package net.minecraft.client.particle;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.entity.Entity;
import net.minecraft.world.World;
import org.lwjgl.opengl.GL11;

@SideOnly(Side.CLIENT)
public class EntityPickupFX extends EntityFX
{
	private Entity entityToPickUp;
	private Entity entityPickingUp;
	private int age;
	private int maxAge;
	private float yOffs;
	private static final String __OBFID = "CL_00000930";

	public EntityPickupFX(World par1World, Entity par2Entity, Entity par3Entity, float par4)
	{
		super(par1World, par2Entity.posX, par2Entity.posY, par2Entity.posZ, par2Entity.motionX, par2Entity.motionY, par2Entity.motionZ);
		this.entityToPickUp = par2Entity;
		this.entityPickingUp = par3Entity;
		this.maxAge = 3;
		this.yOffs = par4;
	}

	public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
	{
		float f6 = ((float)this.age + par2) / (float)this.maxAge;
		f6 *= f6;
		double d0 = this.entityToPickUp.posX;
		double d1 = this.entityToPickUp.posY;
		double d2 = this.entityToPickUp.posZ;
		double d3 = this.entityPickingUp.lastTickPosX + (this.entityPickingUp.posX - this.entityPickingUp.lastTickPosX) * (double)par2;
		double d4 = this.entityPickingUp.lastTickPosY + (this.entityPickingUp.posY - this.entityPickingUp.lastTickPosY) * (double)par2 + (double)this.yOffs;
		double d5 = this.entityPickingUp.lastTickPosZ + (this.entityPickingUp.posZ - this.entityPickingUp.lastTickPosZ) * (double)par2;
		double d6 = d0 + (d3 - d0) * (double)f6;
		double d7 = d1 + (d4 - d1) * (double)f6;
		double d8 = d2 + (d5 - d2) * (double)f6;
		int i = this.getBrightnessForRender(par2);
		int j = i % 65536;
		int k = i / 65536;
		OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)j / 1.0F, (float)k / 1.0F);
		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
		d6 -= interpPosX;
		d7 -= interpPosY;
		d8 -= interpPosZ;
		RenderManager.instance.renderEntityWithPosYaw(this.entityToPickUp, (double)((float)d6), (double)((float)d7), (double)((float)d8), this.entityToPickUp.rotationYaw, par2);
	}

	public void onUpdate()
	{
		++this.age;

		if (this.age == this.maxAge)
		{
			this.setDead();
		}
	}

	public int getFXLayer()
	{
		return 3;
	}
}