return false;
if(lens == null && isHeldItemLens) {
par5EntityPlayer.inventory.setInventorySlotContents(par5EntityPlayer.inventory.currentItem, null);
spreader.setInventorySlotContents(0, heldItem.copy());
spreader.markDirty();
} else if(lens != null) {
ItemStack add = lens.copy();
if(!par5EntityPlayer.inventory.addItemStackToInventory(add))
par5EntityPlayer.dropPlayerItemWithRandomChoice(add, false);
spreader.setInventorySlotContents(0, null);