PlayerMob.java

package net.worldseed.mobs;

import com.google.common.collect.ImmutableList;
import net.kyori.adventure.text.Component;
import net.minestom.server.MinecraftServer;
import net.minestom.server.collision.BoundingBox;
import net.minestom.server.coordinate.Pos;
import net.minestom.server.entity.*;
import net.minestom.server.network.packet.server.SendablePacket;
import net.minestom.server.network.packet.server.play.PlayerInfoPacket;
import net.minestom.server.network.player.PlayerConnection;
import net.minestom.server.utils.time.TimeUnit;
import net.worldseed.mobs.goals.PlayerTarget;
import net.worldseed.regions.WorldSeedInstance;
import org.jetbrains.annotations.NotNull;
import worldseed.datatypes.mobs.Mob;

import java.util.Collections;
import java.util.List;
import java.util.concurrent.CompletableFuture;

public class WorldSeedMobPlayer extends WorldSeedMobImpl {
    private final Entity hideNameStand;

    public WorldSeedMobPlayer(Mob config, WorldSeedInstance instance, Pos pos) {
        // super(config, instance, pos, EntityType.fromNamespaceId("minecraft:" + config.type().toLowerCase()));
        super(config, instance, pos, EntityType.PLAYER);

        super.yOffset = 1.8f;

        this.hideNameStand = new Entity(EntityType.ARMOR_STAND) {
            @Override
            public void tick(long time) {
            }
        };

        hideNameStand.setInvisible(true);
        hideNameStand.setSilent(true);
        hideNameStand.setInstance(instance, pos);
        this.addPassenger(hideNameStand);

        addAIGroup(
            ImmutableList.of(),
            ImmutableList.of(
                new PlayerTarget(this, 100)
            )
        );
    }

    protected @NotNull PlayerInfoPacket getAddPlayerToList() {
        final PlayerSkin skin = new PlayerSkin(this.config.skin(), this.config.signature());
        List<PlayerInfoPacket.AddPlayer.Property> prop = List.of(new PlayerInfoPacket.AddPlayer.Property("textures", skin.textures(), skin.signature()));
        return new PlayerInfoPacket(PlayerInfoPacket.Action.ADD_PLAYER,
                new PlayerInfoPacket.AddPlayer(getUuid(), "", prop, GameMode.CREATIVE, 0, Component.empty()));
    }

    @Override
    public void updateNewViewer(@NotNull Player player) {
        player.sendPacket(getAddPlayerToList());
        handleTabList(player.getPlayerConnection());
        super.updateNewViewer(player);
    }

    private void handleTabList(PlayerConnection connection) {
        MinecraftServer.getSchedulerManager().buildTask(() -> connection.sendPacket(getRemovePlayerToList())).delay(20, TimeUnit.SERVER_TICK).schedule();
    }

    private SendablePacket getRemovePlayerToList() {
        return new PlayerInfoPacket(PlayerInfoPacket.Action.REMOVE_PLAYER, new PlayerInfoPacket.RemovePlayer(getUuid()));
    }

    @Override
    public void remove() {
        super.remove();
        this.hideNameStand.remove();
    }
}