package net.minecraft.entity.monster;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityFlying;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.projectile.EntityLargeFireball;
import net.minecraft.item.Item;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.stats.AchievementList;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.DamageSource;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
public class EntityGhast extends EntityFlying implements IMob
{
public int courseChangeCooldown = 0;
public double waypointX;
public double waypointY;
public double waypointZ;
private Entity targetedEntity = null;
/** Cooldown time between target loss and new target aquirement. */
private int aggroCooldown = 0;
public int prevAttackCounter = 0;
public int attackCounter = 0;
/** The explosion radius of spawned fireballs. */
private int explosionStrength = 1;
public EntityGhast(World par1World)
{
super(par1World);
this.texture = "/mob/ghast.png";
this.setSize(4.0F, 4.0F);
this.isImmuneToFire = true;
this.experienceValue = 5;
}
/**
* Called when the entity is attacked.
*/
public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
{
if (this.isEntityInvulnerable())
{
return false;
}
else if ("fireball".equals(par1DamageSource.getDamageType()) && par1DamageSource.getEntity() instanceof EntityPlayer)
{
super.attackEntityFrom(par1DamageSource, 1000);
((EntityPlayer)par1DamageSource.getEntity()).triggerAchievement(AchievementList.ghast);
return true;
}
else
{
return super.attackEntityFrom(par1DamageSource, par2);
}
}
protected void entityInit()
{
super.entityInit();
this.dataWatcher.addObject(16, Byte.valueOf((byte)0));
}
public int getMaxHealth()
{
return 10;
}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
super.onUpdate();
byte b0 = this.dataWatcher.getWatchableObjectByte(16);
this.texture = b0 == 1 ? "/mob/ghast_fire.png" : "/mob/ghast.png";
}
protected void updateEntityActionState()
{
if (!this.worldObj.isRemote && this.worldObj.difficultySetting == 0)
{
this.setDead();
}
this.despawnEntity();
this.prevAttackCounter = this.attackCounter;
double d0 = this.waypointX - this.posX;
double d1 = this.waypointY - this.posY;
double d2 = this.waypointZ - this.posZ;
double d3 = d0 * d0 + d1 * d1 + d2 * d2;
if (d3 < 1.0D || d3 > 3600.0D)
{
this.waypointX = this.posX + (double)((this.rand.nextFloat() * 2.0F - 1.0F) * 16.0F);
this.waypointY = this.posY + (double)((this.rand.nextFloat() * 2.0F - 1.0F) * 16.0F);
this.waypointZ = this.posZ + (double)((this.rand.nextFloat() * 2.0F - 1.0F) * 16.0F);
}
if (this.courseChangeCooldown-- <= 0)
{
this.courseChangeCooldown += this.rand.nextInt(5) + 2;
d3 = (double)MathHelper.sqrt_double(d3);
if (this.isCourseTraversable(this.waypointX, this.waypointY, this.waypointZ, d3))
{
this.motionX += d0 / d3 * 0.1D;
this.motionY += d1 / d3 * 0.1D;
this.motionZ += d2 / d3 * 0.1D;
}
else
{
this.waypointX = this.posX;
this.waypointY = this.posY;
this.waypointZ = this.posZ;
}
}
if (this.targetedEntity != null && this.targetedEntity.isDead)
{
this.targetedEntity = null;
}
if (this.targetedEntity == null || this.aggroCooldown-- <= 0)
{
this.targetedEntity = this.worldObj.getClosestVulnerablePlayerToEntity(this, 100.0D);
if (this.targetedEntity != null)
{
this.aggroCooldown = 20;
}
}
double d4 = 64.0D;
if (this.targetedEntity != null && this.targetedEntity.getDistanceSqToEntity(this) < d4 * d4)
{
double d5 = this.targetedEntity.posX - this.posX;
double d6 = this.targetedEntity.boundingBox.minY + (double)(this.targetedEntity.height / 2.0F) - (this.posY + (double)(this.height / 2.0F));
double d7 = this.targetedEntity.posZ - this.posZ;
this.renderYawOffset = this.rotationYaw = -((float)Math.atan2(d5, d7)) * 180.0F / (float)Math.PI;
