59 lines
1.9 KiB
C#
59 lines
1.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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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 PlayerColorRemap(Color c1, Color c2, bool useSplitRamp)
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{
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var baseIndex = useSplitRamp ? 0xb0 : 80;
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var ramp = useSplitRamp
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? new[] { 0, 2, 4, 6, 8, 10, 13, 15, 1, 3, 5, 7, 9, 11, 12, 14 }
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: new[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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remapColors = ramp.Select((x, i) => Pair.New(baseIndex + i, ColorLerp(x / 16f, c1, c2)))
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.ToDictionary(u => u.First, u => u.Second);
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}
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static Color ColorLerp(float t, Color c1, Color c2)
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{
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return Color.FromArgb(255,
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(int)(t * c2.R + (1 - t) * c1.R),
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(int)(t * c2.G + (1 - t) * c1.G),
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(int)(t * c2.B + (1 - t) * c1.B));
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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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