Exclude CODEOWNERS from language statistics

Add CODEOWNERS (one staff approval)
No-op update checker
2026-10-27 08:25:14 -04:00 · 2026-10-27 08:25:14 -04:00 · 2026-06-17 04:12:41 -04:00 · 2026-03-25 12:59:10 -04:00 · 2026-03-25 10:16:10 -04:00 · 2026-03-25 05:22:35 -04:00
1507 changed files with 2976593 additions and 24963 deletions
@@ -0,0 +1,6 @@
+[*.java]
+indent_style = space
+indent_size = 4
+ij_continuation_indent_size = 8
+ij_java_names_count_to_use_import_on_demand = 9999
+ij_java_class_count_to_use_import_on_demand = 9999
@@ -0,0 +1 @@
+.gitea/CODEOWNERS linguist-detectable=false
@@ -0,0 +1,3 @@
+# Pull requests request review from the eligible staff team(s).
+# One approval from either an Admin or Developer satisfies branch protection.
+*   @trueog/Admins @trueog/Developers
@@ -1,5 +1,3 @@
 # These are supported funding model platforms

-github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: retrooper
-custom: ['https://paypal.me/retrooperdev']
+github: [retrooper]
@@ -1,7 +1,7 @@
 ---
 name: Bug report
-about: Report a bug to help us fix
-title: "[BUG REPORT]"
+about: Report bugs to help us improve our software.
+title: ""
 labels: bug
 assignees: ''

@@ -10,11 +10,21 @@ assignees: ''
 **Describe the bug**
 A clear and concise description of what the bug is.

-**To Reproduce**
+**Software brand**
+Please let us know what software you are using.
+Eg. Spigot 1.18.2, Paper 1.18.2, Tuinity 1.18.2, Pufferfish 1.18.2, etc...
+Make sure to mention the version of the software.
+
+**Plugins**
+Please give us a list of your plugins. Sometimes we run into incompatibilities. Having an overview of the plugins on your server can really help identify the problem quicker.
+Eg. ViaVersion, ProtocolLib, HolographicDisplays
+You may also provide a screenshot.
+
+**How To Reproduce**
 Steps to reproduce the behavior:
 *Example:*
-1. Login on the 1.16.4 minecraft client.
-2. Join the server while it is still starting up.
+1. Join with the 1.18.2 vanilla minecraft client.
+2. Spam
 3. ....
 4. See error

@@ -24,18 +34,5 @@ A clear and concise description of what you expected to happen.
 **Screenshots**
 If applicable, add screenshots to help explain your problem.

-**About your server (please complete the following information):**
- - Spigot: [eg. Paper or Tuinity]
-    We only accept reports that are reproducible
-    on one of the supported spigots.
- 
- Server Version: [eg. 1.16.4]
-    Feel free to report bugs for versions newer than 1.7.10, even if we
-    don’t support them yet, but be aware that we might have already
-    found the bug and fixed it in a dev build, just before you reported it.
-    Please don’t get frustrated in such cases.
-
- Plugins List if possible: [eg. ViaVersion, ProtocolLib, HolographicDisplays]
-
 **Additional context**
 Add any other context about the problem here.
@@ -1,6 +1,3 @@
-# This workflow will build a package using Gradle and then publish it to GitHub packages when a release is created
-# For more information see: https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#Publishing-using-gradle
-
 name: Gradle Package

 on: [ push, pull_request ]
@@ -11,23 +8,63 @@ jobs:
    runs-on: ubuntu-latest
    permissions:
      contents: read
-      packages: write

    steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 8
-      uses: actions/setup-java@v2
-      with:
-        java-version: '8'
-        distribution: 'adopt'
-        server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
-        settings-path: ${{ github.workspace }} # location for the settings.xml file
+      - uses: actions/checkout@v5

-    - name: Build with Gradle
-      run: gradle :clean :build
+      - name: Validate gradle wrapper
+        uses: gradle/actions/wrapper-validation@v5

-    - name: Upload build artifacts
-      uses: actions/upload-artifact@v1
-      with:
-        name: packetevents-dev-build.jar
-        path: build/libs
+      - name: Set up JDK 21
+        uses: actions/setup-java@v5
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: 'gradle'
+          server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
+          settings-path: ${{ github.workspace }} # location for the settings.xml file
+
+      - name: Build with Gradle
+        run: chmod +x gradlew && ./gradlew build
+
+      - name: Upload build artifacts api
+        uses: actions/upload-artifact@v4
+        with:
+          name: api-build
+          path: build/libs/packetevents-api-*.jar
+
+      - name: Upload build artifacts spigot
+        uses: actions/upload-artifact@v4
+        with:
+          name: spigot-build
+          path: build/libs/packetevents-spigot-*.jar
+
+      - name: Upload build artifacts netty-common
+        uses: actions/upload-artifact@v4
+        with:
+          name: netty-common-build
+          path: build/libs/packetevents-netty-common-*.jar
+
+      - name: Upload build artifacts bungeecord
+        uses: actions/upload-artifact@v4
+        with:
+          name: bungeecord-build
+          path: build/libs/packetevents-bungeecord-*.jar
+
+      - name: Upload build artifacts velocity
+        uses: actions/upload-artifact@v4
+        with:
+          name: velocity-build
+          path: build/libs/packetevents-velocity-*.jar
+
+      - name: Upload build artifacts fabric
+        uses: actions/upload-artifact@v4
+        with:
+          name: fabric-build
+          path: build/libs/packetevents-fabric-*.jar
+
+      - name: Upload build artifacts sponge
+        uses: actions/upload-artifact@v4
+        with:
+          name: sponge-build
+          path: build/libs/packetevents-sponge-*.jar
@@ -0,0 +1,51 @@
+name: Release
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    name: Publish Release
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Validate gradle wrapper
+        uses: gradle/actions/wrapper-validation@v5
+
+      - name: Setup java 21
+        uses: actions/setup-java@v5
+        with:
+          java-version: 21
+          distribution: temurin
+
+      - name: Prepare gradle
+        run: ./gradlew printVersion --no-daemon
+
+      - name: Extract changelog
+        id: changelog
+        run: |
+          OUTPUT_DELIMITER="$(uuidgen)"
+          echo "changelog<<$OUTPUT_DELIMITER" >> "$GITHUB_OUTPUT"
+          
+          # extract tag name and use it to get changelog section
+          TAG_NAME="v$(./gradlew -q --no-daemon printVersion)"
+          awk -v tag="${TAG_NAME}" '
+            $1 == "!!!!!" && $2 == tag {found=1; next}
+            $1 == "!!!!!" && found {exit}
+            found
+          ' CHANGELOG.md >> "$GITHUB_OUTPUT"
+          
+          # end output
+          echo "$OUTPUT_DELIMITER" >> "$GITHUB_OUTPUT"
+
+      - name: Publish plugin
+        env:
+          GITHUB_API_TOKEN: ${{ github.token }}
+          MODRINTH_API_TOKEN: ${{ secrets.MODRINTH_PUBLISH_TOKEN }}
+          CHANGELOG: ${{ steps.changelog.outputs.changelog }}
+        run: ./gradlew publishMods --no-daemon -PnoDryPublish
@@ -1,78 +1,18 @@
-#
-# JetBrains
-#
-
 # User-specific stuff
-.idea/**/workspace.xml
-.idea/**/tasks.xml
-.idea/**/usage.statistics.xml
-.idea/**/dictionaries
-.idea/**/shelf
+/.idea

-# Generated files
-.idea/**/contentModel.xml
-
-# Sensitive or high-churn files
-.idea/**/dataSources/
-.idea/**/dataSources.ids
-.idea/**/dataSources.local.xml
-.idea/**/sqlDataSources.xml
-.idea/**/dynamic.xml
-.idea/**/uiDesigner.xml
-.idea/**/dbnavigator.xml
-
-# Gradle
-.idea/**/gradle.xml
-.idea/**/libraries
-
-# Gradle and Maven with auto-import
-# When using Gradle or Maven with auto-import, you should exclude module files,
-# since they will be recreated, and may cause churn.  Uncomment if using
-# auto-import.
-# .idea/artifacts
-# .idea/compiler.xml
-# .idea/jarRepositories.xml
-# .idea/modules.xml
-# .idea/*.iml
-# .idea/modules
-# *.iml
-# *.ipr
-
-# CMake
-cmake-build-*/
-
-# Mongo Explorer plugin
-.idea/**/mongoSettings.xml
-
-# File-based project format
+*.iml
+*.ipr
 *.iws

+# IntelliJ
+out/
 # mpeltonen/sbt-idea plugin
 .idea_modules/

 # JIRA plugin
 atlassian-ide-plugin.xml

-# Cursive Clojure plugin
-.idea/replstate.xml
-
-# Crashlytics plugin (for Android Studio and IntelliJ)
-com_crashlytics_export_strings.xml
-crashlytics.properties
-crashlytics-build.properties
-fabric.properties
-
-# Editor-based Rest Client
-.idea/httpRequests
-
-# Android studio 3.1+ serialized cache file
-.idea/caches/build_file_checksums.ser
-
-
-#
-# Java
-#
-
 # Compiled class file
 *.class

@@ -82,9 +22,6 @@ fabric.properties
 # BlueJ files
 *.ctxt

-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
 # Package Files #
 *.jar
 *.war
@@ -97,21 +34,97 @@ fabric.properties
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*

-#
-# Maven
-#
-target/
-pom.xml.tag
-pom.xml.releaseBackup
-pom.xml.versionsBackup
-pom.xml.next
-release.properties
-dependency-reduced-pom.xml
-buildNumber.properties
-.mvn/timing.properties
-# https://github.com/takari/maven-wrapper#usage-without-binary-jar
-.mvn/wrapper/maven-wrapper.jar
-/src/main/resources/
-/.gradle/
+*~
+
+# 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
+build/
+bin/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Cache of project
+.gradletasknamecache
+
+**/build/
+
+# Common working directory
+run/
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+/src/main/resources/plugin.yml
 /.idea/
-/build/
+.vscode/
+.project
+.settings/
+.classpath
+
+# Build Source Kotlin
+/buildSrc/.kotlin/
+
+.env
@@ -0,0 +1,451 @@
+!!!!! v2.11.2
+
+# PacketEvents 2.11.2 is finally out! 🎉
+
+This update fixes various bugs. It's encouraged that users update.
+Again, huge thanks to all users who have donated their hard-earned money to PacketEvents since the previous release. It's been received & it's very much appreciated.
+
+Recent donors: PebbleHost, SSomar1607, ipavdev, Suleyman Abulkhasan, frap
+
+Also, thanks to the contributors that made this update possible.
+
+If you intend on donating and do not wish to be mentioned, please add such a note on your donation.
+
+# Announcement 📢⚠️
+
+Visit our website: https://packetevents.com\
+Documentation: https://docs.packetevents.com\
+JavaDocs: https://javadocs.packetevents.com\
+I've released a new YouTube [video](https://youtu.be/G7qYRHpZVIo).
+
+## What's Changed (Summary)
+* Fixed SynchronizedRegistriesHandler issues
+* Fixed various equality/nullability issues with Registry values
+* Explicitly specify 'Locale#ROOT' for all String#toLowerCaser() calls
+* Removed 'end skylight' for 1.21.8 and below
+* Log warning message when failing to uninject from velocity initializer
+* Recommend release builds (and fallback to development builds) to users who run outdated software.
+* Add 'CHAIN' to the 'CHAINS' tag
+* Add new offset(Blockface face, int i) method to Vector3f/d/i classes
+* Fixed 'infiniburn' tag parsing for 1.18.1 and older
+* Fixed unexpected NPE if bukkit entity is null during unsafe lookup
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.11.1...v2.11.2
+
+## If you want to support PacketEvents, consider donating to us on [PayPal](https://paypal.me/retrooperdev) or sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper).
+
+## Maven/Gradle Dependency Setup Guide
+
+**Check it out**: https://docs.packetevents.com/introduction/development-setup/
+
+
+!!!!! v2.11.1
+
+# PacketEvents 2.11.1 is finally out! 🎉
+
+This update fixes various bugs. It's encouraged that users update.
+Thanks to all users who donated after the previous release announcement. It's been received & it's appreciated.
+
+Recent donors: TrekCraft, 3add, Vadim Soudé
+
+If you intend on donating and do not wish to be mentioned, please add such a note on your donation.
+
+# Brief Announcement 📢⚠️
+
+### Visit our website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+* Fixed 'Can't resolve 'minecraft:day' in 'minecraft:timeline' for V_1_21_11'
+* Fixed decoding & encoding for WrapperLoginServerPluginRequest & WrapperLoginClientPluginResponse 
+* Improve StateTypes testing
+* Added system property packetevents.debug.nbt-codec-trace
+* Fixed Sound Codec
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.11.0...v2.11.1
+
+## If you want to support PacketEvents, consider donating to us on [PayPal](https://paypal.me/retrooperdev) or sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.11.0
+
+# PacketEvents 2.11.0 is finally out! 🎉
+
+This update adds support for Minecraft 1.21.11.
+
+# Brief Announcement 📢⚠️
+
+### Visit our website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+
+* Added support for Minecraft 1.21.11
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.10.1...v2.11.0
+
+## If you want to support PacketEvents, consider donating to us on [PayPal](https://paypal.me/retrooperdev) or sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.10.1
+
+# PacketEvents 2.10.1 is finally out! 🎉
+
+This update includes some bug fixes.
+
+# Brief Announcement 📢⚠️
+
+### Visit our website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+
+* Fixed for certain particle types on 1.21.9 & 1.21.10 Minecraft
+* Fixed the bee's component on 1.21.9 & 1.21.10 Minecraft
+* Correction of 'mul' calculation in LpVector3d
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.10.0...v2.10.1
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.10.0
+
+# PacketEvents 2.10.0 is finally out! 🎉
+
+This update includes critical bug fixes & minor additions to the API.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+
+* Added 1.21.9 & 1.21.10 support
+* Various bug fixes (such as TPS reading, PlayerModelType reading/writing, and more)
+* Update adventure API
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.9.5...v2.10.0
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.9.5
+
+# PacketEvents 2.9.5 is out now! 🎉
+
+This update includes critical bug fixes & minor additions to the API.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+
+* Injector bug fix (for Spigot)
+* WolfVariant issue fixed
+* Chunk Data error fixed
+* NBT tag issues fixed
+* Direction Y/Z axis being swapped fixed
+* Added WrappedBlockState to constructor of WrapperPlayServerBlockChange
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.9.4...v2.9.5
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.9.4
+
+# PacketEvents 2.9.4 is out now! 🎉
+
+This update includes minor bug fixes & minor additions to the API.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+
+* Added SpigotConversionUtil#getEntityMetadata to retrieve metadata from a Bukkit entity.
+* Fixed outdated 1.8 Spigot forks from being unable to load on PacketEvents.
+* Fixed WrapperPlayServerWorldBorder for versions lower than 1.12.
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.9.3...v2.9.4
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.9.3
+
+# PacketEvents 2.9.3 is out now! 🎉
+
+This is an update that adds support for Minecraft 1.21.8 server builds.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+
+* Added support for 1.21.8 Minecraft server builds.
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.9.2...v2.9.3
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.9.2
+
+# PacketEvents 2.9.2 is out now! 🎉
+
+This is a patch update that fixes issues with UserLoginEvent (which previously contained null user data) and with importing Adventure serializers.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed (Summary)
+
+* Added support for 1.7.2+ Minecraft protocol (useful for proxies)
+* Fixed UserLoginEvent. It is now (always) triggered by PlayerJoinEvent to prevent User instances from containing null data.
+* Fixed importing Adventure serializers.
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.9.1...v2.9.2
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.9.1
+
+# PacketEvents 2.9.1 is out now! 🎉
+
+This is a hotfix patch update to fix issues with 2.9.0 release assets. See below for the 2.9.0 changelog.
+
+### New update now supports Minecraft version 1.21.6 & 1.21.7. We suggest that you update, as numerous bugs have been fixed.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed? (Summary)
+
+* Added 1.21.6 support
+* Added 1.21.7 support
+* Bug fixes
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.8.0...v2.9.1
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.9.0
+
+# PacketEvents 2.9.0 is out now! 🎉
+
+### New update now supports Minecraft version 1.21.6 & 1.21.7. We suggest that you update, as numerous bugs have been fixed.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed? (Summary)
+
+* Added 1.21.6 support
+* Added 1.21.7 support
+* Bug fixes
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.8.0...v2.9.0
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.8.0
+
+# PacketEvents 2.8.0 is out now! 🎉
+
+### New update now supports Minecraft version 1.21.5. Please update, as numerous bugs have been fixed.
+
+# Brief Announcement 📢⚠️
+
+### We have our very own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed? (Summary)
+
+* Added 1.21.5 support
+* Various bugs fixed
+
+**View Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.7.0...v2.8.0
+
+## Contributors 🏅
+
+This update wouldn't be possible without these contributors ❤️: @booky10, @Axionize, @Bram1903, @ManInMyVan, @ytnoos,
+@AoElite, @HaHaWTH, @divinepablo, @scienziatopazzo, @bridgelol, @MachineBreaker, @Luuzzi, @Beaness, @Rubenicos, @Loyisa
+
+## New Contributors
+
+* @HaHaWTH made their first contribution in https://github.com/retrooper/packetevents/pull/1097
+* @divinepablo made their first contribution in https://github.com/retrooper/packetevents/pull/1098
+* @scienziatopazzo made their first contribution in https://github.com/retrooper/packetevents/pull/1105
+* @bridgelol made their first contribution in https://github.com/retrooper/packetevents/pull/1199
+* @Luuzzi made their first contribution in https://github.com/retrooper/packetevents/pull/1197
+* @Beaness made their first contribution in https://github.com/retrooper/packetevents/pull/1212
+* @Rubenicos made their first contribution in https://github.com/retrooper/packetevents/pull/1162
+* @Loyisa made their first contribution in https://github.com/retrooper/packetevents/pull/1220
+
+## If you want to support PacketEvents, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.7.0
+
+# PacketEvents v2.7.0 is out now! 🎉
+
+### New update with support of the latest Minecraft version. In addition to that, countless bugs were fixed.
+
+# Brief Announcement 📢⚠️
+
+### We have our own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed? (Summary)
+
+* Added 1.21.4 support
+* Fix: Potion contents item component for 1.21.2/1.21.3
+* Fix: NPC objects to have unique server team names
+* Add missing ServerVersion#V_1_9_1
+* Validation checks added for window click type
+
+**Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.6.0...v2.7.0
+
+## New Contributors
+
+* @Axionize made their first contribution in https://github.com/retrooper/packetevents/pull/1048
+* @ShreyasAyyengar made their first contribution in https://github.com/retrooper/packetevents/pull/1044
+* @mfnalex made their first contribution in https://github.com/retrooper/packetevents/pull/1076
+
+## Contributors 🏅
+
+This update wouldn't be possible without these contributors ❤️: @booky10, @rafi67000, @ShreyasAyyengar, @AoElite,
+@Tecnio, @Axionize, @mfnalex
+
+### If you want to support PacketEvents, and any upcoming events we plan for the future, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!! v2.6.0
+
+# PacketEvents v2.6.0 is out now! 🎉
+
+### New update with support of new platforms & the latest Minecraft version. In addition to that, countless bugs were fixed.
+
+# Brief Announcement 📢⚠️
+
+### We have our own website: https://packetevents.com
+
+### Documentation: https://docs.packetevents.com
+
+### JavaDocs: https://javadocs.packetevents.com
+
+## What's Changed? (Summary)
+
+* 1.21.2 and 1.21.3 Minecraft support
+* Sponge support added
+* Fabric support added (also server-side)
+* Utilizing the proper bStats API
+* Registry element issues fixed
+* Mappings issues fixed
+* AdvancedSlimePaper issues fixed
+* BungeeCord issues fixed
+
+### **Full Changelog**: https://github.com/retrooper/packetevents/compare/v2.5.0...v2.6.0
+
+## Contributors 🏅
+
+This update wouldn't be possible without these contributors ❤️: @booky10, @ManInMyVan, @SamB440, @rafi67000, @Bram1903,
+@AbhigyaKrishna
+
+### If you want to support PacketEvents, and any upcoming events we plan for the future, consider sponsoring us on [GitHub Sponsors](https://github.com/sponsors/retrooper)
+
+## Maven/Gradle Dependency
+
+### **Check out**: https://docs.packetevents.com/getting-started
+
+!!!!!
@@ -1,27 +1,40 @@
-# packetevents
+<!--suppress HtmlDeprecatedAttribute -->
+<div align="center">
+    <h2><i>PacketEvents</i></h2>
+    <h3>PacketEvents is a protocol library tailored to Minecraft Java Edition, designed to facilitate the processing and transmission of packets.</h3>
+    <a href="https://github.com/retrooper/packetevents/actions"><img src="https://img.shields.io/github/actions/workflow/status/retrooper/packetevents/gradle-publish.yml?style=for-the-badge&logo=github"></a>
+    <a href="https://discord.gg/DVHxPPxHZc"><img src="https://img.shields.io/discord/721686193061888071?color=5562e9&logo=discord&logoColor=white&style=for-the-badge"></a>
+    <img src="https://img.shields.io/github/license/retrooper/packetevents?style=for-the-badge&logo=github">
+    <a href="https://bstats.org/plugin/bukkit/packetevents/11327"><img src="https://img.shields.io/bstats/servers/11327?style=for-the-badge"></a>
+    <a href="https://github.com/retrooper/packetevents/releases"><img src="https://img.shields.io/github/downloads/retrooper/packetevents/total.svg?style=for-the-badge&logo=github"></a>
+</div>
+<h3>Resources</h3>

-[![](https://img.shields.io/badge/License-GPLv3-yellow.svg)](https://github.com/retrooper/packetevents/blob/dev/LICENSE)
-[![](https://jitpack.io/v/retrooper/packetevents.svg)](https://jitpack.io/#retrooper/packetevents)
+- [Read documentation](https://docs.packetevents.com/)
+    - [Getting Started](https://docs.packetevents.com/development-setup)
+    - [JavaDocs](https://javadocs.packetevents.com)
+- [Releases](https://github.com/retrooper/packetevents/releases/)
+    - [Modrinth](https://modrinth.com/plugin/packetevents)
+    - [GitHub](https://github.com/retrooper/packetevents/releases/)
+    - [SpigotMC](https://www.spigotmc.org/resources/packetevents-api.80279/)
+- [Development Builds](https://ci.codemc.io/job/retrooper/job/packetevents)
+- [Statistics](https://bstats.org/plugin/bukkit/packetevents/11327)

-PacketEvents is an open-source Packet API. It has many cross-version packet-wrappers. You can process incoming and outgoing packets on the server. You can even send packets with our packet-wrappers. We are here to save you a ton of time.
+<h3>Sponsors</h3>

-### Resources
-* [SpigotMC](https://www.spigotmc.org/resources/packetevents-api.80279/)
-* [JavaDoc](https://packetevents.github.io/javadocs)
-* [Discord](https://discord.me/packetevents)
+<i>Thanks to the following sponsors for supporting this project:</i>

-### Setup
-[Learn more](https://github.com/retrooper/packetevents/wiki/1.-Setup)
+<a href="https://pebblehost.com"><img src="https://pebblehost.com/src/img/logos/main-old.png" width=150><br>

-### Contributing/Forking
-[Learn more](https://github.com/retrooper/packetevents/wiki/2.-Contributing-and-Forking)\
-Our discord server has a role for contributors and forkers.
+<a href="https://www.ej-technologies.com"><img src="https://www.ej-technologies.com/images/product_banners/jprofiler_small.png"><br>

-### Sponsorships
-[![](https://www.ej-technologies.com/images/product_banners/jprofiler_small.png)](https://www.ej-technologies.com/products/jprofiler/overview.html)
+<h3>Credits</h3>

-### Statistics
-PacketEvents collects statistics anonymously using bStats. It helps give us an overview of what platforms use our project. If you really don't like, you can turn it off.
+<i>Here are some projects that we are heavily inspired by, thus we have integrated</i>\
+<i>small portions of their code into our work.</i>

-### Credit
-PacketEvents uses an injector that is extremely similar to ViaVersion's injector. I have included license and copyright holder notice in the files taken from ViaVersion. Thank you ViaVersion.
+[Protocol Documentation for the Minecraft Java Edition](https://minecraft.wiki/w/Minecraft_Wiki:Projects/wiki.vg_merge/Protocol)\
+[ViaVersion](https://github.com/ViaVersion/ViaVersion)\
+[ProtocolSupport](https://github.com/ProtocolSupport/ProtocolSupport)\
+[adventure](https://github.com/KyoriPowered/adventure)\
+[MCProtocolLib](https://github.com/GeyserMC/MCProtocolLib/)  
@@ -0,0 +1,93 @@
+import com.github.retrooper.compression.strategy.dir.JsonBase64DataDirStrategy
+import com.github.retrooper.compression.strategy.dir.JsonRegistryCompressionDirStrategy
+import com.github.retrooper.compression.strategy.dir.JsonToNbtDirStrategy
+import com.github.retrooper.excludeAdventure
+
+plugins {
+    packetevents.`shadow-conventions`
+    packetevents.`library-conventions`
+    `mapping-compression`
+    `pe-version`
+}
+
+// papermc repo + disableAutoTargetJvm needed for mockbukkit
+repositories {
+    maven("https://repo.papermc.io/repository/maven-public/")
+}
+
+java {
+    withJavadocJar()
+}
+
+dependencies {
+    compileOnlyApi(libs.bundles.adventure)
+    compileOnlyApi(libs.bundles.adventure.serializers)
+    implementation(libs.adventure.api)
+    api(project(":patch:adventure-text-serializer-gson", "shadow")) {
+        excludeAdventure()
+    }
+    api(libs.adventure.text.serializer.legacy) {
+        excludeAdventure()
+    }
+    compileOnly(libs.gson)
+
+}
+
+mappingCompression {
+    mappingDirectory = rootDir.resolve("mappings")
+    outDirectory = project.layout.buildDirectory.dir("mappings/generated/assets/mappings")
+
+    with<JsonToNbtDirStrategy> {
+        compress("data")
+    }
+    with<JsonBase64DataDirStrategy> {
+        compress("item_base_components")
+    }
+    with<JsonRegistryCompressionDirStrategy> {
+        compress("registries")
+    }
+}
+
+tasks {
+    assemble {
+        setDependsOn(dependsOn.filterNot { it == "shadowNoAdventure" })
+    }
+
+    javadoc {
+        mustRunAfter(generateVersionsFile)
+    }
+
+    sourcesJar {
+        mustRunAfter(generateVersionsFile)
+    }
+
+    withType<JavaCompile> {
+        dependsOn(generateVersionsFile)
+    }
+
+    processResources {
+        dependsOn(compressMappings)
+        from(project.layout.buildDirectory.dir("mappings/generated").get())
+    }
+
+    generateVersionsFile {
+        packageName = "com.github.retrooper.packetevents.util"
+    }
+
+    shadowJar {
+        exclude {
+            val path = it.path
+            path.startsWith("net/kyori") && !path.startsWith("net/kyori/adventure/text/serializer") && !path.startsWith(
+                "net/kyori/option"
+            )
+        }
+    }
+}
+
+publishing {
+    publications {
+        named<MavenPublication>("shadow") {
+            artifact(tasks["javadocJar"])
+        }
+    }
+}
@@ -0,0 +1,38 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents;
+
+import org.jetbrains.annotations.ApiStatus;
+
+public final class PacketEvents {
+    private static PacketEventsAPI<?> API;
+
+    //Put these variable names anywhere else, they are really only for the injectors
+    @ApiStatus.Internal
+    public static String IDENTIFIER, ENCODER_NAME, DECODER_NAME, CONNECTION_HANDLER_NAME, SERVER_CHANNEL_HANDLER_NAME,
+    TIMEOUT_HANDLER_NAME;
+
+    public static PacketEventsAPI<?> getAPI() {
+        return API;
+    }
+
+    public static void setAPI(PacketEventsAPI<?> api) {
+        API = api;
+    }
+}
@@ -0,0 +1,91 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents;
+
+import com.github.retrooper.packetevents.event.EventManager;
+import com.github.retrooper.packetevents.injector.ChannelInjector;
+import com.github.retrooper.packetevents.manager.player.PlayerManager;
+import com.github.retrooper.packetevents.manager.protocol.ProtocolManager;
+import com.github.retrooper.packetevents.manager.server.ServerManager;
+import com.github.retrooper.packetevents.netty.NettyManager;
+import com.github.retrooper.packetevents.settings.PacketEventsSettings;
+import com.github.retrooper.packetevents.util.LogManager;
+import com.github.retrooper.packetevents.util.PEVersion;
+//Note: The PEVersions class is generated. Refer to PEVersionTask.kt
+import com.github.retrooper.packetevents.util.PEVersions;
+import com.github.retrooper.packetevents.util.updatechecker.UpdateChecker;
+
+import java.util.logging.Logger;
+
+public abstract class PacketEventsAPI<T> {
+    private final EventManager eventManager = new EventManager();
+    private final PacketEventsSettings settings = new PacketEventsSettings();
+    private final UpdateChecker updateChecker = new UpdateChecker();
+    private final LogManager logManager = new LogManager();
+    private static final Logger LOGGER = Logger.getLogger(PacketEventsAPI.class.getName());
+
+    public EventManager getEventManager() {
+        return eventManager;
+    }
+
+    public PacketEventsSettings getSettings() {
+        return settings;
+    }
+
+    public UpdateChecker getUpdateChecker() {
+        return updateChecker;
+    }
+
+    public PEVersion getVersion() {
+        //Note: The PEVersions class is generated by the auto-version task. Refer to PEVersionTask.kt
+        return PEVersions.CURRENT;
+    }
+
+    public Logger getLogger() {
+        return LOGGER;
+    }
+
+    public LogManager getLogManager() {
+        return logManager;
+    }
+
+    public abstract void load();
+
+    public abstract boolean isLoaded();
+
+    public abstract void init();
+
+    public abstract boolean isInitialized();
+
+    public abstract void terminate();
+
+    public abstract boolean isTerminated();
+
+    public abstract T getPlugin();
+
+    public abstract ServerManager getServerManager();
+
+    public abstract ProtocolManager getProtocolManager();
+
+    public abstract PlayerManager getPlayerManager();
+
+    public abstract NettyManager getNettyManager();
+
+    public abstract ChannelInjector getInjector();
+}
@@ -0,0 +1,28 @@
+package com.github.retrooper.packetevents.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.lang.annotation.Documented;
+
+/**
+ * Marks an API element as obsolete and makes this information available
+ * at runtime via reflection. Use in conjunction with an IDE-recognized
+ * annotation like @ApiStatus.Obsolete if IDE warnings are also desired.
+ */
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.FIELD}) // Adjust targets as needed
+public @interface RuntimeObsolete {
+    /**
+     * Specifies in which version the API became obsolete.
+     * Should generally match the value in the corresponding @ApiStatus.Obsolete annotation.
+     */
+    String since() default "";
+
+    /**
+     * Optional: Add a reason or replacement suggestion.
+     */
+    String reason() default "";
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,23 +16,24 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event.eventtypes;
+package com.github.retrooper.packetevents.event;

-import io.github.retrooper.packetevents.event.PacketEvent;
-import io.github.retrooper.packetevents.event.PacketListenerAbstract;
-import io.github.retrooper.packetevents.event.impl.PacketPlayReceiveEvent;
+import org.jspecify.annotations.NullMarked;

 /**
 * The {@link PacketEvent} implements this interface.
- * Every inbuilt event should implement the {@link #call(PacketListenerAbstract)} method.
+ * Every inbuilt event should implement the {@link #call(PacketListenerCommon)} method.
 * If you are making a custom event, don't implement this.
- * The {@link PacketListenerAbstract#onPacketEventExternal(PacketEvent)} method is called for every event that is not in-built.
+ * The {@link PacketListenerCommon#onPacketEventExternal(PacketEvent)} method is called for every event that is not in-built.
 * including custom events.
 *
 * @author retrooper
- * @see PacketPlayReceiveEvent
 * @since 1.8
 */
+@NullMarked
 public interface CallableEvent {
-    void call(PacketListenerAbstract listener);
+
+    default void call(PacketListenerCommon listener) {
+        listener.onPacketEventExternal((PacketEvent) this);
+    }
 }
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,9 +16,9 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event.eventtypes;
+package com.github.retrooper.packetevents.event;

-import io.github.retrooper.packetevents.event.impl.PacketPlayReceiveEvent;
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;

 /**
 * Every event that supports cancellation should implement this interface.
@@ -26,11 +26,11 @@ import io.github.retrooper.packetevents.event.impl.PacketPlayReceiveEvent;
 * in deciding whether the event will cancel.
 * This means an event with a lower priority than the higher priority one would not be able to decide.
 * Cancelling the event means the action assosiated with the event will be cancelled.
- * For example, cancelling the {@link PacketPlayReceiveEvent}
+ * For example, cancelling the {@link PacketReceiveEvent}
 * will prevent minecraft from processing the incoming packet.
 *
 * @author retrooper
- * @see PacketPlayReceiveEvent
+ * @see PacketReceiveEvent
 * @since 1.7
 */
 public interface CancellableEvent {
@@ -0,0 +1,185 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.exception.InvalidHandshakeException;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.logging.Level;
+
+/**
+ * Class for event managing. Implements both, internal and API methods.
+ *
+ * @apiNote It is highly recommended to register the event listeners at server start-up,
+ * without frequent modifications during runtime, since this class needs to recalculate all of
+ * its event listeners during any modifications. In other words, it assumes that reads (events fired)
+ * greatly outnumber writes (listeners modifications). If your case requires frequent listener modifications,
+ * open a pull request on GitHub and describe your case.
+ *
+ * @author retrooper
+ * @author ShadowOfHeaven (optimization)
+ *
+ */
+
+public class EventManager {
+
+    //Using a ConcurrentHashMap is faster and more secure here, compared to Collections.synchronizedMap(new EnumMap<>(PacketListenerPriority.class))
+    //This is mainly due to:
+    //1. On each modification Collections.synchronizedMap synchronizes the whole Map object, while ConcurrentHashMap only it's internal, currently modified Node
+    //2. ConcurrentHashMap won't fail in a multi-thread environment, while Collections.synchronizedMap is said to have a lot of potential problems,
+    //being a generalized method for synchronization
+    private final Map<PacketListenerPriority, Set<PacketListenerCommon>> listenersMap = new ConcurrentHashMap<>();
+    //Since reads greatly outnumber writes, create an array for the best possible iteration time
+    //Updated as a whole on writes, no index modifications are allowed
+    private volatile PacketListenerCommon[] listeners = new PacketListenerCommon[0];
+
+
+    /**
+     * Call the PacketEvent.
+     * This method processes the event on all the registered dynamic packet event listeners.
+     * The {@link PacketListenerPriority#LOWEST} prioritized listeners will be processing first,
+     * the {@link PacketListenerPriority#MONITOR} will be processing last and can
+     * be the final decider whether the event has been cancelled or not.
+     *
+     * @param event {@link PacketEvent}
+     */
+    public void callEvent(PacketEvent event) {
+        callEvent(event, null);
+    }
+
+
+    /**
+     * Call the PacketEvent.
+     * This method processes the event on all the registered dynamic packet event listeners.
+     * The {@link PacketListenerPriority#LOWEST} prioritized listeners will be processing first,
+     * the {@link PacketListenerPriority#MONITOR} will be processing last and can
+     * be the final decider whether the event has been cancelled or not.
+     *
+     * @param event                  {@link PacketEvent}
+     * @param postCallListenerAction The action to be run after all the listeners have finished processing
+     */
+    public void callEvent(PacketEvent event, @Nullable Runnable postCallListenerAction) {
+        for (PacketListenerCommon listener : listeners) {
+            try {
+                event.call(listener);
+            } catch (Exception t) {
+                // ignore handshake exceptions
+                if (t.getClass() != InvalidHandshakeException.class && (t.getCause() == null || t.getCause().getClass() != InvalidHandshakeException.class)) {
+                    PacketEvents.getAPI().getLogger().log(Level.WARNING, "PacketEvents caught an unhandled exception while calling your listener.", t);
+                }
+            }
+            if (postCallListenerAction != null) {
+                postCallListenerAction.run();
+            }
+        }
+        // For performance reasons, we don't want to re-encode the packet if it's not needed.
+        if (event instanceof ProtocolPacketEvent && !((ProtocolPacketEvent) event).needsReEncode()) {
+            ((ProtocolPacketEvent) event).setLastUsedWrapper(null);
+        }
+    }
+
+    /**
+     * Register the dynamic packet event listener.
+     *
+     * @param listener {@link PacketListenerCommon}
+     * @param priority {@link PacketListenerPriority}
+     */
+    public PacketListenerCommon registerListener(PacketListener listener, PacketListenerPriority priority) {
+        PacketListenerCommon packetListenerAbstract = listener.asAbstract(priority);
+        return registerListener(packetListenerAbstract);
+    }
+
+    /**
+     * Register the dynamic packet event listener.
+     *
+     * @param listener {@link PacketListenerCommon}
+     */
+    public PacketListenerCommon registerListener(PacketListenerCommon listener) {
+        this.registerListenerNoRecalculation(listener);
+        this.recalculateListeners();
+        return listener;
+    }
+
+    /**
+     * Register multiple dynamic packet event listeners with one method.
+     *
+     * @param listeners {@link PacketListenerCommon}
+     */
+    public PacketListenerCommon[] registerListeners(PacketListenerCommon... listeners) {
+        for (PacketListenerCommon listener : listeners) {
+            this.registerListenerNoRecalculation(listener);
+        }
+        this.recalculateListeners();
+        return listeners;
+    }
+
+    public void unregisterListener(PacketListenerCommon listener) {
+        if (this.unregisterListenerNoRecalculation(listener)) this.recalculateListeners();
+    }
+
+    public void unregisterListeners(PacketListenerCommon... listeners) {
+        boolean modified = false;
+        for (PacketListenerCommon listener : listeners) {
+            modified |= this.unregisterListenerNoRecalculation(listener);//OR - at least one of these needs to be true to return true, meaning the boolean will permanently stay true if once set so
+        }
+        if (modified) this.recalculateListeners();
+    }
+
+
+    /**
+     * Unregister all dynamic packet event listeners.
+     */
+    public void unregisterAllListeners() {
+        this.listenersMap.clear();
+        synchronized (this) {//like booky10 said, the synchronization is necessary here
+            this.listeners = new PacketListenerCommon[0];
+        }
+    }
+
+    //Needs to be synchronized in order to avoid race conditions (for example where the 'listeners' variable
+    //is overridden by its non-up-to-date value, simply because it finished a bit later than the most recent update)
+    private void recalculateListeners() {
+        synchronized (this) {
+            List<PacketListenerCommon> list = new ArrayList<>();
+            //adds from LOWEST to MONITOR, so in the correct order
+            for (PacketListenerPriority priority : PacketListenerPriority.values()) {
+                Set<PacketListenerCommon> set = this.listenersMap.get(priority);
+                if (set != null) list.addAll(set);
+            }
+            this.listeners = list.toArray(new PacketListenerCommon[0]);
+        }
+    }
+
+    //Internal registration methods, specifically separated for lesser overhead when registering an array of Listeners
+
+    private void registerListenerNoRecalculation(PacketListenerCommon listener) {
+        Set<PacketListenerCommon> listenerSet = this.listenersMap.computeIfAbsent(listener.getPriority(), p -> new CopyOnWriteArraySet<>());
+        listenerSet.add(listener);
+    }
+
+    //Returns true if the listener was removed, so a modification occurred
+    private boolean unregisterListenerNoRecalculation(PacketListenerCommon listener) {
+        Set<PacketListenerCommon> listenerSet = this.listenersMap.get(listener.getPriority());
+        return listenerSet != null && listenerSet.remove(listener);
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,10 +16,12 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event;
+package com.github.retrooper.packetevents.event;


-import io.github.retrooper.packetevents.event.eventtypes.CallableEvent;
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.util.TimeStampMode;
+import org.jspecify.annotations.NullMarked;

 /**
 * An event in both of PacketEvents' event systems.
@@ -27,8 +29,26 @@ import io.github.retrooper.packetevents.event.eventtypes.CallableEvent;
 * @author retrooper
 * @since 1.2.6
 */
+@NullMarked
 public abstract class PacketEvent implements CallableEvent {
-    private long timestamp = System.currentTimeMillis();
+
+    private final long timestamp;
+
+    public PacketEvent() {
+        TimeStampMode timeStampMode = PacketEvents.getAPI().getSettings()
+                .getTimeStampMode();
+        switch (timeStampMode) {
+            case MILLIS:
+                timestamp = System.currentTimeMillis();
+                break;
+            case NANO:
+                timestamp = System.nanoTime();
+                break;
+                //AKA NONE:
+            default:
+                timestamp = 0L;
+        }
+    }

    /**
     * Timestamp of when the PacketEvent was created.
@@ -40,20 +60,7 @@ public abstract class PacketEvent implements CallableEvent {
        return timestamp;
    }

-    /**
-     * Setter for the timestamp.
-     *
-     * @param timestamp Packet timestamp in milliseconds.
-     */
-    public void setTimestamp(final long timestamp) {
-        this.timestamp = timestamp;
-    }
-
-    public void callPacketEventExternal(final PacketListenerAbstract listener) {
+    public void callPacketEventExternal(PacketListenerCommon listener) {
        listener.onPacketEventExternal(this);
    }
-
-    public boolean isInbuilt() {
-        return false;
-    }
-}
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,24 +16,14 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event.annotation;
+package com.github.retrooper.packetevents.event;

 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;

-/**
- * This is what you override your event listener with on the old event system.
- * You can specify the event priority of the listener method.
- *
- * @author retrooper
- * @since 1.0
- * @deprecated Was used for the old event system, the new one doesn't need this anymore.
- */
@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
-@Deprecated
 public @interface PacketHandler {
-    byte priority() default 2; //NORMAL priority value
 }
@@ -0,0 +1,73 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+public interface PacketListener {
+    default PacketListenerAbstract asAbstract(PacketListenerPriority priority) {
+        return new PacketListenerAbstract(priority) {
+            @Override
+            public void onUserConnect(UserConnectEvent event) {
+                PacketListener.this.onUserConnect(event);
+            }
+
+            @Override
+            public void onUserLogin(UserLoginEvent event) {
+                PacketListener.this.onUserLogin(event);
+            }
+
+            @Override
+            public void onUserDisconnect(UserDisconnectEvent event) {
+                PacketListener.this.onUserDisconnect(event);
+            }
+
+            @Override
+            public void onPacketReceive(PacketReceiveEvent event) {
+                PacketListener.this.onPacketReceive(event);
+            }
+
+            @Override
+            public void onPacketSend(PacketSendEvent event) {
+                PacketListener.this.onPacketSend(event);
+            }
+
+            @Override
+            public void onPacketEventExternal(PacketEvent event) {
+                PacketListener.this.onPacketEventExternal(event);
+            }
+        };
+    }
+
+    default void onUserConnect(UserConnectEvent event) {
+    }
+
+    default void onUserLogin(UserLoginEvent event) {
+    }
+
+    default void onUserDisconnect(UserDisconnectEvent event) {
+    }
+
+    default void onPacketReceive(PacketReceiveEvent event) {
+    }
+
+    default void onPacketSend(PacketSendEvent event) {
+    }
+
+    default void onPacketEventExternal(PacketEvent event) {
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,20 +16,24 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.utils.google;
+package com.github.retrooper.packetevents.event;

-import com.google.common.base.Optional;
-
-public class GoogleOptionalUtils {
-    public static Object getOptionalValue(Object opt) {
-        return ((Optional<?>) opt).get();
+public abstract class PacketListenerAbstract extends PacketListenerCommon {
+    public PacketListenerAbstract(PacketListenerPriority priority) {
+        super(priority);
    }

-    public static Object getOptionalEmpty() {
-        return Optional.absent();
+    public PacketListenerAbstract() {
+        super();
    }

-    public static Object getOptional(Object value) {
-        return Optional.of(value);
+    @Override
+    public void onPacketReceive(PacketReceiveEvent event) {
+
+    }
+
+    @Override
+    public void onPacketSend(PacketSendEvent event) {
+
    }
 }
@@ -0,0 +1,64 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Abstract packet listener.
+ *
+ * @author retrooper
+ * @since 1.8
+ */
+public abstract class PacketListenerCommon {
+    private final PacketListenerPriority priority;
+
+    public PacketListenerCommon(PacketListenerPriority priority) {
+        this.priority = priority;
+    }
+
+    public PacketListenerCommon() {
+        this.priority = PacketListenerPriority.NORMAL;
+    }
+
+    public PacketListenerPriority getPriority() {
+        return priority;
+    }
+
+    public void onUserConnect(UserConnectEvent event) {
+    }
+
+    public void onUserLogin(UserLoginEvent event) {
+    }
+
+    public void onUserDisconnect(UserDisconnectEvent event) {
+    }
+
+    void onPacketReceive(PacketReceiveEvent event) {
+    }
+
+    void onPacketSend(PacketSendEvent event) {
+    }
+
+    public void onPacketEventExternal(PacketEvent event) {
+    }
+
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,7 +16,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event;
+package com.github.retrooper.packetevents.event;

 /**
 * The priority of packet listeners affect the order they will be invoked in.
@@ -30,8 +30,7 @@ package io.github.retrooper.packetevents.event;
 */
 public enum PacketListenerPriority {
    /**
-     * Listener is of very low importance.
-     * This listener will be ran first.
+     * This listener will be run first and has little say in the outcome of events.
     */
    LOWEST,

@@ -41,8 +40,11 @@ public enum PacketListenerPriority {
    LOW,

    /**
-     * Default listener priority.
-     * Listener is neither important nor unimportant and may run normally.
+     * The normal listener priority.
+     * If possible, always pick this.
+     * It allows other projects to easily overturn your decisions.
+     * Moreover, it is pretty bold to assume that your project should
+     * always have the final say.
     */
    NORMAL,

@@ -52,13 +54,13 @@ public enum PacketListenerPriority {
    HIGH,

    /**
-     * Listener is of critical importance and wants to decide the cancellation of an event.
+     * Listener is of critical importance. Use this to decide the final state of packets.
     */
    HIGHEST,

    /**
-     * Listener is purely trying to decide the cancellation of an event.
-     * This listener should be ran last.
+     * Only use this priority if you want to perform logic based on the outcome of an event.
+     * Please do not modify packets in this stage.
     */
    MONITOR;

@@ -0,0 +1,61 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.PacketSide;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketReceiveEvent extends ProtocolPacketEvent {
+
+    protected PacketReceiveEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(PacketSide.CLIENT, channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketReceiveEvent(
+            int packetID, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetID, packetType, serverVersion,
+                channel, user, player, byteBuf);
+    }
+
+    @Override
+    public void call(PacketListenerCommon listener) {
+        listener.onPacketReceive(this);
+    }
+
+    @Override
+    public PacketReceiveEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketReceiveEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+}
@@ -0,0 +1,78 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.PacketSide;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@NullMarked
+public class PacketSendEvent extends ProtocolPacketEvent {
+
+    private @Nullable List<Runnable> tasksAfterSend = null;
+
+    protected PacketSendEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(PacketSide.SERVER, channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketSendEvent(
+            int packetID, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetID, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public void call(PacketListenerCommon listener) {
+        listener.onPacketSend(this);
+    }
+
+
+    public List<Runnable> getTasksAfterSend() {
+        if (tasksAfterSend == null) {
+            tasksAfterSend = new ArrayList<>();
+        }
+        return tasksAfterSend;
+    }
+
+    public boolean hasTasksAfterSend() {
+        return tasksAfterSend != null && !tasksAfterSend.isEmpty();
+    }
+
+    @Override
+    public PacketSendEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketSendEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,23 +16,24 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event.eventtypes;
+package com.github.retrooper.packetevents.event;

-import io.github.retrooper.packetevents.event.impl.PacketPlayReceiveEvent;
-import org.bukkit.entity.Player;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;

