X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fobjectinstance.h;h=d665851fbb5d40fb0201d17c255ea8667572a04c;hp=61ad55d33ef722400780db5540b63f410eb4133b;hb=25c81b4953dd38993250321b9407ce8b0139cbeb;hpb=d51a234320449909eb34c802faa1f0c516ef70a0 diff --git a/source/objectinstance.h b/source/objectinstance.h index 61ad55d3..d665851f 100644 --- a/source/objectinstance.h +++ b/source/objectinstance.h @@ -1,7 +1,7 @@ /* $Id$ 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 */ @@ -21,9 +21,6 @@ class ProgramData; 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. - -The finish_render function generally should clean up everything done by -setup_render, unless the rendering sequence is known to allow otherwise. */ class ObjectInstance: public Renderable { @@ -36,16 +33,16 @@ public: const Object &get_object() const { return 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. - */ - virtual void setup_render(const 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 Tag &) 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_level_of_detail() const { return 0; } };