initial commit

2022-07-05 10:05:22 +02:00
commit 3f986b424d
56 changed files with 1155 additions and 0 deletions
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/Lobby.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/Lobby.java
@@ -0,0 +1,59 @@
+package eu.mhsl.minenet.minestom.pve;
+
+import net.kyori.adventure.sound.Sound;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.title.Title;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.entity.Entity;
+import net.minestom.server.entity.Player;
+import net.minestom.server.event.EventNode;
+import net.minestom.server.event.instance.AddEntityToInstanceEvent;
+import net.minestom.server.event.item.ItemDropEvent;
+import net.minestom.server.event.player.*;
+import net.minestom.server.event.trait.InstanceEvent;
+import net.minestom.server.instance.InstanceContainer;
+import eu.mhsl.minenet.minestom.pve.util.FullbrightDimension;
+import eu.mhsl.minenet.minestom.pve.util.PaneGenerator;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.UUID;
+
+public final class Lobby extends InstanceContainer {
+
+    public static final Lobby INSTANCE = new Lobby();
+
+    static {
+        MinecraftServer.getInstanceManager().registerInstance(INSTANCE);
+    }
+
+    private Lobby() {
+        super(UUID.randomUUID(), FullbrightDimension.INSTANCE);
+        setGenerator(new PaneGenerator(Block.GOLD_BLOCK));
+        setTimeRate(0);
+        setTime(18000);
+
+        EventNode<InstanceEvent> events = eventNode();
+
+        events.addListener(AddEntityToInstanceEvent.class, addEntityToInstanceEvent -> {
+            final Entity entity = addEntityToInstanceEvent.getEntity();
+            if(!(entity instanceof Player p)) return;
+
+            if(p.getInstance() != null) {
+                p.scheduler().scheduleNextTick(() -> p.sendMessage("BACK TO LOBBY"));
+            } else {
+                p.scheduler().scheduleNextTick(() -> p.sendMessage("NEW TO LOBBY"));
+                //p.playSound(Sound.sound(SoundEvent.MUSIC_END, Sound.Source.MASTER, 1f, 1f));
+            }
+
+        });
+
+        events.addListener(ItemDropEvent.class, itemDropEvent -> {
+            itemDropEvent.setCancelled(true);
+        });
+
+        events.addListener(PlayerBlockBreakEvent.class, playerBlockBreakEvent -> {
+            playerBlockBreakEvent.setCancelled(true);
+        });
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/Main.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/Main.java
@@ -0,0 +1,107 @@
+package eu.mhsl.minenet.minestom.pve;
+
+import eu.mhsl.minenet.minestom.pve.command.PlayCommand;
+import eu.mhsl.minenet.minestom.pve.command.StopCommand;
+import net.kyori.adventure.sound.Sound;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.adventure.audience.Audiences;
+import net.minestom.server.command.CommandManager;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.GameMode;
+import net.minestom.server.entity.Player;
+import net.minestom.server.entity.PlayerSkin;
+import net.minestom.server.event.GlobalEventHandler;
+import net.minestom.server.event.player.PlayerChatEvent;
+import net.minestom.server.event.player.PlayerLoginEvent;
+import net.minestom.server.event.player.PlayerSpawnEvent;
+import net.minestom.server.event.server.ServerTickMonitorEvent;
+import net.minestom.server.extras.lan.OpenToLAN;
+import net.minestom.server.instance.InstanceContainer;
+import net.minestom.server.instance.InstanceManager;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.monitoring.TickMonitor;
+import net.minestom.server.potion.Potion;
+import net.minestom.server.potion.PotionEffect;
+import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.timer.TaskSchedule;
+import net.minestom.server.utils.MathUtils;
+import net.minestom.server.world.Difficulty;
+
+import java.util.Collection;
+import java.util.concurrent.atomic.AtomicReference;
+
+public class Main {
+    public static void main(String[] args) {
+        MinecraftServer server = MinecraftServer.init();
