Last active
December 22, 2023 16:04
-
-
Save freehuntx/8471a14f4d9b54ece3634b53d94412fe to your computer and use it in GitHub Desktop.
Godot Eventemitter
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| class_name EventEmitter extends RefCounted | |
| var _listeners := {} | |
| func emit(name: String, args:=[]): | |
| if not name in _listeners: return | |
| for e in _listeners[name]: | |
| e.fn.callv(args) | |
| _listeners[name] = _listeners[name].filter(func(e): return not e.once) | |
| func once(name: String, fn: Callable) -> Callable: | |
| return on(name, fn, true) | |
| func on(name: String, fn: Callable, once:=false) -> Callable: | |
| if not name in _listeners: _listeners[name] = [] | |
| _listeners[name].append({ "fn": fn, "once": once }) | |
| return off.bind(name, fn, once) | |
| func off(name: String, fn: Callable, once:=false) -> void: | |
| if not name in _listeners: return | |
| _listeners[name] = _listeners[name].filter(func(e): return e.fn != fn and e.once != once) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment