Repository: Elytrium/LimboAPI
Branch: master
Commit: 3781544d8578
Files: 178
Total size: 41.0 MB
Directory structure:
gitextract_l5oqe6y4/
├── .github/
│ ├── ISSUE_TEMPLATE/
│ │ ├── bug_report.md
│ │ └── feature_request.md
│ └── workflows/
│ ├── build.yml
│ └── release.yml
├── .gitignore
├── HEADER.txt
├── HEADER_MCPROTOCOLLIB.txt
├── HEADER_MIXED.txt
├── LICENSE
├── README.md
├── VERSION
├── api/
│ ├── HEADER.txt
│ ├── LICENSE
│ ├── build.gradle.kts
│ └── src/
│ └── main/
│ ├── java/
│ │ └── net/
│ │ └── elytrium/
│ │ └── limboapi/
│ │ └── api/
│ │ ├── Limbo.java
│ │ ├── LimboFactory.java
│ │ ├── LimboSessionHandler.java
│ │ ├── chunk/
│ │ │ ├── BlockEntityVersion.java
│ │ │ ├── BuiltInBiome.java
│ │ │ ├── Dimension.java
│ │ │ ├── VirtualBiome.java
│ │ │ ├── VirtualBlock.java
│ │ │ ├── VirtualBlockEntity.java
│ │ │ ├── VirtualChunk.java
│ │ │ ├── VirtualWorld.java
│ │ │ ├── data/
│ │ │ │ ├── BlockSection.java
│ │ │ │ ├── BlockStorage.java
│ │ │ │ ├── ChunkSnapshot.java
│ │ │ │ └── LightSection.java
│ │ │ └── util/
│ │ │ └── CompactStorage.java
│ │ ├── command/
│ │ │ └── LimboCommandMeta.java
│ │ ├── event/
│ │ │ └── LoginLimboRegisterEvent.java
│ │ ├── file/
│ │ │ ├── BuiltInWorldFileType.java
│ │ │ └── WorldFile.java
│ │ ├── material/
│ │ │ ├── Block.java
│ │ │ ├── Item.java
│ │ │ ├── VirtualItem.java
│ │ │ └── WorldVersion.java
│ │ ├── mcprotocollib/
│ │ │ └── NibbleArray3D.java
│ │ ├── player/
│ │ │ ├── GameMode.java
│ │ │ └── LimboPlayer.java
│ │ ├── protocol/
│ │ │ ├── PacketDirection.java
│ │ │ ├── PreparedPacket.java
│ │ │ ├── item/
│ │ │ │ ├── ItemComponent.java
│ │ │ │ └── ItemComponentMap.java
│ │ │ ├── map/
│ │ │ │ └── MapPalette.java
│ │ │ └── packets/
│ │ │ ├── PacketFactory.java
│ │ │ ├── PacketMapping.java
│ │ │ └── data/
│ │ │ ├── AbilityFlags.java
│ │ │ ├── BiomeData.java
│ │ │ ├── MapData.java
│ │ │ └── MapPalette.java
│ │ └── utils/
│ │ ├── EnumUniverse.java
│ │ ├── OverlayMap.java
│ │ └── OverlayVanillaMap.java
│ └── templates/
│ └── net/
│ └── elytrium/
│ └── limboapi/
│ └── BuildConstants.java
├── build.gradle.kts
├── config/
│ ├── checkstyle/
│ │ ├── checkstyle.xml
│ │ └── suppressions.xml
│ └── spotbugs/
│ └── suppressions.xml
├── gradle/
│ ├── libs.versions.toml
│ └── wrapper/
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradle.properties
├── gradlew
├── gradlew.bat
├── plugin/
│ ├── build.gradle
│ ├── mapping/
│ │ ├── fallbackdata.json
│ │ ├── legacy_blockentities_mapping.json
│ │ ├── legacy_blocks_mapping.json
│ │ ├── legacy_data_component_types_mapping.json
│ │ ├── legacy_items_mapping.json
│ │ ├── legacyblockmapping.json
│ │ ├── legacyblocks.json
│ │ └── tag_types.json
│ └── src/
│ └── main/
│ ├── java/
│ │ └── net/
│ │ └── elytrium/
│ │ └── limboapi/
│ │ ├── LimboAPI.java
│ │ ├── Settings.java
│ │ ├── file/
│ │ │ ├── MCEditSchematicFile.java
│ │ │ ├── StructureNbtFile.java
│ │ │ ├── WorldEditSchemFile.java
│ │ │ └── WorldFileTypeRegistry.java
│ │ ├── injection/
│ │ │ ├── disconnect/
│ │ │ │ └── DisconnectListener.java
│ │ │ ├── dummy/
│ │ │ │ ├── ClosedChannel.java
│ │ │ │ ├── ClosedMinecraftConnection.java
│ │ │ │ └── DummyEventPool.java
│ │ │ ├── event/
│ │ │ │ └── EventManagerHook.java
│ │ │ ├── login/
│ │ │ │ ├── LoginListener.java
│ │ │ │ ├── LoginTasksQueue.java
│ │ │ │ └── confirmation/
│ │ │ │ └── LoginConfirmHandler.java
│ │ │ ├── packet/
│ │ │ │ ├── LegacyPlayerListItemHook.java
│ │ │ │ ├── LimboCompressDecoder.java
│ │ │ │ ├── MinecraftDiscardCompressDecoder.java
│ │ │ │ ├── MinecraftLimitedCompressDecoder.java
│ │ │ │ ├── PreparedPacketImpl.java
│ │ │ │ ├── RemovePlayerInfoHook.java
│ │ │ │ ├── ServerLoginSuccessHook.java
│ │ │ │ └── UpsertPlayerInfoHook.java
│ │ │ └── tablist/
│ │ │ ├── RewritingKeyedVelocityTabList.java
│ │ │ ├── RewritingTabList.java
│ │ │ ├── RewritingVelocityTabList.java
│ │ │ └── RewritingVelocityTabListLegacy.java
│ │ ├── material/
│ │ │ └── Biome.java
│ │ ├── mcprotocollib/
│ │ │ ├── BitStorage116.java
│ │ │ └── BitStorage19.java
│ │ ├── protocol/
│ │ │ ├── LimboProtocol.java
│ │ │ ├── data/
│ │ │ │ ├── BiomeStorage118.java
│ │ │ │ ├── BlockStorage17.java
│ │ │ │ ├── BlockStorage19.java
│ │ │ │ └── StorageUtils.java
│ │ │ ├── packets/
│ │ │ │ ├── PacketFactoryImpl.java
│ │ │ │ ├── c2s/
│ │ │ │ │ ├── MoveOnGroundOnlyPacket.java
│ │ │ │ │ ├── MovePacket.java
│ │ │ │ │ ├── MovePositionOnlyPacket.java
│ │ │ │ │ ├── MoveRotationOnlyPacket.java
│ │ │ │ │ ├── PlayerChatSessionPacket.java
│ │ │ │ │ └── TeleportConfirmPacket.java
│ │ │ │ └── s2c/
│ │ │ │ ├── ChangeGameStatePacket.java
│ │ │ │ ├── ChunkDataPacket.java
│ │ │ │ ├── ChunkUnloadPacket.java
│ │ │ │ ├── DefaultSpawnPositionPacket.java
│ │ │ │ ├── MapDataPacket.java
│ │ │ │ ├── PlayerAbilitiesPacket.java
│ │ │ │ ├── PositionRotationPacket.java
│ │ │ │ ├── SetExperiencePacket.java
│ │ │ │ ├── SetSlotPacket.java
│ │ │ │ ├── TimeUpdatePacket.java
│ │ │ │ ├── UpdateTagsPacket.java
│ │ │ │ └── UpdateViewPositionPacket.java
│ │ │ └── util/
│ │ │ └── NetworkSection.java
│ │ ├── server/
│ │ │ ├── CachedPackets.java
│ │ │ ├── LimboImpl.java
│ │ │ ├── LimboPlayerImpl.java
│ │ │ ├── LimboSessionHandlerImpl.java
│ │ │ ├── item/
│ │ │ │ ├── SimpleItemComponentManager.java
│ │ │ │ ├── SimpleItemComponentMap.java
│ │ │ │ └── type/
│ │ │ │ ├── BooleanItemComponent.java
│ │ │ │ ├── ComponentItemComponent.java
│ │ │ │ ├── ComponentsItemComponent.java
│ │ │ │ ├── DyedColorItemComponent.java
│ │ │ │ ├── EmptyItemComponent.java
│ │ │ │ ├── EnchantmentsItemComponent.java
│ │ │ │ ├── GameProfileItemComponent.java
│ │ │ │ ├── IntItemComponent.java
│ │ │ │ ├── StringItemComponent.java
│ │ │ │ ├── StringsItemComponent.java
│ │ │ │ ├── TagItemComponent.java
│ │ │ │ ├── VarIntItemComponent.java
│ │ │ │ └── WriteableItemComponent.java
│ │ │ └── world/
│ │ │ ├── SimpleBlock.java
│ │ │ ├── SimpleBlockEntity.java
│ │ │ ├── SimpleItem.java
│ │ │ ├── SimpleTagManager.java
│ │ │ ├── SimpleWorld.java
│ │ │ └── chunk/
│ │ │ ├── SimpleChunk.java
│ │ │ ├── SimpleChunkSnapshot.java
│ │ │ ├── SimpleLightSection.java
│ │ │ └── SimpleSection.java
│ │ └── utils/
│ │ ├── LambdaUtil.java
│ │ ├── OverlayIntObjectMap.java
│ │ ├── OverlayObject2IntMap.java
│ │ ├── ProtocolTools.java
│ │ ├── ReloadListener.java
│ │ └── SetIsObjectSet.java
│ └── resources/
│ └── mapping/
│ ├── chat_type_1_19.nbt
│ ├── chat_type_1_19_1.nbt
│ ├── colors_main_map
│ ├── colors_minecraft_1_12_map
│ ├── colors_minecraft_1_16_map
│ ├── colors_minecraft_1_17_map
│ ├── colors_minecraft_1_8_map
│ ├── colors_minimum_version_map
│ ├── damage_type_1_19_4.nbt
│ ├── damage_type_1_20.nbt
│ ├── fluids.json
│ ├── legacyitems.json
│ ├── modern_block_id_remap.json
│ └── modern_item_id_remap.json
└── settings.gradle.kts
================================================
FILE CONTENTS
================================================
================================================
FILE: .github/ISSUE_TEMPLATE/bug_report.md
================================================
---
name: Bug Report
about: Report the problem that has occurred in our project.
title: "[BUG] "
labels: bug
assignees: ''
---
**Describe the bug**
A clear and concise description of the bug.
**To Reproduce**
Steps to reproduce the behavior:
1. Set '...' in config to '...'
2. Do in game '....'
3. See error
**Expected behavior**
A clear and concise description of what you expected to happen.
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Server Info (please complete the following information):**
- All Limbo plugins versions:
- [e.g. LimboAPI 1.0.4-SNAPSHOT, downloaded from https://github.com/Elytrium/LimboAPI/actions/runs/xxxxxx]
- [e.g. LimboFilter 1.0.3-rc3, downloaded from https://github.com/Elytrium/LimboAPI/actions/runs/xxxxxx]
- /velocity dump link [e.g. https://dump.velocitypowered.com/abcdef.json]
**Additional context**
Add any other context about the problem here.
================================================
FILE: .github/ISSUE_TEMPLATE/feature_request.md
================================================
---
name: Feature Request
about: Suggest an idea to improve our project.
title: "[ENHANCEMENT] "
labels: enhancement
assignees: ''
---
**Describe the feature you'd like to have implemented**
A clear and concise description of what you want to be added.
**Is your feature request related to an existing problem? Please describe.**
A clear and concise description of what the problem is.
**Additional context**
Add any other context or screenshots about the feature request here.
================================================
FILE: .github/workflows/build.yml
================================================
name: Java CI with Gradle
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
build:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v4.2.2
- name: Set up JDK
uses: actions/setup-java@v4.7.0
with:
distribution: temurin
java-version: 25
- name: Cache generated data
uses: actions/cache@v5.0.4
with:
path: |
plugin/build/minecraft/
plugin/build/generated/minecraft/mapping/
key: minecraft-${{ hashFiles('gradle.properties') }}
- name: Build LimboAPI
run: ./gradlew build
- name: Upload LimboAPI
uses: actions/upload-artifact@v4.6.2
with:
name: LimboAPI
path: "*/build/libs/*.jar"
- uses: dev-drprasad/delete-tag-and-release@v0.2.1
if: ${{ github.event_name == 'push' }}
with:
delete_release: true
tag_name: dev-build
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- name: Find git version
id: git-version
run: echo "id=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
- name: Find correct JAR
if: ${{ github.event_name == 'push' }}
id: find-jar
run: |
output="$(find plugin/build/libs/ ! -name "*-javadoc.jar" ! -name "*-sources.jar" -type f -printf "%f\n")"
echo "::set-output name=jarname::$output"
- name: Release the build
if: ${{ github.event_name == 'push' }}
uses: ncipollo/release-action@v1
with:
artifacts: plugin/build/libs/${{ steps.find-jar.outputs.jarname }}
body: ${{ join(github.event.commits.*.message, '\n') }}
prerelease: true
name: Dev-build ${{ steps.git-version.outputs.id }}
tag: dev-build
- name: Upload to Modrinth
if: ${{ github.event_name == 'push' }}
uses: RubixDev/modrinth-upload@v1.0.0
with:
token: ${{ secrets.MODRINTH_TOKEN }}
file_path: plugin/build/libs/${{ steps.find-jar.outputs.jarname }}
name: Dev-build ${{ steps.git-version.outputs.id }}
version: ${{ steps.git-version.outputs.id }}
changelog: ${{ join(github.event.commits.*.message, '\n') }}
game_versions: 1.7.2
release_type: beta
loaders: velocity
featured: false
project_id: TZOteSf2
================================================
FILE: .github/workflows/release.yml
================================================
name: Java CI with Gradle
on:
release:
types: [published]
jobs:
build:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v4.2.2
- name: Set up JDK
uses: actions/setup-java@v4.7.0
with:
distribution: temurin
java-version: 25
- name: Cache generated data
uses: actions/cache@v5.0.4
with:
path: |
plugin/build/minecraft/
plugin/build/generated/minecraft/mapping/
key: minecraft-${{ hashFiles('gradle.properties') }}
- name: Build LimboAPI
run: ./gradlew build
- name: Upload LimboAPI
uses: actions/upload-artifact@v4.6.2
with:
name: LimboAPI
path: "*/build/libs/*.jar"
- name: Find correct JAR
id: find-jar
run: |
output="$(find plugin/build/libs/ ! -name "*-javadoc.jar" ! -name "*-sources.jar" -type f -printf "%f\n")"
echo "::set-output name=jarname::$output"
- name: Upload to the GitHub release
uses: actions/upload-release-asset@v1
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
with:
upload_url: ${{ github.event.release.upload_url }}
asset_path: plugin/build/libs/${{ steps.find-jar.outputs.jarname }}
asset_name: ${{ steps.find-jar.outputs.jarname }}
asset_content_type: application/java-archive
- name: Upload to Modrinth
uses: RubixDev/modrinth-upload@v1.0.0
with:
token: ${{ secrets.MODRINTH_TOKEN }}
file_path: plugin/build/libs/${{ steps.find-jar.outputs.jarname }}
name: Release ${{ github.event.release.tag_name }}
version: ${{ github.event.release.tag_name }}
changelog: ${{ github.event.release.body }}
game_versions: 1.7.2
release_type: release
loaders: velocity
featured: true
project_id: TZOteSf2
================================================
FILE: .gitignore
================================================
# IntelliJ user-specific stuff
.idea/
*.iml
# Compiled class file
*.class
# Log file
*.log
# Package Files
*.jar
*.zip
*.tar.gz
*.rar
# Virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
*~
# Temporary files which can be created if a process still has a handle open of a deleted file
.fuse_hidden*
# KDE directory preferences
.directory
# Linux trash folder which might appear on any partition or disk
.Trash-*
# .nfs files are created when an open file is removed but is still being accessed
.nfs*
# General
.DS_Store
.AppleDouble
.LSOverride
# Icon must end with two \r
Icon
# Thumbnails
._*
# Files that might appear in the root of a volume
.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns
.com.apple.timemachine.donotpresent
# Directories potentially created on remote AFP share
.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk
# Windows thumbnail cache files
Thumbs.db
Thumbs.db:encryptable
ehthumbs.db
ehthumbs_vista.db
# Dump file
*.stackdump
# Folder config file
[Dd]esktop.ini
# Recycle Bin used on file shares
$RECYCLE.BIN/
# Windows Installer files
*.cab
*.msi
*.msix
*.msm
*.msp
# Windows shortcuts
*.lnk
# Gradle
.gradle
build/
# Gradle Patch
**/build/
# Common working directory
run/
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar
================================================
FILE: HEADER.txt
================================================
Copyright (C) 2021 - 2025 Elytrium
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
================================================
FILE: HEADER_MCPROTOCOLLIB.txt
================================================
This file is part of MCProtocolLib, licensed under the MIT License (MIT).
Copyright (C) 2013-2021 Steveice10
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
OR OTHER DEALINGS IN THE SOFTWARE.
================================================
FILE: HEADER_MIXED.txt
================================================
Copyright (C) 2021 - 2025 Elytrium
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
This file contains some parts of Velocity, licensed under the AGPLv3 License (AGPLv3).
Copyright (C) 2018 Velocity Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
================================================
FILE: LICENSE
================================================
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc.
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
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Copyright (C)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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You should have received a copy of the GNU Affero General Public License
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Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
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solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
.
================================================
FILE: README.md
================================================
# LimboAPI
[](https://ely.su/discord)
[](https://bstats.org/plugin/velocity/LimboAPI/12530)
[](https://bstats.org/plugin/velocity/LimboAPI/12530)
Library for sending players to virtual servers (called limbo) \
[Описание и обсуждение на русском языке (spigotmc.ru)](https://spigotmc.ru/resources/limboapi-limboauth-limbofilter-virtualnye-servera-dlja-velocity.715/) \
[Описание и обсуждение на русском языке (rubukkit.org)](http://rubukkit.org/threads/limboapi-limboauth-limbofilter-virtualnye-servera-dlja-velocity.177904/)
Test server: [``ely.su``](https://hotmc.ru/minecraft-server-203216)
## See also
- [LimboAuth](https://github.com/Elytrium/LimboAuth) - Auth System built in virtual server (Limbo). Uses BCrypt, has TOTP 2FA feature. Supports literally any database due to OrmLite.
- [LimboFilter](https://github.com/Elytrium/LimboFilter) - Most powerful bot filtering solution for Minecraft proxies. Built with LimboAPI.
## Features of LimboAPI
- Send to the Limbo server during login process
- Send to the Limbo server during play process
- Send maps, items to player's virtual inventory
- Display player's XP
- Send Title, Chat, ActionBar
- Load world from world files like .schematic
- and more...
## How to
- Include ``limboapi-api`` to your Maven/Gradle project as compile-only
- Subscribe to ``LoginLimboRegisterEvent`` to send players to the Limbo server during login process
- Use ``LimboFactory`` to send players to the Limbo server during play process
## How to include it
#### Setup your project via adding our maven repository to your pom.xml or build.gradle file.
- Maven:
```xml
elytrium-repo
https://maven.elytrium.net/repo/
net.elytrium.limboapi
api
1.1.26
provided
```
- Gradle:
```groovy
repositories {
maven {
setName("elytrium-repo")
setUrl("https://maven.elytrium.net/repo/")
}
}
dependencies {
compileOnly("net.elytrium.limboapi:api:1.1.26")
}
```
## Used Open Source projects
- [ProtocolSupport](https://github.com/ProtocolSupport/ProtocolSupport) - for modern->legacy block mappings
- [ViaVersion](https://github.com/ViaVersion/ViaVersion) - for modern string->integer block mappings
## Demo
- [LimboAuth](https://github.com/Elytrium/LimboAuth) - The auth plugin, that uses LimboAPI as a dependency at the basic level.
- [LimboFilter](https://github.com/Elytrium/LimboFilter) - The antibot solution, that uses LimboAPI as a dependency, using almost all available API methods, like Low-level Minecraft packet control.
## Donation
Your donations are really appreciated. Donations wallets/links/cards:
- MasterCard Debit Card (Tinkoff Bank): ``5536 9140 0599 1975``
- Qiwi Wallet: ``PFORG`` or [this link](https://my.qiwi.com/form/Petr-YSpyiLt9c6)
- YooMoney Wallet: ``4100 1721 8467 044`` or [this link](https://yoomoney.ru/quickpay/shop-widget?writer=seller&targets=Donation&targets-hint=&default-sum=&button-text=11&payment-type-choice=on&mobile-payment-type-choice=on&hint=&successURL=&quickpay=shop&account=410017218467044)
- Monero (XMR): 86VQyCz68ApebfFgrzRFAuYLdvd3qG8iT9RHcru9moQkJR9W2Q89Gt3ecFQcFu6wncGwGJsMS9E8Bfr9brztBNbX7Q2rfYS
================================================
FILE: VERSION
================================================
1.1.26
================================================
FILE: api/HEADER.txt
================================================
Copyright (C) 2021 - 2025 Elytrium
The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
reference the LICENSE file in the api top-level directory.
================================================
FILE: api/LICENSE
================================================
Copyright 2021 Elytrium
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
================================================
FILE: api/build.gradle.kts
================================================
@file:Suppress("GroovyAssignabilityCheck")
import net.minecraftforge.licenser.LicenseExtension
import net.minecraftforge.licenser.LicenseProperties
import org.gradle.kotlin.dsl.closureOf
plugins {
`java-library`
`maven-publish`
}
tasks.withType {
options.release.set(21)
options.encoding = "UTF-8"
}
dependencies {
compileOnly(libs.minecraft.velocity.api)
api(libs.elytrium.commons.config)
api(libs.elytrium.commons.utils)
api(libs.elytrium.commons.velocity)
api(libs.elytrium.commons.kyori)
api(libs.minecraft.adventure.nbt)
compileOnly(libs.tool.spotbugs.annotations)
}
extensions.configure {
matching(
"**/mcprotocollib/**",
closureOf {
setHeader(rootProject.file("HEADER_MCPROTOCOLLIB.txt"))
}
)
setHeader(file("HEADER.txt"))
}
tasks.named("javadoc") {
options.encoding = "UTF-8"
(options as? StandardJavadocDocletOptions)?.apply {
source = "21"
links("https://docs.oracle.com/en/java/javase/11/docs/api/")
addStringOption("Xdoclint:none", "-quiet")
if (JavaVersion.current() >= JavaVersion.VERSION_1_9 && JavaVersion.current() < JavaVersion.VERSION_12) {
addBooleanOption("-no-module-directories", true)
}
}
}
val sourcesJar by tasks.registering(Jar::class) {
archiveClassifier.set("sources")
from(sourceSets.main.get().allSource)
}
val javadocJar by tasks.registering(Jar::class) {
archiveClassifier.set("javadoc")
from(tasks.javadoc)
}
publishing {
repositories {
maven {
credentials {
username = System.getenv("ELYTRIUM_MAVEN_USERNAME")
password = System.getenv("ELYTRIUM_MAVEN_PASSWORD")
}
name = "elytrium-repo"
url = uri("https://maven.elytrium.net/repo/")
}
}
publications.create("publication") {
from(components["java"])
artifact(javadocJar)
artifact(sourcesJar)
}
}
artifacts {
archives(javadocJar)
archives(sourcesJar)
}
@Suppress("UNCHECKED_CAST")
val getCurrentShortRevision = rootProject.extra["getCurrentShortRevision"] as () -> String
val versionStringProvider = provider {
if (version.toString().contains("-")) {
"${version} (git-${getCurrentShortRevision()})"
} else {
version.toString()
}
}
val copyTask by tasks.register("generateTemplates") {
val versionString = versionStringProvider.get()
inputs.property("version", versionString)
from(file("src/main/templates"))
into(layout.buildDirectory.dir("generated/sources/templates"))
expand("version" to versionString)
}
sourceSets.main.configure {
java.srcDir(copyTask.outputs)
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/Limbo.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api;
import com.velocitypowered.api.command.Command;
import com.velocitypowered.api.command.CommandMeta;
import com.velocitypowered.api.proxy.Player;
import java.util.function.Supplier;
import net.elytrium.limboapi.api.command.LimboCommandMeta;
import net.elytrium.limboapi.api.player.GameMode;
import net.elytrium.limboapi.api.protocol.PacketDirection;
import net.elytrium.limboapi.api.protocol.packets.PacketMapping;
public interface Limbo {
void spawnPlayer(Player player, LimboSessionHandler handler);
void respawnPlayer(Player player);
long getCurrentOnline();
Limbo setName(String name);
Limbo setReadTimeout(int millis);
Limbo setWorldTime(long ticks);
Limbo setGameMode(GameMode gameMode);
Limbo setShouldRejoin(boolean shouldRejoin);
Limbo setShouldRespawn(boolean shouldRespawn);
@Deprecated
Limbo setShouldUpdateTags(boolean shouldUpdateTags);
Limbo setReducedDebugInfo(boolean reducedDebugInfo);
Limbo setViewDistance(int viewDistance);
Limbo setSimulationDistance(int simulationDistance);
Limbo setMaxSuppressPacketLength(int maxSuppressPacketLength);
Limbo registerCommand(LimboCommandMeta commandMeta);
Limbo registerCommand(CommandMeta commandMeta, Command command);
Limbo registerPacket(PacketDirection direction, Class packetClass, Supplier packetSupplier, PacketMapping[] packetMappings);
void dispose();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/LimboFactory.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api;
import com.velocitypowered.api.network.ProtocolVersion;
import com.velocitypowered.api.proxy.Player;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Path;
import java.util.Map;
import net.elytrium.limboapi.api.chunk.BuiltInBiome;
import net.elytrium.limboapi.api.chunk.Dimension;
import net.elytrium.limboapi.api.chunk.VirtualBiome;
import net.elytrium.limboapi.api.chunk.VirtualBlock;
import net.elytrium.limboapi.api.chunk.VirtualBlockEntity;
import net.elytrium.limboapi.api.chunk.VirtualChunk;
import net.elytrium.limboapi.api.chunk.VirtualWorld;
import net.elytrium.limboapi.api.file.BuiltInWorldFileType;
import net.elytrium.limboapi.api.file.WorldFile;
import net.elytrium.limboapi.api.material.Block;
import net.elytrium.limboapi.api.material.Item;
import net.elytrium.limboapi.api.material.VirtualItem;
import net.elytrium.limboapi.api.protocol.PreparedPacket;
import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
import net.elytrium.limboapi.api.protocol.packets.PacketFactory;
import net.kyori.adventure.nbt.CompoundBinaryTag;
public interface LimboFactory {
/**
* Creates new virtual block from Block enum.
*
* @param block Block from Block enum.
*
* @return new virtual block.
*/
VirtualBlock createSimpleBlock(Block block);
/**
* Creates new virtual block from id and data.
*
* @param legacyID Legacy block id. (1.12.2 and lower)
*
* @return new virtual block.
*/
VirtualBlock createSimpleBlock(short legacyID);
/**
* Creates new virtual block from id and data.
*
* @param modernID Modern block id.
*
* @return new virtual block.
*/
VirtualBlock createSimpleBlock(String modernID);
/**
* Creates new virtual block from id and data.
*
* @param modernID Modern block id.
* @param properties Modern properties like {"waterlogged": "true"}.
*
* @return new virtual block.
*/
VirtualBlock createSimpleBlock(String modernID, Map properties);
/**
* Creates new virtual block from id and data.
*
* @param legacyID Block id.
* @param modern Use the latest supported version ids or 1.12.2 and lower.
*
* @return new virtual block.
*/
VirtualBlock createSimpleBlock(short legacyID, boolean modern);
/**
* Creates new virtual customizable block.
*
* @param solid Defines if the block is solid or not.
* @param air Defines if the block is the air.
* @param motionBlocking Defines if the block blocks motions. (1.14+)
* @param id Block protocol id.
*
* @return new virtual block.
*/
VirtualBlock createSimpleBlock(boolean solid, boolean air, boolean motionBlocking, short id);
/**
* Creates new virtual customizable block.
*
* @param solid Defines if the block is solid or not.
* @param air Defines if the block is the air.
* @param motionBlocking Defines if the block blocks motions. (1.14+)
* @param modernID Block id.
* @param properties Modern properties like {"waterlogged": "true"}.
*
* @return new virtual block.
*/
VirtualBlock createSimpleBlock(boolean solid, boolean air, boolean motionBlocking, String modernID, Map properties);
/**
* Creates new virtual world.
*
* @param dimension World dimension.
* @param posX Spawn location. (X)
* @param posY Spawn location. (Y)
* @param posZ Spawn location. (Z)
* @param yaw Spawn rotation. (Yaw)
* @param pitch Spawn rotation. (Pitch)
*
* @return new virtual world.
*/
VirtualWorld createVirtualWorld(Dimension dimension, double posX, double posY, double posZ, float yaw, float pitch);
/**
* Creates new virtual chunk with plain biomes set as default.
* You need to provide the chunk location, you can get it using {@code blockCoordinate >> 4}.
*
* @param posX Chunk location. (X)
* @param posZ Chunk location. (Z)
*
* @return new virtual chunk.
*/
@Deprecated
VirtualChunk createVirtualChunk(int posX, int posZ);
/**
* Creates new virtual chunk.
* You need to provide the chunk location, you can get it using {@code blockCoordinate >> 4}.
*
* @param posX Chunk location. (X)
* @param posZ Chunk location. (Z)
* @param defaultBiome Default biome to fill it.
*
* @return new virtual chunk.
*/
VirtualChunk createVirtualChunk(int posX, int posZ, VirtualBiome defaultBiome);
/**
* Creates new virtual chunk.
* You need to provide the chunk location, you can get it using ({@code block_coordinate >> 4})
*
* @param posX Chunk location. (X)
* @param posZ Chunk location. (Z)
* @param defaultBiome Default biome to fill it.
*
* @return new virtual chunk.
*/
VirtualChunk createVirtualChunk(int posX, int posZ, BuiltInBiome defaultBiome);
/**
* Creates new virtual server.
*
* @param world Virtual world.
*
* @return new virtual server.
*/
Limbo createLimbo(VirtualWorld world);
/**
* Releases a thread after PreparedPacket#build executions.
* Used to free compression libraries.
*/
void releasePreparedPacketThread(Thread thread);
/**
* Creates new prepared packet builder.
*
* @return new prepared packet.
*/
PreparedPacket createPreparedPacket();
/**
* Creates new prepared packet builder.
*
* @param minVersion Minimum version to prepare.
* @param maxVersion Maximum version to prepare.
*
* @return new prepared packet.
*/
PreparedPacket createPreparedPacket(ProtocolVersion minVersion, ProtocolVersion maxVersion);
/**
* Creates new prepared packet builder for the CONFIG state.
*
* @return new prepared packet.
*/
PreparedPacket createConfigPreparedPacket();
/**
* Creates new prepared packet builder for the CONFIG state.
*
* @param minVersion Minimum version to prepare.
* @param maxVersion Maximum version to prepare.
*
* @return new prepared packet.
*/
PreparedPacket createConfigPreparedPacket(ProtocolVersion minVersion, ProtocolVersion maxVersion);
/**
* Pass the player to the next Login Limbo, without spawning at current Limbo.
*
* @param player Player to pass.
*/
void passLoginLimbo(Player player);
/**
* Creates new virtual item from Item enum.
*
* @param item Item from item enum.
*
* @return new virtual item.
*/
VirtualItem getItem(Item item);
/**
* Creates new virtual item from Item enum.
*
* @param itemID Modern item identifier.
*
* @return new virtual item.
*/
VirtualItem getItem(String itemID);
/**
* Creates new virtual item from Item enum.
*
* @param itemLegacyID Legacy item ID
*
* @return new virtual item.
*/
VirtualItem getLegacyItem(int itemLegacyID);
/**
* Creates new item component map.
*
* @return new item component map
*/
ItemComponentMap createItemComponentMap();
VirtualBlockEntity getBlockEntity(String entityID);
/**
* A factory to instantiate Minecraft packet objects.
*/
PacketFactory getPacketFactory();
ProtocolVersion getPrepareMinVersion();
ProtocolVersion getPrepareMaxVersion();
/**
* Opens world file (a.k.a. schematic file)
*
* @param apiType World file type
* @param file World file
* @return Ready to use WorldFile
*/
WorldFile openWorldFile(BuiltInWorldFileType apiType, Path file) throws IOException;
/**
* Opens world file (a.k.a. schematic file)
*
* @param apiType World file type
* @param stream World file stream
* @return Ready to use WorldFile
*/
WorldFile openWorldFile(BuiltInWorldFileType apiType, InputStream stream) throws IOException;
/**
* Opens world file (a.k.a. schematic file)
*
* @param apiType World file type
* @param tag World file NBT tag
* @return Ready to use WorldFile
*/
WorldFile openWorldFile(BuiltInWorldFileType apiType, CompoundBinaryTag tag);
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/LimboSessionHandler.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api;
import net.elytrium.limboapi.api.player.LimboPlayer;
public interface LimboSessionHandler {
default void onSpawn(Limbo server, LimboPlayer player) {
}
default void onConfig(Limbo server, LimboPlayer player) {
}
default void onMove(double posX, double posY, double posZ) {
}
default void onMove(double posX, double posY, double posZ, float yaw, float pitch) {
}
default void onRotate(float yaw, float pitch) {
}
default void onGround(boolean onGround) {
}
default void onTeleport(int teleportID) {
}
default void onChat(String chat) {
}
/**
* @param packet Any velocity built-in packet or any packet registered via {@link Limbo#registerPacket}.