if (this.canEntityBeSeen(this.targetedEntity))
{
if (this.attackCounter == 10)
{
this.worldObj.playAuxSFXAtEntity((EntityPlayer)null, 1007, (int)this.posX, (int)this.posY, (int)this.posZ, 0);
}
++this.attackCounter;
if (this.attackCounter == 20)
{
this.worldObj.playAuxSFXAtEntity((EntityPlayer)null, 1008, (int)this.posX, (int)this.posY, (int)this.posZ, 0);
EntityLargeFireball entitylargefireball = new EntityLargeFireball(this.worldObj, this, d5, d6, d7);
entitylargefireball.field_92057_e = this.explosionStrength;
double d8 = 4.0D;
Vec3 vec3 = this.getLook(1.0F);
entitylargefireball.posX = this.posX + vec3.xCoord * d8;
entitylargefireball.posY = this.posY + (double)(this.height / 2.0F) + 0.5D;
entitylargefireball.posZ = this.posZ + vec3.zCoord * d8;
this.worldObj.spawnEntityInWorld(entitylargefireball);
this.attackCounter = -40;
}
}
else if (this.attackCounter > 0)
{
--this.attackCounter;
}
}
else
{
this.renderYawOffset = this.rotationYaw = -((float)Math.atan2(this.motionX, this.motionZ)) * 180.0F / (float)Math.PI;
if (this.attackCounter > 0)
{
--this.attackCounter;
}
}
if (!this.worldObj.isRemote)
{
byte b0 = this.dataWatcher.getWatchableObjectByte(16);
byte b1 = (byte)(this.attackCounter > 10 ? 1 : 0);
if (b0 != b1)
{
this.dataWatcher.updateObject(16, Byte.valueOf(b1));
}
}
}
/**
* True if the ghast has an unobstructed line of travel to the waypoint.
*/
private boolean isCourseTraversable(double par1, double par3, double par5, double par7)
{
double d4 = (this.waypointX - this.posX) / par7;
double d5 = (this.waypointY - this.posY) / par7;
double d6 = (this.waypointZ - this.posZ) / par7;
AxisAlignedBB axisalignedbb = this.boundingBox.copy();
for (int i = 1; (double)i < par7; ++i)
{
axisalignedbb.offset(d4, d5, d6);
if (!this.worldObj.getCollidingBoundingBoxes(this, axisalignedbb).isEmpty())
{
return false;
}
}
return true;
}
/**
* Returns the sound this mob makes while it's alive.
*/
protected String getLivingSound()
{
return "mob.ghast.moan";
}
/**
* Returns the sound this mob makes when it is hurt.
*/
protected String getHurtSound()
{
return "mob.ghast.scream";
}
/**
* Returns the sound this mob makes on death.
*/
protected String getDeathSound()
{
return "mob.ghast.death";
}
/**
* Returns the item ID for the item the mob drops on death.
*/
protected int getDropItemId()
{
return Item.gunpowder.itemID;
}
/**
* Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param
* par2 - Level of Looting used to kill this mob.
*/
protected void dropFewItems(boolean par1, int par2)
{
int j = this.rand.nextInt(2) + this.rand.nextInt(1 + par2);
int k;
for (k = 0; k < j; ++k)
{
this.dropItem(Item.ghastTear.itemID, 1);
}
j = this.rand.nextInt(3) + this.rand.nextInt(1 + par2);
for (k = 0; k < j; ++k)
{
this.dropItem(Item.gunpowder.itemID, 1);
}
}
/**
* Returns the volume for the sounds this mob makes.
*/
protected float getSoundVolume()
{
return 10.0F;
}
/**
* Checks if the entity's current position is a valid location to spawn this entity.
*/
public boolean getCanSpawnHere()
{
return this.rand.nextInt(20) == 0 && super.getCanSpawnHere() && this.worldObj.difficultySetting > 0;
}
/**
* Will return how many at most can spawn in a chunk at once.
*/
public int getMaxSpawnedInChunk()
{
return 1;
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
{
super.writeEntityToNBT(par1NBTTagCompound);
par1NBTTagCompound.setInteger("ExplosionPower", this.explosionStrength);
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
{
super.readEntityFromNBT(par1NBTTagCompound);
if (par1NBTTagCompound.hasKey("ExplosionPower"))
{
this.explosionStrength = par1NBTTagCompound.getInteger("ExplosionPower");
}
}
}