41 lines
856 B
GDScript3
41 lines
856 B
GDScript3
|
extends Node
|
||
|
|
|
||
|
|
class_name CallbackMap
|
||
|
|
|
||
|
|
var callbacks := {}
|
||
|
|
|
||
|
|
func add(key: Variant, callback: Callable) -> void:
|
||
|
|
_validate_key(key)
|
||
|
|
|
||
|
|
if callbacks.has(key):
|
||
|
|
callbacks[key].append(callback)
|
||
|
|
else:
|
||
|
|
callbacks[key] = [callback]
|
||
|
|
|
||
|
|
func add_once(key: Variant, callback: Callable) -> void:
|
||
|
|
_validate_key(key)
|
||
|
|
|
||
|
|
var fn: Callable
|
||
|
|
|
||
|
|
fn = func(args: Array):
|
||
|
|
remove(key, fn)
|
||
|
|
callback.callv(args)
|
||
|
|
|
||
|
|
add(key, fn)
|
||
|
|
|
||
|
|
func remove(key: Variant, callback: Callable) -> void:
|
||
|
|
_validate_key(key)
|
||
|
|
|
||
|
|
if callbacks.has(key):
|
||
|
|
callbacks[key].erase(callback)
|
||
|
|
|
||
|
|
func call_key(key: Variant, args: Array) -> void:
|
||
|
|
_validate_key(key)
|
||
|
|
|
||
|
|
if callbacks.has(key):
|
||
|
|
for callback in callbacks[key]:
|
||
|
|
callback.callv(args)
|
||
|
|
|
||
|
|
func _validate_key(key: Variant):
|
||
|
|
assert(typeof(key) == TYPE_STRING || typeof(key) == TYPE_INT || typeof(key) == TYPE_FLOAT, "key must be a string or number")
|