Redot 4 node/scene communication: signals, EventBus, callbacks. Triggers on "how does X know about Y", "how does UI know when health changes", cross-scene or cross-system communication. Also trigger on get_parent(), get_node("../../"), or sibling-to-sibling direct calls in generated code.
Redot 4 node/scene communication: signals, EventBus, callbacks. Triggers on "how does X know about Y", "how does UI know when health changes", cross-scene or cross-system communication. Also trigger on get_parent(), get_node("../../"), or sibling-to-sibling direct calls in generated code.