git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@2049 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Graphics/SpriteSheetBuilder.cs

@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using OpenRa.FileFormats;
+
+namespace OpenRa.Game.Graphics
+{
+	static class SpriteSheetBuilder
+	{
+		static Dictionary<string, Sprite> sprites =
+			new Dictionary<string, Sprite>();
+
+		public static Sprite LoadSprite(string filename)
+		{
+			Sprite value;
+			if (!sprites.TryGetValue(filename, out value))
+			{
+				ShpReader shp = new ShpReader(FileSystem.Open(filename));
+				sprites.Add(filename, value = SheetBuilder.Add(shp[0].Image, shp.Size));
+			}
+
+			return value;
+		}
+	}
+}