Add support for voxels in actor previews.

OpenRA.Mods.RA/Graphics/VoxelActorPreview.cs

@@ -0,0 +1,58 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using OpenRA.Graphics;
+using OpenRA.Mods.RA.Render;
+using OpenRA.Primitives;
+
+namespace OpenRA.Mods.RA.Graphics
+{
+	public class VoxelPreview : IActorPreview
+	{
+		readonly VoxelAnimation[] components;
+		readonly RenderVoxelsInfo rvi;
+		readonly WRot lightSource;
+		readonly WRot camera;
+
+		readonly PaletteReference colorPalette;
+		readonly PaletteReference normalsPalette;
+		readonly PaletteReference shadowPalette;
+
+		readonly WVec offset;
+		readonly int zOffset;
+
+		public VoxelPreview(VoxelAnimation[] components, WVec offset, int zOffset, RenderVoxelsInfo rvi, WAngle cameraPitch,
+			PaletteReference colorPalette, PaletteReference normalsPalette, PaletteReference shadowPalette)
+		{
+			this.components = components;
+			this.rvi = rvi;
+			lightSource = new WRot(WAngle.Zero,new WAngle(256) - rvi.LightPitch, rvi.LightYaw);
+			camera = new WRot(WAngle.Zero, cameraPitch - new WAngle(256), new WAngle(256));
+
+			this.colorPalette = colorPalette;
+			this.normalsPalette = normalsPalette;
+			this.shadowPalette = shadowPalette;
+
+			this.offset = offset;
+			this.zOffset = zOffset;
+		}
+
+		public void Tick() { /* not supported */ }
+
+		public IEnumerable<IRenderable> Render(WorldRenderer wr, WPos pos)
+		{
+			yield return new VoxelRenderable(components, pos + offset, zOffset, camera, rvi.Scale,
+				lightSource, rvi.LightAmbientColor, rvi.LightDiffuseColor,
+				colorPalette, normalsPalette, shadowPalette);
+		}
+	}
+}