content: package net.minecraft.client.particle;
  
  import net.minecraft.block.Block;
  import net.minecraft.block.state.IBlockState;
  import net.minecraft.client.Minecraft;
  import net.minecraft.client.renderer.WorldRenderer;
  import net.minecraft.entity.Entity;
  import net.minecraft.init.Blocks;
  import net.minecraft.util.BlockPos;
  import net.minecraft.world.World;
  
  public class EntityDiggingFX extends EntityFX {
      private final IBlockState sourceState;
      private BlockPos sourcePos;
  
      protected EntityDiggingFX(World worldIn, double xCoordIn, double yCoordIn, double zCoordIn, double xSpeedIn, double ySpeedIn, double zSpeedIn, IBlockState state) {
          super(worldIn, xCoordIn, yCoordIn, zCoordIn, xSpeedIn, ySpeedIn, zSpeedIn);
          this.sourceState = state;
          this.setParticleIcon(Minecraft.getMinecraft().getBlockRendererDispatcher().getBlockModelShapes().getTexture(state));
          this.particleGravity = state.getBlock().blockParticleGravity;
          this.particleRed = this.particleGreen = this.particleBlue = 0.6F;
          this.particleScale /= 2.0F;
      }
  
      public EntityDiggingFX setBlockPos(BlockPos pos) {
          this.sourcePos = pos;
  
          if (this.sourceState.getBlock() == Blocks.grass) {
              return this;
          } else {
              int i = this.sourceState.getBlock().colorMultiplier(this.worldObj, pos);
              this.particleRed *= (float) (i >> 16 & 255) / 255.0F;
              this.particleGreen *= (float) (i >> 8 & 255) / 255.0F;
              this.particleBlue *= (float) (i & 255) / 255.0F;
              return this;
          }
      }
  
      public EntityDiggingFX func_174845_l() {
          this.sourcePos = new BlockPos(this.posX, this.posY, this.posZ);
          Block block = this.sourceState.getBlock();
  
          if (block == Blocks.grass) {
              return this;
          } else {
              int i = block.getRenderColor(this.sourceState);
              this.particleRed *= (float) (i >> 16 & 255) / 255.0F;
              this.particleGreen *= (float) (i >> 8 & 255) / 255.0F;
              this.particleBlue *= (float) (i & 255) / 255.0F;
              return this;
          }
      }
  
      public int getFXLayer() {
          return 1;
      }
  
      public void renderParticle(WorldRenderer worldRendererIn, Entity entityIn, float partialTicks, float rotationX, float rotationZ, float rotationYZ, float rotationXY, float rotationXZ) {
          float f = ((float) this.particleTextureIndexX + this.particleTextureJitterX / 4.0F) / 16.0F;
          float f1 = f + 0.015609375F;
          float f2 = ((float) this.particleTextureIndexY + this.particleTextureJitterY / 4.0F) / 16.0F;
          float f3 = f2 + 0.015609375F;
          float f4 = 0.1F * this.particleScale;
  
          if (this.particleIcon != null) {
              f = this.particleIcon.getInterpolatedU(this.particleTextureJitterX / 4.0F * 16.0F);
              f1 = this.particleIcon.getInterpolatedU((this.particleTextureJitterX + 1.0F) / 4.0F * 16.0F);
              f2 = this.particleIcon.getInterpolatedV(this.particleTextureJitterY / 4.0F * 16.0F);
              f3 = this.particleIcon.getInterpolatedV((this.particleTextureJitterY + 1.0F) / 4.0F * 16.0F);
          }
  
          float f5 = (float) (this.prevPosX + (this.posX - this.prevPosX) * (double) partialTicks - interpPosX);
          float f6 = (float) (this.prevPosY + (this.posY - this.prevPosY) * (double) partialTicks - interpPosY);
          float f7 = (float) (this.prevPosZ + (this.posZ - this.prevPosZ) * (double) partialTicks - interpPosZ);
          int i = this.getBrightnessForRender(partialTicks);
          int j = i >> 16 & 65535;
          int k = i & 65535;
          worldRendererIn.pos(f5 - rotationX * f4 - rotationXY * f4, f6 - rotationZ * f4, f7 - rotationYZ * f4 - rotationXZ * f4).tex(f, f3).color(this.particleRed, this.particleGreen, this.particleBlue, 1.0F).lightmap(j, k).endVertex();
          worldRendererIn.pos(f5 - rotationX * f4 + rotationXY * f4, f6 + rotationZ * f4, f7 - rotationYZ * f4 + rotationXZ * f4).tex(f, f2).color(this.particleRed, this.particleGreen, this.particleBlue, 1.0F).lightmap(j, k).endVertex();
          worldRendererIn.pos(f5 + rotationX * f4 + rotationXY * f4, f6 + rotationZ * f4, f7 + rotationYZ * f4 + rotationXZ * f4).tex(f1, f2).color(this.particleRed, this.particleGreen, this.particleBlue, 1.0F).lightmap(j, k).endVertex();
          worldRendererIn.pos(f5 + rotationX * f4 - rotationXY * f4, f6 - rotationZ * f4, f7 + rotationYZ * f4 - rotationXZ * f4).tex(f1, f3).color(this.particleRed, this.particleGreen, this.particleBlue, 1.0F).lightmap(j, k).endVertex();
      }
  
      public int getBrightnessForRender(float partialTicks) {
          int i = super.getBrightnessForRender(partialTicks);
          int j = 0;
  
          if (this.worldObj.isBlockLoaded(this.sourcePos)) {
              j = this.worldObj.getCombinedLight(this.sourcePos, 0);
          }
  
          return i == 0 ? j : i;
      }
  
      public static class Factory implements IParticleFactory {
          public EntityFX getEntityFX(int particleID, World worldIn, double xCoordIn, double yCoordIn, double zCoordIn, double xSpeedIn, double ySpeedIn, double zSpeedIn, int... p_178902_15_) {
              return (new EntityDiggingFX(worldIn, xCoordIn, yCoordIn, zCoordIn, xSpeedIn, ySpeedIn, zSpeedIn, Block.getStateById(p_178902_15_[0]))).func_174845_l();
          }
      }
  }
  