cn.nukkit.entity.item.EntityEndCrystal Maven / Gradle / Ivy

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package cn.nukkit.entity.item;

import cn.nukkit.api.PowerNukkitOnly;
import cn.nukkit.api.Since;
import cn.nukkit.entity.Entity;
import cn.nukkit.entity.EntityExplosive;
import cn.nukkit.entity.data.IntPositionEntityData;
import cn.nukkit.entity.mob.EntityEnderDragon;
import cn.nukkit.event.entity.EntityDamageByEntityEvent;
import cn.nukkit.event.entity.EntityDamageEvent;
import cn.nukkit.level.Explosion;
import cn.nukkit.level.GameRule;
import cn.nukkit.level.Position;
import cn.nukkit.level.format.FullChunk;
import cn.nukkit.math.Vector3;
import cn.nukkit.nbt.tag.CompoundTag;

/**
 * @author PetteriM1
 */
public class EntityEndCrystal extends Entity implements EntityExplosive {

    public static final int NETWORK_ID = 71;

    /**
     * @since 1.2.1.0-PN
     */
    protected boolean detonated = false;

    public EntityEndCrystal(FullChunk chunk, CompoundTag nbt) {
        super(chunk, nbt);
    }

    @Override
    public int getNetworkId() {
        return NETWORK_ID;
    }

    @Override
    protected void initEntity() {
        super.initEntity();

        if (this.namedTag.contains("ShowBottom")) {
            this.setShowBase(this.namedTag.getBoolean("ShowBottom"));
        }

        this.fireProof = true;
        this.setDataFlag(DATA_FLAGS, DATA_FLAG_FIRE_IMMUNE, true);
    }

    @Override
    public void saveNBT() {
        super.saveNBT();

        this.namedTag.putBoolean("ShowBottom", this.showBase());
    }

    @Override
    public float getHeight() {
        return 0.98f;
    }

    @Override
    public float getWidth() {
        return 0.98f;
    }

    @Override
    public boolean attack(EntityDamageEvent source) {
        if (isClosed()) {
            return false;
        }

        if (source.getCause() == EntityDamageEvent.DamageCause.FIRE || source.getCause() == EntityDamageEvent.DamageCause.FIRE_TICK || source.getCause() == EntityDamageEvent.DamageCause.LAVA) {
            return false;
        }

        if (!super.attack(source)) {
            return false;
        }

        if (source instanceof EntityDamageByEntityEvent) {
            if (((EntityDamageByEntityEvent) source).getDamager() instanceof EntityEnderDragon) {
                return false;
            }
        }
        explode();

        return true;
    }

    @Override
    public void explode() {
        if (!this.detonated) {
            this.detonated = true;

            Position pos = this.getPosition();
            Explosion explode = new Explosion(pos, 6, this);

            this.close();

            if (this.level.getGameRules().getBoolean(GameRule.MOB_GRIEFING)) {
                explode.explodeA();
                explode.explodeB();
            } else {
                explode.explodeB();
            }
        }
    }

    @Override
    public boolean canCollideWith(Entity entity) {
        return false;
    }

    public boolean showBase() {
        return this.getDataFlag(DATA_FLAGS, DATA_FLAG_SHOWBASE);
    }

    public void setShowBase(boolean value) {
        this.setDataFlag(DATA_FLAGS, DATA_FLAG_SHOWBASE, value);
    }

    @PowerNukkitOnly
    @Since("FUTURE")
    public Vector3 getBeamTarget() {
        return this.getDataPropertyPos(DATA_BLOCK_TARGET);
    }

    @PowerNukkitOnly
    @Since("FUTURE")
    public void setBeamTarget(Vector3 beamTarget) {
        this.setDataProperty(new IntPositionEntityData(DATA_BLOCK_TARGET, beamTarget));
    }

    @PowerNukkitOnly
    @Since("1.5.1.0-PN")
    @Override
    public String getOriginalName() {
        return "Ender Crystal";
    }
}