 /**
 * Every event that has an associated player is recommended to implement this interface.
 *
 * @author retrooper
- * @see PacketPlayReceiveEvent
 * @since 1.6.9
 */
+@NullMarked
 public interface PlayerEvent {
+
    /**
     * Associated player.
     *
     * @return Player.
     */
-    Player getPlayer();
+    <T> @UnknownNullability T getPlayer();
 }
@@ -0,0 +1,263 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.exception.InvalidDisconnectPacketSend;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.netty.buffer.UnpooledByteBufAllocationHelper;
+import com.github.retrooper.packetevents.netty.channel.ChannelHelper;
+import com.github.retrooper.packetevents.protocol.ConnectionState;
+import com.github.retrooper.packetevents.protocol.PacketSide;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.protocol.player.User;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+import java.util.ArrayList;
+import java.util.List;
+
+@NullMarked
+public abstract class ProtocolPacketEvent extends PacketEvent implements PlayerEvent, CancellableEvent, UserEvent {
+
+    private final int packetID;
+    private final PacketTypeCommon packetType;
+    private ServerVersion serverVersion;
+
+    private final Object channel;
+    private final ConnectionState connectionState;
+    private final User user;
+
+    private @UnknownNullability Object player;
+    private Object byteBuf;
+
+    private boolean cancel;
+    private @Nullable PacketWrapper<?> lastUsedWrapper;
+    private @Nullable List<Runnable> postTasks = null;
+
+    private boolean cloned;
+    private boolean needsReEncode = PacketEvents.getAPI().getSettings().reEncodeByDefault();
+
+    public ProtocolPacketEvent(
+            PacketSide packetSide, Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        this.channel = channel;
+        this.user = user;
+        this.player = player;
+
+        if (autoProtocolTranslation || user.getClientVersion() == null) {
+            this.serverVersion = PacketEvents.getAPI().getServerManager().getVersion();
+        } else {
+            this.serverVersion = user.getPacketVersion().toServerVersion();
+        }
+
+        this.byteBuf = byteBuf;
+        int size = ByteBufHelper.readableBytes(byteBuf);
+        if (size == 0) {
+            throw new PacketProcessException("Trying to process a packet, but it has no content. (Size=0)");
+        }
+        try {
+            this.packetID = ByteBufHelper.readVarInt(byteBuf);
+        } catch (Exception e) {
+            throw new PacketProcessException("Failed to read the Packet ID of a packet. (Size: " + size + ")");
+        }
+
+        ClientVersion version = serverVersion.toClientVersion();
+        this.connectionState = packetSide == PacketSide.CLIENT ? user.getDecoderState() : user.getEncoderState();
+        PacketTypeCommon packetType = PacketType.getById(packetSide, this.connectionState, version, this.packetID);
+        if (packetType == null) {
+            // mojang messed up and keeps sending disconnect packets in the wrong protocol state
+            if (PacketType.getById(packetSide, ConnectionState.PLAY, version, packetID) == PacketType.Play.Server.DISCONNECT) {
+                throw new InvalidDisconnectPacketSend();
+            }
+            throw new PacketProcessException("Failed to map the Packet ID " + packetID + " to a PacketType constant. Bound: " + packetSide.getOpposite() + ", Connection state: " + user.getDecoderState() + ", Server version: " + serverVersion.getReleaseName());
+        }
+        this.packetType = packetType;
+    }
+
+    public ProtocolPacketEvent(
+            int packetID, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) {
+        this.channel = channel;
+        this.user = user;
+        this.player = player;
+        this.serverVersion = serverVersion;
+        this.byteBuf = byteBuf;
+        this.packetID = packetID;
+        this.packetType = packetType;
+
+        this.connectionState = (packetType != null && packetType.getSide() == PacketSide.SERVER)
+                ? user.getEncoderState() : user.getDecoderState();
+        this.cloned = true;
+    }
+
+    public void markForReEncode(boolean needsReEncode) {
+        this.needsReEncode = needsReEncode;
+    }
+
+    public boolean needsReEncode() {
+        return needsReEncode;
+    }
+
+    public boolean isClone() {
+        return cloned;
+    }
+
+    public Object getChannel() {
+        return channel;
+    }
+
+    public SocketAddress getAddress() {
+        return ChannelHelper.remoteAddress(this.channel);
+    }
+
+    /**
+     * <strong>WARNING:</strong> This doesn't support local addresses or unix sockets.
+     */
+    public InetSocketAddress getSocketAddress() {
+        return (InetSocketAddress) this.getAddress();
+    }
+
+    @Override
+    public User getUser() {
+        return user;
+    }
+
+    @Override
+    public <T> @UnknownNullability T getPlayer() {
+        return (T) player;
+    }
+
+    @Deprecated
+    @ApiStatus.Internal
+    public void setPlayer(Object player) {
+        this.player = player;
+    }
+
+    /**
+     * Gets the connection state this packet has been sent/received in.
+     */
+    public ConnectionState getConnectionState() {
+        return connectionState;
+    }
+
+    @Deprecated
+    public ClientVersion getClientVersion() {
+        return user.getClientVersion();
+    }
+
+    @Deprecated
+    public void setClientVersion(ClientVersion clientVersion) {
+        PacketEvents.getAPI().getLogManager().debug("Setting client version with deprecated method " + clientVersion.getReleaseName());
+        user.setClientVersion(clientVersion);
+    }
+
+    public ServerVersion getServerVersion() {
+        return serverVersion;
+    }
+
+    @Deprecated
+    public void setServerVersion(ServerVersion serverVersion) {
+        this.serverVersion = serverVersion;
+    }
+
+    public Object getByteBuf() {
+        return byteBuf;
+    }
+
+    public void setByteBuf(Object byteBuf) {
+        this.byteBuf = byteBuf;
+    }
+
+    public int getPacketId() {
+        return packetID;
+    }
+
+    public PacketTypeCommon getPacketType() {
+        return packetType;
+    }
+
+    @Deprecated
+    public String getPacketName() {
+        return ((Enum<?>) packetType).name();
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return this.cancel;
+    }
+
+    @Override
+    public void setCancelled(boolean val) {
+        this.cancel = val;
+    }
+
+    @Nullable
+    public PacketWrapper<?> getLastUsedWrapper() {
+        return lastUsedWrapper;
+    }
+
+    public void setLastUsedWrapper(@Nullable PacketWrapper<?> lastUsedWrapper) {
+        this.lastUsedWrapper = lastUsedWrapper;
+    }
+
+    public List<Runnable> getPostTasks() {
+        if (postTasks == null) {
+            postTasks = new ArrayList<>();
+        }
+        return postTasks;
+    }
+
+    public boolean hasPostTasks() {
+        return postTasks != null && !postTasks.isEmpty();
+    }
+
+    @Override
+    public ProtocolPacketEvent clone() {
+        return this instanceof PacketReceiveEvent ? ((PacketReceiveEvent) this).clone()
+                : ((PacketSendEvent) this).clone();
+    }
+
+    public void cleanUp() {
+        if (isClone()) {
+            ByteBufHelper.release(byteBuf);
+        }
+    }
+
+    public Object getFullBufferClone() {
+        byte[] data = ByteBufHelper.copyBytes(getByteBuf());
+        Object buffer = UnpooledByteBufAllocationHelper.buffer();
+        ByteBufHelper.writeVarInt(buffer, getPacketId());
+        ByteBufHelper.writeBytes(buffer, data);
+        return buffer;
+    }
+}
@@ -0,0 +1,94 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+import com.github.retrooper.packetevents.event.simple.*;
+
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.Map;
+
+public abstract class SimplePacketListenerAbstract extends PacketListenerCommon {
+    public SimplePacketListenerAbstract(PacketListenerPriority priority) {
+        super(priority);
+    }
+
+    public SimplePacketListenerAbstract() {
+        super();
+    }
+
+    @Override
+    void onPacketReceive(PacketReceiveEvent event) {
+        if (event instanceof PacketHandshakeReceiveEvent) {
+            onPacketHandshakeReceive((PacketHandshakeReceiveEvent) event);
+        } else if (event instanceof PacketStatusReceiveEvent) {
+            onPacketStatusReceive((PacketStatusReceiveEvent) event);
+        } else if (event instanceof PacketLoginReceiveEvent) {
+            onPacketLoginReceive((PacketLoginReceiveEvent) event);
+        }
+        else if (event instanceof PacketConfigReceiveEvent) {
+            onPacketConfigReceive((PacketConfigReceiveEvent) event);
+        }
+        else if (event instanceof PacketPlayReceiveEvent) {
+            onPacketPlayReceive((PacketPlayReceiveEvent) event);
+        }
+    }
+
+    @Override
+    void onPacketSend(PacketSendEvent event) {
+        if (event instanceof PacketStatusSendEvent) {
+            onPacketStatusSend((PacketStatusSendEvent) event);
+        } else if (event instanceof PacketLoginSendEvent) {
+            onPacketLoginSend((PacketLoginSendEvent) event);
+        }
+        else if (event instanceof PacketConfigSendEvent) {
+            onPacketConfigSend((PacketConfigSendEvent) event);
+        }
+        else if (event instanceof PacketPlaySendEvent) {
+            onPacketPlaySend((PacketPlaySendEvent) event);
+        }
+    }
+
+    public void onPacketHandshakeReceive(PacketHandshakeReceiveEvent event) {
+    }
+
+    public void onPacketStatusReceive(PacketStatusReceiveEvent event) {
+    }
+
+    public void onPacketStatusSend(PacketStatusSendEvent event) {
+    }
+
+    public void onPacketLoginReceive(PacketLoginReceiveEvent event) {
+    }
+
+    public void onPacketLoginSend(PacketLoginSendEvent event) {
+    }
+
+    public void onPacketConfigReceive(PacketConfigReceiveEvent event) {
+    }
+
+    public void onPacketConfigSend(PacketConfigSendEvent event) {
+    }
+
+    public void onPacketPlayReceive(PacketPlayReceiveEvent event) {
+    }
+
+    public void onPacketPlaySend(PacketPlaySendEvent event) {
+    }
+}
@@ -0,0 +1,53 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event;
+
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class UserConnectEvent extends PacketEvent implements CancellableEvent, UserEvent {
+
+    private final User user;
+    private boolean cancelled;
+
+    public UserConnectEvent(User user) {
+        this.user = user;
+    }
+
+    @Override
+    public User getUser() {
+        return user;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+
+    @Override
+    public void call(PacketListenerCommon listener) {
+        listener.onUserConnect(this);
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,26 +16,27 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event.eventtypes;
+package com.github.retrooper.packetevents.event;

-import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jspecify.annotations.NullMarked;

-import java.net.InetSocketAddress;
+@NullMarked
+public class UserDisconnectEvent extends PacketEvent implements UserEvent {

-public abstract class CancellableNMSPacketEvent extends NMSPacketEvent implements CancellableEvent {
-    private boolean cancelled;
+    private final User user;

-    public CancellableNMSPacketEvent(Object channel, NMSPacket packet) {
-        super(channel, packet);
+    public UserDisconnectEvent(User user) {
+        this.user = user;
    }

    @Override
-    public boolean isCancelled() {
-        return cancelled;
+    public User getUser() {
+        return user;
    }

    @Override
-    public void setCancelled(boolean value) {
-        cancelled = value;
+    public void call(PacketListenerCommon listener) {
+        listener.onUserDisconnect(this);
    }
 }
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,17 +16,19 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.utils.player;
-//TODO Remove this enum, use Bukkit's GameMode enum everywhere.
+package com.github.retrooper.packetevents.event;
+
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jspecify.annotations.NullMarked;
+
 /**
- * Representation of a player's game mode.
+ * Event that involves users.
 *
 * @author retrooper
- * @since 1.8
+ * @since 2.0.0
 */
-public enum GameMode {
-    SURVIVAL,
-    CREATIVE,
-    ADVENTURE,
-    SPECTATOR
+@NullMarked
+public interface UserEvent {
+
+    User getUser();
 }
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,29 +16,34 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.packetwrappers.play.in.beacon;
+package com.github.retrooper.packetevents.event;

-import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jspecify.annotations.NullMarked;

-public class WrappedPacketInBeacon extends WrappedPacket {
-    public WrappedPacketInBeacon(NMSPacket packet) {
-        super(packet);
+@NullMarked
+public class UserLoginEvent extends PacketEvent implements CallableEvent, UserEvent, PlayerEvent {
+
+    private final User user;
+    private final Object player;
+
+    public UserLoginEvent(User user, Object player) {
+        this.user = user;
+        this.player = player;
    }

-    public int getPrimaryEffect() {
-        return readInt(0);
+    @Override
+    public User getUser() {
+        return user;
    }

-    public void setPrimaryEffect(int primaryEffect) {
-        writeInt(0, primaryEffect);
+    @Override
+    public <T> T getPlayer() {
+        return (T) player;
    }

-    public int getSecondaryEffect() {
-        return readInt(1);
-    }
-
-    public void setSecondaryEffect(int secondaryEffect) {
-        writeInt(1, secondaryEffect);
+    @Override
+    public void call(PacketListenerCommon listener) {
+        listener.onUserLogin(this);
    }
 }
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketConfigReceiveEvent extends PacketReceiveEvent {
+
+    public PacketConfigReceiveEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketConfigReceiveEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketConfigReceiveEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketConfigReceiveEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Configuration.Client getPacketType() {
+        return (PacketType.Configuration.Client) super.getPacketType();
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketSendEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketConfigSendEvent extends PacketSendEvent {
+
+    public PacketConfigSendEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketConfigSendEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketConfigSendEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketConfigSendEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Configuration.Server getPacketType() {
+        return (PacketType.Configuration.Server) super.getPacketType();
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketHandshakeReceiveEvent extends PacketReceiveEvent {
+
+    public PacketHandshakeReceiveEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketHandshakeReceiveEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketHandshakeReceiveEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketHandshakeReceiveEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Handshaking.Client getPacketType() {
+        return (PacketType.Handshaking.Client) super.getPacketType();
+    }
+}
@@ -0,0 +1,42 @@
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketSendEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketHandshakeSendEvent extends PacketSendEvent {
+
+    public PacketHandshakeSendEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketHandshakeSendEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketHandshakeSendEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketHandshakeSendEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Handshaking.Client getPacketType() {
+        return (PacketType.Handshaking.Client) super.getPacketType();
+    }
+}
@@ -0,0 +1,61 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketLoginReceiveEvent extends PacketReceiveEvent {
+
+    public PacketLoginReceiveEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketLoginReceiveEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketLoginReceiveEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketLoginReceiveEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+
+    public PacketType.Login.Client getPacketType() {
+        return (PacketType.Login.Client) super.getPacketType();
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketSendEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketLoginSendEvent extends PacketSendEvent {
+
+    public PacketLoginSendEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketLoginSendEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketLoginSendEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketLoginSendEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Login.Server getPacketType() {
+        return (PacketType.Login.Server) super.getPacketType();
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketPlayReceiveEvent extends PacketReceiveEvent {
+
+    public PacketPlayReceiveEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketPlayReceiveEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketPlayReceiveEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketPlayReceiveEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Play.Client getPacketType() {
+        return (PacketType.Play.Client) super.getPacketType();
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketSendEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketPlaySendEvent extends PacketSendEvent {
+
+    public PacketPlaySendEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketPlaySendEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketPlaySendEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketPlaySendEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Play.Server getPacketType() {
+        return (PacketType.Play.Server) super.getPacketType();
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketStatusReceiveEvent extends PacketReceiveEvent {
+
+    public PacketStatusReceiveEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketStatusReceiveEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketStatusReceiveEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketStatusReceiveEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+    public PacketType.Status.Client getPacketType() {
+        return (PacketType.Status.Client) super.getPacketType();
+    }
+}
@@ -0,0 +1,61 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.event.simple;
+
+import com.github.retrooper.packetevents.event.PacketSendEvent;
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufHelper;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.packettype.PacketTypeCommon;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class PacketStatusSendEvent extends PacketSendEvent {
+
+    public PacketStatusSendEvent(
+            Object channel, User user,
+            @UnknownNullability Object player, Object rawByteBuf,
+            boolean autoProtocolTranslation
+    ) throws PacketProcessException {
+        super(channel, user, player, rawByteBuf, autoProtocolTranslation);
+    }
+
+    protected PacketStatusSendEvent(
+            int packetId, PacketTypeCommon packetType, ServerVersion serverVersion,
+            Object channel, User user,
+            @UnknownNullability Object player, Object byteBuf
+    ) throws PacketProcessException {
+        super(packetId, packetType, serverVersion, channel, user, player, byteBuf);
+    }
+
+    @Override
+    public PacketStatusSendEvent clone() {
+        Object clonedBuffer = ByteBufHelper.retainedDuplicate(getByteBuf());
+        return new PacketStatusSendEvent(getPacketId(), getPacketType(), getServerVersion(),
+                getChannel(), getUser(), getPlayer(), clonedBuffer);
+    }
+
+
+    public PacketType.Status.Server getPacketType() {
+        return (PacketType.Status.Server) super.getPacketType();
+    }
+}
@@ -0,0 +1,10 @@
+package com.github.retrooper.packetevents.exception;
+
+public class CancelPacketException extends RuntimeException {
+    public static final CancelPacketException INSTANCE = new CancelPacketException();
+
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+}
@@ -0,0 +1,4 @@
+package com.github.retrooper.packetevents.exception;
+
+public class InvalidDisconnectPacketSend extends RuntimeException {
+}
@@ -0,0 +1,4 @@
+package com.github.retrooper.packetevents.exception;
+
+public class InvalidHandshakeException extends RuntimeException {
+}
@@ -0,0 +1,33 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.exception;
+
+public class PacketProcessException extends RuntimeException {
+    public PacketProcessException(String msg, Throwable cause) {
+        super(msg, cause);
+    }
+
+    public PacketProcessException(Throwable cause) {
+        super(cause);
+    }
+
+    public PacketProcessException(String msg) {
+        super(msg);
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,28 +16,30 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.injector;
+package com.github.retrooper.packetevents.injector;

-import org.bukkit.entity.Player;
+import com.github.retrooper.packetevents.protocol.PacketSide;
+import com.github.retrooper.packetevents.protocol.player.User;

 public interface ChannelInjector {
-    default boolean isBound() {
+
+    default boolean isServerBound() {
        return true;
    }

    void inject();

-    void eject();
+    void uninject();

-    void injectPlayer(Player player);
+    void updateUser(Object channel, User user);

-    void ejectPlayer(Player player);
+    void setPlayer(Object channel, Object player);

-    boolean hasInjected(Player player);
+    boolean isPlayerSet(Object channel);

-    void writePacket(Object channel, Object rawNMSPacket);
+    boolean isProxy();

