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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#define CTRL(c) ((c)-'@') |
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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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|
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extern char VersionID[]; |
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extern char *progname; |
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extern char *octname; |
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int change = 0; |
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VIEW nv; |
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|
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while (isspace(*s)) |
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s++; |
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if (*s == '-') { /* command line parameters */ |
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copystruct(&nv, &ourview); |
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if (sscanview(&nv, s)) |
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newview(&nv); |
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else |
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error(COMMAND, "bad view option(s)"); |
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return; |
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} |
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if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
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(fp = fopen(fname, "a")) == NULL) { |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
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if (buf[0] == CTRL('C')) return; |
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if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
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if (sscanvec(buf, nv.vp)) |
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change++; |
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else |
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VCOPY(nv.vp, ourview.vp); |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
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if (buf[0] == CTRL('C')) return; |
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if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
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if (sscanvec(buf, nv.vdir)) |
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change++; |
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else |
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VCOPY(nv.vdir, ourview.vdir); |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
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if (buf[0] == CTRL('C')) return; |
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if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
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if (sscanvec(buf, nv.vup)) |
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change++; |
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else |
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VCOPY(nv.vup, ourview.vup); |
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e *= atof(cp); |
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} |
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if (p != NULL) { /* relative setting */ |
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if (bright(p->v) <= FTINY) { |
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if (bright(p->v) < 1e-25) { |
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error(COMMAND, "cannot normalize to zero"); |
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return; |
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} |
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extern double shadcert; |
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extern COLOR ambval; |
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extern double ambacc; |
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extern double minarad; |
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extern int ambres; |
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extern int ambdiv; |
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extern int ambssamp; |
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extern int directinvis; |
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extern double srcsizerat; |
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extern int do_irrad; |
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extern double specjitter; |
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extern double specthresh; |
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char buf[128]; |
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|
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if (s[0] == '\0') { |
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(*dev->comout)( |
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"aa ab ad ar as av b dc di dj ds dt i lr lw sp st: "); |
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"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
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(*dev->comin)(buf, NULL); |
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s = buf; |
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} |
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break; |
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case 'r': |
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if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
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minarad = ambres > 0 ? |
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thescene.cusize/ambres : 0.0; |
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setambres(ambres); |
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break; |
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default: |
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goto badparam; |
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} |
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break; |
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case 's': /* sample */ |
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case 'p': /* pixel */ |
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switch (s[1]) { |
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case 'p': /* pixel */ |
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if (getparam(s+2, "sample pixel", 'i', &psample)) |
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case 's': /* sample */ |
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if (getparam(s+2, "pixel sample", 'i', &psample)) |
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pdepth = 0; |
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break; |
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case 't': /* threshold */ |
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if (getparam(s+2, "sample threshold", 'r', &maxdiff)) |
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if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
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pdepth = 0; |
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break; |
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default: |
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goto badparam; |
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} |
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break; |
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case 's': /* specular */ |
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switch (s[1]) { |
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case 'j': /* jitter */ |
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getparam(s+2, "specular jitter", 'r', &specjitter); |
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break; |
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case 't': /* threshold */ |
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getparam(s+2, "specular threshold", 'r', &specthresh); |
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break; |
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default: |
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goto badparam; |
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} |
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break; |
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case '\0': /* nothing */ |
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break; |
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default:; |
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int x, y; |
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RAY thisray; |
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|
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if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
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&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
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&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
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if (!sscanvec(s, thisray.rorg) || |
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!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
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|
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if (dev->getcur == NULL) |
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return; |
