AFK command

credit goes to isnortkoolaid

src/main/java/land/chipmunk/tgbextras/Extras.java

@@ -22,6 +22,7 @@ public class Extras implements ModInitializer {
   }
 
   public static void registerCommands (CommandDispatcher<ServerCommandSource> dispatcher, CommandRegistryAccess commandRegistryAccess, CommandManager.RegistrationEnvironment environment) {
+    AFKCommand.register(dispatcher);
     ClearChatCommand.register(dispatcher);
     PingCommand.register(dispatcher);
     SpawnCoordinatesCommand.register(dispatcher);

src/main/java/land/chipmunk/tgbextras/commands/AFKCommand.java

@@ -0,0 +1,54 @@
+package land.chipmunk.tgbextras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import static net.minecraft.server.command.CommandManager.literal;
+import land.chipmunk.tgbextras.modules.PlayerExtensions;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffects;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.text.Text;
+
+public class AFKCommand {
+  public static void register (CommandDispatcher<ServerCommandSource> dispatcher) {
+    dispatcher.register(
+      literal("afk")
+        .executes(AFKCommand::AFKCommand)
+    );
+  }
+
+  public static int AFKCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerCommandSource source = context.getSource();
+    final ServerPlayerEntity player = source.getPlayerOrThrow();
+    PlayerExtensions playerEx = (PlayerExtensions) player;
+
+    playerEx.afk(!playerEx.afk());
+
+    if (playerEx.afk()) {
+      player.addStatusEffect(new StatusEffectInstance(StatusEffects.RESISTANCE, 2147483647, 4, true, false));
+      player.addStatusEffect(new StatusEffectInstance(StatusEffects.BLINDNESS, 2147483647, 99, true, false));
+      player.addStatusEffect(new StatusEffectInstance(StatusEffects.SLOWNESS, 2147483647, 99, true, false));
+      player.addStatusEffect(new StatusEffectInstance(StatusEffects.WEAKNESS, 2147483647, 99, true, false));
+      player.addStatusEffect(new StatusEffectInstance(StatusEffects.MINING_FATIGUE, 2147483647, 99, true, false));
+
+      source.getServer().getPlayerManager().broadcast(
+        Text.literal("* ")
+          .append(player.getDisplayName())
+          .append(Text.literal(" is now afk"))
+      , false);
+    } else {
+      player.clearStatusEffects();
+
+      source.getServer().getPlayerManager().broadcast(
+        Text.literal("* ")
+          .append(player.getDisplayName())
+          .append(Text.literal(" is no longer afk"))
+      , false);
+    }
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/tgbextras/mixin/ServerPlayerEntityMixin.java

@@ -12,6 +12,7 @@ import land.chipmunk.tgbextras.modules.PlayerExtensions;
 @Mixin(ServerPlayerEntity.class)
 public abstract class ServerPlayerEntityMixin implements PlayerExtensions {
   private ServerPlayerEntity lastTeleportRequestor = null;
+  private boolean afk = false;
 
   public ServerPlayerEntity lastTeleportRequestor () {
     return lastTeleportRequestor;
@@ -20,4 +21,12 @@ public abstract class ServerPlayerEntityMixin implements PlayerExtensions {
   public ServerPlayerEntity lastTeleportRequestor (ServerPlayerEntity lastTeleportRequestor) {
     return (this.lastTeleportRequestor = lastTeleportRequestor);
   }
+
+  public boolean afk () {
+    return afk;
+  }
+
+  public boolean afk (boolean afk) {
+    return (this.afk = afk);
+  }
 }

src/main/java/land/chipmunk/tgbextras/modules/PlayerExtensions.java

@@ -5,4 +5,6 @@ import net.minecraft.server.network.ServerPlayerEntity;
 public interface PlayerExtensions {
   ServerPlayerEntity lastTeleportRequestor ();
   ServerPlayerEntity lastTeleportRequestor (ServerPlayerEntity lastTeleportRequestor);
+  boolean afk ();
+  boolean afk (boolean afk);
 }