+        CommandManager commands = MinecraftServer.getCommandManager();
+        InstanceManager instances = MinecraftServer.getInstanceManager();
+        GlobalEventHandler events = MinecraftServer.getGlobalEventHandler();
+
+        MinecraftServer.setBrandName("minenet");
+        MinecraftServer.setCompressionThreshold(0);
+        MinecraftServer.setTerminalEnabled(true);
+        MinecraftServer.setDifficulty(Difficulty.NORMAL);
+
+        events.addListener(PlayerLoginEvent.class, playerLoginEvent -> {
+            final Player p = playerLoginEvent.getPlayer();
+
+            playerLoginEvent.setSpawningInstance(Lobby.INSTANCE);
+
+            if(!p.getName().toString().equals("MineTec")) p.setReducedDebugScreenInformation(true); //TODO remove condition
+            p.setRespawnPoint(new Pos(0,5,0));
+            p.setGameMode(GameMode.CREATIVE);
+            p.setEnableRespawnScreen(false);
+        });
+
+        events.addListener(PlayerChatEvent.class, chatEvent -> {
+            chatEvent.setChatFormat((event) -> Component.text(event.getEntity().getUsername())
+                    .append(Component.text(" | ", NamedTextColor.DARK_GRAY)
+                            .append(Component.text(event.getMessage(), NamedTextColor.WHITE))));
+        });
+
+        events.addListener(PlayerSpawnEvent.class, playerSpawnEvent -> {
+            playerSpawnEvent.getPlayer().addEffect(new Potion(PotionEffect.BLINDNESS, (byte) 1, 30));
+        });
+
+
+        commands.register(new PlayCommand());
+        commands.register(new StopCommand());
+
+        AtomicReference<TickMonitor> lastTick = new AtomicReference<>();
+        events.addListener(ServerTickMonitorEvent.class, event -> {
+            final TickMonitor monitor = event.getTickMonitor();
+            lastTick.set(monitor);
+        });
+
+        MinecraftServer.getSchedulerManager().scheduleTask(() -> {
+            Collection<Player> players = MinecraftServer.getConnectionManager().getOnlinePlayers();
+            if (players.isEmpty()) return;
+
+            for(Player p : players) {
+                p.refreshCommands(); //TODO this is a dumb idea
+            }
+
+            final Runtime runtime = Runtime.getRuntime();
+            final TickMonitor tickMonitor = lastTick.get();
+            final long ramUsage = (runtime.totalMemory() - runtime.freeMemory()) / 1024 / 1024;
+
+            final Component header = Component.newline()
+                    .append(Component.newline()).append(Component.text("Players: " + players.size()))
+                    .append(Component.newline()).append(Component.newline())
+                    .append(Component.text("RAM: " + ramUsage + " MB", NamedTextColor.GRAY).append(Component.newline())
+                    .append(Component.text("TICK: " + MathUtils.round(tickMonitor.getTickTime(), 2) + "ms", NamedTextColor.GRAY))).append(Component.newline())
+                    .append(Component.text("LOAD: " + MathUtils.round(tickMonitor.getTickTime()*2, 1) + "%", NamedTextColor.GRAY))
+                    .append(Component.newline());
+
+            final Component footer = Component.text("");
+
+            Audiences.players().sendPlayerListHeaderAndFooter(header, footer);
+
+        }, TaskSchedule.tick(20), TaskSchedule.tick(20));
+
+        OpenToLAN.open();
+        server.start("0.0.0.0", 25565);
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/arena/Arena.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/arena/Arena.java
@@ -0,0 +1,129 @@
+package eu.mhsl.minenet.minestom.pve.arena;
+
+import eu.mhsl.minenet.minestom.pve.Lobby;
+import eu.mhsl.minenet.minestom.pve.arena.mob.Zombie;
+import eu.mhsl.minenet.minestom.pve.util.FullbrightDimension;
+import eu.mhsl.minenet.minestom.pve.util.PaneGenerator;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.coordinate.Point;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.coordinate.Vec;
+import net.minestom.server.entity.*;
