X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fobjectinstance.h;h=5911dae57fb6f173210ea18936a8e353c11c9f54;hp=955ad1ddd7f0d9ac2f9ee2508c8bad3bdd49d88b;hb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8;hpb=85e83ace47e5a9a8ae7263886255dd81afc69278 diff --git a/source/objectinstance.h b/source/objectinstance.h index 955ad1dd..5911dae5 100644 --- a/source/objectinstance.h +++ b/source/objectinstance.h @@ -1,13 +1,9 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2007 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_OBJETCINSTANCE_H_ #define MSP_GL_OBJETCINSTANCE_H_ +#include +#include "renderable.h" + namespace Msp { namespace GL { @@ -19,26 +15,30 @@ Represents a single instance of an Object. An application can derive another 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(&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