content: package net.minecraft.client.particle;
  
  import net.minecraft.client.renderer.WorldRenderer;
  import net.minecraft.entity.Entity;
  import net.minecraft.entity.player.EntityPlayer;
  import net.minecraft.util.MathHelper;
  import net.minecraft.world.World;
  
  public class EntityCloudFX extends EntityFX {
      float field_70569_a;
  
      protected EntityCloudFX(World worldIn, double xCoordIn, double yCoordIn, double zCoordIn, double p_i1221_8_, double p_i1221_10_, double p_i1221_12_) {
          super(worldIn, xCoordIn, yCoordIn, zCoordIn, 0.0D, 0.0D, 0.0D);
          float f = 2.5F;
          this.motionX *= 0.10000000149011612D;
          this.motionY *= 0.10000000149011612D;
          this.motionZ *= 0.10000000149011612D;
          this.motionX += p_i1221_8_;
          this.motionY += p_i1221_10_;
          this.motionZ += p_i1221_12_;
          this.particleRed = this.particleGreen = this.particleBlue = 1.0F - (float) (Math.random() * 0.30000001192092896D);
          this.particleScale *= 0.75F;
          this.particleScale *= f;
          this.field_70569_a = this.particleScale;
          this.particleMaxAge = (int) (8.0D / (Math.random() * 0.8D + 0.3D));
          this.particleMaxAge = (int) ((float) this.particleMaxAge * f);
          this.noClip = false;
      }
  
      public void renderParticle(WorldRenderer worldRendererIn, Entity entityIn, float partialTicks, float rotationX, float rotationZ, float rotationYZ, float rotationXY, float rotationXZ) {
          float f = ((float) this.particleAge + partialTicks) / (float) this.particleMaxAge * 32.0F;
          f = MathHelper.clamp_float(f, 0.0F, 1.0F);
          this.particleScale = this.field_70569_a * f;
          super.renderParticle(worldRendererIn, entityIn, partialTicks, rotationX, rotationZ, rotationYZ, rotationXY, rotationXZ);
      }
  
      public void onUpdate() {
          this.prevPosX = this.posX;
          this.prevPosY = this.posY;
          this.prevPosZ = this.posZ;
  
          if (this.particleAge++ >= this.particleMaxAge) {
              this.setDead();
          }
  
          this.setParticleTextureIndex(7 - this.particleAge * 8 / this.particleMaxAge);
          this.moveEntity(this.motionX, this.motionY, this.motionZ);
          this.motionX *= 0.9599999785423279D;
          this.motionY *= 0.9599999785423279D;
          this.motionZ *= 0.9599999785423279D;
          EntityPlayer entityplayer = this.worldObj.getClosestPlayerToEntity(this, 2.0D);
  
          if (entityplayer != null && this.posY > entityplayer.getEntityBoundingBox().minY) {
              this.posY += (entityplayer.getEntityBoundingBox().minY - this.posY) * 0.2D;
              this.motionY += (entityplayer.motionY - this.motionY) * 0.2D;
              this.setPosition(this.posX, this.posY, this.posZ);
          }
  
          if (this.onGround) {
              this.motionX *= 0.699999988079071D;
              this.motionZ *= 0.699999988079071D;
          }
      }
  
      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 EntityCloudFX(worldIn, xCoordIn, yCoordIn, zCoordIn, xSpeedIn, ySpeedIn, zSpeedIn);
          }
      }
  }
  