| 6 |
|
* Initialization and calculation routines |
| 7 |
|
*/ |
| 8 |
|
|
| 9 |
+ |
#include "copyright.h" |
| 10 |
+ |
|
| 11 |
+ |
#include <ctype.h> |
| 12 |
|
#include "rcontrib.h" |
| 13 |
|
#include "otypes.h" |
| 14 |
|
#include "source.h" |
| 91 |
|
|
| 92 |
|
/* Add modifier to our list to track */ |
| 93 |
|
MODCONT * |
| 94 |
< |
addmodifier(char *modn, char *outf, char *binv, int bincnt) |
| 94 |
> |
addmodifier(char *modn, char *outf, char *prms, char *binv, int bincnt) |
| 95 |
|
{ |
| 96 |
|
LUENT *lep = lu_find(&modconttab,modn); |
| 97 |
|
MODCONT *mp; |
| 128 |
|
error(SYSTEM, "out of memory in addmodifier"); |
| 129 |
|
mp->outspec = outf; /* XXX assumes static string */ |
| 130 |
|
mp->modname = modn; /* XXX assumes static string */ |
| 131 |
+ |
mp->params = prms; |
| 132 |
|
mp->binv = ebinv; |
| 133 |
|
mp->nbins = bincnt; |
| 134 |
|
memset(mp->cbin, 0, sizeof(DCOLOR)*bincnt); |
| 142 |
|
|
| 143 |
|
/* Add modifiers from a file list */ |
| 144 |
|
void |
| 145 |
< |
addmodfile(char *fname, char *outf, char *binv, int bincnt) |
| 145 |
> |
addmodfile(char *fname, char *outf, char *prms, char *binv, int bincnt) |
| 146 |
|
{ |
| 147 |
|
char *mname[MAXMODLIST]; |
| 148 |
|
int i; |
| 152 |
|
error(SYSTEM, errmsg); |
| 153 |
|
} |
| 154 |
|
for (i = 0; mname[i]; i++) /* add each one */ |
| 155 |
< |
addmodifier(mname[i], outf, binv, bincnt); |
| 155 |
> |
addmodifier(mname[i], outf, prms, binv, bincnt); |
| 156 |
|
} |
| 157 |
|
|
| 158 |
|
|
| 215 |
|
|
| 216 |
|
/************************** MAIN CALCULATION PROCESS ***********************/ |
| 217 |
|
|
| 218 |
+ |
/* Set parameters for current bin evaluation */ |
| 219 |
+ |
void |
| 220 |
+ |
set_eparams(char *prms) |
| 221 |
+ |
{ |
| 222 |
+ |
static char *last_params = NULL; |
| 223 |
+ |
char vname[RMAXWORD]; |
| 224 |
+ |
double value; |
| 225 |
+ |
char *cpd; |
| 226 |
+ |
/* check if already set */ |
| 227 |
+ |
if ((prms == NULL) | (prms == last_params)) |
| 228 |
+ |
return; |
| 229 |
+ |
if (last_params != NULL && !strcmp(prms, last_params)) |
| 230 |
+ |
return; |
| 231 |
+ |
last_params = prms; /* assign each variable */ |
| 232 |
+ |
while (*prms) { |
| 233 |
+ |
if (isspace(*prms)) { |
| 234 |
+ |
++prms; continue; |
| 235 |
+ |
} |
| 236 |
+ |
if (!isalpha(*prms)) |
| 237 |
+ |
goto bad_params; |
| 238 |
+ |
cpd = vname; |
| 239 |
+ |
while (*prms && (*prms != '=') & !isspace(*prms)) { |
| 240 |
+ |
if (!isid(*prms)) |
| 241 |
+ |
goto bad_params; |
| 242 |
+ |
*cpd++ = *prms++; |
| 243 |
+ |
} |
| 244 |
+ |
if (cpd == vname) |
| 245 |
+ |
goto bad_params; |
| 246 |
+ |
*cpd = '\0'; |
| 247 |
+ |
while (isspace(*prms)) prms++; |
| 248 |
+ |
if (*prms++ != '=') |
| 249 |
+ |
goto bad_params; |
| 250 |
+ |
value = atof(prms); |
| 251 |
+ |
if ((prms = fskip(prms)) == NULL) |
| 252 |
+ |
goto bad_params; |
| 253 |
+ |
while (isspace(*prms)) prms++; |
| 254 |
+ |
prms += (*prms == ',') | (*prms == ';'); |
| 255 |
+ |
varset(vname, '=', value); |
| 256 |
+ |
} |
| 257 |
+ |
return; |
| 258 |
+ |
