package net.minecraft.client.particle;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.entity.Entity;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
@SideOnly(Side.CLIENT)
public class EntityFX extends Entity
{
private int particleTextureIndex;
protected float particleTextureJitterX;
protected float particleTextureJitterY;
protected int particleAge;
protected int particleMaxAge;
protected float particleScale;
protected float particleGravity;
/** The red amount of color. Used as a percentage, 1.0 = 255 and 0.0 = 0. */
protected float particleRed;
/**
* The green amount of color. Used as a percentage, 1.0 = 255 and 0.0 = 0.
*/
protected float particleGreen;
/**
* The blue amount of color. Used as a percentage, 1.0 = 255 and 0.0 = 0.
*/
protected float particleBlue;
/** Particle alpha */
protected float particleAlpha;
public static double interpPosX;
public static double interpPosY;
public static double interpPosZ;
protected EntityFX(World par1World, double par2, double par4, double par6)
{
super(par1World);
this.particleAge = 0;
this.particleMaxAge = 0;
this.particleAlpha = 1.0F;
this.setSize(0.2F, 0.2F);
this.yOffset = this.height / 2.0F;
this.setPosition(par2, par4, par6);
this.lastTickPosX = par2;
this.lastTickPosY = par4;
this.lastTickPosZ = par6;
this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
this.particleTextureJitterX = this.rand.nextFloat() * 3.0F;
this.particleTextureJitterY = this.rand.nextFloat() * 3.0F;
this.particleScale = (this.rand.nextFloat() * 0.5F + 0.5F) * 2.0F;
this.particleMaxAge = (int)(4.0F / (this.rand.nextFloat() * 0.9F + 0.1F));
this.particleAge = 0;
}
public EntityFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
{
this(par1World, par2, par4, par6);
this.motionX = par8 + (double)((float)(Math.random() * 2.0D - 1.0D) * 0.4F);
this.motionY = par10 + (double)((float)(Math.random() * 2.0D - 1.0D) * 0.4F);
this.motionZ = par12 + (double)((float)(Math.random() * 2.0D - 1.0D) * 0.4F);
float var14 = (float)(Math.random() + Math.random() + 1.0D) * 0.15F;
float var15 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);
this.motionX = this.motionX / (double)var15 * (double)var14 * 0.4000000059604645D;
this.motionY = this.motionY / (double)var15 * (double)var14 * 0.4000000059604645D + 0.10000000149011612D;
this.motionZ = this.motionZ / (double)var15 * (double)var14 * 0.4000000059604645D;
}
public EntityFX multiplyVelocity(float par1)
{
this.motionX *= (double)par1;
this.motionY = (this.motionY - 0.10000000149011612D) * (double)par1 + 0.10000000149011612D;
this.motionZ *= (double)par1;
return this;
}
public EntityFX multipleParticleScaleBy(float par1)
{
this.setSize(0.2F * par1, 0.2F * par1);
this.particleScale *= par1;
return this;
}
public void setRBGColorF(float par1, float par2, float par3)
{
this.particleRed = par1;
this.particleGreen = par2;
this.particleBlue = par3;
}
/**
* Sets the particle alpha (float)
*/
public void setAlphaF(float par1)
{
this.particleAlpha = par1;
}
public float getRedColorF()
{
return this.particleRed;
}
public float getGreenColorF()
{
return this.particleGreen;
}
public float getBlueColorF()
{
return this.particleBlue;
}
/**
* returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to
* prevent them from trampling crops
*/
protected boolean canTriggerWalking()
{
return false;
}
protected void entityInit() {}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
this.prevPosX = this.posX;
this.prevPosY = this.posY;
this.prevPosZ = this.posZ;
if (this.particleAge++ >= this.particleMaxAge)
{
this.setDead();
}
this.motionY -= 0.04D * (double)this.particleGravity;
this.moveEntity(this.motionX, this.motionY, this.motionZ);
this.motionX *= 0.9800000190734863D;
this.motionY *= 0.9800000190734863D;
this.motionZ *= 0.9800000190734863D;
if (this.onGround)
{
this.motionX *= 0.699999988079071D;
this.motionZ *= 0.699999988079071D;
}
}
public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
{
float var8 = (float)(this.particleTextureIndex % 16) / 16.0F;
float var9 = var8 + 0.0624375F;
float var10 = (float)(this.particleTextureIndex / 16) / 16.0F;
float var11 = var10 + 0.0624375F;
float var12 = 0.1F * this.particleScale;
float var13 = (float)(this.prevPosX + (this.posX - this.prevPosX) * (double)par2 - interpPosX);
float var14 = (float)(this.prevPosY + (this.posY - this.prevPosY) * (double)par2 - interpPosY);
float var15 = (float)(this.prevPosZ + (this.posZ - this.prevPosZ) * (double)par2 - interpPosZ);
float var16 = 1.0F;
par1Tessellator.setColorRGBA_F(this.particleRed * var16, this.particleGreen * var16, this.particleBlue * var16, this.particleAlpha);
par1Tessellator.addVertexWithUV((double)(var13 - par3 * var12 - par6 * var12), (double)(var14 - par4 * var12), (double)(var15 - par5 * var12 - par7 * var12), (double)var9, (double)var11);
par1Tessellator.addVertexWithUV((double)(var13 - par3 * var12 + par6 * var12), (double)(var14 + par4 * var12), (double)(var15 - par5 * var12 + par7 * var12), (double)var9, (double)var10);
par1Tessellator.addVertexWithUV((double)(var13 + par3 * var12 + par6 * var12), (double)(var14 + par4 * var12), (double)(var15 + par5 * var12 + par7 * var12), (double)var8, (double)var10);
par1Tessellator.addVertexWithUV((double)(var13 + par3 * var12 - par6 * var12), (double)(var14 - par4 * var12), (double)(var15 + par5 * var12 - par7 * var12), (double)var8, (double)var11);
}
public int getFXLayer()
{
return 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) {}
/**
* Public method to set private field particleTextureIndex.
*/
public void setParticleTextureIndex(int par1)
{
this.particleTextureIndex = par1;
}
public int getParticleTextureIndex()
{
return this.particleTextureIndex;
}
/**
* If returns false, the item will not inflict any damage against entities.
*/
public boolean canAttackWithItem()
{
return false;
}
public String toString()
{
return this.getClass().getSimpleName() + ", Pos (" + this.posX + "," + this.posY + "," + this.posZ + "), RGBA (" + this.particleRed + "," + this.particleGreen + "," + this.particleBlue + "," + this.particleAlpha + "), Age " + this.particleAge;
}
}