-    void flushPackets(Object channel);
-
-    void sendPacket(Object channel, Object rawNMSPacket);
+    default PacketSide getPacketSide() {
+        return PacketSide.SERVER;
+    }
 }
@@ -0,0 +1,152 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.manager;
+
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.event.PacketListenerAbstract;
+import com.github.retrooper.packetevents.event.PacketListenerPriority;
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.event.PacketSendEvent;
+import com.github.retrooper.packetevents.manager.protocol.ProtocolManager;
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.protocol.ConnectionState;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.protocol.player.User;
+import com.github.retrooper.packetevents.protocol.player.UserProfile;
+import com.github.retrooper.packetevents.util.LogManager;
+import com.github.retrooper.packetevents.util.mappings.SynchronizedRegistriesHandler;
+import com.github.retrooper.packetevents.wrapper.configuration.server.WrapperConfigServerConfigurationEnd;
+import com.github.retrooper.packetevents.wrapper.configuration.server.WrapperConfigServerRegistryData;
+import com.github.retrooper.packetevents.wrapper.handshaking.client.WrapperHandshakingClientHandshake;
+import com.github.retrooper.packetevents.wrapper.login.server.WrapperLoginServerLoginSuccess;
+import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerJoinGame;
+import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerRespawn;
+import org.jetbrains.annotations.ApiStatus;
+
+@ApiStatus.Internal
+public class InternalPacketListener extends PacketListenerAbstract {
+
+    public InternalPacketListener() {
+        this(PacketListenerPriority.LOWEST);
+    }
+
+    public InternalPacketListener(PacketListenerPriority priority) {
+        super(priority);
+    }
+
+    @Override
+    public void onPacketSend(PacketSendEvent event) {
+        User user = event.getUser();
+        if (event.getPacketType() == PacketType.Login.Server.LOGIN_SUCCESS) {
+            Object channel = event.getChannel();
+            //Process outgoing login success packet
+            WrapperLoginServerLoginSuccess loginSuccess = new WrapperLoginServerLoginSuccess(event);
+            UserProfile profile = loginSuccess.getUserProfile();
+
+            //Update user profile
+            user.getProfile().setUUID(profile.getUUID());
+            user.getProfile().setName(profile.getName());
+            //Texture properties are passed in login success on 1.19
+            user.getProfile().setTextureProperties(profile.getTextureProperties());
+
+            //Map username with channel
+            synchronized (channel) {
+                PacketEvents.getAPI().getProtocolManager().setChannel(profile.getUUID(), channel);
+            }
+
+            if (PacketEvents.getAPI().getLogManager().isDebug()) {
+                PacketEvents.getAPI().getLogManager().debug("Mapped player UUID with their channel " + profile.getUUID() + " " + channel);
+            }
+
+            // Switch the user's connection state to new state, but the variable event.getConnectionState() remains LOGIN
+            // We switch user state immediately to remain in sync with vanilla, allowing you to encode packets immediately
+            boolean proxy = PacketEvents.getAPI().getInjector().isProxy();
+            if (proxy ? event.getUser().getClientVersion().isNewerThanOrEquals(ClientVersion.V_1_20_2)
+                    : event.getServerVersion().isNewerThanOrEquals(ServerVersion.V_1_20_2)) {
+                user.setEncoderState(ConnectionState.CONFIGURATION);
+            } else {
+                user.setConnectionState(ConnectionState.PLAY);
+            }
+        }
+
+        // The server sends dimension information in configuration phase, since 1.20.2
+        else if (event.getPacketType() == PacketType.Configuration.Server.REGISTRY_DATA) {
+            WrapperConfigServerRegistryData packet = new WrapperConfigServerRegistryData(event);
+
+            if (packet.getElements() != null) { // 1.20.2 to 1.20.5
+                SynchronizedRegistriesHandler.handleRegistry(user, packet,
+                        packet.getRegistryKey(), packet.getElements());
+            }
+            if (packet.getRegistryData() != null) { // since 1.20.5
+                SynchronizedRegistriesHandler.handleLegacyRegistries(user, packet, packet.getRegistryData());
+            }
+        }
+
+        // The server sends registry info in login packet for 1.16 to 1.20.1
+        else if (event.getPacketType() == PacketType.Play.Server.JOIN_GAME) {
+            WrapperPlayServerJoinGame joinGame = new WrapperPlayServerJoinGame(event);
+            user.setEntityId(joinGame.getEntityId());
+
+            if (joinGame.getDimensionCodec() != null) { // 1.16 to 1.20.1
+                SynchronizedRegistriesHandler.handleLegacyRegistries(user, joinGame,
+                        joinGame.getDimensionCodec());
+                user.finalizeRegistries(joinGame);
+            }
+
+            user.setDimensionType(joinGame.getDimensionType());
+        }
+
+        // Respawn is used to switch dimensions
+        else if (event.getPacketType() == PacketType.Play.Server.RESPAWN) {
+            WrapperPlayServerRespawn packet = new WrapperPlayServerRespawn(event);
+            user.setDimensionType(packet.getDimensionType());
+        } else if (event.getPacketType() == PacketType.Play.Server.CONFIGURATION_START) {
+            user.setEncoderState(ConnectionState.CONFIGURATION);
+        } else if (event.getPacketType() == PacketType.Configuration.Server.CONFIGURATION_END) {
+            user.setEncoderState(ConnectionState.PLAY);
+            user.finalizeRegistries(new WrapperConfigServerConfigurationEnd(event));
+        }
+    }
+
+    @Override
+    public void onPacketReceive(PacketReceiveEvent event) {
+        User user = event.getUser();
+        if (event.getPacketType() == PacketType.Handshaking.Client.HANDSHAKE) {
+            WrapperHandshakingClientHandshake packet = new WrapperHandshakingClientHandshake(event);
+            ClientVersion clientVersion = packet.getClientVersion();
+            ConnectionState state = packet.getNextConnectionState();
+
+            LogManager logger = PacketEvents.getAPI().getLogManager();
+            if (logger.isDebug()) {
+                logger.debug("Processed handshake for " + event.getAddress() + ": "
+                        + state.name() + " / " + packet.getClientVersion().getReleaseName());
+            }
+
+            user.setClientVersion(clientVersion);
+            user.setConnectionState(state);
+        } else if (event.getPacketType() == PacketType.Login.Client.LOGIN_SUCCESS_ACK) {
+            user.setDecoderState(ConnectionState.CONFIGURATION);
+        } else if (event.getPacketType() == PacketType.Play.Client.CONFIGURATION_ACK) {
+            user.setDecoderState(ConnectionState.CONFIGURATION);
+        } else if (event.getPacketType() == PacketType.Configuration.Client.CONFIGURATION_END_ACK) {
+            user.setDecoderState(ConnectionState.PLAY);
+        }
+    }
+}
@@ -0,0 +1,99 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.manager.player;
+
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.event.ProtocolPacketEvent;
+import com.github.retrooper.packetevents.protocol.ConnectionState;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.protocol.player.User;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+public interface PlayerManager {
+    int getPing(@NotNull Object player);
+
+    @NotNull ClientVersion getClientVersion(@NotNull Object player);
+
+    Object getChannel(@NotNull Object player);
+
+    User getUser(@NotNull Object player);
+
+    /**
+     * <strong>WARNING</strong>: Usage of this method should be avoided. Please use either
+     * {@link User#getDecoderState()} or {@link User#getEncoderState()}.<br>
+     * To access the specific state a packet event was sent/received in, use {@link ProtocolPacketEvent#getConnectionState()}.
+     * <p>
+     * Since 1.20.2, the Minecraft protocol allows the decoder/encoder connection states to de-sync.
+     *
+     * @throws IllegalStateException if encoder/decoder connection states do not match
+     */
+    @ApiStatus.Obsolete
+    default ConnectionState getConnectionState(@NotNull Object player) throws IllegalStateException {
+        return getUser(player).getConnectionState();
+    }
+
+    default void sendPacket(@NotNull Object player, @NotNull Object byteBuf) {
+        PacketEvents.getAPI().getProtocolManager().sendPacket(getChannel(player), byteBuf);
+    }
+    default void sendPacket(@NotNull Object player, @NotNull PacketWrapper<?> wrapper) {
+        PacketEvents.getAPI().getProtocolManager().sendPacket(getChannel(player), wrapper);
+    }
+
+    default void sendPacketSilently(@NotNull Object player, @NotNull Object byteBuf) {
+        PacketEvents.getAPI().getProtocolManager().sendPacketSilently(getChannel(player), byteBuf);
+    }
+
+    default void sendPacketSilently(@NotNull Object player, @NotNull PacketWrapper<?> wrapper) {
+        PacketEvents.getAPI().getProtocolManager().sendPacketSilently(getChannel(player), wrapper);
+    }
+
+    default void writePacket(@NotNull Object player, @NotNull Object byteBuf) {
+        PacketEvents.getAPI().getProtocolManager().writePacket(getChannel(player), byteBuf);
+    }
+
+    default void writePacket(@NotNull Object player, @NotNull PacketWrapper<?> wrapper) {
+        PacketEvents.getAPI().getProtocolManager().writePacket(getChannel(player), wrapper);
+    }
+
+    default void writePacketSilently(@NotNull Object player, @NotNull Object byteBuf) {
+        PacketEvents.getAPI().getProtocolManager().writePacketSilently(getChannel(player), byteBuf);
+    }
+
+    default void writePacketSilently(@NotNull Object player, @NotNull PacketWrapper<?> wrapper) {
+        PacketEvents.getAPI().getProtocolManager().writePacketSilently(getChannel(player), wrapper);
+    }
+
+    default void receivePacket(Object player, Object byteBuf) {
+        PacketEvents.getAPI().getProtocolManager().receivePacket(getChannel(player), byteBuf);
+    }
+
+    default void receivePacket(Object player, PacketWrapper<?> wrapper) {
+        PacketEvents.getAPI().getProtocolManager().receivePacket(getChannel(player), wrapper);
+    }
+
+    default void receivePacketSilently(Object player, Object byteBuf) {
+        PacketEvents.getAPI().getProtocolManager().receivePacketSilently(getChannel(player), byteBuf);
+    }
+
+    default void receivePacketSilently(Object player, PacketWrapper<?> wrapper) {
+        PacketEvents.getAPI().getProtocolManager().receivePacketSilently(getChannel(player), wrapper);
+    }
+}
@@ -0,0 +1,192 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.manager.protocol;
+
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.netty.channel.ChannelHelper;
+import com.github.retrooper.packetevents.protocol.ProtocolVersion;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.protocol.player.User;
+import com.github.retrooper.packetevents.util.PacketTransformationUtil;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+public interface ProtocolManager {
+    @ApiStatus.Internal
+    Map<UUID, Object> CHANNELS = new ConcurrentHashMap<>();
+    // Use SocketAddress because ProtocolLib wraps Channels with NettyChannelProxy class
+    @ApiStatus.Internal
+    Map<Object, User> USERS = new ConcurrentHashMap<>();
+
+    default Collection<User> getUsers() {
+        return USERS.values();
+    }
+
+    default Collection<Object> getChannels() {
+        return CHANNELS.values();
+    }
+
+    //Methods to implement
+    ProtocolVersion getPlatformVersion();
+    void sendPacket(Object channel, Object byteBuf);
+    void sendPacketSilently(Object channel, Object byteBuf);
+    void writePacket(Object channel, Object byteBuf);
+    void writePacketSilently(Object channel, Object byteBuf);
+    void receivePacket(Object channel, Object byteBuf);
+    void receivePacketSilently(Object channel, Object byteBuf);
+    ClientVersion getClientVersion(Object channel);
+    //TODO Define method that accepts an array of channels/set/list of channels.
+
+    default void sendPackets(Object channel, Object... byteBuf) {
+        for (Object buf : byteBuf) {
+            sendPacket(channel, buf);
+        }
+    }
+
+    default void sendPacketsSilently(Object channel, Object... byteBuf) {
+        for (Object buf : byteBuf) {
+            sendPacketSilently(channel, buf);
+        }
+    }
+
+    default void writePackets(Object channel, Object... byteBuf) {
+        for (Object buf : byteBuf) {
+            writePacket(channel, buf);
+        }
+    }
+
+    default void writePacketsSilently(Object channel, Object... byteBuf) {
+        for (Object buf : byteBuf) {
+            writePacketSilently(channel, buf);
+        }
+    }
+
+    default void receivePackets(Object channel, Object... byteBuf) {
+        for (Object buf : byteBuf) {
+            receivePacket(channel, buf);
+        }
+    }
+
+    default void receivePacketsSilently(Object channel, Object... byteBuf) {
+        for (Object buf : byteBuf) {
+            receivePacketSilently(channel, buf);
+        }
+    }
+
+
+    default void setClientVersion(Object channel, ClientVersion version) {
+        getUser(channel).setClientVersion(version);
+    }
+
+    @ApiStatus.Internal
+    default Object[] transformWrappers(PacketWrapper<?> wrapper, Object channel, boolean outgoing) {
+        //It is possible that our packet transformer util decides to transform one wrapper into multiple packets.
+        //(Correcting some mistakes on your end)
+        PacketWrapper<?>[] wrappers = PacketTransformationUtil.transform(wrapper);
+        Object[] buffers = new Object[wrappers.length];
+        for (int i = 0; i < wrappers.length; i++) {
+            PacketWrapper<?> wrappper = wrappers[i];
+            synchronized (wrappper.bufferLock) {
+                wrappper.prepareForSend(channel, outgoing);
+                buffers[i] = wrappper.buffer;
+                // Fix race condition when sending packets to multiple people (due to when the buffer is freed)
+                wrappper.buffer = null;
+            }
+        }
+        return buffers;
+    }
+
+    default void sendPacket(Object channel, PacketWrapper<?> wrapper) {
+        Object[] transformed = transformWrappers(wrapper, channel, true);
+        sendPackets(channel, transformed);
+    }
+
+    default void sendPacketSilently(Object channel, PacketWrapper<?> wrapper) {
+        Object[] transformed = transformWrappers(wrapper, channel, true);
+        sendPacketsSilently(channel, transformed);
+    }
+
+    default void writePacket(Object channel, PacketWrapper<?> wrapper) {
+        Object[] transformed = transformWrappers(wrapper, channel, true);
+        writePackets(channel, transformed);
+    }
+
+    default void writePacketSilently(Object channel, PacketWrapper<?> wrapper) {
+        Object[] transformed = transformWrappers(wrapper, channel, true);
+        writePacketsSilently(channel, transformed);
+    }
+
+    default void receivePacket(Object channel, PacketWrapper<?> wrapper) {
+        Object[] transformed = transformWrappers(wrapper, channel, false);
+        receivePackets(channel, transformed);
+    }
+
+    default void receivePacketSilently(Object channel, PacketWrapper<?> wrapper) {
+        Object[] transformed = transformWrappers(wrapper, channel, false);
+        receivePacketsSilently(channel, transformed);
+    }
+
+    default User getUser(Object channel) {
+        Object pipeline = ChannelHelper.getPipeline(channel);
+        return USERS.get(pipeline);
+    }
+
+    @ApiStatus.Internal
+    default User removeUser(Object channel) {
+        Object pipeline = ChannelHelper.getPipeline(channel);
+        return USERS.remove(pipeline);
+    }
+
+    @ApiStatus.Internal
+    default void setUser(Object channel, User user) {
+        synchronized (channel) {
+            Object pipeline = ChannelHelper.getPipeline(channel);
+            USERS.put(pipeline, user);
+        }
+        PacketEvents.getAPI().getInjector().updateUser(channel, user);
+    }
+
+    default Object getChannel(UUID uuid) {
+        return CHANNELS.get(uuid);
+    }
+
+    @ApiStatus.Internal
+    default void setChannel(UUID uuid, Object channel) {
+        CHANNELS.put(uuid, channel);
+    }
+
+    @ApiStatus.Internal
+    default void removeChannel(Object channel) {
+        CHANNELS.values().remove(channel);
+    }
+
+    @ApiStatus.Internal
+    default void removeChannelById(UUID uuid) {
+        CHANNELS.remove(uuid);
+    }
+
+    default boolean hasChannel(Object channel) {
+        return CHANNELS.containsValue(channel);
+    }
+}
@@ -0,0 +1,57 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.manager.server;
+
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.protocol.player.User;
+import org.jetbrains.annotations.Nullable;
+
+public interface ServerManager {
+    /**
+     * Get the server version.
+     *
+     * @return Get Server Version
+     */
+    ServerVersion getVersion();
+
+    /**
+     * Get the operating system of the local machine
+     *
+     * @return Get Operating System
+     */
+    default SystemOS getOS() {
+        return SystemOS.getOS();
+    }
+
+    /**
+     * Gets a platform-specific network-synchronized-registries cache key.
+     * <p>
+     * This tells packetevents, if a registry should be cached or read again. On
+     * backend servers with global registries, this may be a constant value. On
+     * proxy servers with per-server registries, this may be a value which depends
+     * on the current server the {@link User} is on.
+     *
+     * @param user    the {@link User} for which the registry gets read
+     * @param version the version the packet is for
+     * @return some value or null for no caching at all
+     */
+    default @Nullable Object getRegistryCacheKey(User user, ClientVersion version) {
+        return null; // no caching
+    }
+}
@@ -0,0 +1,217 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.manager.server;
+
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Server Version.
+ * This is a nice wrapper over minecraft's protocol versions.
+ * You won't have to memorize the protocol version, just memorize the server version you see in the launcher.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol_version_numbers">https://wiki.vg/Protocol_version_numbers</a>
+ * @since 1.6.9
+ */
+public enum ServerVersion {
+    //TODO Rename to MinecraftVersion?
+    V_1_7_2(4), V_1_7_4(4), V_1_7_5(4),
+    V_1_7_6(5), V_1_7_7(5), V_1_7_8(5), V_1_7_9(5), V_1_7_10(5),
+    V_1_8(47), V_1_8_3(47), V_1_8_8(47),
+    V_1_9(107), V_1_9_1(108), V_1_9_2(109), V_1_9_4(110),
+    //1.10 and 1.10.1 are redundant
+    V_1_10(210), V_1_10_1(210), V_1_10_2(210),
+    V_1_11(315), V_1_11_2(316),
+    V_1_12(335), V_1_12_1(338), V_1_12_2(340),
+    V_1_13(393), V_1_13_1(401), V_1_13_2(404),
+    V_1_14(477), V_1_14_1(480), V_1_14_2(485), V_1_14_3(490), V_1_14_4(498),
+    V_1_15(573), V_1_15_1(575), V_1_15_2(578),
+    V_1_16(735), V_1_16_1(736), V_1_16_2(751), V_1_16_3(753), V_1_16_4(754), V_1_16_5(754),
+    V_1_17(755), V_1_17_1(756),
+    V_1_18(757), V_1_18_1(757), V_1_18_2(758),
+    //1.19.1 and 1.19.2 have the same protocol version
+    V_1_19(759), V_1_19_1(760), V_1_19_2(760), V_1_19_3(761), V_1_19_4(762),
+    //1.20 and 1.20.1 have the same protocol version. 1.20.3 and 1.20.4 have the same protocol version. 1.20.5 and 1.20.6 have the same protocol version
+    V_1_20(763), V_1_20_1(763), V_1_20_2(764), V_1_20_3(765), V_1_20_4(765), V_1_20_5(766), V_1_20_6(766),
+    //1.21 and 1.21.1 have the same protocol version. 1.21.2 and 1.21.3 have the same protocol version. 1.21.7 and 1.21.8 have the same protocol version. 1.21.9 and 1.21.10 have the same protocol version
+    V_1_21(767), V_1_21_1(767), V_1_21_2(768), V_1_21_3(768), V_1_21_4(769), V_1_21_5(770), V_1_21_6(771), V_1_21_7(772), V_1_21_8(772), V_1_21_9(773), V_1_21_10(773), V_1_21_11(774),
+    //TODO UPDATE Add server version constant
+    ERROR(-1, true);
+
+    private static final ServerVersion[] VALUES = values();
+    private static final ServerVersion[] REVERSED_VALUES;
+
+    static {
+        REVERSED_VALUES = values();
+        int i = 0;
+        int j = REVERSED_VALUES.length - 1;
+        ServerVersion tmp;
+        while (j > i) {
+            tmp = REVERSED_VALUES[j];
+            REVERSED_VALUES[j--] = REVERSED_VALUES[i];
+            REVERSED_VALUES[i++] = tmp;
+        }
+    }
+
+    private final int protocolVersion;
+    private final String name;
+    private ClientVersion toClientVersion;
+
+    ServerVersion(int protocolVersion) {
+        this.protocolVersion = protocolVersion;
+        this.name = name().substring(2).replace("_", ".");
+    }
+
+    ServerVersion(int protocolVersion, boolean isNotRelease) {
+        this.protocolVersion = protocolVersion;
+        if (isNotRelease) {
+            this.name = name();
+        } else {
+            this.name = name().substring(2).replace("_", ".");
+        }
+    }
+
+    public static ServerVersion[] reversedValues() {
+        return REVERSED_VALUES;
+    }
+
+    public static ServerVersion getLatest() {
+        return REVERSED_VALUES[1];
+    }
+
+    public static ServerVersion getOldest() {
+        return VALUES[0];
+    }
+
+    //TODO Optimize
+    @Deprecated
+    public static ServerVersion getById(int protocolVersion) {
+        for (ServerVersion version : VALUES) {
+            if (version.protocolVersion == protocolVersion) {
+                return version;
+            }
+        }
+        return null;
+    }
+
+    public ClientVersion toClientVersion() {
+        if (toClientVersion == null) {
+            toClientVersion = ClientVersion.getById(protocolVersion);
+        }
+        return toClientVersion;
+    }
+
+    /**
+     * Get the release name of this server version.
+     * For example, for the V_1_18 enum constant, it would return "1.18".
+     *
+     * @return Release name
+     */
+    public String getReleaseName() {
+        return name;
+    }
+
+    /**
+     * Get this server version's protocol version.
+     *
+     * @return Protocol version.
+     */
+    public int getProtocolVersion() {
+        return protocolVersion;
+    }
+
+    /**
+     * Is this server version newer than the compared server version?
+     * This method simply checks if this server version's protocol version is greater than
+     * the compared server version's protocol version.
+     *
+     * @param target Compared server version.
+     * @return Is this server version newer than the compared server version.
+     */
+    public boolean isNewerThan(ServerVersion target) {
+        return this.ordinal() > target.ordinal();
+    }
+
+    /**
+     * Is this server version older than the compared server version?
+     * This method simply checks if this server version's protocol version is less than
+     * the compared server version's protocol version.
+     *
+     * @param target Compared server version.
+     * @return Is this server version older than the compared server version.
+     */
+    public boolean isOlderThan(ServerVersion target) {
+        return this.ordinal() < target.ordinal();
+    }
+
+    /**
+     * Is this server version newer than or equal to the compared server version?
+     * This method simply checks if this server version's protocol version is greater than or equal to
+     * the compared server version's protocol version.
+     *
+     * @param target Compared server version.
+     * @return Is this server version newer than or equal to the compared server version.
+     */
+    public boolean isNewerThanOrEquals(ServerVersion target) {
+        return this.ordinal() >= target.ordinal();
+    }
+
+    /**
+     * Is this server version older than or equal to the compared server version?
+     * This method simply checks if this server version's protocol version is older than or equal to
+     * the compared server version's protocol version.
+     *
+     * @param target Compared server version.
+     * @return Is this server version older than or equal to the compared server version.
+     */
+    public boolean isOlderThanOrEquals(ServerVersion target) {
+        return this.ordinal() <= target.ordinal();
+    }
+
+    /**
+     * Is this server version newer than, older than or equal to the compared server version?
+     * This method simply checks if this server version's protocol version is greater than, less than or equal to
+     * the compared server version's protocol version.
+     *
+     * @param comparison    Comparison type.
+     * @param targetVersion Compared server version.
+     * @return true or false, based on the comparison type.
+     * @see #isNewerThan(ServerVersion)
+     * @see #isNewerThanOrEquals(ServerVersion)
+     * @see #isOlderThan(ServerVersion)
+     * @see #isOlderThanOrEquals(ServerVersion)
+     */
+    public boolean is(@NotNull VersionComparison comparison, @NotNull ServerVersion targetVersion) {
+        switch (comparison) {
+            case EQUALS:
+                return protocolVersion == targetVersion.protocolVersion;
+            case NEWER_THAN:
+                return isNewerThan(targetVersion);
+            case NEWER_THAN_OR_EQUALS:
+                return isNewerThanOrEquals(targetVersion);
+            case OLDER_THAN:
+                return isOlderThan(targetVersion);
+            case OLDER_THAN_OR_EQUALS:
+                return isOlderThanOrEquals(targetVersion);
+            default:
+                return false;
+        }
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,7 +16,9 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.utils.server;
+package com.github.retrooper.packetevents.manager.server;
+
+import java.util.Locale;

 /**
 * System Operating system.
@@ -27,9 +29,7 @@ package io.github.retrooper.packetevents.utils.server;
 public enum SystemOS {

    WINDOWS, MACOS, LINUX, OTHER;
-
-    private static final SystemOS[] VALUES = values();
-    private static SystemOS value;
+    private static SystemOS CACHE;

    /**
     * Get the server's operating system.
@@ -38,9 +38,9 @@ public enum SystemOS {
     * @return Operating System.
     */
    public static SystemOS getOSNoCache() {
-        final String os = System.getProperty("os.name").toLowerCase();
-        for (SystemOS sysos : VALUES) {
-            if (os.contains(sysos.name().toLowerCase())) {
+        final String os = System.getProperty("os.name").toLowerCase(Locale.ROOT);
+        for (SystemOS sysos : values()) {
+            if (os.contains(sysos.name().toLowerCase(Locale.ROOT))) {
                return sysos;
            }
        }
@@ -54,22 +54,10 @@ public enum SystemOS {
     * @return Operating System.
     */
    public static SystemOS getOS() {
-        if (value == null) {
-            value = getOSNoCache();
+        if (CACHE == null) {
+            CACHE = getOSNoCache();
        }
-        return value;
-    }
-
-    /**
-     * Get the server's operating system.
-     * This method will CACHE for you.
-     *
-     * @return Operating System.
-     * @deprecated Use {@link #getOS()}, method renamed.
-     */
-    @Deprecated
-    public static SystemOS getOperatingSystem() {
-        return getOS();
+        return CACHE;
    }

