Initial commit

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

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+# User-specific stuff
+.idea/
+
+*.iml
+*.ipr
+*.iws
+
+# IntelliJ
+out/
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Cache of project
+.gradletasknamecache
+
+**/build/
+
+# Common working directory
+run/
+runs/
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar

LICENSE.txt

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+MIT License
+
+Copyright (c) 2025 Lncvrt
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Velocity Clear Chat
+
+An extremely simple and lightweight plugin, designed to clear chat on the proxy side.
+
+You are also able to clear on server swap, which may be useful to some users. Read the configuration for more info. Default configuration can be found here:
+
+```hocon
+# If velocity returns invalid information, this message will be displayed.
+chat-clear-failed-message="<red>Failed to get server info</red>"
+# The message to send when the chat is cleared by an admin.
+# You can use <player> if you would like to display who cleared the chat.
+chat-cleared-message="<green>Chat has been cleared by an admin</green>"
+# On player swap, should we clear the chat history?
+clear-on-server-swap=true
+# The message to display if "clear-on-server-swap" is enabled, set to "" to disable it.
+clear-on-server-swap-message=""
+# The permission an admin needs to clear the chat.
+clear-permission="lncvrt.velocityclearchat.clear"
+# The number of lines the chat clearer will send.
+lines=100
+```

bin/default/velocity-plugin.json

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+{"id":"velocityclearchat","name":"VelocityClearChat","version":"1.0.0","authors":["Lncvrt"],"dependencies":[],"main":"xyz.lncvrt.velocityClearChat.VelocityClearChat"}

build.gradle

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+plugins {
+    id 'java'
+    id 'eclipse'
+    id 'org.jetbrains.gradle.plugin.idea-ext' version '1.1.8'
+}
+
+group = 'xyz.lncvrt'
+version = '1.0.0'
+
+repositories {
+    mavenCentral()
+    maven {
+        name = "papermc-repo"
+        url = "https://repo.papermc.io/repository/maven-public/"
+    }
+    maven {
+        name = "sonatype"
+        url = "https://oss.sonatype.org/content/groups/public/"
+    }
+}
+
+dependencies {
+    compileOnly("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+    annotationProcessor("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+    implementation("org.spongepowered:configurate-hocon:4.2.0")
+}
+
+def targetJavaVersion = 17
+java {
+    toolchain.languageVersion = JavaLanguageVersion.of(targetJavaVersion)
+}
+
+tasks.withType(JavaCompile).configureEach {
+    options.encoding = 'UTF-8'
+    options.release.set(targetJavaVersion)
+}
+
+def templateSource = file('src/main/templates')
+def templateDest = layout.buildDirectory.dir('generated/sources/templates')
+def generateTemplates = tasks.register('generateTemplates', Copy) { task ->
+    def props = ['version': project.version]
+    task.inputs.properties props
+
+    task.from templateSource
+    task.into templateDest
+    task.expand props
+}
+
+sourceSets.main.java.srcDir(generateTemplates.map { it.outputs })
+
+project.idea.project.settings.taskTriggers.afterSync generateTemplates
+project.eclipse.synchronizationTasks(generateTemplates)

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"

gradlew.bat

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+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'VelocityClearChat'

src/main/java/xyz/lncvrt/velocityClearChat/ConfigManager.java

@@ -0,0 +1,84 @@
+package xyz.lncvrt.velocityClearChat;
+
+import com.google.inject.Inject;
+import com.velocitypowered.api.plugin.annotation.DataDirectory;
+import org.spongepowered.configurate.CommentedConfigurationNode;
+import org.spongepowered.configurate.hocon.HoconConfigurationLoader;
+import org.spongepowered.configurate.loader.ConfigurationLoader;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class ConfigManager {
+    private final Path configPath;
+    private ConfigurationLoader<CommentedConfigurationNode> loader;
+    private CommentedConfigurationNode root;
+
+    @Inject
+    public ConfigManager(@DataDirectory Path dataDirectory) {
+        this.configPath = dataDirectory.resolve("config.conf");
+        this.loader = HoconConfigurationLoader.builder().path(configPath).build();
+        loadConfig();
+    }
+
+    private void loadConfig() {
+        try {
+            if (Files.notExists(configPath)) {
+                saveDefaultConfig();
+            }
+            root = loader.load();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void saveDefaultConfig() throws IOException {
+        Files.createDirectories(configPath.getParent());
+
+        root = loader.load();
+        root.node("lines")
+                .set(100)
+                .comment("The number of lines the chat clearer will send.");
+        root.node("chat-cleared-message")
+                .set("<green>Chat has been cleared by an admin</green>")
+                .comment("The message to send when the chat is cleared by an admin.\nYou can use <player> if you would like to display who cleared the chat.");
+        root.node("chat-clear-failed-message")
+                .set("<red>Failed to get server info</red>")
+                .comment("If velocity returns invalid information, this message will be displayed.");
+        root.node("clear-permission")
+                .set("lncvrt.velocityclearchat.clear")
+                .comment("The permission an admin needs to clear the chat.");
+        root.node("clear-on-server-swap")
+                .set(true)
+                .comment("On player swap, should we clear the chat history?");
+        root.node("clear-on-server-swap-message")
+                .set("")
+                .comment("The message to display if \"clear-on-server-swap\" is enabled, set to \"\" to disable it.");
+        loader.save(root);
+    }
+
+    public int getLines() {
+        return root.node("lines").getInt(1000);
+    }
+
+    public String getClearedMessage() {
+        return root.node("chat-cleared-message").getString("<green>Chat has been cleared by an admin</green>");
+    }
+
+    public String getClearFailed() {
+        return root.node("chat-clear-failed-message").getString("<red>Failed to get server info</red>");
+    }
+
+    public String getClearPermission() {
+        return root.node("clear-permission").getString("lncvrt.velocityclearchat.clear");
+    }
+
+    public Boolean getClearOnSwap() {
+        return root.node("clear-on-server-swap").getBoolean(false);
+    }
+
+    public String getClearOnSwapMessage() {
+        return root.node("clear-on-server-swap-message").getString("\"\"");
+    }
+}

