| 15 |
|
|
| 16 |
|
#define MAXDEPTH 32 /* ridiculous ray tree depth */ |
| 17 |
|
|
| 18 |
< |
#ifdef SMLFLT |
| 19 |
< |
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
| 20 |
< |
#else |
| 21 |
< |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
| 22 |
< |
#endif |
| 18 |
> |
#define sscanvec(s,v) (sscanf(s,FVFORMAT,v,v+1,v+2)==3) |
| 19 |
|
|
| 20 |
< |
char rtcom[] = "rtrace -h- -otp -fa -x 1"; |
| 20 |
> |
char rtcom[64] = "rtrace -h- -otp -fa -x 1"; |
| 21 |
|
char xicom[] = "ximage -c 256"; |
| 22 |
|
|
| 23 |
|
VIEW ourview = STDVIEW; /* view for picture */ |
| 41 |
|
|
| 42 |
|
int slow = 0; /* slow trace? */ |
| 43 |
|
|
| 44 |
+ |
void mainloop(void); |
| 45 |
+ |
static void freetree(struct node *tp); |
| 46 |
+ |
static void tracerays(struct node *tp); |
| 47 |
+ |
static int strtoipt(int ipt[2], char *str); |
| 48 |
+ |
static void setvec(int ipt[2]); |
| 49 |
+ |
static void vector(int ip1[2], int ip2[2]); |
| 50 |
|
|
| 51 |
< |
main(argc, argv) /* takes both the octree and the image */ |
| 52 |
< |
int argc; |
| 53 |
< |
char *argv[]; |
| 51 |
> |
|
| 52 |
> |
int |
| 53 |
> |
main( /* takes both the octree and the image */ |
| 54 |
> |
int argc, |
| 55 |
> |
char *argv[] |
| 56 |
> |
) |
| 57 |
|
{ |
| 58 |
|
int i; |
| 59 |
|
char combuf[PATH_MAX]; |
| 62 |
|
for (i = 1; i < argc-2; i++) |
| 63 |
|
if (!strcmp(argv[i], "-s")) |
| 64 |
|
slow++; |
| 65 |
+ |
else if (!strcmp(argv[i], "-T")) |
| 66 |
+ |
strcat(rtcom, " -oTp"); |
| 67 |
|
else |
| 68 |
|
break; |
| 69 |
|
if (i > argc-2) { |
| 70 |
< |
fprintf(stderr, "Usage: %s [-s] [rtrace args] octree picture\n", |
| 70 |
> |
fprintf(stderr, "Usage: %s [-s][-T] [rtrace args] octree picture\n", |
| 71 |
|
progname); |
| 72 |
|
exit(1); |
| 73 |
|
} |
| 103 |
|
} |
| 104 |
|
|
| 105 |
|
|
| 106 |
< |
mainloop() /* get and process input */ |
| 106 |
> |
void |
| 107 |
> |
mainloop(void) /* get and process input */ |
| 108 |
|
{ |
| 109 |
|
static struct node *sis[MAXDEPTH]; |
| 110 |
|
register struct node *newp; |
| 143 |
|
} |
| 144 |
|
|
| 145 |
|
|
| 146 |
< |
freetree(tp) /* free a trace tree */ |
| 147 |
< |
struct node *tp; |
| 146 |
> |
static void |
| 147 |
> |
freetree( /* free a trace tree */ |
| 148 |
> |
struct node *tp |
| 149 |
> |
) |
| 150 |
|
{ |
| 151 |
|
register struct node *kid, *k2; |
| 152 |
|
|
| 158 |
|
} |
| 159 |
|
|
| 160 |
|
|
| 161 |
< |
tracerays(tp) /* trace a ray tree */ |
| 162 |
< |
struct node *tp; |
| 161 |
> |
static void |
| 162 |
> |
tracerays( /* trace a ray tree */ |
| 163 |
> |
struct node *tp |
| 164 |
> |
) |
| 165 |
|
{ |
| 166 |
|
register struct node *kid; |
| 167 |
|
|
| 172 |
|
} |
| 173 |
|
|
| 174 |
|
|
| 175 |
< |
strtoipt(ipt, str) /* convert string x y z to image point */ |
| 176 |
< |
int ipt[2]; |
| 177 |
< |
char *str; |
| 175 |
> |
static int |
| 176 |
> |
strtoipt( /* convert string x y z to image point */ |
| 177 |
> |
int ipt[2], |
| 178 |
> |
char *str |
| 179 |
> |
) |
| 180 |
|
{ |
| 181 |
|
FVECT im_pt, pt; |
| 182 |
|
|
| 200 |
|
int xoff, yoff; |
| 201 |
|
|
| 202 |
|
|
| 203 |
< |
setvec(ipt) /* set up vector drawing for pick */ |
| 204 |
< |
int ipt[2]; |
| 203 |
> |
static void |
| 204 |
> |
setvec( /* set up vector drawing for pick */ |
| 205 |
> |
int ipt[2] |
| 206 |
> |
) |
| 207 |
|
{ |
| 208 |
|
extern Window xfindwind(); |
| 209 |
|
XWindowAttributes wa; |
| 242 |
|
} |
| 243 |
|
|
| 244 |
|
|
| 245 |
< |
vector(ip1, ip2) /* draw a vector */ |
| 246 |
< |
int ip1[2], ip2[2]; |
| 245 |
> |
static void |
| 246 |
> |
vector( /* draw a vector */ |
| 247 |
> |
int ip1[2], |
| 248 |
> |
int ip2[2] |
| 249 |
> |
) |
| 250 |
|
{ |
| 251 |
|
if (ip2[0] == -1 && ip2[1] == -1) |
| 252 |
|
return; /* null vector */ |
