net.minecraft.server.EntitySpider Maven / Gradle / Ivy

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package net.minecraft.server;

import org.bukkit.entity.Spider;
import org.jetbrains.annotations.NotNull;

import java.util.Random;

public class EntitySpider extends EntityMonster {

  public EntitySpider(World world) {
    super(world);
    this.setSize(1.4F, 0.9F);
    this.goalSelector.a(1, new PathfinderGoalFloat(this));
    this.goalSelector.a(3, new PathfinderGoalLeapAtTarget(this, 0.4F));
    this.goalSelector.a(4, new EntitySpider.PathfinderGoalSpiderMeleeAttack(this, EntityHuman.class));
    this.goalSelector.a(4, new EntitySpider.PathfinderGoalSpiderMeleeAttack(this, EntityIronGolem.class));
    this.goalSelector.a(5, new PathfinderGoalRandomStroll(this, 0.8D));
    this.goalSelector.a(6, new PathfinderGoalLookAtPlayer(this, EntityHuman.class, 8.0F));
    this.goalSelector.a(6, new PathfinderGoalRandomLookaround(this));
    this.targetSelector.a(1, new PathfinderGoalHurtByTarget(this, false));
    this.targetSelector.a(2, new EntitySpider.PathfinderGoalSpiderNearestAttackableTarget(this, EntityHuman.class));
    this.targetSelector.a(3, new EntitySpider.PathfinderGoalSpiderNearestAttackableTarget(this, EntityIronGolem.class));
  }

  @NotNull
  @Override
  public Spider getEntity() {
    return (Spider) super.getEntity();
  }

  public double an() {
    return this.length * 0.5F;
  }

  protected NavigationAbstract b(World world) {
    return new NavigationSpider(this, world);
  }

  protected void h() {
    super.h();
    this.datawatcher.a(16, new Byte((byte) 0));
  }

  public void t_() {
    super.t_();
    if (!this.world.isClientSide) {
      this.a(this.positionChanged);
    }

  }

  protected void initAttributes() {
    super.initAttributes();
    this.getAttributeInstance(GenericAttributes.maxHealth).setValue(16.0D);
    this.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(0.30000001192092896D);
  }

  protected String z() {
    return "mob.spider.say";
  }

  protected String bo() {
    return "mob.spider.say";
  }

  protected String bp() {
    return "mob.spider.death";
  }

  protected void a(BlockPosition pos, Block block) {
    this.makeSound("mob.spider.step", 0.15F, 1.0F);
  }

  protected Item getLoot() {
    return Items.STRING;
  }

  protected void dropDeathLoot(boolean flag, int i) {
    super.dropDeathLoot(flag, i);
    if (flag && (this.random.nextInt(3) == 0 || this.random.nextInt(1 + i) > 0)) {
      this.a(Items.SPIDER_EYE, 1);
    }

  }

  public boolean k_() {
    return this.n();
  }

  public void aA() {
  }

  public EnumMonsterType getMonsterType() {
    return EnumMonsterType.ARTHROPOD;
  }

  public boolean d(MobEffect mobeffect) {
    return mobeffect.getEffectId() != MobEffectList.POISON.id && super.d(mobeffect);
  }

  public boolean n() {
    return (this.datawatcher.getByte(16) & 1) != 0;
  }

  public void a(boolean flag) {
    byte b0 = this.datawatcher.getByte(16);

    if (flag) {
      b0 = (byte) (b0 | 1);
    } else {
      b0 &= -2;
    }

    this.datawatcher.watch(16, Byte.valueOf(b0));
  }

  public GroupDataEntity prepare(DifficultyDamageScaler difficultydamagescaler, GroupDataEntity groupdataentity) {
    Object object = super.prepare(difficultydamagescaler, groupdataentity);

    if (this.world.random.nextInt(100) == 0) {
      EntitySkeleton entityskeleton = new EntitySkeleton(this.world);

      entityskeleton.setPositionRotation(this.locX, this.locY, this.locZ, this.yaw, 0.0F);
      entityskeleton.prepare(difficultydamagescaler, null);
      this.world.addEntity(entityskeleton, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.JOCKEY); // CraftBukkit - add SpawnReason
      entityskeleton.mount(this);
    }

    if (object == null) {
      object = new EntitySpider.GroupDataSpider();
      if (this.world.getDifficulty() == EnumDifficulty.HARD && this.world.random.nextFloat() < 0.1F * difficultydamagescaler.c()) {
        ((EntitySpider.GroupDataSpider) object).a(this.world.random);
      }
    }

    if (object instanceof EntitySpider.GroupDataSpider) {
      int i = ((EntitySpider.GroupDataSpider) object).a;

      if (i > 0 && MobEffectList.byId[i] != null) {
        this.addEffect(new MobEffect(i, Integer.MAX_VALUE));
      }
    }

    return (GroupDataEntity) object;
  }

  public float getHeadHeight() {
    return 0.65F;
  }

  static class PathfinderGoalSpiderNearestAttackableTarget extends PathfinderGoalNearestAttackableTarget {

    public PathfinderGoalSpiderNearestAttackableTarget(EntitySpider entityspider, Class oclass) {
      super(entityspider, oclass, true);
    }

    public boolean a() {
      float f = this.e.c(1.0F);

      return !(f >= 0.5F) && super.a();
    }
  }

  static class PathfinderGoalSpiderMeleeAttack extends PathfinderGoalMeleeAttack {

    public PathfinderGoalSpiderMeleeAttack(EntitySpider entityspider, Class oclass) {
      super(entityspider, oclass, 1.0D, true);
    }

    public boolean b() {
      float f = this.b.c(1.0F);

      if (f >= 0.5F && this.b.bc().nextInt(100) == 0) {
        this.b.setGoalTarget(null);
        return false;
      } else {
        return super.b();
      }
    }

    protected double a(EntityLiving entityliving) {
      return 4.0F + entityliving.width;
    }
  }

  public static class GroupDataSpider implements GroupDataEntity {

    public int a;

    public GroupDataSpider() {
    }

    public void a(Random random) {
      int i = random.nextInt(5);

      if (i <= 1) {
        this.a = MobEffectList.FASTER_MOVEMENT.id;
      } else if (i <= 2) {
        this.a = MobEffectList.INCREASE_DAMAGE.id;
      } else if (i <= 3) {
        this.a = MobEffectList.REGENERATION.id;
      } else if (i <= 4) {
        this.a = MobEffectList.INVISIBILITY.id;
      }

    }
  }
}