Commit the current mod (experimental)

build.gradle

@@ -21,7 +21,7 @@ dependencies {
 	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
 
 	// Fabric API. This is technically optional, but you probably want it anyway.
-	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
+	// modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
 
 	// Uncomment the following line to enable the deprecated Fabric API modules. 
 	// These are included in the Fabric API production distribution and allow you to update your mod to the latest modules at a later more convenient time.

gradle.properties

@@ -10,8 +10,8 @@ org.gradle.parallel=true
 
 # Mod Properties
 	mod_version = 1.0.0
-	maven_group = com.example
-	archives_base_name = fabric-example-mod
+	maven_group = land.chipmunk.fabrickaboom
+	archives_base_name = extras
 
 # Dependencies
 	fabric_version=0.75.3+1.19.4

src/main/java/land/chipmunk/kaboomfabric/extras/Extras.java

@@ -0,0 +1,55 @@
+package land.chipmunk.kaboomfabric.extras;
+
+import net.fabricmc.api.ModInitializer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import net.minecraft.util.Formatting;
+import com.mojang.brigadier.CommandDispatcher;
+import land.chipmunk.kaboomfabric.extras.commands.*;
+
+public class Extras implements ModInitializer {
+  public static final Logger LOGGER = LoggerFactory.getLogger("extras");
+  private static final char[] escapeCodes = "0123456789abcdefklmnorx".toCharArray();
+
+  @Override
+  public void onInitialize() {
+  }
+
+  public static void registerCommands (CommandDispatcher dispatcher) {
+    // CommandBroadcastMM.register(dispatcher);
+    // CommandBroadcastVanilla.register(dispatcher);
+    CommandClearChat.register(dispatcher);
+    CommandConsole.register(dispatcher);
+    CommandDestroyEntities.register(dispatcher);
+    CommandEnchantAll.register(dispatcher);
+    // CommandGetJSON.register(dispatcher);
+    CommandJumpscare.register(dispatcher);
+    CommandKaboom.register(dispatcher);
+    CommandPing.register(dispatcher);
+    // CommandPrefix.register(dispatcher);
+    CommandPumpkin.register(dispatcher);
+    CommandServerInfo.register(dispatcher);
+    // CommandSkin.register(dispatcher);
+    CommandSpawn.register(dispatcher);
+    // CommandSpidey.register(dispatcher);
+    // CommandTellraw.register(dispatcher);
+    // CommandUsername.register(dispatcher);
+  }
+
+  public static String parseEscapeSequences (String string) {
+    final StringBuilder sb = new StringBuilder();
+
+    for (int i = 0; i < string.length(); i++) {
+      char character = string.charAt(i);
+      if (character == '&' && string.length() > (i + 1) && validateEscapeCode(string.charAt(i + 1))) sb.append(Formatting.FORMATTING_CODE_PREFIX);
+      else sb.append(character);
+    }
+
+    return sb.toString();
+  }
+
+  public static boolean validateEscapeCode (char c) {
+    for (char candidate : escapeCodes) if (c == candidate) return true;
+    return false;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandClearChat.java

@@ -0,0 +1,36 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+import static net.minecraft.server.command.CommandManager.literal;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+import net.minecraft.text.MutableText;
+import net.minecraft.util.Formatting;
+import net.minecraft.server.network.ServerPlayerEntity;
+
+public interface CommandClearChat {
+  static void register (CommandDispatcher dispatcher) {
+    final LiteralCommandNode node = dispatcher.register(
+      literal("clearchat")
+        .requires(source -> source.hasPermissionLevel(2))
+        .executes(CommandClearChat::clearChatCommand)
+    );
+
+    dispatcher.register(literal("cc").redirect(node));
+  }
+
+  static int clearChatCommand (CommandContext<ServerCommandSource> context) {
+    final MutableText text = Text.literal("");
+    for (int i = 0; i < 100; i++) text.append(Text.literal("\n"));
+    text.append(Text.literal("The chat has been cleared").formatted(Formatting.DARK_GREEN));
+
+    for (ServerPlayerEntity player : context.getSource().getServer().getPlayerManager().getPlayerList()) {
+      player.sendMessage(text);
+    }
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandConsole.java

