docs: public void placeItem(ItemStack stack, BlockPos pos, World world, boolean centreItem)
      {
          EntityItem entityitem = createItem(stack, (double)pos.getX(), (double)pos.getY(), (double)pos.getZ(), world, centreItem);
          // Set the motions to zero to prevent random movement.
          entityitem.motionX = 0;
          entityitem.motionY = 0;
          entityitem.motionZ = 0;
          entityitem.setDefaultPickupDelay();
          world.spawnEntity(entityitem);
      }