65 lines
1.8 KiB
C#
65 lines
1.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2022 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, 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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[Desc("Display a colored overlay when a timed condition is active.")]
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public class WithColoredOverlayInfo : ConditionalTraitInfo
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{
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[Desc("Color to overlay.")]
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public readonly Color Color = Color.FromArgb(128, 128, 0, 0);
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public override object Create(ActorInitializer init) { return new WithColoredOverlay(this); }
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}
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public class WithColoredOverlay : ConditionalTrait<WithColoredOverlayInfo>, IRenderModifier
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{
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readonly float3 tint;
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readonly float alpha;
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public WithColoredOverlay(WithColoredOverlayInfo info)
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: base(info)
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{
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tint = new float3(info.Color.R, info.Color.G, info.Color.B) / 255f;
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alpha = info.Color.A / 255f;
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}
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IEnumerable<IRenderable> IRenderModifier.ModifyRender(Actor self, WorldRenderer wr, IEnumerable<IRenderable> r)
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{
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if (IsTraitDisabled)
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return r;
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return ModifiedRender(r);
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}
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IEnumerable<IRenderable> ModifiedRender(IEnumerable<IRenderable> r)
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{
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foreach (var a in r)
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{
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yield return a;
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if (!a.IsDecoration && a is IModifyableRenderable ma)
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yield return ma.WithTint(tint, ma.TintModifiers | TintModifiers.ReplaceColor).WithAlpha(alpha);
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}
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}
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IEnumerable<Rectangle> IRenderModifier.ModifyScreenBounds(Actor self, WorldRenderer wr, IEnumerable<Rectangle> bounds)
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{
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return bounds;
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}
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}
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}
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