Add /god command

src/main/java/cc/reconnected/server/RccServer.java

@@ -85,6 +85,8 @@ public class RccServer implements ModInitializer {
         CommandRegistrationCallback.EVENT.register(TellCommand::register);
         CommandRegistrationCallback.EVENT.register(ReplyCommand::register);
             FlyCommand.register(dispatcher, registryAccess, environment);
+            GodCommand.register(dispatcher, registryAccess, environment);
+        });
 
         ServerLifecycleEvents.SERVER_STARTED.register(server -> {
             luckPerms = LuckPermsProvider.get();

src/main/java/cc/reconnected/server/commands/GodCommand.java

@@ -0,0 +1,75 @@
+package cc.reconnected.server.commands;
+
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.arguments.StringArgumentType;
+import me.lucko.fabric.api.permissions.v0.Permissions;
+import net.minecraft.command.CommandRegistryAccess;
+import net.minecraft.command.CommandSource;
+import net.minecraft.server.command.CommandManager;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.text.Style;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+
+import static net.minecraft.server.command.CommandManager.argument;
+import static net.minecraft.server.command.CommandManager.literal;
+
+public class GodCommand {
+    public static void register(CommandDispatcher<ServerCommandSource> dispatcher, CommandRegistryAccess registryAccess, CommandManager.RegistrationEnvironment environment) {
+        var rootCommand = literal("god")
+                .requires(Permissions.require("rcc.command.god", 3))
+                .executes(context -> {
+                    if (!context.getSource().isExecutedByPlayer()) {
+                        context.getSource().sendFeedback(() -> Text.of("This command can only be executed by players!"), false);
+                        return 1;
+                    }
+                    var player = context.getSource().getPlayer();
+                    context.getSource().sendFeedback(() -> toggleGod(player), true);
+
+                    return 1;
+                })
+                .then(argument("player", StringArgumentType.word())
+                        .suggests((context, builder) -> {
+                            var playerManager = context.getSource().getServer().getPlayerManager();
+                            return CommandSource.suggestMatching(
+                                    playerManager.getPlayerNames(),
+                                    builder);
+                        })
+                        .executes(context -> {
+                            var playerName = StringArgumentType.getString(context, "player");
+                            var player = context.getSource().getServer().getPlayerManager().getPlayer(playerName);
+                            if(player == null) {
+                                context.getSource().sendFeedback(() -> Text.literal("Player not found").setStyle(Style.EMPTY.withColor(Formatting.RED)), false);
+                                return 1;
+                            }
+
+                            context.getSource().sendFeedback(() -> toggleGod(player), true);
+
+                            return 1;
+                        }));
+
+        dispatcher.register(rootCommand);
+    }
+
+    private static Text toggleGod(ServerPlayerEntity player) {
+        var abilities = player.getAbilities();
+
+        abilities.invulnerable = !abilities.invulnerable;
+        //player.setInvulnerable(!player.isInvulnerable());
+        player.sendAbilitiesUpdate();
+
+        return Text.literal(
+                        abilities.invulnerable ?
+                                "God mode enabled" :
+                                "God mode disabled"
+                )
+                .append(" for ")
+                .append(player.getDisplayName())
+                .setStyle(Style.EMPTY.withColor(
+                        abilities.invulnerable ?
+                                Formatting.GREEN :
+                                Formatting.RED
+                ));
+    }
+}