Broken pos

scripts/inventory/inventory_slot.gd

@@ -28,6 +28,8 @@ class_name InventorySlot
 	get:
 		return amount
 
+@export_storage var filter : Comparable
+
 ## Get some amount of items from slot. Returns null if slot is empty
 func extract_stack(extract_amount: int) -> Stack:
 	if amount == 0:
@@ -53,9 +55,26 @@ func extract() -> Stack:
 	
 	return return_stack
 
+func as_stack() -> Stack:
+	if amount == 0:
+		return null
+	
+	var return_stack : Stack = Stack.new(held_item,amount)
+	
+	return return_stack
+
+func can_be_merged(item : Item) -> bool:
+	if filter != null:
+		return filter.is_equal(item)
+	if amount == 0:
+		return true
+	return item == held_item
+
 ## Add provided stack's amount to this amount. Returns null if stack is empty or items arent matching
 func merge_stack(stack: Stack) -> Stack:
 	if held_item == null:
+		if filter != null and filter.is_equal(stack.held_item) == false:
+			return stack
 		held_item = stack.held_item
 		amount = stack.amount
 		return null