+import net.minestom.server.entity.ai.EntityAIGroup;
+import net.minestom.server.entity.ai.EntityAIGroupBuilder;
+import net.minestom.server.entity.ai.goal.DoNothingGoal;
+import net.minestom.server.entity.ai.goal.FollowTargetGoal;
+import net.minestom.server.entity.ai.goal.RandomLookAroundGoal;
+import net.minestom.server.entity.ai.goal.RandomStrollGoal;
+import net.minestom.server.entity.ai.target.ClosestEntityTarget;
+import net.minestom.server.entity.damage.DamageType;
+import net.minestom.server.event.entity.EntityAttackEvent;
+import net.minestom.server.event.entity.EntityDamageEvent;
+import net.minestom.server.event.entity.EntityDeathEvent;
+import net.minestom.server.event.instance.AddEntityToInstanceEvent;
+import net.minestom.server.event.instance.RemoveEntityFromInstanceEvent;
+import net.minestom.server.instance.InstanceContainer;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.item.Material;
+import net.minestom.server.potion.Potion;
+import net.minestom.server.potion.PotionEffect;
+import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.timer.Task;
+import net.minestom.server.timer.TaskSchedule;
+import net.minestom.server.world.DimensionType;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Predicate;
+
+public class Arena extends InstanceContainer {
+    private UUID arenaId;
+    private Task spawner;
+    private boolean isRunning = false;
+    public Arena(UUID arenaId) {
+        super(arenaId, FullbrightDimension.INSTANCE);
+
+        this.arenaId = arenaId;
+
+        MinecraftServer.getInstanceManager().registerInstance(this);
+        ArenaManager.add(this);
+
+        this.setGenerator(new PaneGenerator(Block.STONE));
+
+        eventNode().addListener(AddEntityToInstanceEvent.class, addEntityToInstanceEvent -> {
+            if(addEntityToInstanceEvent.getEntity() instanceof Player) start();
+        });
+
+        eventNode().addListener(RemoveEntityFromInstanceEvent.class, removeEntityFromInstanceEvent -> {
+           if(!(removeEntityFromInstanceEvent.getEntity() instanceof Player)) return;
+           if(this.getPlayers().size() > 1) return;
+
+           stop();
+        });
+
+        eventNode().addListener(EntityAttackEvent.class, entityAttackEvent -> {
+            //Player attacks Mob
+            if(!(entityAttackEvent.getEntity() instanceof Player)) return;
+            sendMessage(Component.text("EntityAttackEvent " + System.currentTimeMillis()));
+
+            Player attacker = (Player) entityAttackEvent.getEntity();
+            LivingEntity target = (LivingEntity) entityAttackEvent.getTarget();
+
+            target.damage(DamageType.fromPlayer(attacker), 20);
+
+            double knockbackX = Math.sin(attacker.getPosition().yaw() * (Math.PI / 180));
+            double knockbackZ = -Math.cos(attacker.getPosition().yaw() * (Math.PI / 180));
+
+            entityAttackEvent.getTarget().takeKnockback(
+                    0.5f,
+                    knockbackX,
+                    knockbackZ
+            );
+
+            scheduler().scheduleNextTick(() -> {
+                if(target.isDead()) {
+                    target.takeKnockback(
+                            1f,
+                            knockbackX,
+                            knockbackZ
+                    );
+                } else
+                    target.setVelocity(new Vec(0, 10, 0));
+            });
+        });
+    }
+
+    public void stop() {
+        this.spawner.cancel();
+
+        if(this.getPlayers().size() > 1) {
+            for(Player p : this.getPlayers()) {
+                p.sendMessage(Component.text("instance stopped"));
+                p.setInstance(Lobby.INSTANCE);
+            }
+        }
+        MinecraftServer.getSchedulerManager().scheduleNextTick(() -> {
+            MinecraftServer.getInstanceManager().unregisterInstance(this);
+            System.out.println("Stopped arena " + arenaId);
+        });
+    }
+
+    public void start() {
