Add Dictionary<,> support to FieldLoader

OpenRA.Game/FieldLoader.cs

@@ -160,6 +160,12 @@ namespace OpenRA
 
 		public static object GetValue(string fieldName, Type fieldType, string value, MemberInfo field)
 		{
+			return GetValue(fieldName, fieldType, new MiniYaml(value), field);
+		}
+
+		public static object GetValue(string fieldName, Type fieldType, MiniYaml yaml, MemberInfo field)
+		{
+			var value = yaml.Value;
 			if (value != null) value = value.Trim();
 
 			if (fieldType == typeof(int))
@@ -436,6 +442,21 @@ namespace OpenRA
 					addMethod.Invoke(set, new[] { GetValue(fieldName, fieldType.GetGenericArguments()[0], parts[i].Trim(), field) });
 				return set;
 			}
+			else if (fieldType.IsGenericType && fieldType.GetGenericTypeDefinition() == typeof(Dictionary<,>))
+			{
+				var dict = Activator.CreateInstance(fieldType);
+				var arguments = fieldType.GetGenericArguments();
+				var addMethod = fieldType.GetMethod("Add", arguments);
+
+				foreach (var node in yaml.Nodes)
+				{
+					var key = GetValue(fieldName, arguments[0], node.Key, field);
+					var val = GetValue(fieldName, arguments[1], node.Value, field);
+					addMethod.Invoke(dict, new[] { key, val });
+				}
+
+				return dict;
+			}
 			else if (fieldType == typeof(Size))
 			{
 				if (value != null)
@@ -583,7 +604,7 @@ namespace OpenRA
 
 				var loader = sa.GetLoader(type);
 				if (loader == null && sa.FromYamlKey)
-					loader = (yaml) => GetValue(yamlName, field.FieldType, yaml.Value, field);
+					loader = yaml => GetValue(yamlName, field.FieldType, yaml, field);
 
 				var fli = new FieldLoadInfo(field, sa, yamlName, loader);
 				ret.Add(fli);