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.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
public class EntityFireworkRocket extends Entity
{
/** The age of the firework in ticks. */
private int fireworkAge;
/**
* The lifetime of the firework in ticks. When the age reaches the lifetime the firework explodes.
*/
private int lifetime;
public EntityFireworkRocket(World par1World)
{
super(par1World);
this.setSize(0.25F, 0.25F);
}
protected void entityInit()
{
this.dataWatcher.addObjectByDataType(8, 5);
}
@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)
{
return par1 < 4096.0D;
}
public EntityFireworkRocket(World par1World, double par2, double par4, double par6, ItemStack par8ItemStack)
{
super(par1World);
this.fireworkAge = 0;
this.setSize(0.25F, 0.25F);
this.setPosition(par2, par4, par6);
this.yOffset = 0.0F;
int i = 1;
if (par8ItemStack != null && par8ItemStack.hasTagCompound())
{
this.dataWatcher.updateObject(8, par8ItemStack);
NBTTagCompound nbttagcompound = par8ItemStack.getTagCompound();
NBTTagCompound nbttagcompound1 = nbttagcompound.getCompoundTag("Fireworks");
if (nbttagcompound1 != null)
{
i += nbttagcompound1.getByte("Flight");
}
}
this.motionX = this.rand.nextGaussian() * 0.001D;
this.motionZ = this.rand.nextGaussian() * 0.001D;
this.motionY = 0.05D;
this.lifetime = 10 * i + this.rand.nextInt(6) + this.rand.nextInt(7);
}
@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 f = 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)f) * 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.motionX *= 1.15D;
this.motionZ *= 1.15D;
this.motionY += 0.04D;
this.moveEntity(this.motionX, this.motionY, this.motionZ);
float f = 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)f) * 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.fireworkAge == 0)
{
this.worldObj.playSoundAtEntity(this, "fireworks.launch", 3.0F, 1.0F);
}
++this.fireworkAge;
if (this.worldObj.isRemote && this.fireworkAge % 2 < 2)
{
this.worldObj.spawnParticle("fireworksSpark", this.posX, this.posY - 0.3D, this.posZ, this.rand.nextGaussian() * 0.05D, -this.motionY * 0.5D, this.rand.nextGaussian() * 0.05D);
}
if (!this.worldObj.isRemote && this.fireworkAge > this.lifetime)
{
this.worldObj.setEntityState(this, (byte)17);
this.setDead();
}
}
@SideOnly(Side.CLIENT)
public void handleHealthUpdate(byte par1)
{
if (par1 == 17 && this.worldObj.isRemote)
{
ItemStack itemstack = this.dataWatcher.getWatchableObjectItemStack(8);
NBTTagCompound nbttagcompound = null;
if (itemstack != null && itemstack.hasTagCompound())
{
nbttagcompound = itemstack.getTagCompound().getCompoundTag("Fireworks");
}
this.worldObj.func_92088_a(this.posX, this.posY, this.posZ, this.motionX, this.motionY, this.motionZ, nbttagcompound);
}
super.handleHealthUpdate(par1);
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
{
par1NBTTagCompound.setInteger("Life", this.fireworkAge);
par1NBTTagCompound.setInteger("LifeTime", this.lifetime);
ItemStack itemstack = this.dataWatcher.getWatchableObjectItemStack(8);
if (itemstack != null)
{
NBTTagCompound nbttagcompound1 = new NBTTagCompound();
itemstack.writeToNBT(nbttagcompound1);
par1NBTTagCompound.setCompoundTag("FireworksItem", nbttagcompound1);
}
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
{
this.fireworkAge = par1NBTTagCompound.getInteger("Life");
this.lifetime = par1NBTTagCompound.getInteger("LifeTime");
NBTTagCompound nbttagcompound1 = par1NBTTagCompound.getCompoundTag("FireworksItem");
if (nbttagcompound1 != null)
{
ItemStack itemstack = ItemStack.loadItemStackFromNBT(nbttagcompound1);
if (itemstack != null)
{
this.dataWatcher.updateObject(8, itemstack);
}
}
}
@SideOnly(Side.CLIENT)
public float getShadowSize()
{
return 0.0F;
}
/**
* Gets how bright this entity is.
*/
public float getBrightness(float par1)
{
return super.getBrightness(par1);
}
@SideOnly(Side.CLIENT)
public int getBrightnessForRender(float par1)
{
return super.getBrightnessForRender(par1);
}
/**
* If returns false, the item will not inflict any damage against entities.
*/
public boolean canAttackWithItem()
{
return false;
}
}