@@ -0,0 +1,40 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import land.chipmunk.kaboomfabric.extras.Extras;
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import static net.minecraft.server.command.CommandManager.literal;
+import static net.minecraft.server.command.CommandManager.argument;
+import static com.mojang.brigadier.arguments.StringArgumentType.greedyString;
+import static com.mojang.brigadier.arguments.StringArgumentType.getString;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.command.CommandManager;
+import net.minecraft.server.command.ServerCommandSource;
+
+public interface CommandConsole {
+  static void register (CommandDispatcher dispatcher) {
+    dispatcher.register(
+      literal("console")
+        .requires(source -> source.hasPermissionLevel(2))
+        .then(
+          argument("message", greedyString())
+            .executes(CommandConsole::consoleCommand)
+        )
+    );
+  }
+
+  static int consoleCommand (CommandContext<ServerCommandSource> context) {
+    // ? Should I optimize this to manually create a ParseResults object, or just not wrap the say command in the first place?
+    final ServerCommandSource source = context.getSource();
+    final MinecraftServer server = source.getServer();
+    final ServerCommandSource console = server.getCommandSource();
+
+    final String command = "say " + Extras.parseEscapeSequences(getString(context, "message"));
+
+    final CommandManager commandManager = server.getCommandManager();
+    commandManager.execute(commandManager.getDispatcher().parse(command, source), command);
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandDestroyEntities.java

@@ -0,0 +1,56 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+import static net.minecraft.server.command.CommandManager.literal;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.text.Text;
+
+// Currently broken
+public interface CommandDestroyEntities {
+  static void register (CommandDispatcher dispatcher) {
+    final LiteralCommandNode node = dispatcher.register(
+      literal("destroyentities")
+        .requires(source -> source.hasPermissionLevel(2))
+        // .executes(CommandDestroyEntities::destroyEntitiesCommand)
+    );
+
+    dispatcher.register(literal("de").redirect(node));
+  }
+
+  static int destroyEntitiesCommand (CommandContext<ServerCommandSource> context) {
+    final ServerCommandSource source = context.getSource();
+    final MinecraftServer server = source.getServer();
+
+    int entityCount = 0;
+    int worldCount = 0;
+    for (ServerWorld world : server.getWorlds()) {
+      for (Entity entity : world.iterateEntities()) {
+        if (entity instanceof PlayerEntity) continue;
+        try {
+          entity.discard();
+          entityCount++;
+        } catch (Exception ignored) {
+        }
+      }
+      worldCount++;
+    }
+
+    source.sendFeedback(
+      Text.literal("Successfully destroyed ")
+        .append(Text.literal(String.valueOf(entityCount)))
+        .append(Text.literal(" entities in "))
+        .append(Text.literal(String.valueOf(worldCount)))
+        .append(Text.literal(" worlds")),
+    true);
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandEnchantAll.java

@@ -0,0 +1,60 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import static net.minecraft.server.command.CommandManager.literal;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+import net.minecraft.util.Identifier;
+import net.minecraft.registry.Registries;
+import net.minecraft.nbt.NbtList;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.nbt.NbtElement;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.item.ItemStack;
+
+public abstract class CommandEnchantAll {
+  private static final SimpleCommandExceptionType EMPTY_ITEM_EXCEPTION = new SimpleCommandExceptionType(Text.literal("Please hold an item in your hand to enchant it"));
+
+  public static void register (CommandDispatcher dispatcher) {
+    dispatcher.register(
+      literal("enchantall")
+        .requires(source -> source.hasPermissionLevel(2))
+        .executes(CommandEnchantAll::enchantAllCommand)
+    );
+  }
+
+  public static int enchantAllCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerCommandSource source = context.getSource();
+    final ServerPlayerEntity player = source.getPlayerOrThrow();
+    final PlayerInventory inventory = player.getInventory();
+
+    final NbtList enchantments = new NbtList();
+    for (Identifier identifier : Registries.ENCHANTMENT.getIds()) {
+      final NbtCompound enchantment = new NbtCompound();
+      enchantment.putString("id", identifier.toString());
+      enchantment.putShort("lvl", (short) 0xFF);
+      enchantments.add(enchantment);
+    }
+
+    final ItemStack stack = inventory.getStack(inventory.selectedSlot).copy();
+    if (stack.isEmpty()) throw EMPTY_ITEM_EXCEPTION.create();
+
+    NbtCompound nbt = stack.getNbt();
+    if (nbt == null) {
+      nbt = new NbtCompound();
+      stack.setNbt(nbt);
+    }
+    stack.getNbt().put("Enchantments", enchantments);
+    inventory.setStack(inventory.selectedSlot, stack);
+
+    source.sendFeedback(Text.literal("I killed Martin."), false);
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandJumpscare.java

