Add mod metadata, and filter valid mods on startup.

OpenRA.Game/Game.cs

@@ -267,7 +267,14 @@ namespace OpenRA
 			Renderer.SheetSize = Settings.Game.SheetSize;
 			Renderer = new Renderer();
 			
-			LobbyInfo.GlobalSettings.Mods = Settings.Game.Mods;
+			Console.WriteLine("Available mods:");
+			foreach(var mod in ModData.AllMods)
+				Console.WriteLine("\t{0}: {1} ({2})", mod.Key, mod.Value.Title, mod.Value.Version);
+			
+			// Discard any invalid mods
+			LobbyInfo.GlobalSettings.Mods = Settings.Game.Mods.Where(m => ModData.AllMods.ContainsKey(m)).ToArray();
+			Console.WriteLine("Loading mods: {0}",string.Join(",",LobbyInfo.GlobalSettings.Mods));
+			
 			modData = new ModData( LobbyInfo.GlobalSettings.Mods );
 			
 			Sound.Initialize();

OpenRA.Game/ModData.cs

@@ -19,6 +19,35 @@ namespace OpenRA
 {
 	public class ModData
 	{
+		public static readonly Dictionary<string,Mod> AllMods = ValidateMods(Directory.GetDirectories("mods").Select(x => x.Substring(5)).ToArray());
+		
+		public static Dictionary<string,Mod> ValidateMods(string[] mods)
+		{
+			var ret = new Dictionary<string,Mod>();
+			foreach (var m in mods)
+			{
+				if (!File.Exists("mods" + Path.DirectorySeparatorChar + m + Path.DirectorySeparatorChar + "mod.yaml"))
+					continue;
+				
+				var yaml = new MiniYaml( null, MiniYaml.FromFile("mods" + Path.DirectorySeparatorChar + m + Path.DirectorySeparatorChar + "mod.yaml"));
+				if (!yaml.NodesDict.ContainsKey("Metadata"))
+				{
+					System.Console.WriteLine("Invalid mod: "+m);
+					continue;
+				}
+				
+				ret.Add(m,FieldLoader.Load<Mod>(yaml.NodesDict["Metadata"]));
+			}
+			return ret;
+		}
+		
+		public class Mod
+		{
+			public string Title;
+			public string Description;
+			public string Version;
+		}
+		
 		public readonly Manifest Manifest;
 		public readonly ObjectCreator ObjectCreator;
 		public readonly SheetBuilder SheetBuilder;

mods/cnc/mod.yaml

@@ -1,4 +1,7 @@
-# Classic Command and Conquer -- Package Manifest
+Metadata:
+	Title: Command & Conquer
+	Description: OpenRA Reimagining of the classic game
+	Version: a0001
 
 Folders:
 	.

mods/default/mod.yaml

@@ -1,4 +1,7 @@
-# Default Game Mod
+Metadata:
+	Title: Default Mod Template
+	Description: Minimal template for creating a base mod
+	Version: a0001
 
 Folders:
 	.

mods/ra/mod.yaml

@@ -1,4 +1,7 @@
-# Classic Red Alert Mod -- Package Manifest
+Metadata:
+	Title: Red Alert
+	Description: OpenRA Reimagining of the classic game
+	Version: a0001
 
 Folders:
 	.

mods/ra_perf/mod.yaml

@@ -1,4 +1,7 @@
-# RA Performance Tests -- Package Manifest
+Metadata:
+	Title: RA Perf
+	Description: Performance Test map pack
+	Version: a0001
 
 Folders:
 	./mods/ra_perf