Add a DiscordRPC.kt feature

build.gradle.kts

@@ -52,8 +52,9 @@ subprojects {
             "$kotlinX:kotlinx-datetime:0.2.1",
             "com.typesafe:config:1.4.1",
             "io.github.config4k:config4k:0.4.2",
-            "org.jetbrains:annotations:20.1.0"
+            "org.jetbrains:annotations:20.1.0",
-        ).forEach { implementation(it); shadowC(it) { isTransitive = false; } }
+            "com.github.Vatuu:discord-rpc:1.6.2"
+        ).forEach { implementation(it); shadowC(it) { isTransitive = false; exclude("com.sun.jna") } }
         "minecraft"("com.mojang:minecraft:${rootProject.property("minecraft")}")
         "mappings"(mappingsDep)
     }
@@ -73,6 +74,7 @@ subprojects {
             relocate("com.typesafe.config", "${rootProject.group}.typesafe.config")
             relocate("io.github.config4k", "${rootProject.group}.config4k")
             relocate("net.arikia.dev.drpc", "${rootProject.group}.drpc")
+            exclude("com/sun/jna/**/*") // The shadowed JNA from discord-rpc isn't needed since it is already available at runtime
             exclude("**/*.kotlin_metadata")
             exclude("**/*.kotlin_builtins")
             exclude("META-INF/maven/**/*")
@@ -99,6 +101,9 @@ subprojects {
             adaptclassstrings()
             "$group.**".also { dontnote(it); dontwarn(it) }
 
+            // Required for discord-rpc
+            keep("class $group.drpc.** { public * ; }")
+
             dontwarn("kotlinx.serialization.**")
 
             doFirst {

common/src/main/kotlin/fr/username404/snowygui/gui/feature/DiscordRPC.kt

@@ -0,0 +1,23 @@
+package fr.username404.snowygui.gui.feature
+
+import net.arikia.dev.drpc.DiscordRichPresence
+import net.minecraft.client.Minecraft
+import fr.username404.snowygui.gui.feature.ButtonInfo.Companion.Type
+import net.arikia.dev.drpc.DiscordEventHandlers
+import net.arikia.dev.drpc.DiscordRPC as discord_rpc
+
+@ButtonInfo(Category.MISC, kind = Type.TOGGLE)
+object DiscordRPC: ButtonImpl() {
+    private val RPCHandlers: DiscordEventHandlers = DiscordEventHandlers.Builder().build()
+    private val RichPresence: DiscordRichPresence.Builder = DiscordRichPresence
+        .Builder("Playing Minecraft ${Minecraft.getInstance().game.version.name} (${Minecraft.getInstance().launchedVersion})")
+        .setBigImage("icon", "SnowyGUI")
+    override fun execAction() {
+        if (toggled) discord_rpc.discordUpdatePresence(RichPresence.build())
+        else discord_rpc.discordClearPresence()
+    }
+    init {
+        Runtime.getRuntime().addShutdownHook(Thread { discord_rpc.discordShutdown() })
+        discord_rpc.discordInitialize("839058922102849538", RPCHandlers, true)
+    }
+}