@@ -0,0 +1,68 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+import static net.minecraft.server.command.CommandManager.literal;
+import static net.minecraft.server.command.CommandManager.argument;
+import static net.minecraft.command.argument.EntityArgumentType.players;
+import static net.minecraft.command.argument.EntityArgumentType.getPlayers;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.registry.Registries;
+import net.minecraft.util.Identifier;
+import net.minecraft.particle.ParticleEffect;
+import net.minecraft.sound.SoundEvent;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.text.Text;
+import java.util.Collection;
+
+public interface CommandJumpscare {
+  static void register (CommandDispatcher dispatcher) {
+    final LiteralCommandNode node = dispatcher.register(
+      literal("jumpscare")
+        .requires(source -> source.hasPermissionLevel(2))
+        .then(
+          argument("targets", players())
+            .executes(CommandJumpscare::jumpscareCommand)
+        )
+    );
+
+    dispatcher.register(literal("scare").redirect(node));
+  }
+
+  static int jumpscareCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerCommandSource source = context.getSource();
+    final Collection<ServerPlayerEntity> players = getPlayers(context, "targets");
+    final ParticleEffect particle = (ParticleEffect) Registries.PARTICLE_TYPE.get(new Identifier("minecraft", "elder_guardian"));
+    final SoundEvent soundEvent = Registries.SOUND_EVENT.get(new Identifier("minecraft", "entity.enderman.scream"));
+
+    for (ServerPlayerEntity player : players) {
+      final ServerWorld world = player.getWorld();
+      final Vec3d position = player.getPos();
+      world.<ParticleEffect>spawnParticles(player, particle, false, position.getX(), position.getY(), position.getZ(), 4, 0, 0, 0, 1);
+
+      for (int i = 0; i < 10; i++) player.playSound(soundEvent, SoundCategory.MASTER, 1, 0);
+    }
+
+    if (players.size() == 1) {
+      final ServerPlayerEntity player = (ServerPlayerEntity) players.toArray()[0];
+
+      source.sendFeedback(
+        Text.literal("Successfully created jumpscare for player \"")
+          .append(Text.literal(player.getGameProfile().getName()))
+          .append(Text.literal("\""))
+      , true);
+
+      return Command.SINGLE_SUCCESS;
+    }
+
+    source.sendFeedback(Text.literal("Successfully created jumpscare for multiple players"), true);
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandKaboom.java

