--- ray/src/rt/ray.h	2003/07/14 22:24:00	2.20
+++ ray/src/rt/ray.h	2004/03/30 16:13:01	2.22
@@ -1,4 +1,4 @@
-/* RCSid $Id: ray.h,v 2.20 2003/07/14 22:24:00 schorsch Exp $ */
+/* RCSid $Id: ray.h,v 2.22 2004/03/30 16:13:01 schorsch Exp $ */
 /*
  *  ray.h - header file for routines using rays.
  */
@@ -41,8 +41,8 @@ typedef struct ray {
 	int	rsrc;		/* source we're aiming for */
 	OBJECT	*clipset;	/* set of objects currently clipped */
 	OBJECT	*newcset;	/* next clipset, used for transmission */
-	void	(*revf)();	/* evaluation function for this ray */
-	void	(*hitf)();	/* custom hit test for this traversal */
+	void	(*revf)(struct ray *);	/* evaluation function for this ray */
+	void	(*hitf)(OBJECT *, struct ray *);	/* custom hit test */
 	OBJECT	robj;		/* intersected object number */
  	OBJREC	*ro;		/* intersected object (one with material) */
 	double	rot;		/* distance to object */
@@ -160,6 +160,8 @@ typedef struct {		/* rendering parameter holder */
 extern void	headclean(void);
 extern void	openheader(void);
 extern void	dupheader(void);
+					/* defined in persist.c */
+extern void persistfile(char *pfn);
 extern void	pfdetach(void);
 extern void	pfclean(void);
 extern void	pflock(int lf);
@@ -208,8 +210,12 @@ extern void	print_rdefaults(void);
 					/* defined in srcdraw.c */
 extern void	drawsources(COLOR *pic[], float *zbf[],
 			int x0, int xsiz, int y0, int ysiz);
+extern void init_drawsources(int rad);
+					/* defined in rt/initotypes.c */
+extern void initotypes(void);
 					/* module main procedures */
 extern void	rtrace(char *fname);
+extern char * formstr(int  f);
 extern void	rview(void);
 extern void	rpict(int seq, char *pout, char *zout, char *prvr);