    001package net.minecraft.client.particle;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.block.Block;
    006import net.minecraft.client.renderer.RenderEngine;
    007import net.minecraft.client.renderer.Tessellator;
    008import net.minecraft.world.World;
    009
    010@SideOnly(Side.CLIENT)
    011public class EntityDiggingFX extends EntityFX
    012{
    013    private Block blockInstance;
    014    private int side;
    015
    016    public EntityDiggingFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, Block par14Block, int par15, int par16, RenderEngine par17RenderEngine)
    017    {
    018        super(par1World, par2, par4, par6, par8, par10, par12);
    019        this.blockInstance = par14Block;
    020        this.setParticleIcon(par17RenderEngine, par14Block.getIcon(par15, par16));
    021        this.particleGravity = par14Block.blockParticleGravity;
    022        this.particleRed = this.particleGreen = this.particleBlue = 0.6F;
    023        this.particleScale /= 2.0F;
    024        this.side = par15;
    025    }
    026
    027    public EntityDiggingFX func_70596_a(int par1, int par2, int par3)
    028    {
    029        if (this.blockInstance == Block.grass && this.side != 1)
    030        {
    031            return this;
    032        }
    033        else
    034        {
    035            int l = this.blockInstance.colorMultiplier(this.worldObj, par1, par2, par3);
    036            this.particleRed *= (float)(l >> 16 & 255) / 255.0F;
    037            this.particleGreen *= (float)(l >> 8 & 255) / 255.0F;
    038            this.particleBlue *= (float)(l & 255) / 255.0F;
    039            return this;
    040        }
    041    }
    042
    043    /**
    044     * Creates a new EntityDiggingFX with the block render color applied to the base particle color
    045     */
    046    public EntityDiggingFX applyRenderColor(int par1)
    047    {
    048        if (this.blockInstance == Block.grass)
    049        {
    050            return this;
    051        }
    052        else
    053        {
    054            int j = this.blockInstance.getRenderColor(par1);
    055            this.particleRed *= (float)(j >> 16 & 255) / 255.0F;
    056            this.particleGreen *= (float)(j >> 8 & 255) / 255.0F;
    057            this.particleBlue *= (float)(j & 255) / 255.0F;
    058            return this;
    059        }
    060    }
    061
    062    public int getFXLayer()
    063    {
    064        return 1;
    065    }
    066
    067    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    068    {
    069        float f6 = ((float)this.particleTextureIndexX + this.particleTextureJitterX / 4.0F) / 16.0F;
    070        float f7 = f6 + 0.015609375F;
    071        float f8 = ((float)this.particleTextureIndexY + this.particleTextureJitterY / 4.0F) / 16.0F;
    072        float f9 = f8 + 0.015609375F;
    073        float f10 = 0.1F * this.particleScale;
    074
    075        if (this.particleTextureIndex != null)
    076        {
    077            f6 = this.particleTextureIndex.getInterpolatedU((double)(this.particleTextureJitterX / 4.0F * 16.0F));
    078            f7 = this.particleTextureIndex.getInterpolatedU((double)((this.particleTextureJitterX + 1.0F) / 4.0F * 16.0F));
    079            f8 = this.particleTextureIndex.getInterpolatedV((double)(this.particleTextureJitterY / 4.0F * 16.0F));
    080            f9 = this.particleTextureIndex.getInterpolatedV((double)((this.particleTextureJitterY + 1.0F) / 4.0F * 16.0F));
    081        }
    082
    083        float f11 = (float)(this.prevPosX + (this.posX - this.prevPosX) * (double)par2 - interpPosX);
    084        float f12 = (float)(this.prevPosY + (this.posY - this.prevPosY) * (double)par2 - interpPosY);
    085        float f13 = (float)(this.prevPosZ + (this.posZ - this.prevPosZ) * (double)par2 - interpPosZ);
    086        float f14 = 1.0F;
    087        par1Tessellator.setColorOpaque_F(f14 * this.particleRed, f14 * this.particleGreen, f14 * this.particleBlue);
    088        par1Tessellator.addVertexWithUV((double)(f11 - par3 * f10 - par6 * f10), (double)(f12 - par4 * f10), (double)(f13 - par5 * f10 - par7 * f10), (double)f6, (double)f9);
    089        par1Tessellator.addVertexWithUV((double)(f11 - par3 * f10 + par6 * f10), (double)(f12 + par4 * f10), (double)(f13 - par5 * f10 + par7 * f10), (double)f6, (double)f8);
    090        par1Tessellator.addVertexWithUV((double)(f11 + par3 * f10 + par6 * f10), (double)(f12 + par4 * f10), (double)(f13 + par5 * f10 + par7 * f10), (double)f7, (double)f8);
    091        par1Tessellator.addVertexWithUV((double)(f11 + par3 * f10 - par6 * f10), (double)(f12 - par4 * f10), (double)(f13 + par5 * f10 - par7 * f10), (double)f7, (double)f9);
    092    }
    093}