40 lines
1.3 KiB
GDScript
40 lines
1.3 KiB
GDScript
@icon("res://components/Triggerer/radio.svg")
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extends Base
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## A trigger object to trigger things and read in triggers
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##
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## An object used for other objects to connect to for triggers.
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## Objects can call the read function with a callback function to
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## read in future triggers of a key to that callback. Objects can
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## then call the trigger function to trigger everything listening
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## to a key.
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var _connections = {}
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## Trigger an event to be read in by other objects
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func trigger(key: String, data: Dictionary = {}) -> void:
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#_info("Triggered key ∧%s∧" % [key])
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data.trigger = key
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if _connections.has(key):
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_connections[key] = _connections[key].filter(func(x): return x.is_valid())
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for callback in _connections[key]:
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callback.call(data)
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if _connections.has("any"):
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_connections["any"] = _connections["any"].filter(func(x): return x.is_valid())
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for callback in _connections["any"]:
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callback.call(data)
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## Read in future triggers of a key to a callback
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func listen(key: String, callback: Callable) -> void:
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if not _connections.has(key):
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_info("Created new connection key ∧%s∧" % [key])
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_connections[key] = []
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_info("Callback ∨%s∨ on →%s← added to key ∧%s∧" % [callback.get_method(), callback.get_object().name, key])
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_connections[key].push_back(callback)
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