*/
default void onGeneric(Object packet) {
}
default void onDisconnect() {
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/BlockEntityVersion.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
import com.velocitypowered.api.network.ProtocolVersion;
import java.util.Arrays;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.Map;
import java.util.Set;
import net.elytrium.limboapi.api.utils.EnumUniverse;
public enum BlockEntityVersion {
LEGACY(EnumSet.range(ProtocolVersion.MINECRAFT_1_7_2, ProtocolVersion.MINECRAFT_1_18_2)),
MINECRAFT_1_19(EnumSet.of(ProtocolVersion.MINECRAFT_1_19)),
MINECRAFT_1_19_1(EnumSet.of(ProtocolVersion.MINECRAFT_1_19_1)),
MINECRAFT_1_19_3(EnumSet.of(ProtocolVersion.MINECRAFT_1_19_3)),
MINECRAFT_1_19_4(EnumSet.of(ProtocolVersion.MINECRAFT_1_19_4)),
MINECRAFT_1_20(EnumSet.of(ProtocolVersion.MINECRAFT_1_20)),
MINECRAFT_1_20_2(EnumSet.of(ProtocolVersion.MINECRAFT_1_20_2)),
MINECRAFT_1_20_3(EnumSet.of(ProtocolVersion.MINECRAFT_1_20_3)),
MINECRAFT_1_20_5(EnumSet.of(ProtocolVersion.MINECRAFT_1_20_5)),
MINECRAFT_1_21(EnumSet.of(ProtocolVersion.MINECRAFT_1_21)),
MINECRAFT_1_21_2(EnumSet.of(ProtocolVersion.MINECRAFT_1_21_2)),
MINECRAFT_1_21_4(EnumSet.of(ProtocolVersion.MINECRAFT_1_21_4)),
MINECRAFT_1_21_5(EnumSet.of(ProtocolVersion.MINECRAFT_1_21_5)),
MINECRAFT_1_21_6(EnumSet.of(ProtocolVersion.MINECRAFT_1_21_6)),
MINECRAFT_1_21_7(EnumSet.of(ProtocolVersion.MINECRAFT_1_21_7)),
MINECRAFT_1_21_9(EnumSet.of(ProtocolVersion.MINECRAFT_1_21_9)),
MINECRAFT_1_21_11(EnumSet.of(ProtocolVersion.MINECRAFT_1_21_11)),
MINECRAFT_26_1(EnumSet.of(ProtocolVersion.MINECRAFT_26_1));
private static final EnumMap MC_VERSION_TO_ITEM_VERSIONS = new EnumMap<>(ProtocolVersion.class);
private static final Map KEY_LOOKUP = Map.copyOf(EnumUniverse.createProtocolLookup(values()));
private final Set versions;
BlockEntityVersion(ProtocolVersion... versions) {
this.versions = EnumSet.copyOf(Arrays.asList(versions));
}
BlockEntityVersion(Set versions) {
this.versions = versions;
}
public ProtocolVersion getMinSupportedVersion() {
return this.versions.iterator().next();
}
public Set getVersions() {
return this.versions;
}
static {
for (BlockEntityVersion version : BlockEntityVersion.values()) {
for (ProtocolVersion protocolVersion : version.getVersions()) {
MC_VERSION_TO_ITEM_VERSIONS.put(protocolVersion, version);
}
}
}
public static BlockEntityVersion parse(String from) {
return KEY_LOOKUP.getOrDefault(from, LEGACY);
}
public static BlockEntityVersion from(ProtocolVersion protocolVersion) {
return MC_VERSION_TO_ITEM_VERSIONS.get(protocolVersion);
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/BuiltInBiome.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
public enum BuiltInBiome {
PLAINS,
SWAMP,
SWAMP_HILLS,
NETHER_WASTES,
THE_END
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/Dimension.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
public enum Dimension {
OVERWORLD("minecraft:overworld", 0, 0, 28, true, BuiltInBiome.PLAINS), // (384 + 64) / 16
NETHER("minecraft:the_nether", -1, 1, 16, false, BuiltInBiome.NETHER_WASTES), // 256 / 16
THE_END("minecraft:the_end", 1, 2, 16, false, BuiltInBiome.THE_END); // 256 / 16
private final String key;
private final int legacyID;
private final int modernID;
private final int maxSections;
private final boolean hasLegacySkyLight;
private final BuiltInBiome defaultBiome;
Dimension(String key, int legacyID, int modernID, int maxSections, boolean hasLegacySkyLight, BuiltInBiome defaultBiome) {
this.key = key;
this.legacyID = legacyID;
this.modernID = modernID;
this.maxSections = maxSections;
this.hasLegacySkyLight = hasLegacySkyLight;
this.defaultBiome = defaultBiome;
}
public String getKey() {
return this.key;
}
public int getLegacyID() {
return this.legacyID;
}
public int getModernID() {
return this.modernID;
}
public int getMaxSections() {
return this.maxSections;
}
public boolean hasLegacySkyLight() {
return this.hasLegacySkyLight;
}
public BuiltInBiome getDefaultBiome() {
return this.defaultBiome;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/VirtualBiome.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
public interface VirtualBiome {
String getName();
int getID();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/VirtualBlock.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
import com.velocitypowered.api.network.ProtocolVersion;
import net.elytrium.limboapi.api.material.WorldVersion;
public interface VirtualBlock {
short getModernID();
String getModernStringID();
@Deprecated
short getID(ProtocolVersion version);
short getBlockID(WorldVersion version);
short getBlockID(ProtocolVersion version);
boolean isSupportedOn(ProtocolVersion version);
boolean isSupportedOn(WorldVersion version);
short getBlockStateID(ProtocolVersion version);
boolean isSolid();
boolean isAir();
boolean isMotionBlocking();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/VirtualBlockEntity.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
import com.velocitypowered.api.network.ProtocolVersion;
import net.kyori.adventure.nbt.CompoundBinaryTag;
public interface VirtualBlockEntity {
int getID(ProtocolVersion version);
int getID(BlockEntityVersion version);
boolean isSupportedOn(ProtocolVersion version);
boolean isSupportedOn(BlockEntityVersion version);
String getModernID();
Entry getEntry(int posX, int posY, int posZ, CompoundBinaryTag nbt);
interface Entry {
VirtualBlockEntity getBlockEntity();
int getPosX();
int getPosY();
int getPosZ();
CompoundBinaryTag getNbt();
int getID(ProtocolVersion version);
int getID(BlockEntityVersion version);
boolean isSupportedOn(ProtocolVersion version);
boolean isSupportedOn(BlockEntityVersion version);
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/VirtualChunk.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
import net.elytrium.limboapi.api.chunk.data.ChunkSnapshot;
import net.kyori.adventure.nbt.CompoundBinaryTag;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.checkerframework.common.value.qual.IntRange;
public interface VirtualChunk {
void setBlock(int posX, int posY, int posZ, @Nullable VirtualBlock block);
void setBlockEntity(int posX, int posY, int posZ, @Nullable CompoundBinaryTag nbt, @Nullable VirtualBlockEntity blockEntity);
void setBlockEntity(VirtualBlockEntity.Entry blockEntityEntry);
@NonNull
VirtualBlock getBlock(int posX, int posY, int posZ);
void setBiome2D(int posX, int posZ, @NonNull VirtualBiome biome);
void setBiome3D(int posX, int posY, int posZ, @NonNull VirtualBiome biome);
@NonNull
VirtualBiome getBiome(int posX, int posY, int posZ);
void setBlockLight(int posX, int posY, int posZ, byte light);
byte getBlockLight(int posX, int posY, int posZ);
void setSkyLight(int posX, int posY, int posZ, byte light);
byte getSkyLight(int posX, int posY, int posZ);
void fillBlockLight(@IntRange(from = 0, to = 15) int level);
void fillSkyLight(@IntRange(from = 0, to = 15) int level);
int getPosX();
int getPosZ();
ChunkSnapshot getFullChunkSnapshot();
ChunkSnapshot getPartialChunkSnapshot(long previousUpdate);
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/VirtualWorld.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk;
import java.util.List;
import net.kyori.adventure.nbt.CompoundBinaryTag;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.checkerframework.common.value.qual.IntRange;
public interface VirtualWorld {
void setBlockEntity(int posX, int posY, int posZ, @Nullable CompoundBinaryTag nbt, @Nullable VirtualBlockEntity blockEntity);
@NonNull
VirtualBlock getBlock(int posX, int posY, int posZ);
void setBiome2d(int posX, int posZ, @NonNull VirtualBiome biome);
void setBiome3d(int posX, int posY, int posZ, @NonNull VirtualBiome biome);
VirtualBiome getBiome(int posX, int posY, int posZ);
byte getBlockLight(int posX, int posY, int posZ);
void setBlockLight(int posX, int posY, int posZ, byte light);
void fillBlockLight(@IntRange(from = 0, to = 15) int level);
void fillSkyLight(@IntRange(from = 0, to = 15) int level);
List getChunks();
List> getOrderedChunks();
@Nullable
VirtualChunk getChunk(int posX, int posZ);
VirtualChunk getChunkOrNew(int posX, int posZ);
@NonNull
Dimension getDimension();
double getSpawnX();
double getSpawnY();
double getSpawnZ();
float getYaw();
float getPitch();
void setBlock(int posX, int posY, int posZ, @Nullable VirtualBlock block);
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/data/BlockSection.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk.data;
import net.elytrium.limboapi.api.chunk.VirtualBlock;
import org.checkerframework.checker.nullness.qual.Nullable;
public interface BlockSection {
void setBlockAt(int posX, int posY, int posZ, @Nullable VirtualBlock block);
VirtualBlock getBlockAt(int posX, int posY, int posZ);
BlockSection getSnapshot();
long getLastUpdate();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/data/BlockStorage.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk.data;
import com.velocitypowered.api.network.ProtocolVersion;
import net.elytrium.limboapi.api.chunk.VirtualBlock;
import org.checkerframework.checker.nullness.qual.NonNull;
public interface BlockStorage {
void write(Object byteBufObject, ProtocolVersion version, int pass);
void set(int posX, int posY, int posZ, @NonNull VirtualBlock block);
@NonNull
VirtualBlock get(int posX, int posY, int posZ);
int getDataLength(ProtocolVersion version);
BlockStorage copy();
static int index(int posX, int posY, int posZ) {
return posY << 8 | posZ << 4 | posX;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/data/ChunkSnapshot.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk.data;
import java.util.List;
import net.elytrium.limboapi.api.chunk.VirtualBiome;
import net.elytrium.limboapi.api.chunk.VirtualBlock;
import net.elytrium.limboapi.api.chunk.VirtualBlockEntity;
public interface ChunkSnapshot {
VirtualBlock getBlock(int posX, int posY, int posZ);
int getPosX();
int getPosZ();
boolean isFullChunk();
BlockSection[] getSections();
LightSection[] getLight();
VirtualBiome[] getBiomes();
List getBlockEntityEntries();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/data/LightSection.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk.data;
import net.elytrium.limboapi.api.mcprotocollib.NibbleArray3D;
public interface LightSection {
void setBlockLight(int posX, int posY, int posZ, byte light);
NibbleArray3D getBlockLight();
byte getBlockLight(int posX, int posY, int posZ);
void setSkyLight(int posX, int posY, int posZ, byte light);
NibbleArray3D getSkyLight();
byte getSkyLight(int posX, int posY, int posZ);
long getLastUpdate();
LightSection copy();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/chunk/util/CompactStorage.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.chunk.util;
import com.velocitypowered.api.network.ProtocolVersion;
public interface CompactStorage {
void set(int index, int value);
int get(int index);
void write(Object byteBufObject, ProtocolVersion version);
int getBitsPerEntry();
@Deprecated(forRemoval = true)
default int getDataLength() {
return this.getDataLength(ProtocolVersion.MINIMUM_VERSION);
}
int getDataLength(ProtocolVersion version);
long[] getData();
CompactStorage copy();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/command/LimboCommandMeta.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.command;
import com.google.common.collect.ImmutableList;
import com.mojang.brigadier.tree.CommandNode;
import com.velocitypowered.api.command.CommandMeta;
import com.velocitypowered.api.command.CommandSource;
import java.util.Collection;
import java.util.Objects;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
public class LimboCommandMeta implements CommandMeta {
@NonNull
private final Collection aliases;
@NonNull
private final Collection> hints;
@Nullable // Why?..
private final Object plugin;
public LimboCommandMeta(@NonNull Collection aliases) {
this(aliases, null, null);
}
public LimboCommandMeta(@NonNull Collection aliases, @Nullable Collection> hints) {
this(aliases, hints, null);
}
public LimboCommandMeta(@NonNull Collection aliases, @Nullable Collection> hints, @Nullable Object plugin) {
this.aliases = aliases;
this.hints = Objects.requireNonNullElse(hints, ImmutableList.of());
this.plugin = plugin;
}
@NonNull
@Override
public Collection getAliases() {
return this.aliases;
}
@NonNull
@Override
public Collection> getHints() {
return this.hints;
}
@Nullable
@Override
public Object getPlugin() {
return this.plugin;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/event/LoginLimboRegisterEvent.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.event;
import com.google.common.base.Preconditions;
import com.velocitypowered.api.event.player.KickedFromServerEvent;
import com.velocitypowered.api.proxy.Player;
import java.util.Queue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.function.Function;
/**
* This event is fired during login process before the player has been authenticated, e.g. to enable or disable custom authentication.
*/
public class LoginLimboRegisterEvent {
private final Player player;
private final Queue onJoinCallbacks;
private Function onKickCallback;
public LoginLimboRegisterEvent(Player player) {
this.player = Preconditions.checkNotNull(player, "player");
this.onJoinCallbacks = new LinkedBlockingQueue<>();
}
public Player getPlayer() {
return this.player;
}
@Override
public String toString() {
return "LoginLimboRegisterEvent{"
+ "player=" + this.player
+ "}";
}
public Queue getOnJoinCallbacks() {
return this.onJoinCallbacks;
}
public Function getOnKickCallback() {
return this.onKickCallback;
}
public void addOnJoinCallback(Runnable callback) {
this.onJoinCallbacks.add(callback);
}
/**
* @deprecated Use {@link LoginLimboRegisterEvent#addOnJoinCallback(Runnable)} instead
*/
@Deprecated
public void addCallback(Runnable callback) {
this.onJoinCallbacks.add(callback);
}
public void setOnKickCallback(Function callback) {
this.onKickCallback = callback;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/file/BuiltInWorldFileType.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.file;
public enum BuiltInWorldFileType {
SCHEMATIC,
WORLDEDIT_SCHEM,
STRUCTURE
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/file/WorldFile.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.file;
import net.elytrium.limboapi.api.LimboFactory;
import net.elytrium.limboapi.api.chunk.VirtualWorld;
import org.checkerframework.common.value.qual.IntRange;
public interface WorldFile {
default void toWorld(LimboFactory factory, VirtualWorld world, int offsetX, int offsetY, int offsetZ) {
this.toWorld(factory, world, offsetX, offsetY, offsetZ, 15);
}
void toWorld(LimboFactory factory, VirtualWorld world, int offsetX, int offsetY, int offsetZ, @IntRange(from = 0, to = 15) int lightLevel);
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/material/Block.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.material;
public enum Block {
AIR(0),
STONE(1),
GRASS(2),
DIRT(3),
COBBLESTONE(4),
PLANKS(5),
SAPLING(6),
BEDROCK(7),
FLOWING_WATER(8),
WATER(9),
FLOWING_LAVA(10),
LAVA(11),
SAND(12),
GRAVEL(13),
GOLD_ORE(14),
IRON_ORE(15),
COAL_ORE(16),
LOG(17),
LEAVES(18),
SPONGE(19),
GLASS(20),
LAPIS_ORE(21),
LAPIS_BLOCK(22),
DISPENSER(23),
SANDSTONE(24),
NOTEBLOCK(25),
BED(26),
GOLDEN_RAIL(27),
DETECTOR_RAIL(28),
STICKY_PISTON(29),
WEB(30),
TALLGRASS(31),
DEADBUSH(32),
PISTON(33),
PISTON_HEAD(34),
WOOL(35),
PISTON_EXTENSION(36),
YELLOW_FLOWER(37),
RED_FLOWER(38),
BROWN_MUSHROOM(39),
RED_MUSHROOM(40),
GOLD_BLOCK(41),
IRON_BLOCK(42),
DOUBLE_STONE_SLAB(43),
STONE_SLAB(44),
BRICK_BLOCK(45),
TNT(46),
BOOKSHELF(47),
MOSSY_COBBLESTONE(48),
OBSIDIAN(49),
TORCH(50),
FIRE(51),
MOB_SPAWNER(52),
OAK_STAIRS(53),
CHEST(54),
REDSTONE_WIRE(55),
DIAMOND_ORE(56),
DIAMOND_BLOCK(57),
CRAFTING_TABLE(58),
WHEAT(59),
FARMLAND(60),
FURNACE(61),
LIT_FURNACE(62),
STANDING_SIGN(63),
WOODEN_DOOR(64),
LADDER(65),
RAIL(66),
STONE_STAIRS(67),
WALL_SIGN(68),
LEVER(69),
STONE_PRESSURE_PLATE(70),
IRON_DOOR(71),
WOODEN_PRESSURE_PLATE(72),
REDSTONE_ORE(73),
LIT_REDSTONE_ORE(74),
UNLIT_REDSTONE_TORCH(75),
REDSTONE_TORCH(76),
STONE_BUTTON(77),
SNOW_LAYER(78),
ICE(79),
SNOW(80),
CACTUS(81),
CLAY(82),
REEDS(83),
JUKEBOX(84),
FENCE(85),
PUMPKIN(86),
NETHERRACK(87),
SOUL_SAND(88),
GLOWSTONE(89),
PORTAL(90),
LIT_PUMPKIN(91),
CAKE(92),
UNPOWERED_REPEATER(93),
POWERED_REPEATER(94),
STAINED_GLASS(95),
TRAPDOOR(96),
MONSTER_EGG(97),
STONEBRICK(98),
BROWN_MUSHROOM_BLOCK(99),
RED_MUSHROOM_BLOCK(100),
IRON_BARS(101),
GLASS_PANE(102),
MELON_BLOCK(103),
PUMPKIN_STEM(104),
MELON_STEM(105),
VINE(106),
FENCE_GATE(107),
BRICK_STAIRS(108),
STONE_BRICK_STAIRS(109),
MYCELIUM(110),
WATERLILY(111),
NETHER_BRICK(112),
NETHER_BRICK_FENCE(113),
NETHER_BRICK_STAIRS(114),
NETHER_WART(115),
ENCHANTING_TABLE(116),
BREWING_STAND(117),
CAULDRON(118),
END_PORTAL(119),
END_PORTAL_FRAME(120),
END_STONE(121),
DRAGON_EGG(122),
REDSTONE_LAMP(123),
LIT_REDSTONE_LAMP(124),
DOUBLE_WOODEN_SLAB(125),
WOODEN_SLAB(126),
COCOA(127),
SANDSTONE_STAIRS(128),
EMERALD_ORE(129),
ENDER_CHEST(130),
TRIPWIRE_HOOK(131),
TRIPWIRE(132),
EMERALD_BLOCK(133),
SPRUCE_STAIRS(134),
BIRCH_STAIRS(135),
JUNGLE_STAIRS(136),
COMMAND_BLOCK(137),
BEACON(138),
COBBLESTONE_WALL(139),
FLOWER_POT(140),
CARROTS(141),
POTATOES(142),
WOODEN_BUTTON(143),
SKULL(144),
ANVIL(145),
TRAPPED_CHEST(146),
LIGHT_WEIGHTED_PRESSURE_PLATE(147),
HEAVY_WEIGHTED_PRESSURE_PLATE(148),
UNPOWERED_COMPARATOR(149),
POWERED_COMPARATOR(150),
DAYLIGHT_DETECTOR(151),
REDSTONE_BLOCK(152),
QUARTZ_ORE(153),
HOPPER(154),
QUARTZ_BLOCK(155),
QUARTZ_STAIRS(156),
ACTIVATOR_RAIL(157),
DROPPER(158),
STAINED_HARDENED_CLAY(159),
STAINED_GLASS_PANE(160),
LEAVES2(161),
LOG2(162),
ACACIA_STAIRS(163),
DARK_OAK_STAIRS(164),
SLIME(165),
BARRIER(166),
IRON_TRAPDOOR(167),
PRISMARINE(168),
SEA_LANTERN(169),
HAY_BLOCK(170),
CARPET(171),
HARDENED_CLAY(172),
COAL_BLOCK(173),
PACKED_ICE(174),
DOUBLE_PLANT(175),
STANDING_BANNER(176),
WALL_BANNER(177),
DAYLIGHT_DETECTOR_INVERTED(178),
RED_SANDSTONE(179),
RED_SANDSTONE_STAIRS(180),
DOUBLE_STONE_SLAB2(181),
STONE_SLAB2(182),
SPRUCE_FENCE_GATE(183),
BIRCH_FENCE_GATE(184),
JUNGLE_FENCE_GATE(185),
DARK_OAK_FENCE_GATE(186),
ACACIA_FENCE_GATE(187),
SPRUCE_FENCE(188),
BIRCH_FENCE(189),
JUNGLE_FENCE(190),
DARK_OAK_FENCE(191),
ACACIA_FENCE(192),
SPRUCE_DOOR(193),
BIRCH_DOOR(194),
JUNGLE_DOOR(195),
ACACIA_DOOR(196),
DARK_OAK_DOOR(197),
END_ROD(198),
CHORUS_PLANT(199),
CHORUS_FLOWER(200),
PURPUR_BLOCK(201),
PURPUR_PILLAR(202),
PURPUR_STAIRS(203),
PURPUR_DOUBLE_SLAB(204),
PURPUR_SLAB(205),
END_BRICKS(206),
BEETROOTS(207),
GRASS_PATH(208),
END_GATEWAY(209),
REPEATING_COMMAND_BLOCK(210),
CHAIN_COMMAND_BLOCK(211),
FROSTED_ICE(212),
MAGMA(213),
NETHER_WART_BLOCK(214),
RED_NETHER_BRICK(215),
BONE_BLOCK(216),
STRUCTURE_VOID(217),
OBSERVER(218),
WHITE_SHULKER_BOX(219),
ORANGE_SHULKER_BOX(220),
MAGENTA_SHULKER_BOX(221),
LIGHT_BLUE_SHULKER_BOX(222),
YELLOW_SHULKER_BOX(223),
LIME_SHULKER_BOX(224),
PINK_SHULKER_BOX(225),
GRAY_SHULKER_BOX(226),
SILVER_SHULKER_BOX(227),
CYAN_SHULKER_BOX(228),
PURPLE_SHULKER_BOX(229),
BLUE_SHULKER_BOX(230),
BROWN_SHULKER_BOX(231),
GREEN_SHULKER_BOX(232),
RED_SHULKER_BOX(233),
BLACK_SHULKER_BOX(234),
WHITE_GLAZED_TERRACOTTA(235),
ORANGE_GLAZED_TERRACOTTA(236),
MAGENTA_GLAZED_TERRACOTTA(237),
LIGHT_BLUE_GLAZED_TERRACOTTA(238),
YELLOW_GLAZED_TERRACOTTA(239),
LIME_GLAZED_TERRACOTTA(240),
PINK_GLAZED_TERRACOTTA(241),
GRAY_GLAZED_TERRACOTTA(242),
SILVER_GLAZED_TERRACOTTA(243),
CYAN_GLAZED_TERRACOTTA(244),
PURPLE_GLAZED_TERRACOTTA(245),
BLUE_GLAZED_TERRACOTTA(246),
BROWN_GLAZED_TERRACOTTA(247),
GREEN_GLAZED_TERRACOTTA(248),
RED_GLAZED_TERRACOTTA(249),
BLACK_GLAZED_TERRACOTTA(250),
CONCRETE(251),
CONCRETE_POWDER(252),
STRUCTURE_BLOCK(255);
private final int id;
Block(int id) {
this.id = id;
}
public int getID() {
return this.id;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/material/Item.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.material;
public enum Item {
AIR(0),
STONE(1),
GRASS(2),
DIRT(3),
COBBLESTONE(4),
PLANKS(5),
SAPLING(6),
BEDROCK(7),
SAND(12),
GRAVEL(13),
GOLD_ORE(14),
IRON_ORE(15),
COAL_ORE(16),
LOG(17),
LEAVES(18),
SPONGE(19),
GLASS(20),
LAPIS_ORE(21),
LAPIS_BLOCK(22),
DISPENSER(23),
SANDSTONE(24),
NOTEBLOCK(25),
GOLDEN_RAIL(27),
DETECTOR_RAIL(28),
STICKY_PISTON(29),
WEB(30),
TALLGRASS(31),
DEADBUSH(32),
PISTON(33),
WOOL(35),
YELLOW_FLOWER(37),
RED_FLOWER(38),
BROWN_MUSHROOM(39),
RED_MUSHROOM(40),
GOLD_BLOCK(41),
IRON_BLOCK(42),
STONE_SLAB(44),
BRICK_BLOCK(45),
TNT(46),
BOOKSHELF(47),
MOSSY_COBBLESTONE(48),
OBSIDIAN(49),
TORCH(50),
MOB_SPAWNER(52),
OAK_STAIRS(53),
CHEST(54),
DIAMOND_ORE(56),
DIAMOND_BLOCK(57),
CRAFTING_TABLE(58),
FARMLAND(60),
FURNACE(61),
LADDER(65),
RAIL(66),
STONE_STAIRS(67),
LEVER(69),
STONE_PRESSURE_PLATE(70),
WOODEN_PRESSURE_PLATE(72),
REDSTONE_ORE(73),
REDSTONE_TORCH(76),
STONE_BUTTON(77),
SNOW_LAYER(78),
ICE(79),
SNOW(80),
CACTUS(81),
CLAY(82),
JUKEBOX(84),
FENCE(85),
PUMPKIN(86),
NETHERRACK(87),
SOUL_SAND(88),
GLOWSTONE(89),
LIT_PUMPKIN(91),
STAINED_GLASS(95),
TRAPDOOR(96),
STONEBRICK(98),
BROWN_MUSHROOM_BLOCK(99),
RED_MUSHROOM_BLOCK(100),
IRON_BARS(101),
GLASS_PANE(102),
MELON_BLOCK(103),
VINE(106),
FENCE_GATE(107),
BRICK_STAIRS(108),
STONE_BRICK_STAIRS(109),
MYCELIUM(110),
WATERLILY(111),
NETHER_BRICK(112),
NETHER_BRICK_FENCE(113),
NETHER_BRICK_STAIRS(114),
ENCHANTING_TABLE(116),
END_PORTAL_FRAME(120),
END_STONE(121),
DRAGON_EGG(122),
REDSTONE_LAMP(123),
WOODEN_SLAB(126),
SANDSTONE_STAIRS(128),
EMERALD_ORE(129),
ENDER_CHEST(130),
TRIPWIRE_HOOK(131),
EMERALD_BLOCK(133),
SPRUCE_STAIRS(134),
BIRCH_STAIRS(135),
JUNGLE_STAIRS(136),
COMMAND_BLOCK(137),
BEACON(138),
COBBLESTONE_WALL(139),
WOODEN_BUTTON(143),
ANVIL(145),
TRAPPED_CHEST(146),
LIGHT_WEIGHTED_PRESSURE_PLATE(147),
HEAVY_WEIGHTED_PRESSURE_PLATE(148),
DAYLIGHT_DETECTOR(151),
REDSTONE_BLOCK(152),
QUARTZ_ORE(153),
HOPPER(154),
QUARTZ_BLOCK(155),
QUARTZ_STAIRS(156),
ACTIVATOR_RAIL(157),
DROPPER(158),
STAINED_HARDENED_CLAY(159),
STAINED_GLASS_PANE(160),
LEAVES2(161),
LOG2(162),
ACACIA_STAIRS(163),
DARK_OAK_STAIRS(164),
SLIME(165),
BARRIER(166),
IRON_TRAPDOOR(167),
PRISMARINE(168),
SEA_LANTERN(169),
HAY_BLOCK(170),
CARPET(171),
HARDENED_CLAY(172),
COAL_BLOCK(173),
PACKED_ICE(174),
DOUBLE_PLANT(175),
RED_SANDSTONE(179),
RED_SANDSTONE_STAIRS(180),
STONE_SLAB2(182),
SPRUCE_FENCE_GATE(183),
BIRCH_FENCE_GATE(184),
JUNGLE_FENCE_GATE(185),
DARK_OAK_FENCE_GATE(186),
ACACIA_FENCE_GATE(187),
SPRUCE_FENCE(188),
BIRCH_FENCE(189),
JUNGLE_FENCE(190),
DARK_OAK_FENCE(191),
ACACIA_FENCE(192),
IRON_SHOVEL(256),
IRON_PICKAXE(257),
IRON_AXE(258),
FLINT_AND_STEEL(259),
APPLE(260),
BOW(261),
ARROW(262),
COAL(263),
DIAMOND(264),
IRON_INGOT(265),
GOLD_INGOT(266),
IRON_SWORD(267),
WOODEN_SWORD(268),
WOODEN_SHOVEL(269),
WOODEN_PICKAXE(270),
WOODEN_AXE(271),
STONE_SWORD(272),
STONE_SHOVEL(273),
STONE_PICKAXE(274),
STONE_AXE(275),
DIAMOND_SWORD(276),
DIAMOND_SHOVEL(277),
DIAMOND_PICKAXE(278),
DIAMOND_AXE(279),
STICK(280),
BOWL(281),
MUSHROOM_STEW(282),
GOLDEN_SWORD(283),
GOLDEN_SHOVEL(284),
GOLDEN_PICKAXE(285),
GOLDEN_AXE(286),
STRING(287),
FEATHER(288),
GUNPOWDER(289),
WOODEN_HOE(290),
STONE_HOE(291),
IRON_HOE(292),
DIAMOND_HOE(293),
GOLDEN_HOE(294),
WHEAT_SEEDS(295),
WHEAT(296),
BREAD(297),
LEATHER_HELMET(298),
LEATHER_CHESTPLATE(299),
LEATHER_LEGGINGS(300),
LEATHER_BOOTS(301),
CHAINMAIL_HELMET(302),
CHAINMAIL_CHESTPLATE(303),
CHAINMAIL_LEGGINGS(304),
CHAINMAIL_BOOTS(305),
IRON_HELMET(306),
IRON_CHESTPLATE(307),
IRON_LEGGINGS(308),
IRON_BOOTS(309),
DIAMOND_HELMET(310),
DIAMOND_CHESTPLATE(311),
DIAMOND_LEGGINGS(312),
DIAMOND_BOOTS(313),
GOLDEN_HELMET(314),
GOLDEN_CHESTPLATE(315),
GOLDEN_LEGGINGS(316),
GOLDEN_BOOTS(317),
FLINT(318),
PORKCHOP(319),
COOKED_PORKCHOP(320),
PAINTING(321),
GOLDEN_APPLE(322),
SIGN(323),
WOODEN_DOOR(324),
BUCKET(325),
WATER_BUCKET(326),
LAVA_BUCKET(327),
MINECART(328),
SADDLE(329),
IRON_DOOR(330),
REDSTONE(331),
SNOWBALL(332),
BOAT(333),
LEATHER(334),
MILK_BUCKET(335),
BRICK(336),
CLAY_BALL(337),
REEDS(338),
PAPER(339),
BOOK(340),
SLIME_BALL(341),
CHEST_MINECART(342),
FURNACE_MINECART(343),
EGG(344),
COMPASS(345),
FISHING_ROD(346),
CLOCK(347),
GLOWSTONE_DUST(348),
FISH(349),
COOKED_FISH(350),
DYE(351),
BONE(352),
SUGAR(353),
CAKE(354),
BED(355),
REPEATER(356),
COOKIE(357),
FILLED_MAP(358),
SHEARS(359),
MELON(360),
PUMPKIN_SEEDS(361),
MELON_SEEDS(362),
BEEF(363),
COOKED_BEEF(364),
CHICKEN(365),
COOKED_CHICKEN(366),
ROTTEN_FLESH(367),
ENDER_PEARL(368),
BLAZE_ROD(369),
GHAST_TEAR(370),
GOLD_NUGGET(371),
NETHER_WART(372),
POTION(373),
GLASS_BOTTLE(374),
SPIDER_EYE(375),
FERMENTED_SPIDER_EYE(376),
BLAZE_POWDER(377),
MAGMA_CREAM(378),
BREWING_STAND(379),
CAULDRON(380),
ENDER_EYE(381),
SPECKLED_MELON(382),
SPAWN_EGG(383),
EXPERIENCE_BOTTLE(384),
FIRE_CHARGE(385),
WRITABLE_BOOK(386),
WRITTEN_BOOK(387),
EMERALD(388),
ITEM_FRAME(389),
FLOWER_POT(390),
CARROT(391),
POTATO(392),
BAKED_POTATO(393),
POISONOUS_POTATO(394),
MAP(395),
GOLDEN_CARROT(396),
SKULL(397),
CARROT_ON_A_STICK(398),
NETHER_STAR(399),
PUMPKIN_PIE(400),
FIREWORKS(401),
FIREWORK_CHARGE(402),
ENCHANTED_BOOK(403),
COMPARATOR(404),
NETHERBRICK(405),
QUARTZ(406),
TNT_MINECART(407),
HOPPER_MINECART(408),
PRISMARINE_SHARD(409),
PRISMARINE_CRYSTALS(410),
RABBIT(411),
COOKED_RABBIT(412),
RABBIT_STEW(413),
RABBIT_FOOT(414),
RABBIT_HIDE(415),
ARMOR_STAND(416),
IRON_HORSE_ARMOR(417),
GOLDEN_HORSE_ARMOR(418),
DIAMOND_HORSE_ARMOR(419),
LEAD(420),
NAME_TAG(421),
COMMAND_BLOCK_MINECART(422),
MUTTON(423),
COOKED_MUTTON(424),
BANNER(425),
SPRUCE_DOOR(427),
BIRCH_DOOR(428),
JUNGLE_DOOR(429),
ACACIA_DOOR(430),
DARK_OAK_DOOR(431),
RECORD_13(2256),
RECORD_CAT(2257),
RECORD_BLOCKS(2258),
RECORD_CHIRP(2259),
RECORD_FAR(2260),
RECORD_MALL(2261),
RECORD_MELLOHI(2262),
RECORD_STAL(2263),
RECORD_STRAD(2264),
RECORD_WARD(2265),
RECORD_11(2266),
RECORD_WAIT(2267);
private final int id;
Item(int id) {
this.id = id;
}
@Deprecated
public int getID() {
return this.id;
}
public int getLegacyID() {
return this.id;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/material/VirtualItem.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.material;
import com.velocitypowered.api.network.ProtocolVersion;
public interface VirtualItem {
short getID(ProtocolVersion version);
short getID(WorldVersion version);
boolean isSupportedOn(ProtocolVersion version);
boolean isSupportedOn(WorldVersion version);
String getModernID();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/material/WorldVersion.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.material;
import com.velocitypowered.api.network.ProtocolVersion;
import java.util.Arrays;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.Map;
import java.util.Set;
import net.elytrium.limboapi.api.utils.EnumUniverse;
public enum WorldVersion {
LEGACY(EnumSet.range(ProtocolVersion.MINECRAFT_1_7_2, ProtocolVersion.MINECRAFT_1_12_2)),
MINECRAFT_1_13(ProtocolVersion.MINECRAFT_1_13),
MINECRAFT_1_13_2(ProtocolVersion.MINECRAFT_1_13_1, ProtocolVersion.MINECRAFT_1_13_2),
MINECRAFT_1_14(EnumSet.range(ProtocolVersion.MINECRAFT_1_14, ProtocolVersion.MINECRAFT_1_14_4)),
MINECRAFT_1_15(EnumSet.range(ProtocolVersion.MINECRAFT_1_15, ProtocolVersion.MINECRAFT_1_15_2)),
MINECRAFT_1_16(ProtocolVersion.MINECRAFT_1_16, ProtocolVersion.MINECRAFT_1_16_1),
MINECRAFT_1_16_2(EnumSet.range(ProtocolVersion.MINECRAFT_1_16_2, ProtocolVersion.MINECRAFT_1_16_4)),
MINECRAFT_1_17(EnumSet.range(ProtocolVersion.MINECRAFT_1_17, ProtocolVersion.MINECRAFT_1_18_2)),
MINECRAFT_1_19(EnumSet.range(ProtocolVersion.MINECRAFT_1_19, ProtocolVersion.MINECRAFT_1_19_1)),
MINECRAFT_1_19_3(ProtocolVersion.MINECRAFT_1_19_3),
MINECRAFT_1_19_4(EnumSet.range(ProtocolVersion.MINECRAFT_1_19_4, ProtocolVersion.MINECRAFT_1_20)),
MINECRAFT_1_20(EnumSet.range(ProtocolVersion.MINECRAFT_1_20, ProtocolVersion.MINECRAFT_1_20_2)),
MINECRAFT_1_20_3(ProtocolVersion.MINECRAFT_1_20_3),
MINECRAFT_1_20_5(EnumSet.range(ProtocolVersion.MINECRAFT_1_20_5, ProtocolVersion.MINECRAFT_1_21)),
MINECRAFT_1_21_2(ProtocolVersion.MINECRAFT_1_21_2),
MINECRAFT_1_21_4(ProtocolVersion.MINECRAFT_1_21_4),
MINECRAFT_1_21_5(ProtocolVersion.MINECRAFT_1_21_5),
MINECRAFT_1_21_6(ProtocolVersion.MINECRAFT_1_21_6),
MINECRAFT_1_21_7(ProtocolVersion.MINECRAFT_1_21_7),
MINECRAFT_1_21_9(ProtocolVersion.MINECRAFT_1_21_9),
MINECRAFT_1_21_11(ProtocolVersion.MINECRAFT_1_21_11),
MINECRAFT_26_1(EnumSet.range(ProtocolVersion.MINECRAFT_26_1, ProtocolVersion.MAXIMUM_VERSION));
private static final EnumMap MC_VERSION_TO_ITEM_VERSIONS = new EnumMap<>(ProtocolVersion.class);
private static final Map KEY_LOOKUP = Map.copyOf(EnumUniverse.createProtocolLookup(values()));
private final Set versions;
WorldVersion(ProtocolVersion... versions) {
this.versions = EnumSet.copyOf(Arrays.asList(versions));
}
WorldVersion(Set versions) {
this.versions = versions;
}
public ProtocolVersion getMinSupportedVersion() {
return this.versions.iterator().next();
}
public Set getVersions() {
return this.versions;
}
static {
for (WorldVersion version : WorldVersion.values()) {
for (ProtocolVersion protocolVersion : version.getVersions()) {
MC_VERSION_TO_ITEM_VERSIONS.put(protocolVersion, version);
}
}
}
public static WorldVersion parse(String from) {
return KEY_LOOKUP.getOrDefault(from, LEGACY);
}
public static WorldVersion from(ProtocolVersion protocolVersion) {
return MC_VERSION_TO_ITEM_VERSIONS.get(protocolVersion);
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/mcprotocollib/NibbleArray3D.java
================================================
/*
* This file is part of MCProtocolLib, licensed under the MIT License (MIT).
*
* Copyright (C) 2013-2021 Steveice10
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
* OR OTHER DEALINGS IN THE SOFTWARE.
*/
package net.elytrium.limboapi.api.mcprotocollib;
import java.util.Arrays;
import net.elytrium.limboapi.api.chunk.data.BlockStorage;
public class NibbleArray3D {
private final byte[] data;
public NibbleArray3D(int size) {
this.data = new byte[size >> 1];
}
public NibbleArray3D(int size, int defaultValue) {
this.data = new byte[size >> 1];
this.fill(defaultValue);
}
public NibbleArray3D(byte[] array) {
this.data = array;
}
public byte[] getData() {
return this.data;
}
public int get(int posX, int posY, int posZ) {
int key = BlockStorage.index(posX, posY, posZ);
int index = key >> 1;
return (key & 1) == 0 ? this.data[index] & 15 : this.data[index] >> 4 & 15;
}
public void set(int posX, int posY, int posZ, int value) {
this.set(BlockStorage.index(posX, posY, posZ), value);
}
public void set(int key, int val) {
int index = key >> 1;
if ((key & 1) == 0) {
this.data[index] = (byte) (this.data[index] & 240 | val & 15);
} else {
this.data[index] = (byte) (this.data[index] & 15 | (val & 15) << 4);
}
}
public void fill(int value) {
for (int index = 0; index < this.data.length << 1; ++index) {
this.set(index, value);
}
}
public NibbleArray3D copy() {
return new NibbleArray3D(Arrays.copyOf(this.data, this.data.length));
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/player/GameMode.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.player;
import org.checkerframework.checker.nullness.qual.Nullable;
public enum GameMode {
SURVIVAL,
CREATIVE,
ADVENTURE,
SPECTATOR;
/**
* Cached {@link #values()} array to avoid constant array allocation.
*/
private static final GameMode[] VALUES = values();
/**
* Get the ID of this {@link GameMode}.
*
* @return The ID.
*
* @see #getByID(int)
*/
public short getID() {
return (short) this.ordinal();
}
/**
* Get a {@link GameMode} by its' ID.
*
* @param id The ID.
*
* @return The {@link GameMode}, or {@code null} if it does not exist.
