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/* Copyright (c) 1986 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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#include "otypes.h" |
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#define OMARGIN (10*FTINY) /* margin around global cube */ |
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#include "paths.h" |
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#define MAXOBJFIL 63 /* maximum number of scene files */ |
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#define OMARGIN (10*FTINY) /* margin around global cube */ |
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#define MAXOBJFIL 63 /* maximum number of scene files */ |
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char *progname; /* argv[0] */ |
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char *libpath; /* library search path */ |
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char *ofname[MAXOBJFIL+1]; /* object file names */ |
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int nfiles = 0; /* number of object files */ |
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double mincusize; /* minimum cube size from resolu */ |
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double mincusize; /* minimum cube size from resolu */ |
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int (*addobjnotify[])() = {NULL}; /* new object notifier functions */ |
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int argc; |
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char **argv; |
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{ |
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char *getenv(); |
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double atof(); |
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extern char *getenv(); |
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FVECT bbmin, bbmax; |
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char *infile = NULL; |
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int outflags = IO_ALL; |
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OBJECT startobj; |
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OBJECT startobj; |
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int i; |
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progname = argv[0]; |
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progname = argv[0] = fixargv0(argv[0]); |
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if ((libpath = getenv("RAYPATH")) == NULL) |
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libpath = ":/usr/local/lib/ray"; |
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if ((libpath = getenv(ULIBVAR)) == NULL) |
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libpath = DEFPATH; |
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initotypes(); |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
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switch (argv[i][1]) { |
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case '\0': /* scene from stdin */ |
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break; |
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} |
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breakopt: |
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#ifdef MSDOS |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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if (infile != NULL) { /* get old octree & objects */ |
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if (thescene.cusize > FTINY) |
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error(USER, "only one of '-b' or '-i'"); |
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} |
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printargs(argc, argv, stdout); /* info. header */ |
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fputformat(OCTFMT, stdout); |
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printf("\n"); |
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startobj = nobjects; /* previous objects already converted */ |
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for ( ; i < argc; i++) /* read new scene descriptions */ |
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if (!strcmp(argv[i], "-")) { /* from stdin */ |
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readobj(NULL); |
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} |
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mincusize = thescene.cusize / resolu - FTINY; |
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for (i = startobj; i < nobjects; i++) /* add new objects */ |
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addobject(&thescene, i); |
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thescene.cutree = combine(thescene.cutree); /* optimize */ |
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writeoct(outflags, &thescene, ofname); /* write structures to stdout */ |
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} |
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#define bitop(f,i,op) (f[((i)>>3)] op (1<<((i)&7))) |
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#define tstbit(f,i) bitop(f,i,&) |
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#define setbit(f,i) bitop(f,i,|=) |
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#define clrbit(f,i) bitop(f,i,&=~) |
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#define tglbit(f,i) bitop(f,i,^=) |
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#define bitop(f,i,op) (f[((i)>>3)] op (1<<((i)&7))) |
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#define tstbit(f,i) bitop(f,i,&) |
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#define setbit(f,i) bitop(f,i,|=) |
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#define clrbit(f,i) bitop(f,i,&=~) |
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#define tglbit(f,i) bitop(f,i,^=) |
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addobject(cu, obj) /* add an object to a cube */ |
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register CUBE *cu; |
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OBJECT obj; |
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OBJECT obj; |
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{ |
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CUBE cukid; |
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OCTREE ot; |
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OBJECT oset[MAXSET+1]; |
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unsigned char inflg[MAXSET/8], volflg[MAXSET/8]; |
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OCTREE ot; |
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OBJECT oset[MAXSET+1]; |
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unsigned char inflg[(MAXSET+7)/8], volflg[(MAXSET+7)/8]; |
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int in; |
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register int i, j; |
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if (in == O_MISS) |
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return; /* no intersection */ |
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if (istree(cu->cutree)) { |
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/* do children */ |
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cukid.cusize = cu->cusize * 0.5; |
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/* add to full node */ |
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objset(oset, cu->cutree); |
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cukid.cusize = cu->cusize * 0.5; |
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if (in==O_IN || oset[0] < objlim || cukid.cusize < mincusize) { |
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/* add to set */ |
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if (oset[0] >= MAXSET) { |
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sprintf(errmsg, |
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"set overflow in addobject (%s)", |
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sprintf(errmsg, "set overflow in addobject (%s)", |
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objptr(obj)->oname); |
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error(INTERNAL, errmsg); |
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} |
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if (isvolume(objptr(oset[j])->otype)) { |
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setbit(volflg,j-1); |
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if ((*ofun[objptr(oset[j])->otype].funp) |
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(objptr(oset[j]),cu) == O_IN) |
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(objptr(oset[j]), cu) == O_IN) |
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setbit(inflg,j-1); |
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} |
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/* assign subcubes */ |
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addobject(&cukid, oset[j]); |
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/* then this object */ |
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addobject(&cukid, obj); |
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/* partial volumes */ |
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/* then partial volumes */ |
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for (j = 1; j <= oset[0]; j++) |
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if (tstbit(volflg,j-1) && |
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!tstbit(inflg,j-1)) |
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addobject(&cukid, oset[j]); |
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/* full volumes */ |
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/* full volumes last */ |
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for (j = 1; j <= oset[0]; j++) |
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if (tstbit(inflg,j-1)) |
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addobject(&cukid, oset[j]); |