 }
@@ -0,0 +1,45 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.manager.server;
+
+/**
+ * This enum contains all possible comparison types for server versions.
+ */
+public enum VersionComparison {
+    /*
+    The server version equals the compared server version.
+     */
+    EQUALS,
+    /*
+    The server version is newer than the compared server version.
+     */
+    NEWER_THAN,
+    /*
+    The server version is newer than or equal to the compared server version.
+     */
+    NEWER_THAN_OR_EQUALS,
+    /*
+    The server version is older than the compared server version.
+     */
+    OLDER_THAN,
+    /*
+    The server version is older than or equal to the compared server version.
+     */
+    OLDER_THAN_OR_EQUALS;
+}
@@ -0,0 +1,31 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty;
+
+import com.github.retrooper.packetevents.netty.buffer.ByteBufAllocationOperator;
+import com.github.retrooper.packetevents.netty.buffer.ByteBufOperator;
+import com.github.retrooper.packetevents.netty.channel.ChannelOperator;
+
+public interface NettyManager {
+    ChannelOperator getChannelOperator();
+
+    ByteBufOperator getByteBufOperator();
+
+    ByteBufAllocationOperator getByteBufAllocationOperator();
+}
@@ -0,0 +1,36 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty.buffer;
+
+public interface ByteBufAllocationOperator {
+    Object wrappedBuffer(byte[] bytes);
+
+    Object copiedBuffer(byte[] bytes);
+
+    Object buffer();
+    Object buffer(int initialCapacity);
+
+    Object directBuffer();
+    Object directBuffer(int initialCapacity);
+
+    Object compositeBuffer();
+    Object compositeBuffer(int maxNumComponents);
+
+    Object emptyBuffer();
+}
@@ -0,0 +1,290 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty.buffer;
+
+import com.github.retrooper.packetevents.PacketEvents;
+
+import java.nio.charset.Charset;
+
+public class ByteBufHelper {
+    public static int capacity(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().capacity(buffer);
+    }
+
+    public static Object capacity(Object buffer, int capacity) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().capacity(buffer, capacity);
+    }
+
+    public static int readerIndex(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readerIndex(buffer);
+    }
+
+    public static Object readerIndex(Object buffer, int readerIndex) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readerIndex(buffer, readerIndex);
+    }
+
+    public static int writerIndex(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().writerIndex(buffer);
+    }
+
+    public static Object writerIndex(Object buffer, int writerIndex) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().writerIndex(buffer, writerIndex);
+    }
+
+    public static int readableBytes(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readableBytes(buffer);
+    }
+
+    public static int writableBytes(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().writableBytes(buffer);
+    }
+
+    public static Object clear(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().clear(buffer);
+    }
+
+    public static String toString(Object buffer, int index, int length, Charset charset) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().toString(buffer, index, length, charset);
+    }
+
+    public static byte readByte(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readByte(buffer);
+    }
+
+    public static void writeByte(Object buffer, int value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeByte(buffer, value);
+    }
+
+    public static boolean readBoolean(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readBoolean(buffer);
+    }
+
+    public static void writeBoolean(Object buffer, boolean value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeBoolean(buffer, value);
+    }
+
+    public static short readUnsignedByte(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readUnsignedByte(buffer);
+    }
+
+    public static char readChar(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readChar(buffer);
+    }
+
+    public static void writeChar(Object buffer, int value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeChar(buffer, value);
+    }
+
+    public static short readShort(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readShort(buffer);
+    }
+
+    public static int readUnsignedShort(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readUnsignedShort(buffer);
+    }
+
+    public static void writeShort(Object buffer, int value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeShort(buffer, value);
+    }
+
+    public static void writeShortLE(Object buffer, int value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeShortLE(buffer, value);
+    }
+
+    public static int readMedium(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readMedium(buffer);
+    }
+
+    public static void writeMedium(Object buffer, int value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeMedium(buffer, value);
+    }
+
+    public static int readInt(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readInt(buffer);
+    }
+
+    public static void writeInt(Object buffer, int value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeInt(buffer, value);
+    }
+
+    public static long readUnsignedInt(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readUnsignedInt(buffer);
+    }
+
+    public static long readLong(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readLong(buffer);
+    }
+
+    public static void writeLong(Object buffer, long value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeLong(buffer, value);
+    }
+
+    public static float readFloat(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readFloat(buffer);
+    }
+
+    public static void writeFloat(Object buffer, float value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeFloat(buffer, value);
+    }
+
+    public static double readDouble(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readDouble(buffer);
+    }
+
+    public static void writeDouble(Object buffer, double value) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeDouble(buffer, value);
+    }
+
+    public static Object getBytes(Object buffer, int index, byte[] destination) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().getBytes(buffer, index, destination);
+    }
+
+    public static short getUnsignedByte(Object buffer, int index) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().getUnsignedByte(buffer, index);
+    }
+
+    public static boolean isReadable(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().isReadable(buffer);
+    }
+
+    public static Object copy(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().copy(buffer);
+    }
+
+    public static Object duplicate(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().duplicate(buffer);
+    }
+
+    public static boolean hasArray(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().hasArray(buffer);
+    }
+
+    public static byte[] array(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().array(buffer);
+    }
+
+    public static Object retain(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().retain(buffer);
+    }
+
+    public static Object retainedDuplicate(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().retainedDuplicate(buffer);
+    }
+
+    public static Object readSlice(Object buffer, int length) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readSlice(buffer, length);
+    }
+
+    public static Object readBytes(Object buffer, byte[] destination, int destinationIndex, int length) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readBytes(buffer, destination, destinationIndex, length);
+    }
+
+    public static Object readBytes(Object buffer, int length) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().readBytes(buffer, length);
+    }
+
+    public static Object writeBytes(Object buffer, Object src) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeBytes(buffer, src);
+    }
+
+    public static void readBytes(Object buffer, byte[] bytes) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().readBytes(buffer, bytes);
+    }
+
+    public static void writeBytes(Object buffer, byte[] bytes) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeBytes(buffer, bytes);
+    }
+
+    public static void writeBytes(Object buffer, byte[] bytes, int offset, int length) {
+        PacketEvents.getAPI().getNettyManager().getByteBufOperator().writeBytes(buffer, bytes, offset, length);
+    }
+
+    public static boolean release(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().release(buffer);
+    }
+
+    public static int refCnt(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().refCnt(buffer);
+    }
+
+    public static Object skipBytes(Object buffer, int length) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().skipBytes(buffer, length);
+    }
+
+    public static Object markReaderIndex(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().markReaderIndex(buffer);
+    }
+
+    public static Object resetReaderIndex(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().resetReaderIndex(buffer);
+    }
+
+    public static Object markWriterIndex(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().markWriterIndex(buffer);
+    }
+
+    public static Object resetWriterIndex(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().resetWriterIndex(buffer);
+    }
+
+    public static Object allocateNewBuffer(Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufOperator().allocateNewBuffer(buffer);
+    }
+
+    public static int getByteSize(int value) {
+        for (int i = 1; i < 5; ++i) {
+            if ((value & -1 << i * 7) == 0) {
+                return i;
+            }
+        }
+        return 5;
+    }
+
+    public static int readVarInt(Object buffer) {
+        int value = 0;
+        int length = 0;
+        byte currentByte;
+        do {
+            currentByte = readByte(buffer);
+            value |= (currentByte & 0x7F) << (length * 7);
+            length++;
+            if (length > 5) {
+                throw new RuntimeException("VarInt is too large. Must be smaller than 5 bytes.");
+            }
+        } while ((currentByte & 0x80) == 0x80);
+        return value;
+    }
+
+    public static void writeVarInt(Object buffer, int value) {
+        while (true) {
+            if ((value & ~0x7F) == 0) {
+                writeByte(buffer, value);
+                return;
+            }
+            writeByte(buffer, (value & 0x7F) | 0x80);
+            value >>>= 7;
+        }
+    }
+
+    public static byte[] copyBytes(Object buffer) {
+        byte[] bytes = new byte[readableBytes(buffer)];
+        getBytes(buffer, readerIndex(buffer), bytes);
+        return bytes;
+    }
+}
@@ -0,0 +1,242 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty.buffer;
+
+import com.github.retrooper.packetevents.exception.PacketProcessException;
+
+import java.io.*;
+//TODO give netty credit
+public class ByteBufInputStream extends InputStream implements DataInput {
+    private final Object buffer;
+    private final int startIndex;
+    private final int endIndex;
+    private final boolean releaseOnClose;
+    private final StringBuilder lineBuf;
+    private boolean closed;
+
+    public ByteBufInputStream(Object buffer) {
+        this(buffer, ByteBufHelper.readableBytes(buffer));
+    }
+
+    public ByteBufInputStream(Object buffer, int length) {
+        this(buffer, length, false);
+    }
+
+    public ByteBufInputStream(Object buffer, boolean releaseOnClose) {
+        this(buffer, ByteBufHelper.readableBytes(buffer), releaseOnClose);
+    }
+
+    public ByteBufInputStream(Object buffer, int maxLength, boolean releaseOnClose) {
+        this.lineBuf = new StringBuilder();
+        if (buffer == null) {
+            throw new NullPointerException("buffer");
+        } else if (maxLength < 0) {
+            if (releaseOnClose) {
+                ByteBufHelper.release(buffer);
+            }
+
+            throw new IllegalArgumentException("maxLength: " + maxLength);
+        } else if (ByteBufHelper.readableBytes(buffer) > maxLength) {
+            if (releaseOnClose) {
+                ByteBufHelper.release(buffer);
+            }
+
+            throw new IndexOutOfBoundsException("Too many bytes to be read - Found " + ByteBufHelper.readableBytes(buffer) + ", maximum is " + maxLength);
+        } else {
+            this.releaseOnClose = releaseOnClose;
+            this.buffer = buffer;
+            this.startIndex = ByteBufHelper.readerIndex(buffer);
+            this.endIndex = this.startIndex + ByteBufHelper.readableBytes(buffer);
+            ByteBufHelper.markReaderIndex(buffer);
+        }
+    }
+
+    public int readBytes() {
+        return ByteBufHelper.readerIndex(buffer) - this.startIndex;
+    }
+
+    public void close() throws IOException {
+        try {
+            super.close();
+        } finally {
+            if (this.releaseOnClose && !this.closed) {
+                this.closed = true;
+                ByteBufHelper.release(buffer);
+            }
+
+        }
+
+    }
+
+    public int available() throws IOException {
+        return this.endIndex - ByteBufHelper.readerIndex(buffer);
+    }
+
+    public void mark(int readlimit) {
+        ByteBufHelper.markReaderIndex(buffer);
+    }
+
+    public boolean markSupported() {
+        return true;
+    }
+
+    public int read() throws IOException {
+        return !(ByteBufHelper.isReadable(buffer)) ? -1 : ByteBufHelper.readByte(buffer) & 255;
+    }
+
+
+    public int read(byte[] b, int off, int len) throws IOException {
+        int available = this.available();
+        if (available == 0) {
+            return -1;
+        } else {
+            len = Math.min(available, len);
+            ByteBufHelper.readBytes(buffer, b, off, len);
+            return len;
+        }
+    }
+
+    public void reset() throws IOException {
+        ByteBufHelper.resetReaderIndex(buffer);
+    }
+
+    public long skip(long n) throws IOException {
+        return n > 2147483647L ? (long) this.skipBytes(2147483647) : (long) this.skipBytes((int) n);
+    }
+
+    public boolean readBoolean() throws IOException {
+        this.checkAvailable(1);
+        return this.read() != 0;
+    }
+
+    public byte[] readBytes(int len) {
+        byte[] bytes = new byte[len];
+        ByteBufHelper.readBytes(buffer, bytes);
+        return bytes;
+    }
+
+    public byte readByte() throws IOException {
+        if (!(ByteBufHelper.isReadable(buffer))) {
+            throw new EOFException();
+        } else {
+            return ByteBufHelper.readByte(buffer);
+        }
+    }
+
+    public char readChar() throws IOException {
+        return (char) this.readShort();
+    }
+
+    public double readDouble() throws IOException {
+        return Double.longBitsToDouble(this.readLong());
+    }
+
+    public float readFloat() throws IOException {
+        return Float.intBitsToFloat(this.readInt());
+    }
+
+    public void readFully(byte[] b) throws IOException {
+        this.readFully(b, 0, b.length);
+    }
+
+    public void readFully(byte[] b, int off, int len) throws IOException {
+        this.checkAvailable(len);
+        ByteBufHelper.readBytes(buffer, b, off, len);
+    }
+
+    public int readInt() throws IOException {
+        this.checkAvailable(4);
+        return ByteBufHelper.readInt(buffer);
+    }
+
+    public String readLine() throws IOException {
+        this.lineBuf.setLength(0);
+
+        while (ByteBufHelper.isReadable(buffer)) {
+            int c = ByteBufHelper.readUnsignedByte(buffer);
+            switch (c) {
+                case 13:
+                    if (ByteBufHelper.isReadable(buffer)
+                            && (char) ByteBufHelper.getUnsignedByte(buffer, ByteBufHelper.readerIndex(buffer)) == '\n') {
+                        ByteBufHelper.skipBytes(buffer, 1);
+                    }
+                case 10:
+                    return this.lineBuf.toString();
+                default:
+                    this.lineBuf.append((char) c);
+            }
+        }
+
+        return this.lineBuf.length() > 0 ? this.lineBuf.toString() : null;
+    }
+
+    public long readLong() throws IOException {
+        this.checkAvailable(8);
+        return ByteBufHelper.readLong(buffer);
+    }
+
+    public long[] readLongs(int size) throws IOException {
+        long[] array = new long[size];
+
+        for (int i = 0; i < array.length; i++) {
+            array[i] = readLong();
+        }
+        return array;
+    }
+
+    public short readShort() throws IOException {
+        this.checkAvailable(2);
+        return ByteBufHelper.readShort(buffer);
+    }
+
+    public String readUTF() throws IOException {
+        String text = DataInputStream.readUTF(this);
+        return text;
+    }
+
+    public int readUnsignedByte() throws IOException {
+        return this.readByte() & 255;
+    }
+
+    public int readUnsignedShort() throws IOException {
+        return this.readShort() & '\uffff';
+    }
+
+    public int skipBytes(int n) throws IOException {
+        int nBytes = Math.min(this.available(), n);
+        ByteBufHelper.skipBytes(buffer, nBytes);
+        return nBytes;
+    }
+
+    private void checkAvailable(int fieldSize) throws IOException {
+        if (fieldSize < 0) {
+            throw new IndexOutOfBoundsException("fieldSize cannot be a negative number");
+        } else if (fieldSize > this.available()) {
+            int value = this.available();
+            String msg = "fieldSize is too long! Length is " + fieldSize + ", but maximum is " + value;
+            if (value == 0) {
+                throw new PacketProcessException(msg);
+            }
+            else {
+                throw new EOFException(msg);
+            }
+        }
+    }
+}
+
@@ -0,0 +1,121 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty.buffer;
+
+import java.nio.charset.Charset;
+
+public interface ByteBufOperator {
+    int capacity(Object buffer);
+    Object capacity(Object buffer, int capacity);
+    int readerIndex(Object buffer);
+    Object readerIndex(Object buffer, int readerIndex);
+
+    int writerIndex(Object buffer);
+    Object writerIndex(Object buffer, int writerIndex);
+
+    int readableBytes(Object buffer);
+    int writableBytes(Object buffer);
+    Object clear(Object buffer);
+
+    byte readByte(Object buffer);
+    short readShort(Object buffer);
+    int readMedium(Object buffer);
+    int readInt(Object buffer);
+    long readUnsignedInt(Object buffer);
+    long readLong(Object buffer);
+
+    void writeByte(Object buffer, int value);
+    void writeShort(Object buffer, int value);
+    void writeShortLE(Object buffer, int value);
+    void writeMedium(Object buffer, int value);
+    void writeInt(Object buffer, int value);
+    void writeLong(Object buffer, long value);
+
+    Object getBytes(Object buffer, int index, byte[] destination);
+    short getUnsignedByte(Object buffer, int index);
+
+    boolean isReadable(Object buffer);
+    Object copy(Object buffer);
+    Object duplicate(Object buffer);
+    boolean hasArray(Object buffer);
+    byte[] array(Object buffer);
+    Object retain(Object buffer);
+    Object retainedDuplicate(Object buffer);
+    Object readSlice(Object buffer, int length);
+    Object readBytes(Object buffer, byte[] destination, int destinationIndex, int length);
+    Object readBytes(Object buffer, int length);
+    void readBytes(Object buffer, byte[] bytes);
+
+    Object writeBytes(Object buffer, Object src);
+    Object writeBytes(Object buffer, byte[] bytes);
+    Object writeBytes(Object buffer, byte[] bytes, int offset, int length);
+
+    boolean release(Object buffer);
+    int refCnt(Object buffer);
+    Object skipBytes(Object buffer, int length);
+    String toString(Object buffer, int index, int length, Charset charset);
+    Object markReaderIndex(Object buffer);
+    Object resetReaderIndex(Object buffer);
+    Object markWriterIndex(Object buffer);
+    Object resetWriterIndex(Object buffer);
+
+    Object allocateNewBuffer(Object buffer);
+
+    default float readFloat(Object buffer) {
+        return Float.intBitsToFloat(readInt(buffer));
+    }
+
+    default void writeFloat(Object buffer, float value) {
+        writeInt(buffer, Float.floatToIntBits(value));
+    }
+
+    default double readDouble(Object buffer) {
+        return Double.longBitsToDouble(readLong(buffer));
+    }
+
+    default void writeDouble(Object buffer, double value) {
+        writeLong(buffer, Double.doubleToLongBits(value));
+    }
+
+    default char readChar(Object buffer) {
+        return (char) readShort(buffer);
+    }
+
+    default void writeChar(Object buffer, int value) {
+        writeShort(buffer, value);
+    }
+
+    //Use writeShort to write
+    default int readUnsignedShort(Object buffer) {
+        return readShort(buffer) & '\uffff';
+    }
+
+    //Use writeByte to write
+    default short readUnsignedByte(Object buffer) {
+        return (short) (this.readByte(buffer) & 255);
+    }
+
+    default boolean readBoolean(Object buffer) {
+        return readByte(buffer) != 0;
+    }
+
+    default void writeBoolean(Object buffer, boolean value) {
+        writeByte(buffer, value ? 1 : 0);
+    }
+}
@@ -0,0 +1,114 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+//TODO Give netty credit
+
+package com.github.retrooper.packetevents.netty.buffer;
+
+import java.io.DataOutput;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class ByteBufOutputStream extends OutputStream implements DataOutput {
+    private final Object buffer;
+    private final int startIndex;
+    private final DataOutputStream utf8out = new DataOutputStream(this);
+
+    public ByteBufOutputStream(Object buffer) {
+        if (buffer == null) {
+            throw new NullPointerException("buffer");
+        } else {
+            this.buffer = buffer;
+            this.startIndex = ByteBufHelper.writerIndex(buffer);
+        }
+    }
+
+    public int writtenBytes() {
+        return ByteBufHelper.writerIndex(buffer) - this.startIndex;
+    }
+
+    public void write(byte[] b, int off, int len) throws IOException {
+        if (len != 0) {
+            ByteBufHelper.writeBytes(buffer, b, off, len);
+        }
+    }
+
+    public void write(byte[] b) throws IOException {
+        ByteBufHelper.writeBytes(buffer, b);
+    }
+
+    public void write(int b) throws IOException {
+        ByteBufHelper.writeByte(buffer, b);
+    }
+
+    public void writeBoolean(boolean v) throws IOException {
+        ByteBufHelper.writeBoolean(buffer, v);
+    }
+
+    public void writeByte(int v) throws IOException {
+        ByteBufHelper.writeByte(buffer, v);
+    }
+
+    @Deprecated
+    public void writeBytes(String s) throws IOException {
+        throw new IllegalStateException("This operation is not supported!");
+    }
+
+    public void writeChar(int v) throws IOException {
+        ByteBufHelper.writeChar(buffer, v);
+    }
+
+    public void writeChars(String s) throws IOException {
+        int len = s.length();
+
+        for (int i = 0; i < len; ++i) {
+            ByteBufHelper.writeChar(buffer, s.charAt(i));
+        }
+
+    }
+
+    public void writeDouble(double v) throws IOException {
+        ByteBufHelper.writeDouble(buffer, v);
+    }
+
+    public void writeFloat(float v) throws IOException {
+        ByteBufHelper.writeFloat(buffer, v);
+    }
+
+    public void writeInt(int v) throws IOException {
+        ByteBufHelper.writeInt(buffer, v);
+    }
+
+    public void writeLong(long v) throws IOException {
+        ByteBufHelper.writeLong(buffer, v);
+    }
+
+    public void writeShort(int v) throws IOException {
+        ByteBufHelper.writeShort(buffer, v);
+    }
+
+    public void writeUTF(String s) throws IOException {
+        this.utf8out.writeUTF(s);
+    }
+
+    public Object buffer() {
+        return this.buffer;
+    }
+}
+
@@ -0,0 +1,59 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty.buffer;
+
+import com.github.retrooper.packetevents.PacketEvents;
+
+public class UnpooledByteBufAllocationHelper {
+    public static Object wrappedBuffer(byte[] bytes) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().wrappedBuffer(bytes);
+    }
+
+    public static Object copiedBuffer(byte[] bytes) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().copiedBuffer(bytes);
+    }
+
+    public static Object buffer() {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().buffer();
+    }
+
+    public static Object directBuffer() {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().directBuffer();
+    }
+
+    public static Object compositeBuffer() {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().compositeBuffer();
+    }
+
+    public static Object buffer(int initialCapacity) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().buffer(initialCapacity);
+    }
+
+    public static Object directBuffer(int initialCapacity) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().directBuffer(initialCapacity);
+    }
+
+    public static Object compositeBuffer(int maxNumComponents) {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().compositeBuffer(maxNumComponents);
+    }
+
+    public static Object emptyBuffer() {
+        return PacketEvents.getAPI().getNettyManager().getByteBufAllocationOperator().emptyBuffer();
+    }
+}
@@ -0,0 +1,103 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty.channel;
+
+import com.github.retrooper.packetevents.PacketEvents;
+
+import java.net.SocketAddress;
+import java.util.Arrays;
+import java.util.List;
+
+public class ChannelHelper {
+    public static SocketAddress remoteAddress(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().remoteAddress(channel);
+    }
+
+    public static SocketAddress localAddress(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().localAddress(channel);
+    }
+
+    public static boolean isOpen(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().isOpen(channel);
+    }
+
+    public static Object close(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().close(channel);
+    }
+
+    public static Object write(Object channel, Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().write(channel, buffer);
+    }
+
+    public static Object flush(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().flush(channel);
+    }
+
+    public static Object writeAndFlush(Object channel, Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().writeAndFlush(channel, buffer);
+    }
+
+    public static Object fireChannelRead(Object channel, Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().fireChannelRead(channel, buffer);
+    }
+
+    public static Object writeInContext(Object channel, String ctx, Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().writeInContext(channel, ctx, buffer);
+    }
+
+    public static Object flushInContext(Object channel, String ctx) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().flushInContext(channel, ctx);
+    }
+
+    public static Object writeAndFlushInContext(Object channel, String ctx, Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().writeAndFlushInContext(channel, ctx, buffer);
+    }
+
+    public static Object fireChannelReadInContext(Object channel, String ctx, Object buffer) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().fireChannelReadInContext(channel, ctx, buffer);
+    }
+
+    public static List<String> pipelineHandlerNames(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().pipelineHandlerNames(channel);
+    }
+
+    public static String pipelineHandlerNamesAsString(Object channel) {
+        return Arrays.toString(pipelineHandlerNames(channel).toArray(new String[0]));
+    }
+
+    public static Object getPipeline(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().getPipeline(channel);
+    }
+
+    public static Object getPipelineHandler(Object channel, String name) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().getPipelineHandler(channel, name);
+    }
+
+    public static Object getPipelineContext(Object channel, String handlerName) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().getPipelineContext(channel, handlerName);
+    }
+
+    public static Object pooledByteBuf(Object channel) {
+        return PacketEvents.getAPI().getNettyManager().getChannelOperator().pooledByteBuf(channel);
+    }
+
+    public static void runInEventLoop(Object channel, Runnable runnable) {
+        PacketEvents.getAPI().getNettyManager().getChannelOperator().runInEventLoop(channel, runnable);
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.netty.channel;
+
+import java.net.SocketAddress;
+import java.util.List;
+
+public interface ChannelOperator {
+    SocketAddress remoteAddress(Object channel);
+
+    SocketAddress localAddress(Object channel);
+
+    boolean isOpen(Object channel);
+
+    Object close(Object channel);
+
+    Object write(Object channel, Object buffer);
+
+    Object flush(Object channel);
+
+    Object writeAndFlush(Object channel, Object buffer);
+
+    Object fireChannelRead(Object channel, Object buffer);
+
+    Object writeInContext(Object channel, String ctx, Object buffer);
+
+    Object flushInContext(Object channel, String ctx);
+
+    Object writeAndFlushInContext(Object channel, String ctx, Object buffer);
+
+    Object fireChannelReadInContext(Object channel, String ctx, Object buffer);
+
+    List<String> pipelineHandlerNames(Object channel);
+
+    Object getPipelineHandler(Object channel, String name);
+
+    Object getPipelineContext(Object channel, String name);
+
+    Object getPipeline(Object channel);
+
+    void runInEventLoop(Object channel, Runnable runnable);
+
+    Object pooledByteBuf(Object channel);
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,17 +16,19 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.event;
+package com.github.retrooper.packetevents.protocol;

 /**
- * The legacy Packet listener.
- * Implement this interface in your listener if you are using the legacy event system.
- *
 * @author retrooper
- * @see PacketListenerAbstract
- * @since 1.2.6
- * @deprecated There is a new and better listener for the new event system.
+ * @since 1.8
 */
-@Deprecated
-public interface PacketListener {
+public enum ConnectionState {
+    HANDSHAKING, STATUS, LOGIN, PLAY, CONFIGURATION;
+
+    public static ConnectionState getById(int id) {
+        if (id >= values().length || id < 0) {
+            return null;
+        }
+        return values()[id];
+    }
 }
@@ -0,0 +1,32 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol;
+
+public enum PacketSide {
+    CLIENT, SERVER;
+
+    public PacketSide getOpposite() {
+        if (this == CLIENT) {
+            return SERVER;
+        }
+        else {
+            return CLIENT;
+        }
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2022 retrooper and 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
@@ -16,12 +16,9 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.packettype;
+package com.github.retrooper.packetevents.protocol;

-/**
- * @author retrooper
- * @since 1.8
- */
-public enum PacketState {
-    STATUS, HANDSHAKING, LOGIN, PLAY
+//TODO
+public enum ProtocolVersion {
+    UNKNOWN
 }
@@ -0,0 +1,144 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.advancements;
+
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collections;
+import java.util.List;
+
+public class Advancement {
+
+    private @Nullable ResourceLocation parent;
+    private @Nullable AdvancementDisplay display;
+    /**
+     * Removed with 1.20.2
+     */
+    private List<String> criteria;
+    private List<List<String>> requirements;
+    /**
+     * Added with 1.20
+     */
+    private boolean sendsTelemetryData;
+
+    public Advancement(
+            @Nullable ResourceLocation parent,
+            @Nullable AdvancementDisplay display,
+            List<List<String>> requirements,
+            boolean sendsTelemetryData
+    ) {
+        this(parent, display, Collections.emptyList(), requirements, sendsTelemetryData);
+    }
+
+    @ApiStatus.Obsolete
+    public Advancement(
+            @Nullable ResourceLocation parent,
+            @Nullable AdvancementDisplay display,
+            List<String> criteria,
+            List<List<String>> requirements,
+            boolean sendsTelemetryData
+    ) {
+        this.parent = parent;
+        this.display = display;
+        this.criteria = criteria;
+        this.requirements = requirements;
+        this.sendsTelemetryData = sendsTelemetryData;
+    }
+
+    public static Advancement read(PacketWrapper<?> wrapper) {
+        ResourceLocation parentId = wrapper.readOptional(ResourceLocation::read);
+        AdvancementDisplay display = wrapper.readOptional(AdvancementDisplay::read);
+        List<String> criteria = wrapper.getServerVersion().isOlderThan(ServerVersion.V_1_20_2)
+                ? wrapper.readList(PacketWrapper::readString) : null;
+        List<List<String>> requirements = wrapper.readList(
+                ew -> wrapper.readList(PacketWrapper::readString));
+        boolean sendsTelemetryData = wrapper.getServerVersion().isNewerThanOrEquals(ServerVersion.V_1_20)
+                && wrapper.readBoolean();
+        return new Advancement(parentId, display, criteria, requirements, sendsTelemetryData);
+    }
+
+    public static void write(PacketWrapper<?> wrapper, Advancement advancement) {
+        wrapper.writeOptional(advancement.parent, ResourceLocation::write);
+        wrapper.writeOptional(advancement.display, AdvancementDisplay::write);
+        if (wrapper.getServerVersion().isOlderThan(ServerVersion.V_1_20_2)) {
+            wrapper.writeList(advancement.criteria, PacketWrapper::writeString);
+        }
+        wrapper.writeList(advancement.getRequirements(), (ew, anyList) ->
+                ew.writeList(anyList, PacketWrapper::writeString));
+        if (wrapper.getServerVersion().isNewerThanOrEquals(ServerVersion.V_1_20)) {
+            wrapper.writeBoolean(advancement.sendsTelemetryData);
+        }
+    }
+
+    public @Nullable ResourceLocation getParent() {
+        return this.parent;
+    }
+
+    public void setParent(@Nullable ResourceLocation parent) {
+        this.parent = parent;
+    }
+
+    public @Nullable AdvancementDisplay getDisplay() {
+        return this.display;
+    }
+
+    public void setDisplay(@Nullable AdvancementDisplay display) {
+        this.display = display;
+    }
+
+    /**
+     * Removed with 1.20.2
+     */
+    public List<String> getCriteria() {
+        return this.criteria;
+    }
+
+    /**
+     * Removed with 1.20.2
+     */
+    public void setCriteria(List<String> criteria) {
+        this.criteria = criteria;
+    }
+
+    public List<List<String>> getRequirements() {
+        return this.requirements;
+    }
+
+    public void setRequirements(List<List<String>> requirements) {
+        this.requirements = requirements;
+    }
+
+    /**
+     * Added with 1.20
+     */
+    public boolean isSendsTelemetryData() {
+        return this.sendsTelemetryData;
+    }
+
+    /**
+     * Added with 1.20
+     */
+    public void setSendsTelemetryData(boolean sendsTelemetryData) {
+        this.sendsTelemetryData = sendsTelemetryData;
+    }
+}
@@ -0,0 +1,168 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.advancements;
+
+import com.github.retrooper.packetevents.protocol.item.ItemStack;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import net.kyori.adventure.text.Component;
+import org.jetbrains.annotations.Nullable;
+
+public final class AdvancementDisplay {
+
+    public static final int FLAG_HAS_BACKGROUND = 0b001;
+    public static final int FLAG_SHOW_TOAST = 0b010;
+    public static final int FLAG_HIDDEN = 0b100;
+
+    private Component title;
+    private Component description;
+    private ItemStack icon;
+    private AdvancementType type;
+    private boolean showToast;
+    private boolean hidden;
+    private @Nullable ResourceLocation background;
+    private float x;
+    private float y;
+
+    public AdvancementDisplay(Component title, Component description, ItemStack icon, AdvancementType type, @Nullable ResourceLocation background, boolean showToast,
+                              boolean hidden, float x, float y) {
+        this.title = title;
+        this.description = description;
+        this.icon = icon;
+        this.type = type;
+        this.showToast = showToast;
+        this.hidden = hidden;
+        this.background = background;
+        this.x = x;
+        this.y = y;
+    }
+
+    public static AdvancementDisplay read(PacketWrapper<?> wrapper) {
+        Component title = wrapper.readComponent();
+        Component description = wrapper.readComponent();
+        ItemStack icon = wrapper.readItemStack();
+        AdvancementType type = wrapper.readEnum(AdvancementType.class);
+        int flags = wrapper.readInt();
+        ResourceLocation background = (flags & FLAG_HAS_BACKGROUND) != 0 ? ResourceLocation.read(wrapper) : null;
+        boolean showToast = (flags & FLAG_SHOW_TOAST) != 0;
+        boolean hidden = (flags & FLAG_HIDDEN) != 0;
+        float x = wrapper.readFloat();
+        float y = wrapper.readFloat();
+        return new AdvancementDisplay(title, description, icon, type, background, showToast, hidden, x, y);
+    }
+
+    public static void write(PacketWrapper<?> wrapper, AdvancementDisplay display) {
+        wrapper.writeComponent(display.title);
+        wrapper.writeComponent(display.description);
+        wrapper.writeItemStack(display.icon);
+        wrapper.writeEnum(display.type);
+        wrapper.writeInt(display.packFlags());
+        if (display.background != null) {
+            ResourceLocation.write(wrapper, display.background);
+        }
+        wrapper.writeFloat(display.x);
+        wrapper.writeFloat(display.y);
+    }
+
+    public int packFlags() {
+        int flags = 0;
+        if (this.background != null) {
+            flags |= FLAG_HAS_BACKGROUND;
+        }
+        if (this.showToast) {
+            flags |= FLAG_SHOW_TOAST;
+        }
+        if (this.hidden) {
+            flags |= FLAG_HIDDEN;
+        }
+        return flags;
+    }
+
+    public Component getTitle() {
+        return this.title;
+    }
+
+    public void setTitle(Component title) {
+        this.title = title;
+    }
+
+    public Component getDescription() {
+        return this.description;
+    }
+
+    public void setDescription(Component description) {
+        this.description = description;
+    }
+
+    public ItemStack getIcon() {
+        return this.icon;
+    }
+
+    public void setIcon(ItemStack icon) {
+        this.icon = icon;
+    }
+
+    public AdvancementType getType() {
+        return this.type;
+    }
+
+    public void setType(AdvancementType type) {
+        this.type = type;
+    }
+
+    public boolean isShowToast() {
+        return this.showToast;
+    }
+
+    public void setShowToast(boolean showToast) {
+        this.showToast = showToast;
+    }
+
+    public boolean isHidden() {
+        return this.hidden;
+    }
+
+    public void setHidden(boolean hidden) {
+        this.hidden = hidden;
+    }
+
+    public @Nullable ResourceLocation getBackground() {
+        return this.background;
+    }
+
+    public void setBackground(@Nullable ResourceLocation background) {
+        this.background = background;
+    }
+
+    public float getX() {
+        return this.x;
+    }
+
+    public void setX(float x) {
+        this.x = x;
+    }
+
+    public float getY() {
+        return this.y;
+    }
+
+    public void setY(float y) {
+        this.y = y;
+    }
+}
@@ -0,0 +1,60 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.advancements;
+
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+
+public final class AdvancementHolder {
+
+    private ResourceLocation identifier;
+    private Advancement advancement;
+
+    public AdvancementHolder(ResourceLocation identifier, Advancement advancement) {
+        this.identifier = identifier;
+        this.advancement = advancement;
+    }
+
+    public static AdvancementHolder read(PacketWrapper<?> wrapper) {
+        ResourceLocation identifier = wrapper.readIdentifier();
+        Advancement advancement = Advancement.read(wrapper);
+        return new AdvancementHolder(identifier, advancement);
+    }
+
+    public static void write(PacketWrapper<?> wrapper, AdvancementHolder holder) {
+        wrapper.writeIdentifier(holder.identifier);
+        Advancement.write(wrapper, holder.advancement);
+    }
+
+    public ResourceLocation getIdentifier() {
+        return this.identifier;
+    }
+
+    public void setIdentifier(ResourceLocation identifier) {
+        this.identifier = identifier;
+    }
+
+    public Advancement getAdvancement() {
+        return this.advancement;
+    }
+
+    public void setAdvancement(Advancement advancement) {
+        this.advancement = advancement;
+    }
+}
@@ -0,0 +1,75 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.advancements;
+
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.Nullable;
+
+import java.util.Map;
+
+public final class AdvancementProgress {
+
+    private Map<String, CriterionProgress> criteria;
+
+    public AdvancementProgress(Map<String, CriterionProgress> criteria) {
+        this.criteria = criteria;
+    }
+
+    public static AdvancementProgress read(PacketWrapper<?> wrapper) {
+        Map<String, CriterionProgress> criteria = wrapper.readMap(PacketWrapper::readString, CriterionProgress::read);
+        return new AdvancementProgress(criteria);
+    }
+
+    public static void write(PacketWrapper<?> wrapper, AdvancementProgress progress) {
+        wrapper.writeMap(progress.getCriteria(), PacketWrapper::writeString, CriterionProgress::write);
+    }
+
+    public Map<String, CriterionProgress> getCriteria() {
+        return this.criteria;
+    }
+
+    public void setCriteria(Map<String, CriterionProgress> criteria) {
+        this.criteria = criteria;
+    }
+
+    public static final class CriterionProgress {
+
+        private @Nullable Long obtainedTimestamp;
+
+        public CriterionProgress(@Nullable Long obtainedTimestamp) {
+            this.obtainedTimestamp = obtainedTimestamp;
+        }
+
+        public static CriterionProgress read(PacketWrapper<?> wrapper) {
+            return new CriterionProgress(wrapper.readOptional(PacketWrapper::readLong));
+        }
+
+        public static void write(PacketWrapper<?> wrapper, CriterionProgress progress) {
+            wrapper.writeOptional(progress.obtainedTimestamp, PacketWrapper::writeLong);
+        }
+
+        public @Nullable Long getObtainedTimestamp() {
+            return this.obtainedTimestamp;
+        }
+
+        public void setObtainedTimestamp(@Nullable Long obtainedTimestamp) {
+            this.obtainedTimestamp = obtainedTimestamp;
+        }
+    }
+}
@@ -1,6 +1,6 @@
 /*
 * This file is part of packetevents - https://github.com/retrooper/packetevents
- * Copyright (C) 2021 retrooper and contributors
+ * Copyright (C) 2025 retrooper and 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
@@ -16,10 +16,12 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-package io.github.retrooper.packetevents.utils.versionlookup.viaversion;
+package com.github.retrooper.packetevents.protocol.advancements;

