git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1168 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/TreeCache.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using OpenRa.FileFormats;
+using BluntDirectX.Direct3D;
+using System.Drawing;
+
+namespace OpenRa.Game
+{
+	class TreeCache
+	{
+		Dictionary<string, SheetRectangle<Sheet>> trees = new Dictionary<string, SheetRectangle<Sheet>>();
+
+		public readonly Sheet sh;
+
+		public TreeCache(GraphicsDevice device, Map map, Package package, Palette pal)
+		{
+			Size pageSize = new Size(1024, 512);
+			List<Sheet> sheets = new List<Sheet>();
+
+			Provider<Sheet> sheetProvider = delegate
+			{
+				Sheet sheet = new Sheet(new Bitmap(pageSize.Width, pageSize.Height));
+				sheets.Add(sheet);
+				return sheet;
+			};
+
+			TileSheetBuilder<Sheet> builder = new TileSheetBuilder<Sheet>(pageSize, sheetProvider);
+
+			foreach (TreeReference r in map.Trees)
+			{
+				if (trees.ContainsKey(r.Image))
+					continue;
+
+				ShpReader reader = new ShpReader(package.GetContent(r.Image + "." + map.Theater.Substring(0, 3)));
+				Bitmap bitmap = BitmapBuilder.FromBytes(reader[0].Image, reader.Width, reader.Height, pal);
+
+				SheetRectangle<Sheet> rect = builder.AddImage(bitmap.Size);
+				using (Graphics g = Graphics.FromImage(rect.sheet.bitmap))
+					g.DrawImage(bitmap, rect.origin);
+
+				trees.Add(r.Image, rect);
+			}
+
+			foreach (Sheet sheet in sheets)
+				sheet.LoadTexture(device);
+
+			sh = sheets[0];
+		}
+
+		public SheetRectangle<Sheet> GetImage(string tree)
+		{
+			return trees[tree];
+		}
+	}
+}