| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: rvmain.c,v 1.1 2014/08/26 15:21:21 taschreg Exp taschreg $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* rvmain.c - main for rview interactive viewer |
| 6 |
*/ |
| 7 |
|
| 8 |
#include "copyright.h" |
| 9 |
|
| 10 |
#include <signal.h> |
| 11 |
#include <time.h> |
| 12 |
|
| 13 |
#include "platform.h" |
| 14 |
#include "ray.h" |
| 15 |
#include "source.h" |
| 16 |
#include "ambient.h" |
| 17 |
#include "rpaint.h" |
| 18 |
#include "random.h" |
| 19 |
#include "paths.h" |
| 20 |
#include "view.h" |
| 21 |
#include "pmapray.h" |
| 22 |
|
| 23 |
extern char *progname; /* global argv[0] */ |
| 24 |
|
| 25 |
VIEW ourview = STDVIEW; /* viewing parameters */ |
| 26 |
int hresolu, vresolu; /* image resolution */ |
| 27 |
|
| 28 |
int psample = 8; /* pixel sample size */ |
| 29 |
double maxdiff = .15; /* max. sample difference */ |
| 30 |
|
| 31 |
int greyscale = 0; /* map colors to brightness? */ |
| 32 |
char *dvcname = dev_default; /* output device name */ |
| 33 |
|
| 34 |
double exposure = 1.0; /* exposure for scene */ |
| 35 |
|
| 36 |
int newparam = 1; /* parameter setting changed */ |
| 37 |
|
| 38 |
struct driver *dev = NULL; /* driver functions */ |
| 39 |
|
| 40 |
char rifname[128]; /* rad input file name */ |
| 41 |
|
| 42 |
VIEW oldview; /* previous view parameters */ |
| 43 |
|
| 44 |
PNODE ptrunk; /* the base of our image */ |
| 45 |
RECT pframe; /* current frame boundaries */ |
| 46 |
int pdepth; /* image depth in current frame */ |
| 47 |
|
| 48 |
char *errfile = NULL; /* error output file */ |
| 49 |
|
| 50 |
int nproc = 1; /* number of processes */ |
| 51 |
|
| 52 |
char *sigerr[NSIG]; /* signal error messages */ |
| 53 |
|
| 54 |
static void onsig(int signo); |
| 55 |
static void sigdie(int signo, char *msg); |
| 56 |
static void printdefaults(void); |
| 57 |
|
| 58 |
|
| 59 |
int |
| 60 |
main(int argc, char *argv[]) |
| 61 |
{ |
| 62 |
#define check(ol,al) if (argv[i][ol] || \ |
| 63 |
badarg(argc-i-1,argv+i+1,al)) \ |
| 64 |
goto badopt |
| 65 |
#define bool(olen,var) switch (argv[i][olen]) { \ |
| 66 |
case '\0': var = !var; break; \ |
| 67 |
case 'y': case 'Y': case 't': case 'T': \ |
| 68 |
case '+': case '1': var = 1; break; \ |
| 69 |
case 'n': case 'N': case 'f': case 'F': \ |
| 70 |
case '-': case '0': var = 0; break; \ |
| 71 |
default: goto badopt; } |
| 72 |
char *octnm = NULL; |
| 73 |
char *err; |
| 74 |
int rval; |
| 75 |
int i; |
| 76 |
/* global program name */ |
| 77 |
progname = argv[0] = fixargv0(argv[0]); |
| 78 |
/* set our defaults */ |
| 79 |
shadthresh = .1; |
| 80 |
shadcert = .25; |
| 81 |
directrelay = 0; |
| 82 |
vspretest = 128; |
| 83 |
srcsizerat = 0.; |
| 84 |
specthresh = .3; |
| 85 |
specjitter = 1.; |
| 86 |
maxdepth = 6; |
| 87 |
minweight = 1e-2; |
| 88 |
ambacc = 0.3; |
| 89 |
ambres = 32; |
| 90 |
ambdiv = 256; |
| 91 |
ambssamp = 64; |
| 92 |
/* option city */ |
| 93 |
for (i = 1; i < argc; i++) { |
| 94 |
/* expand arguments */ |
| 95 |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
| 96 |
; |
| 97 |
if (rval < 0) { |
| 98 |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
| 99 |
error(SYSTEM, errmsg); |
| 100 |
} |
| 101 |
if (argv[i] == NULL || argv[i][0] != '-') |
| 102 |
break; /* break from options */ |
| 103 |
if (!strcmp(argv[i], "-version")) { |
| 104 |
puts(VersionID); |
| 105 |
quit(0); |
| 106 |
} |
| 107 |
if (!strcmp(argv[i], "-defaults") || |
| 108 |
!strcmp(argv[i], "-help")) { |
| 109 |
printdefaults(); |
| 110 |
quit(0); |
| 111 |
} |
| 112 |
if (!strcmp(argv[i], "-devices")) { |
| 113 |
printdevices(); |
| 114 |
quit(0); |
| 115 |
} |
| 116 |
