KISS Event Bus for Godot.

Events.gd

extends Node

# Be sure to AutoLoad me as a singleton

# Enumerate all your game events here...
enum {
	GAME_STARTED,
	GAME_OVER
}

var _event_names= [
	"GAME_STARTED",
	"GAME_OVER"
]

signal on_message(type, payload)

func dispatch(type, payload = {}):
	print_debug(" » ", _event_names[type], " ", payload)
	emit_signal("on_message", type, payload)

func get_event_name(type):
  return _event_names[type]

Usage_1.gd

extends Node

func _ready():
  ## Subscribe to game events:
  Events.connect("on_message", self, "_on_game_event")
  
  ## Dispatch game events
  Events.dispatch(Events.GAME_STARTED)

func _on_game_event(type, payload):
  match type:
    Events.GAME_STARTED:
      print("Game has started!")