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#include "ray.h" |
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#include "rpaint.h" |
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#include "otypes.h" |
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#include "otspecial.h" |
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#include "random.h" |
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|
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#ifndef WFLUSH |
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#define WFLUSH 64 /* flush after this many rays */ |
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#define WFLUSH 64 /* flush after this many primary rays */ |
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#endif |
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#ifndef WFLUSH1 |
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#define WFLUSH1 512 /* or this many total rays */ |
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#endif |
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|
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|
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#ifdef SMLFLT |
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#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
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#else |
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#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
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#endif |
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|
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static unsigned long niflush; /* flushes since newimage() */ |
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extern int ray_pnprocs; |
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|
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static RNUMBER niflush; /* flushes since newimage() */ |
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|
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int |
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getrect( /* get a box */ |
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char *s, |
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double *mp |
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) |
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{ |
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int x, y; |
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RAY thisray; |
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int i; |
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|
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if (sscanf(s, "%lf", mp) != 1) |
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*mp = 1.0; |
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else if (*mp < -FTINY) /* negative zoom is reduction */ |
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return(-1); |
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} |
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if (!sscanvec(sskip(s), vec)) { |
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RAY thisray; |
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int x, y; |
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if (dev->getcur == NULL) |
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return(-1); |
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(*dev->comout)("Pick view center\n"); |
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error(COMMAND, "not on image"); |
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return(-1); |
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} |
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if (!direc || ourview.type == VT_PAR) { |
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if (!direc | (ourview.type == VT_PAR)) { |
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int weakhit = 0; |
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FVECT weakpt; |
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rayorigin(&thisray, PRIMARY, NULL, NULL); |
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if (!localhit(&thisray, &thescene)) { |
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error(COMMAND, "not a local object"); |
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return(-1); |
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while (localhit(&thisray, &thescene)) { |
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OBJREC *m = NULL; |
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if (thisray.clipset == NULL || |
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!inset(thisray.clipset, |
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thisray.ro->omod)) |
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m = findmaterial(thisray.ro); |
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if ((m != NULL) & !weakhit && |
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istransp(m->otype) && |
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m->otype != MAT_MIST) { |
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weakhit = 1; |
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VCOPY(weakpt, thisray.rop); |
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} else if (m != NULL && !istransp(m->otype) && |
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!isBSDFproxy(m)) |
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break; /* something solid */ |
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VCOPY(thisray.rorg, thisray.rop); |
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rayclear(&thisray); /* skip invisible */ |
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} |
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if ((thisray.ro == NULL) | (thisray.ro == &Aftplane)) { |
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if (!weakhit) { |
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error(COMMAND, "not a local object"); |
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return(-1); |
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} /* else use weak obj. */ |
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VCOPY(thisray.rop, weakpt); |
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} |
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} |
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if (direc) |
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if (ourview.type == VT_PAR) |
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for (i = 0; i < 3; i++) |
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vec[i] = thisray.rop[i] - ourview.vp[i]; |
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VSUB(vec, thisray.rop, ourview.vp); |
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else |
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VCOPY(vec, thisray.rdir); |
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else |
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VCOPY(vec, thisray.rop); |
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} else if (direc) { |
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for (i = 0; i < 3; i++) |
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vec[i] -= ourview.vp[i]; |
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VSUB(vec, vec, ourview.vp); |
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if (normalize(vec) == 0.0) { |
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error(COMMAND, "point at view origin"); |
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return(-1); |
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} |
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|
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|
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float * /* keep consistent with COLOR typedef */ |
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COLORV * |
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greyof( /* convert color to greyscale */ |
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COLOR col |
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) |
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PNODE *p |
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) |
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{ |
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extern int ray_pnprocs; |
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static unsigned long lastflush = 0; |
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static RAY thisray; |
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int flushintvl; |
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double h, v; |
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|
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if (p->xmax - p->xmin <= 0 || p->ymax - p->ymin <= 0) { /* empty */ |
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if ((p->xmax <= p->xmin) | (p->ymax <= p->ymin)) { /* empty */ |
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p->x = p->xmin; |
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p->y = p->ymin; |
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setcolor(p->v, 0.0, 0.0, 0.0); |
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|
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if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, &ourview, |
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h/hresolu, v/vresolu)) < -FTINY) { |
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setcolor(thisray.rcol, 0.0, 0.0, 0.0); |
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} else { |
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int rval; |
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scolorblack(thisray.rcol); |
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} else if (!ray_pnprocs) { /* immediate mode */ |
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ray_trace(&thisray); |
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} else { /* queuing mode */ |
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int rval; |
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rayorigin(&thisray, PRIMARY, NULL, NULL); |
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thisray.rno = (unsigned long)p; |
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thisray.rno = (RNUMBER)p; |
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rval = ray_pqueue(&thisray); |
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if (!rval) |
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return(0); |
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if (rval < 0) |
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return(-1); |