-import org.bukkit.entity.Player;
+public enum AdvancementType {

-public interface ViaVersionAccessor {
-    int getProtocolVersion(Player player);
+    TASK,
+    CHALLENGE,
+    GOAL,
+    ;
 }
@@ -0,0 +1,52 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2023 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.protocol.mapper.MappedEntity;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.util.MathUtil;
+
+public interface Attribute extends MappedEntity {
+
+    @Override
+    default ResourceLocation getName() {
+        return this.getName(PacketEvents.getAPI().getServerManager().getVersion().toClientVersion());
+    }
+
+    ResourceLocation getName(ClientVersion version);
+
+    default double sanitizeValue(double value) {
+        return this.sanitizeValue(value, PacketEvents.getAPI().getServerManager().getVersion().toClientVersion());
+    }
+
+    default double sanitizeValue(double value, ClientVersion version) {
+        if (!Double.isNaN(value)) {
+            return MathUtil.clamp(value, this.getMinValue(), this.getMaxValue());
+        }
+        return this.getMinValue();
+    }
+
+    double getDefaultValue();
+
+    double getMinValue();
+
+    double getMaxValue();
+}
@@ -0,0 +1,39 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public interface AttributeDisplay {
+
+    static AttributeDisplay read(PacketWrapper<?> wrapper) {
+        AttributeDisplayType<?> type = wrapper.readMappedEntity(AttributeDisplayTypes.getRegistry());
+        return type.read(wrapper);
+    }
+
+    @SuppressWarnings("unchecked") // not unchecked
+    static void write(PacketWrapper<?> wrapper, AttributeDisplay display) {
+        wrapper.writeMappedEntity(display.getType());
+        ((AttributeDisplayType<? super AttributeDisplay>) display.getType()).write(wrapper, display);
+    }
+
+    AttributeDisplayType<?> getType();
+}
@@ -0,0 +1,31 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.protocol.mapper.MappedEntity;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public interface AttributeDisplayType<T extends AttributeDisplay> extends MappedEntity {
+
+    T read(PacketWrapper<?> wrapper);
+
+    void write(PacketWrapper<?> wrapper, T display);
+}
@@ -0,0 +1,56 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.util.mappings.VersionedRegistry;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public final class AttributeDisplayTypes {
+
+    private static final VersionedRegistry<AttributeDisplayType<?>> REGISTRY = new VersionedRegistry<>("attribute_display_type");
+
+    private AttributeDisplayTypes() {
+    }
+
+    @ApiStatus.Internal
+    public static <T extends AttributeDisplay> AttributeDisplayType<T> define(
+            String name, PacketWrapper.Reader<T> reader, PacketWrapper.Writer<T> writer
+    ) {
+        return REGISTRY.define(name, data ->
+                new StaticAttributeDisplayType<>(data, reader, writer));
+    }
+
+    public static VersionedRegistry<AttributeDisplayType<?>> getRegistry() {
+        return REGISTRY;
+    }
+
+    public static final AttributeDisplayType<DefaultAttributeDisplay> DEFAULT = define("default",
+            DefaultAttributeDisplay::read, DefaultAttributeDisplay::write);
+    public static final AttributeDisplayType<HiddenAttributeDisplay> HIDDEN = define("hidden",
+            HiddenAttributeDisplay::read, HiddenAttributeDisplay::write);
+    public static final AttributeDisplayType<OverrideAttributeDisplay> OVERRIDE = define("override",
+            OverrideAttributeDisplay::read, OverrideAttributeDisplay::write);
+
+    static {
+        REGISTRY.unloadMappings();
+    }
+}
@@ -0,0 +1,25 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2024 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+public enum AttributeOperation {
+    ADDITION,
+    MULTIPLY_BASE,
+    MULTIPLY_TOTAL,
+}
@@ -0,0 +1,372 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2023 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.util.mappings.VersionedRegistry;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+
+public final class Attributes {
+
+    private static final VersionedRegistry<Attribute> REGISTRY = new VersionedRegistry<>("attribute");
+
+    private Attributes() {
+    }
+
+    private static Attribute define(
+            String key, @Nullable String legacyPrefix,
+            double def, double min, double max
+    ) {
+        return REGISTRY.define(key, data ->
+                new StaticAttribute(data, legacyPrefix, def, min, max));
+    }
+
+    public static VersionedRegistry<Attribute> getRegistry() {
+        return REGISTRY;
+    }
+
+    public static Attribute getByName(String name) {
+        // "remapping" to support < 1.21.2
+        String normedName = ResourceLocation.normString(name);
+        if (normedName.startsWith(ResourceLocation.VANILLA_NAMESPACE + ":generic.")
+                || normedName.startsWith(ResourceLocation.VANILLA_NAMESPACE + ":player.")
+                || normedName.startsWith(ResourceLocation.VANILLA_NAMESPACE + ":zombie.")) {
+            normedName = normedName.substring(normedName.indexOf('.') + 1);
+        }
+        return REGISTRY.getByName(normedName);
+    }
+
+    public static Attribute getById(ClientVersion version, int id) {
+        return REGISTRY.getById(version, id);
+    }
+
+    public static final Attribute ARMOR = define("armor",
+            "generic", 0d, 0d, 30d);
+    public static final Attribute ARMOR_TOUGHNESS = define("armor_toughness",
+            "generic", 0d, 0d, 20d);
+    public static final Attribute ATTACK_DAMAGE = define("attack_damage",
+            "generic", 2d, 0d, 2048d);
+    public static final Attribute ATTACK_KNOCKBACK = define("attack_knockback",
+            "generic", 0d, 0d, 5d);
+    public static final Attribute ATTACK_SPEED = define("attack_speed",
+            "generic", 4d, 0d, 1024d);
+    public static final Attribute FLYING_SPEED = define("flying_speed",
+            "generic", 0.4d, 0d, 1024d);
+    public static final Attribute FOLLOW_RANGE = define("follow_range",
+            "generic", 32d, 0d, 2048d);
+    public static final Attribute KNOCKBACK_RESISTANCE = define("knockback_resistance",
+            "generic", 0d, 0d, 1d);
+    public static final Attribute LUCK = define("luck",
+            "generic", 0d, -1024d, 1024d);
+    public static final Attribute MAX_HEALTH = define("max_health",
+            "generic", 20d, 1d, 1024d);
+    public static final Attribute MOVEMENT_SPEED = define("movement_speed",
+            "generic", 0.7d, 0d, 1024d);
+    public static final Attribute SPAWN_REINFORCEMENTS = define("spawn_reinforcements",
+            "zombie", 0d, 0d, 1d);
+
+    /**
+     * Added with 1.20.2
+     */
+    public static final Attribute MAX_ABSORPTION = define("max_absorption",
+            "generic", 0d, 0d, 2048d);
+
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute BLOCK_BREAK_SPEED = define("block_break_speed",
+            "player", 1d, 0d, 1024d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute BLOCK_INTERACTION_RANGE = define("block_interaction_range",
+            "player", 4.5d, 0d, 64d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute ENTITY_INTERACTION_RANGE = define("entity_interaction_range",
+            "player", 3d, 0d, 64d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute FALL_DAMAGE_MULTIPLIER = define("fall_damage_multiplier",
+            "generic", 1d, 0d, 100d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute GRAVITY = define("gravity",
+            "generic", 0.08d, -1d, 1d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute JUMP_STRENGTH = define("jump_strength",
+            "generic", 0.42d, 0d, 32d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute SAFE_FALL_DISTANCE = define("safe_fall_distance",
+            "generic", 3d, 0d, 1024d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute SCALE = define("scale",
+            "generic", 1d, 1d / 16d, 16d);
+    /**
+     * Added with 1.20.5
+     */
+    public static final Attribute STEP_HEIGHT = define("step_height",
+            "generic", 0.6d, 0d, 10d);
+
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute BURNING_TIME = define("burning_time",
+            "generic", 0d, 1d, 1024d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute EXPLOSION_KNOCKBACK_RESISTANCE = define("explosion_knockback_resistance",
+            "generic", 0d, 0d, 1d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute MINING_EFFICIENCY = define("mining_efficiency",
+            "player", 0d, 0d, 1024d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute MOVEMENT_EFFICIENCY = define("movement_efficiency",
+            "generic", 0d, 0d, 1d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute OXYGEN_BONUS = define("oxygen_bonus",
+            "generic", 0d, 0d, 1024d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute SNEAKING_SPEED = define("sneaking_speed",
+            "player", 0.3d, 0d, 1d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute SUBMERGED_MINING_SPEED = define("submerged_mining_speed",
+            "player", 0.2d, 0d, 20d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute SWEEPING_DAMAGE_RATIO = define("sweeping_damage_ratio",
+            "player", 0d, 0d, 1d);
+    /**
+     * Added with 1.21
+     */
+    public static final Attribute WATER_MOVEMENT_EFFICIENCY = define("water_movement_efficiency",
+            "generic", 0d, 0d, 1d);
+
+    /**
+     * Added with 1.21.2
+     */
+    public static final Attribute TEMPT_RANGE = define("tempt_range",
+            null, 10d, 0d, 2048d);
+
+    /**
+     * Added with 1.21.6
+     */
+    public static final Attribute CAMERA_DISTANCE = define("camera_distance",
+            null, 4d, 0d, 32d);
+    /**
+     * Added with 1.21.6
+     */
+    public static final Attribute WAYPOINT_TRANSMIT_RANGE = define("waypoint_transmit_range",
+            null, 0d, 0d, 60_000_000d);
+    /**
+     * Added with 1.21.6
+     */
+    public static final Attribute WAYPOINT_RECEIVE_RANGE = define("waypoint_receive_range",
+            null, 0d, 0d, 60_000_000d);
+
+    /**
+     * This attribute has been renamed in 1.20.5 to {@link #JUMP_STRENGTH}
+     */
+    @ApiStatus.Obsolete
+    public static final Attribute HORSE_JUMP_STRENGTH = define("horse.jump_strength",
+            null, 0.7d, 0d, 2d);
+
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_ARMOR = ARMOR;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_ARMOR_TOUGHNESS = ARMOR_TOUGHNESS;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_ATTACK_DAMAGE = ATTACK_DAMAGE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_ATTACK_KNOCKBACK = ATTACK_KNOCKBACK;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_ATTACK_SPEED = ATTACK_SPEED;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_FLYING_SPEED = FLYING_SPEED;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_FOLLOW_RANGE = FOLLOW_RANGE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_KNOCKBACK_RESISTANCE = KNOCKBACK_RESISTANCE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_LUCK = LUCK;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_MAX_HEALTH = MAX_HEALTH;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_MOVEMENT_SPEED = MOVEMENT_SPEED;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute ZOMBIE_SPAWN_REINFORCEMENTS = SPAWN_REINFORCEMENTS;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_MAX_ABSORPTION = MAX_ABSORPTION;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute PLAYER_BLOCK_BREAK_SPEED = BLOCK_BREAK_SPEED;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute PLAYER_BLOCK_INTERACTION_RANGE = BLOCK_INTERACTION_RANGE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute PLAYER_ENTITY_INTERACTION_RANGE = ENTITY_INTERACTION_RANGE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_FALL_DAMAGE_MULTIPLIER = FALL_DAMAGE_MULTIPLIER;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_GRAVITY = GRAVITY;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_JUMP_STRENGTH = JUMP_STRENGTH;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_SAFE_FALL_DISTANCE = SAFE_FALL_DISTANCE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_SCALE = SCALE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_STEP_HEIGHT = STEP_HEIGHT;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_BURNING_TIME = BURNING_TIME;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_EXPLOSION_KNOCKBACK_RESISTANCE = EXPLOSION_KNOCKBACK_RESISTANCE;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute PLAYER_MINING_EFFICIENCY = MINING_EFFICIENCY;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_MOVEMENT_EFFICIENCY = MOVEMENT_EFFICIENCY;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_OXYGEN_BONUS = OXYGEN_BONUS;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute PLAYER_SNEAKING_SPEED = SNEAKING_SPEED;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute PLAYER_SUBMERGED_MINING_SPEED = SUBMERGED_MINING_SPEED;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute PLAYER_SWEEPING_DAMAGE_RATIO = SWEEPING_DAMAGE_RATIO;
+    /**
+     * All attribute "type" prefixes were removed with 1.21.2
+     */
+    @Deprecated
+    public static final Attribute GENERIC_WATER_MOVEMENT_EFFICIENCY = WATER_MOVEMENT_EFFICIENCY;
+
+    static {
+        REGISTRY.unloadMappings();
+    }
+}
@@ -0,0 +1,44 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class DefaultAttributeDisplay implements AttributeDisplay {
+
+    public static final DefaultAttributeDisplay INSTANCE = new DefaultAttributeDisplay();
+
+    private DefaultAttributeDisplay() {
+    }
+
+    public static DefaultAttributeDisplay read(PacketWrapper<?> wrapper) {
+        return INSTANCE;
+    }
+
+    public static void write(PacketWrapper<?> wrapper, DefaultAttributeDisplay display) {
+        // NO-OP
+    }
+
+    @Override
+    public AttributeDisplayType<?> getType() {
+        return AttributeDisplayTypes.DEFAULT;
+    }
+}
@@ -0,0 +1,44 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class HiddenAttributeDisplay implements AttributeDisplay {
+
+    public static final HiddenAttributeDisplay INSTANCE = new HiddenAttributeDisplay();
+
+    private HiddenAttributeDisplay() {
+    }
+
+    public static HiddenAttributeDisplay read(PacketWrapper<?> wrapper) {
+        return INSTANCE;
+    }
+
+    public static void write(PacketWrapper<?> wrapper, HiddenAttributeDisplay display) {
+        // NO-OP
+    }
+
+    @Override
+    public AttributeDisplayType<?> getType() {
+        return AttributeDisplayTypes.HIDDEN;
+    }
+}
@@ -0,0 +1,64 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import net.kyori.adventure.text.Component;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.Objects;
+
+@NullMarked
+public class OverrideAttributeDisplay implements AttributeDisplay {
+
+    private final Component component;
+
+    public OverrideAttributeDisplay(Component component) {
+        this.component = component;
+    }
+
+    public static OverrideAttributeDisplay read(PacketWrapper<?> wrapper) {
+        return new OverrideAttributeDisplay(wrapper.readComponent());
+    }
+
+    public static void write(PacketWrapper<?> wrapper, OverrideAttributeDisplay display) {
+        wrapper.writeComponent(display.component);
+    }
+
+    @Override
+    public AttributeDisplayType<?> getType() {
+        return AttributeDisplayTypes.OVERRIDE;
+    }
+
+    public Component getComponent() {
+        return this.component;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof OverrideAttributeDisplay)) return false;
+        OverrideAttributeDisplay that = (OverrideAttributeDisplay) obj;
+        return this.component.equals(that.component);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(this.component);
+    }
+}
@@ -0,0 +1,71 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2024 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.protocol.mapper.AbstractMappedEntity;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.util.mappings.TypesBuilderData;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+
+public class StaticAttribute extends AbstractMappedEntity implements Attribute {
+
+    private final @Nullable ResourceLocation legacyName;
+    private final double defaultValue;
+    private final double minValue;
+    private final double maxValue;
+
+    @ApiStatus.Internal
+    public StaticAttribute(
+            @Nullable TypesBuilderData data, String legacyPrefix,
+            double defaultValue, double minValue, double maxValue
+    ) {
+        super(data);
+        this.defaultValue = defaultValue;
+        this.minValue = minValue;
+        this.maxValue = maxValue;
+        this.legacyName = legacyPrefix == null || data == null ? null : new ResourceLocation(
+                data.getName().getNamespace(), legacyPrefix + "." + data.getName().getKey());
+    }
+
+    @Override
+    public ResourceLocation getName(ClientVersion version) {
+        if (this.data == null) {
+            throw new UnsupportedOperationException();
+        }
+        return version.isNewerThanOrEquals(ClientVersion.V_1_21_2) || this.legacyName == null
+                ? this.data.getName() : this.legacyName;
+    }
+
+    @Override
+    public double getDefaultValue() {
+        return this.defaultValue;
+    }
+
+    @Override
+    public double getMinValue() {
+        return this.minValue;
+    }
+
+    @Override
+    public double getMaxValue() {
+        return this.maxValue;
+    }
+}
@@ -0,0 +1,52 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.attribute;
+
+import com.github.retrooper.packetevents.protocol.mapper.AbstractMappedEntity;
+import com.github.retrooper.packetevents.util.mappings.TypesBuilderData;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper.Reader;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper.Writer;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class StaticAttributeDisplayType<T extends AttributeDisplay> extends AbstractMappedEntity implements AttributeDisplayType<T> {
+
+    private final Reader<T> reader;
+    private final Writer<T> writer;
+
+    @ApiStatus.Internal
+    public StaticAttributeDisplayType(@Nullable TypesBuilderData data, Reader<T> reader, Writer<T> writer) {
+        super(data);
+        this.reader = reader;
+        this.writer = writer;
+    }
+
+    @Override
+    public T read(PacketWrapper<?> wrapper) {
+        return this.reader.apply(wrapper);
+    }
+
+    @Override
+    public void write(PacketWrapper<?> wrapper, T display) {
+        this.writer.accept(wrapper, display);
+    }
+}
@@ -0,0 +1,13 @@
+package com.github.retrooper.packetevents.protocol.chat;
+
+public enum ChatCompletionAction {
+    ADD,
+    REMOVE,
+    SET;
+
+    private static final ChatCompletionAction[] VALUES = values();
+
+    public static ChatCompletionAction fromId(int id) {
+        return VALUES[id];
+    }
+}
@@ -0,0 +1,169 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import com.github.retrooper.packetevents.protocol.chat.message.ChatMessage_v1_19_1;
+import com.github.retrooper.packetevents.protocol.mapper.CopyableEntity;
+import com.github.retrooper.packetevents.protocol.mapper.DeepComparableEntity;
+import com.github.retrooper.packetevents.protocol.mapper.MappedEntity;
+import com.github.retrooper.packetevents.protocol.nbt.NBT;
+import com.github.retrooper.packetevents.protocol.nbt.NBTCompound;
+import com.github.retrooper.packetevents.protocol.nbt.NBTString;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.util.mappings.TypesBuilderData;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.util.Index;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+import java.util.Objects;
+
+import static com.github.retrooper.packetevents.util.adventure.AdventureIndexUtil.indexValueOrThrow;
+
+@NullMarked
+public interface ChatType extends MappedEntity, CopyableEntity<ChatType>, DeepComparableEntity {
+
+    @UnknownNullability("only nullable for 1.19")
+    ChatTypeDecoration getChatDecoration();
+
+    @ApiStatus.Obsolete(since = "1.19.1")
+    @Nullable ChatTypeDecoration getOverlayDecoration();
+
+    @UnknownNullability("only nullable for 1.19")
+    ChatTypeDecoration getNarrationDecoration();
+
+    @ApiStatus.Obsolete(since = "1.19.1")
+    @Nullable NarrationPriority getNarrationPriority();
+
+    static ChatType readDirect(PacketWrapper<?> wrapper) {
+        ChatTypeDecoration chatDecoration = ChatTypeDecoration.read(wrapper);
+        ChatTypeDecoration narrationDecoration = ChatTypeDecoration.read(wrapper);
+        return new StaticChatType(chatDecoration, narrationDecoration);
+    }
+
+    static void writeDirect(PacketWrapper<?> wrapper, ChatType chatType) {
+        ChatTypeDecoration.write(wrapper, chatType.getChatDecoration());
+        ChatTypeDecoration.write(wrapper, chatType.getNarrationDecoration());
+    }
+
+    static ChatType decode(NBT nbt, ClientVersion version, @Nullable TypesBuilderData data) {
+        // everything is nullable in 1.19, even the chat format!
+        NBTCompound compound = (NBTCompound) nbt;
+        NBTCompound chatTag = compound.getCompoundTagOrNull("chat");
+        NBTCompound narrationTag = compound.getCompoundTagOrNull("narration");
+
+        ChatTypeDecoration overlay = null;
+        NarrationPriority narrationPriority = null;
+        if (version.isOlderThan(ClientVersion.V_1_19_1)) {
+            NBTCompound overlayTag = compound.getCompoundTagOrNull("overlay");
+            if (overlayTag != null) {
+                // why is this nullable? why is this wrapped? There is no reason to wrap this...
+                overlayTag = overlayTag.getCompoundTagOrNull("description");
+                if (overlayTag != null) {
+                    overlay = ChatTypeDecoration.decode(overlayTag, version);
+                }
+            }
+            if (chatTag != null) {
+                chatTag = chatTag.getCompoundTagOrNull("description");
+            }
+            if (narrationTag != null) {
+                // the priority is the ONLY value which isn't nullable!
+                narrationPriority = indexValueOrThrow(NarrationPriority.ID_INDEX,
+                        narrationTag.getStringTagValueOrThrow("priority"));
+                narrationTag = narrationTag.getCompoundTagOrNull("description");
+            }
+        } else {
+            // ensure this isn't null in everything but 1.19
+            Objects.requireNonNull(chatTag, "NBT chat does not exist");
+            Objects.requireNonNull(narrationTag, "NBT narration does not exist");
+        }
+
+        ChatTypeDecoration chat = chatTag == null ? null : ChatTypeDecoration.decode(chatTag, version);
+        ChatTypeDecoration narration = narrationTag == null ? null : ChatTypeDecoration.decode(narrationTag, version);
+        return new StaticChatType(data, chat, overlay, narration, narrationPriority);
+    }
+
+    static NBT encode(ChatType chatType, ClientVersion version) {
+        NBTCompound compound = new NBTCompound();
+        NBT chatTag = chatType.getChatDecoration() == null ? null :
+                ChatTypeDecoration.encode(chatType.getChatDecoration(), version);
+        NBT narrationTag = chatType.getNarrationDecoration() == null ? null :
+                ChatTypeDecoration.encode(chatType.getNarrationDecoration(), version);
+
+        if (version.isOlderThan(ClientVersion.V_1_19_1)) {
+            ChatTypeDecoration overlayDeco = chatType.getOverlayDecoration();
+            if (overlayDeco != null) {
+                NBTCompound overlayCompound = new NBTCompound();
+                overlayCompound.setTag("description",
+                        ChatTypeDecoration.encode(overlayDeco, version));
+                compound.setTag("overlay", overlayCompound);
+            }
+            if (narrationTag != null) {
+                NBTCompound narrationCompound = new NBTCompound();
+                narrationCompound.setTag("description", narrationTag);
+                if (chatType.getNarrationPriority() != null) {
+                    narrationCompound.setTag("priority", new NBTString(chatType.getNarrationPriority().getId()));
+                }
+                narrationTag = narrationCompound;
+            }
+            if (chatTag != null) {
+                NBTCompound chatCompound = new NBTCompound();
+                chatCompound.setTag("description", chatTag);
+                chatTag = chatCompound;
+            }
+        }
+
+        if (chatTag != null) {
+            compound.setTag("chat", chatTag);
+        }
+        if (narrationTag != null) {
+            compound.setTag("narration", narrationTag);
+        }
+        return compound;
+    }
+
+    class Bound extends ChatMessage_v1_19_1.ChatTypeBoundNetwork {
+        public Bound(ChatType type, Component name, @Nullable Component targetName) {
+            super(type, name, targetName);
+        }
+    }
+
+    @ApiStatus.Obsolete(since = "1.19.1")
+    enum NarrationPriority {
+
+        CHAT("chat"),
+        SYSTEM("system");
+
+        public static final Index<String, NarrationPriority> ID_INDEX = Index.create(
+                NarrationPriority.class, NarrationPriority::getId);
+
+        private final String id;
+
+        NarrationPriority(String id) {
+            this.id = id;
+        }
+
+        public String getId() {
+            return this.id;
+        }
+    }
+}
