be7fc57cdd
These are used to filter *Renderables that shouldn't be copied for things like highlight or shadow.
48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 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.Traits;
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using OpenRA.Mods.RA.Air;
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namespace OpenRA.Mods.RA.Render
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{
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class WithShadowInfo : TraitInfo<WithShadow> {}
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class WithShadow : IRenderModifier
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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("shadow"))
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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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