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

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package net.minecraft.server;

import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.entity.Fireball;
import org.jetbrains.annotations.NotNull;

import java.util.List;

public abstract class EntityFireball extends Entity {

  public EntityLiving shooter;
  public double dirX;
  public double dirY;
  public double dirZ;
  public float bukkitYield = 1; // CraftBukkit
  public boolean isIncendiary = true; // CraftBukkit
  private int e = -1;
  private int f = -1;
  private int g = -1;
  private Block h;
  private boolean i;
  private int ar;
  private int as;

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

  public EntityFireball(World world) {
    super(world);
    this.setSize(1.0F, 1.0F);
  }

  public EntityFireball(World world, double d0, double d1, double d2, double d3, double d4, double d5) {
    super(world);
    this.setSize(1.0F, 1.0F);
    this.setPositionRotation(d0, d1, d2, this.yaw, this.pitch);
    this.setPosition(d0, d1, d2);
    double d6 = MathHelper.sqrt(d3 * d3 + d4 * d4 + d5 * d5);

    this.dirX = d3 / d6 * 0.1D;
    this.dirY = d4 / d6 * 0.1D;
    this.dirZ = d5 / d6 * 0.1D;
  }

  public EntityFireball(World world, EntityLiving entityliving, double d0, double d1, double d2) {
    super(world);
    this.shooter = entityliving;
    this.projectileSource = (org.bukkit.entity.LivingEntity) entityliving.getBukkitEntity(); // CraftBukkit
    this.setSize(1.0F, 1.0F);
    this.setPositionRotation(entityliving.locX, entityliving.locY, entityliving.locZ, entityliving.yaw, entityliving.pitch);
    this.setPosition(this.locX, this.locY, this.locZ);
    this.motX = this.motY = this.motZ = 0.0D;
    // CraftBukkit start - Added setDirection method
    this.setDirection(d0, d1, d2);
  }

  protected void h() {
  }

  public void setDirection(double d0, double d1, double d2) {
    // CraftBukkit end
    d0 += this.random.nextGaussian() * 0.4D;
    d1 += this.random.nextGaussian() * 0.4D;
    d2 += this.random.nextGaussian() * 0.4D;
    double d3 = MathHelper.sqrt(d0 * d0 + d1 * d1 + d2 * d2);

    this.dirX = d0 / d3 * 0.1D;
    this.dirY = d1 / d3 * 0.1D;
    this.dirZ = d2 / d3 * 0.1D;
  }

  public void t_() {
    if (!this.world.isClientSide && (this.shooter != null && this.shooter.dead || !this.world.isLoaded(new BlockPosition(this)))) {
      this.die();
    } else {
      super.t_();
      this.setOnFire(1);
      if (this.i) {
        if (this.world.getType(new BlockPosition(this.e, this.f, this.g)).getBlock() == this.h) {
          ++this.ar;
          if (this.ar == 600) {
            this.die();
          }

          return;
        }

        this.i = false;
        this.motX *= this.random.nextFloat() * 0.2F;
        this.motY *= this.random.nextFloat() * 0.2F;
        this.motZ *= this.random.nextFloat() * 0.2F;
        this.ar = 0;
        this.as = 0;
      } else {
        ++this.as;
      }

      Vec3D vec3d = new Vec3D(this.locX, this.locY, this.locZ);
      Vec3D vec3d1 = new Vec3D(this.locX + this.motX, this.locY + this.motY, this.locZ + this.motZ);
      MovingObjectPosition movingobjectposition = this.world.rayTrace(vec3d, vec3d1);

      vec3d = new Vec3D(this.locX, this.locY, this.locZ);
      vec3d1 = new Vec3D(this.locX + this.motX, this.locY + this.motY, this.locZ + this.motZ);
      if (movingobjectposition != null) {
        vec3d1 = new Vec3D(movingobjectposition.pos.a, movingobjectposition.pos.b, movingobjectposition.pos.c);
      }

      Entity entity = null;
      List list = this.world.getEntities(this, this.getBoundingBox().a(this.motX, this.motY, this.motZ).grow(1.0D, 1.0D, 1.0D));
      double d0 = 0.0D;

      for (int i = 0; i < list.size(); ++i) {
        Entity entity1 = (Entity) list.get(i);

        if (entity1.ad() && (!entity1.k(this.shooter) || this.as >= 25)) {
          float f = 0.3F;
          AxisAlignedBB axisalignedbb = entity1.getBoundingBox().grow(f, f, f);
          MovingObjectPosition movingobjectposition1 = axisalignedbb.a(vec3d, vec3d1);

          if (movingobjectposition1 != null) {
            double d1 = vec3d.distanceSquared(movingobjectposition1.pos);

            if (d1 < d0 || d0 == 0.0D) {
              entity = entity1;
              d0 = d1;
            }
          }
        }
      }

      if (entity != null) {
        movingobjectposition = new MovingObjectPosition(entity);
      }

      if (movingobjectposition != null) {
        this.a(movingobjectposition);

