--- ray/src/rt/m_clip.c	1991/11/12 17:08:41	2.1
+++ ray/src/rt/m_clip.c	2003/02/25 02:47:22	2.6
@@ -1,15 +1,12 @@
-/* Copyright (c) 1986 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: m_clip.c,v 2.6 2003/02/25 02:47:22 greg Exp $";
 #endif
-
 /*
  *  m_clip.c - routine for clipped (cut) objects.
- *
- *     3/17/86
  */
 
+#include "copyright.h"
+
 #include  "ray.h"
 
 /*
@@ -21,17 +18,18 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 
+int
 m_clip(m, r)			/* clip objects from ray */
 register OBJREC  *m;
 register RAY  *r;
 {
 	OBJECT  cset[MAXSET+1], *modset;
+	OBJECT  obj, mod;
 	int  entering;
 	register int  i;
 
+	obj = objndx(m);
 	if ((modset = (OBJECT *)m->os) == NULL) {
-		register OBJECT  mod;
-
 		if (m->oargs.nsargs < 1 || m->oargs.nsargs > MAXSET)
 			objerror(m, USER, "bad # arguments");
 		modset = (OBJECT *)malloc((m->oargs.nsargs+1)*sizeof(OBJECT));
@@ -41,7 +39,7 @@ register RAY  *r;
 		for (i = 0; i < m->oargs.nsargs; i++) {
 			if (!strcmp(m->oargs.sarg[i], VOIDID))
 				continue;
-			if ((mod = modifier(m->oargs.sarg[i])) == OVOID) {
+			if ((mod = lastmod(obj, m->oargs.sarg[i])) == OVOID) {
 				sprintf(errmsg, "unknown modifier \"%s\"",
 						m->oargs.sarg[i]);
 				objerror(m, WARNING, errmsg);
@@ -89,9 +87,9 @@ register RAY  *r;
 					inside--;
 		if (inside > 0) {	/* we just hit the object */
 			flipsurface(r);
-			rayshade(r, modifier(m->oargs.sarg[0]));
-			return;
+			return(rayshade(r, lastmod(obj, m->oargs.sarg[0])));
 		}
 	}
 	raytrans(r);			/* else transfer ray */
+	return(1);
 }