@@ -0,0 +1,69 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import static net.minecraft.server.command.CommandManager.literal;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.world.World;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.registry.Registries;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.Identifier;
+import net.minecraft.block.BlockState;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.text.Text;
+import java.util.concurrent.ThreadLocalRandom;
+
+public interface CommandKaboom {
+  static void register (CommandDispatcher dispatcher) {
+    dispatcher.register(
+      literal("kaboom")
+        .requires(source -> source.hasPermissionLevel(2))
+        .executes(CommandKaboom::kaboomCommand)
+    );
+  }
+
+  static int kaboomCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerPlayerEntity player = context.getSource().getPlayerOrThrow();
+    boolean explode = ThreadLocalRandom.current().nextBoolean();
+
+    if (explode) {
+      final Vec3d position = player.getPos();
+      final ServerWorld world = player.getWorld();
+      final int explosionCount = 20;
+      final int power = 8;
+
+      world.createExplosion(player, position.getX(), position.getY(), position.getZ(), power, true, World.ExplosionSourceType.MOB);
+
+
+      final int power2 = 4;
+      final BlockState lava = Registries.BLOCK.get(new Identifier("minecraft", "lava")).getDefaultState();
+
+      for (int i = 0; i < explosionCount; i++) {
+        final double posX = position.getX() + ThreadLocalRandom.current().nextInt(-15, 15);
+        final double posY = position.getY() + ThreadLocalRandom.current().nextInt(-6, 6);
+        final double posZ = position.getZ() + ThreadLocalRandom.current().nextInt(-15, 15);
+
+        world.createExplosion(player, posX, posY, posZ, power2, true, World.ExplosionSourceType.MOB);
+
+        final BlockPos blockPos = new BlockPos((int) posX, (int) posY, (int) posZ);
+        if (!world.canSetBlock(blockPos)) continue;
+        if (world.getBlockState(blockPos).hasBlockEntity()) world.removeBlockEntity(blockPos);
+        world.setBlockState(blockPos, lava);
+      }
+
+      player.sendMessage(Text.literal("Forgive me :c"));
+      return Command.SINGLE_SUCCESS;
+    }
+
+    final PlayerInventory inventory = player.getInventory();
+    inventory.setStack(inventory.selectedSlot, new ItemStack(Registries.ITEM.get(new Identifier("minecraft", "cake"))));
+    player.sendMessage(Text.literal("Have a nice day :)"));
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandPing.java

@@ -0,0 +1,92 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+import static net.minecraft.server.command.CommandManager.literal;
+import static net.minecraft.server.command.CommandManager.argument;
+import static net.minecraft.command.argument.EntityArgumentType.player;
+import static net.minecraft.command.argument.EntityArgumentType.getPlayer;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+import net.minecraft.server.network.ServerPlayerEntity;
+
+public abstract class CommandPing {
+  public static void register (CommandDispatcher dispatcher) {
+    final LiteralCommandNode node = dispatcher.register(
+      literal("ping")
+        .requires(source -> source.hasPermissionLevel(2))
+        .executes(CommandPing::pingCommand)
+          .then(
+            argument("target", player())
+              .executes(CommandPing::targettedPingCommand)
+          )
+    );
+
+    dispatcher.register(literal("delay").redirect(node));
+    dispatcher.register(literal("ms").redirect(node));
+  }
+
+  public static int pingCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerCommandSource source = context.getSource();
+    final ServerPlayerEntity player = source.getPlayerOrThrow();
+    final int ping = player.pingMilliseconds;
+    final Formatting highlighting = getHighlighting(ping);
+
+    source.sendFeedback(
+      Text.literal("Your")
+        .append(Text.literal(" ping is "))
+        .append(Text.literal(String.valueOf(ping)).formatted(highlighting))
+        .append(Text.literal("ms.").formatted(highlighting))
+    , false);
+
+    return Command.SINGLE_SUCCESS;
+  }
+
+  public static int targettedPingCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerCommandSource source = context.getSource();
+    final ServerPlayerEntity target = getPlayer(context, "target");
+    final int ping = target.pingMilliseconds;
+    final Formatting highlighting = getHighlighting(ping);
+
+    source.sendFeedback(
+      Text.literal(target.getGameProfile().getName())
+        .append(Text.literal("'s"))
+        .append(Text.literal(" ping is "))
+        .append(Text.literal(String.valueOf(ping)).formatted(highlighting))
+        .append(Text.literal("ms.").formatted(highlighting))
+    , false);
+
+    return Command.SINGLE_SUCCESS;
+  }
+
+  private static Formatting getHighlighting (int ping) {
+    final int d = (int) Math.floor((float) ping / 100);
+    Formatting highlighting = Formatting.WHITE;
+
+    switch (d) {
+      case 0:
+        highlighting = Formatting.GREEN;
+        break;
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        highlighting = Formatting.YELLOW;
+        break;
+      case 5:
+        highlighting = Formatting.RED;
+        break;
+      default:
+        if (d > 5) {
+          highlighting = Formatting.DARK_RED;
+        }
+        break;
+    }
+
+    return highlighting;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandPumpkin.java

