76 lines
2.6 KiB
GDScript
76 lines
2.6 KiB
GDScript
tool
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extends Node
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class_name DialogicCustomEvents
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# references to the nodes with the handler script
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# to be used later by the "event_handler"
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# keys: event_id
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# values: reference to handler node.
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var handlers : = {}
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## -----------------------------------------------------------------------------
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## Loops through the custom events folder and creates a handler node
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## for every custom event.
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##
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## To handle a custom event simply check if the event_id is in the handlers dicionary keys,
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## then get the value (which is the handler node) to call its hadler function
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func update() -> void:
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var path : String = DialogicResources.get_working_directories()["CUSTOM_EVENTS_DIR"]
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var dir = Directory.new()
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if dir.open(path) == OK:
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dir.list_dir_begin()
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var file_name = dir.get_next()
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# goes through all the folders in the custom events folder
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while file_name != "":
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# if it found a folder
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if dir.current_is_dir() and not file_name in ['.', '..']:
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# look through that folder
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#print("Found custom event folder: " + file_name)
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var event = load(path.plus_file(file_name).plus_file('EventBlock.tscn')).instance()
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if event:
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var handler_script_path = path.plus_file(file_name).plus_file('event_'+event.event_data['event_id']+'.gd')
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var event_id = event.event_data['event_id']
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var event_name = event.event_name
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# not necesary, we now have the data in the handlers dict
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#custom_events[event.event_data['event_id']] = {
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# 'event_script' : handler_script_path,
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# 'event_name' : event.event_name,
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#}
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# Check if we already have a handler node for this event.
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if handlers.has(event_id):
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#print("Custom event ",event_id," already loaded")
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#print("Continuing...")
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file_name = dir.get_next()
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continue
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else:
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#print("No handler node for event ",event_id," found.")
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#print("Creating...")
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# create a node for the custom event an attach the script
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var handler = Node.new()
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handler.set_script(load(handler_script_path))
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handler.set_name(event_name)
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# not really necessary, but just in case
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handler.set_meta("event_id",event_id)
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#add data to dictionary
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handlers[event_id] = handler
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#add node as a child of this
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self.add_child(handler)
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event.queue_free()
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else:
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print("[D] An error occurred when trying to access a custom event.")
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else:
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pass # files in the directory are ignored
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file_name = dir.get_next()
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else:
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print("[D] An error occurred when trying to access the custom event folder.")
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