Item void

scripts/inventory/inventory_slot.gd

@@ -20,6 +20,7 @@ class_name InventorySlot
 			amount = 0
 			return
 		if held_item == null:
+			amount = 0
 			return
 		if value > held_item.stack_size:
 			amount = held_item.stack_size
@@ -66,7 +67,7 @@ func as_stack() -> Stack:
 func can_be_merged(item : Item) -> bool:
 	if filter != null:
 		return filter.is_equal(item)
-	if amount == 0:
+	if amount <= 0:
 		return true
 	return item == held_item
 

scripts/inventory/storage.gd

@@ -44,7 +44,7 @@ func add(stack: Stack, _context: InventoryContext = null) -> Stack:
 		if stack.is_valid() == false:
 			return null
 	for i in range(len(internal_array)):
-		if internal_array[i].held_item == null or internal_array[i].held_item == stack.held_item:
+		if internal_array[i].can_be_merged(stack.held_item):
 			stack_added.emit(stack,i)
 			internal_array[i].merge_stack(stack)
 		if stack.is_valid() == false:
@@ -54,13 +54,13 @@ func add(stack: Stack, _context: InventoryContext = null) -> Stack:
 func can_add(item : Item = null, _context: InventoryContext = null) -> bool:
 	if item == null:
 		for i in range(capacity):
-			return internal_array[i].amount == 0
+			if internal_array[i].can_be_merged(item):
+				return true
 		return false
 	else:
 		for i in range(capacity):
-			if internal_array[i].amount == 0:
-				return (internal_array[i].filter != null and internal_array[i].filter.is_equal(item)) or internal_array[i].filter == null
-			return internal_array[i].held_item.is_equal(item)
+			if internal_array[i].can_be_merged(item):
+				return true
 	return false
 
 ## Tries to take first item. Returns null if no items in inventory

scripts/inventory/void_inventory.gd

@@ -0,0 +1,29 @@
+extends Inventory
+
+## Base class for simple storages with no differentiation.
+
+class_name VoidInventory
+
+
+## Tries to add an item into inventory. Returns not stored stack of item.
+func add(stack : Stack, context: InventoryContext = null) -> Stack:
+	return null
+
+## Returns if conditions of adding are met
+func can_add(item : Item = null, context: InventoryContext = null) -> bool:
+	return true
+
+## Tries to take first item. Returns null if no items in inventory
+func pop() -> Stack:
+	return null
+
+func peek() -> Stack:
+	return null
+
+## Tries to take certain item from inventory. Returns null if no item found
+func take(item : Item,amount: int) -> Stack:
+	return null
+
+## Finds first entry of item. Returns -1 if no item found
+func find(item : Item) -> int:
+	return -1

scripts/inventory/void_inventory.gd.uid

@@ -0,0 +1 @@
+uid://conadqnb0asi0

scripts/structures/trash_can.gd

@@ -1,9 +0,0 @@
-extends StructureBehaviour
-
-@onready var inventory : Storage = structure_parent.inventory
-
-func _ready() -> void:
-	inventory.stack_added.connect(on_stack_added)
-
-func on_stack_added(_stack : Stack, _position: int) -> void:
-	inventory.internal_array[0].amount = 0

scripts/structures/trash_can.gd.uid

@@ -1 +0,0 @@
-uid://dwx8y8c6guldd