@@ -0,0 +1,60 @@
+package land.chipmunk.kaboomfabric.extras.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 static net.minecraft.server.command.CommandManager.argument;
+import static net.minecraft.command.argument.EntityArgumentType.players;
+import static net.minecraft.command.argument.EntityArgumentType.getPlayers;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.registry.Registries;
+import net.minecraft.util.Identifier;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.text.Text;
+import java.util.Collection;
+
+// Not currently working because I don't understand the player inventory numbers
+public interface CommandPumpkin {
+  static void register (CommandDispatcher dispatcher) {
+    dispatcher.register(
+      literal("pumpkin")
+        .requires(source -> source.hasPermissionLevel(2))
+        .then(
+          argument("targets", players())
+            // .executes(CommandPumpkin::pumpkinCommand)
+        )
+    );
+  }
+
+  static int pumpkinCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerCommandSource source = context.getSource();
+    final Collection<ServerPlayerEntity> players = getPlayers(context, "targets");
+    final Item pumpkin = Registries.ITEM.get(new Identifier("minecraft", "pumpkin"));
+
+    for (ServerPlayerEntity player : players) {
+      final PlayerInventory inventory = player.getInventory();
+      inventory.setStack(PlayerInventory.ARMOR_SLOTS[3], new ItemStack(pumpkin));
+    }
+
+    if (players.size() == 1) {
+      final ServerPlayerEntity player = (ServerPlayerEntity) players.toArray()[0];
+
+      source.sendFeedback(
+        Text.literal("Player \"")
+          .append(Text.literal(player.getGameProfile().getName()))
+          .append(Text.literal("\" is now a pumpkin"))
+      , true);
+
+      return Command.SINGLE_SUCCESS;
+    }
+
+    source.sendFeedback(Text.literal("Multiple players are now pumpkins"), true);
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandServerInfo.java

