package net.minecraft.client.particle;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.world.World;

@SideOnly(Side.CLIENT)
public class EntityEnchantmentTableParticleFX extends EntityFX
{
	private float field_70565_a;
	private double field_70568_aq;
	private double field_70567_ar;
	private double field_70566_as;
	private static final String __OBFID = "CL_00000902";

	public EntityEnchantmentTableParticleFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
	{
		super(par1World, par2, par4, par6, par8, par10, par12);
		this.motionX = par8;
		this.motionY = par10;
		this.motionZ = par12;
		this.field_70568_aq = this.posX = par2;
		this.field_70567_ar = this.posY = par4;
		this.field_70566_as = this.posZ = par6;
		float f = this.rand.nextFloat() * 0.6F + 0.4F;
		this.field_70565_a = this.particleScale = this.rand.nextFloat() * 0.5F + 0.2F;
		this.particleRed = this.particleGreen = this.particleBlue = 1.0F * f;
		this.particleGreen *= 0.9F;
		this.particleRed *= 0.9F;
		this.particleMaxAge = (int)(Math.random() * 10.0D) + 30;
		this.noClip = true;
		this.setParticleTextureIndex((int)(Math.random() * 26.0D + 1.0D + 224.0D));
	}

	public int getBrightnessForRender(float par1)
	{
		int i = super.getBrightnessForRender(par1);
		float f1 = (float)this.particleAge / (float)this.particleMaxAge;
		f1 *= f1;
		f1 *= f1;
		int j = i & 255;
		int k = i >> 16 & 255;
		k += (int)(f1 * 15.0F * 16.0F);

		if (k > 240)
		{
			k = 240;
		}

		return j | k << 16;
	}

	public float getBrightness(float par1)
	{
		float f1 = super.getBrightness(par1);
		float f2 = (float)this.particleAge / (float)this.particleMaxAge;
		f2 *= f2;
		f2 *= f2;
		return f1 * (1.0F - f2) + f2;
	}

	public void onUpdate()
	{
		this.prevPosX = this.posX;
		this.prevPosY = this.posY;
		this.prevPosZ = this.posZ;
		float f = (float)this.particleAge / (float)this.particleMaxAge;
		f = 1.0F - f;
		float f1 = 1.0F - f;
		f1 *= f1;
		f1 *= f1;
		this.posX = this.field_70568_aq + this.motionX * (double)f;
		this.posY = this.field_70567_ar + this.motionY * (double)f - (double)(f1 * 1.2F);
		this.posZ = this.field_70566_as + this.motionZ * (double)f;

		if (this.particleAge++ >= this.particleMaxAge)
		{
			this.setDead();
		}
	}
}