42 lines
1.0 KiB
GDScript
42 lines
1.0 KiB
GDScript
# Note: The code might not be as pretty it could be, since it's written
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# in a way that maximizes performance. Methods are inlined and loops are avoided.
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extends Node
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const MODULO_8_BIT = 256
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static func getRandomInt():
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# Randomize every time to minimize the risk of collisions
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randomize()
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return randi() % MODULO_8_BIT
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static func uuidbin():
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# 16 random bytes with the bytes on index 6 and 8 modified
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return [
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getRandomInt(), getRandomInt(), getRandomInt(), getRandomInt(),
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getRandomInt(), getRandomInt(), ((getRandomInt()) & 0x0f) | 0x40, getRandomInt(),
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((getRandomInt()) & 0x3f) | 0x80, getRandomInt(), getRandomInt(), getRandomInt(),
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getRandomInt(), getRandomInt(), getRandomInt(), getRandomInt(),
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]
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static func v4():
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# 16 random bytes with the bytes on index 6 and 8 modified
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var b = uuidbin()
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return '%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x' % [
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# low
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b[0], b[1], b[2], b[3],
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# mid
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b[4], b[5],
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# hi
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b[6], b[7],
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# clock
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b[8], b[9],
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# clock
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b[10], b[11], b[12], b[13], b[14], b[15]
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]
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