+        if(isRunning) return;
+        isRunning = true;
+
+        this.spawner = scheduler().scheduleTask(() -> {
+            if(this.getEntities().size() > 100) return;
+            new Zombie().setInstance(this, new Pos(0, 5, 0));
+        }, TaskSchedule.seconds(1), TaskSchedule.seconds(1));
+    }
+
+
+
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/arena/ArenaManager.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/arena/ArenaManager.java
@@ -0,0 +1,29 @@
+package eu.mhsl.minenet.minestom.pve.arena;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicReferenceArray;
+
+public class ArenaManager {
+    private static List<Arena> ARENAS = new ArrayList<>();
+
+    public static void add(@NotNull Arena arena) {
+        ARENAS.add(arena);
+    }
+
+    public static void remove(@NotNull Arena arena) {
+        ARENAS.remove(arena);
+    }
+
+    public static List<Arena> get() {
+        return ARENAS;
+    }
+
+    public static void stopAll() {
+        for(Arena arena : ARENAS) {
+            arena.stop();
+        }
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/arena/ArenaMob.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/arena/ArenaMob.java
@@ -0,0 +1,126 @@
+package eu.mhsl.minenet.minestom.pve.arena;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.EntityCreature;
+import net.minestom.server.entity.EntityType;
+import net.minestom.server.entity.LivingEntity;
+import net.minestom.server.entity.Player;
+import net.minestom.server.entity.ai.EntityAIGroupBuilder;
+import net.minestom.server.entity.ai.goal.MeleeAttackGoal;
+import net.minestom.server.entity.ai.goal.RandomLookAroundGoal;
+import net.minestom.server.entity.ai.goal.RandomStrollGoal;
+import net.minestom.server.entity.ai.target.ClosestEntityTarget;
+import net.minestom.server.entity.damage.DamageType;
+import net.minestom.server.event.entity.EntityAttackEvent;
+import net.minestom.server.event.entity.EntityDamageEvent;
+import net.minestom.server.event.entity.EntityDeathEvent;
+import net.minestom.server.event.entity.EntitySpawnEvent;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.item.Material;
+import net.minestom.server.particle.Particle;
+import net.minestom.server.particle.ParticleCreator;
+import net.minestom.server.potion.Potion;
+import net.minestom.server.potion.PotionEffect;
+import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.timer.TaskSchedule;
+import net.minestom.server.utils.time.TimeUnit;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class ArenaMob extends EntityCreature {
+    public ArenaMob(@NotNull EntityType entityType) {
+        super(entityType);
+
+        setCustomName(generateHealthBar(getMaxHealth(), getHealth()));
+        setCustomNameVisible(true);
+        setRemovalAnimationDelay(3500);
+
+        addAIGroup(
+                new EntityAIGroupBuilder()
+                        .addGoalSelector(new MeleeAttackGoal(this, 1.2, 20, TimeUnit.SERVER_TICK))
+                        .addTargetSelector(new ClosestEntityTarget(this, 32, Player.class))
+                        .addGoalSelector(new RandomLookAroundGoal(this, 30))
+                        .addGoalSelector(new RandomStrollGoal(this, 5))
+                        .build()
+        );
+
+        eventNode().addListener(EntitySpawnEvent.class, entitySpawnEvent -> {
+            Pos position = entitySpawnEvent.getEntity().getPosition();
+            if(entitySpawnEvent.getEntity() == this) ParticleCreator.createParticlePacket(Particle.FIREWORK,
+                    position.x(),
+                    position.y(),
+                    position.z(),
+                    (float) position.sub(1).x(),
+                    (float) position.sub(1).y(),
+                    (float) position.sub(1).z(),
+                    10);
+        });
+
+        eventNode().addListener(EntityAttackEvent.class, entityAttackEvent -> {
+            //Mob attacks Player
+            if(entityAttackEvent.getEntity() instanceof Player) return;
