content: package net.minecraft.client.particle;
  
  import net.minecraft.block.Block;
  import net.minecraft.block.BlockLiquid;
  import net.minecraft.block.material.Material;
  import net.minecraft.block.state.IBlockState;
  import net.minecraft.util.BlockPos;
  import net.minecraft.util.MathHelper;
  import net.minecraft.world.World;
  
  public class EntityRainFX extends EntityFX {
      protected EntityRainFX(World worldIn, double xCoordIn, double yCoordIn, double zCoordIn) {
          super(worldIn, xCoordIn, yCoordIn, zCoordIn, 0.0D, 0.0D, 0.0D);
          this.motionX *= 0.30000001192092896D;
          this.motionY = Math.random() * 0.20000000298023224D + 0.10000000149011612D;
          this.motionZ *= 0.30000001192092896D;
          this.particleRed = 1.0F;
          this.particleGreen = 1.0F;
          this.particleBlue = 1.0F;
          this.setParticleTextureIndex(19 + this.rand.nextInt(4));
          this.setSize(0.01F, 0.01F);
          this.particleGravity = 0.06F;
          this.particleMaxAge = (int) (8.0D / (Math.random() * 0.8D + 0.2D));
      }
  
      public void onUpdate() {
          this.prevPosX = this.posX;
          this.prevPosY = this.posY;
          this.prevPosZ = this.posZ;
          this.motionY -= this.particleGravity;
          this.moveEntity(this.motionX, this.motionY, this.motionZ);
          this.motionX *= 0.9800000190734863D;
          this.motionY *= 0.9800000190734863D;
          this.motionZ *= 0.9800000190734863D;
  
          if (this.particleMaxAge-- <= 0) {
              this.setDead();
          }
  
          if (this.onGround) {
              if (Math.random() < 0.5D) {
                  this.setDead();
              }
  
              this.motionX *= 0.699999988079071D;
              this.motionZ *= 0.699999988079071D;
          }
  
          BlockPos blockpos = new BlockPos(this);
          IBlockState iblockstate = this.worldObj.getBlockState(blockpos);
          Block block = iblockstate.getBlock();
          block.setBlockBoundsBasedOnState(this.worldObj, blockpos);
          Material material = iblockstate.getBlock().getMaterial();
  
          if (material.isLiquid() || material.isSolid()) {
              double d0 = 0.0D;
  
              if (iblockstate.getBlock() instanceof BlockLiquid) {
                  d0 = 1.0F - BlockLiquid.getLiquidHeightPercent(iblockstate.getValue(BlockLiquid.LEVEL).intValue());
              } else {
                  d0 = block.getBlockBoundsMaxY();
              }
  
              double d1 = (double) MathHelper.floor_double(this.posY) + d0;
  
              if (this.posY < d1) {
                  this.setDead();
              }
          }
      }
  
      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 EntityRainFX(worldIn, xCoordIn, yCoordIn, zCoordIn);
          }
      }
  }
  