*
* @see #getID()
*/
@Nullable
public static GameMode getByID(int id) {
return VALUES[id];
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/player/LimboPlayer.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.player;
import com.velocitypowered.api.proxy.Player;
import com.velocitypowered.api.proxy.server.RegisteredServer;
import java.awt.image.BufferedImage;
import java.util.concurrent.ScheduledExecutorService;
import net.elytrium.limboapi.api.Limbo;
import net.elytrium.limboapi.api.material.VirtualItem;
import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
import net.kyori.adventure.nbt.CompoundBinaryTag;
public interface LimboPlayer {
void writePacket(Object packetObj);
void writePacketAndFlush(Object packetObj);
void flushPackets();
void closeWith(Object packetObj);
ScheduledExecutorService getScheduledExecutor();
void sendImage(BufferedImage image);
void sendImage(BufferedImage image, boolean sendItem);
void sendImage(int mapID, BufferedImage image);
void sendImage(int mapID, BufferedImage image, boolean sendItem);
void sendImage(int mapID, BufferedImage image, boolean sendItem, boolean resize);
void setInventory(VirtualItem item, int count);
void setInventory(VirtualItem item, int slot, int count);
void setInventory(int slot, VirtualItem item, int count, int data, CompoundBinaryTag nbt);
void setInventory(int slot, VirtualItem item, int count, int data, ItemComponentMap map);
void setGameMode(GameMode gameMode);
void teleport(double posX, double posY, double posZ, float yaw, float pitch);
void disableFalling();
void enableFalling();
void disconnect();
void disconnect(RegisteredServer server);
void sendAbilities();
void sendAbilities(int abilities, float flySpeed, float walkSpeed);
void sendAbilities(byte abilities, float flySpeed, float walkSpeed);
byte getAbilities();
GameMode getGameMode();
Limbo getServer();
Player getProxyPlayer();
int getPing();
void setWorldTime(long ticks);
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/PacketDirection.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol;
public enum PacketDirection {
CLIENTBOUND,
SERVERBOUND
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/PreparedPacket.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol;
import com.velocitypowered.api.network.ProtocolVersion;
import java.util.List;
import java.util.function.Function;
public interface PreparedPacket {
PreparedPacket prepare(T packet);
PreparedPacket prepare(T[] packets);
PreparedPacket prepare(List packets);
PreparedPacket prepare(T packet, ProtocolVersion from);
PreparedPacket prepare(T packet, ProtocolVersion from, ProtocolVersion to);
PreparedPacket prepare(T[] packets, ProtocolVersion from);
PreparedPacket prepare(T[] packets, ProtocolVersion from, ProtocolVersion to);
PreparedPacket prepare(List packets, ProtocolVersion from);
PreparedPacket prepare(List packets, ProtocolVersion from, ProtocolVersion to);
PreparedPacket prepare(Function packet);
PreparedPacket prepare(Function packet, ProtocolVersion from);
PreparedPacket prepare(Function packet, ProtocolVersion from, ProtocolVersion to);
PreparedPacket build();
void release();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/item/ItemComponent.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.item;
public interface ItemComponent {
String getName();
ItemComponent setValue(T value);
T getValue();
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/item/ItemComponentMap.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.item;
import com.velocitypowered.api.network.ProtocolVersion;
import java.util.List;
public interface ItemComponentMap {
ItemComponentMap add(ProtocolVersion version, String name, T value);
ItemComponentMap remove(ProtocolVersion version, String name);
List getAdded();
List getRemoved();
void read(ProtocolVersion version, Object buffer);
void write(ProtocolVersion version, Object buffer);
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/map/MapPalette.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.map;
import com.velocitypowered.api.network.ProtocolVersion;
import java.awt.image.BufferedImage;
@Deprecated(forRemoval = true)
public class MapPalette {
public static int[] imageToBytes(BufferedImage image) {
return net.elytrium.limboapi.api.protocol.packets.data.MapPalette.imageToBytes(image);
}
public static int[] imageToBytes(BufferedImage image, ProtocolVersion version) {
return net.elytrium.limboapi.api.protocol.packets.data.MapPalette.imageToBytes(image, version);
}
public static byte tryFastMatchColor(int rgb, ProtocolVersion version) {
return net.elytrium.limboapi.api.protocol.packets.data.MapPalette.tryFastMatchColor(rgb, version);
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/packets/PacketFactory.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.packets;
import com.velocitypowered.api.network.ProtocolVersion;
import java.util.List;
import java.util.Map;
import net.elytrium.limboapi.api.chunk.Dimension;
import net.elytrium.limboapi.api.chunk.data.ChunkSnapshot;
import net.elytrium.limboapi.api.material.VirtualItem;
import net.elytrium.limboapi.api.material.WorldVersion;
import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
import net.elytrium.limboapi.api.protocol.packets.data.AbilityFlags;
import net.elytrium.limboapi.api.protocol.packets.data.MapData;
import net.kyori.adventure.nbt.CompoundBinaryTag;
import org.checkerframework.checker.nullness.qual.Nullable;
public interface PacketFactory {
Object createChangeGameStatePacket(int reason, float value);
Object createChunkDataPacket(ChunkSnapshot chunkSnapshot, boolean legacySkyLight, int maxSections);
Object createChunkDataPacket(ChunkSnapshot chunkSnapshot, Dimension dimension);
Object createChunkUnloadPacket(int posX, int posZ);
Object createDefaultSpawnPositionPacket(int posX, int posY, int posZ, float angle);
Object createDefaultSpawnPositionPacket(String dimension, int posX, int posY, int posZ, float yaw, float pitch);
Object createMapDataPacket(int mapID, byte scale, MapData mapData);
/**
* @param flags See {@link AbilityFlags}. (e.g. {@code AbilityFlags.ALLOW_FLYING | AbilityFlags.CREATIVE_MODE})
*/
Object createPlayerAbilitiesPacket(int flags, float flySpeed, float walkSpeed);
/**
* @param flags See {@link AbilityFlags}. (e.g. {@code AbilityFlags.ALLOW_FLYING | AbilityFlags.CREATIVE_MODE})
*/
Object createPlayerAbilitiesPacket(byte flags, float flySpeed, float walkSpeed);
Object createPositionRotationPacket(double posX, double posY, double posZ, float yaw, float pitch,
boolean onGround, int teleportID, boolean dismountVehicle);
Object createSetExperiencePacket(float expBar, int level, int totalExp);
Object createSetSlotPacket(int windowID, int slot, VirtualItem item, int count, int data, @Nullable CompoundBinaryTag nbt);
Object createSetSlotPacket(int windowID, int slot, VirtualItem item, int count, int data, @Nullable ItemComponentMap map);
Object createTimeUpdatePacket(long worldAge, long timeOfDay);
Object createUpdateViewPositionPacket(int posX, int posZ);
Object createUpdateTagsPacket(WorldVersion version);
Object createUpdateTagsPacket(ProtocolVersion version);
Object createUpdateTagsPacket(Map>> tags);
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/packets/PacketMapping.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.packets;
import com.velocitypowered.api.network.ProtocolVersion;
import org.checkerframework.checker.nullness.qual.Nullable;
public class PacketMapping {
private final int id;
private final ProtocolVersion protocolVersion;
@Nullable
private final ProtocolVersion lastValidProtocolVersion;
private final boolean encodeOnly;
public PacketMapping(int id, ProtocolVersion protocolVersion, boolean encodeOnly) {
this(id, protocolVersion, null, encodeOnly);
}
public PacketMapping(int id, ProtocolVersion protocolVersion, @Nullable ProtocolVersion lastValidProtocolVersion, boolean encodeOnly) {
this.id = id;
this.protocolVersion = protocolVersion;
this.lastValidProtocolVersion = lastValidProtocolVersion;
this.encodeOnly = encodeOnly;
}
public int getID() {
return this.id;
}
public ProtocolVersion getProtocolVersion() {
return this.protocolVersion;
}
@Nullable
public ProtocolVersion getLastValidProtocolVersion() {
return this.lastValidProtocolVersion;
}
public boolean isEncodeOnly() {
return this.encodeOnly;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/packets/data/AbilityFlags.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.packets.data;
/**
* For PlayerAbilities packet.
*/
public class AbilityFlags {
public static final int INVULNERABLE = 1;
public static final int FLYING = 2;
public static final int ALLOW_FLYING = 4;
public static final int CREATIVE_MODE = 8;
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/packets/data/BiomeData.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.packets.data;
import java.util.HashMap;
import java.util.Map;
import net.elytrium.limboapi.api.chunk.VirtualBiome;
import net.elytrium.limboapi.api.chunk.data.ChunkSnapshot;
/**
* For ChunkData packet.
*/
public class BiomeData {
private final int[] post115Biomes = new int[1024];
private final byte[] pre115Biomes = new byte[256];
public BiomeData(ChunkSnapshot chunk) {
VirtualBiome[] biomes = chunk.getBiomes();
for (int i = 0; i < biomes.length; ++i) {
this.post115Biomes[i] = biomes[i].getID();
}
// Down sample 4x4x4 3D biomes to 2D XZ.
Map samples = new HashMap<>(64);
for (int posX = 0; posX < 16; posX += 4) {
for (int posZ = 0; posZ < 16; posZ += 4) {
samples.clear();
for (int posY = 0; posY < 256; posY += 16) {
VirtualBiome biome = biomes[/*SimpleChunk.getBiomeIndex(posX, posY, posZ)*/(posY >> 2 & 63) << 4 | (posZ >> 2 & 3) << 2 | posX >> 2 & 3];
samples.put(biome.getID(), samples.getOrDefault(biome.getID(), 0) + 1);
}
int id = samples.entrySet()
.stream()
.max(Map.Entry.comparingByValue())
.orElseThrow()
.getKey();
for (int i = posX; i < posX + 4; ++i) {
for (int j = posZ; j < posZ + 4; ++j) {
this.pre115Biomes[(j << 4) + i] = (byte) id;
}
}
}
}
}
public int[] getPost115Biomes() {
return this.post115Biomes;
}
public byte[] getPre115Biomes() {
return this.pre115Biomes;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/packets/data/MapData.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.packets.data;
/**
* For MapData packet.
*/
public class MapData {
public static final int MAP_DIM_SIZE = 128;
public static final int MAP_SIZE = MAP_DIM_SIZE * MAP_DIM_SIZE; // 128² == 16384
private final int columns;
private final int rows;
private final int posX;
private final int posY;
private final byte[] data;
public MapData(byte[] data) {
this(0, data);
}
public MapData(int posX, byte[] data) {
this(MAP_DIM_SIZE, MAP_DIM_SIZE, posX, 0, data);
}
public MapData(int columns, int rows, int posX, int posY, byte[] data) {
this.columns = columns;
this.rows = rows;
this.posX = posX;
this.posY = posY;
this.data = data;
}
public int getColumns() {
return this.columns;
}
public int getRows() {
return this.rows;
}
public int getX() {
return this.posX;
}
public int getY() {
return this.posY;
}
public byte[] getData() {
return this.data;
}
@Override
public String toString() {
return "MapData{"
+ "columns=" + this.columns
+ ", rows=" + this.rows
+ ", posX=" + this.posX
+ ", posY=" + this.posY
+ "}";
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/protocol/packets/data/MapPalette.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.protocol.packets.data;
import com.velocitypowered.api.network.ProtocolVersion;
import java.awt.image.BufferedImage;
import java.io.IOError;
import java.io.IOException;
import java.io.InputStream;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
public class MapPalette {
private static final Map REMAP_BUFFERS = new EnumMap<>(MapVersion.class);
private static final byte[] MAIN_BUFFER = readBuffer("/mapping/colors_main_map");
/**
* @deprecated Use {@link java.awt.Color#WHITE} instead.
*/
@Deprecated
public static final byte WHITE = 34;
public static final byte TRANSPARENT = 0;
static {
for (MapVersion version : MapVersion.values()) {
REMAP_BUFFERS.put(version, readBuffer("/mapping/colors_" + version.toString().toLowerCase(Locale.ROOT) + "_map"));
}
}
private static byte[] readBuffer(String filename) {
try (InputStream stream = MapPalette.class.getResourceAsStream(filename)) {
return Objects.requireNonNull(stream).readAllBytes();
} catch (IOException e) {
throw new IOError(e);
}
}
/**
* Convert an Image to a byte[] using the palette.
* Uses reduced set of colors, to support more colors use {@link MapPalette#imageToBytes(BufferedImage, ProtocolVersion)}
*
* @param image The image to convert.
*
* @return A byte[] containing the pixels of the image.
*/
public static int[] imageToBytes(BufferedImage image) {
return imageToBytes(image, ProtocolVersion.MINIMUM_VERSION);
}
/**
* Convert an Image to a byte[] using the palette.
*
* @param image The image to convert.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static int[] imageToBytes(BufferedImage image, ProtocolVersion version) {
int[] result = image.getRGB(0, 0, image.getWidth(), image.getHeight(), null, 0, image.getWidth());
return imageToBytes(result, result, version);
}
/**
* Convert an image to a byte[] using the palette.
*
* @param image The image to convert.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static int[] imageToBytes(int[] image, ProtocolVersion version) {
return imageToBytes(image, new int[image.length], version);
}
/**
* Convert an image to a byte[] using the palette.
*
* @param from The image to convert.
* @param to Output image.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static int[] imageToBytes(int[] from, int[] to, ProtocolVersion version) {
for (int i = 0; i < from.length; ++i) {
to[i] = tryFastMatchColor(from[i], version);
}
return to;
}
/**
* Convert an image to a byte[] using the palette.
*
* @param from The image to convert.
* @param to Output image.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static byte[] imageToBytes(int[] from, byte[] to, ProtocolVersion version) {
for (int i = 0; i < from.length; ++i) {
to[i] = tryFastMatchColor(from[i], version);
}
return to;
}
/**
* Get the index of the closest matching color in the palette to the given
* color. Uses caching and downscaling of color values.
*
* @param rgb The Color to match.
*
* @return The index in the palette.
*/
public static byte tryFastMatchColor(int rgb, ProtocolVersion version) {
if (getAlpha(rgb) < 128) {
return TRANSPARENT;
} else {
MapVersion mapVersion = MapVersion.fromProtocolVersion(version);
byte originalColorID = MAIN_BUFFER[rgb & 0xFFFFFF];
if (mapVersion == MapVersion.MAXIMUM_VERSION) {
return originalColorID;
} else {
return remapByte(REMAP_BUFFERS.get(mapVersion), originalColorID);
}
}
}
private static int getAlpha(int rgb) {
return (rgb & 0xFF000000) >>> 24;
}
/**
* Convert an image from MapVersion.MAXIMUM_VERSION to the desired version
*
* @param image The image to convert.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static int[] convertImage(int[] image, MapVersion version) {
return convertImage(image, new int[image.length], version);
}
/**
* Convert an image from MapVersion.MAXIMUM_VERSION to the desired version
*
* @param from The image to convert.
* @param to Output image.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static int[] convertImage(int[] from, int[] to, MapVersion version) {
byte[] remapBuffer = REMAP_BUFFERS.get(version);
for (int i = 0; i < from.length; ++i) {
to[i] = remapByte(remapBuffer, (byte) from[i]);
}
return to;
}
/**
* Convert an image from MapVersion.MAXIMUM_VERSION to the desired version
*
* @param from The image to convert.
* @param to Output image.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static byte[] convertImage(byte[] from, byte[] to, MapVersion version) {
byte[] remapBuffer = REMAP_BUFFERS.get(version);
for (int i = 0; i < from.length; ++i) {
to[i] = remapByte(remapBuffer, from[i]);
}
return to;
}
/**
* Convert an image from MapVersion.MAXIMUM_VERSION to the desired version
*
* @param from The image to convert.
* @param to Output image.
* @param version The ProtocolVersion to support more colors.
*
* @return A byte[] containing the pixels of the image.
*/
public static byte[] convertImage(int[] from, byte[] to, MapVersion version) {
byte[] remapBuffer = REMAP_BUFFERS.get(version);
for (int i = 0; i < from.length; ++i) {
to[i] = remapByte(remapBuffer, (byte) from[i]);
}
return to;
}
private static byte remapByte(byte[] remapBuffer, byte oldByte) {
return remapBuffer[Byte.toUnsignedInt(oldByte)];
}
public enum MapVersion {
MINIMUM_VERSION(EnumSet.range(ProtocolVersion.MINECRAFT_1_7_2, ProtocolVersion.MINECRAFT_1_7_6)),
MINECRAFT_1_8(EnumSet.range(ProtocolVersion.MINECRAFT_1_8, ProtocolVersion.MINECRAFT_1_11_1)),
MINECRAFT_1_12(EnumSet.range(ProtocolVersion.MINECRAFT_1_12, ProtocolVersion.MINECRAFT_1_15_2)),
MINECRAFT_1_16(EnumSet.range(ProtocolVersion.MINECRAFT_1_16, ProtocolVersion.MINECRAFT_1_16_4)),
MINECRAFT_1_17(EnumSet.range(ProtocolVersion.MINECRAFT_1_17, ProtocolVersion.MAXIMUM_VERSION));
private static final EnumMap VERSIONS_MAP = new EnumMap<>(ProtocolVersion.class);
public static final MapVersion MAXIMUM_VERSION = MINECRAFT_1_17;
private final EnumSet versions;
MapVersion(EnumSet versions) {
this.versions = versions;
}
public EnumSet getVersions() {
return this.versions;
}
static {
for (MapVersion value : MapVersion.values()) {
value.versions.forEach(version -> VERSIONS_MAP.put(version, value));
}
}
public static MapVersion fromProtocolVersion(ProtocolVersion version) {
return VERSIONS_MAP.get(version);
}
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/utils/EnumUniverse.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.utils;
import java.util.HashMap;
import java.util.Map;
public final class EnumUniverse {
private EnumUniverse() {
}
public static > Map createProtocolLookup(T[] values) {
Map lookup = new HashMap<>();
for (T value : values) {
if (value.name().startsWith("MINECRAFT_")) {
lookup.put(value.name().substring("MINECRAFT_".length()).replace("_", "."), value);
}
}
return lookup;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/utils/OverlayMap.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.utils;
import java.util.Map;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public abstract class OverlayMap implements Map {
protected boolean override = false;
protected final Map parent;
protected final Map overlay;
public OverlayMap(Map parent, Map overlay) {
this.parent = parent;
this.overlay = overlay;
}
@Override
public int size() {
return this.parent.size() + this.overlay.size();
}
@Override
public boolean isEmpty() {
return this.parent.isEmpty() && this.overlay.isEmpty();
}
@Override
public boolean containsKey(Object o) {
if (this.override) {
return this.overlay.containsKey(o);
}
return this.parent.containsKey(o) || this.overlay.containsKey(o);
}
@Override
public boolean containsValue(Object o) {
if (this.override) {
return this.overlay.containsValue(o);
}
return this.parent.containsValue(o) || this.overlay.containsValue(o);
}
@Override
@SuppressWarnings("SuspiciousMethodCalls")
public V get(Object o) {
if (this.overlay.containsKey(o)) {
return this.overlay.get(o);
}
return this.parent.get(o);
}
@Nullable
@Override
public V put(K k, V v) {
return this.overlay.put(k, v);
}
@Override
public V remove(Object o) {
return this.overlay.remove(o);
}
@Override
public void putAll(@NotNull Map map) {
this.overlay.putAll(map);
}
@Override
public void clear() {
this.overlay.clear();
}
public boolean isOverride() {
return this.override;
}
public void setOverride(boolean override) {
this.override = override;
}
}
================================================
FILE: api/src/main/java/net/elytrium/limboapi/api/utils/OverlayVanillaMap.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi.api.utils;
import com.google.common.collect.Streams;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import org.jetbrains.annotations.NotNull;
public class OverlayVanillaMap extends OverlayMap {
public OverlayVanillaMap(Map parent, Map overlay) {
super(parent, overlay);
}
@Override
public Set keySet() {
return Streams.concat(this.parent.keySet().stream(), this.overlay.keySet().stream()).collect(Collectors.toSet());
}
@NotNull
@Override
public Collection values() {
return Streams.concat(this.parent.values().stream(), this.overlay.values().stream()).collect(Collectors.toList());
}
@NotNull
@Override
public Set> entrySet() {
return Streams.concat(this.parent.entrySet().stream(), this.overlay.entrySet().stream()).collect(Collectors.toSet());
}
}
================================================
FILE: api/src/main/templates/net/elytrium/limboapi/BuildConstants.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the api top-level directory.
*/
package net.elytrium.limboapi;
// The constants are replaced before compilation.
public class BuildConstants {
public static final String LIMBO_VERSION = "${version}";
}
================================================
FILE: build.gradle.kts
================================================
import com.github.spotbugs.snom.SpotBugsExtension
import com.github.spotbugs.snom.SpotBugsTask
plugins {
java
checkstyle
alias(libs.plugins.gradle.spotbugs) apply false
alias(libs.plugins.gradle.licenser) apply false
}
allprojects {
apply(plugin = "checkstyle")
apply(plugin = "com.github.spotbugs")
apply(plugin = "net.minecraftforge.licenser")
group = "net.elytrium.limboapi"
version = "1.1.27-SNAPSHOT"
tasks.withType {
sourceCompatibility = JavaVersion.VERSION_21.toString()
targetCompatibility = JavaVersion.VERSION_21.toString()
}
checkstyle {
toolVersion = "10.12.1"
configFile = file("$rootDir/config/checkstyle/checkstyle.xml")
configProperties = mapOf("configDirectory" to "$rootDir/config/checkstyle")
maxErrors = 0
maxWarnings = 0
}
extensions.configure {
excludeFilter.set(file("${rootDir}/config/spotbugs/suppressions.xml"))
}
tasks.withType() {
reports.create("html") {
required.set(true)
outputLocation.set(layout.buildDirectory.file("reports/spotbugs/main/spotbugs.html"))
setStylesheet("fancy-hist.xsl")
}
}
}
fun getCurrentShortRevision(): String {
val isWindows = System.getProperty("os.name")
.lowercase()
.contains("win")
val process = if (isWindows) {
ProcessBuilder("cmd", "/c", "git rev-parse --short HEAD")
} else {
ProcessBuilder("bash", "-c", "git rev-parse --short HEAD")
}
return process
.start()
.inputStream
.bufferedReader()
.readText()
.trim()
}
// Make the function available to subprojects via extra properties
extra["getCurrentShortRevision"] = ::getCurrentShortRevision
================================================
FILE: config/checkstyle/checkstyle.xml
================================================
================================================
FILE: config/checkstyle/suppressions.xml
================================================
================================================
FILE: config/spotbugs/suppressions.xml
================================================
================================================
FILE: gradle/libs.versions.toml
================================================
[versions]
elytrium-commons = "1.2.3" # https://github.com/Elytrium/elytrium-java-commons
elytrium-fastprepare = "1.0.13" #https://github.com/Elytrium/FastPrepareAPI
gradle-licenser = "1.2.0" # https://github.com/CadixDev/licenser
gradle-shadow = "9.4.0" # https://github.com/GradleUp/shadow
gradle-spotbugs = "6.4.8" # https://github.com/spotbugs/spotbugs-gradle-plugin
minecraft-adventure = "4.15.0" # https://github.com/KyoriPowered/adventure
minecraft-bstats = "3.0.0" # https://github.com/Bastian/bStats
minecraft-velocity = "3.5.0-SNAPSHOT" # https://github.com/PaperMC/Velocity
tool-commons-io = "2.6" # https://github.com/apache/commons-io
tool-fastutil = "8.5.11" # https://github.com/vigna/fastutil/
tool-google-guava = "28.0-jre" # https://github.com/google/guava
tool-netty = "4.1.86.Final" # https://github.com/netty/netty
tool-spotbugs-annotations = "4.7.3" # https://github.com/spotbugs/spotbugs
[libraries]
elytrium-commons-config = { module = "net.elytrium.commons:config", version.ref = "elytrium-commons" }
elytrium-commons-kyori = { module = "net.elytrium.commons:kyori", version.ref = "elytrium-commons" }
elytrium-commons-utils = { module = "net.elytrium.commons:utils", version.ref = "elytrium-commons" }
elytrium-commons-velocity = { module = "net.elytrium.commons:velocity", version.ref = "elytrium-commons" }
elytrium-fastprepare = { module = "net.elytrium:fastprepare", version.ref = "elytrium-fastprepare" }
minecraft-adventure-nbt = { module = "net.kyori:adventure-nbt", version.ref = "minecraft-adventure" }
minecraft-bstats-velocity = { module = "org.bstats:bstats-velocity", version.ref = "minecraft-bstats" }
minecraft-velocity-api = { module = "com.velocitypowered:velocity-api", version.ref = "minecraft-velocity" }
minecraft-velocity-native = { module = "com.velocitypowered:velocity-native", version.ref = "minecraft-velocity" }
minecraft-velocity-proxy = { module = "com.velocitypowered:velocity-proxy", version.ref = "minecraft-velocity" }
tool-commons-io = { module = "commons-io:commons-io", version.ref = "tool-commons-io" }
tool-fastutil = { module = "it.unimi.dsi:fastutil-core", version.ref = "tool-fastutil" }
tool-google-guava = { module = "com.google.guava:guava", version.ref = "tool-google-guava" }
tool-netty-codec = { module = "io.netty:netty-codec", version.ref = "tool-netty" }
tool-netty-handler = { module = "io.netty:netty-handler", version.ref = "tool-netty" }
tool-spotbugs-annotations = { module = "com.github.spotbugs:spotbugs-annotations", version.ref = "tool-spotbugs-annotations" }
[plugins]
gradle-licenser = { id = "net.minecraftforge.licenser", version.ref = "gradle-licenser" }
gradle-shadow = { id = "com.gradleup.shadow", version.ref = "gradle-shadow" }
gradle-spotbugs = { id = "com.github.spotbugs", version.ref = "gradle-spotbugs" }
================================================
FILE: gradle/wrapper/gradle-wrapper.properties
================================================
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
================================================
FILE: gradle.properties
================================================
org.gradle.jvmargs=-Xmx4096m
manifestUrl=https://launchermeta.mojang.com/mc/game/version_manifest.json
# 1 week
cacheValidMillis=604800000
# Change to invalidate mappings cache on CI
gameVersion=26.1
================================================
FILE: gradlew
================================================
#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"
================================================
FILE: gradlew.bat
================================================
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega
================================================
FILE: plugin/build.gradle
================================================
//file:noinspection GroovyAssignabilityCheck
buildscript() {
dependencies() {
classpath(libs.tool.commons.io)
classpath(libs.tool.google.guava)
}
}
plugins() {
id("java")
alias(libs.plugins.gradle.shadow)
}
compileJava() {
getOptions().getRelease().set(21)
getOptions().setEncoding("UTF-8")
}
dependencies() {
implementation(project(":api"))
implementation(libs.elytrium.commons.config)
implementation(libs.elytrium.commons.utils)
implementation(libs.elytrium.commons.velocity)
implementation(libs.elytrium.commons.kyori)
implementation(libs.elytrium.fastprepare)
compileOnly(libs.minecraft.velocity.api)
annotationProcessor(libs.minecraft.velocity.api)
compileOnly(libs.minecraft.velocity.proxy) // From Elytrium Repo.
compileOnly(libs.minecraft.velocity.native)
// Needs for some velocity methods.
compileOnly(libs.tool.netty.codec)
compileOnly(libs.tool.netty.handler)
compileOnly(libs.tool.fastutil)
implementation(libs.minecraft.bstats.velocity)
compileOnly(libs.tool.spotbugs.annotations)
}
shadowJar() {
getArchiveClassifier().set("")
setArchiveFileName("limboapi-${project.version}.jar")
exclude("META-INF/versions/**")
exclude("net/kyori/**")
relocate("org.bstats", "net.elytrium.limboapi.thirdparty.org.bstats")
relocate("net.elytrium.fastprepare", "net.elytrium.limboapi.thirdparty.fastprepare")
relocate("net.elytrium.commons.velocity", "net.elytrium.limboapi.thirdparty.commons.velocity")
relocate("net.elytrium.commons.kyori", "net.elytrium.limboapi.thirdparty.commons.kyori")
relocate("net.elytrium.commons.config", "net.elytrium.limboapi.thirdparty.commons.config")
}
license() {
matching("**/mcprotocollib/**") {
header = rootProject.file("HEADER_MCPROTOCOLLIB.txt")
}
matching("**/LoginListener.java") {
header = rootProject.file("HEADER_MIXED.txt")
}
matching("**/KickListener.java") {
header = rootProject.file("HEADER_MIXED.txt")
}
matching("**/LoginTasksQueue.java") {
header = rootProject.file("HEADER_MIXED.txt")
}
matching("**/MinecraftLimitedCompressDecoder.java") {
header = rootProject.file("HEADER_MIXED.txt")
}
header = rootProject.file("HEADER.txt")
}
tasks.register("finalize") {
doLast {
file("build/libs/${project.name}-${project.version}.jar").delete()
}
}
assemble.dependsOn(shadowJar)
build.finalizedBy(finalize)
import groovy.io.FileType
import groovy.json.JsonOutput
import groovy.json.JsonSlurper
import org.apache.commons.io.FilenameUtils
import org.apache.commons.io.FileUtils
import com.google.common.hash.Hashing
import com.google.common.io.Files
import java.nio.file.Path
import java.util.function.Function
import java.util.stream.Collectors
enum MinecraftVersion {
MINECRAFT_1_7_2(4),
MINECRAFT_1_7_6(5),
MINECRAFT_1_8(47),
MINECRAFT_1_9(107),
MINECRAFT_1_9_1(108),
MINECRAFT_1_9_2(109),
MINECRAFT_1_9_4(110),
MINECRAFT_1_10(210),
MINECRAFT_1_11(315),
MINECRAFT_1_11_1(316),
MINECRAFT_1_12(335),
MINECRAFT_1_12_1(338),
MINECRAFT_1_12_2(340),
MINECRAFT_1_13(393),
MINECRAFT_1_13_1(401),
MINECRAFT_1_13_2(404),
MINECRAFT_1_14(477),
MINECRAFT_1_14_1(480),
MINECRAFT_1_14_2(485),
MINECRAFT_1_14_3(490),
MINECRAFT_1_14_4(498),
MINECRAFT_1_15(573),
MINECRAFT_1_15_1(575),
MINECRAFT_1_15_2(578),
MINECRAFT_1_16(735),
MINECRAFT_1_16_1(736),
MINECRAFT_1_16_2(751),
MINECRAFT_1_16_3(753),
MINECRAFT_1_16_4(754),
MINECRAFT_1_17(755),
MINECRAFT_1_17_1(756),
MINECRAFT_1_18(757),
MINECRAFT_1_18_2(758),
MINECRAFT_1_19(759),
MINECRAFT_1_19_1(760),
MINECRAFT_1_19_3(761),
MINECRAFT_1_19_4(762),
MINECRAFT_1_20(763),
MINECRAFT_1_20_2(764),
MINECRAFT_1_20_3(765),
MINECRAFT_1_20_5(766),
MINECRAFT_1_21(767),
MINECRAFT_1_21_2(768),
MINECRAFT_1_21_4(769),
MINECRAFT_1_21_5(770),
MINECRAFT_1_21_6(771),
MINECRAFT_1_21_7(772),
MINECRAFT_1_21_9(773),
MINECRAFT_1_21_11(774),
MINECRAFT_26_1(774)
public static final List WORLD_VERSIONS = List.of(
MINECRAFT_1_13,
MINECRAFT_1_13_2,
MINECRAFT_1_14,
MINECRAFT_1_15,
MINECRAFT_1_16,
MINECRAFT_1_16_2,
MINECRAFT_1_17,
MINECRAFT_1_19,
MINECRAFT_1_19_3,
MINECRAFT_1_19_4,
MINECRAFT_1_20,
MINECRAFT_1_20_3,
MINECRAFT_1_20_5,
MINECRAFT_1_21_2,
MINECRAFT_1_21_4,
MINECRAFT_1_21_5,
MINECRAFT_1_21_6,
MINECRAFT_1_21_7,
MINECRAFT_1_21_9,
MINECRAFT_1_21_11,
MINECRAFT_26_1
)
public static final MinecraftVersion MINIMUM_VERSION = MINECRAFT_1_7_2
public static final MinecraftVersion MAXIMUM_VERSION = values()[values().length - 1]
static MinecraftVersion fromVersionName(String name) {
return valueOf("MINECRAFT_" + name.replace('.', '_'))
}
// Cache version name to reduce memory usage in general
final String versionName = this.toString().substring(10).replace('_', '.')
final int protocolVersion
MinecraftVersion(int protocolVersion) {
this.protocolVersion = protocolVersion
}
int getProtocolVersion() {
return this.protocolVersion
}
String getVersionName() {
return this.versionName
}
}
project.ext.dataDirectory = new File(this.getLayout().getBuildDirectory().get().getAsFile(), "minecraft")
project.ext.generatedDir = new File(this.getLayout().getBuildDirectory().get().getAsFile(), "generated/minecraft")
project.ext.versionManifestFile = new File(dataDirectory, "manifest.json")
sourceSets {
main {
resources {
srcDirs += generatedDir
}
}
}
tasks.register("downloadManifest") {
this.println("> Downloading version manifest...")
versionManifestFile.getParentFile().mkdirs()
if (checkIsCacheValid(versionManifestFile)) {
FileUtils.copyURLToFile(new URL(manifestUrl), versionManifestFile)
}
}
boolean checkIsCacheValid(File file) {
if (file.exists() && System.currentTimeMillis() - file.lastModified() < Long.parseLong(cacheValidMillis)) {
println("> Found cached " + file.getName())
return false
}
return true
}
File downloadVersionManifest(String version) {
this.println("> Downloading ${version} manifest...")
Object manifest = new JsonSlurper().parse(versionManifestFile)
def optional = manifest.versions.stream().filter({ it.id == version }).findFirst()
if (optional.empty()) {
throw new RuntimeException("Couldn't find version: ${version}")
}
File output = new File(dataDirectory, "${version}/manifest.json")
output.getParentFile().mkdirs()
FileUtils.copyURLToFile(new URL(optional.get().url), output)
return output
}
@SuppressWarnings('GrMethodMayBeStatic')
File getGeneratedCache(MinecraftVersion version) {
File generated = new File(dataDirectory, "${version.getVersionName()}/generated")
return new File(generated, "reports/blocks.json").exists()
&& new File(generated, "reports/${version >= MinecraftVersion.MINECRAFT_1_14 ? "registries" : "items"}.json").exists()
&& new File(generated, "data/minecraft/tags").exists()
? generated : null
}
static boolean validateServer(File file, String expected) {
if (file == null || !file.exists()) {
return false
}
def hash = Files.asByteSource(file).hash(Hashing.sha1())
StringBuilder hashBuilder = new StringBuilder()
hash.asBytes().each({hashBuilder.append(Integer.toString((it & 0xFF) + 0x100, 16).substring(1))})
return hashBuilder.toString() == expected
}
File getServerJar(String version) {
File manifestFile = this.downloadVersionManifest(version)
Object manifest = new JsonSlurper().parse(manifestFile)
File jarFile = new File(dataDirectory, "${version}/server.jar")
if (!validateServer(jarFile, manifest.downloads.server.sha1)) {
this.println("> Downloading ${version} server...")
jarFile.getParentFile().mkdirs()
FileUtils.copyURLToFile(new URL(manifest.downloads.server.url), jarFile)
}
return jarFile
}
File generateData(MinecraftVersion version) {
File cache = getGeneratedCache(version)
if (cache != null) {
return cache
}
File jarFile = this.getServerJar(version.getVersionName())
File parent = jarFile.getParentFile()
File targetDir = new File(parent, "generated")
try {
FileUtils.deleteDirectory(targetDir)
} catch (IOException ignored) {
// Ignored.