rval = getrenderopt(argc-i, argv+i); |
| 117 |
if (rval >= 0) { |
| 118 |
i += rval; |
| 119 |
continue; |
| 120 |
} |
| 121 |
rval = getviewopt(&ourview, argc-i, argv+i); |
| 122 |
if (rval >= 0) { |
| 123 |
i += rval; |
| 124 |
continue; |
| 125 |
} |
| 126 |
switch (argv[i][1]) { |
| 127 |
case 'n': /* # processes */ |
| 128 |
check(2,"i"); |
| 129 |
nproc = atoi(argv[++i]); |
| 130 |
if (nproc <= 0) |
| 131 |
error(USER, "bad number of processes"); |
| 132 |
break; |
| 133 |
case 'v': /* view file */ |
| 134 |
if (argv[i][2] != 'f') |
| 135 |
goto badopt; |
| 136 |
check(3,"s"); |
| 137 |
rval = viewfile(argv[++i], &ourview, NULL); |
| 138 |
if (rval < 0) { |
| 139 |
sprintf(errmsg, |
| 140 |
"cannot open view file \"%s\"", |
| 141 |
argv[i]); |
| 142 |
error(SYSTEM, errmsg); |
| 143 |
} else if (rval == 0) { |
| 144 |
sprintf(errmsg, |
| 145 |
"bad view file \"%s\"", |
| 146 |
argv[i]); |
| 147 |
error(USER, errmsg); |
| 148 |
} |
| 149 |
break; |
| 150 |
case 'b': /* grayscale */ |
| 151 |
bool(2,greyscale); |
| 152 |
break; |
| 153 |
case 'p': /* pixel */ |
| 154 |
switch (argv[i][2]) { |
| 155 |
case 's': /* sample */ |
| 156 |
check(3,"i"); |
| 157 |
psample = atoi(argv[++i]); |
| 158 |
break; |
| 159 |
case 't': /* threshold */ |
| 160 |
check(3,"f"); |
| 161 |
maxdiff = atof(argv[++i]); |
| 162 |
break; |
| 163 |
case 'e': /* exposure */ |
| 164 |
check(3,"f"); |
| 165 |
exposure = atof(argv[++i]); |
| 166 |
if (argv[i][0] == '+' || argv[i][0] == '-') |
| 167 |
exposure = pow(2.0, exposure); |
| 168 |
break; |
| 169 |
default: |
| 170 |
goto badopt; |
| 171 |
} |
| 172 |
break; |
| 173 |
case 'w': /* warnings */ |
| 174 |
rval = erract[WARNING].pf != NULL; |
| 175 |
bool(2,rval); |
| 176 |
if (rval) erract[WARNING].pf = wputs; |
| 177 |
else erract[WARNING].pf = NULL; |
| 178 |
break; |
| 179 |
case 'e': /* error file */ |
| 180 |
check(2,"s"); |
| 181 |
errfile = argv[++i]; |
| 182 |
break; |
| 183 |
case 'o': /* output device */ |
| 184 |
check(2,"s"); |
| 185 |
dvcname = argv[++i]; |
| 186 |
break; |
| 187 |
case 'R': /* render input file */ |
| 188 |
check(2,"s"); |
| 189 |
strcpy(rifname, argv[++i]); |
| 190 |
break; |
| 191 |
default: |
| 192 |
goto badopt; |
| 193 |
} |
| 194 |
} |
| 195 |
err = setview(&ourview); /* set viewing parameters */ |
| 196 |
if (err != NULL) |
| 197 |
error(USER, err); |
| 198 |
/* set up signal handling */ |
| 199 |
sigdie(SIGINT, "Interrupt"); |
| 200 |
sigdie(SIGTERM, "Terminate"); |
| 201 |
#ifndef _WIN32 |
| 202 |
sigdie(SIGHUP, "Hangup"); |
| 203 |
sigdie(SIGPIPE, "Broken pipe"); |
| 204 |
sigdie(SIGALRM, "Alarm clock"); |
| 205 |
#endif |
| 206 |
/* open error file */ |
| 207 |
if (errfile != NULL) { |
| 208 |
if (freopen(errfile, "a", stderr) == NULL) |
| 209 |
quit(2); |
| 210 |
fprintf(stderr, "**************\n*** PID %5d: ", |
| 211 |
getpid()); |
| 212 |
printargs(argc, argv, stderr); |
| 213 |
putc('\n', stderr); |
| 214 |
fflush(stderr); |
| 215 |
} |
| 216 |
#ifdef NICE |
| 217 |
nice(NICE); /* lower priority */ |
| 218 |
#endif |
| 219 |
/* get octree */ |
| 220 |
if (i == argc) |
| 221 |
octnm = NULL; |
| 222 |
else if (i == argc-1) |
| 223 |
octnm = argv[i]; |
| 224 |
else |
| 225 |
goto badopt; |
| 226 |
if (octnm == NULL) |
| 227 |
error(USER, "missing octree argument"); |
| 228 |
/* set up output & start process(es) */ |
| 229 |
SET_FILE_BINARY(stdout); |
| 230 |
|
| 231 |
ray_init(octnm); |
| 232 |
|
| 233 |
/* PMAP: set up & load photon maps */ |
| 234 |
ray_init_pmap(); |
| 235 |
|
| 236 |
rview(); /* run interactive viewer */ |
| 237 |
|
| 238 |
devclose(); /* close output device */ |
| 239 |
|
| 240 |
/* PMAP: free photon maps */ |