+
+            instance.sendMessage(Component.text("EntityAttackEvent " + System.currentTimeMillis()));
+            entityAttackEvent.getTarget().takeKnockback(
+                    0.2f,
+                    Math.sin(entityAttackEvent.getEntity().getPosition().yaw() * (Math.PI / 180)),
+                    -Math.cos(entityAttackEvent.getEntity().getPosition().yaw() * (Math.PI / 180))
+            );
+
+            ((LivingEntity) entityAttackEvent.getTarget()).damage(DamageType.fromEntity(entityAttackEvent.getEntity()), 1);
+
+            ((EntityCreature) entityAttackEvent.getEntity()).swingMainHand();
+
+        });
+
+
+        eventNode().addListener(EntityDamageEvent.class, entityDamageEvent -> {
+            instance.sendMessage(Component.text("EntityDamageEvent " + System.currentTimeMillis()));
+
+            entityDamageEvent.setSound(SoundEvent.BLOCK_AMETHYST_BLOCK_STEP);
+
+            setCustomName(generateHealthBar(getMaxHealth(), getHealth()));
+            lookAt(new Pos(0,0,0));
+        });
+
+        eventNode().addListener(EntityDeathEvent.class, entityDeathEvent -> {
+            instance.sendMessage(Component.text("EntityDeathEvent " + System.currentTimeMillis()));
+
+            setCustomNameVisible(false);
+            setCustomName(null);
+
+            scheduler().scheduleTask(() -> {
+                teleport(getPosition().sub(0, 0.1, 0));
+            }, TaskSchedule.seconds(3), TaskSchedule.stop());
+
+
+        });
+    }
+
+
+
+    private static final int BLOCK_LENGTH = 6;
+
+    private static final List<String> CHARACTERS = List.of(
+            "", "▏", "▎", "▍",
+            "▌", "▋", "▊", "▉"
+    );
+    private static final String FULL_BLOCK_CHAR = "█";
+    private static @NotNull Component generateHealthBar(float maxHealth, float currentHealth) {
+        // Converts the health percentage into a number from 0-{blockLength} -- only 0 if the mob's health is 0
+        final double charHealth = (currentHealth / maxHealth) * BLOCK_LENGTH;
+        return Component.text()
+                .append(Component.text(
+                        FULL_BLOCK_CHAR.repeat((int) Math.floor(charHealth)),
+                        NamedTextColor.DARK_RED
+                )).append(Component.text(CHARACTERS.get((int) Math.round(
+                        (charHealth - Math.floor(charHealth)) // number from 0-1
+                                * (CHARACTERS.size() - 1) // indexes start at 0
+                )), NamedTextColor.GOLD))
+                .build();
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/arena/mob/Zombie.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/arena/mob/Zombie.java
@@ -0,0 +1,19 @@
+package eu.mhsl.minenet.minestom.pve.arena.mob;
+
+import eu.mhsl.minenet.minestom.pve.arena.ArenaMob;
+import net.minestom.server.entity.EntityCreature;
+import net.minestom.server.entity.EntityType;
+import net.minestom.server.entity.Player;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.item.Material;
+import org.jetbrains.annotations.NotNull;
+
+public class Zombie extends ArenaMob {
+    public Zombie() {
+        super(EntityType.ZOMBIE);
+
+        setItemInHand(Player.Hand.MAIN, ItemStack.builder(Material.TNT).build());
+        setItemInHand(Player.Hand.OFF, ItemStack.builder(Material.FLINT_AND_STEEL).build());
+
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/command/PlayCommand.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/command/PlayCommand.java
@@ -0,0 +1,31 @@
+package eu.mhsl.minenet.minestom.pve.command;
+
+import eu.mhsl.minenet.minestom.pve.arena.Arena;
+import eu.mhsl.minenet.minestom.pve.arena.ArenaManager;
+import eu.mhsl.minenet.minestom.pve.util.CommandConditions;
+import kotlin.reflect.jvm.internal.impl.metadata.ProtoBuf;
+import kotlin.reflect.jvm.internal.impl.protobuf.MessageLite;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.command.builder.Command;
+import net.minestom.server.command.builder.condition.CommandCondition;
