--- ray/src/common/instance.h	1992/08/06 08:18:56	2.2
+++ ray/src/common/instance.h	2003/06/06 16:38:47	2.5
@@ -1,17 +1,20 @@
-/* Copyright (c) 1990 Regents of the University of California */
-
-/* SCCSid "$SunId$ LBL" */
-
+/* RCSid $Id: instance.h,v 2.5 2003/06/06 16:38:47 schorsch Exp $ */
 /*
  *  instance.h - header file for routines using octree objects.
  *
- *	11/10/88
+ *  Include after object.h and octree.h
  */
+#ifndef _RAD_INSTANCE_H_
+#define _RAD_INSTANCE_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-#include  "octree.h"
+#include "copyright.h"
 
 typedef struct scene {
 	char  *name;			/* octree name */
+	int  nref;			/* number of references */
 	int  ldflags;			/* what was loaded */
 	CUBE  scube;			/* scene cube */
 	OBJECT  firstobj, nobjs;	/* first object and count */
@@ -23,6 +26,15 @@ typedef struct {
 	SCENE  *obj;			/* loaded object */
 }  INSTANCE;			/* instance of octree */
 
-extern SCENE  *getscene();
 
-extern INSTANCE  *getinstance();
+extern SCENE  *getscene(char *sname, int flags);
+extern INSTANCE  *getinstance(OBJREC *o, int flags);
+extern void  freescene(SCENE *sc);
+extern void  freeinstance(OBJREC *o);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _RAD_INSTANCE_H_ */
+