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#ifndef lint | 
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static const char       RCSid[] = "$Id$"; | 
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#endif | 
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/* | 
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 *  writeoct.c - routines for writing octree information to stdout. | 
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 * | 
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 *     7/30/85 | 
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 */ | 
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#include  "standard.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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static int  oputint(), oputstr(), puttree(), putobj(); | 
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writeoct(store, scene, ofn)             /* write octree structures to stdout */ | 
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int  store; | 
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CUBE  *scene; | 
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char  *ofn[]; | 
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{ | 
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        char  sbuf[64]; | 
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        register int  i; | 
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                                        /* write format number */ | 
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        oputint((long)(OCTMAGIC+sizeof(OBJECT)), 2); | 
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        if (!(store & IO_BOUNDS)) | 
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                return; | 
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                                        /* write boundaries */ | 
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        for (i = 0; i < 3; i++) { | 
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                sprintf(sbuf, "%.12g", scene->cuorg[i]); | 
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                oputstr(sbuf); | 
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        } | 
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        sprintf(sbuf, "%.12g", scene->cusize); | 
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        oputstr(sbuf); | 
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                                        /* write object file names */ | 
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        if (store & IO_FILES) | 
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                for (i = 0; ofn[i] != NULL; i++) | 
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                        oputstr(ofn[i]); | 
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        oputstr(""); | 
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                                        /* write number of objects */ | 
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        oputint((long)nobjects, sizeof(OBJECT)); | 
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        if (!(store & IO_TREE)) | 
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                return; | 
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                                        /* write the octree */ | 
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        puttree(scene->cutree); | 
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        if (store & IO_FILES || !(store & IO_SCENE)) | 
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                return; | 
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                                        /* write the scene */ | 
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        for (i = 0; i < NUMOTYPE; i++) | 
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                oputstr(ofun[i].funame); | 
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        oputstr(""); | 
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        for (i = 0; i < nobjects; i++) | 
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                putobj(objptr(i)); | 
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        putobj(NULL); | 
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} | 
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static | 
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oputstr(s)                      /* write null-terminated string to stdout */ | 
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register char  *s; | 
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        putstr(s, stdout); | 
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        if (ferror(stdout)) | 
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                error(SYSTEM, "write error in putstr"); | 
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} | 
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static | 
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putfullnode(fn)                 /* write out a full node */ | 
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OCTREE  fn; | 
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{ | 
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        OBJECT  oset[MAXSET+1]; | 
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        register int  i; | 
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        objset(oset, fn); | 
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        for (i = 0; i <= oset[0]; i++) | 
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                oputint((long)oset[i], sizeof(OBJECT)); | 
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} | 
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oputint(i, siz)                 /* write a siz-byte integer to stdout */ | 
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register long  i; | 
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register int  siz; | 
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        putint(i, siz, stdout); | 
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        if (ferror(stdout)) | 
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                error(SYSTEM, "write error in putint"); | 
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} | 
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oputflt(f)                      /* put out floating point number */ | 
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double  f; | 
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        putflt(f, stdout); | 
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        if (ferror(stdout)) | 
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                error(SYSTEM, "write error in putflt"); | 
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} | 
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static | 
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puttree(ot)                     /* write octree to stdout in pre-order form */ | 
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register OCTREE  ot; | 
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{ | 
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        register int  i; | 
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        if (istree(ot)) { | 
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                putc(OT_TREE, stdout);          /* indicate tree */ | 
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                for (i = 0; i < 8; i++)         /* write tree */ | 
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                        puttree(octkid(ot, i)); | 
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        } else if (isfull(ot)) { | 
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                putc(OT_FULL, stdout);          /* indicate fullnode */ | 
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                putfullnode(ot);                /* write fullnode */ | 
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        } else | 
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                putc(OT_EMPTY, stdout);         /* indicate empty */ | 
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} | 
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putobj(o)                       /* write out object */ | 
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register OBJREC  *o; | 
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{ | 
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        register int  i; | 
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        if (o == NULL) {                /* terminator */ | 
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                oputint(-1L, 1); | 
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                return; | 
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        } | 
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        oputint((long)o->otype, 1); | 
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        oputint((long)o->omod, sizeof(OBJECT)); | 
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        oputstr(o->oname); | 
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        oputint((long)o->oargs.nsargs, 2); | 
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        for (i = 0; i < o->oargs.nsargs; i++) | 
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                oputstr(o->oargs.sarg[i]); | 
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#ifdef  IARGS | 
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        oputint((long)o->oargs.niargs, 2); | 
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        for (i = 0; i < o->oargs.niargs; i++) | 
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                oputint((long)o->oargs.iarg[i], 4); | 
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#endif | 
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        oputint((long)o->oargs.nfargs, 2); | 
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        for (i = 0; i < o->oargs.nfargs; i++) | 
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                oputflt(o->oargs.farg[i]); | 
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} |