/**
 * Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 *
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */
/**
 * Based on {@link EntityPickupFX}
 */
package buildcraft.transport.render;

import buildcraft.transport.utils.TransportUtils;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.particle.EntityFX;
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.entity.item.EntityItem;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import org.lwjgl.opengl.GL11;
//import net.minecraft.client.particle.EntityPickupFX; 

@SideOnly(Side.CLIENT)
public class TileEntityPickupFX extends EntityFX
{
    private Entity entityToPickUp;
    private TileEntity entityPickingUp;
    private int age = 0;
    private int maxAge = 0;

    /** renamed from yOffset to fix shadowing Entity.yOffset */
    private double yOffs;

    public TileEntityPickupFX(World par1World, EntityItem par2Entity, TileEntity par3Entity)
    {
        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 = TransportUtils.getPipeFloorOf(par2Entity.getEntityItem());
    }

    @Override
    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    {
        float var8 = ((float)this.age + par2) / (float)this.maxAge;
        var8 *= var8;
        double var9 = this.entityToPickUp.posX;
        double var11 = this.entityToPickUp.posY;
        double var13 = this.entityToPickUp.posZ;
        double var15 = this.entityPickingUp.xCoord + 0.5;
        double var17 = this.entityPickingUp.yCoord + yOffs;
        double var19 = this.entityPickingUp.zCoord + 0.5;
        double var21 = var9 + (var15 - var9) * (double)var8;
        double var23 = var11 + (var17 - var11) * (double)var8;
        double var25 = var13 + (var19 - var13) * (double)var8;
        int var30 = this.getBrightnessForRender(par2);
        int var31 = var30 % 65536;
        int var32 = var30 / 65536;
        OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)var31 / 1.0F, (float)var32 / 1.0F);
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        var21 -= interpPosX;
        var23 -= interpPosY;
        var25 -= interpPosZ;
        if (RenderManager.instance.renderEngine != null) {
            RenderManager.instance.renderEntityWithPosYaw(this.entityToPickUp, (double)((float)var21), (double)((float)var23), (double)((float)var25), this.entityToPickUp.rotationYaw, par2);
        }
    }

    /**
     * Called to update the entity's position/logic.
     */
    @Override
    public void onUpdate()
    {
        ++this.age;

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

    @Override
    public int getFXLayer()
    {
        return 3;
    }
}
