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#include "copyright.h" |
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#include "standard.h" |
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#include <stdio.h> |
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#include <time.h> |
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#include "platform.h" |
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#include "paths.h" |
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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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#include "resolu.h" |
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static double ogetflt(); |
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static long ogetint(); |
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static char *ogetstr(); |
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static int nonsurfinset(); |
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static int getobj(), octerror(), skiptree(); |
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static OCTREE getfullnode(), gettree(); |
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static double ogetflt(void); |
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static long ogetint(int); |
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static char *ogetstr(char *); |
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static int nonsurfintree(OCTREE ot); |
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static void octerror(int etyp, char *msg); |
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static void skiptree(void); |
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static OCTREE getfullnode(void), gettree(void); |
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static char *infn; /* input file specification */ |
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static FILE *infp; /* input file stream */ |
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static int objsize; /* size of stored OBJECT's */ |
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static OBJECT objorig; /* zeroeth object */ |
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static OBJECT fnobjects; /* number of objects in this file */ |
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static short otypmap[NUMOTYPE+8]; /* object type map */ |
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int |
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readoct(inpspec, load, scene, ofn) /* read in octree file or stream */ |
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char *inpspec; |
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int load; |
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CUBE *scene; |
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char *ofn[]; |
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> |
readoct( /* read in octree file or stream */ |
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char *inpspec, |
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int load, |
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CUBE *scene, |
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char *ofn[] |
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) |
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{ |
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char sbuf[512]; |
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int nf; |
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register int i; |
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int i; |
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long m; |
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if (inpspec == NULL) { |
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error(SYSTEM, errmsg); |
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} |
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} |
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#ifdef MSDOS |
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setmode(fileno(infp), O_BINARY); |
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#endif |
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SET_FILE_BINARY(infp); |
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/* get header */ |
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if (checkheader(infp, OCTFMT, load&IO_INFO ? stdout : (FILE *)NULL) < 0) |
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octerror(USER, "not an octree"); |
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else if (load & IO_SCENE && nf == 0) |
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skiptree(); |
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if (load & IO_SCENE) /* get the scene */ |
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if (load & IO_SCENE) { /* get the scene */ |
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if (nf == 0) { |
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for (i = 0; *ogetstr(sbuf); i++) |
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if ((otypmap[i] = otype(sbuf)) < 0) { |
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sprintf(errmsg, "unknown type \"%s\"", sbuf); |
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octerror(WARNING, errmsg); |
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} |
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while (getobj() != OVOID) |
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; |
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> |
/* load binary scene data */ |
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> |
readscene(infp, objsize); |
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> |
|
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} else { /* consistency checks */ |
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/* check object count */ |
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if (nobjects != objorig+fnobjects) |
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octerror(USER, "bad object count; octree stale?"); |
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/* check for non-surfaces */ |
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< |
if (dosets(nonsurfinset)) |
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if (nonsurfintree(scene->cutree)) |
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octerror(USER, "modifier in tree; octree stale?"); |
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} |
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} |
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/* close the input */ |
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if (infn[0] == '!') |
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pclose(infp); |
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static char * |
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ogetstr(s) /* get null-terminated string */ |
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char *s; |
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ogetstr(char *s) /* get null-terminated string */ |
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{ |
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extern char *getstr(); |
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static long |
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ogetint(siz) /* get a siz-byte integer */ |
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int siz; |
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> |
ogetint(int siz) /* get a siz-byte integer */ |
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{ |
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extern long getint(); |
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register long r; |
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default: |
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octerror(USER, "damaged octree"); |
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} |
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+ |
return EMPTY; /* pro forma return */ |
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} |
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static int |
