61 lines
1.6 KiB
C#
61 lines
1.6 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2014 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;
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Mods.RA.Air;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA.Render
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{
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[Desc("Clones the aircraft sprite with another palette below it.")]
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class WithShadowInfo : ITraitInfo
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{
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public readonly string Palette = "shadow";
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public object Create(ActorInitializer init) { return new WithShadow(this); }
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}
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class WithShadow : IRenderModifier
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{
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WithShadowInfo info;
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public WithShadow(WithShadowInfo info)
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{
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this.info = info;
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}
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public IEnumerable<IRenderable> ModifyRender(Actor self, WorldRenderer wr, IEnumerable<IRenderable> r)
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{
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var ios = self.Trait<IOccupySpace>();
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/* rude hack */
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var flying = ios.CenterPosition.Z > 0;
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var visualOffset = (ios is Helicopter && flying)
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? (int)Math.Abs((self.ActorID + Game.LocalTick) / 5 % 4 - 1) - 1 : 0;
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// Contrails shouldn't cast shadows
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var shadowSprites = r.Where(s => !s.IsDecoration)
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.Select(a => a.WithPalette(wr.Palette(info.Palette))
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.OffsetBy(new WVec(0, 0, -a.Pos.Z))
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.WithZOffset(a.ZOffset + a.Pos.Z)
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.AsDecoration());
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var worldVisualOffset = new WVec(0,0,-43*visualOffset);
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var flyingSprites = !flying ? r :
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r.Select(a => a.OffsetBy(worldVisualOffset));
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return shadowSprites.Concat(flyingSprites);
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}
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}
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}
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