rename NewUnitInfo -> ActorInfo

OpenRa.Game/GameRules/ActorInfo.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using OpenRa.FileFormats;
+using OpenRa.Traits;
+using System.Reflection;
+using IjwFramework.Types;
+using System.IO;
+
+namespace OpenRa.GameRules
+{
+	public class ActorInfo
+	{
+		public readonly string Name;
+		public readonly string Category;
+		public readonly TypeDictionary Traits = new TypeDictionary();
+
+		public ActorInfo( string name, MiniYaml node, Dictionary<string, MiniYaml> allUnits )
+		{
+			var mergedNode = MergeWithParent( node, allUnits ).Nodes;
+
+			Name = name;
+			MiniYaml categoryNode;
+			if( mergedNode.TryGetValue( "Category", out categoryNode ) )
+				Category = categoryNode.Value;
+
+			foreach( var t in mergedNode )
+				if( t.Key != "Inherits" && t.Key != "Category" )
+					Traits.Add( LoadTraitInfo( t.Key, t.Value ) );
+		}
+
+		static MiniYaml GetParent( MiniYaml node, Dictionary<string, MiniYaml> allUnits )
+		{
+			MiniYaml inherits;
+			node.Nodes.TryGetValue( "Inherits", out inherits );
+			if( inherits == null || string.IsNullOrEmpty( inherits.Value ) )
+				return null;
+
+			MiniYaml parent;
+			allUnits.TryGetValue( inherits.Value, out parent );
+			if( parent == null )
+				return null;
+
+			return parent;
+		}
+
+		static MiniYaml MergeWithParent( MiniYaml node, Dictionary<string, MiniYaml> allUnits )
+		{
+			var parent = GetParent( node, allUnits );
+			if( parent != null )
+				return MiniYaml.Merge( node, MergeWithParent( parent, allUnits ) );
+			return node;
+		}
+
+		// todo: use mod metadata to do this
+		static Pair<Assembly, string>[] ModAssemblies = 
+		{ 
+			Pair.New( typeof(ITraitInfo).Assembly, typeof(ITraitInfo).Namespace ),
+			Pair.New( Assembly.LoadFile(Path.GetFullPath(@"mods\ra\OpenRa.Mods.RA.dll")), "OpenRa.Mods.RA" ) 
+		};
+
+		static ITraitInfo LoadTraitInfo(string traitName, MiniYaml my)
+		{
+			foreach (var mod in ModAssemblies)
+			{
+				var fullTypeName = mod.Second + "." + traitName + "Info";
+				var info = (ITraitInfo)mod.First.CreateInstance(fullTypeName);
+				if (info == null) continue;
+				FieldLoader.Load(info, my);
+				return info;
+			}
+
+			throw new InvalidOperationException("Cannot locate trait: {0}".F(traitName));
+		}
+	}
+}