@@ -0,0 +1,96 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import static net.minecraft.server.command.CommandManager.literal;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+import net.minecraft.text.MutableText;
+import net.minecraft.util.Formatting;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.management.*;
+import java.net.InetAddress;
+
+public abstract class CommandServerInfo {
+  public static void register (CommandDispatcher dispatcher) {
+    dispatcher.register(
+      literal("serverinfo")
+        .requires(source -> source.hasPermissionLevel(2))
+        .executes(CommandServerInfo::serverInfoCommand)
+    );
+  }
+
+  private static void sendInfoMessage (ServerCommandSource source, String description, String value) {
+    source.sendFeedback(
+      Text.literal(description).formatted(Formatting.GRAY)
+        .append(Text.literal(": " + value).formatted(Formatting.WHITE))
+    , false);
+  }
+
+  public static int serverInfoCommand (CommandContext<ServerCommandSource> context) {
+    final ServerCommandSource source = context.getSource();
+    final OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
+    final RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
+    final MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
+    final Runtime runtime = Runtime.getRuntime();
+
+    try {
+      final InetAddress localhost = InetAddress.getLocalHost();
+      sendInfoMessage(source, "Hostname", localhost.getHostName());
+      sendInfoMessage(source, "IP address", localhost.getHostAddress());
+    } catch (Exception ignored) {
+    }
+
+    sendInfoMessage(source, "OS name", operatingSystemMXBean.getName());
+    sendInfoMessage(source, "OS architecture", operatingSystemMXBean.getArch());
+    sendInfoMessage(source, "OS version", operatingSystemMXBean.getVersion());
+
+    sendInfoMessage(source, "Java VM", runtimeMXBean.getVmName());
+    sendInfoMessage(source, "Java version", runtimeMXBean.getSpecVersion());
+
+    try {
+      final String[] shCommand = {
+        "/bin/sh",
+        "-c",
+        "cat /proc/cpuinfo | grep 'model name' | cut -f 2 -d ':' | awk '{$1=$1}1' | head -1"
+      };
+
+      final Process process = runtime.exec(shCommand);
+      final InputStreamReader isr = new InputStreamReader(process.getInputStream());
+      final BufferedReader br = new BufferedReader(isr);
+      String line;
+
+      while ((line = br.readLine()) != null) {
+        sendInfoMessage(source, "CPU model", line);
+      }
+
+      br.close();
+    } catch (Exception ignored) {
+    }
+
+    sendInfoMessage(source, "CPU cores", String.valueOf(runtime.availableProcessors()));
+    sendInfoMessage(source, "CPU load", String.valueOf(operatingSystemMXBean.getSystemLoadAverage()));
+
+    final long heapUsage = memoryMXBean.getHeapMemoryUsage().getUsed();
+    final long nonHeapUsage = memoryMXBean.getNonHeapMemoryUsage().getUsed();
+    final long memoryMax = (
+      memoryMXBean.getHeapMemoryUsage().getMax() +
+      memoryMXBean.getNonHeapMemoryUsage().getMax()
+    );
+    final long memoryUsage = (heapUsage + nonHeapUsage);
+
+    sendInfoMessage(source, "Available memory", (memoryMax / 1024 / 1024) + "MB");
+    sendInfoMessage(source, "Heap memory usage", (heapUsage / 1024 / 1024) + "MB");
+    sendInfoMessage(source, "Non-heap memory usage", (nonHeapUsage / 1024 / 1024) + "MB");
+    sendInfoMessage(source, "Total memory usage", (memoryUsage / 1024 / 1024) + "MB");
+
+    final long minutes = (runtimeMXBean.getUptime() / 1000) / 60;
+    final long seconds = (runtimeMXBean.getUptime() / 1000) % 60;
+
+    sendInfoMessage(source, "Server uptime", minutes + " minute(s) " + seconds + " second(s)");
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/commands/CommandSpawn.java

@@ -0,0 +1,42 @@
+package land.chipmunk.kaboomfabric.extras.commands;
+
+import land.chipmunk.kaboomfabric.extras.Extras;
+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 net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.network.packet.s2c.play.PositionFlag;
+import net.minecraft.text.Text;
+import java.util.Set;
+import java.util.HashSet;
+
+public interface CommandSpawn {
+  static void register (CommandDispatcher dispatcher) {
+    dispatcher.register(
+      literal("spawn")
+        .requires(source -> source.hasPermissionLevel(2))
+        .executes(CommandSpawn::spawnCommand)
+    );
+  }
+
+  static int spawnCommand (CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
+    final ServerCommandSource source = context.getSource();
+    final Entity entity = source.getEntityOrThrow();
+    final ServerWorld world = source.getServer().getOverworld();
+
+    final Vec3d spawn = Vec3d.ofCenter(world.getSpawnPos());
+    final float spawnAngle = world.getSpawnAngle();
+
+    final Set<PositionFlag> positionFlags = new HashSet<>();
+    entity.teleport(world, spawn.getX(), spawn.getY(), spawn.getZ(), positionFlags, spawnAngle, 0);
+
+    source.sendFeedback(Text.literal("Successfully moved to spawn"), false);
+
+    return Command.SINGLE_SUCCESS;
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/mixin/CommandManagerMixin.java

@@ -0,0 +1,23 @@
+package land.chipmunk.kaboomfabric.extras.mixin;
+
+import land.chipmunk.kaboomfabric.extras.Extras;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import net.minecraft.server.command.CommandManager;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.command.CommandRegistryAccess;
+import com.mojang.brigadier.CommandDispatcher;
+
+@Mixin(CommandManager.class)
+public abstract class CommandManagerMixin {
+  @Shadow
+  private CommandDispatcher<ServerCommandSource> dispatcher;
+
+  @Inject(at = @At(value = "INVOKE", target = "Lcom/mojang/brigadier/CommandDispatcher;setConsumer(Lcom/mojang/brigadier/ResultConsumer;)V", remap = false), method = "<init>")
+  private void init (CommandManager.RegistrationEnvironment environment, CommandRegistryAccess commandRegistryAccess, CallbackInfo info) {
+    Extras.registerCommands(dispatcher);
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/mixin/EntitySelectorMixin.java

