64 lines
1.8 KiB
C#
64 lines
1.8 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.Drawing;
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using OpenRA.Traits;
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using OpenRA.Graphics;
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namespace OpenRA.Mods.RA
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{
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class ChronoshiftPaletteEffectInfo : TraitInfo<ChronoshiftPaletteEffect> { }
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public class ChronoshiftPaletteEffect : IPaletteModifier, ITick
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{
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const int chronoEffectLength = 20;
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int remainingFrames;
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public void Enable()
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{
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remainingFrames = chronoEffectLength;
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}
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public void Tick(Actor self)
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{
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if (remainingFrames > 0)
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remainingFrames--;
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}
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public void AdjustPalette(Bitmap b)
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{
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if (remainingFrames == 0)
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return;
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var frac = (float)remainingFrames / chronoEffectLength;
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// TODO: Fix me to only affect "world" palettes
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for( var y = 0; y < b.Height; y++ )
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for (var x = 0; x < 256; x++)
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{
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var orig = b.GetPixel(x, y);
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var lum = (int)(255 * orig.GetBrightness());
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var desat = Color.FromArgb(orig.A, lum, lum, lum);
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b.SetPixel(x, y, OpenRA.Graphics.Util.Lerp(frac, orig, desat));
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}
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}
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}
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}
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