X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fscene.h;h=3b35f45b5558702a0d7f33019456ab444e5b5be1;hb=5172d32d67595ea0b70184fadcfcb8e023cccbc8;hp=6bfad812e517ecc45216216ed2aa0a37c50e3789;hpb=c6aea1bc1586ffef132e6fffdf99343cb56617db;p=libs%2Fgl.git

diff --git a/source/scene.h b/source/scene.h
index 6bfad812..3b35f45b 100644
--- a/source/scene.h
+++ b/source/scene.h
@@ -1,30 +1,35 @@
 /* $Id$
 
 This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Copyright © 2010-2011  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
 #ifndef MSP_GL_SCENE_H_
 #define MSP_GL_SCENE_H_
 
-#include <set>
 #include "renderable.h"
 
 namespace Msp {
 namespace GL {
 
+/**
+Scenes are containers for other Renderables.  This is a base class that can't
+be instantiated.  At the moment the available Scene types are SimpleScene,
+InstancedScene and OrderedScene.
+*/
 class Scene: public Renderable
 {
-private:
-	std::set<const Renderable *> renderables;
-
+protected:
+	Scene() { }
 public:
-	void add(const Renderable &);
-	void remove(const Renderable &);
+	virtual ~Scene() { }
+
+	virtual void add(const Renderable &) = 0;
+	virtual void remove(const Renderable &) = 0;
 
-	virtual bool has_pass(const Tag &) const { return true; }
-	virtual void render(const Tag &tag=Tag()) const;
+	using Renderable::render;
+	virtual void render(const Tag & = Tag()) const;
 };
 
 } // namespace GL