}
String command
if (version >= MinecraftVersion.MINECRAFT_1_18) {
command = "\"%s\" -DbundlerMainClass=net.minecraft.data.Main -jar \"${jarFile.getAbsolutePath()}\" --reports --server"
} else {
command = "\"%s\" -cp \"${jarFile.getAbsolutePath()}\" net.minecraft.data.Main --reports --server"
}
List commandLine;
if (System.getProperty("os.name").toLowerCase().contains("win")) {
File java = new File(System.getProperty("java.home"), "bin/java.exe")
commandLine = ["cmd", "/c", String.format(command, java)]
} else {
File java = new File(System.getProperty("java.home"), "bin/java")
commandLine = ["bash", "-c", String.format(command, java)]
}
commandLine.execute([], parent).waitFor()
// Remove/compact files, reduces disk usage from ~2.9gb to ~92mb (or ~9.5mb on a compressed filesystem)
jarFile.delete()
FileUtils.deleteDirectory(new File(parent, "logs"))
FileUtils.deleteDirectory(new File(parent, "libraries"))
FileUtils.deleteDirectory(new File(parent, "versions"))
new File(targetDir, "reports/commands.json").delete()
FileUtils.deleteDirectory(new File(targetDir, ".cache"))
FileUtils.deleteDirectory(new File(targetDir, "reports/biome_parameters"))
FileUtils.deleteDirectory(new File(targetDir, "reports/biomes"))
FileUtils.deleteDirectory(new File(targetDir, "reports/worldgen"))
FileUtils.deleteDirectory(new File(targetDir, "reports/minecraft/components/item"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/datapacks"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/advancements"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/advancement"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/recipes"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/recipe"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/loot_tables"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/loot_table"))
FileUtils.deleteDirectory(new File(targetDir, "data/minecraft/worldgen"))
java.nio.file.Files.walk(parent.toPath(), 32).forEach { it ->
if (it.fileName.toString().endsWith(".json")) {
java.nio.file.Files.writeString(it, JsonOutput.toJson(new JsonSlurper().parse(it)))
}
}
return targetDir
}
static Map> getDefaultProperties(Object data) {
Map> defaultProperties = new HashMap<>()
data.forEach({ key, block ->
if (!block.containsKey("properties")) {
return
}
for (Object blockState : block.states) {
if (!blockState.containsKey("default") || !blockState.default) {
continue
}
Map properties = blockState["properties"]
defaultProperties.put(key, properties)
break
}
})
return defaultProperties
}
static Map> loadFallbackMapping(File file) {
Object map = new JsonSlurper().parse(file)
return MinecraftVersion.values().collectEntries({ version ->
[version, map.getOrDefault(version.toString(), Collections.emptyMap())]
})
}
static Map> loadLegacyMapping(File file) {
return new JsonSlurper().parse(file).collectEntries({ version, mapping ->
[MinecraftVersion.valueOf(version), mapping.collectEntries({ block, id ->
[block, Integer.parseInt(id)]
})]
})
}
static int getBlockID(String block,
Map> mappings,
Map>> properties,
Map> fallback,
MinecraftVersion version) {
Map> defaultProperties
if (version >= MinecraftVersion.MINECRAFT_1_13) {
defaultProperties = properties[version]
} else {
defaultProperties = properties[MinecraftVersion.MINECRAFT_1_18_2]
}
String[] split = block.split("\\[")
String noArgBlock = split[0]
MinecraftVersion fallbackVersion = MinecraftVersion.MAXIMUM_VERSION
while (fallbackVersion != version) {
--fallbackVersion
noArgBlock = fallback[fallbackVersion].getOrDefault(noArgBlock, noArgBlock)
}
Map blockProperties = defaultProperties[noArgBlock]
String targetBlockID
if (blockProperties == null) {
targetBlockID = noArgBlock
} else {
Map currentProperties = new TreeMap<>(blockProperties)
if (split.length > 1) {
String[] args = split[1].split(",")
Map input = Arrays.stream(args)
.map(arg -> arg.replace("]", "").split("="))
.collect(Collectors.toMap(parts -> parts[0], parts -> parts[1]))
input.forEach({ key, value ->
if (currentProperties.containsKey(key)) {
currentProperties.put(key, value)
}
})
}
targetBlockID = noArgBlock + Arrays.toString(
currentProperties.collect({ k, v -> k + "=" + v }).toArray()
).replace(" ", "")
}
Integer id = mappings[version][targetBlockID]
if (id == null && blockProperties != null) {
targetBlockID = noArgBlock + Arrays.toString(
new TreeMap<>(blockProperties).collect({ k, v -> k + "=" + v }).toArray()
).replace(" ", "")
id = mappings[version][targetBlockID]
}
if (id == null) {
System.err.println("No ${version.getVersionName()} fallback data for ${noArgBlock}, replacing with minecraft:stone")
id = 1
}
return id
}
static Map getBlockMappings(Object data, Map> defaultPropertiesMap) {
Map mapping = new HashMap<>()
data.forEach({ blockID, blockData ->
for (Object blockState : blockData.states) {
int protocolID = blockState.id
if (blockState.containsKey("properties")) {
Map stateProperties = blockState["properties"]
Map properties = new TreeMap<>(
defaultPropertiesMap.getOrDefault(blockID, Collections.emptyMap()))
properties.putAll(stateProperties)
String stateID = blockID + Arrays.toString(
properties.collect({ k, v -> k + "=" + v }).toArray()
).replace(" ", "")
mapping.put(stateID, protocolID)
} else {
mapping.put(blockID, protocolID)
}
}
})
return mapping
}
void generateBlockMappings(File targetDir, Map blockReports) {
File defaultBlockPropertiesFile = new File(targetDir, "defaultblockproperties.json")
File blockStatesFile = new File(targetDir, "blockstates.json")
File blockStatesMappingFile = new File(targetDir, "blockstates_mapping.json")
File legacyBlocksFile = new File(targetDir, "legacyblocks.json")
if (checkIsCacheValid(defaultBlockPropertiesFile) || checkIsCacheValid(blockStatesFile)
|| checkIsCacheValid(blockStatesMappingFile) || checkIsCacheValid(legacyBlocksFile)) {
this.println("> Generating default block properties...")
Map>> defaultProperties =
blockReports.collectEntries({ version, report ->
[version, getDefaultProperties(report)]
})
defaultBlockPropertiesFile.write(JsonOutput.prettyPrint(
JsonOutput.toJson(defaultProperties[MinecraftVersion.MAXIMUM_VERSION].sort())), "UTF-8")
this.println("> Generating blockstates...")
Map> mappings = loadLegacyMapping(
new File(this.getProjectDir(), "mapping/legacyblockmapping.json"))
blockReports.forEach({ version, report ->
mappings.put(version, getBlockMappings(report, defaultProperties[version]))
})
Map blocks = mappings[MinecraftVersion.MAXIMUM_VERSION]
blockStatesFile.write(
JsonOutput.prettyPrint(JsonOutput.toJson(
blocks.sort(Map.Entry::getValue)
.collectEntries({ k, v -> [k, String.valueOf(v)] })
)), "UTF-8")
this.println("> Generating blockstates mapping...")
Map> fallbackMapping = loadFallbackMapping(
new File(this.getProjectDir(), "mapping/fallbackdata.json"))
Map> blockstateMapping = new LinkedHashMap<>()
blocks.sort(Map.Entry::getValue)
.forEach({ block, modernID ->
Map blockMapping = new LinkedHashMap<>()
int lastID = -1
for (MinecraftVersion version : MinecraftVersion.values()) {
int id = getBlockID(block, mappings, defaultProperties, fallbackMapping, version)
if (lastID != id) {
blockMapping.put(version.getVersionName(), String.valueOf(lastID = id))
}
}
blockstateMapping.put(String.valueOf(modernID), blockMapping)
})
blockStatesMappingFile.write(
JsonOutput.prettyPrint(JsonOutput.toJson(blockstateMapping)), "UTF-8")
this.println("> Generating legacy blocks...")
Map legacyData = new JsonSlurper().parse(
new File(this.getProjectDir(), "mapping/legacyblocks.json"))
legacyData = legacyData.collectEntries({ legacy, modern ->
[legacy, String.valueOf(getBlockID(modern, mappings, defaultProperties, fallbackMapping, MinecraftVersion.MAXIMUM_VERSION))]
})
legacyBlocksFile.write(
JsonOutput.prettyPrint(JsonOutput.toJson(legacyData)), "UTF-8")
}
}
static Map> sortRegistryMapping(Map> mapping) {
return mapping.collectEntries({ modernID, map ->
[modernID, map.sort({
if (it.getKey().contains(".")) {
return MinecraftVersion.fromVersionName(it.getKey())
} else {
return MinecraftVersion.MINIMUM_VERSION
}
})]
}).sort()
}
void generateRegistryMapping(String target, File targetDir, Map registriesReports) {
File targetFile = new File(targetDir, "${target}s.json");
File targetMappingFile = new File(targetDir, "${target}s_mapping.json");
if (checkIsCacheValid(targetFile) || checkIsCacheValid(targetMappingFile)) {
this.println("> Generating ${target}s...")
Map> idMap =
registriesReports.collectEntries({ version, registry ->
Object entries = registry["minecraft:${target}"].entries
return [version, entries.collectEntries({ name, id -> [name, String.valueOf(id["protocol_id"])] })]
})
Map modernIDs = Collections.max(idMap.entrySet(), Map.Entry.comparingByKey()).getValue()
targetFile.write(JsonOutput.prettyPrint(
JsonOutput.toJson(modernIDs.sort({Integer.parseInt(it.getValue()) }))), "UTF-8")
this.println("> Generating ${target}s mapping...")
Map> mapping = new JsonSlurper()
.parse(new File(this.getProjectDir(), "mapping/legacy_${target}s_mapping.json"))
.collectEntries({ key, value -> {
if (modernIDs[key] == null) {
throw new IllegalStateException("No modern id found for $key")
}
return [modernIDs[key], value]
} })
idMap.forEach({ version, ids ->
ids.forEach({ key, id ->
if (!modernIDs.containsKey(key)) {
return
}
mapping.computeIfAbsent(modernIDs[key], _ -> new LinkedHashMap<>()).put(version.getVersionName(), id)
})
})
mapping = sortRegistryMapping(mapping)
targetMappingFile.write(JsonOutput.prettyPrint(
JsonOutput.toJson(mapping.sort({ Integer.parseInt(it.getKey()) }))), "UTF-8")
}
}
void generateRegistryMappings(File targetDir, Map registriesReports) {
this.generateRegistryMapping("item", targetDir, registriesReports
.findAll({ e -> MinecraftVersion.WORLD_VERSIONS.contains(e.getKey()) }))
this.generateRegistryMapping("block", targetDir, registriesReports)
this.generateRegistryMapping("data_component_type", targetDir, registriesReports
.findAll({ e -> e.getKey() >= MinecraftVersion.MINECRAFT_1_20_5 }))
File blockEntitiesMappingFile = new File(targetDir, "blockentities_mapping.json");
if (checkIsCacheValid(blockEntitiesMappingFile)) {
this.println("> Generating blockentities mapping...")
Map> blockentities = new JsonSlurper()
.parse(new File(this.getProjectDir(), "mapping/legacy_blockentities_mapping.json"))
registriesReports.forEach({ version, registries ->
if (version < MinecraftVersion.MINECRAFT_1_19) {
return
}
registries["minecraft:block_entity_type"].entries.forEach({ key, value ->
int id = value.protocol_id
blockentities.computeIfAbsent(key, _ -> new LinkedHashMap<>())
.put(version.getVersionName(), String.valueOf(id))
})
})
blockentities = sortRegistryMapping(blockentities)
blockEntitiesMappingFile.write(
JsonOutput.prettyPrint(JsonOutput.toJson(blockentities)), "UTF-8")
}
}
static Map>> getTags(File tagDir, Map tagTypes) {
Map>> tags = new LinkedHashMap<>()
tagTypes.forEach({ directory, key ->
File directoryFile = new File(tagDir, directory)
if (!directoryFile.exists()) {
return
}
Map> typeTags = new HashMap<>()
Map> tempTags = new HashMap<>()
directoryFile.eachFileRecurse(FileType.FILES, { file ->
List values = new JsonSlurper().parse(file).values
Path relativePath = directoryFile.toPath().relativize(file.toPath())
String name = FilenameUtils.removeExtension(relativePath.toString()).replace(File.separatorChar, '/' as char)
typeTags.put("minecraft:" + name, values)
})
boolean flatten = false
while (!flatten) {
flatten = true
typeTags.forEach({ name, currentTags ->
List newTags = new ArrayList<>()
currentTags.forEach({ currentTag ->
if (currentTag.startsWith("#")) {
newTags.addAll(typeTags.get(currentTag.substring(1)))
flatten = false
} else {
newTags.add(currentTag)
}
})
tempTags.put(name, newTags)
})
typeTags = tempTags
tempTags = new HashMap<>()
}
tags.put(key, typeTags)
})
return tags
}
void generateTags(File targetDir, Map tagDirs) {
File tagsFile = new File(targetDir, "tags.json");
if (checkIsCacheValid(tagsFile)) {
this.println("> Generating tags...")
Map tagTypes = new JsonSlurper().parse(new File(getProjectDir(), "mapping/tag_types.json"))
Map>>> allTags =
tagDirs.collectEntries({ version, dir ->
[version, getTags(dir, tagTypes.tag_types)]
})
Map>> mergedTags = new LinkedHashMap<>()
allTags.forEach({ version, tags ->
tags.forEach({ type, typeTags -> {
Map> mergedTypeTags = mergedTags.computeIfAbsent(type, _ -> new HashMap<>())
typeTags.forEach({ name, values ->
Set mergedValues = mergedTypeTags.computeIfAbsent(name, _ -> new HashSet<>())
if (!tagTypes.supported_tag_types.contains(type)) {
return
}
mergedValues.addAll(values)
})
}})
})
mergedTags = mergedTags.collectEntries({ type, typeTags ->
[type, typeTags.collectEntries({ name, values ->
[name, values.sort()]
}).sort()]
})
tagsFile.write(JsonOutput.prettyPrint(JsonOutput.toJson(mergedTags)), "UTF-8")
}
}
tasks.register("generateMappings") {
dependsOn(downloadManifest)
File targetDir = new File(generatedDir, "mapping")
targetDir.mkdirs()
this.println("> Generating Minecraft data...")
Map generated = Arrays.stream(MinecraftVersion.values())
.dropWhile({ it < MinecraftVersion.MINECRAFT_1_13 })
.collect(Collectors.toMap(Function.identity(), this::generateData))
Map blockReports = generated.collectEntries({ version, directory ->
[version, new JsonSlurper().parse(new File(directory, "reports/blocks.json"))]
})
this.generateBlockMappings(targetDir, blockReports)
Map registriesReports = generated
.findAll({ it.getKey() >= MinecraftVersion.MINECRAFT_1_14 })
.collectEntries({ version, directory ->
[version, new JsonSlurper().parse(new File(directory, "reports/registries.json"))]
})
this.generateRegistryMappings(targetDir, registriesReports)
Map tags = generated
.collectEntries({ version, directory ->
[version, new File(directory, "data/minecraft/tags")]
})
this.generateTags(targetDir, tags)
}
processResources.dependsOn(generateMappings)
================================================
FILE: plugin/mapping/fallbackdata.json
================================================
{
"MINECRAFT_1_21_11": {
"minecraft:golden_dandelion": "minecraft:dandelion",
"minecraft:potted_golden_dandelion": "minecraft:potted_dandelion"
},
"MINECRAFT_1_21_7": {
"minecraft:acacia_shelf": "minecraft:acacia_planks",
"minecraft:bamboo_shelf": "minecraft:bamboo_planks",
"minecraft:birch_shelf": "minecraft:birch_planks",
"minecraft:cherry_shelf": "minecraft:cherry_planks",
"minecraft:crimson_shelf": "minecraft:crimson_planks",
"minecraft:dark_oak_shelf": "minecraft:dark_oak_planks",
"minecraft:jungle_shelf": "minecraft:jungle_planks",
"minecraft:mangrove_shelf": "minecraft:mangrove_planks",
"minecraft:oak_shelf": "minecraft:oak_planks",
"minecraft:pale_oak_shelf": "minecraft:oak_planks",
"minecraft:spruce_shelf": "minecraft:spruce_planks",
"minecraft:warped_shelf": "minecraft:warped_planks",
"minecraft:copper_chest": "minecraft:chest",
"minecraft:exposed_copper_chest": "minecraft:chest",
"minecraft:weathered_copper_chest": "minecraft:chest",
"minecraft:oxidized_copper_chest": "minecraft:chest",
"minecraft:waxed_copper_chest": "minecraft:chest",
"minecraft:waxed_exposed_copper_chest": "minecraft:chest",
"minecraft:waxed_weathered_copper_chest": "minecraft:chest",
"minecraft:waxed_oxidized_copper_chest": "minecraft:chest",
"minecraft:copper_golem_statue": "minecraft:copper_block",
"minecraft:exposed_copper_golem_statue": "minecraft:copper_block",
"minecraft:weathered_copper_golem_statue": "minecraft:copper_block",
"minecraft:oxidized_copper_golem_statue": "minecraft:copper_block",
"minecraft:waxed_copper_golem_statue": "minecraft:copper_block",
"minecraft:waxed_exposed_copper_golem_statue": "minecraft:copper_block",
"minecraft:waxed_weathered_copper_golem_statue": "minecraft:copper_block",
"minecraft:waxed_oxidized_copper_golem_statue": "minecraft:copper_block",
"minecraft:exposed_lightning_rod": "minecraft:lightning_rod",
"minecraft:weathered_lightning_rod": "minecraft:lightning_rod",
"minecraft:oxidized_lightning_rod": "minecraft:lightning_rod",
"minecraft:waxed_lightning_rod": "minecraft:lightning_rod",
"minecraft:waxed_exposed_lightning_rod": "minecraft:lightning_rod",
"minecraft:waxed_weathered_lightning_rod": "minecraft:lightning_rod",
"minecraft:waxed_oxidized_lightning_rod": "minecraft:lightning_rod",
"minecraft:copper_torch": "minecraft:soul_torch",
"minecraft:copper_wall_torch": "minecraft:soul_wall_torch",
"minecraft:copper_bars": "minecraft:iron_bars",
"minecraft:exposed_copper_bars": "minecraft:iron_bars",
"minecraft:weathered_copper_bars": "minecraft:iron_bars",
"minecraft:oxidized_copper_bars": "minecraft:iron_bars",
"minecraft:waxed_copper_bars": "minecraft:iron_bars",
"minecraft:waxed_exposed_copper_bars": "minecraft:iron_bars",
"minecraft:waxed_weathered_copper_bars": "minecraft:iron_bars",
"minecraft:waxed_oxidized_copper_bars": "minecraft:iron_bars",
"minecraft:copper_chain": "minecraft:chain",
"minecraft:exposed_copper_chain": "minecraft:chain",
"minecraft:weathered_copper_chain": "minecraft:chain",
"minecraft:oxidized_copper_chain": "minecraft:chain",
"minecraft:waxed_copper_chain": "minecraft:chain",
"minecraft:waxed_exposed_copper_chain": "minecraft:chain",
"minecraft:waxed_weathered_copper_chain": "minecraft:chain",
"minecraft:waxed_oxidized_copper_chain": "minecraft:chain",
"minecraft:copper_lantern": "minecraft:soul_lantern",
"minecraft:exposed_copper_lantern": "minecraft:soul_lantern",
"minecraft:weathered_copper_lantern": "minecraft:soul_lantern",
"minecraft:oxidized_copper_lantern": "minecraft:soul_lantern",
"minecraft:waxed_copper_lantern": "minecraft:soul_lantern",
"minecraft:waxed_exposed_copper_lantern": "minecraft:soul_lantern",
"minecraft:waxed_weathered_copper_lantern": "minecraft:soul_lantern",
"minecraft:waxed_oxidized_copper_lantern": "minecraft:soul_lantern",
"minecraft:iron_chain": "minecraft:chain"
},
"MINECRAFT_1_21_5": {
"minecraft:dried_ghast": "minecraft:chorus_plant"
},
"MINECRAFT_1_21_4": {
"minecraft:wildflowers": "minecraft:glow_lichen",
"minecraft:leaf_litter": "minecraft:glow_lichen",
"minecraft:test_block": "minecraft:structure_block",
"minecraft:test_instance_block": "minecraft:structure_block",
"minecraft:bush": "minecraft:short_grass",
"minecraft:firefly_bush": "minecraft:short_grass",
"minecraft:short_dry_grass": "minecraft:short_grass",
"minecraft:tall_dry_grass": "minecraft:short_grass",
"minecraft:cactus_flower": "minecraft:brain_coral_fan"
},
"MINECRAFT_1_21_2": {
"minecraft:resin_clump": "minecraft:glow_lichen",
"minecraft:resin_block": "minecraft:cut_copper",
"minecraft:resin_bricks": "minecraft:bricks",
"minecraft:resin_brick_stairs": "minecraft:brick_stairs",
"minecraft:resin_brick_slab": "minecraft:brick_slab",
"minecraft:resin_brick_wall": "minecraft:brick_wall",
"minecraft:chiseled_resin_bricks": "minecraft:chiseled_copper",
"minecraft:open_eyeblossom": "minecraft:torchflower",
"minecraft:closed_eyeblossom": "minecraft:cornflower",
"minecraft:potted_open_eyeblossom": "minecraft:potted_torchflower",
"minecraft:potted_closed_eyeblossom": "minecraft:potted_cornflower"
},
"MINECRAFT_1_21": {
"minecraft:pale_oak_wood": "minecraft:birch_wood",
"minecraft:pale_oak_planks": "minecraft:birch_planks",
"minecraft:pale_oak_sapling": "minecraft:birch_sapling",
"minecraft:pale_oak_log": "minecraft:birch_log",
"minecraft:stripped_pale_oak_log": "minecraft:stripped_birch_log",
"minecraft:stripped_pale_oak_wood": "minecraft:stripped_birch_wood",
"minecraft:pale_oak_leaves": "minecraft:birch_leaves",
"minecraft:creaking_heart": "minecraft:oak_wood",
"minecraft:pale_oak_sign": "minecraft:birch_sign",
"minecraft:pale_oak_wall_sign": "minecraft:birch_wall_sign",
"minecraft:pale_oak_hanging_sign": "minecraft:birch_hanging_sign",
"minecraft:pale_oak_wall_hanging_sign": "minecraft:birch_wall_hanging_sign",
"minecraft:pale_oak_pressure_plate": "minecraft:birch_pressure_plate",
"minecraft:pale_oak_trapdoor": "minecraft:birch_trapdoor",
"minecraft:potted_pale_oak_sapling": "minecraft:potted_birch_sapling",
"minecraft:pale_oak_button": "minecraft:birch_button",
"minecraft:pale_oak_stairs": "minecraft:birch_stairs",
"minecraft:pale_oak_slab": "minecraft:birch_slab",
"minecraft:pale_oak_fence_gate": "minecraft:birch_fence_gate",
"minecraft:pale_oak_fence": "minecraft:birch_fence",
"minecraft:pale_oak_door": "minecraft:birch_door",
"minecraft:pale_moss_block": "minecraft:moss_block",
"minecraft:pale_hanging_moss": "minecraft:hanging_roots",
"minecraft:pale_moss_carpet": "minecraft:moss_carpet"
},
"MINECRAFT_1_20_3": {
"minecraft:vault": "minecraft:spawner",
"minecraft:heavy_core": "minecraft:wither_skeleton_skull"
},
"MINECRAFT_1_20_2": {
"minecraft:short_grass": "minecraft:grass",
"minecraft:trial_spawner": "minecraft:spawner",
"minecraft:crafter": "minecraft:crafting_table",
"minecraft:copper_bulb": "minecraft:shroomlight",
"minecraft:exposed_copper_bulb": "minecraft:shroomlight",
"minecraft:weathered_copper_bulb": "minecraft:shroomlight",
"minecraft:oxidized_copper_bulb": "minecraft:shroomlight",
"minecraft:waxed_copper_bulb": "minecraft:shroomlight",
"minecraft:waxed_exposed_copper_bulb": "minecraft:shroomlight",
"minecraft:waxed_weathered_copper_bulb": "minecraft:shroomlight",
"minecraft:waxed_oxidized_copper_bulb": "minecraft:shroomlight",
"minecraft:copper_grate": "minecraft:iron_bars",
"minecraft:exposed_copper_grate": "minecraft:iron_bars",
"minecraft:weathered_copper_grate": "minecraft:iron_bars",
"minecraft:oxidized_copper_grate": "minecraft:iron_bars",
"minecraft:waxed_copper_grate": "minecraft:iron_bars",
"minecraft:waxed_exposed_copper_grate": "minecraft:iron_bars",
"minecraft:waxed_weathered_copper_grate": "minecraft:iron_bars",
"minecraft:waxed_oxidized_copper_grate": "minecraft:iron_bars",
"minecraft:copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:exposed_copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:weathered_copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:oxidized_copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:waxed_copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:waxed_exposed_copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:waxed_weathered_copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:waxed_oxidized_copper_trapdoor": "minecraft:iron_trapdoor",
"minecraft:copper_door": "minecraft:iron_door",
"minecraft:exposed_copper_door": "minecraft:iron_door",
"minecraft:weathered_copper_door": "minecraft:iron_door",
"minecraft:oxidized_copper_door": "minecraft:iron_door",
"minecraft:waxed_copper_door": "minecraft:iron_door",
"minecraft:waxed_exposed_copper_door": "minecraft:iron_door",
"minecraft:waxed_weathered_copper_door": "minecraft:iron_door",
"minecraft:waxed_oxidized_copper_door": "minecraft:iron_door",
"minecraft:tuff_wall": "minecraft:cobblestone_wall",
"minecraft:tuff_stairs": "minecraft:cobblestone_stairs",
"minecraft:tuff_slab": "minecraft:cobblestone_slab",
"minecraft:tuff_brick_wall": "minecraft:stone_brick_wall",
"minecraft:tuff_brick_stairs": "minecraft:stone_brick_stairs",
"minecraft:tuff_brick_slab": "minecraft:stone_brick_slab",
"minecraft:tuff_bricks": "minecraft:stone_bricks",
"minecraft:polished_tuff_wall": "minecraft:stone_brick_wall",
"minecraft:polished_tuff_stairs": "minecraft:stone_brick_stairs",
"minecraft:polished_tuff_slab": "minecraft:stone_brick_slab",
"minecraft:polished_tuff": "minecraft:smooth_stone",
"minecraft:chiseled_copper": "minecraft:copper_block",
"minecraft:exposed_chiseled_copper": "minecraft:exposed_copper",
"minecraft:weathered_chiseled_copper": "minecraft:exposed_copper",
"minecraft:oxidized_chiseled_copper": "minecraft:exposed_copper",
"minecraft:waxed_chiseled_copper": "minecraft:waxed_copper_block",
"minecraft:waxed_exposed_chiseled_copper": "minecraft:waxed_copper_block",
"minecraft:waxed_weathered_chiseled_copper": "minecraft:waxed_copper_block",
"minecraft:waxed_oxidized_chiseled_copper": "minecraft:waxed_copper_block",
"minecraft:chiseled_tuff": "minecraft:smooth_stone",
"minecraft:chiseled_tuff_bricks": "minecraft:stone_bricks"
},
"MINECRAFT_1_19_4": {
"minecraft:suspicious_gravel": "minecraft:gravel",
"minecraft:pitcher_crop": "minecraft:air",
"minecraft:pitcher_plant": "minecraft:air",
"minecraft:sniffer_egg": "minecraft:turtle_egg",
"minecraft:calibrated_sculk_sensor": "minecraft:sculk_sensor"
},
"MINECRAFT_1_19_3": {
"minecraft:cherry_planks": "minecraft:birch_planks",
"minecraft:cherry_sapling": "minecraft:birch_sapling",
"minecraft:suspicious_sand": "minecraft:sand",
"minecraft:cherry_log": "minecraft:birch_log",
"minecraft:stripped_cherry_log": "minecraft:stripped_birch_log",
"minecraft:cherry_wood": "minecraft:birch_wood",
"minecraft:stripped_cherry_wood": "minecraft:stripped_birch_wood",
"minecraft:cherry_leaves": "minecraft:birch_leaves",
"minecraft:torchflower": "minecraft:torch",
"minecraft:cherry_sign": "minecraft:birch_sign",
"minecraft:cherry_wall_sign": "minecraft:birch_wall_sign",
"minecraft:cherry_hanging_sign": "minecraft:birch_hanging_sign",
"minecraft:cherry_wall_hanging_sign": "minecraft:birch_wall_hanging_sign",
"minecraft:cherry_trapdoor": "minecraft:birch_trapdoor",
"minecraft:potted_torchflower": "minecraft:potted_poppy",
"minecraft:cherry_button": "minecraft:birch_button",
"minecraft:cherry_stairs": "minecraft:birch_stairs",
"minecraft:cherry_fence_gate": "minecraft:birch_fence_gate",
"minecraft:cherry_fence": "minecraft:birch_fence",
"minecraft:cherry_door": "minecraft:birch_door",
"minecraft:torchflower_crop": "minecraft:torch",
"minecraft:pink_petals": "minecraft:poppy",
"minecraft:cherry_pressure_plate": "minecraft:birch_pressure_plate",
"minecraft:potted_cherry_sapling": "minecraft:potted_birch_sapling",
"minecraft:cherry_slab": "minecraft:birch_slab",
"minecraft:decorated_pot": "minecraft:flower_pot"
},
"MINECRAFT_1_19_1": {
"minecraft:oak_hanging_sign": "minecraft:oak_sign",
"minecraft:spruce_hanging_sign": "minecraft:spruce_sign",
"minecraft:birch_hanging_sign": "minecraft:birch_sign",
"minecraft:acacia_hanging_sign": "minecraft:acacia_sign",
"minecraft:jungle_hanging_sign": "minecraft:jungle_sign",
"minecraft:dark_oak_hanging_sign": "minecraft:dark_oak_sign",
"minecraft:crimson_hanging_sign": "minecraft:crimson_sign",
"minecraft:warped_hanging_sign": "minecraft:warped_sign",
"minecraft:mangrove_hanging_sign": "minecraft:mangrove_sign",
"minecraft:bamboo_hanging_sign": "minecraft:birch_sign",
"minecraft:oak_wall_hanging_sign": "minecraft:oak_wall_sign",
"minecraft:spruce_wall_hanging_sign": "minecraft:spruce_wall_sign",
"minecraft:birch_wall_hanging_sign": "minecraft:birch_wall_sign",
"minecraft:acacia_wall_hanging_sign": "minecraft:acacia_wall_sign",
"minecraft:jungle_wall_hanging_sign": "minecraft:jungle_wall_sign",
"minecraft:dark_oak_wall_hanging_sign": "minecraft:dark_oak_wall_sign",
"minecraft:mangrove_wall_hanging_sign": "minecraft:mangrove_wall_sign",
"minecraft:crimson_wall_hanging_sign": "minecraft:crimson_wall_sign",
"minecraft:warped_wall_hanging_sign": "minecraft:warped_wall_sign",
"minecraft:bamboo_wall_hanging_sign": "minecraft:birch_wall_sign",
"minecraft:bamboo_door": "minecraft:birch_door",
"minecraft:bamboo_trapdoor": "minecraft:birch_trapdoor",
"minecraft:bamboo_button": "minecraft:birch_button",
"minecraft:bamboo_stairs": "minecraft:birch_stairs",
"minecraft:bamboo_mosaic_stairs": "minecraft:birch_stairs",
"minecraft:bamboo_slab": "minecraft:birch_slab",
"minecraft:bamboo_mosaic_slab": "minecraft:birch_slab",
"minecraft:bamboo_sign": "minecraft:birch_sign",
"minecraft:bamboo_wall_sign": "minecraft:birch_wall_sign",
"minecraft:bamboo_fence_gate": "minecraft:birch_fence_gate",
"minecraft:bamboo_fence": "minecraft:birch_fence",
"minecraft:bamboo_pressure_plate": "minecraft:birch_pressure_plate",
"minecraft:bamboo_planks": "minecraft:birch_planks",
"minecraft:bamboo_mosaic": "minecraft:birch_planks",
"minecraft:bamboo_block": "minecraft:birch_planks",
"minecraft:stripped_bamboo_block": "minecraft:birch_planks",
"minecraft:chiseled_bookshelf": "minecraft:bookshelf",
"minecraft:piglin_wall_head": "minecraft:zombie_wall_head",
"minecraft:piglin_head": "minecraft:zombie_head"
},
"MINECRAFT_1_18_2": {
"minecraft:ochre_froglight": "minecraft:sea_lantern",
"minecraft:pearlescent_froglight": "minecraft:sea_lantern",
"minecraft:verdant_froglight": "minecraft:sea_lantern",
"minecraft:frogspawn": "minecraft:air",
"minecraft:mangrove_planks": "minecraft:dark_oak_planks",
"minecraft:mangrove_propagule": "minecraft:dark_oak_sapling",
"minecraft:mangrove_log": "minecraft:dark_oak_log",
"minecraft:mangrove_roots": "minecraft:dark_oak_leaves",
"minecraft:muddy_mangrove_roots": "minecraft:coal_block",
"minecraft:stripped_mangrove_log": "minecraft:stripped_dark_oak_log",
"minecraft:mangrove_wood": "minecraft:dark_oak_wood",
"minecraft:stripped_mangrove_wood": "minecraft:stripped_dark_oak_wood",
"minecraft:mangrove_leaves": "minecraft:dark_oak_leaves",
"minecraft:mangrove_sign": "minecraft:dark_oak_sign",
"minecraft:mangrove_wall_sign": "minecraft:dark_oak_wall_sign",
"minecraft:mangrove_pressure_plate": "minecraft:dark_oak_pressure_plate",
"minecraft:mangrove_trapdoor": "minecraft:dark_oak_trapdoor",
"minecraft:potted_mangrove_propagule": "minecraft:potted_dark_oak_sapling",
"minecraft:mangrove_button": "minecraft:dark_oak_button",
"minecraft:mangrove_stairs": "minecraft:dark_oak_stairs",
"minecraft:mangrove_slab": "minecraft:dark_oak_slab",
"minecraft:mangrove_fence_gate": "minecraft:dark_oak_fence_gate",
"minecraft:mangrove_fence": "minecraft:dark_oak_fence",
"minecraft:mangrove_door": "minecraft:dark_oak_door",
"minecraft:mud": "minecraft:coal_block",
"minecraft:packed_mud": "minecraft:coarse_dirt",
"minecraft:mud_bricks": "minecraft:end_stone_bricks",
"minecraft:mud_brick_stairs": "minecraft:end_stone_brick_stairs",
"minecraft:mud_brick_slab": "minecraft:end_stone_brick_slab",
"minecraft:mud_brick_wall": "minecraft:end_stone_brick_wall",
"minecraft:reinforced_deepslate": "minecraft:deepslate",
"minecraft:sculk": "minecraft:obsidian",
"minecraft:sculk_catalyst": "minecraft:end_portal_frame",
"minecraft:sculk_shrieker": "minecraft:sculk_sensor",
"minecraft:sculk_vein": "minecraft:air"
},
"MINECRAFT_1_16_4": {
"minecraft:copper_ore": "minecraft:iron_ore",
"minecraft:copper_block": "minecraft:polished_granite",
"minecraft:cut_copper": "minecraft:red_sandstone",
"minecraft:cut_copper_stairs": "minecraft:red_sandstone_stairs",
"minecraft:cut_copper_slab": "minecraft:red_sandstone_slab",
"minecraft:exposed_copper": "minecraft:red_sandstone",
"minecraft:exposed_cut_copper": "minecraft:red_sandstone",
"minecraft:exposed_cut_copper_stairs": "minecraft:red_sandstone_stairs",
"minecraft:exposed_cut_copper_slab": "minecraft:red_sandstone_slab",
"minecraft:oxidized_copper": "minecraft:dark_prismarine",
"minecraft:oxidized_cut_copper": "minecraft:dark_prismarine",
"minecraft:oxidized_cut_copper_stairs": "minecraft:dark_prismarine_stairs",
"minecraft:oxidized_cut_copper_slab": "minecraft:dark_prismarine_slab",
"minecraft:weathered_copper": "minecraft:dark_prismarine",
"minecraft:weathered_cut_copper": "minecraft:dark_prismarine",
"minecraft:weathered_cut_copper_stairs": "minecraft:dark_prismarine_stairs",
"minecraft:weathered_cut_copper_slab": "minecraft:dark_prismarine_stairs",
"minecraft:waxed_copper_block": "minecraft:red_sandstone",
"minecraft:waxed_cut_copper": "minecraft:red_sandstone",
"minecraft:waxed_cut_copper_stairs": "minecraft:red_sandstone_stairs",
"minecraft:waxed_cut_copper_slab": "minecraft:red_sandstone_stairs",
"minecraft:waxed_weathered_copper": "minecraft:dark_prismarine",
"minecraft:waxed_weathered_cut_copper": "minecraft:dark_prismarine",
"minecraft:waxed_weathered_cut_copper_stairs": "minecraft:dark_prismarine_stairs",
"minecraft:waxed_weathered_cut_copper_slab": "minecraft:dark_prismarine_slab",
"minecraft:waxed_exposed_copper": "minecraft:polished_granite",
"minecraft:waxed_exposed_cut_copper": "minecraft:polished_granite",
"minecraft:waxed_exposed_cut_copper_stairs": "minecraft:polished_granite_stairs",
"minecraft:waxed_exposed_cut_copper_slab": "minecraft:polished_granite",
"minecraft:waxed_oxidized_copper": "minecraft:prismarine",
"minecraft:waxed_oxidized_cut_copper": "minecraft:prismarine",
"minecraft:waxed_oxidized_cut_copper_stairs": "minecraft:prismarine_stairs",