bad_params: |
| 259 |
+ |
sprintf(errmsg, "bad parameter list '%s'", last_params); |
| 260 |
+ |
error(USER, errmsg); |
| 261 |
+ |
} |
| 262 |
+ |
|
| 263 |
+ |
|
| 264 |
|
/* Our trace call to sum contributions */ |
| 265 |
|
static void |
| 266 |
|
trace_contrib(RAY *r) |
| 267 |
|
{ |
| 268 |
|
MODCONT *mp; |
| 269 |
+ |
double bval; |
| 270 |
|
int bn; |
| 271 |
|
RREAL contr[3]; |
| 272 |
|
|
| 273 |
|
if (r->ro == NULL || r->ro->omod == OVOID) |
| 274 |
|
return; |
| 275 |
+ |
/* shadow ray not on source? */ |
| 276 |
+ |
if (r->rsrc >= 0 && source[r->rsrc].so != r->ro) |
| 277 |
+ |
return; |
| 278 |
|
|
| 279 |
|
mp = (MODCONT *)lu_find(&modconttab,objptr(r->ro->omod)->oname)->data; |
| 280 |
|
|
| 281 |
|
if (mp == NULL) /* not in our list? */ |
| 282 |
|
return; |
| 229 |
– |
/* shadow ray not on source? */ |
| 230 |
– |
if (r->rsrc >= 0 && source[r->rsrc].so != r->ro) |
| 231 |
– |
return; |
| 283 |
|
|
| 284 |
< |
worldfunc(RCCONTEXT, r); /* else get bin number */ |
| 285 |
< |
bn = (int)(evalue(mp->binv) + .5); |
| 286 |
< |
if ((bn < 0) | (bn >= mp->nbins)) { |
| 287 |
< |
error(WARNING, "bad bin number (ignored)"); |
| 284 |
> |
worldfunc(RCCONTEXT, r); /* else set context */ |
| 285 |
> |
set_eparams((char *)mp->params); |
| 286 |
> |
if ((bval = evalue(mp->binv)) <= -.5) /* and get bin number */ |
| 287 |
> |
return; /* silently ignore negatives */ |
| 288 |
> |
if ((bn = (int)(bval + .5)) >= mp->nbins) { |
| 289 |
> |
sprintf(errmsg, "bad bin number (%d ignored)", bn); |
| 290 |
> |
error(WARNING, errmsg); |
| 291 |
|
return; |
| 292 |
|
} |
| 293 |
|
raycontrib(contr, r, PRIMARY); /* compute coefficient */ |
| 309 |
|
thisray.rdir[2] = -dir[2]; |
| 310 |
|
thisray.rmax = 0.0; |
| 311 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 312 |
< |
thisray.rot = 1e-5; /* pretend we hit surface */ |
| 312 |
> |
/* pretend we hit surface */ |
| 313 |
> |
thisray.rt = thisray.rot = 1e-5; |
| 314 |
|
thisray.rod = 1.0; |
| 315 |
+ |
VCOPY(thisray.ron, dir); |
| 316 |
|
VSUM(thisray.rop, org, dir, 1e-4); |
| 317 |
|
samplendx++; /* compute result */ |
| 318 |
|
(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
| 370 |
|
#endif |
| 371 |
|
while (getvec(orig) == 0 && getvec(direc) == 0) { |
| 372 |
|
d = normalize(direc); |
| 373 |
< |
if (nchild != -1 && (d == 0.0) & (accumulate != 1)) { |
| 373 |
> |
if (nchild != -1 && (d == 0.0) & (accumulate == 0)) { |
| 374 |
|
if (!ignore_warning_given++) |
| 375 |
|
error(WARNING, |
| 376 |
|
"dummy ray(s) ignored during accumulation\n"); |
| 380 |
|
lastray = lastdone = 0; |
| 381 |
|
++lastray; |
| 382 |
|
if (d == 0.0) { /* zero ==> flush */ |
| 383 |
< |
if ((yres <= 0) | (xres <= 0)) |
| 384 |
< |
waitflush = 1; /* flush right after */ |
| 385 |
< |
account = 1; |
| 383 |
> |
if ((yres <= 0) | (xres <= 1)) |
| 384 |
> |
waitflush = 1; /* flush after */ |
| 385 |
> |
if (nchild == -1) |
| 386 |
> |
account = 1; |
| 387 |
|
} else if (imm_irrad) { /* else compute */ |
| 388 |
|
eval_irrad(orig, direc); |
| 389 |
|
} else { |