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/* get node for returned ray */ |
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p = (PNODE *)thisray.rno; |
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} |
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|
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copycolor(p->v, thisray.rcol); |
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scolor_rgb(p->v, thisray.rcol); |
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scalecolor(p->v, exposure); |
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|
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recolor(p); /* paint it */ |
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|
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if (ambounce <= 0) /* shall we check for input? */ |
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flushintvl = ray_pnprocs*WFLUSH; |
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else if (niflush < WFLUSH) |
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flushintvl = ray_pnprocs*niflush/(ambounce+1); |
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else |
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flushintvl = ray_pnprocs*WFLUSH/(ambounce+1); |
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if (dev->flush != NULL) { /* shall we check for input? */ |
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static RNUMBER lastflush = 0; |
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RNUMBER counter = raynum; |
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int flushintvl; |
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if (!ray_pnprocs) { |
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counter = nrays; |
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flushintvl = WFLUSH1; |
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} else if (ambounce == 0) |
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flushintvl = ray_pnprocs*WFLUSH; |
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else if (niflush < WFLUSH) |
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flushintvl = ray_pnprocs*niflush/(ambounce*(ambounce>0)+1); |
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else |
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flushintvl = ray_pnprocs*WFLUSH/(ambounce*(ambounce>0)+1); |
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if (lastflush > counter) |
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lastflush = 0; /* counter wrapped */ |
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|
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if (dev->flush != NULL && raynum - lastflush >= flushintvl) { |
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lastflush = raynum; |
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(*dev->flush)(); |
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niflush++; |
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if (counter - lastflush >= flushintvl) { |
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lastflush = counter; |
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(*dev->flush)(); |
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niflush++; |
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} |
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} |
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return(1); |
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} |
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int nwaited = 0; |
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int rval; |
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RAY raydone; |
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|
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|
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if (!ray_pnprocs) /* immediate mode? */ |
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return(0); |
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while ((rval = ray_presult(&raydone, 0)) > 0) { |
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PNODE *p = (PNODE *)raydone.rno; |
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copycolor(p->v, raydone.rcol); |
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scolor_rgb(p->v, raydone.rcol); |
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scalecolor(p->v, exposure); |
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recolor(p); |
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nwaited++; |
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char *s |
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) |
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{ |
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int newnp; |
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/* change in nproc? */ |
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if (s != NULL && sscanf(s, "%d", &newnp) == 1 && newnp > 0) { |
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< |
if (!newparam) { |
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< |
if (newnp < nproc) |
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ray_pclose(nproc - newnp); |
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else |
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ray_popen(newnp - nproc); |
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} |
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nproc = newnp; |
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} |
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> |
int newnp = 0; |
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/* # rendering procs arg? */ |
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if (s != NULL) |
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sscanf(s, "%d", &newnp); |
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/* free old image */ |
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freepkids(&ptrunk); |
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/* compute resolution */ |
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(*dev->clear)(hresolu, vresolu); |
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|
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if (newparam) { /* (re)start rendering procs */ |
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ray_pclose(0); |
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ray_popen(nproc); |
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> |
if (ray_pnprocs) |
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ray_pclose(0); /* should already be closed */ |
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> |
if (newnp > 0) |
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nproc = newnp; |
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if (nproc > 1) |
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ray_popen(nproc); |
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newparam = 0; |
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} else if ((newnp > 0) & (newnp != nproc)) { |
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if (newnp == 1) /* change # rendering procs */ |
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ray_pclose(0); |
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else if (newnp < ray_pnprocs) |
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ray_pclose(ray_pnprocs - newnp); |
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else |
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ray_popen(newnp - ray_pnprocs); |
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nproc = newnp; |
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} |
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niflush = 0; /* get first value */ |
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paint(&ptrunk); |
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{ |
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int mx, my; |
363 |
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|
364 |
< |
if (p->xmax - p->xmin <= 0 || p->ymax - p->ymin <= 0) |
364 |
> |
if ((p->xmax <= p->xmin) | (p->ymax <= p->ymin)) |
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return; |
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|
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if (p->kid == NULL) { |
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PNODE *p |
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) |
426 |
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{ |
427 |
+ |
int i, navg; |
428 |
+ |
|
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if (p->kid == NULL) |
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return; |
431 |
< |
compavg(p->kid+DL); |
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< |
compavg(p->kid+DR); |
388 |
< |
compavg(p->kid+UL); |
389 |
< |
compavg(p->kid+UR); |
431 |
> |
|
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setcolor(p->v, .0, .0, .0); |
433 |
< |
addcolor(p->v, p->kid[DL].v); |
434 |
< |
addcolor(p->v, p->kid[DR].v); |
435 |
< |
addcolor(p->v, p->kid[UL].v); |
436 |
< |
addcolor(p->v, p->kid[UR].v); |
437 |
< |
scalecolor(p->v, 0.25); |
433 |
> |
navg = 0; |
434 |
> |
for (i = 0; i < 4; i++) { |
435 |
> |
if (p->kid[i].xmin >= p->kid[i].xmax) continue; |
436 |
> |
if (p->kid[i].ymin >= p->kid[i].ymax) continue; |
437 |
> |
compavg(p->kid+i); |
438 |
> |
addcolor(p->v, p->kid[i].v); |
439 |
> |
navg++; |
440 |
> |
} |
441 |
> |
if (navg > 1) |
442 |
> |
scalecolor(p->v, 1./navg); |
443 |
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} |
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|
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|
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) |
538 |
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{ |
539 |
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double d; |
493 |
– |
FVECT v1; |
540 |
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VIEW nv = ourview; |
541 |
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int i; |
542 |
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|
543 |
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spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
544 |
< |
if (elev != 0.0) { |
545 |
< |
fcross(v1, ourview.vup, nv.vdir); |
546 |
< |
normalize(v1); |
501 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
502 |
< |
} |
544 |
> |
if (elev != 0.0) |
545 |
> |
geodesic(nv.vdir, nv.vdir, nv.vup, elev*(-PI/180.), GEOD_RAD); |
546 |
> |
|
547 |
|
if (nv.type == VT_PAR) { |
548 |
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nv.horiz /= mag; |
549 |
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nv.vert /= mag; |