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

OpenRa.Game/Graphics/UnitSheetBuilder.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using Ijw.DirectX;
+using OpenRa.FileFormats;
+
+namespace OpenRa.Game.Graphics
+{
+	static class UnitSheetBuilder
+	{
+		public static readonly List<Sprite> sprites = new List<Sprite>();
+		static Dictionary<string, Range<int>> sequences = new Dictionary<string, Range<int>>();
+
+		public static Range<int> GetUnit(string name)
+		{
+			Range<int> result;
+			if (sequences.TryGetValue(name, out result))
+				return result;
+
+			return AddUnit(name);
+		}
+
+		static Range<int> AddUnit( string name )
+		{
+			Log.Write("Loading SHP for {0}", name);
+
+			int low = sprites.Count;
+
+			ShpReader reader = new ShpReader(FileSystem.Open(name + ".shp"));
+			foreach (ImageHeader h in reader)
+				sprites.Add(SheetBuilder.Add(h.Image, reader.Size));
+
+			Range<int> sequence = new Range<int>(low, sprites.Count - 1);
+			sequences.Add(name, sequence);
+
+			Log.Write("Loaded SHP for {0}", name);
+
+			return sequence;
+		}
+	}
+}