/* $Id$
This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2008, 2010-2011 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
#ifndef MSP_GL_OBJETCINSTANCE_H_
#define MSP_GL_OBJETCINSTANCE_H_
+#include <string>
+#include "renderable.h"
+
namespace Msp {
namespace GL {
class from this and overload the hook functions to specify location and other
instance-specific parameters for the rendered objects.
*/
-class ObjectInstance
+class ObjectInstance: public Renderable
{
protected:
const Object &object;
public:
ObjectInstance(const Object &);
- void render() const;
- /**
- Hook function, called from Object just before rendering the mesh.
- */
- virtual void setup_render() const { }
+ const Object &get_object() const { return object; }
+ virtual long get_instance_key() const { return reinterpret_cast<long>(&object); }
+
+ virtual void render(const Tag &tag = Tag()) const;
+ virtual void render(Renderer &, const Tag & = Tag()) const;
+
+ /** Hook function, called from Object just before rendering the mesh.
+ Renderer state will have been pushed before this is called. */
+ virtual void setup_render(Renderer &, const Tag &) const { }
- /**
- Hook function, called from Object right after rendering the mesh.
- */
- virtual void finish_render() const { }
+ /** Hook function, called from Object right after rendering the mesh. Since
+ Object takes care of pushing Renderer state, this rarely needs to do
+ anything. */
+ virtual void finish_render(Renderer &, const Tag &) const { }
- virtual unsigned get_detail_level() const { return 0; }
+ virtual unsigned get_level_of_detail() const { return 0; }
};
} // namespace GL