Everything is now OpenRA, not OpenRa

OpenRA.Game/Graphics/Sprite.cs

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+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it 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.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Drawing;
+
+namespace OpenRA.Graphics
+{
+	public class Sprite
+	{
+		public readonly Rectangle bounds;
+		public readonly Sheet sheet;
+		public readonly TextureChannel channel;
+		public readonly RectangleF uv;
+		public readonly float2 size;
+
+		readonly float2[] uvhax;
+
+		internal Sprite(Sheet sheet, Rectangle bounds, TextureChannel channel)
+		{
+			this.bounds = bounds;
+			this.sheet = sheet;
+			this.channel = channel;
+
+			uv = new RectangleF(
+					(float)(bounds.Left) / sheet.Size.Width,
+					(float)(bounds.Top) / sheet.Size.Height,
+					(float)(bounds.Width) / sheet.Size.Width,
+					(float)(bounds.Height) / sheet.Size.Height);
+
+			uvhax = new float2[]
+			{
+				new float2( uv.Left, uv.Top ),
+				new float2( uv.Right, uv.Top ),
+				new float2( uv.Left, uv.Bottom ),
+				new float2( uv.Right, uv.Bottom ),
+			};
+
+			this.size = new float2(bounds.Size);
+		}
+
+		public float2 FastMapTextureCoords( int k )
+		{
+			return uvhax[ k ];
+		}
+	}
+
+	public enum TextureChannel
+	{
+		Red = 0,
+		Green = 1,
+		Blue = 2,
+		Alpha = 3,
+	}
+}