56 lines
1.5 KiB
C#
Executable File
56 lines
1.5 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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namespace OpenRA.FileFormats
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{
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public class PlayerColorRemap : IPaletteRemap
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{
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Dictionary<int, Color> remapColors;
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public static int GetRemapIndex(int[] ramp, int i)
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{
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return ramp[i];
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}
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public PlayerColorRemap(int[] ramp, HSLColor c, float rampFraction)
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{
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// Increase luminosity if required to represent the full ramp
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var rampRange = (byte)((1 - rampFraction) * c.L);
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var c1 = new HSLColor(c.H, c.S, (byte)Math.Max(rampRange, c.L)).RGB;
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var c2 = new HSLColor(c.H, c.S, (byte)Math.Max(0, c.L - rampRange)).RGB;
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var baseIndex = ramp[0];
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var remapRamp = ramp.Select(r => r - ramp[0]).ToArray();
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// reversed remapping
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if (ramp[0] > ramp[15])
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{
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baseIndex = ramp[15];
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for (var i = 15; i > 0; i--)
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remapRamp = ramp.Select(r => r - ramp[15]).ToArray();
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}
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remapColors = remapRamp.Select((x, i) => Pair.New(baseIndex + i, Exts.ColorLerp(x / 16f, c1, c2)))
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.ToDictionary(u => u.First, u => u.Second);
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}
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public Color GetRemappedColor(Color original, int index)
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{
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Color c;
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return remapColors.TryGetValue(index, out c)
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? c : original;
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}
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}
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}
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