27 lines
503 B
GDScript
27 lines
503 B
GDScript
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extends Object
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const atomicInt: Array = [0]
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const mutex = [false, null]
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static func getMutex() -> Mutex:
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if mutex[0]:
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return mutex[1]
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var mutexInstance = Mutex.new()
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mutex[1] = mutexInstance
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return mutexInstance
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# 获取本地int的唯一id，如果达到最大值则重新从最小值重新计算，线程安全
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static func getLocalIntId() -> int:
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var mutexInstance = getMutex()
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mutexInstance.lock()
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var id = atomicInt[0]
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atomicInt[0] = id + 1
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mutexInstance.unlock()
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return id
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