mirror of
https://github.com/RHeavenStudioPlus/HeavenStudioPlus.git
synced 2024-11-16 06:35:08 +00:00
d3c3beb950
- fix controller feature flags not actually being flags
71 lines
No EOL
2.4 KiB
C#
71 lines
No EOL
2.4 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace HeavenStudio.Util
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{
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public static class BitwiseUtils
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{
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/// <summary>
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/// Returns the value of the lowest set bit in the given integer.
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/// </summary>
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/// <param name="num">The integer to check.</param>
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public static int FirstSetBit(int num)
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{
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return num & (-num);
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}
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/// <summary>
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/// Returns true if the wanted bit is set in the given integer.
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/// </summary>
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/// <param name="num">The integer to check.</param>
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/// <param name="want">The bit(s) to check for.</param>
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public static bool WantCurrent(int num, int want)
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{
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if (want <= 0) return false;
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return (num & want) == want;
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}
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/// <summary>
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/// Returns true if the wanted bit is set in the first integer, and not in the second.
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/// </summary>
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/// <param name="num1">The first integer to check.</param>
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/// <param name="num2">The second integer to check.</param>
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/// <param name="want">The bit(s) to check for.</param>
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public static bool WantCurrentAndNotLast(int num1, int num2, int want)
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{
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if (want <= 0) return false;
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return ((num1 & want) == want) && ((num2 & want) != want);
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}
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/// <summary>
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/// Returns true if the wanted bit is not set in the first integer, but set in the second.
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/// </summary>
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/// <param name="num1">The first integer to check.</param>
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/// <param name="num2">The second integer to check.</param>
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/// <param name="want">The bit(s) to check for.</param>
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public static bool WantNotCurrentAndLast(int num1, int num2, int want)
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{
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if (want <= 0) return false;
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return ((num1 & want) != want) && ((num2 & want) == want);
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}
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public static Color IntToRgb(int value)
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{
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var red = ( value >> 16 ) & 255;
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var green = ( value >> 8 ) & 255;
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var blue = ( value >> 0 ) & 255;
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return new Color(red/255f, green/255f, blue/255f);
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}
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public static int RgbToInt(Color color)
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{
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var red = (int)(color.r * 255);
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var green = (int)(color.g * 255);
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var blue = (int)(color.b * 255);
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return (red << 16) | (green << 8) | blue;
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}
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}
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} |