@Override
public ItemStack transferStackInSlot(EntityPlayer player, int slot) {
ItemStack stack = null;
Slot slotObject = (Slot) inventorySlots.get(slot);
// null checks and checks if the item can be stacked (maxStackSize > 1)
if (slotObject != null && slotObject.getHasStack()) {
ItemStack stackInSlot = slotObject.getStack();
stack = stackInSlot.copy();
// merges the item into player inventory since its in the tileEntity
if (slot < tileEntity.getSizeInventory()) {
if (!this.mergeItemStack(
stackInSlot, tileEntity.getSizeInventory(), 36 + tileEntity.getSizeInventory(), true)) {
return null;
}
}
// places it into the tileEntity is possible since its in the player
// inventory
else if (!this.mergeItemStack(stackInSlot, 0, tileEntity.getSizeInventory(), false)) {
return null;
}
if (stackInSlot.stackSize == 0) {
slotObject.putStack(null);
} else {
slotObject.onSlotChanged();
}
if (stackInSlot.stackSize == stack.stackSize) {
return null;
}
slotObject.onPickupFromSlot(player, stackInSlot);
}
return stack;
}
@Override
public boolean canInteractWith(EntityPlayer player) {
return tileEntity.isUseableByPlayer(player);
}