32 lines
890 B
C#
32 lines
890 B
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using CubicNoise.Noisers;
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namespace CubicNoise
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{
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public static class Extensions
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{
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// Source: https://andrewlock.net/why-is-string-gethashcode-different-each-time-i-run-my-program-in-net-core/
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public static int GetDeterministicHashCode(this string str)
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{
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unchecked
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{
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var hash1 = (5381 << 16) + 5381;
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var hash2 = hash1;
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for (var i = 0; i < str.Length; i += 2)
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{
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hash1 = ((hash1 << 5) + hash1) ^ str[i];
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if (i == str.Length - 1)
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break;
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hash2 = ((hash2 << 5) + hash2) ^ str[i + 1];
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}
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return hash1 + (hash2 * 1566083941);
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}
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}
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}
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}
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