"minecraft:waxed_oxidized_cut_copper_slab": "minecraft:prismarine_slab",
"minecraft:candle": "minecraft:air",
"minecraft:lime_candle": "minecraft:air",
"minecraft:magenta_candle": "minecraft:air",
"minecraft:brown_candle": "minecraft:air",
"minecraft:cyan_candle": "minecraft:air",
"minecraft:purple_candle": "minecraft:air",
"minecraft:green_candle": "minecraft:air",
"minecraft:blue_candle": "minecraft:air",
"minecraft:red_candle": "minecraft:air",
"minecraft:white_candle": "minecraft:air",
"minecraft:yellow_candle": "minecraft:air",
"minecraft:light_blue_candle": "minecraft:air",
"minecraft:gray_candle": "minecraft:air",
"minecraft:light_gray_candle": "minecraft:air",
"minecraft:orange_candle": "minecraft:air",
"minecraft:black_candle": "minecraft:air",
"minecraft:pink_candle": "minecraft:air",
"minecraft:candle_cake": "minecraft:cake",
"minecraft:gray_candle_cake": "minecraft:cake",
"minecraft:lime_candle_cake": "minecraft:cake",
"minecraft:pink_candle_cake": "minecraft:cake",
"minecraft:red_candle_cake": "minecraft:cake",
"minecraft:light_gray_candle_cake": "minecraft:cake",
"minecraft:brown_candle_cake": "minecraft:cake",
"minecraft:light_blue_candle_cake": "minecraft:cake",
"minecraft:magenta_candle_cake": "minecraft:cake",
"minecraft:cyan_candle_cake": "minecraft:cake",
"minecraft:white_candle_cake": "minecraft:cake",
"minecraft:yellow_candle_cake": "minecraft:cake",
"minecraft:black_candle_cake": "minecraft:cake",
"minecraft:green_candle_cake": "minecraft:cake",
"minecraft:purple_candle_cake": "minecraft:cake",
"minecraft:blue_candle_cake": "minecraft:cake",
"minecraft:orange_candle_cake": "minecraft:cake",
"minecraft:potted_flowering_azalea_bush": "minecraft:potted_oak_sapling",
"minecraft:potted_azalea_bush": "minecraft:potted_oak_sapling",
"minecraft:sculk_sensor": "minecraft:daylight_detector",
"minecraft:flowering_azalea_leaves": "minecraft:oak_leaves",
"minecraft:flowering_azalea": "minecraft:oak_leaves",
"minecraft:azalea": "minecraft:oak_leaves",
"minecraft:azalea_leaves": "minecraft:oak_leaves",
"minecraft:deepslate": "minecraft:blackstone",
"minecraft:deepslate_tiles": "minecraft:blackstone",
"minecraft:cracked_deepslate_tiles": "minecraft:blackstone",
"minecraft:infested_deepslate": "minecraft:blackstone",
"minecraft:deepslate_bricks": "minecraft:polished_blackstone_bricks",
"minecraft:cracked_deepslate_bricks": "minecraft:cracked_polished_blackstone_bricks",
"minecraft:deepslate_tile_wall": "minecraft:blackstone_wall",
"minecraft:deepslate_tile_slab": "minecraft:blackstone_slab",
"minecraft:deepslate_tile_stairs": "minecraft:polished_blackstone_stairs",
"minecraft:deepslate_brick_wall": "minecraft:blackstone_wall",
"minecraft:deepslate_brick_slab": "minecraft:blackstone_slab",
"minecraft:deepslate_brick_stairs": "minecraft:polished_blackstone_stairs",
"minecraft:polished_deepslate": "minecraft:polished_blackstone",
"minecraft:polished_deepslate_wall": "minecraft:polished_blackstone_wall",
"minecraft:polished_deepslate_slab": "minecraft:polished_blackstone_slab",
"minecraft:polished_deepslate_stairs": "minecraft:polished_blackstone_stairs",
"minecraft:cobbled_deepslate": "minecraft:blackstone",
"minecraft:cobbled_deepslate_wall": "minecraft:blackstone_wall",
"minecraft:cobbled_deepslate_stairs": "minecraft:blackstone_stairs",
"minecraft:cobbled_deepslate_slab": "minecraft:blackstone_slab",
"minecraft:chiseled_deepslate": "minecraft:blackstone",
"minecraft:calcite": "minecraft:polished_diorite",
"minecraft:light": "minecraft:air",
"minecraft:pointed_dripstone": "minecraft:air",
"minecraft:dripstone_block": "minecraft:terracotta",
"minecraft:glow_lichen": "minecraft:air",
"minecraft:cave_vines": "minecraft:vine",
"minecraft:cave_vines_plant": "minecraft:tall_grass",
"minecraft:big_dripleaf": "minecraft:grass",
"minecraft:big_dripleaf_stem": "minecraft:tall_grass",
"minecraft:small_dripleaf": "minecraft:grass",
"minecraft:deepslate_iron_ore": "minecraft:iron_ore",
"minecraft:deepslate_copper_ore": "minecraft:iron_ore",
"minecraft:deepslate_emerald_ore": "minecraft:emerald_ore",
"minecraft:deepslate_diamond_ore": "minecraft:diamond_ore",
"minecraft:deepslate_coal_ore": "minecraft:coal_ore",
"minecraft:deepslate_gold_ore": "minecraft:gold_ore",
"minecraft:deepslate_redstone_ore": "minecraft:redstone_ore",
"minecraft:deepslate_lapis_ore": "minecraft:lapis_ore",
"minecraft:raw_gold_block": "minecraft:gold_block",
"minecraft:raw_iron_block": "minecraft:iron_block",
"minecraft:raw_copper_block": "minecraft:iron_block",
"minecraft:tuff": "minecraft:cobblestone",
"minecraft:amethyst_cluster": "minecraft:air",
"minecraft:small_amethyst_bud": "minecraft:air",
"minecraft:medium_amethyst_bud": "minecraft:air",
"minecraft:large_amethyst_bud": "minecraft:air",
"minecraft:budding_amethyst": "minecraft:purpur_block",
"minecraft:amethyst_block": "minecraft:purpur_block",
"minecraft:spore_blossom": "minecraft:air",
"minecraft:lightning_rod": "minecraft:granite_wall",
"minecraft:tinted_glass": "minecraft:black_stained_glass",
"minecraft:hanging_roots": "minecraft:air",
"minecraft:water_cauldron": "minecraft:cauldron",
"minecraft:powder_snow_cauldron": "minecraft:cauldron",
"minecraft:lava_cauldron": "minecraft:cauldron",
"minecraft:powder_snow": "minecraft:snow",
"minecraft:smooth_basalt": "minecraft:blackstone",
"minecraft:rooted_dirt": "minecraft:dirt",
"minecraft:moss_block": "minecraft:grass_block",
"minecraft:moss_carpet": "minecraft:lime_carpet",
"minecraft:dirt_path": "minecraft:grass_path"
},
"MINECRAFT_1_15_2": {
"minecraft:blackstone": "minecraft:stone",
"minecraft:gilded_blackstone": "minecraft:stone",
"minecraft:blackstone_stairs": "minecraft:stone_stairs",
"minecraft:blackstone_wall": "minecraft:cobblestone_wall",
"minecraft:blackstone_slab": "minecraft:stone_slab",
"minecraft:polished_blackstone": "minecraft:polished_andesite",
"minecraft:polished_blackstone_wall": "minecraft:cobblestone_wall",
"minecraft:polished_blackstone_stairs": "minecraft:stone_stairs",
"minecraft:polished_blackstone_slab": "minecraft:stone_slab",
"minecraft:polished_blackstone_button": "minecraft:stone_button",
"minecraft:polished_blackstone_pressure_plate": "minecraft:stone_pressure_plate",
"minecraft:polished_blackstone_bricks": "minecraft:stone_bricks",
"minecraft:polished_blackstone_brick_wall": "minecraft:stone_brick_wall",
"minecraft:polished_blackstone_brick_stairs": "minecraft:stone_brick_stairs",
"minecraft:polished_blackstone_brick_slab": "minecraft:stone_brick_slab",
"minecraft:cracked_polished_blackstone_bricks": "minecraft:cracked_stone_bricks",
"minecraft:chiseled_polished_blackstone": "minecraft:stone_bricks",
"minecraft:cracked_nether_bricks": "minecraft:nether_bricks",
"minecraft:chiseled_nether_bricks": "minecraft:nether_bricks",
"minecraft:crimson_trapdoor": "minecraft:acacia_trapdoor",
"minecraft:crimson_sign": "minecraft:acacia_sign",
"minecraft:crimson_planks": "minecraft:acacia_planks",
"minecraft:crimson_stairs": "minecraft:acacia_stairs",
"minecraft:crimson_wall_sign": "minecraft:acacia_wall_sign",
"minecraft:crimson_button": "minecraft:acacia_button",
"minecraft:crimson_fence": "minecraft:acacia_fence",
"minecraft:crimson_roots": "minecraft:fire_coral",
"minecraft:potted_crimson_roots": "minecraft:flower_pot",
"minecraft:stripped_crimson_stem": "minecraft:stripped_acacia_log",
"minecraft:crimson_fence_gate": "minecraft:acacia_fence_gate",
"minecraft:crimson_door": "minecraft:acacia_door",
"minecraft:stripped_crimson_hyphae": "minecraft:stripped_acacia_log",
"minecraft:crimson_hyphae": "minecraft:acacia_log",
"minecraft:crimson_stem": "minecraft:acacia_log",
"minecraft:crimson_fungus": "minecraft:red_mushroom",
"minecraft:potted_crimson_fungus": "minecraft:potted_red_mushroom",
"minecraft:crimson_slab": "minecraft:acacia_slab",
"minecraft:crimson_nylium": "minecraft:netherrack",
"minecraft:crimson_pressure_plate": "minecraft:acacia_pressure_plate",
"minecraft:warped_sign": "minecraft:oak_sign",
"minecraft:warped_wall_sign": "minecraft:oak_wall_sign",
"minecraft:warped_button": "minecraft:oak_button",
"minecraft:warped_fence": "minecraft:oak_fence",
"minecraft:warped_stairs": "minecraft:oak_stairs",
"minecraft:warped_door": "minecraft:oak_door",
"minecraft:warped_pressure_plate": "minecraft:oak_pressure_plate",
"minecraft:warped_fence_gate": "minecraft:oak_fence_gate",
"minecraft:warped_trapdoor": "minecraft:oak_trapdoor",
"minecraft:warped_slab": "minecraft:oak_slab",
"minecraft:stripped_warped_stem": "minecraft:stripped_oak_log",
"minecraft:warped_stem": "minecraft:oak_log",
"minecraft:warped_roots": "minecraft:air",
"minecraft:potted_warped_roots": "minecraft:flower_pot",
"minecraft:potted_warped_fungus": "minecraft:potted_brown_mushroom",
"minecraft:warped_hyphae": "minecraft:oak_log",
"minecraft:stripped_warped_hyphae": "minecraft:stripped_oak_log",
"minecraft:warped_fungus": "minecraft:brown_mushroom",
"minecraft:warped_planks": "minecraft:oak_planks",
"minecraft:warped_wart_block": "minecraft:oak_planks",
"minecraft:ancient_debris": "minecraft:jungle_log",
"minecraft:netherite_block": "minecraft:nether_bricks",
"minecraft:soul_wall_torch": "minecraft:wall_torch",
"minecraft:soul_torch": "minecraft:torch",
"minecraft:soul_lantern": "minecraft:lantern",
"minecraft:soul_campfire": "minecraft:campfire",
"minecraft:soul_fire": "minecraft:fire",
"minecraft:lodestone": "minecraft:polished_andesite",
"minecraft:chain": "minecraft:iron_bars",
"minecraft:respawn_anchor": "minecraft:furnace",
"minecraft:weeping_vines": "minecraft:fire_coral",
"minecraft:weeping_vines_plant": "minecraft:fire_coral",
"minecraft:twisting_vines": "minecraft:tube_coral",
"minecraft:twisting_vines_plant": "minecraft:tube_coral",
"minecraft:nether_sprouts": "minecraft:grass",
"minecraft:nether_gold_ore": "minecraft:netherrack",
"minecraft:crying_obsidian": "minecraft:obsidian",
"minecraft:shroomlight": "minecraft:glowstone",
"minecraft:warped_nylium": "minecraft:netherrack",
"minecraft:soul_soil": "minecraft:soul_sand",
"minecraft:target": "minecraft:quartz_block",
"minecraft:polished_basalt": "minecraft:stone",
"minecraft:basalt": "minecraft:cobblestone",
"minecraft:quartz_bricks": "minecraft:quartz_block"
},
"MINECRAFT_1_14_4": {
"minecraft:bee_nest": "minecraft:birch_planks",
"minecraft:beehive": "minecraft:birch_planks",
"minecraft:honeycomb_block": "minecraft:yellow_glazed_terracotta",
"minecraft:honey_block": "minecraft:yellow_stained_glass"
},
"MINECRAFT_1_13_2": {
"minecraft:lily_of_the_valley": "minecraft:white_tulip",
"minecraft:potted_lily_of_the_valley": "minecraft:potted_white_tulip",
"minecraft:composter": "minecraft:cauldron",
"minecraft:potted_cornflower": "minecraft:potted_blue_orchid",
"minecraft:potted_bamboo": "minecraft:flower_pot",
"minecraft:cartography_table": "minecraft:crafting_table",
"minecraft:cornflower": "minecraft:blue_orchid",
"minecraft:cut_sandstone_slab": "minecraft:sandstone_slab",
"minecraft:bamboo_sapling": "minecraft:air",
"minecraft:potted_wither_rose": "minecraft:potted_poppy",
"minecraft:granite_slab": "minecraft:cobblestone_slab",
"minecraft:smooth_sandstone_slab": "minecraft:stone_brick_slab",
"minecraft:polished_andesite_slab": "minecraft:stone_brick_slab",
"minecraft:wither_rose": "minecraft:poppy",
"minecraft:smoker": "minecraft:furnace",
"minecraft:mossy_stone_brick_slab": "minecraft:stone_slab",
"minecraft:sweet_berry_bush": "minecraft:grass",
"minecraft:andesite_slab": "minecraft:stone_slab",
"minecraft:lantern": "minecraft:glowstone",
"minecraft:fletching_table": "minecraft:crafting_table",
"minecraft:blast_furnace": "minecraft:furnace",
"minecraft:grindstone": "minecraft:furnace",
"minecraft:smooth_stone_slab": "minecraft:stone_slab",
"minecraft:red_nether_brick_slab": "minecraft:nether_brick_slab",
"minecraft:smithing_table": "minecraft:furnace",
"minecraft:end_stone_brick_slab": "minecraft:sandstone_slab",
"minecraft:mossy_cobblestone_slab": "minecraft:cobblestone_slab",
"minecraft:barrel": "minecraft:dark_oak_log",
"minecraft:polished_granite_slab": "minecraft:stone_slab",
"minecraft:cut_red_sandstone_slab": "minecraft:red_sandstone_slab",
"minecraft:diorite_slab": "minecraft:cobblestone_slab",
"minecraft:scaffolding": "minecraft:crafting_table",
"minecraft:polished_diorite_slab": "minecraft:stone_slab",
"minecraft:jungle_wall_sign": "minecraft:wall_sign",
"minecraft:stonecutter": "minecraft:furnace",
"minecraft:smooth_quartz_slab": "minecraft:quartz_slab",
"minecraft:loom": "minecraft:crafting_table",
"minecraft:oak_wall_sign": "minecraft:wall_sign",
"minecraft:smooth_red_sandstone_slab": "minecraft:red_sandstone_slab",
"minecraft:dark_oak_wall_sign": "minecraft:wall_sign",
"minecraft:spruce_wall_sign": "minecraft:wall_sign",
"minecraft:acacia_wall_sign": "minecraft:wall_sign",
"minecraft:smooth_sandstone_stairs": "minecraft:sandstone_stairs",
"minecraft:diorite_stairs": "minecraft:cobblestone_stairs",
"minecraft:bamboo": "minecraft:lime_stained_glass_pane",
"minecraft:red_nether_brick_stairs": "minecraft:nether_brick_stairs",
"minecraft:birch_wall_sign": "minecraft:wall_sign",
"minecraft:lectern": "minecraft:enchanting_table",
"minecraft:andesite_stairs": "minecraft:cobblestone_stairs",
"minecraft:polished_granite_stairs": "minecraft:cobblestone_stairs",
"minecraft:end_stone_brick_stairs": "minecraft:sandstone_stairs",
"minecraft:jigsaw": "minecraft:structure_block",
"minecraft:mossy_stone_brick_stairs": "minecraft:stone_brick_stairs",
"minecraft:sandstone_wall": "minecraft:cobblestone_wall",
"minecraft:polished_andesite_stairs": "minecraft:cobblestone_stairs",
"minecraft:jungle_sign": "minecraft:sign",
"minecraft:mossy_stone_brick_wall": "minecraft:cobblestone_wall",
"minecraft:campfire": "minecraft:torch",
"minecraft:mossy_cobblestone_stairs": "minecraft:cobblestone_stairs",
"minecraft:andesite_wall": "minecraft:cobblestone_wall",
"minecraft:polished_diorite_stairs": "minecraft:cobblestone_stairs",
"minecraft:smooth_red_sandstone_stairs": "minecraft:red_sandstone_stairs",
"minecraft:spruce_sign": "minecraft:sign",
"minecraft:nether_brick_wall": "minecraft:mossy_cobblestone_wall",
"minecraft:bell": "minecraft:gold_block",
"minecraft:acacia_sign": "minecraft:sign",
"minecraft:diorite_wall": "minecraft:sign",
"minecraft:birch_sign": "minecraft:sign",
"minecraft:dark_oak_sign": "minecraft:sign",
"minecraft:red_nether_brick_wall": "minecraft:mossy_cobblestone_wall",
"minecraft:stone_brick_wall": "minecraft:cobblestone_wall",
"minecraft:smooth_quartz_stairs": "minecraft:quartz_stairs",
"minecraft:brick_wall": "minecraft:cobblestone_wall",
"minecraft:end_stone_brick_wall": "minecraft:cobblestone_wall",
"minecraft:red_sandstone_wall": "minecraft:cobblestone_wall",
"minecraft:granite_stairs": "minecraft:cobblestone_stairs",
"minecraft:oak_sign": "minecraft:sign",
"minecraft:granite_wall": "minecraft:cobblestone_wall",
"minecraft:prismarine_wall": "minecraft:mossy_cobblestone_wall",
"minecraft:stone_stairs": "minecraft:cobblestone_stairs"
},
"MINECRAFT_1_13": {
"minecraft:dead_horn_coral": "minecraft:air",
"minecraft:dead_bubble_coral": "minecraft:air",
"minecraft:dead_tube_coral": "minecraft:air",
"minecraft:dead_brain_coral": "minecraft:air",
"minecraft:dead_fire_coral": "minecraft:air"
},
"MINECRAFT_1_12_2": {
"minecraft:grass_path": "minecraft:dirt_path",
"minecraft:sign": "minecraft:oak_sign",
"minecraft:wall_sign": "minecraft:oak_wall_sign"
}
}
================================================
FILE: plugin/mapping/legacy_blockentities_mapping.json
================================================
{
"minecraft:banner": {
"legacy": "18"
},
"minecraft:barrel": {
"legacy": "25"
},
"minecraft:beacon": {
"legacy": "13"
},
"minecraft:bed": {
"legacy": "23"
},
"minecraft:beehive": {
"legacy": "32"
},
"minecraft:bell": {
"legacy": "29"
},
"minecraft:blast_furnace": {
"legacy": "27"
},
"minecraft:brewing_stand": {
"legacy": "10"
},
"minecraft:campfire": {
"legacy": "31"
},
"minecraft:chest": {
"legacy": "1"
},
"minecraft:chiseled_bookshelf": {
"legacy": "36"
},
"minecraft:command_block": {
"legacy": "21"
},
"minecraft:comparator": {
"legacy": "17"
},
"minecraft:conduit": {
"legacy": "24"
},
"minecraft:daylight_detector": {
"legacy": "15"
},
"minecraft:dispenser": {
"legacy": "5"
},
"minecraft:dropper": {
"legacy": "6"
},
"minecraft:enchanting_table": {
"legacy": "11"
},
"minecraft:end_gateway": {
"legacy": "20"
},
"minecraft:end_portal": {
"legacy": "12"
},
"minecraft:ender_chest": {
"legacy": "3"
},
"minecraft:furnace": {
"legacy": "0"
},
"minecraft:hanging_sign": {
"legacy": "7"
},
"minecraft:hopper": {
"legacy": "16"
},
"minecraft:jigsaw": {
"legacy": "30"
},
"minecraft:jukebox": {
"legacy": "4"
},
"minecraft:lectern": {
"legacy": "28"
},
"minecraft:mob_spawner": {
"legacy": "8"
},
"minecraft:piston": {
"legacy": "9"
},
"minecraft:sculk_catalyst": {
"legacy": "34"
},
"minecraft:sculk_sensor": {
"legacy": "33"
},
"minecraft:sculk_shrieker": {
"legacy": "35"
},
"minecraft:shulker_box": {
"legacy": "22"
},
"minecraft:sign": {
"legacy": "7"
},
"minecraft:skull": {
"legacy": "14"
},
"minecraft:smoker": {
"legacy": "26"
},
"minecraft:structure_block": {
"legacy": "19"
},
"minecraft:trapped_chest": {
"legacy": "2"
}
}
================================================
FILE: plugin/mapping/legacy_blocks_mapping.json
================================================
{
"minecraft:acacia_button": {
"1.13": "288",
"1.13.2": "288"
},
"minecraft:acacia_door": {
"1.13": "461",
"1.13.2": "461"
},
"minecraft:acacia_fence": {
"1.13": "456",
"1.13.2": "456"
},
"minecraft:acacia_fence_gate": {
"1.13": "451",
"1.13.2": "451"
},
"minecraft:acacia_leaves": {
"1.13": "62",
"1.13.2": "62"
},
"minecraft:acacia_log": {
"1.13": "38",
"1.13.2": "38"
},
"minecraft:acacia_planks": {
"1.13": "17",
"1.13.2": "17"
},
"minecraft:acacia_pressure_plate": {
"1.13": "163",
"1.13.2": "163"
},
"minecraft:acacia_sapling": {
"1.13": "23",
"1.13.2": "23"
},
"minecraft:acacia_slab": {
"1.13": "432",
"1.13.2": "432"
},
"minecraft:acacia_stairs": {
"1.13": "351",
"1.13.2": "351"
},
"minecraft:acacia_trapdoor": {
"1.13": "206",
"1.13.2": "206"
},
"minecraft:acacia_wood": {
"1.13": "50",
"1.13.2": "50"
},
"minecraft:activator_rail": {
"1.13": "317",
"1.13.2": "317"
},
"minecraft:air": {
"1.13": "0",
"1.13.2": "0"
},
"minecraft:allium": {
"1.13": "121",
"1.13.2": "121"
},
"minecraft:andesite": {
"1.13": "6",
"1.13.2": "6"
},
"minecraft:anvil": {
"1.13": "302",
"1.13.2": "302"
},
"minecraft:attached_melon_stem": {
"1.13": "225",
"1.13.2": "225"
},
"minecraft:attached_pumpkin_stem": {
"1.13": "224",
"1.13.2": "224"
},
"minecraft:azure_bluet": {
"1.13": "122",
"1.13.2": "122"
},
"minecraft:barrier": {
"1.13": "354",
"1.13.2": "354"
},
"minecraft:beacon": {
"1.13": "257",
"1.13.2": "257"
},
"minecraft:bedrock": {
"1.13": "25",
"1.13.2": "25"
},
"minecraft:beetroots": {
"1.13": "470",
"1.13.2": "470"
},
"minecraft:birch_button": {
"1.13": "286",
"1.13.2": "286"
},
"minecraft:birch_door": {
"1.13": "459",
"1.13.2": "459"
},
"minecraft:birch_fence": {
"1.13": "454",
"1.13.2": "454"
},
"minecraft:birch_fence_gate": {
"1.13": "449",
"1.13.2": "449"
},
"minecraft:birch_leaves": {
"1.13": "60",
"1.13.2": "60"
},
"minecraft:birch_log": {
"1.13": "36",
"1.13.2": "36"
},
"minecraft:birch_planks": {
"1.13": "15",
"1.13.2": "15"
},
"minecraft:birch_pressure_plate": {
"1.13": "161",
"1.13.2": "161"
},
"minecraft:birch_sapling": {
"1.13": "21",
"1.13.2": "21"
},
"minecraft:birch_slab": {
"1.13": "430",
"1.13.2": "430"
},
"minecraft:birch_stairs": {
"1.13": "254",
"1.13.2": "254"
},
"minecraft:birch_trapdoor": {
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"1.13.2": "316"
},
"minecraft:rail": {
"1.13": "153",
"1.13.2": "153"
},
"minecraft:red_banner": {
"1.13": "406",
"1.13.2": "406"
},
"minecraft:red_bed": {
"1.13": "88",
"1.13.2": "88"
},
"minecraft:red_carpet": {
"1.13": "381",
"1.13.2": "381"
},
"minecraft:red_concrete": {
"1.13": "529",
"1.13.2": "529"
},
"minecraft:red_concrete_powder": {
"1.13": "545",
"1.13.2": "545"
},
"minecraft:red_glazed_terracotta": {
"1.13": "513",
"1.13.2": "513"
},
"minecraft:red_mushroom": {
"1.13": "129",
"1.13.2": "129"
},
"minecraft:red_mushroom_block": {
"1.13": "219",
"1.13.2": "219"
},
"minecraft:red_nether_bricks": {
"1.13": "478",
"1.13.2": "478"
},
"minecraft:red_sand": {
"1.13": "29",
"1.13.2": "29"
},
"minecraft:red_sandstone": {
"1.13": "424",
"1.13.2": "424"
},
"minecraft:red_sandstone_slab": {
"1.13": "442",
"1.13.2": "442"
},
"minecraft:red_sandstone_stairs": {
"1.13": "427",
"1.13.2": "427"
},
"minecraft:red_shulker_box": {
"1.13": "497",
"1.13.2": "497"
},
"minecraft:red_stained_glass": {
"1.13": "200",
"1.13.2": "200"
},
"minecraft:red_stained_glass_pane": {
"1.13": "349",
"1.13.2": "349"
},
"minecraft:red_terracotta": {
"1.13": "333",
"1.13.2": "333"
},
"minecraft:red_tulip": {
"1.13": "123",
"1.13.2": "123"
},
"minecraft:red_wall_banner": {
"1.13": "422",
"1.13.2": "422"
},
"minecraft:red_wool": {
"1.13": "115",
"1.13.2": "115"
},
"minecraft:redstone_block": {
"1.13": "310",
"1.13.2": "310"
},
"minecraft:redstone_lamp": {
"1.13": "245",
"1.13.2": "245"
},
"minecraft:redstone_ore": {
"1.13": "165",
"1.13.2": "165"
},
"minecraft:redstone_torch": {
"1.13": "166",
"1.13.2": "166"
},
"minecraft:redstone_wall_torch": {
"1.13": "167",
"1.13.2": "167"
},
"minecraft:redstone_wire": {
"1.13": "143",
"1.13.2": "143"
},
"minecraft:repeater": {
"1.13": "185",
"1.13.2": "185"
},
"minecraft:repeating_command_block": {
"1.13": "473",
"1.13.2": "473"
},
"minecraft:rose_bush": {
"1.13": "388",
"1.13.2": "388"
},
"minecraft:sand": {
"1.13": "28",
"1.13.2": "28"
},
"minecraft:sandstone": {
"1.13": "70",
"1.13.2": "70"
},
"minecraft:sandstone_slab": {
"1.13": "435",
"1.13.2": "435"
},
"minecraft:sandstone_stairs": {
"1.13": "247",
"1.13.2": "247"
},
"minecraft:sea_lantern": {
"1.13": "365",
"1.13.2": "365"
},
"minecraft:sea_pickle": {
"1.13": "586",
"1.13.2": "591"
},
"minecraft:seagrass": {
"1.13": "97",
"1.13.2": "97"
},
"minecraft:shulker_box": {
"1.13": "482",
"1.13.2": "482"
},
"minecraft:skeleton_skull": {
"1.13": "291",
"1.13.2": "291"
},
"minecraft:skeleton_wall_skull": {
"1.13": "290",
"1.13.2": "290"
},
"minecraft:slime_block": {
"1.13": "353",
"1.13.2": "353"
},
"minecraft:smooth_quartz": {
"1.13": "446",
"1.13.2": "446"
},
"minecraft:smooth_red_sandstone": {
"1.13": "447",
"1.13.2": "447"
},
"minecraft:smooth_sandstone": {
"1.13": "445",
"1.13.2": "445"
},
"minecraft:smooth_stone": {
"1.13": "444",
"1.13.2": "444"
},
"minecraft:smooth_stone_slab": {
"1.13": "434",
"1.13.2": "434"
},
"minecraft:snow": {
"1.13": "169",
"1.13.2": "169"
},
"minecraft:snow_block": {
"1.13": "171",
"1.13.2": "171"
},
"minecraft:soul_sand": {
"1.13": "179",
"1.13.2": "179"
},
"minecraft:spawner": {
"1.13": "140",
"1.13.2": "140"
},
"minecraft:sponge": {
"1.13": "64",
"1.13.2": "64"
},
"minecraft:spruce_button": {
"1.13": "285",
"1.13.2": "285"
},
"minecraft:spruce_door": {
"1.13": "458",
"1.13.2": "458"
},
"minecraft:spruce_fence": {
"1.13": "453",
"1.13.2": "453"
},
"minecraft:spruce_fence_gate": {
"1.13": "448",
"1.13.2": "448"
},
"minecraft:spruce_leaves": {
"1.13": "59",
"1.13.2": "59"
},
"minecraft:spruce_log": {
"1.13": "35",
"1.13.2": "35"
},
"minecraft:spruce_planks": {
"1.13": "14",
"1.13.2": "14"
},
"minecraft:spruce_pressure_plate": {
"1.13": "160",
"1.13.2": "160"
},
"minecraft:spruce_sapling": {
"1.13": "20",
"1.13.2": "20"
},
"minecraft:spruce_slab": {
"1.13": "429",
"1.13.2": "429"
},
"minecraft:spruce_stairs": {
"1.13": "253",
"1.13.2": "253"
},
"minecraft:spruce_trapdoor": {
"1.13": "203",
"1.13.2": "203"
},
"minecraft:spruce_wood": {
"1.13": "47",
"1.13.2": "47"
},
"minecraft:sticky_piston": {
"1.13": "92",
"1.13.2": "92"
},
"minecraft:stone": {
"1.13": "1",
"1.13.2": "1"
},
"minecraft:stone_brick_slab": {
"1.13": "439",
"1.13.2": "439"
},
"minecraft:stone_brick_stairs": {
"1.13": "231",
"1.13.2": "231"
},
"minecraft:stone_bricks": {
"1.13": "214",
"1.13.2": "214"
},
"minecraft:stone_button": {
"1.13": "168",
"1.13.2": "168"
},
"minecraft:stone_pressure_plate": {
"1.13": "157",
"1.13.2": "157"
},
"minecraft:stripped_acacia_log": {
"1.13": "43",
"1.13.2": "43"
},
"minecraft:stripped_acacia_wood": {
"1.13": "56",
"1.13.2": "56"
},
"minecraft:stripped_birch_log": {
"1.13": "41",
"1.13.2": "41"
},
"minecraft:stripped_birch_wood": {
"1.13": "54",
"1.13.2": "54"
},
"minecraft:stripped_dark_oak_log": {
"1.13": "44",
"1.13.2": "44"
},
"minecraft:stripped_dark_oak_wood": {
"1.13": "57",
"1.13.2": "57"
},
"minecraft:stripped_jungle_log": {
"1.13": "42",
"1.13.2": "42"
},
"minecraft:stripped_jungle_wood": {
"1.13": "55",
"1.13.2": "55"
},
"minecraft:stripped_oak_log": {
"1.13": "45",
"1.13.2": "45"
},
"minecraft:stripped_oak_wood": {
"1.13": "52",
"1.13.2": "52"
},
"minecraft:stripped_spruce_log": {
"1.13": "40",
"1.13.2": "40"
},
"minecraft:stripped_spruce_wood": {
"1.13": "53",
"1.13.2": "53"
},
"minecraft:structure_block": {
"1.13": "592",
"1.13.2": "597"
},
"minecraft:structure_void": {
"1.13": "480",
"1.13.2": "480"
},
"minecraft:sugar_cane": {
"1.13": "174",
"1.13.2": "174"
},
"minecraft:sunflower": {
"1.13": "386",
"1.13.2": "386"
},
"minecraft:tall_grass": {
"1.13": "390",
"1.13.2": "390"
},
"minecraft:tall_seagrass": {
"1.13": "98",
"1.13.2": "98"
},
"minecraft:terracotta": {
"1.13": "383",
"1.13.2": "383"
},
"minecraft:tnt": {
"1.13": "133",
"1.13.2": "133"
},
"minecraft:torch": {
"1.13": "137",
"1.13.2": "137"
},
"minecraft:trapped_chest": {
"1.13": "305",
"1.13.2": "305"
},
"minecraft:tripwire": {
"1.13": "251",
"1.13.2": "251"
},
"minecraft:tripwire_hook": {
"1.13": "250",
"1.13.2": "250"
},
"minecraft:tube_coral": {
"1.13": "561",
"1.13.2": "566"
},
"minecraft:tube_coral_block": {
"1.13": "556",
"1.13.2": "556"
},
"minecraft:tube_coral_fan": {
"1.13": "581",
"1.13.2": "586"
},
"minecraft:tube_coral_wall_fan": {
"1.13": "571",
"1.13.2": "576"
},
"minecraft:turtle_egg": {
"1.13": "550",
"1.13.2": "550"
},
"minecraft:vine": {
"1.13": "228",
"1.13.2": "228"
},
"minecraft:void_air": {
"1.13": "589",
"1.13.2": "594"
},
"minecraft:wall_torch": {
"1.13": "138",
"1.13.2": "138"
},
"minecraft:water": {
"1.13": "26",
"1.13.2": "26"
},
"minecraft:wet_sponge": {
"1.13": "65",
"1.13.2": "65"
},
"minecraft:wheat": {
"1.13": "147",
"1.13.2": "147"
},
"minecraft:white_banner": {
"1.13": "392",
"1.13.2": "392"
},
"minecraft:white_bed": {
"1.13": "74",
"1.13.2": "74"
},
"minecraft:white_carpet": {
"1.13": "367",
"1.13.2": "367"
},
"minecraft:white_concrete": {
"1.13": "515",
"1.13.2": "515"
},
"minecraft:white_concrete_powder": {
"1.13": "531",
"1.13.2": "531"
},
"minecraft:white_glazed_terracotta": {
"1.13": "499",
"1.13.2": "499"
},
"minecraft:white_shulker_box": {
"1.13": "483",
"1.13.2": "483"
},
"minecraft:white_stained_glass": {
"1.13": "186",
"1.13.2": "186"
},
"minecraft:white_stained_glass_pane": {
"1.13": "335",
"1.13.2": "335"
},
"minecraft:white_terracotta": {
"1.13": "319",
"1.13.2": "319"
},
"minecraft:white_tulip": {
"1.13": "125",
"1.13.2": "125"
},
"minecraft:white_wall_banner": {
"1.13": "408",
"1.13.2": "408"
},
"minecraft:white_wool": {
"1.13": "101",
"1.13.2": "101"
},
"minecraft:wither_skeleton_skull": {
"1.13": "293",
"1.13.2": "293"
},
"minecraft:wither_skeleton_wall_skull": {
"1.13": "292",
"1.13.2": "292"
},
"minecraft:yellow_banner": {
"1.13": "396",
"1.13.2": "396"
},
"minecraft:yellow_bed": {
"1.13": "78",
"1.13.2": "78"
},
"minecraft:yellow_carpet": {
"1.13": "371",
"1.13.2": "371"
},
"minecraft:yellow_concrete": {
"1.13": "519",
"1.13.2": "519"
},
"minecraft:yellow_concrete_powder": {
"1.13": "535",
"1.13.2": "535"
},
"minecraft:yellow_glazed_terracotta": {
"1.13": "503",
"1.13.2": "503"
},
"minecraft:yellow_shulker_box": {
"1.13": "487",
"1.13.2": "487"
},
"minecraft:yellow_stained_glass": {
"1.13": "190",
"1.13.2": "190"
},
"minecraft:yellow_stained_glass_pane": {
"1.13": "339",
"1.13.2": "339"
},
"minecraft:yellow_terracotta": {
"1.13": "323",
"1.13.2": "323"
},
"minecraft:yellow_wall_banner": {
"1.13": "412",
"1.13.2": "412"
},
"minecraft:yellow_wool": {
"1.13": "105",
"1.13.2": "105"
},
"minecraft:zombie_head": {
"1.13": "295",
"1.13.2": "295"
},
"minecraft:zombie_wall_head": {
"1.13": "294",
"1.13.2": "294"
}
}
================================================
FILE: plugin/mapping/legacy_data_component_types_mapping.json
================================================
{}
================================================
FILE: plugin/mapping/legacy_items_mapping.json
================================================
{
"minecraft:acacia_boat": {
"1.13": "762",
"1.13.2": "767"
},
"minecraft:acacia_button": {
"1.13": "245",
"1.13.2": "245"
},
"minecraft:acacia_door": {
"legacy": "430",
"1.13": "460",
"1.13.2": "465"
},
"minecraft:acacia_fence": {
"legacy": "192",
"1.13": "179",
"1.13.2": "179"
},
"minecraft:acacia_fence_gate": {
"legacy": "187",
"1.13": "214",
"1.13.2": "214"
},
"minecraft:acacia_leaves": {
"legacy": "161",
"1.13": "60",
"1.13.2": "60"
},
"minecraft:acacia_log": {
"legacy": "162",
"1.13": "36",
"1.13.2": "36"
},
"minecraft:acacia_planks": {
"1.13": "17",
"1.13.2": "17"
},
"minecraft:acacia_pressure_plate": {
"1.13": "164",
"1.13.2": "164"
},
"minecraft:acacia_sapling": {
"1.13": "23",
"1.13.2": "23"
},
"minecraft:acacia_slab": {
"1.13": "116",
"1.13.2": "116"
},
"minecraft:acacia_stairs": {
"legacy": "163",
"1.13": "301",
"1.13.2": "301"
},
"minecraft:acacia_trapdoor": {
"1.13": "191",
"1.13.2": "191"
},
"minecraft:acacia_wood": {
"1.13": "54",
"1.13.2": "54"
},
"minecraft:activator_rail": {
"legacy": "157",
"1.13": "261",
"1.13.2": "261"
},
"minecraft:air": {
"legacy": "0",
"1.13": "0",
"1.13.2": "0"
},
"minecraft:allium": {
"1.13": "101",
"1.13.2": "101"
},
"minecraft:andesite": {
"1.13": "6",
"1.13.2": "6"
},
"minecraft:anvil": {
"legacy": "145",
"1.13": "247",
"1.13.2": "247"
},
"minecraft:apple": {
"legacy": "260",
"1.13": "471",
"1.13.2": "476"
},
"minecraft:armor_stand": {
"legacy": "416",
"1.13": "721",
"1.13.2": "726"
},
"minecraft:arrow": {
"legacy": "262",
"1.13": "473",
"1.13.2": "478"
},
"minecraft:azure_bluet": {
"1.13": "102",
"1.13.2": "102"
},
"minecraft:baked_potato": {
"legacy": "393",
"1.13": "694",
"1.13.2": "699"
},
"minecraft:barrier": {
"legacy": "166",
"1.13": "279",
"1.13.2": "279"
},
"minecraft:bat_spawn_egg": {
"1.13": "634",
"1.13.2": "639"
},
"minecraft:beacon": {
"legacy": "138",
"1.13": "238",
"1.13.2": "238"
},
"minecraft:bedrock": {
"legacy": "7",
"1.13": "25",
"1.13.2": "25"
},
"minecraft:beef": {
"legacy": "363",
"1.13": "614",
"1.13.2": "619"
},
"minecraft:beetroot": {
"1.13": "749",
"1.13.2": "754"
},
"minecraft:beetroot_seeds": {
"1.13": "750",
"1.13.2": "755"
},
"minecraft:beetroot_soup": {
"1.13": "751",
"1.13.2": "756"
},
"minecraft:birch_boat": {
"1.13": "760",
"1.13.2": "765"
},
"minecraft:birch_button": {
"1.13": "243",
"1.13.2": "243"
},
"minecraft:birch_door": {
"legacy": "428",
"1.13": "458",
"1.13.2": "463"
},
"minecraft:birch_fence": {
"legacy": "189",
"1.13": "177",
"1.13.2": "177"
},
"minecraft:birch_fence_gate": {
"legacy": "184",
"1.13": "212",
"1.13.2": "212"
},
"minecraft:birch_leaves": {
"1.13": "58",
"1.13.2": "58"
},
"minecraft:birch_log": {
"1.13": "34",
"1.13.2": "34"
},
"minecraft:birch_planks": {
"1.13": "15",
"1.13.2": "15"
},
"minecraft:birch_pressure_plate": {
"1.13": "162",
"1.13.2": "162"
},
"minecraft:birch_sapling": {
"1.13": "21",
"1.13.2": "21"
},
"minecraft:birch_slab": {
"1.13": "114",
"1.13.2": "114"
},
"minecraft:birch_stairs": {
"legacy": "135",
"1.13": "235",
"1.13.2": "235"
},
"minecraft:birch_trapdoor": {
"1.13": "189",
"1.13.2": "189"
},
"minecraft:birch_wood": {
"1.13": "52",
"1.13.2": "52"
},
"minecraft:black_banner": {
"1.13": "745",
"1.13.2": "750"
},
"minecraft:black_bed": {
"1.13": "606",
"1.13.2": "611"
},
"minecraft:black_carpet": {
"1.13": "297",
"1.13.2": "297"
},
"minecraft:black_concrete": {
"1.13": "410",
"1.13.2": "410"
},
"minecraft:black_concrete_powder": {
"1.13": "426",
"1.13.2": "426"
},
"minecraft:black_glazed_terracotta": {
"1.13": "394",
"1.13.2": "394"
},
"minecraft:black_shulker_box": {
"1.13": "378",
"1.13.2": "378"
},
"minecraft:black_stained_glass": {
"1.13": "326",
"1.13.2": "326"
},
