Add Broadcast plugin source

.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

build.gradle.kts

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+import org.jetbrains.gradle.ext.settings
+import org.jetbrains.gradle.ext.taskTriggers
+
+plugins {
+    kotlin("jvm") version "2.0.20-Beta1"
+    // kotlin("kapt") version "2.0.20-Beta1"
+    kotlin("plugin.serialization") version "2.0.20-Beta1"
+
+    id("com.github.johnrengelman.shadow") version "8.1.1"
+    id("eclipse")
+    id("org.jetbrains.gradle.plugin.idea-ext") version "1.1.8"
+}
+
+group = "cn.disy920"
+version = "1.0.0"
+
+repositories {
+    mavenCentral()
+    maven("https://repo.papermc.io/repository/maven-public/") {
+        name = "papermc-repo"
+    }
+    maven("https://oss.sonatype.org/content/groups/public/") {
+        name = "sonatype"
+    }
+}
+
+dependencies {
+    compileOnly("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+    compileOnly("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+
+    compileOnly("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+    compileOnly("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.0")
+}
+
+val targetJavaVersion = 17
+kotlin {
+    jvmToolchain(targetJavaVersion)
+}
+
+val templateSource = file("src/main/templates")
+val templateDest = layout.buildDirectory.dir("generated/sources/templates")
+val generateTemplates = tasks.register<Copy>("generateTemplates") {
+    val props = mapOf("version" to project.version)
+    inputs.properties(props)
+
+    from(templateSource)
+    into(templateDest)
+    expand(props)
+}
+
+sourceSets.main.configure { 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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+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip

settings.gradle.kts

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+rootProject.name = "Broadcast"

src/main/kotlin/cn/disy920/broadcast/Main.kt

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+package cn.disy920.broadcast;
+
+import cn.disy920.broadcast.config.ConfigLoader
+import com.google.inject.Inject
+import com.velocitypowered.api.event.Subscribe
+import com.velocitypowered.api.event.player.PlayerChatEvent
+import com.velocitypowered.api.event.proxy.ProxyInitializeEvent
+import com.velocitypowered.api.plugin.Plugin
+import com.velocitypowered.api.plugin.annotation.DataDirectory
+import com.velocitypowered.api.proxy.ProxyServer
+import net.kyori.adventure.text.Component
+import org.slf4j.Logger
+import java.nio.file.Path
+import kotlin.jvm.optionals.getOrNull
+
+@Plugin(
+    id = "broadcast",
+    name = "Broadcast",
+    version = BuildConstants.VERSION,
+    url = "www.starlight.cool",
+    authors = ["Disy920"]
+)
+class Main @Inject constructor(
+    private val proxyServer: ProxyServer,
+    private val logger: Logger,
+    @DataDirectory private val dataDirectory: Path
+) {
+
+    private val configLoader = ConfigLoader(dataDirectory)
+
+    private val config
+        get() = configLoader.load()
+
+    @Subscribe
+    fun onProxyInitialization(event: ProxyInitializeEvent) {
+        logger.info("跨服聊天插件 v${BuildConstants.VERSION} 已加载，作者Disy920")
+    }
+
+    @Subscribe
+    fun onPlayerChat(event: PlayerChatEvent) {
+        if (!config.enable) return
+
+        val player = event.player
+        val message = event.message
+
+        val serverName = player.currentServer?.getOrNull()?.serverInfo?.name ?: return
+        if (config.bannedServer.contains(serverName)) return
+
+        val displayServerName = config.prefixMap.getOrDefault(serverName, serverName)
+
+        logger.info("[$displayServerName] <${player.username}> $message")
+
+        for (subServer in proxyServer.allServers) {
+            if (subServer?.serverInfo?.name == serverName) continue
+
+            subServer.sendMessage(Component.text("[$displayServerName] <${player.username}> $message").color(config.broadcastColor))
+        }
+    }
+}

src/main/kotlin/cn/disy920/broadcast/config/Config.kt

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+package cn.disy920.broadcast.config
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import net.kyori.adventure.text.format.NamedTextColor
+import net.kyori.adventure.text.format.TextColor
+
+@Serializable
+@JvmRecord
+data class Config(
+    val enable: Boolean = false,
+    val prefixMap: Map<String, String> = emptyMap(),  // 名字的映射，可以把默认的服务器名转化成一个自定义名称
+    val bannedServer: Set<String> = emptySet(),  // 不接收跨服聊天的服务器
+    @Serializable(with = ColorSerializer::class)
+    val broadcastColor: TextColor = NamedTextColor.GRAY,  // 跨服聊天消息的颜色
+)
+
+private object ColorSerializer : KSerializer<TextColor> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("TextColor", PrimitiveKind.INT)
+
+    override fun deserialize(decoder: Decoder): TextColor {
+        return TextColor.color(decoder.decodeInt())
+    }
+
+    override fun serialize(encoder: Encoder, value: TextColor) {
+        encoder.encodeInt(value.value())
+    }
+}

src/main/kotlin/cn/disy920/broadcast/config/ConfigLoader.kt

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+package cn.disy920.broadcast.config
+
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
+import java.nio.file.Path
+
+class ConfigLoader(rootDir: Path) {
+    private val configFile = rootDir.resolve("config.json").toFile()
+
+    private val json = Json {
+        prettyPrint = true
+        ignoreUnknownKeys = true
+        encodeDefaults = true
+    }
+
+    private lateinit var _config: Config
+
+    val config: Config
+        get() = load()
+
+    fun load(): Config {
+        if (!::_config.isInitialized) reload()
+        return _config
+    }
+
+    fun save(config: Config) {
+        configFile.writeText(json.encodeToString(config))
+    }
+
+    fun reload() {
+        if (!configFile.isFile) {
+            configFile.createNewFile()
+
+            _config = Config()
+            configFile.writeText(json.encodeToString(_config))
+        }
+        else {
+            _config = json.decodeFromString(configFile.readText())
+        }
+    }
+}

src/main/templates/cn/disy920/broadcast/BuildConstants.java

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+package cn.disy920.broadcast;
+
+// The constants are replaced before compilation
+public class BuildConstants {
+
+    public static final String VERSION = "${version}";
+}