net.minecraft.entity.projectile.EntityPotion Java Examples

protected void attackWithPotion(EntityLivingBase target) {
	double targetY = target.posY + (double) target.getEyeHeight() - 1.100000023841858D;
	double targetX = target.posX + target.motionX - this.posX;
	double d2 = targetY - this.posY;
	double targetZ = target.posZ + target.motionZ - this.posZ;

	float f = MathHelper.sqrt(targetX * targetX + targetZ * targetZ);
	PotionType potiontype = PotionTypes.HARMING;

	if (f >= 8.0F && !target.isPotionActive(MobEffects.SLOWNESS)) {
		potiontype = PotionTypes.SLOWNESS;
	} else if (target.getHealth() >= 8.0F && !target.isPotionActive(MobEffects.POISON)) {
		potiontype = PotionTypes.POISON;
	} else if (f <= 3.0F && !target.isPotionActive(MobEffects.WEAKNESS) && this.rand.nextFloat() < 0.25F) {
		potiontype = PotionTypes.WEAKNESS;
	}

	EntityPotion entitypotion = new EntityPotion(this.world, this,
			PotionUtils.addPotionToItemStack(new ItemStack(Items.SPLASH_POTION), potiontype));
	entitypotion.rotationPitch -= -20.0F;
	entitypotion.shoot(targetX, d2 + (double) (f * 0.2F), targetZ, 0.75F, 8.0F);

	this.world.playSound((EntityPlayer) null, this.posX, this.posY, this.posZ, SoundEvents.ENTITY_WITCH_THROW, this.getSoundCategory(), 1.0F,
			0.8F + this.rand.nextFloat() * 0.4F);
	this.world.spawnEntity(entitypotion);
}
 

@Override
public void attackEntityWithRangedAttack(EntityLivingBase entity, float rangeRatio) {   
  //the EntityPotion class validates if this potion is throwable, and if not it logs error "ThrownPotion entity {} has no item?!
  if(attackTimer <= 0 && getHeldItem(EnumHand.MAIN_HAND).getItem() == Items.SPLASH_POTION && !isHealing) {

    attackedWithPotion = entity;

    double x = entity.posX + entity.motionX - posX;
    double y = entity.posY + entity.getEyeHeight() - 1.100000023841858D - posY;
    double z = entity.posZ + entity.motionZ - posZ;
    float groundDistance = MathHelper.sqrt(x * x + z * z);

    ItemStack potion = getHeldItem(EnumHand.MAIN_HAND);
    attackTimer = getHeldItem(EnumHand.MAIN_HAND).getMaxItemUseDuration();

    EntityPotion entitypotion = new EntityPotion(world, this, potion);
    entitypotion.rotationPitch -= -20.0F;
    entitypotion.setThrowableHeading(x, y + groundDistance * 0.2F, z, 0.75F, 8.0F);
    world.spawnEntity(entitypotion);

    setItemStackToSlot(EntityEquipmentSlot.MAINHAND, ItemStack.EMPTY);
  }
}
 

/**
 * PotionSplashEvent
 */
public static PotionSplashEvent callPotionSplashEvent(EntityPotion potion, Map<LivingEntity, Double> affectedEntities) {
    ThrownPotion thrownPotion = (ThrownPotion) potion.getBukkitEntity();

    PotionSplashEvent event = new PotionSplashEvent(thrownPotion, affectedEntities);
    Bukkit.getPluginManager().callEvent(event);
    return event;
}
 

public static LingeringPotionSplashEvent callLingeringPotionSplashEvent(EntityPotion potion, EntityAreaEffectCloud cloud) {
    ThrownPotion thrownPotion = (ThrownPotion) potion.getBukkitEntity();
    AreaEffectCloud effectCloud = (AreaEffectCloud) cloud.getBukkitEntity();

    LingeringPotionSplashEvent event = new LingeringPotionSplashEvent(thrownPotion, effectCloud);
    Bukkit.getPluginManager().callEvent(event);
    return event;
}
 

protected void throwHealthPotion() {
  ItemStack potion = getHeldItem(EnumHand.MAIN_HAND);
  //if its not a splash or lingering potion it will be an error
  EntityPotion entitypotion = new EntityPotion(world, this, potion);
  Vec3d lookVec = getLookVec();

  entitypotion.setThrowableHeading(lookVec.x * 0.5, -1, lookVec.z * 0.5, 0.75F, 1.0F);
  world.spawnEntity(entitypotion);
  setItemStackToSlot(EntityEquipmentSlot.MAINHAND, ItemStack.EMPTY);
  healTimer = 80;
}
 

public CraftThrownPotion(CraftServer server, EntityPotion entity) {
    super(server, entity);
}
 

@Override
public EntityPotion getHandle() {
    return (EntityPotion) entity;
}
 

public CraftSplashPotion(CraftServer server, EntityPotion entity) {
    super(server, entity);
}
 

@Override
public EntityPotion getHandle() {
    return (EntityPotion) entity;
}
 

public CraftLingeringPotion(CraftServer server, EntityPotion entity) {
    super(server, entity);
}
 

@Override
public EntityPotion getHandle() {
    return (EntityPotion) entity;
}
 

/**
 * Return the projectile entity spawned by this dispense behavior.
 */
protected IProjectile getProjectileEntity(World par1World, IPosition par2IPosition)
{
    return new EntityPotion(par1World, par2IPosition.getX(), par2IPosition.getY(), par2IPosition.getZ(), this.potionItemStack.copy());
}