reduces duplication; textures get put in hardware on demand now.

git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1187 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/MainWindow.cs

@@ -39,7 +39,7 @@ namespace OpenRa.Game
 
 			Provider<Sheet> sheetProvider = delegate
 			{
-				Sheet t = new Sheet( new Bitmap(pageSize.Width, pageSize.Height));
+				Sheet t = new Sheet( new Bitmap(pageSize.Width, pageSize.Height),renderer.Device);
 				sheets.Add(t);
 				return t;
 			};
@@ -63,22 +63,18 @@ namespace OpenRa.Game
 					}
 				}
 
-			foreach (Sheet s in sheets)
-				s.LoadTexture(renderer.Device);
-
 			world = new World(renderer.Device);
 			treeCache = new TreeCache(renderer.Device, map, TileMix, pal);
 
 			foreach (TreeReference treeReference in map.Trees)
 				world.Add(new Tree(treeReference, treeCache, map));
 
+			UnitSheetBuilder.Initialize(renderer.Device);
 			UnitSheetBuilder.AddUnit( "mcv", playerPal );
 			UnitSheetBuilder.AddUnit("1tnk", playerPal);
 			UnitSheetBuilder.AddUnit("2tnk", playerPal);
 			UnitSheetBuilder.AddUnit("3tnk", playerPal);
 
-			UnitSheetBuilder.Resolve(renderer.Device);
-
 			world.Add( new Mcv( new PointF( 24 * 5, 24 * 5 ) ) );
 		}
 
@@ -207,7 +203,7 @@ namespace OpenRa.Game
 				renderer.DrawBatch(vertexBuffer, batch.Value, 
 					new Range<int>(verticesPerRow * firstRow, verticesPerRow * lastRow), 
 					new Range<int>(indicesPerRow * firstRow, indicesPerRow * lastRow), 
-					batch.Key.texture);
+					batch.Key.Texture);
 			});
 		}
 

OpenRa.Game/Sheet.cs

@@ -11,11 +11,24 @@ namespace OpenRa.Game
 	class Sheet
 	{
 		public readonly Bitmap bitmap;
-		public Texture texture;
 		
-		public Sheet(Bitmap b) { bitmap = b; }
+		readonly GraphicsDevice device;
+		Texture texture;
 
-		public void LoadTexture(GraphicsDevice device)
+		public Sheet(Bitmap b, GraphicsDevice d) { bitmap = b; device = d; }
+
+		public Texture Texture
+		{
+			get
+			{
+				if (texture == null)
+					LoadTexture();
+
+				return texture;
+			}
+		}
+
+		void LoadTexture()
 		{
 			string tempFile = string.Format("../../../block-cache-{0}.png", suffix++);
 			bitmap.Save(tempFile);

OpenRa.Game/TreeCache.cs

@@ -20,7 +20,7 @@ namespace OpenRa.Game
 
 			Provider<Sheet> sheetProvider = delegate
 			{
-				Sheet sheet = new Sheet(new Bitmap(pageSize.Width, pageSize.Height));
+				Sheet sheet = new Sheet(new Bitmap(pageSize.Width, pageSize.Height), device);
 				sheets.Add(sheet);
 				return sheet;
 			};
@@ -42,9 +42,6 @@ namespace OpenRa.Game
 				trees.Add(r.Image, rect);
 			}
 
-			foreach (Sheet sheet in sheets)
-				sheet.LoadTexture(device);
-
 			sh = sheets[0];
 		}
 

OpenRa.Game/UnitSheetBuilder.cs

@@ -16,11 +16,11 @@ namespace OpenRa.Game
 		static List<Sheet> sheets = new List<Sheet>();
 		static Size pageSize = new Size(1024, 512);
 
-		static UnitSheetBuilder()
+		public static void Initialize( GraphicsDevice device )
 		{
 			Provider<Sheet> sheetProvider = delegate
 			{
-				Sheet sheet = new Sheet(new Bitmap(pageSize.Width, pageSize.Height));
+				Sheet sheet = new Sheet(new Bitmap(pageSize.Width, pageSize.Height), device);
 				sheets.Add(sheet);
 				return sheet;
 			};
@@ -28,12 +28,6 @@ namespace OpenRa.Game
 			builder = new TileSheetBuilder<Sheet>(pageSize, sheetProvider);
 		}
 
-		public static void Resolve( GraphicsDevice device )
-		{
-			foreach (Sheet sheet in sheets)
-				sheet.LoadTexture(device);
-		}
-
 		public static void AddUnit( string name, Palette pal )
 		{
 			ShpReader reader = new ShpReader( unitsPackage.GetContent( name + ".shp" ) );

OpenRa.Game/World.cs

@@ -89,7 +89,7 @@ namespace OpenRa.Game
 					renderer.DrawBatch(vb, ib,
 						new Range<int>(0, vertices.Count),
 						new Range<int>(0, indices.Count),
-						sheet.texture);
+						sheet.Texture);
 				});
 		}
 	}