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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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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* oconv.c - main program for object to octree conversion. |
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* |
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*/ |
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#include "standard.h" |
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#include "platform.h" |
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#include "octree.h" |
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#include "object.h" |
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#include "otypes.h" |
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#include "paths.h" |
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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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#define MAXOBJFIL 127 /* 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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int nowarn = 0; /* supress warnings? */ |
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int objlim = 5; /* # of objects before split */ |
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int objlim = 6; /* # of objects before split */ |
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int resolu = 1024; /* octree resolution limit */ |
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int resolu = 16384; /* octree resolution limit */ |
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CUBE thescene = {EMPTY, {0.0, 0.0, 0.0}, 0.0}; /* our scene */ |
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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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void (*addobjnotify[])() = {NULL}; /* new object notifier functions */ |
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main(argc, argv) /* convert object files to an octree */ |
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int argc; |
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char **argv; |
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char *argv[]; |
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{ |
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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 inpfrozen = 0; |
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progname = argv[0] = fixargv0(argv[0]); |
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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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outflags &= ~IO_FILES; |
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goto breakopt; |
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case 'i': /* input octree */ |
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infile = argv[++i]; |
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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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SET_FILE_BINARY(stdout); |
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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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void |
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quit(code) /* exit program */ |
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int code; |
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{ |
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} |
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void |
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cputs() /* interactive error */ |
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{ |
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/* referenced, but not used */ |
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} |
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void |
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wputs(s) /* warning message */ |
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char *s; |
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{ |
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} |
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void |
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eputs(s) /* put string to stderr */ |
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register char *s; |
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{ |
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register CUBE *cu; |
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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+7)/8], volflg[(MAXSET+7)/8]; |
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int in; |
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register int i, j; |
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int inc; |
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in = (*ofun[objptr(obj)->otype].funp)(objptr(obj), cu); |
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inc = (*ofun[objptr(obj)->otype].funp)(objptr(obj), cu); |
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if (in == O_MISS) |
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if (inc == 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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CUBE cukid; /* do children */ |
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int i, j; |
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cukid.cusize = cu->cusize * 0.5; |
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for (i = 0; i < 8; i++) { |
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cukid.cutree = octkid(cu->cutree, i); |
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return; |
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} |
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if (isempty(cu->cutree)) { |
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/* singular set */ |
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OBJECT oset[2]; /* singular set */ |
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oset[0] = 1; oset[1] = obj; |
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cu->cutree = fullnode(oset); |
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return; |
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} |
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/* add to full node */ |
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add2full(cu, obj, inc); |
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} |
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add2full(cu, obj, inc) /* add object to full node */ |
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register CUBE *cu; |
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OBJECT obj; |
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int inc; |
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{ |
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OCTREE ot; |
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OBJECT oset[MAXSET+1]; |
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CUBE cukid; |
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unsigned char inflg[(MAXSET+7)/8], volflg[(MAXSET+7)/8]; |
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register int i, j; |
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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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if (inc==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, "set overflow in addobject (%s)", |