@@ -0,0 +1,15 @@
+package land.chipmunk.kaboomfabric.extras.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import net.minecraft.server.command.ServerCommandSource;
+
+@Mixin(net.minecraft.command.EntitySelector.class)
+public abstract class EntitySelectorMixin {
+  @Inject(at = @At("HEAD"), method = "checkSourcePermission", cancellable = true)
+  private void checkSourcePermission (ServerCommandSource source, CallbackInfo info) {
+    info.cancel();
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/mixin/OpCommandMixin.java

@@ -0,0 +1,15 @@
+package land.chipmunk.kaboomfabric.extras.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import net.minecraft.server.command.ServerCommandSource;
+
+@Mixin(net.minecraft.server.dedicated.command.OpCommand.class)
+public abstract class OpCommandMixin {
+  @Inject(at = @At("RETURN"), method = "method_13470", cancellable = true)
+  private static void requirement (ServerCommandSource source, CallbackInfoReturnable<Boolean> info) {
+    info.setReturnValue(true);
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/mixin/PlayerManagerMixin.java

@@ -0,0 +1,17 @@
+package land.chipmunk.kaboomfabric.extras.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import net.minecraft.text.Text;
+import com.mojang.authlib.GameProfile;
+import java.net.SocketAddress;
+
+@Mixin(net.minecraft.server.PlayerManager.class)
+public abstract class PlayerManagerMixin {
+  @Inject(at = @At("RETURN"), method = "checkCanJoin", cancellable = true)
+  private void checkCanJoin (SocketAddress address, GameProfile profile, CallbackInfoReturnable<Text> info) {
+    info.setReturnValue(null); // TODO: Config
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/mixin/ReloadCommandMixin.java

@@ -0,0 +1,16 @@
+package land.chipmunk.kaboomfabric.extras.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import net.minecraft.server.command.ServerCommandSource;
+import java.util.Collection;
+
+@Mixin(net.minecraft.server.command.ReloadCommand.class)
+public abstract class ReloadCommandMixin {
+  @Inject(at = @At("HEAD"), method = "tryReloadDataPacks", cancellable = true)
+  private static void tryReloadDataPacks (Collection<?> datapacks, ServerCommandSource source, CallbackInfo info) {
+    info.cancel();
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/mixin/ServerPlayNetworkHandlerMixin.java

@@ -0,0 +1,15 @@
+package land.chipmunk.kaboomfabric.extras.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import net.minecraft.text.Text;
+
+@Mixin(net.minecraft.server.network.ServerPlayNetworkHandler.class)
+public abstract class ServerPlayNetworkHandlerMixin {
+  @Inject(at = @At("HEAD"), method = "disconnect", cancellable = true)
+  private void disconnect (Text disconnectReason, CallbackInfo info) {
+    info.cancel();
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/mixin/StopCommandMixin.java

@@ -0,0 +1,17 @@
+package land.chipmunk.kaboomfabric.extras.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import com.mojang.brigadier.context.CommandContext;
+import net.minecraft.server.command.ServerCommandSource;
+import com.mojang.brigadier.Command;
+
+@Mixin(net.minecraft.server.dedicated.command.StopCommand.class)
+public abstract class StopCommandMixin {
+  @Inject(at = @At(value = "INVOKE", target = "Lnet/minecraft/server/MinecraftServer;stop(Z)V"), method = "method_13676", cancellable = true)
+  private static void stop (CommandContext<ServerCommandSource> context, CallbackInfoReturnable<Integer> info) {
+    info.setReturnValue(Command.SINGLE_SUCCESS);
+  }
+}

