44 lines
977 B
GDScript
44 lines
977 B
GDScript
extends Node
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class_name CallbackMap
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var callbacks := {}
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var single_callbacks: Array = []
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func add(key: Variant, callback: Callable) -> void:
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_validate_key(key)
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if callbacks.has(key):
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callbacks[key].append(callback)
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else:
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callbacks[key] = [callback]
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func add_once(key: Variant, callback: Callable) -> void:
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_validate_key(key)
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single_callbacks.append(callback)
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add(key, callback)
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func remove(key: Variant, callback: Callable) -> void:
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_validate_key(key)
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if callbacks.has(key):
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callbacks[key].erase(callback)
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if single_callbacks.has(callback):
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single_callbacks.erase(callback)
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func call_key(key: Variant, args: Array) -> void:
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_validate_key(key)
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if callbacks.has(key):
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for callback in callbacks[key]:
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callback.callv(args)
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if single_callbacks.has(callback):
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remove(key, callback)
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func _validate_key(key: Variant):
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assert(typeof(key) == TYPE_STRING||typeof(key) == TYPE_INT||typeof(key) == TYPE_FLOAT, "key must be a string or number")
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