Support .r8 tileset artwork.

OpenRA.FileFormats/Graphics/TileSetRenderer.cs

@@ -23,16 +23,31 @@ namespace OpenRA.FileFormats
 		Dictionary<ushort, List<byte[]>> templates;
 		public Size TileSize;
 
+		List<byte[]> LoadTemplate(string filename, string[] exts, Cache<string, R8Reader> r8Cache, int[] frames)
+		{
+			if (exts.Contains(".r8") && FileSystem.Exists(filename+".r8"))
+			{
+				var data = new List<byte[]>();
+
+				foreach (var f in frames)
+					data.Add(f >= 0 ? r8Cache[filename][f].Image : null);
+
+				return data;
+			}
+
+			using (var s = FileSystem.OpenWithExts(filename, exts))
+				return new Terrain(s).TileBitmapBytes;
+		}
+
 		public TileSetRenderer(TileSet tileset, Size tileSize)
 		{
 			this.TileSet = tileset;
 			this.TileSize = tileSize;
 
 			templates = new Dictionary<ushort, List<byte[]>>();
-
+			var r8Cache = new Cache<string, R8Reader>(s => new R8Reader(FileSystem.OpenWithExts(s, ".r8")));
 			foreach (var t in TileSet.Templates)
-			using (var s = FileSystem.OpenWithExts(t.Value.Image, tileset.Extensions))
+				templates.Add(t.Key, LoadTemplate(t.Value.Image, tileset.Extensions, r8Cache, t.Value.Frames));
-				templates.Add(t.Key, new Terrain(s).TileBitmapBytes);
 		}
 
 		public Bitmap RenderTemplate(ushort id, Palette p)

OpenRA.FileFormats/Map/TileSet.cs

@@ -35,6 +35,7 @@ namespace OpenRA.FileFormats
 	{
 		public ushort Id;
 		public string Image;
+		public int[] Frames;
 		public int2 Size;
 		public bool PickAny;
 		public string Category;
@@ -52,7 +53,7 @@ namespace OpenRA.FileFormats
 				t => t.Value.Value);
 		}
 
-		static readonly string[] Fields = { "Id", "Image", "Size", "PickAny" };
+		static readonly string[] Fields = { "Id", "Image", "Frames", "Size", "PickAny" };
 
 		public MiniYaml Save()
 		{

OpenRA.Game/Graphics/Theater.cs

@@ -25,8 +25,20 @@ namespace OpenRA.Graphics
 		Dictionary<ushort, Sprite[]> templates;
 		Sprite missingTile;
 
-		Sprite[] LoadTemplate(string filename, string[] exts)
+		Sprite[] LoadTemplate(string filename, string[] exts, Cache<string, R8Reader> r8Cache, int[] frames)
 		{
+			if (exts.Contains(".r8") && FileSystem.Exists(filename+".r8"))
+			{
+				return frames.Select(f =>
+				{
+					if (f < 0)
+						return null;
+
+					var image = r8Cache[filename][f];
+					return sheetBuilder.Add(image.Image, new Size(image.Size.Width, image.Size.Height));
+				}).ToArray();
+			}
+
 			using (var s = FileSystem.OpenWithExts(filename, exts))
 			{
 				var t = new Terrain(s);
@@ -48,10 +60,11 @@ namespace OpenRA.Graphics
 				return new Sheet(new Size(tileset.SheetSize, tileset.SheetSize));
 			};
 
+			var r8Cache = new Cache<string, R8Reader>(s => new R8Reader(FileSystem.OpenWithExts(s, ".r8")));
 			templates = new Dictionary<ushort, Sprite[]>();
 			sheetBuilder = new SheetBuilder(SheetType.Indexed, allocate);
 			foreach (var t in tileset.Templates)
-				templates.Add(t.Value.Id, LoadTemplate(t.Value.Image, tileset.Extensions));
+				templates.Add(t.Value.Id, LoadTemplate(t.Value.Image, tileset.Extensions, r8Cache, t.Value.Frames));
 
 			// 1x1px transparent tile
 			missingTile = sheetBuilder.Add(new byte[1], new Size(1, 1));