22 lines
455 B
GDScript
22 lines
455 B
GDScript
extends RefCounted
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## Structure of item and amount of it. Basic object that more complex exchange
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class_name Stack
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func _init(item: Item = null, amount: int = 0) -> void:
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held_item = item
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self.amount = amount
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## Item in stack
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@export_storage var held_item : Item
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## Amount of items in stack
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@export_storage var amount : int
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func invalidate() -> void:
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held_item = null
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amount = 0
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func is_valid() -> bool:
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return held_item != null or amount > 0
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