"minecraft:black_stained_glass_pane": {
"1.13": "342",
"1.13.2": "342"
},
"minecraft:black_terracotta": {
"1.13": "278",
"1.13.2": "278"
},
"minecraft:black_wool": {
"1.13": "97",
"1.13.2": "97"
},
"minecraft:blaze_powder": {
"legacy": "377",
"1.13": "628",
"1.13.2": "633"
},
"minecraft:blaze_rod": {
"legacy": "369",
"1.13": "620",
"1.13.2": "625"
},
"minecraft:blaze_spawn_egg": {
"1.13": "635",
"1.13.2": "640"
},
"minecraft:blue_banner": {
"1.13": "741",
"1.13.2": "746"
},
"minecraft:blue_bed": {
"1.13": "602",
"1.13.2": "607"
},
"minecraft:blue_carpet": {
"1.13": "293",
"1.13.2": "293"
},
"minecraft:blue_concrete": {
"1.13": "406",
"1.13.2": "406"
},
"minecraft:blue_concrete_powder": {
"1.13": "422",
"1.13.2": "422"
},
"minecraft:blue_glazed_terracotta": {
"1.13": "390",
"1.13.2": "390"
},
"minecraft:blue_ice": {
"1.13": "453",
"1.13.2": "458"
},
"minecraft:blue_orchid": {
"1.13": "100",
"1.13.2": "100"
},
"minecraft:blue_shulker_box": {
"1.13": "374",
"1.13.2": "374"
},
"minecraft:blue_stained_glass": {
"1.13": "322",
"1.13.2": "322"
},
"minecraft:blue_stained_glass_pane": {
"1.13": "338",
"1.13.2": "338"
},
"minecraft:blue_terracotta": {
"1.13": "274",
"1.13.2": "274"
},
"minecraft:blue_wool": {
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"1.13.2": "672"
},
"minecraft:slime_ball": {
"legacy": "341",
"1.13": "558",
"1.13.2": "563"
},
"minecraft:slime_block": {
"legacy": "165",
"1.13": "303",
"1.13.2": "303"
},
"minecraft:slime_spawn_egg": {
"1.13": "669",
"1.13.2": "674"
},
"minecraft:smooth_quartz": {
"1.13": "131",
"1.13.2": "131"
},
"minecraft:smooth_red_sandstone": {
"1.13": "132",
"1.13.2": "132"
},
"minecraft:smooth_sandstone": {
"1.13": "133",
"1.13.2": "133"
},
"minecraft:smooth_stone": {
"1.13": "134",
"1.13.2": "134"
},
"minecraft:smooth_stone_slab": {
"1.13.2": "118"
},
"minecraft:snow": {
"legacy": "80",
"1.13": "169",
"1.13.2": "169"
},
"minecraft:snow_block": {
"legacy": "78",
"1.13": "171",
"1.13.2": "171"
},
"minecraft:snowball": {
"legacy": "332",
"1.13": "543",
"1.13.2": "548"
},
"minecraft:soul_sand": {
"legacy": "88",
"1.13": "184",
"1.13.2": "184"
},
"minecraft:spawner": {
"legacy": "52",
"1.13": "147",
"1.13.2": "147"
},
"minecraft:spectral_arrow": {
"1.13": "754",
"1.13.2": "759"
},
"minecraft:spider_eye": {
"legacy": "375",
"1.13": "626",
"1.13.2": "631"
},
"minecraft:spider_spawn_egg": {
"1.13": "670",
"1.13.2": "675"
},
"minecraft:splash_potion": {
"1.13": "753",
"1.13.2": "758"
},
"minecraft:sponge": {
"legacy": "19",
"1.13": "62",
"1.13.2": "62"
},
"minecraft:spruce_boat": {
"1.13": "759",
"1.13.2": "764"
},
"minecraft:spruce_button": {
"1.13": "242",
"1.13.2": "242"
},
"minecraft:spruce_door": {
"legacy": "427",
"1.13": "457",
"1.13.2": "462"
},
"minecraft:spruce_fence": {
"legacy": "188",
"1.13": "176",
"1.13.2": "176"
},
"minecraft:spruce_fence_gate": {
"legacy": "183",
"1.13": "211",
"1.13.2": "211"
},
"minecraft:spruce_leaves": {
"1.13": "57",
"1.13.2": "57"
},
"minecraft:spruce_log": {
"1.13": "33",
"1.13.2": "33"
},
"minecraft:spruce_planks": {
"1.13": "14",
"1.13.2": "14"
},
"minecraft:spruce_pressure_plate": {
"1.13": "161",
"1.13.2": "161"
},
"minecraft:spruce_sapling": {
"1.13": "20",
"1.13.2": "20"
},
"minecraft:spruce_slab": {
"1.13": "113",
"1.13.2": "113"
},
"minecraft:spruce_stairs": {
"legacy": "134",
"1.13": "234",
"1.13.2": "234"
},
"minecraft:spruce_trapdoor": {
"1.13": "188",
"1.13.2": "188"
},
"minecraft:spruce_wood": {
"1.13": "51",
"1.13.2": "51"
},
"minecraft:squid_spawn_egg": {
"1.13": "671",
"1.13.2": "676"
},
"minecraft:stick": {
"legacy": "280",
"1.13": "492",
"1.13.2": "497"
},
"minecraft:sticky_piston": {
"legacy": "29",
"1.13": "74",
"1.13.2": "74"
},
"minecraft:stone": {
"legacy": "1",
"1.13": "1",
"1.13.2": "1"
},
"minecraft:stone_axe": {
"legacy": "275",
"1.13": "487",
"1.13.2": "492"
},
"minecraft:stone_brick_slab": {
"1.13": "123",
"1.13.2": "123"
},
"minecraft:stone_brick_stairs": {
"legacy": "109",
"1.13": "217",
"1.13.2": "217"
},
"minecraft:stone_bricks": {
"legacy": "98",
"1.13": "199",
"1.13.2": "199"
},
"minecraft:stone_button": {
"legacy": "77",
"1.13": "168",
"1.13.2": "168"
},
"minecraft:stone_hoe": {
"legacy": "291",
"1.13": "503",
"1.13.2": "508"
},
"minecraft:stone_pickaxe": {
"legacy": "274",
"1.13": "486",
"1.13.2": "491"
},
"minecraft:stone_pressure_plate": {
"legacy": "70",
"1.13": "159",
"1.13.2": "159"
},
"minecraft:stone_shovel": {
"legacy": "273",
"1.13": "485",
"1.13.2": "490"
},
"minecraft:stone_slab": {
"legacy": "182",
"1.13": "118"
},
"minecraft:stone_sword": {
"legacy": "272",
"1.13": "484",
"1.13.2": "489"
},
"minecraft:stray_spawn_egg": {
"1.13": "672",
"1.13.2": "677"
},
"minecraft:string": {
"legacy": "287",
"1.13": "499",
"1.13.2": "504"
},
"minecraft:stripped_acacia_log": {
"1.13": "42",
"1.13.2": "42"
},
"minecraft:stripped_acacia_wood": {
"1.13": "48",
"1.13.2": "48"
},
"minecraft:stripped_birch_log": {
"1.13": "40",
"1.13.2": "40"
},
"minecraft:stripped_birch_wood": {
"1.13": "46",
"1.13.2": "46"
},
"minecraft:stripped_dark_oak_log": {
"1.13": "43",
"1.13.2": "43"
},
"minecraft:stripped_dark_oak_wood": {
"1.13": "49",
"1.13.2": "49"
},
"minecraft:stripped_jungle_log": {
"1.13": "41",
"1.13.2": "41"
},
"minecraft:stripped_jungle_wood": {
"1.13": "47",
"1.13.2": "47"
},
"minecraft:stripped_oak_log": {
"1.13": "38",
"1.13.2": "38"
},
"minecraft:stripped_oak_wood": {
"1.13": "44",
"1.13.2": "44"
},
"minecraft:stripped_spruce_log": {
"1.13": "39",
"1.13.2": "39"
},
"minecraft:stripped_spruce_wood": {
"1.13": "45",
"1.13.2": "45"
},
"minecraft:structure_block": {
"1.13": "464",
"1.13.2": "469"
},
"minecraft:structure_void": {
"1.13": "360",
"1.13.2": "360"
},
"minecraft:sugar": {
"legacy": "353",
"1.13": "589",
"1.13.2": "594"
},
"minecraft:sugar_cane": {
"legacy": "338",
"1.13": "553",
"1.13.2": "558"
},
"minecraft:sunflower": {
"legacy": "175",
"1.13": "305",
"1.13.2": "305"
},
"minecraft:tall_grass": {
"legacy": "31",
"1.13": "309",
"1.13.2": "309"
},
"minecraft:terracotta": {
"1.13": "298",
"1.13.2": "298"
},
"minecraft:tipped_arrow": {
"1.13": "755",
"1.13.2": "760"
},
"minecraft:tnt": {
"legacy": "46",
"1.13": "136",
"1.13.2": "136"
},
"minecraft:tnt_minecart": {
"legacy": "407",
"1.13": "712",
"1.13.2": "717"
},
"minecraft:torch": {
"legacy": "50",
"1.13": "140",
"1.13.2": "140"
},
"minecraft:totem_of_undying": {
"1.13": "764",
"1.13.2": "769"
},
"minecraft:trapped_chest": {
"legacy": "146",
"1.13": "250",
"1.13.2": "250"
},
"minecraft:trident": {
"1.13": "781",
"1.13.2": "786"
},
"minecraft:tripwire_hook": {
"legacy": "131",
"1.13": "232",
"1.13.2": "232"
},
"minecraft:tropical_fish": {
"legacy": "349",
"1.13": "568",
"1.13.2": "573"
},
"minecraft:tropical_fish_bucket": {
"1.13": "550",
"1.13.2": "555"
},
"minecraft:tropical_fish_spawn_egg": {
"1.13": "673",
"1.13.2": "678"
},
"minecraft:tube_coral": {
"1.13": "438",
"1.13.2": "438"
},
"minecraft:tube_coral_block": {
"1.13": "433",
"1.13.2": "433"
},
"minecraft:tube_coral_fan": {
"1.13": "443",
"1.13.2": "448"
},
"minecraft:turtle_egg": {
"1.13": "427",
"1.13.2": "427"
},
"minecraft:turtle_helmet": {
"1.13": "465",
"1.13.2": "470"
},
"minecraft:turtle_spawn_egg": {
"1.13": "674",
"1.13.2": "679"
},
"minecraft:vex_spawn_egg": {
"1.13": "675",
"1.13.2": "680"
},
"minecraft:villager_spawn_egg": {
"1.13": "676",
"1.13.2": "681"
},
"minecraft:vindicator_spawn_egg": {
"1.13": "677",
"1.13.2": "682"
},
"minecraft:vine": {
"legacy": "106",
"1.13": "209",
"1.13.2": "209"
},
"minecraft:water_bucket": {
"legacy": "326",
"1.13": "538",
"1.13.2": "543"
},
"minecraft:wet_sponge": {
"1.13": "63",
"1.13.2": "63"
},
"minecraft:wheat": {
"legacy": "296",
"1.13": "508",
"1.13.2": "513"
},
"minecraft:wheat_seeds": {
"legacy": "295",
"1.13": "507",
"1.13.2": "512"
},
"minecraft:white_banner": {
"legacy": "425",
"1.13": "730",
"1.13.2": "735"
},
"minecraft:white_bed": {
"legacy": "355",
"1.13": "591",
"1.13.2": "596"
},
"minecraft:white_carpet": {
"legacy": "171",
"1.13": "282",
"1.13.2": "282"
},
"minecraft:white_concrete": {
"legacy": "159",
"1.13": "395",
"1.13.2": "395"
},
"minecraft:white_concrete_powder": {
"1.13": "411",
"1.13.2": "411"
},
"minecraft:white_glazed_terracotta": {
"1.13": "379",
"1.13.2": "379"
},
"minecraft:white_shulker_box": {
"1.13": "363",
"1.13.2": "363"
},
"minecraft:white_stained_glass": {
"legacy": "95",
"1.13": "311",
"1.13.2": "311"
},
"minecraft:white_stained_glass_pane": {
"legacy": "160",
"1.13": "327",
"1.13.2": "327"
},
"minecraft:white_terracotta": {
"1.13": "263",
"1.13.2": "263"
},
"minecraft:white_tulip": {
"1.13": "105",
"1.13.2": "105"
},
"minecraft:white_wool": {
"legacy": "35",
"1.13": "82",
"1.13.2": "82"
},
"minecraft:witch_spawn_egg": {
"1.13": "678",
"1.13.2": "683"
},
"minecraft:wither_skeleton_skull": {
"1.13": "699",
"1.13.2": "704"
},
"minecraft:wither_skeleton_spawn_egg": {
"1.13": "679",
"1.13.2": "684"
},
"minecraft:wolf_spawn_egg": {
"legacy": "383",
"1.13": "680",
"1.13.2": "685"
},
"minecraft:wooden_axe": {
"legacy": "271",
"1.13": "483",
"1.13.2": "488"
},
"minecraft:wooden_hoe": {
"legacy": "290",
"1.13": "502",
"1.13.2": "507"
},
"minecraft:wooden_pickaxe": {
"legacy": "270",
"1.13": "482",
"1.13.2": "487"
},
"minecraft:wooden_shovel": {
"legacy": "269",
"1.13": "481",
"1.13.2": "486"
},
"minecraft:wooden_sword": {
"legacy": "268",
"1.13": "480",
"1.13.2": "485"
},
"minecraft:writable_book": {
"legacy": "386",
"1.13": "687",
"1.13.2": "692"
},
"minecraft:written_book": {
"legacy": "387",
"1.13": "688",
"1.13.2": "693"
},
"minecraft:yellow_banner": {
"1.13": "734",
"1.13.2": "739"
},
"minecraft:yellow_bed": {
"1.13": "595",
"1.13.2": "600"
},
"minecraft:yellow_carpet": {
"1.13": "286",
"1.13.2": "286"
},
"minecraft:yellow_concrete": {
"1.13": "399",
"1.13.2": "399"
},
"minecraft:yellow_concrete_powder": {
"1.13": "415",
"1.13.2": "415"
},
"minecraft:yellow_dye": {
"1.13.2": "588"
},
"minecraft:yellow_glazed_terracotta": {
"1.13": "383",
"1.13.2": "383"
},
"minecraft:yellow_shulker_box": {
"1.13": "367",
"1.13.2": "367"
},
"minecraft:yellow_stained_glass": {
"1.13": "315",
"1.13.2": "315"
},
"minecraft:yellow_stained_glass_pane": {
"1.13": "331",
"1.13.2": "331"
},
"minecraft:yellow_terracotta": {
"1.13": "267",
"1.13.2": "267"
},
"minecraft:yellow_wool": {
"1.13": "86",
"1.13.2": "86"
},
"minecraft:zombie_head": {
"1.13": "701",
"1.13.2": "706"
},
"minecraft:zombie_horse_spawn_egg": {
"1.13": "682",
"1.13.2": "687"
},
"minecraft:zombie_spawn_egg": {
"1.13": "681",
"1.13.2": "686"
},
"minecraft:zombie_villager_spawn_egg": {
"1.13": "684",
"1.13.2": "689"
}
}
================================================
FILE: plugin/mapping/legacyblockmapping.json
================================================
[File too large to display: 24.2 MB]
================================================
FILE: plugin/mapping/legacyblocks.json
================================================
{
"0": "minecraft:air",
"1": "minecraft:stone",
"2": "minecraft:grass_block",
"3": "minecraft:dirt",
"4": "minecraft:cobblestone",
"5": "minecraft:oak_planks",
"6": "minecraft:oak_sapling",
"7": "minecraft:bedrock",
"8": "minecraft:water",
"9": "minecraft:water",
"10": "minecraft:lava",
"11": "minecraft:lava",
"12": "minecraft:sand",
"13": "minecraft:gravel",
"14": "minecraft:gold_ore",
"15": "minecraft:iron_ore",
"16": "minecraft:coal_ore",
"17": "minecraft:oak_log",
"18": "minecraft:oak_leaves",
"19": "minecraft:sponge",
"20": "minecraft:glass",
"21": "minecraft:lapis_ore",
"22": "minecraft:lapis_block",
"23": "minecraft:dispenser",
"24": "minecraft:sandstone",
"25": "minecraft:note_block",
"26": "minecraft:red_bed",
"27": "minecraft:powered_rail",
"28": "minecraft:detector_rail",
"29": "minecraft:sticky_piston",
"30": "minecraft:cobweb",
"31": "minecraft:short_grass",
"32": "minecraft:dead_bush",
"33": "minecraft:piston",
"34": "minecraft:piston_head",
"35": "minecraft:white_wool",
"37": "minecraft:dandelion",
"38": "minecraft:poppy",
"39": "minecraft:brown_mushroom",
"40": "minecraft:red_mushroom",
"41": "minecraft:gold_block",
"42": "minecraft:iron_block",
"43": "minecraft:stone_slab[type=double]",
"44": "minecraft:stone_slab",
"45": "minecraft:bricks",
"46": "minecraft:tnt",
"47": "minecraft:bookshelf",
"48": "minecraft:mossy_cobblestone",
"49": "minecraft:obsidian",
"50": "minecraft:torch",
"51": "minecraft:fire",
"52": "minecraft:spawner",
"53": "minecraft:oak_stairs",
"54": "minecraft:chest",
"55": "minecraft:redstone_wire",
"56": "minecraft:diamond_ore",
"57": "minecraft:diamond_block",
"58": "minecraft:crafting_table",
"59": "minecraft:wheat",
"60": "minecraft:farmland",
"61": "minecraft:furnace",
"62": "minecraft:furnace[lit=true]",
"63": "minecraft:oak_sign",
"64": "minecraft:oak_door",
"65": "minecraft:ladder",
"66": "minecraft:rail",
"67": "minecraft:cobblestone_stairs",
"68": "minecraft:oak_wall_sign",
"69": "minecraft:lever",
"70": "minecraft:stone_pressure_plate",
"71": "minecraft:iron_door",
"72": "minecraft:oak_pressure_plate",
"73": "minecraft:redstone_ore",
"74": "minecraft:redstone_ore[lit=true]",
"75": "minecraft:redstone_torch[lit=false]",
"76": "minecraft:redstone_torch",
"77": "minecraft:stone_button",
"78": "minecraft:snow",
"79": "minecraft:ice",
"80": "minecraft:snow_block",
"81": "minecraft:cactus",
"82": "minecraft:clay",
"83": "minecraft:sugar_cane",
"84": "minecraft:jukebox",
"85": "minecraft:oak_fence",
"86": "minecraft:pumpkin",
"87": "minecraft:netherrack",
"88": "minecraft:soul_sand",
"89": "minecraft:glowstone",
"90": "minecraft:nether_portal",
"91": "minecraft:jack_o_lantern",
"92": "minecraft:cake",
"93": "minecraft:repeater",
"94": "minecraft:repeater[powered=true]",
"95": "minecraft:white_stained_glass",
"96": "minecraft:oak_trapdoor",
"98": "minecraft:stone_bricks",
"99": "minecraft:brown_mushroom_block",
"100": "minecraft:red_mushroom_block",
"101": "minecraft:iron_bars",
"102": "minecraft:glass_pane",
"103": "minecraft:melon",
"104": "minecraft:pumpkin_stem",
"105": "minecraft:melon_stem",
"106": "minecraft:vine",
"107": "minecraft:oak_fence_gate",
"108": "minecraft:brick_stairs",
"109": "minecraft:stone_brick_stairs",
"110": "minecraft:mycelium",
"111": "minecraft:lily_pad",
"112": "minecraft:nether_bricks",
"113": "minecraft:nether_brick_fence",
"114": "minecraft:nether_brick_stairs",
"115": "minecraft:nether_wart",
"116": "minecraft:enchanting_table",
"117": "minecraft:brewing_stand",
"118": "minecraft:cauldron",
"119": "minecraft:end_portal",
"120": "minecraft:end_portal_frame",
"121": "minecraft:end_stone",
"122": "minecraft:dragon_egg",
"123": "minecraft:redstone_lamp",
"124": "minecraft:redstone_lamp[lit=true]",
"125": "minecraft:oak_slab[type=double]",
"126": "minecraft:oak_slab",
"127": "minecraft:cocoa",
"128": "minecraft:sandstone_stairs",
"129": "minecraft:emerald_ore",
"130": "minecraft:ender_chest",
"131": "minecraft:tripwire_hook",
"132": "minecraft:tripwire",
"133": "minecraft:emerald_block",
"134": "minecraft:spruce_stairs",
"135": "minecraft:birch_stairs",
"136": "minecraft:jungle_stairs",
"137": "minecraft:command_block",
"138": "minecraft:beacon",
"139": "minecraft:cobblestone_wall",
"140": "minecraft:flower_pot",
"141": "minecraft:carrots",
"142": "minecraft:potatoes",
"143": "minecraft:oak_button",
"144": "minecraft:skeleton_skull",
"145": "minecraft:anvil",
"146": "minecraft:trapped_chest",
"147": "minecraft:light_weighted_pressure_plate",
"148": "minecraft:heavy_weighted_pressure_plate",
"149": "minecraft:comparator",
"150": "minecraft:comparator[powered=true]",
"151": "minecraft:daylight_detector",
"152": "minecraft:redstone_block",
"153": "minecraft:nether_quartz_ore",
"154": "minecraft:hopper",
"155": "minecraft:quartz_block",
"156": "minecraft:quartz_stairs",
"157": "minecraft:activator_rail",
"158": "minecraft:dropper",
"159": "minecraft:white_terracotta",
"160": "minecraft:white_stained_glass_pane",
"161": "minecraft:acacia_leaves",
"162": "minecraft:acacia_log",
"163": "minecraft:acacia_stairs",
"164": "minecraft:dark_oak_stairs",
"165": "minecraft:slime_block",
"166": "minecraft:barrier",
"167": "minecraft:iron_trapdoor",
"168": "minecraft:prismarine",
"169": "minecraft:sea_lantern",
"170": "minecraft:hay_block",
"171": "minecraft:white_carpet",
"172": "minecraft:terracotta",
"173": "minecraft:coal_block",
"174": "minecraft:packed_ice",
"175": "minecraft:sunflower",
"176": "minecraft:white_banner",
"177": "minecraft:white_wall_banner",
"178": "minecraft:daylight_detector[inverted=true]",
"179": "minecraft:red_sandstone",
"180": "minecraft:red_sandstone_stairs",
"181": "minecraft:red_sandstone_slab[type=double]",
"182": "minecraft:red_sandstone_slab",
"183": "minecraft:spruce_fence_gate",
"184": "minecraft:birch_fence_gate",
"185": "minecraft:jungle_fence_gate",
"186": "minecraft:dark_oak_fence_gate",
"187": "minecraft:acacia_fence_gate",
"188": "minecraft:spruce_fence",
"189": "minecraft:birch_fence",
"190": "minecraft:jungle_fence",
"191": "minecraft:dark_oak_fence",
"192": "minecraft:acacia_fence",
"193": "minecraft:spruce_door",
"194": "minecraft:birch_door",
"195": "minecraft:jungle_door",
"196": "minecraft:acacia_door",
"197": "minecraft:dark_oak_door",
"198": "minecraft:end_rod",
"199": "minecraft:chorus_plant",
"200": "minecraft:chorus_flower",
"201": "minecraft:purpur_block",
"202": "minecraft:purpur_pillar",
"203": "minecraft:purpur_stairs",
"204": "minecraft:purpur_slab[type=double]",
"205": "minecraft:purpur_slab",
"206": "minecraft:end_stone_bricks",
"207": "minecraft:beetroots",
"208": "minecraft:dirt_path",
"209": "minecraft:end_gateway",
"210": "minecraft:repeating_command_block",
"211": "minecraft:chain_command_block",
"212": "minecraft:frosted_ice",
"213": "minecraft:magma_block",
"214": "minecraft:nether_wart_block",
"215": "minecraft:red_nether_bricks",
"216": "minecraft:bone_block",
"217": "minecraft:structure_void",
"218": "minecraft:observer",
"219": "minecraft:white_shulker_box",
"220": "minecraft:orange_shulker_box",
"221": "minecraft:magenta_shulker_box",
"222": "minecraft:light_blue_shulker_box",
"223": "minecraft:yellow_shulker_box",
"224": "minecraft:lime_shulker_box",
"225": "minecraft:pink_shulker_box",
"226": "minecraft:gray_shulker_box",
"227": "minecraft:light_gray_shulker_box",
"228": "minecraft:cyan_shulker_box",
"229": "minecraft:purple_shulker_box",
"230": "minecraft:blue_shulker_box",
"231": "minecraft:brown_shulker_box",
"232": "minecraft:green_shulker_box",
"233": "minecraft:red_shulker_box",
"234": "minecraft:black_shulker_box",
"235": "minecraft:white_glazed_terracotta",
"236": "minecraft:orange_glazed_terracotta",
"237": "minecraft:magenta_glazed_terracotta",
"238": "minecraft:light_blue_glazed_terracotta",
"239": "minecraft:yellow_glazed_terracotta",
"240": "minecraft:lime_glazed_terracotta",
"241": "minecraft:pink_glazed_terracotta",
"242": "minecraft:gray_glazed_terracotta",
"243": "minecraft:light_gray_glazed_terracotta",
"244": "minecraft:cyan_glazed_terracotta",
"245": "minecraft:purple_glazed_terracotta",
"246": "minecraft:blue_glazed_terracotta",
"247": "minecraft:brown_glazed_terracotta",
"248": "minecraft:green_glazed_terracotta",
"249": "minecraft:red_glazed_terracotta",
"250": "minecraft:black_glazed_terracotta",
"251": "minecraft:white_concrete",
"252": "minecraft:white_concrete_powder",
"253": "minecraft:air",
"254": "minecraft:air",
"255": "minecraft:structure_block"
}
================================================
FILE: plugin/mapping/tag_types.json
================================================
{
"tag_types": {
"blocks": "minecraft:block",
"entity_types": "minecraft:entity_type",
"fluids": "minecraft:fluid",
"game_events": "minecraft:game_event",
"items": "minecraft:item",
"damage_type": "minecraft:damage_type",
"banner_pattern": "minecraft:banner_pattern"
},
"supported_tag_types": [
"minecraft:block",
"minecraft:item",
"minecraft:fluid"
]
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/LimboAPI.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi;
import com.google.inject.Inject;
import com.velocitypowered.api.event.PostOrder;
import com.velocitypowered.api.event.Subscribe;
import com.velocitypowered.api.event.player.KickedFromServerEvent;
import com.velocitypowered.api.event.proxy.ProxyInitializeEvent;
import com.velocitypowered.api.network.ProtocolVersion;
import com.velocitypowered.api.plugin.Plugin;
import com.velocitypowered.api.plugin.annotation.DataDirectory;
import com.velocitypowered.api.proxy.Player;
import com.velocitypowered.api.proxy.ProxyServer;
import com.velocitypowered.api.proxy.server.RegisteredServer;
import com.velocitypowered.natives.compression.VelocityCompressor;
import com.velocitypowered.natives.util.Natives;
import com.velocitypowered.proxy.VelocityServer;
import com.velocitypowered.proxy.connection.MinecraftConnection;
import com.velocitypowered.proxy.connection.MinecraftSessionHandler;
import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
import com.velocitypowered.proxy.event.VelocityEventManager;
import com.velocitypowered.proxy.network.Connections;
import com.velocitypowered.proxy.protocol.MinecraftPacket;
import com.velocitypowered.proxy.protocol.ProtocolUtils;
import com.velocitypowered.proxy.protocol.StateRegistry;
import com.velocitypowered.proxy.protocol.netty.MinecraftCompressDecoder;
import com.velocitypowered.proxy.protocol.netty.MinecraftCompressorAndLengthEncoder;
import com.velocitypowered.proxy.protocol.netty.MinecraftDecoder;
import com.velocitypowered.proxy.protocol.netty.MinecraftEncoder;
import com.velocitypowered.proxy.protocol.netty.MinecraftVarintLengthEncoder;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelPipeline;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
import net.elytrium.commons.config.YamlConfig;
import net.elytrium.commons.kyori.serialization.Serializer;
import net.elytrium.commons.kyori.serialization.Serializers;
import net.elytrium.commons.utils.reflection.ReflectionException;
import net.elytrium.commons.utils.updates.UpdatesChecker;
import net.elytrium.fastprepare.PreparedPacketFactory;
import net.elytrium.fastprepare.handler.PreparedPacketEncoder;
import net.elytrium.limboapi.api.Limbo;
import net.elytrium.limboapi.api.LimboFactory;
import net.elytrium.limboapi.api.chunk.BuiltInBiome;
import net.elytrium.limboapi.api.chunk.Dimension;
import net.elytrium.limboapi.api.chunk.VirtualBiome;
import net.elytrium.limboapi.api.chunk.VirtualBlock;
import net.elytrium.limboapi.api.chunk.VirtualBlockEntity;
import net.elytrium.limboapi.api.chunk.VirtualChunk;
import net.elytrium.limboapi.api.chunk.VirtualWorld;
import net.elytrium.limboapi.api.file.BuiltInWorldFileType;
import net.elytrium.limboapi.api.file.WorldFile;
import net.elytrium.limboapi.api.material.Block;
import net.elytrium.limboapi.api.material.Item;
import net.elytrium.limboapi.api.material.VirtualItem;
import net.elytrium.limboapi.api.protocol.PreparedPacket;
import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
import net.elytrium.limboapi.api.protocol.packets.PacketFactory;
import net.elytrium.limboapi.file.WorldFileTypeRegistry;
import net.elytrium.limboapi.injection.disconnect.DisconnectListener;
import net.elytrium.limboapi.injection.event.EventManagerHook;
import net.elytrium.limboapi.injection.login.LoginListener;
import net.elytrium.limboapi.injection.login.LoginTasksQueue;
import net.elytrium.limboapi.injection.packet.LegacyPlayerListItemHook;
import net.elytrium.limboapi.injection.packet.LimboCompressDecoder;
import net.elytrium.limboapi.injection.packet.MinecraftDiscardCompressDecoder;
import net.elytrium.limboapi.injection.packet.MinecraftLimitedCompressDecoder;
import net.elytrium.limboapi.injection.packet.PreparedPacketImpl;
import net.elytrium.limboapi.injection.packet.RemovePlayerInfoHook;
import net.elytrium.limboapi.injection.packet.UpsertPlayerInfoHook;
import net.elytrium.limboapi.material.Biome;
import net.elytrium.limboapi.protocol.LimboProtocol;
import net.elytrium.limboapi.protocol.packets.PacketFactoryImpl;
import net.elytrium.limboapi.server.CachedPackets;
import net.elytrium.limboapi.server.LimboImpl;
import net.elytrium.limboapi.server.item.SimpleItemComponentManager;
import net.elytrium.limboapi.server.item.SimpleItemComponentMap;
import net.elytrium.limboapi.server.world.SimpleBlock;
import net.elytrium.limboapi.server.world.SimpleBlockEntity;
import net.elytrium.limboapi.server.world.SimpleItem;
import net.elytrium.limboapi.server.world.SimpleTagManager;
import net.elytrium.limboapi.server.world.SimpleWorld;
import net.elytrium.limboapi.server.world.chunk.SimpleChunk;
import net.elytrium.limboapi.utils.ReloadListener;
import net.kyori.adventure.nbt.CompoundBinaryTag;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.serializer.ComponentSerializer;
import org.bstats.velocity.Metrics;
import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
import org.slf4j.Logger;
@Plugin(
id = "limboapi",
name = "LimboAPI",
version = BuildConstants.LIMBO_VERSION,
description = "Velocity plugin for making virtual servers.",
url = "https://elytrium.net/",
authors = {
"Elytrium (https://elytrium.net/)",
}
)
public class LimboAPI implements LimboFactory {
private static final int SUPPORTED_MAXIMUM_PROTOCOL_VERSION_NUMBER = 775;
@MonotonicNonNull
private static Logger LOGGER;
@MonotonicNonNull
private static Serializer SERIALIZER;
public static final ConcurrentHashMap INITIAL_ID = new ConcurrentHashMap<>();
private static final MethodHandle STATE_FIELD;
private final VelocityServer server;
private final Metrics.Factory metricsFactory;
private final File configFile;
private final Set players;
private final CachedPackets packets;
private final PacketFactory packetFactory;
private final SimpleItemComponentManager itemComponentManager = new SimpleItemComponentManager();
private final HashMap loginQueue;
private final HashMap> kickCallback;
private final HashMap nextServer;
private PreparedPacketFactory preparedPacketFactory;
private PreparedPacketFactory configPreparedPacketFactory;
private PreparedPacketFactory loginUncompressedPreparedPacketFactory;
private PreparedPacketFactory loginPreparedPacketFactory;
private ProtocolVersion minVersion;
private ProtocolVersion maxVersion;
private LoginListener loginListener;
private boolean compressionEnabled;
private EventManagerHook eventManagerHook;
@Inject
public LimboAPI(Logger logger, ProxyServer server, Metrics.Factory metricsFactory, @DataDirectory Path dataDirectory) {
setLogger(logger);
this.server = (VelocityServer) server;
this.metricsFactory = metricsFactory;
this.configFile = dataDirectory.resolve("config.yml").toFile();
this.players = new HashSet<>();
this.packetFactory = new PacketFactoryImpl();
this.packets = new CachedPackets(this);
this.loginQueue = new HashMap<>();
this.kickCallback = new HashMap<>();
this.nextServer = new HashMap<>();
int maximumProtocolVersionNumber = ProtocolVersion.MAXIMUM_VERSION.getProtocol();
if (maximumProtocolVersionNumber < SUPPORTED_MAXIMUM_PROTOCOL_VERSION_NUMBER) {
LOGGER.error("Please update Velocity (https://papermc.io/downloads#Velocity). LimboAPI support: https://ely.su/discord");
this.server.shutdown();
return;
} else if (maximumProtocolVersionNumber != SUPPORTED_MAXIMUM_PROTOCOL_VERSION_NUMBER) {
LOGGER.warn("Current LimboAPI version doesn't support current Velocity version (protocol version numbers: supported - {}, velocity - {})",
SUPPORTED_MAXIMUM_PROTOCOL_VERSION_NUMBER, maximumProtocolVersionNumber);
LOGGER.warn("Please update LimboAPI (https://github.com/Elytrium/LimboAPI/releases). LimboAPI support: https://ely.su/discord");
}
LOGGER.info("Initializing Simple Virtual World system...");
SimpleBlock.init();
SimpleBlockEntity.init();
SimpleItem.init();
SimpleTagManager.init();
LOGGER.info("Hooking into PlayerList/UpsertPlayerInfo and StateRegistry...");
try {
LegacyPlayerListItemHook.init(this, LimboProtocol.PLAY_CLIENTBOUND_REGISTRY);
UpsertPlayerInfoHook.init(this, LimboProtocol.PLAY_CLIENTBOUND_REGISTRY);
RemovePlayerInfoHook.init(this, LimboProtocol.PLAY_CLIENTBOUND_REGISTRY);
LimboProtocol.init();
} catch (Throwable e) {
throw new ReflectionException(e);
}
}
@Subscribe
public void onProxyInitialization(ProxyInitializeEvent event) {
Settings.IMP.setLogger(LOGGER);
if (Settings.IMP.reload(this.configFile, Settings.IMP.PREFIX) == YamlConfig.LoadResult.CONFIG_NOT_EXISTS) {
LOGGER.warn("************* FIRST LAUNCH *************");
LOGGER.warn("Thanks for installing LimboAPI!");
LOGGER.warn("(C) 2021 - 2024 Elytrium");
LOGGER.warn("");
LOGGER.warn("Check out our plugins here: https://ely.su/github <3");
LOGGER.warn("Discord: https://ely.su/discord");
LOGGER.warn("****************************************");
}
int level = this.server.getConfiguration().getCompressionLevel();
int threshold = this.server.getConfiguration().getCompressionThreshold();
this.preparedPacketFactory = new PreparedPacketFactory(
PreparedPacketImpl::new,
LimboProtocol.getLimboStateRegistry(),
this.compressionEnabled,
level,
threshold,
Settings.IMP.MAIN.SAVE_UNCOMPRESSED_PACKETS,
true,
Settings.IMP.MAIN.COMPATIBILITY_MODE
);
this.configPreparedPacketFactory = new PreparedPacketFactory(
PreparedPacketImpl::new,
StateRegistry.CONFIG,
this.compressionEnabled,
level,
threshold,
Settings.IMP.MAIN.SAVE_UNCOMPRESSED_PACKETS,
true,
Settings.IMP.MAIN.COMPATIBILITY_MODE
);
this.loginUncompressedPreparedPacketFactory = new PreparedPacketFactory(
PreparedPacketImpl::new,
StateRegistry.LOGIN,
false,
level,
threshold,
false,
true,
Settings.IMP.MAIN.COMPATIBILITY_MODE
);
this.loginPreparedPacketFactory = new PreparedPacketFactory(
PreparedPacketImpl::new,
StateRegistry.LOGIN,
this.compressionEnabled,
level,
threshold,
Settings.IMP.MAIN.SAVE_UNCOMPRESSED_PACKETS,
true,
Settings.IMP.MAIN.COMPATIBILITY_MODE
);
this.reloadPreparedPacketFactory();
this.reload();
this.metricsFactory.make(this, 12530);
if (Settings.IMP.MAIN.CHECK_FOR_UPDATES) {
if (!UpdatesChecker.checkVersionByURL("https://raw.githubusercontent.com/Elytrium/LimboAPI/master/VERSION", Settings.IMP.VERSION)) {
LOGGER.error("****************************************");
LOGGER.warn("The new LimboAPI update was found, please update.");
LOGGER.error("https://github.com/Elytrium/LimboAPI/releases/");
LOGGER.error("****************************************");
}
}
}
@Subscribe(order = PostOrder.LAST)
public void postProxyInitialization(ProxyInitializeEvent event) throws IllegalAccessException {
this.eventManagerHook.reloadHandlers();
}
public void reload() {
Settings.IMP.reload(this.configFile, Settings.IMP.PREFIX);
ComponentSerializer serializer = Settings.IMP.SERIALIZER.getSerializer();
if (serializer == null) {
LOGGER.warn("The specified serializer could not be founded, using default. (LEGACY_AMPERSAND)");
setSerializer(new Serializer(Objects.requireNonNull(Serializers.LEGACY_AMPERSAND.getSerializer())));
} else {
setSerializer(new Serializer(serializer));
}
LOGGER.info("Creating and preparing packets...");
this.reloadVersion();
this.packets.createPackets();
this.loginListener = new LoginListener(this, this.server);
this.eventManagerHook = new EventManagerHook(this, this.server.getEventManager());
VelocityEventManager eventManager = this.server.getEventManager();
eventManager.unregisterListeners(this);
eventManager.register(this, this.loginListener);
eventManager.register(this, this.eventManagerHook);
eventManager.register(this, new DisconnectListener(this));
eventManager.register(this, new ReloadListener(this));
LOGGER.info("Loaded!");
}
private void reloadVersion() {
if (Settings.IMP.MAIN.PREPARE_MAX_VERSION.equals("LATEST")) {
this.maxVersion = ProtocolVersion.MAXIMUM_VERSION;
} else {
this.maxVersion = ProtocolVersion.valueOf("MINECRAFT_" + Settings.IMP.MAIN.PREPARE_MAX_VERSION);
}
this.minVersion = ProtocolVersion.valueOf("MINECRAFT_" + Settings.IMP.MAIN.PREPARE_MIN_VERSION);
if (ProtocolVersion.MAXIMUM_VERSION.compareTo(this.maxVersion) > 0 || ProtocolVersion.MINIMUM_VERSION.compareTo(this.minVersion) < 0) {
LOGGER.warn(
"Currently working only with "
+ this.minVersion.getVersionIntroducedIn() + " - " + this.maxVersion.getMostRecentSupportedVersion()
+ " versions, modify the plugins/limboapi/config.yml file if you want the plugin to work with other versions."
