public void m()
  {
    if (getItemStack() == null)
    {
      die();
    }
    else
    {
      super.m();

      int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
      if (this.pickupDelay != 32767) {
        this.pickupDelay -= elapsedTicks;
      }
      if (this.age != 32768) {
        this.age += elapsedTicks;
      }
      this.lastTick = MinecraftServer.currentTick;

      this.lastX = this.locX;
      this.lastY = this.locY;
      this.lastZ = this.locZ;
      this.motY -= 0.03999999910593033D;
      this.noclip = j(this.locX, (getBoundingBox().b + getBoundingBox().e) / 2.0D, this.locZ);
      move(this.motX, this.motY, this.motZ);
      boolean flag = ((int)this.lastX != (int)this.locX) || ((int)this.lastY != (int)this.locY) || ((int)this.lastZ != (int)this.locZ);
      if ((flag) || (this.ticksLived % 25 == 0))
      {
        if (this.world.getType(new BlockPosition(this)).getMaterial() == Material.LAVA)
        {
          this.motY = 0.20000000298023224D;
          this.motX = ((this.random.nextFloat() - this.random.nextFloat()) * 0.2F);
          this.motZ = ((this.random.nextFloat() - this.random.nextFloat()) * 0.2F);
          a(SoundEffects.bA, 0.4F, 2.0F + this.random.nextFloat() * 0.4F);
        }
        if (!this.world.isClientSide) {
          x();
        }
      }
      float f = 0.98F;
      if (this.onGround) {
        f = this.world.getType(new BlockPosition(MathHelper.floor(this.locX), MathHelper.floor(getBoundingBox().b) - 1, MathHelper.floor(this.locZ))).getBlock().frictionFactor * 0.98F;
      }
      this.motX *= f;
      this.motY *= 0.9800000190734863D;
      this.motZ *= f;
      if (this.onGround) {
        this.motY *= -0.5D;
      }
      aj();
      if ((!this.world.isClientSide) && (this.age >= this.world.spigotConfig.itemDespawnRate))
      {
        if (CraftEventFactory.callItemDespawnEvent(this).isCancelled())
        {
          this.age = 0;
          return;
        }
        die();
      }
    }
  }