mirror of
https://github.com/kwsch/PKHeX
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10c5adadb8
Add more xmldoc Move files/functions to better spot Less allocation on hover glow fix honeytree dppt group/slot/shake rand call (ty real.96)
81 lines
3.1 KiB
C#
81 lines
3.1 KiB
C#
using System;
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using System.Drawing;
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namespace PKHeX.Drawing;
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/// <summary>
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/// Utility class for manipulating <see cref="Color"/> values.
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/// </summary>
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public static class ColorUtil
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{
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/// <summary> Clamps absurdly high stats to a reasonable cap. </summary>
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private const byte MaxStat = 180;
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/// <summary> Ensures the color does not go below this value. </summary>
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private const byte MinStat = 0;
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/// <summary> Shift the color total down a little as the BST floor isn't 0. </summary>
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private const byte ShiftDownBST = 175;
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/// <summary> Divide by a fudge factor so that we're roughly within the range of a single stat. </summary>
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private const float ShiftDivBST = 3;
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/// <summary>
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/// Gets the <see cref="Color"/> value for the specified <see cref="stat"/> value.
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/// </summary>
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/// <param name="stat">Single stat value</param>
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public static Color ColorBaseStat(int stat)
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{
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// Red to Yellow to Green, no Blue component.
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var x = (uint)stat >= MaxStat ? 1f : ((float)stat) / MaxStat;
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return GetPastelRYG(x);
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}
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/// <summary>
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/// Gets the <see cref="Color"/> value for the specified <see cref="bst"/> value.
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/// </summary>
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/// <param name="bst">Base Stat Total</param>
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public static Color ColorBaseStatTotal(int bst)
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{
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var sumToSingle = Math.Max(MinStat, bst - ShiftDownBST) / ShiftDivBST;
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return ColorBaseStat((int)sumToSingle);
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}
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/// <summary>
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/// Gets a pastel color from Red to Yellow to Green with a 40%/60% blend with White.
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/// </summary>
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/// <param name="x">Percentage of the way from Red to Green [0,1]</param>
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public static Color GetPastelRYG(float x)
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{
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var r = x > .5f ? 510 * (1 - x) : 255;
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var g = x > .5f ? 255 : 510 * x;
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// Blend with white to make it lighter rather than a darker shade.
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const float white = 0.4f;
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const byte b = (byte)(0xFF * (1 - white));
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var br = (byte)((r * white) + b);
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var bg = (byte)((g * white) + b);
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return Color.FromArgb(br, bg, b);
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}
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/// <summary>
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/// Combines two colors together with the specified amount.
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/// </summary>
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/// <param name="color">New color to layer atop</param>
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/// <param name="backColor">Original color to layer beneath</param>
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/// <param name="amount">Amount to prefer <see cref="color"/> over <see cref="backColor"/></param>
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public static Color Blend(Color color, Color backColor, double amount)
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{
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byte r = MixComponent(color.R, backColor.R, amount);
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byte g = MixComponent(color.G, backColor.G, amount);
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byte b = MixComponent(color.B, backColor.B, amount);
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return Color.FromArgb(r, g, b);
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}
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/// <summary>
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/// Combines two color components with the specified first color percent preference [0,1].
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/// </summary>
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/// <param name="a">First color's component</param>
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/// <param name="b">Second color's component</param>
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/// <param name="x">Percent preference of <paramref name="a"/> over <paramref name="b"/></param>
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public static byte MixComponent(byte a, byte b, double x) => (byte)((a * x) + (b * (1 - x)));
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}
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