);
}
}
public void reloadPreparedPacketFactory() {
int level = this.server.getConfiguration().getCompressionLevel();
int threshold = this.server.getConfiguration().getCompressionThreshold();
this.compressionEnabled = threshold != -1;
this.preparedPacketFactory.updateCompressor(this.compressionEnabled, level, threshold,
Settings.IMP.MAIN.SAVE_UNCOMPRESSED_PACKETS, Settings.IMP.MAIN.COMPATIBILITY_MODE);
this.configPreparedPacketFactory.updateCompressor(this.compressionEnabled, level, threshold,
Settings.IMP.MAIN.SAVE_UNCOMPRESSED_PACKETS, Settings.IMP.MAIN.COMPATIBILITY_MODE);
this.loginPreparedPacketFactory.updateCompressor(this.compressionEnabled, level, threshold,
Settings.IMP.MAIN.SAVE_UNCOMPRESSED_PACKETS, Settings.IMP.MAIN.COMPATIBILITY_MODE);
}
@Override
public VirtualBlock createSimpleBlock(Block block) {
return SimpleBlock.fromLegacyID((short) block.getID());
}
@Override
public VirtualBlock createSimpleBlock(short legacyID) {
return SimpleBlock.fromLegacyID(legacyID);
}
@Override
public VirtualBlock createSimpleBlock(String modernID) {
return SimpleBlock.fromModernID(modernID);
}
@Override
public VirtualBlock createSimpleBlock(String modernID, Map properties) {
return SimpleBlock.fromModernID(modernID, properties);
}
@Override
public VirtualBlock createSimpleBlock(short id, boolean modern) {
if (modern) {
return SimpleBlock.solid(id);
} else {
return SimpleBlock.fromLegacyID(id);
}
}
@Override
public VirtualBlock createSimpleBlock(boolean solid, boolean air, boolean motionBlocking, short id) {
return new SimpleBlock(solid, air, motionBlocking, id);
}
@Override
public VirtualBlock createSimpleBlock(boolean solid, boolean air, boolean motionBlocking, String modernID, Map properties) {
return new SimpleBlock(solid, air, motionBlocking, modernID, properties);
}
@Override
public VirtualWorld createVirtualWorld(Dimension dimension, double posX, double posY, double posZ, float yaw, float pitch) {
return new SimpleWorld(dimension, posX, posY, posZ, yaw, pitch);
}
@Override
public VirtualChunk createVirtualChunk(int posX, int posZ) {
return new SimpleChunk(posX, posZ);
}
@Override
public VirtualChunk createVirtualChunk(int posX, int posZ, VirtualBiome defaultBiome) {
return new SimpleChunk(posX, posZ, defaultBiome);
}
@Override
public VirtualChunk createVirtualChunk(int posX, int posZ, BuiltInBiome defaultBiome) {
return new SimpleChunk(posX, posZ, Biome.of(defaultBiome));
}
@Override
public Limbo createLimbo(VirtualWorld world) {
return new LimboImpl(this, world);
}
@Override
public void releasePreparedPacketThread(Thread thread) {
this.preparedPacketFactory.releaseThread(thread);
}
@Override
public PreparedPacket createPreparedPacket() {
return (PreparedPacket) this.preparedPacketFactory.createPreparedPacket(this.minVersion, this.maxVersion);
}
@Override
public PreparedPacket createPreparedPacket(ProtocolVersion minVersion, ProtocolVersion maxVersion) {
return (PreparedPacket) this.preparedPacketFactory.createPreparedPacket(minVersion, maxVersion);
}
@Override
public PreparedPacket createConfigPreparedPacket() {
return (PreparedPacket) this.configPreparedPacketFactory.createPreparedPacket(this.minVersion, this.maxVersion);
}
@Override
public PreparedPacket createConfigPreparedPacket(ProtocolVersion minVersion, ProtocolVersion maxVersion) {
return (PreparedPacket) this.configPreparedPacketFactory.createPreparedPacket(minVersion, maxVersion);
}
public ByteBuf encodeSingleLogin(MinecraftPacket packet, ProtocolVersion version) {
return this.loginPreparedPacketFactory.encodeSingle(packet, version);
}
public ByteBuf encodeSingleLoginUncompressed(MinecraftPacket packet, ProtocolVersion version) {
return this.loginUncompressedPreparedPacketFactory.encodeSingle(packet, version);
}
public void inject3rdParty(Player player, MinecraftConnection connection, ChannelPipeline pipeline) {
StateRegistry state = connection.getState();
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) < 0
|| (state != StateRegistry.CONFIG && state != StateRegistry.LOGIN)) {
this.preparedPacketFactory.inject(player, connection, pipeline);
} else {
this.configPreparedPacketFactory.inject(player, connection, pipeline);
}
}
public void setState(MinecraftConnection connection, StateRegistry stateRegistry) {
connection.setState(stateRegistry);
this.setEncoderState(connection, stateRegistry);
this.fixDecoderState(connection, stateRegistry);
}
public void setActiveSessionHandler(MinecraftConnection connection, StateRegistry stateRegistry,
MinecraftSessionHandler sessionHandler) {
connection.setActiveSessionHandler(stateRegistry, sessionHandler);
this.setEncoderState(connection, stateRegistry);
this.fixDecoderState(connection, stateRegistry);
}
public void setEncoderState(MinecraftConnection connection, StateRegistry state) {
// As CONFIG state was added in 1.20.2, no need to track it for lower versions
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) < 0) {
return;
}
if (Settings.IMP.MAIN.COMPATIBILITY_MODE) {
MinecraftEncoder encoder = connection.getChannel().pipeline().get(MinecraftEncoder.class);
if (encoder != null) {
encoder.setState(state);
}
}
PreparedPacketEncoder encoder = connection.getChannel().pipeline().get(PreparedPacketEncoder.class);
if (encoder != null) {
if (state != StateRegistry.CONFIG && state != StateRegistry.LOGIN) {
encoder.setFactory(this.preparedPacketFactory);
} else {
encoder.setFactory(this.configPreparedPacketFactory);
}
}
}
public void fixDecoderState(MinecraftConnection connection, StateRegistry state) {
if (state.name() == null) { // custom state
MinecraftDecoder decoder = connection.getChannel().pipeline().get(MinecraftDecoder.class);
if (decoder != null) {
try {
// Let decoder know what we're in PLAY state, or it will kick the player.
STATE_FIELD.invokeExact(decoder, StateRegistry.PLAY);
} catch (Throwable throwable) {
LimboAPI.getLogger().error("Failed to fixup decoder", throwable);
}
}
}
}
public void deject3rdParty(ChannelPipeline pipeline) {
this.preparedPacketFactory.deject(pipeline);
}
public void fixDecompressor(ChannelPipeline pipeline, int threshold, boolean onLogin) {
ChannelHandler decoder;
if (onLogin && Settings.IMP.MAIN.DISCARD_COMPRESSION_ON_LOGIN) {
decoder = new MinecraftDiscardCompressDecoder();
} else if (!onLogin && Settings.IMP.MAIN.DISCARD_COMPRESSION_AFTER_LOGIN) {
decoder = new MinecraftDiscardCompressDecoder();
} else {
int level = this.server.getConfiguration().getCompressionLevel();
VelocityCompressor compressor = Natives.compress.get().create(level);
decoder = new MinecraftLimitedCompressDecoder(threshold, compressor);
}
if (Settings.IMP.MAIN.COMPATIBILITY_MODE && pipeline.context(Connections.COMPRESSION_DECODER) != null) {
pipeline.replace(Connections.COMPRESSION_DECODER, Connections.COMPRESSION_DECODER, decoder);
} else {
pipeline.addBefore(Connections.MINECRAFT_DECODER, Connections.COMPRESSION_DECODER, decoder);
}
}
public void fixCompressor(ChannelPipeline pipeline, ProtocolVersion version) {
ChannelHandler compressionHandler = pipeline.get(Connections.COMPRESSION_ENCODER);
if (compressionHandler == null) {
if (!Settings.IMP.MAIN.COMPATIBILITY_MODE) {
pipeline.addBefore(Connections.MINECRAFT_DECODER, Connections.FRAME_ENCODER, MinecraftVarintLengthEncoder.INSTANCE);
}
} else {
int level = this.server.getConfiguration().getCompressionLevel();
int compressionThreshold = this.server.getConfiguration().getCompressionThreshold();
VelocityCompressor compressor = Natives.compress.get().create(level);
if (!Settings.IMP.MAIN.COMPATIBILITY_MODE) {
MinecraftCompressorAndLengthEncoder encoder = new MinecraftCompressorAndLengthEncoder(compressionThreshold, compressor);
pipeline.remove(compressionHandler);
pipeline.addBefore(Connections.MINECRAFT_ENCODER, Connections.COMPRESSION_ENCODER, encoder);
}
if (pipeline.get(Connections.COMPRESSION_DECODER) instanceof LimboCompressDecoder) {
MinecraftCompressDecoder decoder = new MinecraftCompressDecoder(compressionThreshold, compressor, ProtocolUtils.Direction.SERVERBOUND);
pipeline.replace(Connections.COMPRESSION_DECODER, Connections.COMPRESSION_DECODER, decoder);
} else if (Settings.IMP.MAIN.COMPATIBILITY_MODE) {
compressor.close();
}
}
}
@Override
public void passLoginLimbo(Player player) {
if (this.loginQueue.containsKey(player)) {
this.loginQueue.get(player).next();
}
}
@Override
public VirtualItem getItem(Item item) {
return SimpleItem.fromItem(item);
}
@Override
public VirtualItem getItem(String itemID) {
return SimpleItem.fromModernID(itemID);
}
@Override
public VirtualItem getLegacyItem(int itemLegacyID) {
return SimpleItem.fromLegacyID(itemLegacyID);
}
@Override
public ItemComponentMap createItemComponentMap() {
return new SimpleItemComponentMap(this.itemComponentManager);
}
@Override
public VirtualBlockEntity getBlockEntity(String entityID) {
return SimpleBlockEntity.fromModernID(entityID);
}
@Override
public PacketFactory getPacketFactory() {
return this.packetFactory;
}
public VelocityServer getServer() {
return this.server;
}
public void setLimboJoined(Player player) {
if (!this.isLimboJoined(player)) {
ConnectedPlayer connectedPlayer = (ConnectedPlayer) player;
connectedPlayer.getPhase().onFirstJoin(connectedPlayer);
this.players.add(player);
}
}
public void unsetLimboJoined(Player player) {
this.players.remove(player);
}
public boolean isLimboJoined(Player player) {
return this.players.contains(player);
}
public CachedPackets getPackets() {
return this.packets;
}
public void addLoginQueue(Player player, LoginTasksQueue queue) {
this.loginQueue.put(player, queue);
}
public void removeLoginQueue(Player player) {
this.loginQueue.remove(player);
}
public boolean hasLoginQueue(Player player) {
return this.loginQueue.containsKey(player);
}
public LoginTasksQueue getLoginQueue(Player player) {
return this.loginQueue.get(player);
}
public void setKickCallback(Player player, Function queue) {
this.kickCallback.put(player, queue);
}
public void removeKickCallback(Player player) {
this.kickCallback.remove(player);
}
public Function getKickCallback(Player player) {
return this.kickCallback.get(player);
}
public void setNextServer(Player player, RegisteredServer nextServer) {
this.nextServer.put(player, nextServer);
}
public void removeNextServer(Player player) {
this.nextServer.remove(player);
}
public boolean hasNextServer(Player player) {
return this.nextServer.containsKey(player);
}
public RegisteredServer getNextServer(Player player) {
return this.nextServer.get(player);
}
public void setInitialID(Player player, UUID nextServer) {
INITIAL_ID.put(player, nextServer);
}
public void removeInitialID(Player player) {
INITIAL_ID.remove(player);
}
public UUID getInitialID(Player player) {
return INITIAL_ID.get(player);
}
public LoginListener getLoginListener() {
return this.loginListener;
}
public boolean isCompressionEnabled() {
return this.compressionEnabled;
}
public PreparedPacketFactory getPreparedPacketFactory() {
return this.preparedPacketFactory;
}
public ProtocolVersion getPrepareMinVersion() {
return this.minVersion;
}
public ProtocolVersion getPrepareMaxVersion() {
return this.maxVersion;
}
public EventManagerHook getEventManagerHook() {
return this.eventManagerHook;
}
@Override
public WorldFile openWorldFile(BuiltInWorldFileType apiType, Path file) throws IOException {
return WorldFileTypeRegistry.fromApiType(apiType, file);
}
@Override
public WorldFile openWorldFile(BuiltInWorldFileType apiType, InputStream stream) throws IOException {
return WorldFileTypeRegistry.fromApiType(apiType, stream);
}
@Override
public WorldFile openWorldFile(BuiltInWorldFileType apiType, CompoundBinaryTag tag) {
return WorldFileTypeRegistry.fromApiType(apiType, tag);
}
private static void setLogger(Logger logger) {
LOGGER = logger;
}
public static Logger getLogger() {
return LOGGER;
}
private static void setSerializer(Serializer serializer) {
SERIALIZER = serializer;
}
public static Serializer getSerializer() {
return SERIALIZER;
}
static {
try {
STATE_FIELD = MethodHandles.privateLookupIn(MinecraftDecoder.class, MethodHandles.lookup())
.findSetter(MinecraftDecoder.class, "state", StateRegistry.class);
} catch (NoSuchFieldException | IllegalAccessException e) {
throw new RuntimeException(e);
}
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/Settings.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi;
import java.util.List;
import net.elytrium.commons.config.YamlConfig;
import net.elytrium.commons.kyori.serialization.Serializers;
public class Settings extends YamlConfig {
@Ignore
public static final Settings IMP = new Settings();
@Final
public String VERSION = BuildConstants.LIMBO_VERSION;
@Comment({
"Available serializers:",
"LEGACY_AMPERSAND - \"&c&lExample &c&9Text\".",
"LEGACY_SECTION - \"§c§lExample §c§9Text\".",
"MINIMESSAGE - \"Example Text\". (https://webui.adventure.kyori.net/)",
"GSON - \"[{\"text\":\"Example\",\"bold\":true,\"color\":\"red\"},{\"text\":\" \",\"bold\":true},{\"text\":\"Text\",\"bold\":true,\"color\":\"blue\"}]\". (https://minecraft.tools/en/json_text.php/)",
"GSON_COLOR_DOWNSAMPLING - Same as GSON, but uses downsampling."
})
public Serializers SERIALIZER = Serializers.LEGACY_AMPERSAND;
public String PREFIX = "LimboAPI &6>>&f";
@Create
public MAIN MAIN;
@Comment("Don't use \\n, use {NL} for new line, and {PRFX} for prefix.")
public static class MAIN {
public boolean CHECK_FOR_UPDATES = true;
public int MAX_CHAT_MESSAGE_LENGTH = 256;
public int MAX_BRAND_NAME_LENGTH = 64;
public int MAX_UNKNOWN_PACKET_LENGTH = 2048;
public int MAX_SINGLE_GENERIC_PACKET_LENGTH = 4096;
public int MAX_MULTI_GENERIC_PACKET_LENGTH = 131072;
@Comment({
"Default max packet length (in bytes) that will be proceeded, other packets will be dropped.",
"Can be increased with Limbo#setMaxSuppressPacketLength"
})
public int MAX_PACKET_LENGTH_TO_SUPPRESS_IT = 512;
@Comment({
"Discards all packets longer than compression-threshold. Helps to mitigate some attacks.",
"Needs compression-threshold to be 300 or higher to support 1.19 chat-signing, so it is disabled by default"
})
public boolean DISCARD_COMPRESSION_ON_LOGIN = false;
public boolean DISCARD_COMPRESSION_AFTER_LOGIN = false;
@Comment({
"LimboAPI will consume more RAM if this option is enabled, but compatibility with other plugins will be better",
"Enable it if you have a plugin installed that bypasses compression (e.g. Geyser)"
})
public boolean SAVE_UNCOMPRESSED_PACKETS = true;
@Comment({
"WARNING: do not change when proxy is running, it will break exsiting connections",
"LimboAPI will be running in compatibility mode, allowing other plugins to",
"intercept or modify packets sent by it, but will reduce performance in some cases.",
"Enable if you are using plugins that modify packets. (e.g. ViaVersion, Raknetify or PacketEvents)",
"Require 'save-uncompressed-packets: true' to work properly"
})
public boolean COMPATIBILITY_MODE = false;
@Comment("Logging for connect and disconnect messages.")
public boolean LOGGING_ENABLED = true;
@Comment({
"Change the parameters below, if you want to reduce the RAM consumption.",
"Use VelocityTools to completely block Minecraft versions (https://github.com/Elytrium/VelocityTools/releases/latest).",
"Available versions:",
"1_7_2, 1_7_6, 1_8, 1_9, 1_9_1, 1_9_2, 1_9_4, 1_10, 1_11, 1_11_1, 1_12, 1_12_1, 1_12_2,",
"1_13, 1_13_1, 1_13_2, 1_14, 1_14_1, 1_14_2, 1_14_3, 1_14_4, 1_15, 1_15_1, 1_15_2,",
"1_16, 1_16_1, 1_16_2, 1_16_3, 1_16_4, 1_17, 1_17_1, 1_18, 1_18_2, 1_19, 1_19_1, 1_19_3,",
"1_20, 1_20_2, 1_20_3, 1_20_5, 1_21, 1_21_2, 1_21_4, 1_21_5, 1_21_6, 1_21_7, 1_21_9, 1_21_11,",
"26_1, LATEST"
})
public String PREPARE_MIN_VERSION = "1_7_2";
public String PREPARE_MAX_VERSION = "LATEST";
@Comment("Helpful if you want some plugins proceed before LimboAPI. For example, it is needed to Floodgate to replace UUID.")
public List PRE_LIMBO_PROFILE_REQUEST_PLUGINS = List.of("floodgate", "geyser");
@Comment("Should reduced debug info be enabled (reduced information in F3) if there is no preference for Limbo")
public boolean REDUCED_DEBUG_INFO = false;
@Comment("Used to hide unsigned chat popup")
public boolean SEND_ENFORCE_SECURE_CHAT = true;
public int VIEW_DISTANCE = 10;
public int SIMULATION_DISTANCE = 9;
@Comment({
"How many chunks we should send when a player spawns.",
" 0 = send no chunks on spawn.",
" 1 = send only the spawn chunk.",
" 2 = send the spawn chunk and chunks next to the spawn chunk.",
" 3 = send the spawn chunk, chunks next to the spawn chunk and next to these chunks.",
" and so on.."
})
public int CHUNK_RADIUS_SEND_ON_SPAWN = 2;
@Comment("How many chunks we should send per tick")
public int CHUNKS_PER_TICK = 16;
@Comment("Maximum delay for receiving ChatSession packet (for online-mode client-side race condition mitigation)")
public int CHAT_SESSION_PACKET_TIMEOUT = 5000;
@Comment("Ability to force disable chat signing on 1.19.3+")
public boolean FORCE_DISABLE_MODERN_CHAT_SIGNING = true;
@Create
public MESSAGES MESSAGES;
public static class MESSAGES {
public String TOO_BIG_PACKET = "{PRFX}{NL}{NL}&cYour client sent too big packet!";
public String INVALID_PING = "{PRFX}{NL}{NL}&cYour client sent invalid ping packet!";
public String INVALID_SWITCH = "{PRFX}{NL}{NL}&cYour client sent an unexpected state switching packet!";
public String TIME_OUT = "{PRFX}{NL}{NL}Timed out.";
}
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/file/MCEditSchematicFile.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.file;
import net.elytrium.limboapi.api.LimboFactory;
import net.elytrium.limboapi.api.chunk.VirtualWorld;
import net.elytrium.limboapi.api.file.WorldFile;
import net.kyori.adventure.nbt.CompoundBinaryTag;
public class MCEditSchematicFile implements WorldFile {
private final short width;
private final short height;
private final short length;
private final byte[] blocks;
private byte[] addBlocks = new byte[0];
public MCEditSchematicFile(CompoundBinaryTag tag) {
this.width = tag.getShort("Width");
this.height = tag.getShort("Height");
this.length = tag.getShort("Length");
this.blocks = tag.getByteArray("Blocks");
if (tag.keySet().contains("AddBlocks")) {
this.addBlocks = tag.getByteArray("AddBlocks");
}
}
@Override
public void toWorld(LimboFactory factory, VirtualWorld world, int offsetX, int offsetY, int offsetZ, int lightLevel) {
short[] blockIDs = new short[this.blocks.length];
for (int index = 0; index < blockIDs.length; ++index) {
if ((index >> 1) >= this.addBlocks.length) {
blockIDs[index] = (short) (this.blocks[index] & 0xFF);
} else {
if ((index & 1) == 0) {
blockIDs[index] = (short) (((this.addBlocks[index >> 1] & 0x0F) << 8) + (this.addBlocks[index] & 0xFF));
} else {
blockIDs[index] = (short) (((this.addBlocks[index >> 1] & 0xF0) << 4) + (this.addBlocks[index] & 0xFF));
}
}
}
for (int posX = 0; posX < this.width; ++posX) {
for (int posY = 0; posY < this.height; ++posY) {
for (int posZ = 0; posZ < this.length; ++posZ) {
int index = (posY * this.length + posZ) * this.width + posX;
world.setBlock(posX + offsetX, posY + offsetY, posZ + offsetZ, factory.createSimpleBlock(blockIDs[index]));
}
}
}
world.fillSkyLight(lightLevel);
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/file/StructureNbtFile.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.file;
import java.util.HashMap;
import java.util.Map;
import net.elytrium.limboapi.api.LimboFactory;
import net.elytrium.limboapi.api.chunk.VirtualBlock;
import net.elytrium.limboapi.api.chunk.VirtualWorld;
import net.elytrium.limboapi.api.file.WorldFile;
import net.kyori.adventure.nbt.BinaryTag;
import net.kyori.adventure.nbt.CompoundBinaryTag;
import net.kyori.adventure.nbt.ListBinaryTag;
public class StructureNbtFile implements WorldFile {
private final ListBinaryTag blocks;
private final ListBinaryTag palette;
public StructureNbtFile(CompoundBinaryTag tag) {
this.blocks = tag.getList("blocks");
this.palette = tag.getList("palette");
}
@Override
public void toWorld(LimboFactory factory, VirtualWorld world, int offsetX, int offsetY, int offsetZ, int lightLevel) {
VirtualBlock[] palettedBlocks = new VirtualBlock[this.palette.size()];
for (int i = 0; i < this.palette.size(); ++i) {
CompoundBinaryTag map = this.palette.getCompound(i);
Map propertiesMap = null;
if (map.keySet().contains("Properties")) {
propertiesMap = new HashMap<>();
CompoundBinaryTag properties = map.getCompound("Properties");
for (String entry : properties.keySet()) {
propertiesMap.put(entry, properties.getString(entry));
}
}
palettedBlocks[i] = factory.createSimpleBlock(map.getString("Name"), propertiesMap);
}
for (BinaryTag binaryTag : this.blocks) {
CompoundBinaryTag blockMap = (CompoundBinaryTag) binaryTag;
ListBinaryTag posTag = blockMap.getList("pos");
VirtualBlock block = palettedBlocks[blockMap.getInt("state")];
int x = offsetX + posTag.getInt(0);
int y = offsetY + posTag.getInt(1);
int z = offsetZ + posTag.getInt(2);
world.setBlock(x, y, z, block);
CompoundBinaryTag blockEntityNbt = blockMap.getCompound("nbt");
if (!blockEntityNbt.keySet().isEmpty()) {
world.setBlockEntity(x, y, z, blockEntityNbt, factory.getBlockEntity(block.getModernStringID()));
}
}
world.fillSkyLight(lightLevel);
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/file/WorldEditSchemFile.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.file;
import com.velocitypowered.proxy.protocol.ProtocolUtils;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import net.elytrium.limboapi.api.LimboFactory;
import net.elytrium.limboapi.api.chunk.VirtualBlock;
import net.elytrium.limboapi.api.chunk.VirtualWorld;
import net.elytrium.limboapi.api.file.WorldFile;
import net.kyori.adventure.nbt.BinaryTag;
import net.kyori.adventure.nbt.CompoundBinaryTag;
import net.kyori.adventure.nbt.IntBinaryTag;
import net.kyori.adventure.nbt.ListBinaryTag;
public class WorldEditSchemFile implements WorldFile {
private final short width;
private final short height;
private final short length;
private final int[] blocks;
private final CompoundBinaryTag palette;
private final ListBinaryTag blockEntities;
public WorldEditSchemFile(CompoundBinaryTag rootTag) {
ByteBuf blockDataBuf;
if (rootTag.contains("Width")) {
// Check is it old worldedit schema
this.width = rootTag.getShort("Width");
this.height = rootTag.getShort("Height");
this.length = rootTag.getShort("Length");
this.palette = rootTag.getCompound("Palette");
blockDataBuf = Unpooled.wrappedBuffer(rootTag.getByteArray("BlockData"));
this.blockEntities = rootTag.getList("BlockEntities");
} else if (rootTag.getCompound("Schematic").contains("Blocks")) {
// Check is it new worldedit schema
CompoundBinaryTag schematicTag = rootTag.getCompound("Schematic");
this.width = schematicTag.getShort("Width");
this.height = schematicTag.getShort("Height");
this.length = schematicTag.getShort("Length");
CompoundBinaryTag blocksTag = schematicTag.getCompound("Blocks");
this.palette = blocksTag.getCompound("Palette");
blockDataBuf = Unpooled.wrappedBuffer(blocksTag.getByteArray("Data"));
this.blockEntities = blocksTag.getList("BlockEntities");
} else {
// Unknown schema, throw exception
throw new IllegalArgumentException("Invalid worldedit file format. Please open an issue on GitHub.");
}
this.blocks = new int[this.width * this.height * this.length];
for (int i = 0; i < this.blocks.length; i++) {
this.blocks[i] = ProtocolUtils.readVarInt(blockDataBuf);
}
}
@Override
public void toWorld(LimboFactory factory, VirtualWorld world, int offsetX, int offsetY, int offsetZ, int lightLevel) {
VirtualBlock[] palettedBlocks = new VirtualBlock[this.palette.keySet().size()];
this.palette.forEach((entry) -> palettedBlocks[((IntBinaryTag) entry.getValue()).value()] = factory.createSimpleBlock(entry.getKey()));
for (int posX = 0; posX < this.width; ++posX) {
for (int posY = 0; posY < this.height; ++posY) {
for (int posZ = 0; posZ < this.length; ++posZ) {
int index = (posY * this.length + posZ) * this.width + posX;
world.setBlock(posX + offsetX, posY + offsetY, posZ + offsetZ, palettedBlocks[this.blocks[index]]);
}
}
}
for (BinaryTag blockEntity : this.blockEntities) {
CompoundBinaryTag blockEntityData = (CompoundBinaryTag) blockEntity;
int[] posTag = blockEntityData.getIntArray("Pos");
world.setBlockEntity(
offsetX + posTag[0],
offsetY + posTag[1],
offsetZ + posTag[2],
blockEntityData,
factory.getBlockEntity(blockEntityData.getString("Id")));
}
world.fillSkyLight(lightLevel);
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/file/WorldFileTypeRegistry.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.file;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Path;
import java.util.EnumMap;
import java.util.function.Function;
import net.elytrium.limboapi.api.file.BuiltInWorldFileType;
import net.elytrium.limboapi.api.file.WorldFile;
import net.kyori.adventure.nbt.BinaryTagIO;
import net.kyori.adventure.nbt.CompoundBinaryTag;
public enum WorldFileTypeRegistry {
SCHEMATIC(BuiltInWorldFileType.SCHEMATIC, MCEditSchematicFile::new),
WORLDEDIT_SCHEM(BuiltInWorldFileType.WORLDEDIT_SCHEM, WorldEditSchemFile::new),
STRUCTURE(BuiltInWorldFileType.STRUCTURE, StructureNbtFile::new);
private static final EnumMap API_TYPE_MAP = new EnumMap<>(BuiltInWorldFileType.class);
private final BuiltInWorldFileType apiType;
private final Function worldFileFunction;
static {
for (WorldFileTypeRegistry pluginType : WorldFileTypeRegistry.values()) {
API_TYPE_MAP.put(pluginType.apiType, pluginType);
}
}
WorldFileTypeRegistry(BuiltInWorldFileType apiType, Function worldFileFunction) {
this.apiType = apiType;
this.worldFileFunction = worldFileFunction;
}
public static WorldFileTypeRegistry fromApiType(BuiltInWorldFileType apiType) {
return API_TYPE_MAP.get(apiType);
}
public static WorldFile fromApiType(BuiltInWorldFileType apiType, Path file) throws IOException {
return fromApiType(apiType).fromNbt(file);
}
public static WorldFile fromApiType(BuiltInWorldFileType apiType, InputStream stream) throws IOException {
return fromApiType(apiType).fromNbt(stream);
}
public static WorldFile fromApiType(BuiltInWorldFileType apiType, CompoundBinaryTag tag) {
return fromApiType(apiType).fromNbt(tag);
}
public WorldFile fromNbt(Path file) throws IOException {
return this.fromNbt(BinaryTagIO.unlimitedReader().read(file, BinaryTagIO.Compression.GZIP));
}
public WorldFile fromNbt(InputStream stream) throws IOException {
return this.fromNbt(BinaryTagIO.unlimitedReader().read(stream, BinaryTagIO.Compression.GZIP));
}
public WorldFile fromNbt(CompoundBinaryTag tag) {
return this.worldFileFunction.apply(tag);
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/disconnect/DisconnectListener.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.disconnect;
import com.velocitypowered.api.event.Subscribe;
import com.velocitypowered.api.event.connection.DisconnectEvent;
import com.velocitypowered.api.proxy.Player;
import net.elytrium.limboapi.LimboAPI;
public class DisconnectListener {
private final LimboAPI plugin;
public DisconnectListener(LimboAPI plugin) {
this.plugin = plugin;
}
@Subscribe
public void onDisconnect(DisconnectEvent event) {
Player player = event.getPlayer();
this.plugin.unsetLimboJoined(player);
this.plugin.removeLoginQueue(player);
this.plugin.removeKickCallback(player);
this.plugin.removeNextServer(player);
this.plugin.removeInitialID(player);
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/dummy/ClosedChannel.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.dummy;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.ChannelConfig;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelId;
import io.netty.channel.ChannelMetadata;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelProgressivePromise;
import io.netty.channel.ChannelPromise;
import io.netty.channel.EventLoop;
import io.netty.util.Attribute;
import io.netty.util.AttributeKey;
import java.net.SocketAddress;
import org.checkerframework.checker.nullness.qual.NonNull;
public class ClosedChannel implements Channel {
private final EventLoop eventLoop;
public ClosedChannel(EventLoop eventLoop) {
this.eventLoop = eventLoop;
}
@Override
public ChannelId id() {
return null;
}
@Override
public EventLoop eventLoop() {
return this.eventLoop;
}
@Override
public Channel parent() {
return null;
}
@Override
public ChannelConfig config() {
return null;
}
@Override
public boolean isOpen() {
return false;
}
@Override
public boolean isRegistered() {
return false;
}
@Override
public boolean isActive() {
return false;
}
@Override
public ChannelMetadata metadata() {
return null;
}
@Override
public SocketAddress localAddress() {
return null;
}
@Override
public SocketAddress remoteAddress() {
return null;
}
@Override
public ChannelFuture closeFuture() {
return null;
}
@Override
public boolean isWritable() {
return false;
}
@Override
public long bytesBeforeUnwritable() {
return 0;
}
@Override
public long bytesBeforeWritable() {
return 0;
}
@Override
public Unsafe unsafe() {
return null;
}
@Override
public ChannelPipeline pipeline() {
return null;
}
@Override
public ByteBufAllocator alloc() {
return null;
}
@Override
public ChannelFuture bind(SocketAddress localAddress) {
return null;
}
@Override
public ChannelFuture bind(SocketAddress localAddress, ChannelPromise promise) {
return null;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress) {
return null;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress, SocketAddress localAddress) {
return null;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress, ChannelPromise promise) {
return null;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) {
return null;
}
@Override
public ChannelFuture disconnect() {
return null;
}
@Override
public ChannelFuture disconnect(ChannelPromise promise) {
return null;
}
@Override
public ChannelFuture close() {
return null;
}
@Override
public ChannelFuture close(ChannelPromise promise) {
return null;
}
@Override
public ChannelFuture deregister() {
return null;
}
@Override
public ChannelFuture deregister(ChannelPromise promise) {
return null;
}
@Override
public Channel read() {
return null;
}
@Override
public ChannelFuture write(Object msg) {
return null;
}
@Override
public ChannelFuture write(Object msg, ChannelPromise promise) {
return null;
}
@Override
public Channel flush() {
return null;
}
@Override
public ChannelFuture writeAndFlush(Object msg, ChannelPromise promise) {
return null;
}
@Override
public ChannelFuture writeAndFlush(Object msg) {
return null;
}
@Override
public ChannelPromise newPromise() {
return null;
}
@Override
public ChannelProgressivePromise newProgressivePromise() {
return null;
}
@Override
public ChannelFuture newSucceededFuture() {
return null;
}
@Override
public ChannelFuture newFailedFuture(Throwable cause) {
return null;
}
@Override
public ChannelPromise voidPromise() {
return null;
}
@Override
public Attribute attr(AttributeKey key) {
return null;
}
@Override
public boolean hasAttr(AttributeKey key) {
return false;
}
@Override
public int compareTo(@NonNull Channel o) {
return 0;
}
@Override
public boolean equals(Object o) {
return o instanceof ClosedChannel && this.compareTo((Channel) o) == 0;
}
@Override
public int hashCode() {
return 0;
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/dummy/ClosedMinecraftConnection.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.dummy;
import com.velocitypowered.proxy.VelocityServer;
import com.velocitypowered.proxy.connection.MinecraftConnection;
import io.netty.channel.Channel;
public class ClosedMinecraftConnection extends MinecraftConnection {
public ClosedMinecraftConnection(Channel channel, VelocityServer server) {
super(channel, server);
}
@Override
public boolean isClosed() {
return true;
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/dummy/DummyEventPool.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.dummy;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelPromise;
import io.netty.channel.EventLoop;
import io.netty.channel.EventLoopGroup;
import io.netty.util.concurrent.EventExecutor;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.ProgressivePromise;
import io.netty.util.concurrent.Promise;
import io.netty.util.concurrent.ScheduledFuture;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
import org.checkerframework.checker.nullness.qual.NonNull;
@SuppressWarnings("ConstantConditions")
@SuppressFBWarnings(value = "NP_NONNULL_RETURN_VIOLATION", justification = "This is dummy class.")
