8 |
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9 |
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#include "copyright.h" |
10 |
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|
11 |
– |
#include <ctype.h> |
11 |
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#include "rcontrib.h" |
12 |
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#include "otypes.h" |
13 |
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#include "source.h" |
41 |
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double seccg = 0.; /* global scattering eccentricity */ |
42 |
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double ssampdist = 0.; /* scatter sampling distance */ |
43 |
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|
44 |
< |
double specthresh = .15; /* specular sampling threshold */ |
44 |
> |
double specthresh = .02; /* specular sampling threshold */ |
45 |
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double specjitter = 1.; /* specular sampling jitter */ |
46 |
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|
47 |
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int backvis = 1; /* back face visibility */ |
101 |
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sprintf(errmsg, "duplicate modifier '%s'", modn); |
102 |
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error(USER, errmsg); |
103 |
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} |
104 |
< |
if (nmods >= MAXMODLIST) |
105 |
< |
error(INTERNAL, "too many modifiers"); |
104 |
> |
if (nmods >= MAXMODLIST) { |
105 |
> |
sprintf(errmsg, "too many modifiers (%d limit)", MAXMODLIST); |
106 |
> |
error(INTERNAL, errmsg); |
107 |
> |
} |
108 |
> |
if (!strcmp(modn, VOIDID)) { |
109 |
> |
sprintf(errmsg, "cannot track '%s' modifier", VOIDID); |
110 |
> |
error(USER, errmsg); |
111 |
> |
} |
112 |
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modname[nmods++] = modn; /* XXX assumes static string */ |
113 |
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lep->key = modn; /* XXX assumes static string */ |
114 |
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if (binv == NULL) |
133 |
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error(SYSTEM, "out of memory in addmodifier"); |
134 |
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mp->outspec = outf; /* XXX assumes static string */ |
135 |
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mp->modname = modn; /* XXX assumes static string */ |
136 |
< |
mp->params = prms; |
136 |
> |
mp->params = prms; /* XXX assumes static string */ |
137 |
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mp->binv = ebinv; |
138 |
+ |
mp->bin0 = 0; |
139 |
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mp->nbins = bincnt; |
140 |
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memset(mp->cbin, 0, sizeof(DCOLOR)*bincnt); |
141 |
< |
/* allocate output streams */ |
142 |
< |
for (i = bincnt; i-- > 0; ) |
143 |
< |
getostream(mp->outspec, mp->modname, i, 1); |
141 |
> |
/* figure out starting bin */ |
142 |
> |
while (!getostream(mp->outspec, mp->modname, mp->bin0, 1)) |
143 |
> |
mp->bin0++; |
144 |
> |
/* allocate other output streams */ |
145 |
> |
for (i = 0; ++i < mp->nbins; ) |
146 |
> |
getostream(mp->outspec, mp->modname, mp->bin0+i, 1); |
147 |
|
lep->data = (char *)mp; |
148 |
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return(mp); |
149 |
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} |
156 |
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char *mname[MAXMODLIST]; |
157 |
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int i; |
158 |
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/* find the file & store strings */ |
159 |
< |
if (wordfile(mname, getpath(fname, getrlibpath(), R_OK)) < 0) { |
159 |
> |
i = wordfile(mname, MAXMODLIST, getpath(fname, getrlibpath(), R_OK)); |
160 |
> |
if (i < 0) { |
161 |
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sprintf(errmsg, "cannot find modifier file '%s'", fname); |
162 |
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error(SYSTEM, errmsg); |
163 |
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} |
164 |
+ |
if (i >= MAXMODLIST-1) { |
165 |
+ |
sprintf(errmsg, "too many modifiers (%d limit) in file '%s'", |
166 |
+ |
MAXMODLIST-1, fname); |
167 |
+ |
error(INTERNAL, errmsg); |
168 |
+ |
} |
169 |
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for (i = 0; mname[i]; i++) /* add each one */ |
170 |
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addmodifier(mname[i], outf, prms, binv, bincnt); |
171 |
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} |
184 |
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|
185 |
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/* Initialize our process(es) */ |
186 |
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static void |
187 |
< |
rcinit() |
187 |
> |
rcinit(void) |
188 |
|
{ |
189 |
|
int i; |
190 |
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|
230 |
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|
231 |
|
/************************** MAIN CALCULATION PROCESS ***********************/ |
232 |
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|
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 |
– |
|
233 |
|
/* Our trace call to sum contributions */ |
234 |
|
static void |
235 |
|
trace_contrib(RAY *r) |
236 |
|
{ |
260 |
– |
static char *last_params = NULL; |
237 |
|
MODCONT *mp; |
238 |
|
double bval; |
239 |
|
int bn; |
250 |
|
if (mp == NULL) /* not in our list? */ |
251 |
|
return; |
252 |
|
|
253 |
< |
worldfunc(RCCONTEXT, r); /* else get bin number */ |
254 |
< |
if (mp->params != last_params) |
255 |
< |
set_eparams(last_params = (char *)mp->params); |
256 |
< |
if ((bval = evalue(mp->binv)) <= -.5) |
281 |
< |
return; /* silently ignore */ |
253 |
> |
worldfunc(RCCONTEXT, r); /* else set context */ |
254 |
> |
set_eparams((char *)mp->params); |
255 |
> |
if ((bval = evalue(mp->binv)) <= -.5) /* and get bin number */ |
256 |
> |
return; /* silently ignore negatives */ |
257 |
|
if ((bn = (int)(bval + .5)) >= mp->nbins) { |
258 |
< |
error(WARNING, "bad bin number (ignored)"); |
258 |
> |
sprintf(errmsg, "bad bin number (%d ignored)", bn); |
259 |
> |
error(WARNING, errmsg); |
260 |
|
return; |
261 |
|
} |
262 |
|
raycontrib(contr, r, PRIMARY); /* compute coefficient */ |
305 |
|
|
306 |
|
/* Accumulate and/or output ray contributions (child or only process) */ |
307 |
|
static void |
308 |
< |
done_contrib() |
308 |
> |
done_contrib(void) |
309 |
|
{ |
310 |
|
MODCONT *mp; |
311 |
|
int i; |
326 |
|
|
327 |
|
/* Principal calculation loop (called by main) */ |
328 |
|
void |
329 |
< |
rcontrib() |
329 |
> |
rcontrib(void) |
330 |
|
{ |
331 |
|
static int ignore_warning_given = 0; |
332 |
|
FVECT orig, direc; |