Get all blocks for the program before applying them

[libs/gl.git] / source / objectinstance.h

diff --git a/source/objectinstance.h b/source/objectinstance.h
index 151e316c9e2e91faaff22fa31337f9bc9fa3d1ea..5911dae57fb6f173210ea18936a8e353c11c9f54 100644 (file)
--- 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 <string>
+#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<long>(&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; }
 };