79 lines
1.4 KiB
GDScript3
79 lines
1.4 KiB
GDScript3
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var thread
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var mutex:Mutex
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var sem:Semaphore
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var finishing = false
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var time_max = 100 # msec
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var resource_loaded
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var resource_path
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var loader:ResourceInteractiveLoader
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func start_loading(path):
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mutex.lock()
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resource_loaded = null
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resource_path = path
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# check if it is already loaded
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if ResourceLoader.has(path):
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var res = ResourceLoader.load(path)
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resource_path = res
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else:
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loader = ResourceLoader.load_interactive(path)
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# start loading file
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if loader:
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sem.post()
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else :
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var res = ResourceLoader.load(path)
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resource_loaded = res
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mutex.unlock()
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func get_progress():
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mutex.lock()
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var ret = -1
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if loader:
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ret = float(loader.get_stage()) / float(loader.get_stage_count())
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elif resource_path:
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ret = 0
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else:
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ret = 1.0
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mutex.unlock()
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return ret
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func _wait_for_resource():
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while resource_loaded == null:
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OS.delay_usec(16000)
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if get_progress() == 1:
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break
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return resource_loaded
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func get_resource():
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return _wait_for_resource()
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func thread_process():
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sem.wait()
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if finishing:
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return
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while loader:
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var ret = loader.poll()
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if ret == ERR_FILE_EOF || ret != OK:
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resource_loaded = loader.get_resource()
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loader = null
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func thread_func(u):
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while not finishing:
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thread_process()
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func start():
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mutex = Mutex.new()
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sem = Semaphore.new()
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thread = Thread.new()
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thread.start(self, "thread_func", 0)
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func stop():
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mutex.lock()
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finishing = true
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sem.post()
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mutex.unlock()
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thread.wait_to_finish()
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