src/main/java/land/chipmunk/kaboomfabric/extras/modules/text/TextSerializer.java

@@ -0,0 +1,8 @@
+package land.chipmunk.kaboomfabric.modules.text.TextSerializer;
+
+import net.minecraft.text.Text;
+
+public interface TextSerializer<I extends Text, O extends Text, R> {
+  R serialize (I input);
+  O deserialize (R input);
+}

src/main/java/net/fabricmc/example/ExampleMod.java

@@ -1,21 +0,0 @@
-package net.fabricmc.example;
-
-import net.fabricmc.api.ModInitializer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class ExampleMod implements ModInitializer {
-	// This logger is used to write text to the console and the log file.
-	// It is considered best practice to use your mod id as the logger's name.
-	// That way, it's clear which mod wrote info, warnings, and errors.
-	public static final Logger LOGGER = LoggerFactory.getLogger("modid");
-
-	@Override
-	public void onInitialize() {
-		// This code runs as soon as Minecraft is in a mod-load-ready state.
-		// However, some things (like resources) may still be uninitialized.
-		// Proceed with mild caution.
-
-		LOGGER.info("Hello Fabric world!");
-	}
-}

src/main/java/net/fabricmc/example/mixin/ExampleMixin.java

@@ -1,16 +0,0 @@
-package net.fabricmc.example.mixin;
-
-import net.fabricmc.example.ExampleMod;
-import net.minecraft.client.gui.screen.TitleScreen;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-@Mixin(TitleScreen.class)
-public class ExampleMixin {
-	@Inject(at = @At("HEAD"), method = "init()V")
-	private void init(CallbackInfo info) {
-		ExampleMod.LOGGER.info("This line is printed by an example mod mixin!");
-	}
-}

src/main/resources/extras.mixins.json

@@ -0,0 +1,18 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "land.chipmunk.kaboomfabric.extras.mixin",
+  "compatibilityLevel": "JAVA_17",
+  "mixins": [
+    "CommandManagerMixin",
+    "ServerPlayNetworkHandlerMixin",
+    "PlayerManagerMixin",
+    "StopCommandMixin",
+    "ReloadCommandMixin",
+    "OpCommandMixin",
+    "EntitySelectorMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}

src/main/resources/fabric.mod.json

@@ -1,16 +1,22 @@
 {
   "schemaVersion": 1,
-  "id": "modid",
+  "id": "extras",
   "version": "${version}",
 
-  "name": "Example Mod",
-  "description": "This is an example description! Tell everyone what your mod is about!",
+  "name": "Extras",
+  "description": "Fabric port of the Extras plugin from the kaboom server",
   "authors": [
-    "Me!"
+    "MissingTexture",
+    "G6_",
+    "maniaplay",
+    "QuadraticKid",
+    "hhhzzzsss",
+    "Breakdxwn",
+    "_ChipMC_"
   ],
   "contact": {
-    "homepage": "https://fabricmc.net/",
-    "sources": "https://github.com/FabricMC/fabric-example-mod"
+    "homepage": "https://code.chipmunk.land/kaboom-fabric",
+    "sources": "https://code.chipmunk.land/kaboom-fabric/extras"
   },
 
   "license": "CC0-1.0",
@@ -19,16 +25,15 @@
   "environment": "*",
   "entrypoints": {
     "main": [
-      "net.fabricmc.example.ExampleMod"
+      "land.chipmunk.kaboomfabric.extras.Extras"
     ]
   },
   "mixins": [
-    "modid.mixins.json"
+    "extras.mixins.json"
   ],
 
   "depends": {
     "fabricloader": ">=0.14.17",
-    "fabric-api": "*",
     "minecraft": "~1.19.4",
     "java": ">=17"
   },

src/main/resources/modid.mixins.json

@@ -1,14 +0,0 @@
-{
-  "required": true,
-  "minVersion": "0.8",
-  "package": "net.fabricmc.example.mixin",
-  "compatibilityLevel": "JAVA_17",
-  "mixins": [
-  ],
-  "client": [
-    "ExampleMixin"
-  ],
-  "injectors": {
-    "defaultRequire": 1
-  }
-}