X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fobjectinstance.h;h=5911dae57fb6f173210ea18936a8e353c11c9f54;hp=d665851fbb5d40fb0201d17c255ea8667572a04c;hb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8;hpb=25c81b4953dd38993250321b9407ce8b0139cbeb

diff --git a/source/objectinstance.h b/source/objectinstance.h
index d665851f..5911dae5 100644
--- a/source/objectinstance.h
+++ b/source/objectinstance.h
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007-2008, 2010-2011  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_OBJETCINSTANCE_H_
 #define MSP_GL_OBJETCINSTANCE_H_
 
@@ -31,6 +24,7 @@ public:
 	ObjectInstance(const Object &);
 
 	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;