58 lines
1.4 KiB
C#
58 lines
1.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 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.Collections.Generic;
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using System.Drawing;
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using OpenRA.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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using GUtil = OpenRA.Graphics.Util;
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[Desc("Apply palette full screen rotations during atom bomb explosions. Add this to the world actor.")]
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class NukePaletteEffectInfo : TraitInfo<NukePaletteEffect> { }
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public class NukePaletteEffect : IPaletteModifier, ITick
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{
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const int NukeEffectLength = 20;
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int remainingFrames;
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public void Enable()
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{
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remainingFrames = NukeEffectLength;
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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(IReadOnlyDictionary<string, MutablePalette> palettes)
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{
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if (remainingFrames == 0)
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return;
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var frac = (float)remainingFrames / NukeEffectLength;
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foreach (var pal in palettes)
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{
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for (var x = 0; x < Palette.Size; x++)
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{
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var orig = pal.Value.GetColor(x);
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var final = GUtil.PremultipliedColorLerp(frac, orig, GUtil.PremultiplyAlpha(Color.FromArgb(orig.A, Color.White)));
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pal.Value.SetColor(x, final);
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}
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}
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}
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}
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}
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