package net.minecraft.entity.item;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.entity.Entity;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
public class EntityEnderEye extends Entity
{
public int field_70226_a = 0;
/** 'x' location the eye should float towards. */
private double targetX;
/** 'y' location the eye should float towards. */
private double targetY;
/** 'z' location the eye should float towards. */
private double targetZ;
private int despawnTimer;
private boolean shatterOrDrop;
public EntityEnderEye(World par1World)
{
super(par1World);
this.setSize(0.25F, 0.25F);
}
protected void entityInit() {}
@SideOnly(Side.CLIENT)
/**
* Checks if the entity is in range to render by using the past in distance and comparing it to its average edge
* length * 64 * renderDistanceWeight Args: distance
*/
public boolean isInRangeToRenderDist(double par1)
{
double var3 = this.boundingBox.getAverageEdgeLength() * 4.0D;
var3 *= 64.0D;
return par1 < var3 * var3;
}
public EntityEnderEye(World par1World, double par2, double par4, double par6)
{
super(par1World);
this.despawnTimer = 0;
this.setSize(0.25F, 0.25F);
this.setPosition(par2, par4, par6);
this.yOffset = 0.0F;
}
/**
* The location the eye should float/move towards. Currently used for moving towards the nearest stronghold. Args:
* strongholdX, strongholdY, strongholdZ
*/
public void moveTowards(double par1, int par3, double par4)
{
double var6 = par1 - this.posX;
double var8 = par4 - this.posZ;
float var10 = MathHelper.sqrt_double(var6 * var6 + var8 * var8);
if (var10 > 12.0F)
{
this.targetX = this.posX + var6 / (double)var10 * 12.0D;
this.targetZ = this.posZ + var8 / (double)var10 * 12.0D;
this.targetY = this.posY + 8.0D;
}
else
{
this.targetX = par1;
this.targetY = (double)par3;
this.targetZ = par4;
}
this.despawnTimer = 0;
this.shatterOrDrop = this.rand.nextInt(5) > 0;
}
@SideOnly(Side.CLIENT)
/**
* Sets the velocity to the args. Args: x, y, z
*/
public void setVelocity(double par1, double par3, double par5)
{
this.motionX = par1;
this.motionY = par3;
this.motionZ = par5;
if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F)
{
float var7 = MathHelper.sqrt_double(par1 * par1 + par5 * par5);
this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(par1, par5) * 180.0D / Math.PI);
this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(par3, (double)var7) * 180.0D / Math.PI);
}
}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
this.lastTickPosX = this.posX;
this.lastTickPosY = this.posY;
this.lastTickPosZ = this.posZ;
super.onUpdate();
this.posX += this.motionX;
this.posY += this.motionY;
this.posZ += this.motionZ;
float var1 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);
for (this.rotationPitch = (float)(Math.atan2(this.motionY, (double)var1) * 180.0D / Math.PI); this.rotationPitch - this.prevRotationPitch < -180.0F; this.prevRotationPitch -= 360.0F)
{
;
}
while (this.rotationPitch - this.prevRotationPitch >= 180.0F)
{
this.prevRotationPitch += 360.0F;
}
while (this.rotationYaw - this.prevRotationYaw < -180.0F)
{
this.prevRotationYaw -= 360.0F;
}
while (this.rotationYaw - this.prevRotationYaw >= 180.0F)
{
this.prevRotationYaw += 360.0F;
}
this.rotationPitch = this.prevRotationPitch + (this.rotationPitch - this.prevRotationPitch) * 0.2F;
this.rotationYaw = this.prevRotationYaw + (this.rotationYaw - this.prevRotationYaw) * 0.2F;
if (!this.worldObj.isRemote)
{
double var2 = this.targetX - this.posX;
double var4 = this.targetZ - this.posZ;
float var6 = (float)Math.sqrt(var2 * var2 + var4 * var4);
float var7 = (float)Math.atan2(var4, var2);
double var8 = (double)var1 + (double)(var6 - var1) * 0.0025D;
if (var6 < 1.0F)
{
var8 *= 0.8D;
this.motionY *= 0.8D;
}
this.motionX = Math.cos((double)var7) * var8;
this.motionZ = Math.sin((double)var7) * var8;
if (this.posY < this.targetY)
{
this.motionY += (1.0D - this.motionY) * 0.014999999664723873D;
}
else
{
this.motionY += (-1.0D - this.motionY) * 0.014999999664723873D;
}
}
float var10 = 0.25F;
if (this.isInWater())
{
for (int var3 = 0; var3 < 4; ++var3)
{
this.worldObj.spawnParticle("bubble", this.posX - this.motionX * (double)var10, this.posY - this.motionY * (double)var10, this.posZ - this.motionZ * (double)var10, this.motionX, this.motionY, this.motionZ);
}
}
else
{
this.worldObj.spawnParticle("portal", this.posX - this.motionX * (double)var10 + this.rand.nextDouble() * 0.6D - 0.3D, this.posY - this.motionY * (double)var10 - 0.5D, this.posZ - this.motionZ * (double)var10 + this.rand.nextDouble() * 0.6D - 0.3D, this.motionX, this.motionY, this.motionZ);
}
if (!this.worldObj.isRemote)
{
this.setPosition(this.posX, this.posY, this.posZ);
++this.despawnTimer;
if (this.despawnTimer > 80 && !this.worldObj.isRemote)
{
this.setDead();
if (this.shatterOrDrop)
{
this.worldObj.spawnEntityInWorld(new EntityItem(this.worldObj, this.posX, this.posY, this.posZ, new ItemStack(Item.eyeOfEnder)));
}
else
{
this.worldObj.playAuxSFX(2003, (int)Math.round(this.posX), (int)Math.round(this.posY), (int)Math.round(this.posZ), 0);
}
}
}
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) {}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) {}
@SideOnly(Side.CLIENT)
public float getShadowSize()
{
return 0.0F;
}
/**
* Gets how bright this entity is.
*/
public float getBrightness(float par1)
{
return 1.0F;
}
@SideOnly(Side.CLIENT)
public int getBrightnessForRender(float par1)
{
return 15728880;
}
/**
* If returns false, the item will not inflict any damage against entities.
*/
public boolean canAttackWithItem()
{
return false;
}
}