public class DummyEventPool implements EventLoop {
@Override
public EventLoopGroup parent() {
return null;
}
@Override
public boolean inEventLoop() {
return true;
}
@Override
public boolean inEventLoop(Thread thread) {
return true;
}
@Override
public Promise newPromise() {
return null;
}
@Override
public ProgressivePromise newProgressivePromise() {
return null;
}
@Override
public Future newSucceededFuture(V v) {
return null;
}
@Override
public Future newFailedFuture(Throwable throwable) {
return null;
}
@Override
public boolean isShuttingDown() {
return false;
}
@Override
public Future shutdownGracefully() {
return null;
}
@Override
public Future shutdownGracefully(long l, long l1, TimeUnit timeUnit) {
return null;
}
@Override
public Future terminationFuture() {
return null;
}
@Override
public void shutdown() {
}
@Override
public List shutdownNow() {
return null;
}
@Override
public boolean isShutdown() {
return false;
}
@Override
public boolean isTerminated() {
return false;
}
@Override
public boolean awaitTermination(long l, @NonNull TimeUnit timeUnit) {
return false;
}
@Override
public EventLoop next() {
return null;
}
@Override
public Iterator iterator() {
return null;
}
@Override
public Future submit(Runnable runnable) {
return null;
}
@Override
public Future submit(Runnable runnable, T t) {
return null;
}
@Override
public Future submit(Callable callable) {
return null;
}
@NonNull
@Override
public List> invokeAll(@NonNull Collection> collection) {
return null;
}
@NonNull
@Override
public List> invokeAll(@NonNull Collection> collection, long l, @NonNull TimeUnit timeUnit) {
return null;
}
@NonNull
@Override
public T invokeAny(@NonNull Collection> collection) {
return null;
}
@Override
public T invokeAny(@NonNull Collection> collection, long l, @NonNull TimeUnit timeUnit) {
return null;
}
@Override
public ScheduledFuture schedule(Runnable runnable, long l, TimeUnit timeUnit) {
return null;
}
@Override
public ScheduledFuture schedule(Callable callable, long l, TimeUnit timeUnit) {
return null;
}
@Override
public ScheduledFuture scheduleAtFixedRate(Runnable runnable, long l, long l1, TimeUnit timeUnit) {
return null;
}
@Override
public ScheduledFuture scheduleWithFixedDelay(Runnable runnable, long l, long l1, TimeUnit timeUnit) {
return null;
}
@Override
public ChannelFuture register(Channel channel) {
return null;
}
@Override
public ChannelFuture register(ChannelPromise channelPromise) {
return null;
}
@Override
public ChannelFuture register(Channel channel, ChannelPromise channelPromise) {
return null;
}
@Override
public void execute(@NonNull Runnable runnable) {
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/event/EventManagerHook.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.event;
import com.google.common.collect.ListMultimap;
import com.velocitypowered.api.event.EventTask;
import com.velocitypowered.api.event.PostOrder;
import com.velocitypowered.api.event.Subscribe;
import com.velocitypowered.api.event.player.GameProfileRequestEvent;
import com.velocitypowered.api.event.player.KickedFromServerEvent;
import com.velocitypowered.api.plugin.PluginContainer;
import com.velocitypowered.api.util.GameProfile;
import com.velocitypowered.proxy.event.VelocityEventManager;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.function.Function;
import net.elytrium.commons.utils.reflection.ReflectionException;
import net.elytrium.limboapi.LimboAPI;
import net.elytrium.limboapi.Settings;
@SuppressWarnings("unchecked")
public class EventManagerHook {
private static final Field HANDLERS_BY_TYPE_FIELD;
private static final Class HANDLER_REGISTRATION_CLASS;
private static final MethodHandle PLUGIN_FIELD;
private static final MethodHandle FIRE_METHOD;
private static final MethodHandle FUTURE_FIELD;
private final Set proceededProfiles = new HashSet<>();
private final LimboAPI plugin;
private final VelocityEventManager eventManager;
private Object handlerRegistrations;
private boolean hasHandlerRegistration;
public EventManagerHook(LimboAPI plugin, VelocityEventManager eventManager) {
this.plugin = plugin;
this.eventManager = eventManager;
}
@Subscribe(order = PostOrder.FIRST)
public EventTask onGameProfileRequest(GameProfileRequestEvent event) {
GameProfile originalProfile = event.getGameProfile();
if (this.proceededProfiles.remove(originalProfile)) {
return null;
} else {
CompletableFuture fireFuture = new CompletableFuture<>();
CompletableFuture hookFuture = new CompletableFuture<>();
fireFuture.thenAccept(modifiedEvent -> {
try {
this.plugin.getLoginListener().hookLoginSession(modifiedEvent);
hookFuture.complete(modifiedEvent);
} catch (Throwable e) {
LimboAPI.getLogger().error("Failed to handle GameProfileRequestEvent", e);
throw new ReflectionException(e);
}
});
if (this.hasHandlerRegistration) {
try {
FIRE_METHOD.invoke(this.eventManager, fireFuture, event, 0, false, this.handlerRegistrations);
} catch (Throwable e) {
fireFuture.complete(event);
throw new ReflectionException(e);
}
} else {
fireFuture.complete(event);
}
// ignoring other subscribers by directly completing the future
return EventTask.withContinuation(continuation -> hookFuture.whenComplete((result, cause) -> {
try {
CompletableFuture future = (CompletableFuture) FUTURE_FIELD.invokeExact(continuation);
if (future != null) {
future.complete(result);
}
} catch (Throwable e) {
throw new ReflectionException(e);
}
}));
}
}
@Subscribe(order = PostOrder.LAST)
public EventTask onKickedFromServer(KickedFromServerEvent event) {
CompletableFuture hookFuture = new CompletableFuture<>();
try {
Function callback = this.plugin.getKickCallback(event.getPlayer());
if (callback == null || !callback.apply(event)) {
hookFuture.complete(event);
}
} catch (Throwable throwable) {
LimboAPI.getLogger().error("Failed to handle KickCallback, ignoring its result", throwable);
hookFuture.complete(event);
}
// if kick callback is null and no exception occurred, hookFuture won't be ever finished, and
// the event chain would be broken, that is what we need.
return EventTask.resumeWhenComplete(hookFuture);
}
public void proceedProfile(GameProfile profile) {
this.proceededProfiles.add(profile);
}
@SuppressWarnings("rawtypes")
public void reloadHandlers() throws IllegalAccessException {
ListMultimap, ?> handlersMap = (ListMultimap, ?>) HANDLERS_BY_TYPE_FIELD.get(this.eventManager);
List disabledHandlers = handlersMap.get(GameProfileRequestEvent.class);
List preEvents = new ArrayList<>();
List newHandlers = new ArrayList<>(disabledHandlers);
if (this.handlerRegistrations != null) {
for (int i = 0; i < Array.getLength(this.handlerRegistrations); ++i) {
preEvents.add(Array.get(this.handlerRegistrations, i));
}
}
try {
for (Object handler : disabledHandlers) {
PluginContainer pluginContainer = (PluginContainer) PLUGIN_FIELD.invoke(handler);
String id = pluginContainer.getDescription().getId();
if (Settings.IMP.MAIN.PRE_LIMBO_PROFILE_REQUEST_PLUGINS.contains(id)) {
LimboAPI.getLogger().info("Hooking all GameProfileRequestEvent events from {} ", id);
preEvents.add(handler);
newHandlers.remove(handler);
}
}
} catch (Throwable e) {
throw new ReflectionException(e);
}
handlersMap.replaceValues(GameProfileRequestEvent.class, newHandlers);
this.handlerRegistrations = Array.newInstance(HANDLER_REGISTRATION_CLASS, preEvents.size());
for (int i = 0; i < preEvents.size(); ++i) {
Array.set(this.handlerRegistrations, i, preEvents.get(i));
}
this.hasHandlerRegistration = !preEvents.isEmpty();
}
static {
try {
HANDLERS_BY_TYPE_FIELD = VelocityEventManager.class.getDeclaredField("handlersByType");
HANDLERS_BY_TYPE_FIELD.setAccessible(true);
HANDLER_REGISTRATION_CLASS = Class.forName("com.velocitypowered.proxy.event.VelocityEventManager$HandlerRegistration");
PLUGIN_FIELD = MethodHandles.privateLookupIn(HANDLER_REGISTRATION_CLASS, MethodHandles.lookup())
.findGetter(HANDLER_REGISTRATION_CLASS, "plugin", PluginContainer.class);
Class continuationTaskClass = Class.forName("com.velocitypowered.proxy.event.VelocityEventManager$ContinuationTask");
FUTURE_FIELD = MethodHandles.privateLookupIn(continuationTaskClass, MethodHandles.lookup())
.findGetter(continuationTaskClass, "future", CompletableFuture.class);
// The desired 5-argument fire method is private, and its 5th argument is the array of the private class,
// so we can't pass it into the Class#getDeclaredMethod(Class...) method.
Method fireMethod = Arrays.stream(VelocityEventManager.class.getDeclaredMethods())
.filter(method -> method.getName().equals("fire") && method.getParameterCount() == 5)
.findFirst()
.orElseThrow();
fireMethod.setAccessible(true);
FIRE_METHOD = MethodHandles.privateLookupIn(VelocityEventManager.class, MethodHandles.lookup())
.findVirtual(VelocityEventManager.class, "fire", MethodType.methodType(
void.class,
CompletableFuture.class,
Object.class,
int.class,
boolean.class,
Array.newInstance(HANDLER_REGISTRATION_CLASS, 0).getClass()
));
} catch (NoSuchFieldException | ClassNotFoundException | IllegalAccessException | NoSuchMethodException e) {
throw new ReflectionException(e);
}
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/login/LoginListener.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
* This file contains some parts of Velocity, licensed under the AGPLv3 License (AGPLv3).
*
* Copyright (C) 2018 Velocity Contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.login;
import com.velocitypowered.api.event.Subscribe;
import com.velocitypowered.api.event.player.GameProfileRequestEvent;
import com.velocitypowered.api.event.player.PlayerChooseInitialServerEvent;
import com.velocitypowered.api.event.player.ServerConnectedEvent;
import com.velocitypowered.api.network.HandshakeIntent;
import com.velocitypowered.api.network.ProtocolVersion;
import com.velocitypowered.api.proxy.InboundConnection;
import com.velocitypowered.api.proxy.crypto.IdentifiedKey;
import com.velocitypowered.api.proxy.player.TabList;
import com.velocitypowered.api.util.GameProfile;
import com.velocitypowered.api.util.UuidUtils;
import com.velocitypowered.natives.compression.VelocityCompressor;
import com.velocitypowered.natives.util.Natives;
import com.velocitypowered.proxy.VelocityServer;
import com.velocitypowered.proxy.config.PlayerInfoForwarding;
import com.velocitypowered.proxy.config.VelocityConfiguration;
import com.velocitypowered.proxy.connection.MinecraftConnection;
import com.velocitypowered.proxy.connection.client.AuthSessionHandler;
import com.velocitypowered.proxy.connection.client.ClientPlaySessionHandler;
import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
import com.velocitypowered.proxy.connection.client.InitialInboundConnection;
import com.velocitypowered.proxy.connection.client.LoginInboundConnection;
import com.velocitypowered.proxy.crypto.IdentifiedKeyImpl;
import com.velocitypowered.proxy.network.Connections;
import com.velocitypowered.proxy.protocol.StateRegistry;
import com.velocitypowered.proxy.protocol.VelocityConnectionEvent;
import com.velocitypowered.proxy.protocol.netty.MinecraftCompressorAndLengthEncoder;
import com.velocitypowered.proxy.protocol.packet.ServerLoginSuccessPacket;
import com.velocitypowered.proxy.protocol.packet.SetCompressionPacket;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelOutboundHandlerAdapter;
import io.netty.channel.ChannelPipeline;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.reflect.Field;
import java.net.InetSocketAddress;
import java.util.Objects;
import java.util.UUID;
import java.util.function.BiConsumer;
import net.elytrium.commons.utils.reflection.ReflectionException;
import net.elytrium.limboapi.LimboAPI;
import net.elytrium.limboapi.Settings;
import net.elytrium.limboapi.api.event.LoginLimboRegisterEvent;
import net.elytrium.limboapi.injection.dummy.ClosedChannel;
import net.elytrium.limboapi.injection.dummy.ClosedMinecraftConnection;
import net.elytrium.limboapi.injection.dummy.DummyEventPool;
import net.elytrium.limboapi.injection.login.confirmation.LoginConfirmHandler;
import net.elytrium.limboapi.injection.packet.ServerLoginSuccessHook;
import net.elytrium.limboapi.injection.tablist.RewritingKeyedVelocityTabList;
import net.elytrium.limboapi.injection.tablist.RewritingVelocityTabList;
import net.elytrium.limboapi.injection.tablist.RewritingVelocityTabListLegacy;
import net.elytrium.limboapi.utils.LambdaUtil;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.format.NamedTextColor;
public class LoginListener {
private static final ClosedMinecraftConnection CLOSED_MINECRAFT_CONNECTION;
private static final MethodHandle DELEGATE_FIELD;
private static final BiConsumer MC_CONNECTION_SETTER;
private static final MethodHandle CONNECTED_PLAYER_CONSTRUCTOR;
private static final MethodHandle SPAWNED_FIELD;
private static final BiConsumer TAB_LIST_SETTER;
private final LimboAPI plugin;
private final VelocityServer server;
public LoginListener(LimboAPI plugin, VelocityServer server) {
this.plugin = plugin;
this.server = server;
}
@Subscribe
public void hookInitialServer(PlayerChooseInitialServerEvent event) {
if (this.plugin.hasNextServer(event.getPlayer())) {
event.setInitialServer(this.plugin.getNextServer(event.getPlayer()));
}
this.plugin.setLimboJoined(event.getPlayer());
}
@SuppressWarnings("ConstantConditions")
public void hookLoginSession(GameProfileRequestEvent event) throws Throwable {
LoginInboundConnection inboundConnection = (LoginInboundConnection) event.getConnection();
// In some cases, e.g. if the player logged out or was kicked right before the GameProfileRequestEvent hook,
// the connection will be broken (possibly by GC) and we can't get it from the delegate field.
if (LoginInboundConnection.class.isAssignableFrom(inboundConnection.getClass())) {
// Changing mcConnection to the closed one. For what? To break the "initializePlayer"
// method (which checks mcConnection.isActive()) and to override it. :)
InitialInboundConnection inbound = (InitialInboundConnection) DELEGATE_FIELD.invokeExact(inboundConnection);
MinecraftConnection connection = inbound.getConnection();
// Ensure that this method is always invoked inside EventLoop.
if (!connection.eventLoop().inEventLoop()) {
connection.eventLoop().execute(() -> {
try {
this.hookLoginSession(event);
} catch (Throwable e) {
throw new IllegalStateException("failed to handle login request", e);
}
});
return;
}
Object handler = connection.getActiveSessionHandler();
MC_CONNECTION_SETTER.accept(handler, CLOSED_MINECRAFT_CONNECTION);
LoginConfirmHandler loginHandler = null;
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) >= 0) {
connection.setActiveSessionHandler(StateRegistry.LOGIN,
loginHandler = new LoginConfirmHandler(this.plugin, connection));
}
// From Velocity.
if (!connection.isClosed()) {
try {
IdentifiedKey playerKey = inboundConnection.getIdentifiedKey();
if (playerKey != null) {
if (playerKey.getSignatureHolder() == null) {
if (playerKey instanceof IdentifiedKeyImpl unlinkedKey) {
// Failsafe
if (!unlinkedKey.internalAddHolder(event.getGameProfile().getId())) {
playerKey = null;
}
}
} else if (!Objects.equals(playerKey.getSignatureHolder(), event.getGameProfile().getId())) {
playerKey = null;
}
}
// Initiate a regular connection and move over to it.
ConnectedPlayer player = (ConnectedPlayer) CONNECTED_PLAYER_CONSTRUCTOR.invokeExact(
this.server,
event.getGameProfile(),
connection,
inboundConnection.getVirtualHost().orElse(null),
((InboundConnection) inboundConnection).getRawVirtualHost().orElse(null),
event.isOnlineMode(),
((InboundConnection) inboundConnection).getHandshakeIntent(),
playerKey
);
if (connection.getProtocolVersion().noLessThan(ProtocolVersion.MINECRAFT_1_19_3)) {
TAB_LIST_SETTER.accept(player, new RewritingVelocityTabList(player));
} else if (connection.getProtocolVersion().noLessThan(ProtocolVersion.MINECRAFT_1_8)) {
TAB_LIST_SETTER.accept(player, new RewritingKeyedVelocityTabList(player, this.server));
} else {
TAB_LIST_SETTER.accept(player, new RewritingVelocityTabListLegacy(player, this.server));
}
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) >= 0) {
loginHandler.setPlayer(player);
}
if (this.server.canRegisterConnection(player)) {
if (!connection.isClosed()) {
// Complete the Login process.
int threshold = this.server.getConfiguration().getCompressionThreshold();
ChannelPipeline pipeline = connection.getChannel().pipeline();
boolean compressionEnabled = threshold >= 0 && connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_8) >= 0;
if (compressionEnabled) {
connection.write(new SetCompressionPacket(threshold));
this.plugin.fixDecompressor(pipeline, threshold, true);
if (!Settings.IMP.MAIN.COMPATIBILITY_MODE) {
pipeline.addFirst(Connections.COMPRESSION_ENCODER, new ChannelOutboundHandlerAdapter());
} else {
int level = this.server.getConfiguration().getCompressionLevel();
VelocityCompressor compressor = Natives.compress.get().create(level);
pipeline.addBefore(Connections.MINECRAFT_ENCODER, Connections.COMPRESSION_ENCODER,
new MinecraftCompressorAndLengthEncoder(threshold, compressor));
pipeline.remove(Connections.FRAME_ENCODER);
}
}
if (!Settings.IMP.MAIN.COMPATIBILITY_MODE) {
pipeline.remove(Connections.FRAME_ENCODER);
}
this.plugin.inject3rdParty(player, connection, pipeline);
if (compressionEnabled) {
pipeline.fireUserEventTriggered(VelocityConnectionEvent.COMPRESSION_ENABLED);
} else {
pipeline.fireUserEventTriggered(VelocityConnectionEvent.COMPRESSION_DISABLED);
}
VelocityConfiguration configuration = this.server.getConfiguration();
UUID playerUniqueID = player.getUniqueId();
if (configuration.getPlayerInfoForwardingMode() == PlayerInfoForwarding.NONE) {
playerUniqueID = UuidUtils.generateOfflinePlayerUuid(player.getUsername());
}
ServerLoginSuccessPacket success = new ServerLoginSuccessPacket();
success.setUsername(player.getUsername());
success.setProperties(player.getGameProfileProperties());
success.setUuid(playerUniqueID);
if (Settings.IMP.MAIN.COMPATIBILITY_MODE) {
connection.write(success);
} else {
ServerLoginSuccessHook successHook = new ServerLoginSuccessHook();
successHook.setUsername(player.getUsername());
successHook.setProperties(player.getGameProfileProperties());
successHook.setUuid(playerUniqueID);
connection.write(successHook);
ChannelHandler compressionHandler = pipeline.get(Connections.COMPRESSION_ENCODER);
if (compressionHandler != null) {
connection.write(this.plugin.encodeSingleLogin(success, connection.getProtocolVersion()));
} else {
ChannelHandler frameHandler = pipeline.get(Connections.FRAME_ENCODER);
if (frameHandler != null) {
pipeline.remove(frameHandler);
}
connection.write(this.plugin.encodeSingleLoginUncompressed(success, connection.getProtocolVersion()));
}
}
this.plugin.setInitialID(player, playerUniqueID);
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) >= 0) {
loginHandler.thenRun(() -> this.fireRegisterEvent(player, connection, inbound, handler));
} else {
connection.setState(StateRegistry.PLAY);
this.fireRegisterEvent(player, connection, inbound, handler);
}
}
} else {
player.disconnect0(Component.translatable("velocity.error.already-connected-proxy", NamedTextColor.RED), true);
}
} catch (Throwable e) {
inbound.getConnection().close();
throw e;
}
}
}
}
private void fireRegisterEvent(ConnectedPlayer player, MinecraftConnection connection,
InitialInboundConnection inbound, Object handler) {
this.server.getEventManager().fire(new LoginLimboRegisterEvent(player)).thenAcceptAsync(limboRegisterEvent -> {
LoginTasksQueue queue = new LoginTasksQueue(this.plugin, handler, this.server, player, inbound, limboRegisterEvent.getOnJoinCallbacks());
this.plugin.addLoginQueue(player, queue);
this.plugin.setKickCallback(player, limboRegisterEvent.getOnKickCallback());
queue.next();
}, connection.eventLoop()).exceptionally(t -> {
LimboAPI.getLogger().error("Exception while registering LimboAPI login handlers for {}.", player, t);
return null;
});
}
@Subscribe
public void hookPlaySession(ServerConnectedEvent event) {
ConnectedPlayer player = (ConnectedPlayer) event.getPlayer();
MinecraftConnection connection = player.getConnection();
// 1.20.2+ can ignore this, as it should be despawned by default
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) >= 0) {
return;
}
connection.eventLoop().execute(() -> {
if (!(connection.getActiveSessionHandler() instanceof ClientPlaySessionHandler)) {
try {
ClientPlaySessionHandler playHandler = new ClientPlaySessionHandler(this.server, player);
SPAWNED_FIELD.invokeExact(playHandler, this.plugin.isLimboJoined(player));
connection.setActiveSessionHandler(connection.getState(), playHandler);
} catch (Throwable e) {
throw new ReflectionException(e);
}
}
});
}
static {
CLOSED_MINECRAFT_CONNECTION = new ClosedMinecraftConnection(new ClosedChannel(new DummyEventPool()), null);
try {
CONNECTED_PLAYER_CONSTRUCTOR = MethodHandles.privateLookupIn(ConnectedPlayer.class, MethodHandles.lookup())
.findConstructor(ConnectedPlayer.class,
MethodType.methodType(
void.class,
VelocityServer.class,
GameProfile.class,
MinecraftConnection.class,
InetSocketAddress.class,
String.class,
boolean.class,
HandshakeIntent.class,
IdentifiedKey.class
)
);
DELEGATE_FIELD = MethodHandles.privateLookupIn(LoginInboundConnection.class, MethodHandles.lookup())
.findGetter(LoginInboundConnection.class, "delegate", InitialInboundConnection.class);
Field mcConnectionField = AuthSessionHandler.class.getDeclaredField("mcConnection");
mcConnectionField.setAccessible(true);
MC_CONNECTION_SETTER = LambdaUtil.setterOf(mcConnectionField);
SPAWNED_FIELD = MethodHandles.privateLookupIn(ClientPlaySessionHandler.class, MethodHandles.lookup())
.findSetter(ClientPlaySessionHandler.class, "spawned", boolean.class);
Field tabListField = ConnectedPlayer.class.getDeclaredField("tabList");
tabListField.setAccessible(true);
TAB_LIST_SETTER = LambdaUtil.setterOf(tabListField);
} catch (Throwable e) {
throw new ReflectionException(e);
}
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/login/LoginTasksQueue.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
* This file contains some parts of Velocity, licensed under the AGPLv3 License (AGPLv3).
*
* Copyright (C) 2018 Velocity Contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.login;
import com.velocitypowered.api.event.EventManager;
import com.velocitypowered.api.event.connection.DisconnectEvent;
import com.velocitypowered.api.event.connection.LoginEvent;
import com.velocitypowered.api.event.connection.PostLoginEvent;
import com.velocitypowered.api.event.permission.PermissionsSetupEvent;
import com.velocitypowered.api.event.player.GameProfileRequestEvent;
import com.velocitypowered.api.event.player.PlayerClientBrandEvent;
import com.velocitypowered.api.network.ProtocolVersion;
import com.velocitypowered.api.permission.PermissionFunction;
import com.velocitypowered.api.permission.PermissionProvider;
import com.velocitypowered.api.proxy.InboundConnection;
import com.velocitypowered.api.util.GameProfile;
import com.velocitypowered.proxy.VelocityServer;
import com.velocitypowered.proxy.connection.MinecraftConnection;
import com.velocitypowered.proxy.connection.client.AuthSessionHandler;
import com.velocitypowered.proxy.connection.client.ClientConfigSessionHandler;
import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
import com.velocitypowered.proxy.connection.client.InitialConnectSessionHandler;
import com.velocitypowered.proxy.network.Connections;
import com.velocitypowered.proxy.protocol.StateRegistry;
import com.velocitypowered.proxy.protocol.packet.LegacyPlayerListItemPacket;
import com.velocitypowered.proxy.protocol.packet.UpsertPlayerInfoPacket;
import com.velocitypowered.proxy.protocol.packet.chat.ComponentHolder;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoop;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.reflect.Field;
import java.util.EnumSet;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.Queue;
import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import java.util.function.BiConsumer;
import net.elytrium.commons.utils.reflection.ReflectionException;
import net.elytrium.limboapi.LimboAPI;
import net.elytrium.limboapi.injection.login.confirmation.LoginConfirmHandler;
import net.elytrium.limboapi.server.LimboSessionHandlerImpl;
import net.elytrium.limboapi.utils.LambdaUtil;
import net.kyori.adventure.text.Component;
import org.slf4j.Logger;
public class LoginTasksQueue {
private static final MethodHandle PROFILE_FIELD;
private static final PermissionProvider DEFAULT_PERMISSIONS;
private static final MethodHandle SET_PERMISSION_FUNCTION_METHOD;
private static final MethodHandle INITIAL_CONNECT_SESSION_HANDLER_CONSTRUCTOR;
private static final BiConsumer MC_CONNECTION_SETTER;
private static final MethodHandle CONNECT_TO_INITIAL_SERVER_METHOD;
private static final MethodHandle SET_CLIENT_BRAND;
public static final BiConsumer BRAND_CHANNEL_SETTER;
private final LimboAPI plugin;
private final Object handler;
private final VelocityServer server;
private final ConnectedPlayer player;
private final InboundConnection inbound;
private final Queue queue;
public LoginTasksQueue(LimboAPI plugin, Object handler, VelocityServer server, ConnectedPlayer player,
InboundConnection inbound, Queue queue) {
this.plugin = plugin;
this.handler = handler;
this.server = server;
this.player = player;
this.inbound = inbound;
this.queue = queue;
}
public void next() {
MinecraftConnection connection = this.player.getConnection();
if (connection.getChannel().isActive()) {
EventLoop eventLoop = connection.eventLoop();
if (this.queue.isEmpty()) {
eventLoop.execute(this::finish);
} else {
eventLoop.execute(Objects.requireNonNull(this.queue.poll()));
}
}
}
private void finish() {
this.plugin.removeLoginQueue(this.player);
EventManager eventManager = this.server.getEventManager();
MinecraftConnection connection = this.player.getConnection();
Logger logger = LimboAPI.getLogger();
this.plugin.getEventManagerHook().proceedProfile(this.player.getGameProfile());
eventManager.fire(new GameProfileRequestEvent(this.inbound, this.player.getGameProfile(), this.player.isOnlineMode())).thenAcceptAsync(
gameProfile -> {
try {
UUID uuid = this.plugin.getInitialID(this.player);
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_19_1) <= 0) {
connection.delayedWrite(new LegacyPlayerListItemPacket(
LegacyPlayerListItemPacket.REMOVE_PLAYER,
List.of(new LegacyPlayerListItemPacket.Item(uuid))
));
connection.delayedWrite(new LegacyPlayerListItemPacket(
LegacyPlayerListItemPacket.ADD_PLAYER,
List.of(
new LegacyPlayerListItemPacket.Item(uuid)
.setName(gameProfile.getUsername())
.setProperties(gameProfile.getGameProfile().getProperties())
)
));
} else if (connection.getState() != StateRegistry.CONFIG) {
UpsertPlayerInfoPacket.Entry playerInfoEntry = new UpsertPlayerInfoPacket.Entry(uuid);
playerInfoEntry.setDisplayName(new ComponentHolder(this.player.getProtocolVersion(), Component.text(gameProfile.getUsername())));
playerInfoEntry.setProfile(gameProfile.getGameProfile());
connection.delayedWrite(new UpsertPlayerInfoPacket(
EnumSet.of(
UpsertPlayerInfoPacket.Action.UPDATE_DISPLAY_NAME,
UpsertPlayerInfoPacket.Action.ADD_PLAYER),
List.of(playerInfoEntry)));
}
PROFILE_FIELD.invokeExact(this.player, gameProfile.getGameProfile());
// From Velocity.
eventManager
.fire(new PermissionsSetupEvent(this.player, DEFAULT_PERMISSIONS))
.thenAcceptAsync(event -> {
if (!connection.isClosed()) {
// Wait for permissions to load, then set the players' permission function.
PermissionFunction function = event.createFunction(this.player);
if (function == null) {
logger.error(
"A plugin permission provider {} provided an invalid permission function"
+ " for player {}. This is a bug in the plugin, not in Velocity. Falling"
+ " back to the default permission function.",
event.getProvider().getClass().getName(),
this.player.getUsername()
);
} else {
try {
SET_PERMISSION_FUNCTION_METHOD.invokeExact(this.player, function);
} catch (Throwable ex) {
logger.error("Exception while completing injection to {}", this.player, ex);
}
}
try {
this.initialize(connection);
} catch (Throwable e) {
throw new ReflectionException(e);
}
}
}, connection.eventLoop());
} catch (Throwable e) {
logger.error("Exception while completing injection to {}", this.player, e);
}
}, connection.eventLoop());
}
// From Velocity.
private void initialize(MinecraftConnection connection) throws Throwable {
connection.setAssociation(this.player);
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) < 0
|| connection.getState() != StateRegistry.CONFIG) {
this.plugin.setState(connection, StateRegistry.PLAY);
}
ChannelPipeline pipeline = connection.getChannel().pipeline();
this.plugin.deject3rdParty(pipeline);
if (pipeline.get(Connections.FRAME_ENCODER) == null) {
this.plugin.fixCompressor(pipeline, connection.getProtocolVersion());
}
Logger logger = LimboAPI.getLogger();
this.server.getEventManager().fire(new LoginEvent(this.player)).thenAcceptAsync(event -> {
if (connection.isClosed()) {
// The player was disconnected.
this.server.getEventManager().fireAndForget(new DisconnectEvent(this.player, DisconnectEvent.LoginStatus.CANCELLED_BY_USER_BEFORE_COMPLETE));
} else {
Optional reason = event.getResult().getReasonComponent();
if (reason.isPresent()) {
this.player.disconnect0(reason.get(), false);
} else {
if (this.server.registerConnection(this.player)) {
if (connection.getActiveSessionHandler() instanceof LoginConfirmHandler confirm) {
confirm.waitForConfirmation(() -> this.connectToServer(logger, this.player, connection));
} else {
this.connectToServer(logger, this.player, connection);
}
} else {
this.player.disconnect0(Component.translatable("velocity.error.already-connected-proxy"), false);
}
}
}
}, connection.eventLoop()).exceptionally(t -> {
logger.error("Exception while completing login initialisation phase for {}", this.player, t);
return null;
});
}
@SuppressFBWarnings("NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE")
private void connectToServer(Logger logger, ConnectedPlayer player, MinecraftConnection connection) {
if (connection.getProtocolVersion().compareTo(ProtocolVersion.MINECRAFT_1_20_2) < 0) {
try {
connection.setActiveSessionHandler(connection.getState(),
(InitialConnectSessionHandler) INITIAL_CONNECT_SESSION_HANDLER_CONSTRUCTOR.invokeExact(this.player, this.server));
} catch (Throwable e) {
throw new ReflectionException(e);
}
} else if (connection.getState() == StateRegistry.PLAY) {
// Synchronize with the client to ensure that it will not corrupt CONFIG state with PLAY packets
((LimboSessionHandlerImpl) connection.getActiveSessionHandler())
.disconnectToConfig(() -> this.connectToServer(logger, player, connection));
return; // Re-running this method due to synchronization with the client
} else {
ClientConfigSessionHandler configHandler = new ClientConfigSessionHandler(this.server, this.player);
// 1.20.2+ client doesn't send ClientSettings and brand while switching state,
// so we need to use packets that was sent during LOGIN completion.
if (connection.getActiveSessionHandler() instanceof LimboSessionHandlerImpl sessionHandler) {
if (sessionHandler.getSettings() != null) {
this.player.setClientSettings(sessionHandler.getSettings());
}
// TODO: also queue non-vanilla plugin messages?
if (sessionHandler.getBrand() != null) {
try {
this.server.getEventManager().fireAndForget(new PlayerClientBrandEvent(this.player, sessionHandler.getBrand()));
SET_CLIENT_BRAND.invokeExact(this.player, sessionHandler.getBrand());
BRAND_CHANNEL_SETTER.accept(configHandler, "minecraft:brand");
} catch (Throwable e) {
throw new ReflectionException(e);
}
}
}
this.plugin.setActiveSessionHandler(connection, StateRegistry.CONFIG, configHandler);
}
this.server.getEventManager().fire(new PostLoginEvent(this.player)).thenAccept(postLoginEvent -> {
try {
MC_CONNECTION_SETTER.accept(this.handler, connection);
CONNECT_TO_INITIAL_SERVER_METHOD.invoke((AuthSessionHandler) this.handler, this.player);
} catch (Throwable e) {
throw new ReflectionException(e);
}
});
}
static {
try {
PROFILE_FIELD = MethodHandles.privateLookupIn(ConnectedPlayer.class, MethodHandles.lookup())
.findSetter(ConnectedPlayer.class, "profile", GameProfile.class);
Field defaultPermissionsField = ConnectedPlayer.class.getDeclaredField("DEFAULT_PERMISSIONS");
defaultPermissionsField.setAccessible(true);
DEFAULT_PERMISSIONS = (PermissionProvider) defaultPermissionsField.get(null);
SET_PERMISSION_FUNCTION_METHOD = MethodHandles.privateLookupIn(ConnectedPlayer.class, MethodHandles.lookup())
.findVirtual(ConnectedPlayer.class, "setPermissionFunction", MethodType.methodType(void.class, PermissionFunction.class));
INITIAL_CONNECT_SESSION_HANDLER_CONSTRUCTOR = MethodHandles
.privateLookupIn(InitialConnectSessionHandler.class, MethodHandles.lookup())
.findConstructor(InitialConnectSessionHandler.class, MethodType.methodType(void.class, ConnectedPlayer.class, VelocityServer.class));
CONNECT_TO_INITIAL_SERVER_METHOD = MethodHandles.privateLookupIn(AuthSessionHandler.class, MethodHandles.lookup())
.findVirtual(AuthSessionHandler.class, "connectToInitialServer", MethodType.methodType(CompletableFuture.class, ConnectedPlayer.class));
Field mcConnectionField = AuthSessionHandler.class.getDeclaredField("mcConnection");
mcConnectionField.setAccessible(true);
MC_CONNECTION_SETTER = LambdaUtil.setterOf(mcConnectionField);
SET_CLIENT_BRAND = MethodHandles.privateLookupIn(ConnectedPlayer.class, MethodHandles.lookup())
.findVirtual(ConnectedPlayer.class, "setClientBrand", MethodType.methodType(void.class, String.class));
Field brandChannelField = ClientConfigSessionHandler.class.getDeclaredField("brandChannel");
brandChannelField.setAccessible(true);
BRAND_CHANNEL_SETTER = LambdaUtil.setterOf(brandChannelField);
} catch (Throwable e) {
throw new ReflectionException(e);
}
}
}
================================================
FILE: plugin/src/main/java/net/elytrium/limboapi/injection/login/confirmation/LoginConfirmHandler.java
================================================
/*
* Copyright (C) 2021 - 2025 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.elytrium.limboapi.injection.login.confirmation;
import com.velocitypowered.proxy.connection.MinecraftConnection;
import com.velocitypowered.proxy.connection.MinecraftSessionHandler;
import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
import com.velocitypowered.proxy.protocol.MinecraftPacket;
import com.velocitypowered.proxy.protocol.StateRegistry;
import com.velocitypowered.proxy.protocol.packet.LoginAcknowledgedPacket;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.util.ReferenceCountUtil;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import net.elytrium.commons.utils.reflection.ReflectionException;
import net.elytrium.limboapi.LimboAPI;
public class LoginConfirmHandler implements MinecraftSessionHandler {
private static final boolean BACKPRESSURE_LOG =
Boolean.getBoolean("velocity.log-server-backpressure");
private static final MethodHandle TEARDOWN_METHOD;
private final LimboAPI plugin;
private final CompletableFuture