Added evergreen_tree model, added work-in-progress collada parser, renamed ModelLoader to ModelCache

lib/model/parser.rb

@@ -19,12 +19,33 @@ class IMICFPS
         return found_parser
       end
 
+      def self.supported_formats
+        @@parsers.map { |parser| parser.handles }.flatten.map { |s| ".#{s}" }.join(", ")
+      end
+
       def initialize(model)
         @model = model
       end
 
       def parse
       end
+
+      def change_object(name)
+        @model.objects << Model::ModelObject.new(name)
+        @model.current_object = @model.objects.last
+      end
+
+      def set_material(name)
+        @model.current_material = name
+      end
+
+      def add_material(name, material)
+        @model.materials[name] = material
+      end
+
+      def current_material
+        @model.materials[@model.current_material]
+      end
     end
   end
 end