@@ -0,0 +1,205 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2024 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import com.github.retrooper.packetevents.protocol.nbt.NBT;
+import com.github.retrooper.packetevents.protocol.nbt.NBTCompound;
+import com.github.retrooper.packetevents.protocol.nbt.NBTList;
+import com.github.retrooper.packetevents.protocol.nbt.NBTString;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.util.adventure.AdventureSerializer;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.ComponentLike;
+import net.kyori.adventure.text.format.Style;
+import net.kyori.adventure.util.Index;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.function.BiFunction;
+
+import static com.github.retrooper.packetevents.protocol.chat.ChatTypeDecoration.Parameter.CONTENT;
+import static com.github.retrooper.packetevents.protocol.chat.ChatTypeDecoration.Parameter.SENDER;
+import static com.github.retrooper.packetevents.protocol.chat.ChatTypeDecoration.Parameter.TARGET;
+import static com.github.retrooper.packetevents.util.adventure.AdventureIndexUtil.indexValueOrThrow;
+import static java.util.Arrays.asList;
+import static net.kyori.adventure.text.format.NamedTextColor.GRAY;
+import static net.kyori.adventure.text.format.Style.empty;
+import static net.kyori.adventure.text.format.Style.style;
+import static net.kyori.adventure.text.format.TextDecoration.ITALIC;
+
+public class ChatTypeDecoration {
+
+    private final String translationKey;
+    private final List<Parameter> parameters;
+    private final Style style;
+
+    public ChatTypeDecoration(String translationKey, List<Parameter> parameters, Style style) {
+        this.translationKey = translationKey;
+        this.parameters = Collections.unmodifiableList(new ArrayList<>(parameters));
+        this.style = style;
+    }
+
+    public static ChatTypeDecoration read(PacketWrapper<?> wrapper) {
+        String translationKey = wrapper.readString();
+        List<Parameter> parameters = wrapper.readList(ew -> ew.readEnum(Parameter.values()));
+        Style style = wrapper.readStyle();
+        return new ChatTypeDecoration(translationKey, parameters, style);
+    }
+
+    public static void write(PacketWrapper<?> wrapper, ChatTypeDecoration decoration) {
+        wrapper.writeString(decoration.translationKey);
+        wrapper.writeList(decoration.parameters, PacketWrapper::writeEnum);
+        wrapper.writeStyle(decoration.style);
+    }
+
+    @Deprecated
+    public static ChatTypeDecoration decode(NBT nbt, ClientVersion version) {
+        return decode(nbt, PacketWrapper.createDummyWrapper(version));
+    }
+
+    public static ChatTypeDecoration decode(NBT nbt, PacketWrapper<?> wrapper) {
+        NBTCompound compound = (NBTCompound) nbt;
+        String translationKey = compound.getStringTagValueOrThrow("translation_key");
+        NBT paramsTag = compound.getTagOrThrow("parameters");
+        List<Parameter> params;
+        if (paramsTag instanceof NBTList<?>) {
+            params = new ArrayList<>();
+            NBTList<?> paramsTagList = (NBTList<?>) paramsTag;
+            for (NBT paramTag : paramsTagList.getTags()) {
+                String paramId = ((NBTString) paramTag).getValue();
+                params.add(indexValueOrThrow(Parameter.ID_INDEX, paramId));
+            }
+        } else {
+            String paramId = ((NBTString) paramsTag).getValue();
+            params = Collections.singletonList(indexValueOrThrow(Parameter.ID_INDEX, paramId));
+        }
+        NBTCompound styleTag = compound.getCompoundTagOrNull("style");
+        Style style = styleTag == null ? empty() :
+                wrapper.getSerializers().nbt().deserializeStyle(styleTag, wrapper);
+        return new ChatTypeDecoration(translationKey, params, style);
+    }
+
+    @Deprecated
+    public static NBT encode(ChatTypeDecoration decoration, ClientVersion version) {
+        return encode(decoration, PacketWrapper.createDummyWrapper(version));
+    }
+
+    public static NBT encode(ChatTypeDecoration decoration, PacketWrapper<?> wrapper) {
+        NBTList<NBTString> paramsTag = NBTList.createStringList();
+        for (Parameter param : decoration.parameters) {
+            paramsTag.addTag(new NBTString(param.getId()));
+        }
+
+        NBTCompound compound = new NBTCompound();
+        compound.setTag("translation_key", new NBTString(decoration.translationKey));
+        compound.setTag("parameters", paramsTag);
+        if (!decoration.style.isEmpty()) {
+            compound.setTag("style", wrapper.getSerializers()
+                    .nbt().serializeStyle(decoration.style, wrapper));
+        }
+        return compound;
+    }
+
+    public static ChatTypeDecoration withSender(String translationKey) {
+        return new ChatTypeDecoration(translationKey, asList(SENDER, CONTENT), empty());
+    }
+
+    public static ChatTypeDecoration incomingDirectMessage(String translationKey) {
+        return new ChatTypeDecoration(translationKey, asList(SENDER, CONTENT),
+                style(GRAY, ITALIC));
+    }
+
+    public static ChatTypeDecoration outgoingDirectMessage(String translationKey) {
+        return new ChatTypeDecoration(translationKey, asList(TARGET, CONTENT),
+                style(GRAY, ITALIC));
+    }
+
+    public static ChatTypeDecoration teamMessage(String translationKey) {
+        return new ChatTypeDecoration(translationKey, asList(TARGET, SENDER, CONTENT), empty());
+    }
+
+    public Component decorate(Component component, ChatType.Bound chatType) {
+        ComponentLike[] components = new ComponentLike[this.parameters.size()];
+        for (int i = 0; i < components.length; i++) {
+            Parameter parameter = this.parameters.get(i);
+            components[i] = parameter.selector.apply(component, chatType);
+        }
+        return Component.translatable(this.translationKey, null, this.style, components);
+    }
+
+    public String getTranslationKey() {
+        return this.translationKey;
+    }
+
+    public List<Parameter> getParameters() {
+        return this.parameters;
+    }
+
+    public Style getStyle() {
+        return this.style;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (!(obj instanceof ChatTypeDecoration)) return false;
+        ChatTypeDecoration that = (ChatTypeDecoration) obj;
+        if (!this.translationKey.equals(that.translationKey)) return false;
+        if (!this.parameters.equals(that.parameters)) return false;
+        return this.style.equals(that.style);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(this.translationKey, this.parameters, this.style);
+    }
+
+    public enum Parameter {
+
+        SENDER("sender", (component, type) -> type.getName()),
+        TARGET("target", (component, type) -> type.getTargetName() != null
+                ? type.getTargetName() : Component.empty()),
+        CONTENT("content", (component, type) -> component);
+
+        public static final Index<String, Parameter> ID_INDEX = Index.create(
+                Parameter.class, Parameter::getId);
+
+        private final String id;
+        private final BiFunction<Component, ChatType.Bound, Component> selector;
+
+        Parameter(String id, BiFunction<Component, ChatType.Bound, Component> selector) {
+            this.id = id;
+            this.selector = selector;
+        }
+
+        public String getId() {
+            return this.id;
+        }
+
+        @Deprecated
+        public static @Nullable Parameter valueByName(String id) {
+            return ID_INDEX.value(id);
+        }
+    }
+}
+
@@ -0,0 +1,106 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.util.mappings.VersionedRegistry;
+import org.jetbrains.annotations.ApiStatus;
+
+import java.util.Collection;
+
+import static com.github.retrooper.packetevents.protocol.chat.ChatTypeDecoration.incomingDirectMessage;
+import static com.github.retrooper.packetevents.protocol.chat.ChatTypeDecoration.outgoingDirectMessage;
+import static com.github.retrooper.packetevents.protocol.chat.ChatTypeDecoration.teamMessage;
+import static com.github.retrooper.packetevents.protocol.chat.ChatTypeDecoration.withSender;
+
+public final class ChatTypes {
+
+    private static final VersionedRegistry<ChatType> REGISTRY = new VersionedRegistry<>("chat_type");
+
+    private ChatTypes() {
+    }
+
+    @ApiStatus.Internal
+    public static ChatType define(String key) {
+        return define(key, withSender("chat.type.text"));
+    }
+
+    @ApiStatus.Internal
+    public static ChatType define(String key, ChatTypeDecoration chatDeco) {
+        return define(key, chatDeco, withSender("chat.type.text.narrate"));
+    }
+
+    @ApiStatus.Internal
+    public static ChatType define(String key, ChatTypeDecoration chatDeco, ChatTypeDecoration narrationDeco) {
+        return REGISTRY.define(key, data ->
+                new StaticChatType(data, chatDeco, narrationDeco));
+    }
+
+    public static VersionedRegistry<ChatType> getRegistry() {
+        return REGISTRY;
+    }
+
+    public static ChatType getByName(String name) {
+        return REGISTRY.getByName(name);
+    }
+
+    public static ChatType getById(ClientVersion version, int id) {
+        return REGISTRY.getById(version, id);
+    }
+
+    public static final ChatType CHAT = define("chat");
+    public static final ChatType SAY_COMMAND = define("say_command",
+            withSender("chat.type.announcement"));
+    public static final ChatType MSG_COMMAND_INCOMING = define("msg_command_incoming",
+            incomingDirectMessage("commands.message.display.incoming"));
+    public static final ChatType MSG_COMMAND_OUTGOING = define("msg_command_outgoing",
+            outgoingDirectMessage("commands.message.display.outgoing"));
+    public static final ChatType TEAM_MSG_COMMAND_INCOMING = define("team_msg_command_incoming",
+            teamMessage("chat.type.team.text"));
+    public static final ChatType TEAM_MSG_COMMAND_OUTGOING = define("team_msg_command_outgoing",
+            teamMessage("chat.type.team.sent"));
+    public static final ChatType EMOTE_COMMAND = define("emote_command",
+            withSender("chat.type.emote"),
+            withSender("chat.type.emote"));
+
+    // added by CraftBukkit for a few versions
+    public static final ChatType RAW = define("raw");
+
+    @Deprecated
+    public static final ChatType SYSTEM = define("system");
+    @Deprecated
+    public static final ChatType GAME_INFO = define("game_info");
+    @Deprecated
+    public static final ChatType MSG_COMMAND = define("msg_command");
+    @Deprecated
+    public static final ChatType TEAM_MSG_COMMAND = define("team_msg_command");
+
+    /**
+     * Returns an immutable view of the chat types.
+     *
+     * @return Chat Types
+     */
+    public static Collection<ChatType> values() {
+        return REGISTRY.getEntries();
+    }
+
+    static {
+        REGISTRY.unloadMappings();
+    }
+}
@@ -0,0 +1,124 @@
+package com.github.retrooper.packetevents.protocol.chat;
+
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.DataOutput;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.BitSet;
+import java.util.List;
+import java.util.UUID;
+
+public class LastSeenMessages {
+    public static final LastSeenMessages EMPTY = new LastSeenMessages(new ArrayList<>());
+
+    private final List<Entry> entries;
+
+    public LastSeenMessages(List<Entry> entries) {
+        this.entries = entries;
+    }
+
+    public void updateHash(DataOutput output) throws IOException {
+        for (Entry entry : this.entries) {
+            UUID uuid = entry.getUUID();
+            byte[] lastVerifier = entry.getLastVerifier();
+            output.writeByte(70);
+            output.writeLong(uuid.getMostSignificantBits());
+            output.writeLong(uuid.getLeastSignificantBits());
+            output.write(lastVerifier);
+        }
+    }
+
+    public List<Entry> getEntries() {
+        return entries;
+    }
+
+    public static class Packed {
+        private List<MessageSignature.Packed> packedMessageSignatures;
+
+        public Packed(List<MessageSignature.Packed> packedMessageSignatures) {
+            this.packedMessageSignatures = packedMessageSignatures;
+        }
+
+        public List<MessageSignature.Packed> getPackedMessageSignatures() {
+            return packedMessageSignatures;
+        }
+
+        public void setPackedMessageSignatures(List<MessageSignature.Packed> packedMessageSignatures) {
+            this.packedMessageSignatures = packedMessageSignatures;
+        }
+    }
+
+    public static class Entry {
+        private final UUID uuid;
+        private final byte[] signature;
+
+        public Entry(UUID uuid, byte[] lastVerifier) {
+            this.uuid = uuid;
+            this.signature = lastVerifier;
+        }
+
+        public UUID getUUID() {
+            return uuid;
+        }
+
+        public byte[] getLastVerifier() {
+            return signature;
+        }
+    }
+
+    public static class LegacyUpdate {
+        private final LastSeenMessages lastSeenMessages;
+        private final @Nullable Entry lastReceived;
+
+        public LegacyUpdate(LastSeenMessages lastSeenMessages, @Nullable Entry lastReceived) {
+            this.lastSeenMessages = lastSeenMessages;
+            this.lastReceived = lastReceived;
+        }
+
+        public LastSeenMessages getLastSeenMessages() {
+            return lastSeenMessages;
+        }
+
+        public @Nullable Entry getLastReceived() {
+            return lastReceived;
+        }
+    }
+
+    public static class Update {
+
+        private final int offset;
+        private final BitSet acknowledged;
+        private final byte checksum;
+
+        /**
+         * Checksum has been added with 1.21.5
+         */
+        @ApiStatus.Obsolete
+        public Update(int offset, BitSet acknowledged) {
+            this(offset, acknowledged, (byte) 0);
+        }
+
+        public Update(int offset, BitSet acknowledged, byte checksum) {
+            this.offset = offset;
+            this.acknowledged = acknowledged;
+            this.checksum = checksum;
+        }
+
+        public int getOffset() {
+            return offset;
+        }
+
+        public BitSet getAcknowledged() {
+            return acknowledged;
+        }
+
+        /**
+         * Added with 1.21.5
+         */
+        public byte getChecksum() {
+            return this.checksum;
+        }
+    }
+}
@@ -0,0 +1,69 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import net.kyori.adventure.text.Component;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.UUID;
+
+public class MessageSender {
+    private @NotNull UUID uuid;
+    private @Nullable Component displayName;
+    private @Nullable Component teamName;
+
+    public MessageSender(@NotNull UUID uuid, @Nullable Component displayName, @Nullable Component teamName) {
+        this.uuid = uuid;
+        this.displayName = displayName;
+        this.teamName = teamName;
+    }
+
+    public MessageSender(@Nullable Component displayName, @Nullable Component teamName) {
+        this(new UUID(0L, 0L), displayName, teamName);
+    }
+
+    public MessageSender() {
+        this(null, null);
+    }
+
+    public UUID getUUID() {
+        return uuid;
+    }
+
+    public void setUUID(@NotNull UUID uuid) {
+        this.uuid = uuid;
+    }
+
+    public @Nullable Component getDisplayName() {
+        return displayName;
+    }
+
+    public void setDisplayName(@Nullable Component displayName) {
+        this.displayName = displayName;
+    }
+
+    public @Nullable Component getTeamName() {
+        return teamName;
+    }
+
+    public void setTeamName(@Nullable Component teamName) {
+        this.teamName = teamName;
+    }
+}
@@ -0,0 +1,70 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2023 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Optional;
+
+public class MessageSignature {
+    private byte[] bytes;
+
+    public MessageSignature(byte[] bytes) {
+        this.bytes = bytes;
+    }
+
+    public byte[] getBytes() {
+        return bytes;
+    }
+
+    public void setBytes(byte[] bytes) {
+        this.bytes = bytes;
+    }
+
+    public static class Packed {
+        private int id;
+        private @Nullable MessageSignature fullSignature;
+
+        public Packed(@Nullable MessageSignature fullSignature) {
+            this.id = -1;
+            this.fullSignature = fullSignature;
+        }
+
+        public Packed(int id) {
+            this.id = id;
+            this.fullSignature = null;
+        }
+
+        public int getId() {
+            return id;
+        }
+
+        public void setId(int id) {
+            this.id = id;
+        }
+
+        public Optional<MessageSignature> getFullSignature() {
+            return Optional.ofNullable(fullSignature);
+        }
+
+        public void setFullSignature(@Nullable MessageSignature fullSignature) {
+            this.fullSignature = fullSignature;
+        }
+    }
+}
@@ -0,0 +1,140 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import com.github.retrooper.packetevents.PacketEvents;
+import com.github.retrooper.packetevents.protocol.chat.Parsers.Parser;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.Optional;
+
+public class Node {
+
+    public static final byte TYPE_MASK = 0b11;
+    public static final byte TYPE_ROOT = 0b00;
+    public static final byte TYPE_LITERAL = 0b01;
+    public static final byte TYPE_ARGUMENT = 0b10;
+
+    public static final byte FLAG_MASK = ~TYPE_MASK;
+    public static final byte FLAG_EXECUTABLE = 0b000100;
+    public static final byte FLAG_REDIRECT = 0b001000;
+    public static final byte FLAG_CUSTOM_SUGGESTIONS = 0b010000;
+    /**
+     * Added with 1.21.6
+     */
+    public static final byte FLAG_RESTRICTED = 0b100000;
+
+    private byte flags;
+    private List<Integer> children;
+    private int redirectNodeIndex;
+    private Optional<String> name;
+    private Optional<Parser> parser;
+    private Optional<List<Object>> properties;
+    private Optional<ResourceLocation> suggestionsType;
+
+    public Node(
+            byte flags, List<Integer> children, int redirectNodeIndex, @Nullable String name,
+            @Nullable Integer parserID, @Nullable List<Object> properties, @Nullable ResourceLocation suggestionsType
+    ) {
+        this(flags, children, redirectNodeIndex, name, parserID == null ? null : Parsers.getById(
+                        PacketEvents.getAPI().getServerManager().getVersion().toClientVersion(), parserID),
+                properties, suggestionsType);
+    }
+
+    public Node(
+            byte flags, List<Integer> children, int redirectNodeIndex, @Nullable String name, @Nullable Parser parser,
+            @Nullable List<Object> properties, @Nullable ResourceLocation suggestionsType
+    ) {
+        this.flags = flags;
+        this.children = children;
+        this.redirectNodeIndex = redirectNodeIndex;
+        this.name = Optional.ofNullable(name);
+        this.parser = Optional.ofNullable(parser);
+        this.properties = Optional.ofNullable(properties);
+        this.suggestionsType = Optional.ofNullable(suggestionsType);
+    }
+
+    public byte getFlags() {
+        return flags;
+    }
+
+    public void setFlags(byte flags) {
+        this.flags = flags;
+    }
+
+    public List<Integer> getChildren() {
+        return children;
+    }
+
+    public void setChildren(List<Integer> children) {
+        this.children = children;
+    }
+
+    public int getRedirectNodeIndex() {
+        return redirectNodeIndex;
+    }
+
+    public void setRedirectNodeIndex(int redirectNodeIndex) {
+        this.redirectNodeIndex = redirectNodeIndex;
+    }
+
+    public Optional<String> getName() {
+        return name;
+    }
+
+    public void setName(Optional<String> name) {
+        this.name = name;
+    }
+
+    public Optional<Parser> getParser() {
+        return this.parser;
+    }
+
+    public void setParser(Optional<Parser> parser) {
+        this.parser = parser;
+    }
+
+    public Optional<Integer> getParserID() {
+        return this.parser.map(parser -> parser.getId(PacketEvents.getAPI()
+                .getServerManager().getVersion().toClientVersion()));
+    }
+
+    public void setParserID(Optional<Integer> parserID) {
+        this.parser = parserID.map(id -> Parsers.getById(PacketEvents.getAPI()
+                .getServerManager().getVersion().toClientVersion(), id));
+    }
+
+    public Optional<List<Object>> getProperties() {
+        return properties;
+    }
+
+    public void setProperties(Optional<List<Object>> properties) {
+        this.properties = properties;
+    }
+
+    public Optional<ResourceLocation> getSuggestionsType() {
+        return suggestionsType;
+    }
+
+    public void setSuggestionsType(Optional<ResourceLocation> suggestionsType) {
+        this.suggestionsType = suggestionsType;
+    }
+}
@@ -0,0 +1,276 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2024 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.protocol.mapper.AbstractMappedEntity;
+import com.github.retrooper.packetevents.protocol.player.ClientVersion;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.util.mappings.TypesBuilderData;
+import com.github.retrooper.packetevents.util.mappings.VersionedRegistry;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+
+@NullMarked
+public final class Parsers {
+
+    private static final VersionedRegistry<Parser> REGISTRY = new VersionedRegistry<>("command_argument_type");
+
+    private Parsers() {
+    }
+
+    @ApiStatus.Internal
+    public static Parser define(String key) {
+        return define(key, null, null);
+    }
+
+    @ApiStatus.Internal
+    public static Parser define(String key, @Nullable Reader reader, @Nullable Writer writer) {
+        return REGISTRY.define(key, data -> new Parser(data, reader, writer));
+    }
+
+    public static Parser getByName(String name) {
+        return REGISTRY.getByName(name);
+    }
+
+    public static Parser getById(ClientVersion version, int id) {
+        return REGISTRY.getById(version, id);
+    }
+
+    public static List<Parser> getParsers() {
+        return new ArrayList<>(REGISTRY.getEntries());
+    }
+
+    public static VersionedRegistry<Parser> getRegistry() {
+        return REGISTRY;
+    }
+
+    public static final Parser BRIGADIER_BOOL = define("brigadier:bool", null, null);
+    public static final Parser BRIGADIER_FLOAT = define("brigadier:float",
+            packetWrapper -> {
+                byte flags = packetWrapper.readByte();
+                float min = (flags & 0x01) != 0 ? packetWrapper.readFloat() : -Float.MAX_VALUE;
+                float max = (flags & 0x02) != 0 ? packetWrapper.readFloat() : Float.MAX_VALUE;
+                return Arrays.asList(flags, min, max);
+            },
+            (packetWrapper, properties) -> {
+                byte flags = (byte) properties.get(0);
+                packetWrapper.writeByte(flags);
+                if ((flags & 0x01) != 0) packetWrapper.writeFloat((float) properties.get(1));
+                if ((flags & 0x02) != 0) packetWrapper.writeFloat((float) properties.get(2));
+            }
+    );
+    public static final Parser BRIGADIER_DOUBLE = define("brigadier:double",
+            packetWrapper -> {
+                byte flags = packetWrapper.readByte();
+                double min = (flags & 0x01) != 0 ? packetWrapper.readDouble() : -Double.MAX_VALUE;
+                double max = (flags & 0x02) != 0 ? packetWrapper.readDouble() : Double.MAX_VALUE;
+                return Arrays.asList(flags, min, max);
+            },
+            (packetWrapper, properties) -> {
+                byte flags = (byte) properties.get(0);
+                packetWrapper.writeByte(flags);
+                if ((flags & 0x01) != 0) packetWrapper.writeDouble((double) properties.get(1));
+                if ((flags & 0x02) != 0) packetWrapper.writeDouble((double) properties.get(2));
+            }
+    );
+    public static final Parser BRIGADIER_INTEGER = define("brigadier:integer",
+            packetWrapper -> {
+                byte flags = packetWrapper.readByte();
+                int min = (flags & 0x01) != 0 ? packetWrapper.readInt() : Integer.MIN_VALUE;
+                int max = (flags & 0x02) != 0 ? packetWrapper.readInt() : Integer.MAX_VALUE;
+                return Arrays.asList(flags, min, max);
+            },
+            (packetWrapper, properties) -> {
+                byte flags = (byte) properties.get(0);
+                packetWrapper.writeByte(flags);
+                if ((flags & 0x01) != 0) packetWrapper.writeInt((int) properties.get(1));
+                if ((flags & 0x02) != 0) packetWrapper.writeInt((int) properties.get(2));
+            }
+    );
+    public static final Parser BRIGADIER_LONG = define("brigadier:long",
+            packetWrapper -> {
+                byte flags = packetWrapper.readByte();
+                long min = (flags & 0x01) != 0 ? packetWrapper.readLong() : Long.MIN_VALUE;
+                long max = (flags & 0x02) != 0 ? packetWrapper.readLong() : Long.MAX_VALUE;
+                return Arrays.asList(flags, min, max);
+            },
+            (packetWrapper, properties) -> {
+                byte flags = (byte) properties.get(0);
+                packetWrapper.writeByte(flags);
+                if ((flags & 0x01) != 0) packetWrapper.writeLong((long) properties.get(1));
