78 lines
2.7 KiB
C#
78 lines
2.7 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright (c) The OpenRA Developers and Contributors
|
|
* 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
|
|
{
|
|
[Desc("Color to draw shadow.")]
|
|
public readonly Color ShadowColor = Color.FromArgb(140, 0, 0, 0);
|
|
|
|
[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;
|
|
readonly float3 shadowColor;
|
|
readonly float shadowAlpha;
|
|
|
|
public WithShadow(WithShadowInfo info)
|
|
: base(info)
|
|
{
|
|
this.info = info;
|
|
shadowColor = new float3(info.ShadowColor.R, info.ShadowColor.G, info.ShadowColor.B) / 255f;
|
|
shadowAlpha = info.ShadowColor.A / 255f;
|
|
}
|
|
|
|
IEnumerable<IRenderable> IRenderModifier.ModifyRender(Actor self, WorldRenderer wr, IEnumerable<IRenderable> r)
|
|
{
|
|
if (IsTraitDisabled)
|
|
return r;
|
|
|
|
var renderables = r.ToList();
|
|
var height = self.World.Map.DistanceAboveTerrain(self.CenterPosition).Length;
|
|
var shadowSprites = renderables.Where(s => !s.IsDecoration && s is IModifyableRenderable)
|
|
.Select(ma => ((IModifyableRenderable)ma).WithTint(shadowColor, ((IModifyableRenderable)ma).TintModifiers | TintModifiers.ReplaceColor)
|
|
.WithAlpha(shadowAlpha)
|
|
.OffsetBy(info.Offset - new WVec(0, 0, height))
|
|
.WithZOffset(ma.ZOffset + height + info.ZOffset)
|
|
.AsDecoration());
|
|
|
|
return shadowSprites.Concat(renderables);
|
|
}
|
|
|
|
IEnumerable<Rectangle> IRenderModifier.ModifyScreenBounds(Actor self, WorldRenderer wr, IEnumerable<Rectangle> bounds)
|
|
{
|
|
if (IsTraitDisabled)
|
|
return bounds;
|
|
|
|
var boundsList = bounds.ToList();
|
|
var height = self.World.Map.DistanceAboveTerrain(self.CenterPosition).Length;
|
|
var offset = wr.ScreenPxOffset(info.Offset - new WVec(0, 0, height));
|
|
return boundsList.Concat(boundsList.Select(r => new Rectangle(r.X + offset.X, r.Y + offset.Y, r.Width, r.Height)));
|
|
}
|
|
}
|
|
}
|