65 lines
1.9 KiB
C#
65 lines
1.9 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.Traits;
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namespace OpenRA.Mods.Cnc.Traits
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{
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[TraitLocation(SystemActors.World | SystemActors.EditorWorld)]
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[Desc("Palette effect used for blinking \"animations\" on actors.")]
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sealed class LightPaletteRotatorInfo : TraitInfo
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{
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[Desc("Palettes this effect should not apply to.")]
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public readonly HashSet<string> ExcludePalettes = new();
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[Desc("'Speed' at which the effect cycles through palette indices.")]
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public readonly float TimeStep = .5f;
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[Desc("Palette index to map to rotating color indices.")]
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public readonly int ModifyIndex = 103;
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[Desc("Palette indices to rotate through.")]
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public readonly int[] RotationIndices = { 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 238, 237, 236, 235, 234, 233, 232, 231 };
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public override object Create(ActorInitializer init) { return new LightPaletteRotator(this); }
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}
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sealed class LightPaletteRotator : ITick, IPaletteModifier
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{
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readonly LightPaletteRotatorInfo info;
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float t = 0;
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public LightPaletteRotator(LightPaletteRotatorInfo info)
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{
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this.info = info;
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}
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void ITick.Tick(Actor self)
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{
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t += info.TimeStep;
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}
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void IPaletteModifier.AdjustPalette(IReadOnlyDictionary<string, MutablePalette> palettes)
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{
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foreach (var pal in palettes)
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{
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if (info.ExcludePalettes.Contains(pal.Key))
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continue;
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var rotate = (int)t % info.RotationIndices.Length;
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pal.Value.SetColor(info.ModifyIndex, pal.Value.GetColor(info.RotationIndices[rotate]));
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}
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}
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}
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}
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