| 241 |
ray_done_pmap(); |
| 242 |
|
| 243 |
quit(0); |
| 244 |
|
| 245 |
badopt: |
| 246 |
sprintf(errmsg, "command line error at '%s'", argv[i]); |
| 247 |
error(USER, errmsg); |
| 248 |
return 1; /* pro forma return */ |
| 249 |
|
| 250 |
#undef check |
| 251 |
#undef bool |
| 252 |
} |
| 253 |
|
| 254 |
|
| 255 |
void |
| 256 |
wputs( /* warning output function */ |
| 257 |
char *s |
| 258 |
) |
| 259 |
{ |
| 260 |
int lasterrno = errno; |
| 261 |
eputs(s); |
| 262 |
errno = lasterrno; |
| 263 |
} |
| 264 |
|
| 265 |
|
| 266 |
void |
| 267 |
eputs( /* put string to stderr */ |
| 268 |
char *s |
| 269 |
) |
| 270 |
{ |
| 271 |
static int midline = 0; |
| 272 |
|
| 273 |
if (!*s) |
| 274 |
return; |
| 275 |
if (!midline++) { |
| 276 |
fputs(progname, stderr); |
| 277 |
fputs(": ", stderr); |
| 278 |
} |
| 279 |
fputs(s, stderr); |
| 280 |
if (s[strlen(s)-1] == '\n') { |
| 281 |
fflush(stderr); |
| 282 |
midline = 0; |
| 283 |
} |
| 284 |
} |
| 285 |
|
| 286 |
|
| 287 |
static void |
| 288 |
onsig( /* fatal signal */ |
| 289 |
int signo |
| 290 |
) |
| 291 |
{ |
| 292 |
static int gotsig = 0; |
| 293 |
|
| 294 |
if (gotsig++) /* two signals and we're gone! */ |
| 295 |
_exit(signo); |
| 296 |
|
| 297 |
#ifndef _WIN32 |
| 298 |
alarm(15); /* allow 15 seconds to clean up */ |
| 299 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
| 300 |
#endif |
| 301 |
eputs("signal - "); |
| 302 |
eputs(sigerr[signo]); |
| 303 |
eputs("\n"); |
| 304 |
devclose(); |
| 305 |
quit(3); |
| 306 |
} |
| 307 |
|
| 308 |
|
| 309 |
static void |
| 310 |
sigdie( /* set fatal signal */ |
| 311 |
int signo, |
| 312 |
char *msg |
| 313 |
) |
| 314 |
{ |
| 315 |
if (signal(signo, onsig) == SIG_IGN) |
| 316 |
signal(signo, SIG_IGN); |
| 317 |
sigerr[signo] = msg; |
| 318 |
} |
| 319 |
|
| 320 |
|
| 321 |
static void |
| 322 |
printdefaults(void) /* print default values to stdout */ |
| 323 |
{ |
| 324 |
printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc); |
| 325 |
printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" : |
| 326 |
"-b-\t\t\t\t# greyscale off\n"); |
| 327 |
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type, |
| 328 |
ourview.type==VT_PER ? "perspective" : |
| 329 |
ourview.type==VT_PAR ? "parallel" : |
| 330 |
ourview.type==VT_HEM ? "hemispherical" : |
| 331 |
ourview.type==VT_ANG ? "angular" : |
| 332 |
ourview.type==VT_CYL ? "cylindrical" : |
| 333 |
ourview.type==VT_PLS ? "planisphere" : |
| 334 |
"unknown"); |
| 335 |
printf("-vp %f %f %f\t# view point\n", |
| 336 |
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
| 337 |
printf("-vd %f %f %f\t# view direction\n", |
| 338 |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
| 339 |
printf("-vu %f %f %f\t# view up\n", |
| 340 |
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
| 341 |
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz); |
| 342 |
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert); |
| 343 |
printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore); |
| 344 |
printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft); |
| 345 |
printf("-vs %f\t\t\t# view shift\n", ourview.hoff); |
| 346 |
printf("-vl %f\t\t\t# view lift\n", ourview.voff); |
| 347 |
printf("-pe %f\t\t\t# pixel exposure\n", exposure); |
| 348 |
printf("-ps %-9d\t\t\t# pixel sample\n", psample); |
| 349 |
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff); |
| 350 |
printf("-o %s\t\t\t\t# output device\n", dvcname); |
| 351 |
printf(erract[WARNING].pf != NULL ? |
| 352 |
"-w+\t\t\t\t# warning messages on\n" : |
| 353 |
"-w-\t\t\t\t# warning messages off\n"); |
| 354 |
print_rdefaults(); |
| 355 |
} |
