001    package net.minecraft.client.particle;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    import net.minecraft.block.Block;
006    import net.minecraft.client.renderer.Tessellator;
007    import net.minecraft.world.World;
008    
009    @SideOnly(Side.CLIENT)
010    public class EntityDiggingFX extends EntityFX
011    {
012        private Block blockInstance;
013        private int side;
014    
015        public EntityDiggingFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, Block par14Block, int par15, int par16)
016        {
017            super(par1World, par2, par4, par6, par8, par10, par12);
018            this.blockInstance = par14Block;
019            this.setParticleTextureIndex(par14Block.getBlockTextureFromSideAndMetadata(par15, par16));
020            this.particleGravity = par14Block.blockParticleGravity;
021            this.particleRed = this.particleGreen = this.particleBlue = 0.6F;
022            this.particleScale /= 2.0F;
023            this.side = par15;
024        }
025    
026        public EntityDiggingFX func_70596_a(int par1, int par2, int par3)
027        {
028            if (this.blockInstance == Block.grass && this.side != 1)
029            {
030                return this;
031            }
032            else
033            {
034                int var4 = this.blockInstance.colorMultiplier(this.worldObj, par1, par2, par3);
035                this.particleRed *= (float)(var4 >> 16 & 255) / 255.0F;
036                this.particleGreen *= (float)(var4 >> 8 & 255) / 255.0F;
037                this.particleBlue *= (float)(var4 & 255) / 255.0F;
038                return this;
039            }
040        }
041    
042        /**
043         * Creates a new EntityDiggingFX with the block render color applied to the base particle color
044         */
045        public EntityDiggingFX applyRenderColor(int par1)
046        {
047            if (this.blockInstance == Block.grass)
048            {
049                return this;
050            }
051            else
052            {
053                int var2 = this.blockInstance.getRenderColor(par1);
054                this.particleRed *= (float)(var2 >> 16 & 255) / 255.0F;
055                this.particleGreen *= (float)(var2 >> 8 & 255) / 255.0F;
056                this.particleBlue *= (float)(var2 & 255) / 255.0F;
057                return this;
058            }
059        }
060    
061        public int getFXLayer()
062        {
063            return 1;
064        }
065    
066        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
067        {
068            float var8 = ((float)(this.getParticleTextureIndex() % 16) + this.particleTextureJitterX / 4.0F) / 16.0F;
069            float var9 = var8 + 0.015609375F;
070            float var10 = ((float)(this.getParticleTextureIndex() / 16) + this.particleTextureJitterY / 4.0F) / 16.0F;
071            float var11 = var10 + 0.015609375F;
072            float var12 = 0.1F * this.particleScale;
073            float var13 = (float)(this.prevPosX + (this.posX - this.prevPosX) * (double)par2 - interpPosX);
074            float var14 = (float)(this.prevPosY + (this.posY - this.prevPosY) * (double)par2 - interpPosY);
075            float var15 = (float)(this.prevPosZ + (this.posZ - this.prevPosZ) * (double)par2 - interpPosZ);
076            float var16 = 1.0F;
077            par1Tessellator.setColorOpaque_F(var16 * this.particleRed, var16 * this.particleGreen, var16 * this.particleBlue);
078            par1Tessellator.addVertexWithUV((double)(var13 - par3 * var12 - par6 * var12), (double)(var14 - par4 * var12), (double)(var15 - par5 * var12 - par7 * var12), (double)var8, (double)var11);
079            par1Tessellator.addVertexWithUV((double)(var13 - par3 * var12 + par6 * var12), (double)(var14 + par4 * var12), (double)(var15 - par5 * var12 + par7 * var12), (double)var8, (double)var10);
080            par1Tessellator.addVertexWithUV((double)(var13 + par3 * var12 + par6 * var12), (double)(var14 + par4 * var12), (double)(var15 + par5 * var12 + par7 * var12), (double)var9, (double)var10);
081            par1Tessellator.addVertexWithUV((double)(var13 + par3 * var12 - par6 * var12), (double)(var14 - par4 * var12), (double)(var15 + par5 * var12 - par7 * var12), (double)var9, (double)var11);
082        }
083    }