--- ray/src/rt/source.h	1989/06/07 08:35:12	1.2
+++ ray/src/rt/source.h	1989/06/07 10:29:01	1.3
@@ -10,12 +10,24 @@
 
 #define  SDISTANT	01		/* source distant flag */
 #define  SSKIP		02		/* source skip flag */
+#define  SPROX		04		/* source proximity flag */
+#define  SSPOT		010		/* source spotlight flag */
 
 typedef struct {
+	float  siz;		/* output solid angle */
+	float  flen;		/* focal length */
+	FVECT  aim;		/* aim direction */
+} SPOT;			/* spotlight */
+
+typedef struct {
 	short  sflags;		/* source flags */
 	FVECT  sloc;		/* direction or position of source */
 	float  ss;		/* tangent or disk radius */
 	float  ss2;		/* domega or projected area */
+	union {
+		float  prox;		/* proximity */
+		SPOT  *s;		/* spot */
+	} sl;			/* localized source information */
 	long  ntests, nhits;	/* shadow tests and hits */
 	OBJREC  *so;		/* source object */
 }  SRCREC;		/* light source */
@@ -32,3 +44,5 @@ extern SRCREC  *source;			/* our source list */
 extern int  nsources;			/* the number of sources */
 
 extern double  srcray();                /* ray to source */
+
+extern SPOT  *makespot();		/* make spotlight */