| 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 |
+ |
static void |
| 220 |
+ |
set_eparams(char *prms) |
| 221 |
+ |
{ |
| 222 |
+ |
char vname[64]; |
| 223 |
+ |
double value; |
| 224 |
+ |
char *cps, *cpd; |
| 225 |
+ |
/* assign each variable */ |
| 226 |
+ |
for (cps = prms; *cps; cps++) { |
| 227 |
+ |
if (isspace(*cps)) |
| 228 |
+ |
continue; |
| 229 |
+ |
if (!isalpha(*cps)) |
| 230 |
+ |
goto bad_params; |
| 231 |
+ |
cpd = vname; |
| 232 |
+ |
while (*cps && (*cps != '=') & !isspace(*cps)) { |
| 233 |
+ |
if (!isid(*cps)) |
| 234 |
+ |
goto bad_params; |
| 235 |
+ |
*cpd++ = *cps++; |
| 236 |
+ |
} |
| 237 |
+ |
if (cpd == vname) |
| 238 |
+ |
goto bad_params; |
| 239 |
+ |
*cpd = '\0'; |
| 240 |
+ |
while (isspace(*cps)) cps++; |
| 241 |
+ |
if (*cps++ != '=') |
| 242 |
+ |
goto bad_params; |
| 243 |
+ |
value = atof(cps); |
| 244 |
+ |
if ((cps = fskip(cps)) == NULL) |
| 245 |
+ |
goto bad_params; |
| 246 |
+ |
while (isspace(*cps)) cps++; |
| 247 |
+ |
cps += (*cps == ',') | (*cps == ';'); |
| 248 |
+ |
varset(vname, '=', value); |
| 249 |
+ |
} |
| 250 |
+ |
return; |
| 251 |
+ |
bad_params: |
| 252 |
+ |
sprintf(errmsg, "bad parameter list '%s'", prms); |
| 253 |
+ |
error(USER, errmsg); |
| 254 |
+ |
} |
| 255 |
+ |
|
| 256 |
|
/* Our trace call to sum contributions */ |
| 257 |
|
static void |
| 258 |
|
trace_contrib(RAY *r) |
| 259 |
|
{ |
| 260 |
+ |
static char *last_params = NULL; |
| 261 |
|
MODCONT *mp; |
| 262 |
|
double bval; |
| 263 |
|
int bn; |
| 265 |
|
|
| 266 |
|
if (r->ro == NULL || r->ro->omod == OVOID) |
| 267 |
|
return; |
| 268 |
+ |
/* shadow ray not on source? */ |
| 269 |
+ |
if (r->rsrc >= 0 && source[r->rsrc].so != r->ro) |
| 270 |
+ |
return; |
| 271 |
|
|
| 272 |
|
mp = (MODCONT *)lu_find(&modconttab,objptr(r->ro->omod)->oname)->data; |
| 273 |
|
|
| 274 |
|
if (mp == NULL) /* not in our list? */ |
| 275 |
|
return; |
| 230 |
– |
/* shadow ray not on source? */ |
| 231 |
– |
if (r->rsrc >= 0 && source[r->rsrc].so != r->ro) |
| 232 |
– |
return; |
| 276 |
|
|
| 277 |
|
worldfunc(RCCONTEXT, r); /* else get bin number */ |
| 278 |
+ |
if (mp->params != last_params) |
| 279 |
+ |
set_eparams(last_params = (char *)mp->params); |
| 280 |
|
if ((bval = evalue(mp->binv)) <= -.5) |
| 281 |
|
return; /* silently ignore */ |
| 282 |
|
if ((bn = (int)(bval + .5)) >= mp->nbins) { |
