--- ray/src/common/instance.h	1989/02/02 10:34:17	1.1
+++ ray/src/common/instance.h	2003/06/06 16:38:47	2.5
@@ -1,33 +1,40 @@
-/* Copyright (c) 1988 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"
 
-#define  GET_BOUNDS	IO_BOUNDS	/* just load boundaries */
-#define  GET_ALL	(IO_BOUNDS|IO_SCENE|IO_TREE)	/* everything */
-
 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 */
 	struct scene  *next;		/* next in list */
 }  SCENE;			/* loaded octree */
 
 typedef struct {
-	struct {
-		double  sca;			/* scaling */
-		double  xfm[4][4];		/* transform */
-	} f, b;				/* forward and backward */
+	FULLXF  x;			/* forward and backward transforms */
 	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_ */
+