wehub-resource-sync
37 lines
1.1 KiB
C#
37 lines
1.1 KiB
C#
namespace Lib.io.audio
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{
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/// <summary>
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/// Shared utility methods for audio player operators.
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/// </summary>
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internal static class AudioPlayerUtils
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{
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/// <summary>
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/// Computes a stable GUID from an instance path for operator identification.
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/// </summary>
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public static Guid ComputeInstanceGuid(IEnumerable<Guid> instancePath)
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{
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unchecked
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{
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ulong hash = 0xCBF29CE484222325;
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const ulong prime = 0x100000001B3;
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foreach (var id in instancePath)
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{
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var bytes = id.ToByteArray();
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foreach (var b in bytes)
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{
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hash ^= b;
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hash *= prime;
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}
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}
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var guidBytes = new byte[16];
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var hashBytes = BitConverter.GetBytes(hash);
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Array.Copy(hashBytes, 0, guidBytes, 0, 8);
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Array.Copy(hashBytes, 0, guidBytes, 8, 8);
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return new Guid(guidBytes);
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}
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}
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}
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}
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