        // CraftBukkit start - Fire ProjectileHitEvent
        if (this.dead) {
          CraftEventFactory.callProjectileHitEvent(this);
        }
        // CraftBukkit end
      }

      this.locX += this.motX;
      this.locY += this.motY;
      this.locZ += this.motZ;
      float f1 = MathHelper.sqrt(this.motX * this.motX + this.motZ * this.motZ);

      this.yaw = (float) (MathHelper.b(this.motZ, this.motX) * 180.0D / 3.1415927410125732D) + 90.0F;

      for (this.pitch = (float) (MathHelper.b(f1, this.motY) * 180.0D / 3.1415927410125732D) - 90.0F; this.pitch - this.lastPitch < -180.0F; this.lastPitch -= 360.0F) {
      }

      while (this.pitch - this.lastPitch >= 180.0F) {
        this.lastPitch += 360.0F;
      }

      while (this.yaw - this.lastYaw < -180.0F) {
        this.lastYaw -= 360.0F;
      }

      while (this.yaw - this.lastYaw >= 180.0F) {
        this.lastYaw += 360.0F;
      }

      this.pitch = this.lastPitch + (this.pitch - this.lastPitch) * 0.2F;
      this.yaw = this.lastYaw + (this.yaw - this.lastYaw) * 0.2F;
      float f2 = this.j();

      if (this.V()) {
        for (int j = 0; j < 4; ++j) {
          float f3 = 0.25F;

          this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ);
        }

        f2 = 0.8F;
      }

      this.motX += this.dirX;
      this.motY += this.dirY;
      this.motZ += this.dirZ;
      this.motX *= f2;
      this.motY *= f2;
      this.motZ *= f2;
      this.world.addParticle(EnumParticle.SMOKE_NORMAL, this.locX, this.locY + 0.5D, this.locZ, 0.0D, 0.0D, 0.0D);
      this.setPosition(this.locX, this.locY, this.locZ);
    }
  }

  protected float j() {
    return 0.95F;
  }

  protected abstract void a(MovingObjectPosition movingobjectposition);

  public void b(NBTTagCompound nbttagcompound) {
    nbttagcompound.setShort("xTile", (short) this.e);
    nbttagcompound.setShort("yTile", (short) this.f);
    nbttagcompound.setShort("zTile", (short) this.g);
    MinecraftKey minecraftkey = Block.REGISTRY.c(this.h);

    nbttagcompound.setString("inTile", minecraftkey == null ? "" : minecraftkey.toString());
    nbttagcompound.setByte("inGround", (byte) (this.i ? 1 : 0));
    // CraftBukkit - Fix direction being mismapped to invalid variables
    nbttagcompound.set("power", this.a(this.dirX, this.dirY, this.dirZ));
    nbttagcompound.set("direction", this.a(this.motX, this.motY, this.motZ));
  }

  public void a(NBTTagCompound nbttagcompound) {
    this.e = nbttagcompound.getShort("xTile");
    this.f = nbttagcompound.getShort("yTile");
    this.g = nbttagcompound.getShort("zTile");
    if (nbttagcompound.hasKeyOfType("inTile", 8)) {
      this.h = Block.getByName(nbttagcompound.getString("inTile"));
    } else {
      this.h = Block.getById(nbttagcompound.getByte("inTile") & 255);
    }

    this.i = nbttagcompound.getByte("inGround") == 1;
    // CraftBukkit start - direction -> power
    if (nbttagcompound.hasKeyOfType("power", 9)) {
      NBTTagList nbttaglist = nbttagcompound.getList("power", 6);

      this.dirX = nbttaglist.d(0);
      this.dirY = nbttaglist.d(1);
      this.dirZ = nbttaglist.d(2);
    } else if (nbttagcompound.hasKeyOfType("direction", 9)) {
      NBTTagList nbttaglist = nbttagcompound.getList("direction", 6);

      this.motX = nbttaglist.d(0);
      this.motY = nbttaglist.d(1);
      this.motZ = nbttaglist.d(2);
      // CraftBukkit end
    } else {
      this.die();
    }

  }

  public boolean ad() {
    return true;
  }

  public float ao() {
    return 1.0F;
  }

  public boolean damageEntity(DamageSource damagesource, float f) {
    if (this.isInvulnerable(damagesource)) {
      return false;
    } else {
      this.ac();
      if (damagesource.getEntity() != null) {
        // CraftBukkit start
        if (CraftEventFactory.handleNonLivingEntityDamageEvent(this, damagesource, f)) {
          return false;
        }
        // CraftBukkit end
        Vec3D vec3d = damagesource.getEntity().ap();

        if (vec3d != null) {
          this.motX = vec3d.a;
          this.motY = vec3d.b;
          this.motZ = vec3d.c;
          this.dirX = this.motX * 0.1D;
          this.dirY = this.motY * 0.1D;
          this.dirZ = this.motZ * 0.1D;
        }

        if (damagesource.getEntity() instanceof EntityLiving) {
          this.shooter = (EntityLiving) damagesource.getEntity();
          this.projectileSource = (org.bukkit.projectiles.ProjectileSource) this.shooter.getBukkitEntity();
        }

        return true;
      } else {
        return false;
      }
    }
  }

  public float c(float f) {
    return 1.0F;
  }
}