76 lines
2.3 KiB
C#
76 lines
2.3 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using OpenRA.Graphics;
|
|
using OpenRA.Primitives;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Traits.Render
|
|
{
|
|
[Desc("Clones the actor sprite with another palette below it.")]
|
|
public class WithShadowInfo : ConditionalTraitInfo
|
|
{
|
|
[PaletteReference]
|
|
public readonly string Palette = "shadow";
|
|
|
|
[Desc("Shadow position offset relative to actor position (ground level).")]
|
|
public readonly WVec Offset = WVec.Zero;
|
|
|
|
[Desc("Shadow Z offset relative to actor sprite.")]
|
|
public readonly int ZOffset = -5;
|
|
|
|
public override object Create(ActorInitializer init) { return new WithShadow(this); }
|
|
}
|
|
|
|
public class WithShadow : ConditionalTrait<WithShadowInfo>, IRenderModifier
|
|
{
|
|
readonly WithShadowInfo info;
|
|
|
|
public WithShadow(WithShadowInfo info)
|
|
: base(info)
|
|
{
|
|
this.info = info;
|
|
}
|
|
|
|
IEnumerable<IRenderable> IRenderModifier.ModifyRender(Actor self, WorldRenderer wr, IEnumerable<IRenderable> r)
|
|
{
|
|
if (IsTraitDisabled)
|
|
return r;
|
|
|
|
// Contrails shouldn't cast shadows
|
|
var height = self.World.Map.DistanceAboveTerrain(self.CenterPosition).Length;
|
|
var shadowSprites = r.Where(s => !s.IsDecoration && s is IPalettedRenderable)
|
|
.Select(a => ((IPalettedRenderable)a).WithPalette(wr.Palette(info.Palette))
|
|
.OffsetBy(info.Offset - new WVec(0, 0, height))
|
|
.WithZOffset(a.ZOffset + (height + info.ZOffset))
|
|
.AsDecoration());
|
|
|
|
return shadowSprites.Concat(r);
|
|
}
|
|
|
|
IEnumerable<Rectangle> IRenderModifier.ModifyScreenBounds(Actor self, WorldRenderer wr, IEnumerable<Rectangle> bounds)
|
|
{
|
|
foreach (var r in bounds)
|
|
yield return r;
|
|
|
|
if (IsTraitDisabled)
|
|
yield break;
|
|
|
|
var height = self.World.Map.DistanceAboveTerrain(self.CenterPosition).Length;
|
|
var offset = wr.ScreenPxOffset(info.Offset - new WVec(0, 0, height));
|
|
foreach (var r in bounds)
|
|
yield return new Rectangle(r.X + offset.X, r.Y + offset.Y, r.Width, r.Height);
|
|
}
|
|
}
|
|
}
|