158 |
|
OBJREC *srcMod = objptr(sp -> so -> omod); |
159 |
|
MODCONT *srcContrib = (MODCONT*)lu_find(pmap -> srcContrib, |
160 |
|
srcMod -> oname) -> data; |
161 |
< |
|
162 |
< |
if (srcContrib) { |
163 |
< |
/* Photon's emitting light source has modifier whose |
164 |
< |
* contributions are sought */ |
165 |
< |
double srcBinReal; |
166 |
< |
int srcBin; |
167 |
< |
RAY srcRay; |
161 |
> |
if (!srcContrib) |
162 |
> |
continue; |
163 |
|
|
164 |
< |
if (srcContrib -> binv -> type != NUM) { |
165 |
< |
/* Use intersection function to set shadow ray parameters |
166 |
< |
*/ |
167 |
< |
rayorigin(&srcRay, SHADOW, NULL, NULL); |
168 |
< |
srcRay.rsrc = primary -> srcIdx; |
169 |
< |
VCOPY(srcRay.rorg, primary -> pos); |
170 |
< |
VCOPY(srcRay.rdir, primary -> dir); |
171 |
< |
if (!(source [primary -> srcIdx].sflags & SDISTANT ? |
164 |
> |
/* Photon's emitting light source has modifier whose |
165 |
> |
* contributions are sought */ |
166 |
> |
double srcBinReal; |
167 |
> |
int srcBin; |
168 |
> |
RAY srcRay; |
169 |
> |
|
170 |
> |
if (srcContrib -> binv -> type != NUM) { |
171 |
> |
/* Use intersection function to set shadow ray parameters |
172 |
> |
* if it's not simply a constant |
173 |
> |
*/ |
174 |
> |
rayorigin(&srcRay, SHADOW, NULL, NULL); |
175 |
> |
srcRay.rsrc = primary -> srcIdx; |
176 |
> |
VCOPY(srcRay.rorg, primary -> pos); |
177 |
> |
VCOPY(srcRay.rdir, primary -> dir); |
178 |
> |
if (!(source [primary -> srcIdx].sflags & SDISTANT ? |
179 |
|
sourcehit(&srcRay) : |
180 |
|
(*ofun[sp -> so -> otype].funp)(sp -> so, &srcRay))) |
181 |
< |
continue; /* XXX shouldn't happen! */ |
182 |
< |
worldfunc(RCCONTEXT, &srcRay); |
183 |
< |
set_eparams((char *)srcContrib -> params); |
184 |
< |
} |
185 |
< |
if ((srcBinReal = evalue(srcContrib -> binv)) < -.5) |
186 |
< |
continue; /* silently ignore negative bins */ |
181 |
> |
continue; /* XXX shouldn't happen! */ |
182 |
> |
worldfunc(RCCONTEXT, &srcRay); |
183 |
> |
set_eparams((char *)srcContrib -> params); |
184 |
> |
} |
185 |
> |
|
186 |
> |
if ((srcBinReal = evalue(srcContrib -> binv)) < -.5) |
187 |
> |
continue; /* silently ignore negative bins */ |
188 |
|
|
189 |
< |
if ((srcBin = srcBinReal + .5) >= srcContrib -> nbins) { |
190 |
< |
error(WARNING, "bad bin number (ignored)"); |
191 |
< |
continue; |
192 |
< |
} |
189 |
> |
if ((srcBin = srcBinReal + .5) >= srcContrib -> nbins) { |
190 |
> |
error(WARNING, "bad bin number (ignored)"); |
191 |
> |
continue; |
192 |
> |
} |
193 |
|
|
194 |
< |
if (!contrib) { |
195 |
< |
/* Ray coefficient mode; normalise by light source radiance |
196 |
< |
* after applying distrib pattern */ |
197 |
< |
int j; |
198 |
< |
raytexture(ray, srcMod -> omod); |
199 |
< |
setcolor(ray -> rcol, srcMod -> oargs.farg [0], |
194 |
> |
if (!contrib) { |
195 |
> |
/* Ray coefficient mode; normalise by light source radiance |
196 |
> |
* after applying distrib pattern */ |
197 |
> |
int j; |
198 |
> |
raytexture(ray, srcMod -> omod); |
199 |
> |
setcolor(ray -> rcol, srcMod -> oargs.farg [0], |
200 |
|
srcMod -> oargs.farg [1], srcMod -> oargs.farg [2]); |
201 |
< |
multcolor(ray -> rcol, ray -> pcol); |
202 |
< |
for (j = 0; j < 3; j++) |
203 |
< |
flux [j] = ray -> rcol [j] ? flux [j] / ray -> rcol [j] |
201 |
> |
multcolor(ray -> rcol, ray -> pcol); |
202 |
> |
for (j = 0; j < 3; j++) |
203 |
> |
flux [j] = ray -> rcol [j] ? flux [j] / ray -> rcol [j] |
204 |
|
: 0; |
205 |
< |
} |
205 |
> |
} |
206 |
|
|
207 |
< |
multcolor(flux, rayCoeff); |
208 |
< |
addcolor(srcContrib -> cbin [srcBin], flux); |
206 |
< |
} |
207 |
< |
else fprintf(stderr, "Skipped contrib from %s\n", srcMod -> oname); |
207 |
> |
multcolor(flux, rayCoeff); |
208 |
> |
addcolor(srcContrib -> cbin [srcBin], flux); |
209 |
|
} |
210 |
|
} |
211 |
|
|