+                if ((flags & 0x02) != 0) packetWrapper.writeLong((long) properties.get(2));
+            }
+    );
+    public static final Parser BRIGADIER_STRING = define("brigadier:string",
+            packetWrapper -> Collections.singletonList(packetWrapper.readVarInt()),
+            (packetWrapper, properties) -> packetWrapper.writeVarInt((Integer) properties.get(0))
+    );
+    public static final Parser ENTITY = define("entity",
+            packetWrapper -> Collections.singletonList(packetWrapper.readByte()),
+            (packetWrapper, properties) -> packetWrapper.writeByte(((Byte) properties.get(0)).intValue())
+    );
+    public static final Parser GAME_PROFILE = define("game_profile", null, null);
+    public static final Parser BLOCK_POS = define("block_pos", null, null);
+    public static final Parser COLUMN_POS = define("column_pos", null, null);
+    public static final Parser VEC3 = define("vec3", null, null);
+    public static final Parser VEC2 = define("vec2", null, null);
+    public static final Parser BLOCK_STATE = define("block_state", null, null);
+    public static final Parser BLOCK_PREDICATE = define("block_predicate", null, null);
+    public static final Parser ITEM_STACK = define("item_stack", null, null);
+    public static final Parser ITEM_PREDICATE = define("item_predicate", null, null);
+    public static final Parser COLOR = define("color", null, null);
+    public static final Parser COMPONENT = define("component", null, null);
+    public static final Parser STYLE = define("style", null, null);
+    public static final Parser MESSAGE = define("message", null, null);
+    public static final Parser NBT_COMPOUND_TAG = define("nbt_compound_tag", null, null);
+    @ApiStatus.Obsolete
+    public static final Parser NBT = define("nbt", null, null);
+    public static final Parser NBT_TAG = define("nbt_tag", null, null);
+    public static final Parser NBT_PATH = define("nbt_path", null, null);
+    public static final Parser OBJECTIVE = define("objective", null, null);
+    public static final Parser OBJECTIVE_CRITERIA = define("objective_criteria", null, null);
+    public static final Parser OPERATION = define("operation", null, null);
+    public static final Parser PARTICLE = define("particle", null, null);
+    public static final Parser ANGLE = define("angle", null, null);
+    public static final Parser ROTATION = define("rotation", null, null);
+    public static final Parser SCOREBOARD_SLOT = define("scoreboard_slot", null, null);
+    public static final Parser SCORE_HOLDER = define("score_holder",
+            packetWrapper -> Collections.singletonList(packetWrapper.readByte()),
+            (packetWrapper, properties) -> packetWrapper.writeByte(((Byte) properties.get(0)).intValue())
+    );
+    public static final Parser SWIZZLE = define("swizzle", null, null);
+    public static final Parser TEAM = define("team", null, null);
+    public static final Parser ITEM_SLOT = define("item_slot", null, null);
+    public static final Parser ITEM_SLOTS = define("item_slots", null, null);
+    public static final Parser RESOURCE_LOCATION = define("resource_location", null, null);
+    public static final Parser MOB_EFFECT = define("mob_effect", null, null);
+    public static final Parser FUNCTION = define("function", null, null);
+    public static final Parser ENTITY_ANCHOR = define("entity_anchor", null, null);
+    public static final Parser INT_RANGE = define("int_range", null, null);
+    public static final Parser FLOAT_RANGE = define("float_range", null, null);
+    public static final Parser ITEM_ENCHANTMENT = define("item_enchantment", null, null);
+    public static final Parser ENTITY_SUMMON = define("entity_summon", null, null);
+    public static final Parser DIMENSION = define("dimension", null, null);
+    public static final Parser GAMEMODE = define("gamemode", null, null);
+    public static final Parser TIME = define("time",
+            wrapper -> Collections.singletonList(wrapper.getServerVersion()
+                    .isNewerThanOrEquals(ServerVersion.V_1_19_4) ? wrapper.readInt() : 0),
+            (wrapper, properties) -> {
+                if (wrapper.getServerVersion().isNewerThanOrEquals(ServerVersion.V_1_19_4)) {
+                    wrapper.writeInt((int) properties.get(0));
+                }
+            }
+    );
+    public static final Parser RESOURCE_OR_TAG = define("resource_or_tag",
+            packetWrapper -> Collections.singletonList(packetWrapper.readIdentifier()),
+            (packetWrapper, properties) -> packetWrapper.writeIdentifier((ResourceLocation) properties.get(0))
+    );
+    public static final Parser RESOURCE_OR_TAG_KEY = define("resource_or_tag_key",
+            packetWrapper -> Collections.singletonList(packetWrapper.readIdentifier()),
+            (packetWrapper, properties) -> packetWrapper.writeIdentifier((ResourceLocation) properties.get(0))
+    );
+    public static final Parser RESOURCE = define("resource",
+            packetWrapper -> Collections.singletonList(packetWrapper.readIdentifier()),
+            (packetWrapper, properties) -> packetWrapper.writeIdentifier((ResourceLocation) properties.get(0))
+    );
+    public static final Parser RESOURCE_KEY = define("resource_key",
+            packetWrapper -> Collections.singletonList(packetWrapper.readIdentifier()),
+            (packetWrapper, properties) -> packetWrapper.writeIdentifier((ResourceLocation) properties.get(0))
+    );
+    public static final Parser TEMPLATE_MIRROR = define("template_mirror", null, null);
+    public static final Parser TEMPLATE_ROTATION = define("template_rotation", null, null);
+    public static final Parser HEIGHTMAP = define("heightmap", null, null);
+    public static final Parser LOOT_TABLE = define("loot_table", null, null);
+    public static final Parser LOOT_PREDICATE = define("loot_predicate", null, null);
+    public static final Parser LOOT_MODIFIER = define("loot_modifier", null, null);
+    public static final Parser UUID = define("uuid", null, null);
+
+    /**
+     * Added with 1.21.5
+     */
+    public static final Parser RESOURCE_SELECTOR = define("resource_selector",
+            wrapper -> Collections.singletonList(wrapper.readIdentifier()),
+            (wrapper, value) -> wrapper.writeIdentifier((ResourceLocation) value.get(0))
+    );
+
+    /**
+     * Added with 1.21.6
+     */
+    public static final Parser HEX_COLOR = define("hex_color", null, null);
+    /**
+     * Added with 1.21.6
+     */
+    public static final Parser DIALOG = define("dialog", null, null);
+
+    static {
+        REGISTRY.unloadMappings();
+    }
+
+    @FunctionalInterface
+    public interface Reader extends Function<PacketWrapper<?>, List<Object>> {}
+
+    @FunctionalInterface
+    public interface Writer extends BiConsumer<PacketWrapper<?>, List<Object>> {}
+
+    public static final class Parser extends AbstractMappedEntity {
+
+        private final Reader reader;
+        private final Writer writer;
+
+        @Deprecated
+        public Parser(String name, @Nullable Function<PacketWrapper<?>, List<Object>> read, @Nullable BiConsumer<PacketWrapper<?>, List<Object>> write) {
+            this(
+                    new TypesBuilderData(new ResourceLocation(name), new int[0]),
+                    read == null ? null : read::apply,
+                    write == null ? null : write::accept
+            );
+        }
+
+        @ApiStatus.Internal
+        public Parser(@Nullable TypesBuilderData data, @Nullable Reader reader, @Nullable Writer writer) {
+            super(data);
+            this.reader = reader;
+            this.writer = writer;
+        }
+
+        public Optional<List<Object>> readProperties(PacketWrapper<?> wrapper) {
+            if (this.reader != null) {
+                return Optional.of(this.reader.apply(wrapper));
+            }
+            return Optional.empty();
+        }
+
+        public void writeProperties(PacketWrapper<?> wrapper, List<Object> properties) {
+            if (this.writer != null) {
+                this.writer.accept(wrapper, properties);
+            }
+        }
+    }
+}
@@ -0,0 +1,41 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2022 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import com.github.retrooper.packetevents.protocol.player.PublicProfileKey;
+
+import java.util.UUID;
+
+public class RemoteChatSession {
+    private final UUID sessionId;
+    private final PublicProfileKey publicProfileKey;
+
+    public RemoteChatSession(UUID sessionId, PublicProfileKey publicProfileKey) {
+        this.sessionId = sessionId;
+        this.publicProfileKey = publicProfileKey;
+    }
+
+    public UUID getSessionId() {
+        return sessionId;
+    }
+
+    public PublicProfileKey getPublicProfileKey() {
+        return publicProfileKey;
+    }
+}
@@ -0,0 +1,27 @@
+package com.github.retrooper.packetevents.protocol.chat;
+
+public class SignedCommandArgument {
+    private String argument;
+    private MessageSignature signature;
+
+    public SignedCommandArgument(String argument, MessageSignature signature) {
+        this.argument = argument;
+        this.signature = signature;
+    }
+
+    public String getArgument() {
+        return argument;
+    }
+
+    public void setArgument(String argument) {
+        this.argument = argument;
+    }
+
+    public MessageSignature getSignature() {
+        return signature;
+    }
+
+    public void setSignature(MessageSignature signature) {
+        this.signature = signature;
+    }
+}
@@ -0,0 +1,124 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2024 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat;
+
+import com.github.retrooper.packetevents.protocol.mapper.AbstractMappedEntity;
+import com.github.retrooper.packetevents.util.mappings.TypesBuilderData;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.UnknownNullability;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+import java.util.Objects;
+
+@NullMarked
+public class StaticChatType extends AbstractMappedEntity implements ChatType {
+
+    private final @UnknownNullability("only nullable for 1.19") ChatTypeDecoration chatDecoration;
+    private final @Nullable ChatTypeDecoration overlayDecoration;
+    private final @UnknownNullability("only nullable for 1.19") ChatTypeDecoration narrationDecoration;
+    private final @Nullable NarrationPriority narrationPriority;
+
+    public StaticChatType(
+            ChatTypeDecoration chatDecoration,
+            ChatTypeDecoration narrationDecoration
+    ) {
+        this(null, chatDecoration, null, narrationDecoration, null);
+    }
+
+    @ApiStatus.Internal
+    public StaticChatType(
+            @Nullable TypesBuilderData data,
+            ChatTypeDecoration chatDecoration,
+            ChatTypeDecoration narrationDecoration
+    ) {
+        this(data, chatDecoration, null, narrationDecoration, null);
+    }
+
+    public StaticChatType(
+            @UnknownNullability("only nullable for 1.19") ChatTypeDecoration chatDecoration,
+            @Nullable ChatTypeDecoration overlayDecoration,
+            @UnknownNullability("only nullable for 1.19") ChatTypeDecoration narrationDecoration,
+            @Nullable NarrationPriority narrationPriority
+    ) {
+        this(null, chatDecoration, overlayDecoration, narrationDecoration, narrationPriority);
+    }
+
+    @ApiStatus.Internal
+    public StaticChatType(
+            @Nullable TypesBuilderData data,
+            @Nullable ChatTypeDecoration chatDecoration,
+            @Nullable ChatTypeDecoration overlayDecoration,
+            @Nullable ChatTypeDecoration narrationDecoration,
+            @Nullable NarrationPriority narrationPriority
+    ) {
+        super(data);
+        this.chatDecoration = chatDecoration;
+        this.overlayDecoration = overlayDecoration;
+        this.narrationDecoration = narrationDecoration;
+        this.narrationPriority = narrationPriority;
+    }
+
+    @Override
+    public ChatType copy(@Nullable TypesBuilderData newData) {
+        return new StaticChatType(newData, this.chatDecoration,
+                this.overlayDecoration, this.narrationDecoration, this.narrationPriority);
+    }
+
+    @Override
+    public @UnknownNullability("only nullable for 1.19") ChatTypeDecoration getChatDecoration() {
+        return this.chatDecoration;
+    }
+
+    @Override
+    public @Nullable ChatTypeDecoration getOverlayDecoration() {
+        return this.overlayDecoration;
+    }
+
+    @Override
+    public @UnknownNullability("only nullable for 1.19") ChatTypeDecoration getNarrationDecoration() {
+        return this.narrationDecoration;
+    }
+
+    @Override
+    public @Nullable NarrationPriority getNarrationPriority() {
+        return this.narrationPriority;
+    }
+
+    @Override
+    public boolean deepEquals(@Nullable Object obj) {
+        if (this == obj) return true;
+        if (!(obj instanceof StaticChatType)) return false;
+        StaticChatType that = (StaticChatType) obj;
+        if (!Objects.equals(this.chatDecoration, that.chatDecoration)) return false;
+        if (!Objects.equals(this.overlayDecoration, that.overlayDecoration)) return false;
+        if (!Objects.equals(this.narrationDecoration, that.narrationDecoration)) return false;
+        return this.narrationPriority == that.narrationPriority;
+    }
+
+    @Override
+    public int deepHashCode() {
+        return Objects.hash(this.chatDecoration, this.overlayDecoration, this.narrationDecoration, this.narrationPriority);
+    }
+
+    @Override
+    public String toString() {
+        return "StaticChatType{chatDecoration=" + this.chatDecoration + ", overlayDecoration=" + this.overlayDecoration + ", narrationDecoration=" + this.narrationDecoration + ", narrationPriority=" + this.narrationPriority + '}';
+    }
+}
@@ -0,0 +1,71 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat.clickevent;
+
+import com.github.retrooper.packetevents.manager.server.ServerVersion;
+import com.github.retrooper.packetevents.protocol.nbt.NBTCompound;
+import com.github.retrooper.packetevents.protocol.nbt.NBTInt;
+import com.github.retrooper.packetevents.protocol.nbt.NBTString;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class ChangePageClickEvent implements ClickEvent {
+
+    private final int page;
+
+    @ApiStatus.Obsolete
+    public ChangePageClickEvent(String page) {
+        this(Integer.parseInt(page));
+    }
+
+    public ChangePageClickEvent(int page) {
+        this.page = page;
+    }
+
+    public static ChangePageClickEvent decode(NBTCompound compound, PacketWrapper<?> wrapper) {
+        int page = wrapper.getServerVersion().isNewerThanOrEquals(ServerVersion.V_1_21_5)
+                ? compound.getNumberTagValueOrThrow("page").intValue()
+                : Integer.parseInt(compound.getStringTagValueOrThrow("value"));
+        return new ChangePageClickEvent(page);
+    }
+
+    public static void encode(NBTCompound compound, PacketWrapper<?> wrapper, ChangePageClickEvent clickEvent) {
+        if (wrapper.getServerVersion().isNewerThanOrEquals(ServerVersion.V_1_21_5)) {
+            compound.setTag("page", new NBTInt(clickEvent.page));
+        } else {
+            compound.setTag("value", new NBTString(Integer.toString(clickEvent.page)));
+        }
+    }
+
+    @Override
+    public ClickEventAction<?> getAction() {
+        return ClickEventActions.CHANGE_PAGE;
+    }
+
+    @Override
+    public net.kyori.adventure.text.event.ClickEvent asAdventure() {
+        return net.kyori.adventure.text.event.ClickEvent.changePage(this.page);
+    }
+
+    public int getPage() {
+        return this.page;
+    }
+}
@@ -0,0 +1,76 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat.clickevent;
+
+import com.github.retrooper.packetevents.protocol.dialog.Dialog;
+import com.github.retrooper.packetevents.protocol.nbt.NBTCompound;
+import com.github.retrooper.packetevents.protocol.nbt.NBTEnd;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.util.adventure.NbtTagHolder;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import net.kyori.adventure.text.event.ClickEvent.Payload;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public interface ClickEvent {
+
+    static ClickEvent decode(NBTCompound compound, PacketWrapper<?> wrapper) {
+        String actionName = compound.getStringTagValueOrThrow("action");
+        ClickEventAction<?> action = ClickEventActions.getRegistry().getByNameOrThrow(actionName);
+        return action.decode(compound, wrapper);
+    }
+
+    @SuppressWarnings("unchecked") // not unchecked
+    static void encode(NBTCompound compound, PacketWrapper<?> wrapper, ClickEvent clickEvent) {
+        compound.set("action", clickEvent.getAction().getName(), ResourceLocation::encode, wrapper);
+        ((ClickEventAction<? super ClickEvent>) clickEvent.getAction()).encode(compound, wrapper, clickEvent);
+    }
+
+    ClickEventAction<?> getAction();
+
+    static ClickEvent fromAdventure(net.kyori.adventure.text.event.ClickEvent clickEvent) {
+        switch (clickEvent.action()) {
+            case OPEN_URL:
+                return new OpenUrlClickEvent(clickEvent.value());
+            case OPEN_FILE:
+                return new OpenFileClickEvent(clickEvent.value());
+            case RUN_COMMAND:
+                return new RunCommandClickEvent(clickEvent.value());
+            case SUGGEST_COMMAND:
+                return new SuggestCommandClickEvent(clickEvent.value());
+            case CHANGE_PAGE:
+                return new ChangePageClickEvent(clickEvent.value());
+            case COPY_TO_CLIPBOARD:
+                return new CopyToClipboardClickEvent(clickEvent.value());
+            case SHOW_DIALOG:
+                return new ShowDialogClickEvent((Dialog) ((Payload.Dialog) clickEvent.payload()).dialog());
+            case CUSTOM:
+                Payload.Custom payload = (Payload.Custom) clickEvent.payload();
+                NbtTagHolder nbtTag = (NbtTagHolder) payload.nbt();
+                return new CustomClickEvent(
+                        new ResourceLocation(payload.key()),
+                        nbtTag.getTag() instanceof NBTEnd ? null : nbtTag.getTag()
+                );
+            default:
+                throw new UnsupportedOperationException("Unsupported clickevent: " + clickEvent);
+        }
+    }
+
+    net.kyori.adventure.text.event.ClickEvent asAdventure();
+}
@@ -0,0 +1,34 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat.clickevent;
+
+import com.github.retrooper.packetevents.protocol.mapper.MappedEntity;
+import com.github.retrooper.packetevents.protocol.nbt.NBTCompound;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public interface ClickEventAction<T extends ClickEvent> extends MappedEntity {
+
+    boolean isAllowFromServer();
+
+    T decode(NBTCompound compound, PacketWrapper<?> wrapper);
+
+    void encode(NBTCompound compound, PacketWrapper<?> wrapper, T clickEvent);
+}
@@ -0,0 +1,89 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat.clickevent;
+
+import com.github.retrooper.packetevents.protocol.util.NbtMapDecoder;
+import com.github.retrooper.packetevents.protocol.util.NbtMapEncoder;
+import com.github.retrooper.packetevents.util.mappings.VersionedRegistry;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public final class ClickEventActions {
+
+    private static final VersionedRegistry<ClickEventAction<?>> REGISTRY = new VersionedRegistry<>("click_event_action");
+
+    private ClickEventActions() {
+    }
+
+    @ApiStatus.Internal
+    public static <T extends ClickEvent> ClickEventAction<T> define(
+            String name, boolean allowFromServer,
+            NbtMapDecoder<T> decoder, NbtMapEncoder<T> encoder
+    ) {
+        return REGISTRY.define(name, data -> new StaticClickEventAction<>(
+                data, allowFromServer, decoder, encoder));
+    }
+
+    public static VersionedRegistry<ClickEventAction<?>> getRegistry() {
+        return REGISTRY;
+    }
+
+    public static final ClickEventAction<OpenUrlClickEvent> OPEN_URL = define("open_url", true,
+            OpenUrlClickEvent::decode, OpenUrlClickEvent::encode);
+    public static final ClickEventAction<OpenFileClickEvent> OPEN_FILE = define("open_file", false,
+            OpenFileClickEvent::decode, OpenFileClickEvent::encode);
+    public static final ClickEventAction<RunCommandClickEvent> RUN_COMMAND = define("run_command", true,
+            RunCommandClickEvent::decode, RunCommandClickEvent::encode);
+    /**
+     * Removed in 1.9
+     */
+    @ApiStatus.Obsolete
+    public static final ClickEventAction<TwitchUserInfoClickEvent> TWITCH_USER_INFO = define("twitch_user_info", false,
+            TwitchUserInfoClickEvent::decode, TwitchUserInfoClickEvent::encode);
+    public static final ClickEventAction<SuggestCommandClickEvent> SUGGEST_COMMAND = define("suggest_command", true,
+            SuggestCommandClickEvent::decode, SuggestCommandClickEvent::encode);
+
+    /**
+     * Added with 1.8
+     */
+    public static final ClickEventAction<ChangePageClickEvent> CHANGE_PAGE = define("change_page", true,
+            ChangePageClickEvent::decode, ChangePageClickEvent::encode);
+
+    /**
+     * Added with 1.15
+     */
+    public static final ClickEventAction<CopyToClipboardClickEvent> COPY_TO_CLIPBOARD = define("copy_to_clipboard", true,
+            CopyToClipboardClickEvent::decode, CopyToClipboardClickEvent::encode);
+
+    /**
+     * Added with 1.21.6
+     */
+    public static final ClickEventAction<ShowDialogClickEvent> SHOW_DIALOG = define("show_dialog", true,
+            ShowDialogClickEvent::decode, ShowDialogClickEvent::encode);
+    /**
+     * Added with 1.21.6
+     */
+    public static final ClickEventAction<CustomClickEvent> CUSTOM = define("custom", true,
+            CustomClickEvent::decode, CustomClickEvent::encode);
+
+    static {
+        REGISTRY.unloadMappings();
+    }
+}
@@ -0,0 +1,57 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat.clickevent;
+
+import com.github.retrooper.packetevents.protocol.nbt.NBTCompound;
+import com.github.retrooper.packetevents.protocol.nbt.NBTString;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public class CopyToClipboardClickEvent implements ClickEvent {
+
+    private final String value;
+
+    public CopyToClipboardClickEvent(String value) {
+        this.value = value;
+    }
+
+    public static CopyToClipboardClickEvent decode(NBTCompound compound, PacketWrapper<?> wrapper) {
+        String value = compound.getStringTagValueOrThrow("value");
+        return new CopyToClipboardClickEvent(value);
+    }
+
+    public static void encode(NBTCompound compound, PacketWrapper<?> wrapper, CopyToClipboardClickEvent clickEvent) {
+        compound.setTag("value", new NBTString(clickEvent.value));
+    }
+
+    @Override
+    public ClickEventAction<?> getAction() {
+        return ClickEventActions.COPY_TO_CLIPBOARD;
+    }
+
+    @Override
+    public net.kyori.adventure.text.event.ClickEvent asAdventure() {
+        return net.kyori.adventure.text.event.ClickEvent.copyToClipboard(this.value);
+    }
+
+    public String getValue() {
+        return this.value;
+    }
+}
@@ -0,0 +1,72 @@
+/*
+ * This file is part of packetevents - https://github.com/retrooper/packetevents
+ * Copyright (C) 2025 retrooper and 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.github.retrooper.packetevents.protocol.chat.clickevent;
+
+import com.github.retrooper.packetevents.protocol.nbt.NBT;
+import com.github.retrooper.packetevents.protocol.nbt.NBTCompound;
+import com.github.retrooper.packetevents.protocol.nbt.NBTEnd;
+import com.github.retrooper.packetevents.resources.ResourceLocation;
+import com.github.retrooper.packetevents.util.adventure.NbtTagHolder;
+import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+@NullMarked
+public class CustomClickEvent implements ClickEvent {
+
+    private final ResourceLocation id;
+    private final @Nullable NBT payload;
+
+    public CustomClickEvent(ResourceLocation id, @Nullable NBT payload) {
+        this.id = id;
+        this.payload = payload;
+    }
+
+    public static CustomClickEvent decode(NBTCompound compound, PacketWrapper<?> wrapper) {
+        ResourceLocation id = compound.getOrThrow("id", ResourceLocation::decode, wrapper);
+        NBT payload = compound.getTagOrNull("payload");
+        return new CustomClickEvent(id, payload);
+    }
+
+    public static void encode(NBTCompound compound, PacketWrapper<?> wrapper, CustomClickEvent clickEvent) {
+        compound.set("id", clickEvent.id, ResourceLocation::encode, wrapper);
+        if (clickEvent.payload != null) {
+            compound.setTag("payload", clickEvent.payload);
+        }
+    }
+
+    @Override
+    public ClickEventAction<?> getAction() {
+        return ClickEventActions.CUSTOM;
+    }
+
+    @Override
+    public net.kyori.adventure.text.event.ClickEvent asAdventure() {
+        return net.kyori.adventure.text.event.ClickEvent.custom(
+                this.id.key(), new NbtTagHolder(this.payload != null ? this.payload : NBTEnd.INSTANCE));
+    }
+
+    public ResourceLocation getId() {
+        return this.id;
+    }
+
+    public @Nullable NBT getPayload() {
+        return this.payload;
+    }
+}
				`@@ -0,0 +1 @@`
				`.gitea/CODEOWNERS linguist-detectable=false`