46 lines
1.1 KiB
GDScript
46 lines
1.1 KiB
GDScript
extends RefCounted
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class_name Guid
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var bytes: PackedByteArray
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static func new_guid() -> Guid:
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var guid = Guid.new()
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guid.bytes = _generate_random_bytes(16)
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# Set UUID version (4) and variant bits
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guid.bytes[6] = (guid.bytes[6] & 0x0F) | 0x40
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guid.bytes[8] = (guid.bytes[8] & 0x3F) | 0x80
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return guid
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static func from_string(input: String) -> Guid:
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var clean = input.replace("-", "")
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if clean.length() != 32:
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push_error("Invalid GUID string format")
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return null
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var guid = Guid.new()
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guid.bytes = PackedByteArray()
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for i in range(0, 32, 2):
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guid.bytes.append(clean.substr(i, 2).hex_to_int())
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return guid
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func _to_string() -> String:
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var hex = ""
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for b in bytes:
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hex += "%02x" % b
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return (
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hex.substr(0,8) + "-" +
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hex.substr(8,4) + "-" +
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hex.substr(12,4) + "-" +
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hex.substr(16,4) + "-" +
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hex.substr(20,12)
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)
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func to_base64() -> String:
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return Marshalls.raw_to_base64(bytes)
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# --- internal ---
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static func _generate_random_bytes(length: int) -> PackedByteArray:
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var arr = PackedByteArray()
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for i in range(length):
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arr.append(randi() & 0xFF)
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return arr
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