X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fobjectinstance.h;h=5911dae57fb6f173210ea18936a8e353c11c9f54;hb=ab83db6f1e31d44ced585119a57fd10896e469cb;hp=151e316c9e2e91faaff22fa31337f9bc9fa3d1ea;hpb=a361efc05fcad11b2918f3cd7abdebe794b131d8;p=libs%2Fgl.git diff --git a/source/objectinstance.h b/source/objectinstance.h index 151e316c..5911dae5 100644 --- a/source/objectinstance.h +++ b/source/objectinstance.h @@ -1,14 +1,8 @@ -/* $Id$ - -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 { @@ -16,14 +10,12 @@ namespace GL { class Object; class ProgramData; -class ObjectPass; - /** 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; @@ -32,19 +24,19 @@ public: ObjectInstance(const Object &); const Object &get_object() const { return object; } + virtual long get_instance_key() const { return reinterpret_cast(&object); } - void render() const; - void render(const std::string &) const; + 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 ObjectPass &) 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 ObjectPass &) 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; } };