44 lines
1021 B
C#
44 lines
1021 B
C#
using System.Drawing;
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using OpenRa.Game.Graphics;
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namespace OpenRa.Game.Traits
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{
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// this is NOT bound through rules (it belongs on the world actor!)
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// so no *Info required
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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 ChronoshiftPaletteEffect(Actor self) { }
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public void DoChronoshift()
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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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for( var y = 0; y < (int)PaletteType.Chrome; 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, 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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