+import net.minestom.server.entity.Player;
+import net.minestom.server.potion.Potion;
+import net.minestom.server.potion.PotionEffect;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public class PlayCommand extends Command {
+    public PlayCommand() {
+        super("start");
+        setCondition(CommandConditions::lobbyOnly);
+
+        setDefaultExecutor((sender, context) -> {
+
+            if(sender instanceof Player p) {
+                Arena arena = new Arena(p.getUuid());
+                p.setInstance(arena);
+            }
+
+        });
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/command/StopCommand.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/command/StopCommand.java
@@ -0,0 +1,22 @@
+package eu.mhsl.minenet.minestom.pve.command;
+
+import eu.mhsl.minenet.minestom.pve.Lobby;
+import eu.mhsl.minenet.minestom.pve.arena.ArenaManager;
+import eu.mhsl.minenet.minestom.pve.util.CommandConditions;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.command.builder.Command;
+import net.minestom.server.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class StopCommand extends Command {
+    public StopCommand() {
+        super("stop");
+        setCondition(CommandConditions::arenaOnly);
+
+        setDefaultExecutor(((sender, context) -> {
+            final Player p = (Player) sender;
+            p.setInstance(Lobby.INSTANCE);
+            p.setHealth(p.getMaxHealth());
+        }));
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/util/CommandConditions.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/util/CommandConditions.java
@@ -0,0 +1,21 @@
+package eu.mhsl.minenet.minestom.pve.util;
+
+import eu.mhsl.minenet.minestom.pve.Lobby;
+import net.minestom.server.command.CommandSender;
+import net.minestom.server.entity.Player;
+import net.minestom.server.instance.Instance;
+import net.minestom.server.instance.InstanceContainer;
+
+public class CommandConditions {
+    public static boolean lobbyOnly(CommandSender sender, String arguments) {
+        if(!(sender instanceof Player p)) return false;
+        Instance instance = p.getInstance();
+        return instance == null || instance == Lobby.INSTANCE;
+    }
+
+    public static boolean arenaOnly(CommandSender sender, String arguments) {
+        if(!(sender instanceof Player p)) return false;
+        final Instance instance = p.getInstance();
+        return instance != null && instance != Lobby.INSTANCE;
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/util/FullbrightDimension.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/util/FullbrightDimension.java
@@ -0,0 +1,15 @@
+package eu.mhsl.minenet.minestom.pve.util;
+
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.utils.NamespaceID;
+import net.minestom.server.world.DimensionType;
+
+public class FullbrightDimension {
+    public static final DimensionType INSTANCE = DimensionType.builder(NamespaceID.from("arena:default"))
+            .ambientLight(2f)
+            .build();
+
+    static {
+        MinecraftServer.getDimensionTypeManager().addDimension(INSTANCE);
+    }
+}
--- a/src/main/java/eu/mhsl/minenet/minestom/pve/util/PaneGenerator.java
+++ b/src/main/java/eu/mhsl/minenet/minestom/pve/util/PaneGenerator.java
@@ -0,0 +1,24 @@
+package eu.mhsl.minenet.minestom.pve.util;
+
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.instance.generator.GenerationUnit;
+import net.minestom.server.instance.generator.Generator;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collection;
+
+public class PaneGenerator implements Generator {
+    private Block block;
+    public PaneGenerator(Block block) {
+        this.block = block;
+    }
+    @Override
+    public void generate(@NotNull GenerationUnit unit) {
+        unit.modifier().fillHeight(0, 5, block);
+    }
+
+    @Override
+    public void generateAll(@NotNull Collection<@NotNull GenerationUnit> units) {
+        Generator.super.generateAll(units);
+    }
+}