001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    
006    @SideOnly(Side.CLIENT)
007    public class EntityDiggingFX extends EntityFX
008    {
009        private Block blockInstance;
010        private int side;
011    
012        public EntityDiggingFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, Block par14Block, int par15, int par16)
013        {
014            super(par1World, par2, par4, par6, par8, par10, par12);
015            this.blockInstance = par14Block;
016            this.setParticleTextureIndex(par14Block.getBlockTextureFromSideAndMetadata(par15, par16));
017            this.particleGravity = par14Block.blockParticleGravity;
018            this.particleRed = this.particleGreen = this.particleBlue = 0.6F;
019            this.particleScale /= 2.0F;
020            this.side = par15;
021        }
022    
023        public EntityDiggingFX func_70596_a(int par1, int par2, int par3)
024        {
025            if (this.blockInstance == Block.grass && this.side != 1)
026            {
027                return this;
028            }
029            else
030            {
031                int var4 = this.blockInstance.colorMultiplier(this.worldObj, par1, par2, par3);
032                this.particleRed *= (float)(var4 >> 16 & 255) / 255.0F;
033                this.particleGreen *= (float)(var4 >> 8 & 255) / 255.0F;
034                this.particleBlue *= (float)(var4 & 255) / 255.0F;
035                return this;
036            }
037        }
038    
039        public EntityDiggingFX func_90019_g(int par1)
040        {
041            if (this.blockInstance == Block.grass)
042            {
043                return this;
044            }
045            else
046            {
047                int var2 = this.blockInstance.getRenderColor(par1);
048                this.particleRed *= (float)(var2 >> 16 & 255) / 255.0F;
049                this.particleGreen *= (float)(var2 >> 8 & 255) / 255.0F;
050                this.particleBlue *= (float)(var2 & 255) / 255.0F;
051                return this;
052            }
053        }
054    
055        public int getFXLayer()
056        {
057            return 1;
058        }
059    
060        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
061        {
062            float var8 = ((float)(this.getParticleTextureIndex() % 16) + this.particleTextureJitterX / 4.0F) / 16.0F;
063            float var9 = var8 + 0.015609375F;
064            float var10 = ((float)(this.getParticleTextureIndex() / 16) + this.particleTextureJitterY / 4.0F) / 16.0F;
065            float var11 = var10 + 0.015609375F;
066            float var12 = 0.1F * this.particleScale;
067            float var13 = (float)(this.prevPosX + (this.posX - this.prevPosX) * (double)par2 - interpPosX);
068            float var14 = (float)(this.prevPosY + (this.posY - this.prevPosY) * (double)par2 - interpPosY);
069            float var15 = (float)(this.prevPosZ + (this.posZ - this.prevPosZ) * (double)par2 - interpPosZ);
070            float var16 = 1.0F;
071            par1Tessellator.setColorOpaque_F(var16 * this.particleRed, var16 * this.particleGreen, var16 * this.particleBlue);
072            par1Tessellator.addVertexWithUV((double)(var13 - par3 * var12 - par6 * var12), (double)(var14 - par4 * var12), (double)(var15 - par5 * var12 - par7 * var12), (double)var8, (double)var11);
073            par1Tessellator.addVertexWithUV((double)(var13 - par3 * var12 + par6 * var12), (double)(var14 + par4 * var12), (double)(var15 - par5 * var12 + par7 * var12), (double)var8, (double)var10);
074            par1Tessellator.addVertexWithUV((double)(var13 + par3 * var12 + par6 * var12), (double)(var14 + par4 * var12), (double)(var15 + par5 * var12 + par7 * var12), (double)var9, (double)var10);
075            par1Tessellator.addVertexWithUV((double)(var13 + par3 * var12 - par6 * var12), (double)(var14 - par4 * var12), (double)(var15 + par5 * var12 - par7 * var12), (double)var9, (double)var11);
076        }
077    }