--- ray/src/cv/mgflib/3ds2mgf.c	1996/02/08 13:29:33	1.2
+++ ray/src/cv/mgflib/3ds2mgf.c	1998/01/16 10:47:27	1.5
@@ -47,8 +47,8 @@ extern unsigned _stklen = 16384;
 #define MGF      4
 #define RAW      99
 
-#define DEG(x) ((180.0/M_PI)*(x))
-#define RAD(x) ((M_PI/180.0)*(x))
+#define DEG(x) ((double)(180.0/M_PI)*(x))
+#define RAD(x) ((double)(M_PI/180.0)*(x))
 
 #ifndef M_PI
 #define M_PI (3.14159265358979323846)
@@ -351,7 +351,9 @@ char *read_string (void);
 float findfov (float lens);
 int read_mgfmatname (char *s, int n, FILE *f);
 
+char *progname;
 
+
 int main (int argc, char *argv[])
 {
     char meshfname[128];
@@ -453,7 +455,6 @@ int main (int argc, char *argv[])
 void process_args (int argc, char *argv[])
 {
     int i;
-    char *progname;
     char *env_opt, *option;
 
     printf("\n\nAutodesk 3D Studio to Raytracer file Translator. Feb/96\n");
@@ -473,7 +474,7 @@ void process_args (int argc, char *argv[])
 	printf ("         -b<object>   - Convert this object as a box\n");
 	printf ("         +i, -i       - Turn internal bounding on or off\n");
 	printf ("         +v, -v       - Turn verbose status messages on or off\n");
-	printf ("         -op          - Output to POV-Ray 2.0 format (default)\n");
+	printf ("         -op          - Output to POV-Ray 2.0 format\n");
 	printf ("         -op1         - Output to POV-Ray 1.0 format\n");
 	printf ("         -ov          - Output to Vivid format\n");
 	printf ("         -ol          - Output to poLyray format\n");
@@ -497,7 +498,7 @@ void process_args (int argc, char *argv[])
     else if (!strcmp(progname, "3ds2raw"))
 	format = RAW;
     else
-	format = MGF;		/* default if program name strange */
+	format = POV20;		/* default if program name strange */
 
     strcpy (inname, "");
     strcpy (outname, "");
@@ -1011,7 +1012,7 @@ void write_light (FILE *f, char *name, Vector pos, Col
 	    if (name[0]) fprintf (f, "o %s\n", name);
 	    fprintf (f, "m\n\tsides 1\n\tc\n\t\t\tcmix %.3f R %.3f G %.3f B\n\ted %e\n",
 		    CIE_Y_r*col.red, CIE_Y_g*col.green, CIE_Y_b*col.blue,
-	    10000.0*(CIE_Y_r*col.red + CIE_Y_g*col.green + CIE_Y_b*col.blue));
+	    100000.0*(CIE_Y_r*col.red + CIE_Y_g*col.green + CIE_Y_b*col.blue));
 	    fprintf (f, "v c =\n\tp %.4f %.4f %.4f\nsph c .01\n",
 		    pos[X], pos[Y], pos[Z]);
 	    if (name[0]) fprintf (f, "o\n");
@@ -1086,7 +1087,7 @@ void write_spot (FILE *f, char *name, Vector pos, Vect
 	    fprintf (f, "# hotspot: %.2f\n# falloff: %.2f\n", hotspot, falloff);
 	    fprintf (f, "m\n\tsides 1\n\tc\n\t\t\tcmix %.3f R %.3f G %.3f B\n\ted %e\n",
 		    CIE_Y_r*col.red, CIE_Y_g*col.green, CIE_Y_b*col.blue,
-	    10000.0*(CIE_Y_r*col.red + CIE_Y_g*col.green + CIE_Y_b*col.blue));
+	    100000.0*(CIE_Y_r*col.red + CIE_Y_g*col.green + CIE_Y_b*col.blue));
 	    fprintf (f, "v c =\n\tp %.4f %.4f %.4f\n\tn %.4f %.4f %.4f\n",
 		    pos[X], pos[Y], pos[Z],
 		    target[X]-pos[X], target[Y]-pos[Y], target[Z]-pos[Z]);
@@ -2376,7 +2377,10 @@ void parse_3ds (Chunk *mainchunk)
 
     do  {
 	start_chunk (&chunk);
-
+	if (feof(in)) {
+		fprintf(stderr, "%s: unexpected EOF\n", progname);
+		break;
+	}
 	if (chunk.end <= mainchunk->end) {
 	    switch (chunk.tag) {
 		case 0x3D3D: parse_mdata (&chunk);