src/main/java/xyz/lncvrt/velocityClearChat/VelocityClearChat.java

@@ -0,0 +1,57 @@
+package xyz.lncvrt.velocityClearChat;
+
+import com.google.inject.Inject;
+import com.velocitypowered.api.command.CommandManager;
+import com.velocitypowered.api.command.CommandMeta;
+import com.velocitypowered.api.command.SimpleCommand;
+import com.velocitypowered.api.event.player.ServerConnectedEvent;
+import com.velocitypowered.api.event.proxy.ProxyInitializeEvent;
+import com.velocitypowered.api.event.Subscribe;
+import com.velocitypowered.api.plugin.Plugin;
+import com.velocitypowered.api.plugin.annotation.DataDirectory;
+import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.ProxyServer;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.slf4j.Logger;
+import xyz.lncvrt.velocityClearChat.commands.ClearChat;
+
+import java.nio.file.Path;
+
+@Plugin(id = "velocityclearchat", name = "VelocityClearChat", authors = {"Lncvrt"}, version = BuildConstants.VERSION)
+public class VelocityClearChat {
+    private final Logger logger;
+    private final ProxyServer proxyServer;
+    public ConfigManager configManager;
+    public final MiniMessage miniMessage = MiniMessage.miniMessage();
+
+    @Inject
+    public VelocityClearChat(Logger logger, ProxyServer proxyServer, @DataDirectory Path dataDirectory) {
+        this.logger = logger;
+        this.proxyServer = proxyServer;
+        this.configManager = new ConfigManager(dataDirectory);
+    }
+
+    @Subscribe
+    public void onProxyInitialize(ProxyInitializeEvent event) {
+        CommandManager commandManager = proxyServer.getCommandManager();
+        CommandMeta commandMeta = commandManager.metaBuilder("clearchat")
+                .aliases("cc")
+                .plugin(this)
+                .build();
+
+        SimpleCommand commandToRegister = new ClearChat(this);
+
+        commandManager.register(commandMeta, commandToRegister);
+    }
+
+    @Subscribe
+    public void onPlayerSwitchServer(ServerConnectedEvent event) {
+        if (configManager.getClearOnSwap()) {
+            Player player = event.getPlayer();
+            for (int i = 0; i < configManager.getLines(); i++) player.sendMessage(miniMessage.deserialize(" ".repeat((i % 10) + 1)));
+            if (!configManager.getClearOnSwapMessage().isEmpty()) {
+                player.sendMessage(miniMessage.deserialize(configManager.getClearOnSwapMessage()));
+            }
+        }
+    }
+}

src/main/java/xyz/lncvrt/velocityClearChat/commands/ClearChat.java

@@ -0,0 +1,63 @@
+package xyz.lncvrt.velocityClearChat.commands;
+
+import com.velocitypowered.api.command.CommandSource;
+import com.velocitypowered.api.command.SimpleCommand;
+import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.ServerConnection;
+import com.velocitypowered.api.proxy.server.RegisteredServer;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import xyz.lncvrt.velocityClearChat.ConfigManager;
+import xyz.lncvrt.velocityClearChat.VelocityClearChat;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+public class ClearChat implements SimpleCommand {
+    private final MiniMessage miniMessage;
+    private final ConfigManager configManager;
+
+    public ClearChat(VelocityClearChat plugin) {
+        miniMessage = plugin.miniMessage;
+        configManager = plugin.configManager;
+    }
+
+    @Override
+    public void execute(final Invocation invocation) {
+        CommandSource source = invocation.source();
+
+        if (source instanceof Player player) {
+            //no idea how to make this not so shitty
+            ServerConnection server = player.getCurrentServer().orElse(null);
+            if (server == null) {
+                player.sendMessage(miniMessage.deserialize(configManager.getClearFailed()));
+                return;
+            }
+            RegisteredServer registeredServer = server.getServer();
+            if (registeredServer == null) {
+                player.sendMessage(miniMessage.deserialize(configManager.getClearFailed()));
+                return;
+            }
+            Collection<Player> players = registeredServer.getPlayersConnected();
+            for (Player targetPlayer : players) {
+                for (int i = 0; i < configManager.getLines(); i++) targetPlayer.sendMessage(miniMessage.deserialize(" ".repeat((i % 10) + 1)));
+                targetPlayer.sendMessage(miniMessage.deserialize(configManager.getClearedMessage().replace("<player>", player.getUsername())));
+            }
+        }
+    }
+
+    @Override
+    public boolean hasPermission(final Invocation invocation) {
+        return invocation.source().hasPermission(configManager.getClearPermission());
+    }
+
+    @Override
+    public List<String> suggest(final Invocation invocation) {
+        return List.of();
+    }
+
+    @Override
+    public CompletableFuture<List<String>> suggestAsync(final Invocation invocation) {
+        return CompletableFuture.completedFuture(List.of());
+    }
+}

src/main/templates/xyz/lncvrt/velocityClearChat/BuildConstants.java

@@ -0,0 +1,7 @@
+package xyz.lncvrt.velocityClearChat;
+
+// The constants are replaced before compilation
+public class BuildConstants {
+
+    public static final String VERSION = "${version}";
+}