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nonsurfinset(os) /* check set for modifier */ |
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register OBJECT *os; |
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> |
nonsurfintree(OCTREE ot) /* check tree for modifiers */ |
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{ |
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< |
register OBJECT s; |
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> |
OBJECT set[MAXSET+1]; |
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register int i; |
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|
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< |
for (i = *os; i-- > 0; ) |
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if ((s = *++os) >= objorig && s < objorig+fnobjects && |
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< |
ismodifier(objptr(s)->otype)) |
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> |
if (isempty(ot)) |
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> |
return(0); |
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> |
if (istree(ot)) { |
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> |
for (i = 0; i < 8; i++) |
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> |
if (nonsurfintree(octkid(ot, i))) |
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> |
return(1); |
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> |
return(0); |
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> |
} |
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> |
objset(set, ot); |
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> |
for (i = set[0]; i > 0; i-- ) |
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> |
if (ismodifier(objptr(set[i])->otype)) |
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return(1); |
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return(0); |
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} |
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< |
static |
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< |
skiptree() /* skip octree on input */ |
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> |
static void |
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> |
skiptree(void) /* skip octree on input */ |
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{ |
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register int i; |
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} |
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< |
static |
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getobj() /* get next object */ |
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{ |
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< |
char sbuf[MAXSTR]; |
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int obj; |
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< |
register int i; |
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< |
register long m; |
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< |
register OBJREC *objp; |
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< |
|
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< |
i = ogetint(1); |
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< |
if (i == -1) |
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< |
return(OVOID); /* terminator */ |
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< |
if ((obj = newobject()) == OVOID) |
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< |
error(SYSTEM, "out of object space"); |
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< |
objp = objptr(obj); |
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< |
if ((objp->otype = otypmap[i]) < 0) |
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< |
octerror(USER, "reference to unknown type"); |
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< |
if ((m = ogetint(objsize)) != OVOID) { |
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< |
m += objorig; |
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< |
if ((OBJECT)m != m) |
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< |
octerror(USER, "too many objects"); |
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< |
} |
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< |
objp->omod = m; |
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< |
objp->oname = savqstr(ogetstr(sbuf)); |
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< |
if (objp->oargs.nsargs = ogetint(2)) { |
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< |
objp->oargs.sarg = (char **)malloc |
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< |
(objp->oargs.nsargs*sizeof(char *)); |
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< |
if (objp->oargs.sarg == NULL) |
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< |
goto memerr; |
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< |
for (i = 0; i < objp->oargs.nsargs; i++) |
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< |
objp->oargs.sarg[i] = savestr(ogetstr(sbuf)); |
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< |
} else |
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< |
objp->oargs.sarg = NULL; |
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< |
#ifdef IARGS |
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< |
if (objp->oargs.niargs = ogetint(2)) { |
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< |
objp->oargs.iarg = (long *)malloc |
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< |
(objp->oargs.niargs*sizeof(long)); |
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< |
if (objp->oargs.iarg == NULL) |
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< |
goto memerr; |
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< |
for (i = 0; i < objp->oargs.niargs; i++) |
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< |
objp->oargs.iarg[i] = ogetint(4); |
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< |
} else |
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< |
objp->oargs.iarg = NULL; |
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< |
#endif |
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< |
if (objp->oargs.nfargs = ogetint(2)) { |
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< |
objp->oargs.farg = (FLOAT *)malloc |
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< |
(objp->oargs.nfargs*sizeof(FLOAT)); |
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< |
if (objp->oargs.farg == NULL) |
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< |
goto memerr; |
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< |
for (i = 0; i < objp->oargs.nfargs; i++) |
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< |
objp->oargs.farg[i] = ogetflt(); |
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< |
} else |
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< |
objp->oargs.farg = NULL; |
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< |
/* initialize */ |
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< |
objp->os = NULL; |
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< |
/* insert */ |
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< |
insertobject(obj); |
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< |
return(obj); |
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< |
memerr: |
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< |
error(SYSTEM, "out of memory in getobj"); |
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< |
} |
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< |
|
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< |
|
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< |
static |
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< |
octerror(etyp, msg) /* octree error */ |
| 315 |
< |
int etyp; |
| 316 |
< |
char *msg; |
| 255 |
> |
static void |
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> |
octerror(int etyp, char *msg) /* octree error */ |
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{ |
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char msgbuf[128]; |
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|
