84 lines
2.3 KiB
C#
84 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using OpenRA.Graphics;
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using OpenRA.Primitives;
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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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[TraitLocation(SystemActors.World | SystemActors.EditorWorld)]
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[Desc("Used for bursted one-colored whole screen effects. Add this to the world actor.")]
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public class FlashPaletteEffectInfo : TraitInfo
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{
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public readonly HashSet<string> ExcludePalettes = new HashSet<string> { "cursor", "chrome", "colorpicker", "fog", "shroud" };
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[Desc("Measured in ticks.")]
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public readonly int Length = 20;
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public readonly Color Color = Color.White;
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[Desc("Set this when using multiple independent flash effects.")]
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public readonly string Type = null;
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public override object Create(ActorInitializer init) { return new FlashPaletteEffect(this); }
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}
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public class FlashPaletteEffect : IPaletteModifier, ITick
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{
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public readonly FlashPaletteEffectInfo Info;
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public FlashPaletteEffect(FlashPaletteEffectInfo info)
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{
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Info = info;
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}
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int remainingFrames;
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public void Enable(int ticks)
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{
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if (ticks == -1)
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remainingFrames = Info.Length;
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else
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remainingFrames = ticks;
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}
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void ITick.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 / Info.Length;
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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 c = Info.Color;
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var color = Color.FromArgb(orig.A, ((int)c.R).Clamp(0, 255), ((int)c.G).Clamp(0, 255), ((int)c.B).Clamp(0, 255));
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var final = GUtil.PremultipliedColorLerp(frac, orig, GUtil.PremultiplyAlpha(Color.FromArgb(orig.A, color)));
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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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