| 1 |
– |
/* Copyright (c) 1986 Regents of the University of California */ |
| 2 |
– |
|
| 1 |
|
#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
|
#endif |
| 6 |
– |
|
| 4 |
|
/* |
| 5 |
|
* oconv.c - main program for object to octree conversion. |
| 6 |
|
* |
| 7 |
|
* 7/29/85 |
| 8 |
|
*/ |
| 9 |
|
|
| 10 |
+ |
#include "platform.h" |
| 11 |
|
#include "standard.h" |
| 14 |
– |
|
| 12 |
|
#include "octree.h" |
| 16 |
– |
|
| 13 |
|
#include "object.h" |
| 18 |
– |
|
| 14 |
|
#include "otypes.h" |
| 15 |
+ |
#include "paths.h" |
| 16 |
+ |
#include "resolu.h" |
| 17 |
+ |
#include "oconv.h" |
| 18 |
|
|
| 19 |
< |
#define OMARGIN (10*FTINY) /* margin around global cube */ |
| 19 |
> |
#define OMARGIN (10*FTINY) /* margin around global cube */ |
| 20 |
|
|
| 21 |
< |
#define MAXOBJFIL 63 /* maximum number of scene files */ |
| 21 |
> |
#define MAXOBJFIL 255 /* maximum number of scene files */ |
| 22 |
|
|
| 25 |
– |
char *progname; /* argv[0] */ |
| 26 |
– |
|
| 27 |
– |
char *libpath; /* library search path */ |
| 28 |
– |
|
| 23 |
|
int nowarn = 0; /* supress warnings? */ |
| 24 |
|
|
| 25 |
< |
int objlim = 5; /* # of objects before split */ |
| 25 |
> |
int objlim = 6; /* # of objects before split */ |
| 26 |
|
|
| 27 |
< |
int resolu = 1024; /* octree resolution limit */ |
| 27 |
> |
int resolu = 16384; /* octree resolution limit */ |
| 28 |
|
|
| 29 |
< |
CUBE thescene = {EMPTY, {0.0, 0.0, 0.0}, 0.0}; /* our scene */ |
| 29 |
> |
CUBE thescene = {{0.0, 0.0, 0.0}, 0.0, EMPTY}; /* our scene */ |
| 30 |
|
|
| 31 |
|
char *ofname[MAXOBJFIL+1]; /* object file names */ |
| 32 |
|
int nfiles = 0; /* number of object files */ |
| 33 |
|
|
| 34 |
< |
double mincusize; /* minimum cube size from resolu */ |
| 34 |
> |
double mincusize; /* minimum cube size from resolu */ |
| 35 |
|
|
| 36 |
+ |
void (*addobjnotify[])() = {NULL}; /* new object notifier functions */ |
| 37 |
|
|
| 38 |
< |
main(argc, argv) /* convert object files to an octree */ |
| 39 |
< |
int argc; |
| 40 |
< |
char **argv; |
| 38 |
> |
static void addobject(CUBE *cu, OBJECT obj); |
| 39 |
> |
static void add2full(CUBE *cu, OBJECT obj, int inc); |
| 40 |
> |
|
| 41 |
> |
|
| 42 |
> |
int |
| 43 |
> |
main( /* convert object files to an octree */ |
| 44 |
> |
int argc, |
| 45 |
> |
char *argv[] |
| 46 |
> |
) |
| 47 |
|
{ |
| 47 |
– |
char *getenv(); |
| 48 |
– |
double atof(); |
| 48 |
|
FVECT bbmin, bbmax; |
| 49 |
|
char *infile = NULL; |
| 50 |
+ |
int inpfrozen = 0; |
| 51 |
|
int outflags = IO_ALL; |
| 52 |
< |
OBJECT startobj; |
| 52 |
> |
OBJECT startobj; |
| 53 |
|
int i; |
| 54 |
|
|
| 55 |
< |
progname = argv[0]; |
| 55 |
> |
fixargv0(argv[0]); /* sets global progname */ |
| 56 |
|
|
| 57 |
< |
if ((libpath = getenv("RAYPATH")) == NULL) |
| 58 |
< |
libpath = ":/usr/local/lib/ray"; |
| 57 |
> |
ot_initotypes(); |
| 58 |
|
|
| 59 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 60 |
|
switch (argv[i][1]) { |
| 61 |
+ |
case '\0': /* scene from stdin */ |
| 62 |
+ |
goto breakopt; |
| 63 |
|
case 'i': /* input octree */ |
| 64 |
|
infile = argv[++i]; |
| 65 |
|
break; |
| 86 |
|
error(USER, errmsg); |
| 87 |
|
break; |
| 88 |
|
} |
| 89 |
< |
|
| 89 |
> |
breakopt: |
| 90 |
> |
SET_FILE_BINARY(stdout); |
| 91 |
|
if (infile != NULL) { /* get old octree & objects */ |
| 92 |
|
if (thescene.cusize > FTINY) |
| 93 |
|
error(USER, "only one of '-b' or '-i'"); |
| 94 |
|
nfiles = readoct(infile, IO_ALL, &thescene, ofname); |
| 95 |
< |
if (nfiles == 0 && outflags & IO_FILES) { |
| 96 |
< |
error(WARNING, "frozen octree"); |
| 95 |
> |
if (nfiles == 0) |
| 96 |
> |
inpfrozen++; |
| 97 |
> |
} else |
| 98 |
> |
newheader("RADIANCE", stdout); /* new binary file header */ |
| 99 |
> |
printargs(argc, argv, stdout); |
| 100 |
> |
fputformat(OCTFMT, stdout); |
| 101 |
> |
printf("\n"); |
| 102 |
> |
|
| 103 |
> |
startobj = nobjects; /* previous objects already converted */ |
| 104 |
> |
|
| 105 |
> |
for ( ; i < argc; i++) /* read new scene descriptions */ |
| 106 |
> |
if (!strcmp(argv[i], "-")) { /* from stdin */ |
| 107 |
> |
readobj(NULL); |
| 108 |
|
outflags &= ~IO_FILES; |
| 109 |
+ |
} else { /* from file */ |
| 110 |
+ |
if (nfiles >= MAXOBJFIL) |
| 111 |
+ |
error(INTERNAL, "too many scene files"); |
| 112 |
+ |
readobj(ofname[nfiles++] = argv[i]); |
| 113 |
|
} |
| 97 |
– |
} |
| 114 |
|
|
| 115 |
< |
printargs(argc, argv, stdout); /* info. header */ |
| 100 |
< |
printf("\n"); |
| 115 |
> |
ofname[nfiles] = NULL; |
| 116 |
|
|
| 117 |
< |
startobj = nobjects; /* previous objects already converted */ |
| 118 |
< |
|
| 119 |
< |
for ( ; i < argc; i++) { /* read new files */ |
| 105 |
< |
if (nfiles >= MAXOBJFIL) |
| 106 |
< |
error(INTERNAL, "too many scene files"); |
| 107 |
< |
readobj(ofname[nfiles++] = argv[i]); |
| 117 |
> |
if (inpfrozen && outflags & IO_FILES) { |
| 118 |
> |
error(WARNING, "frozen octree"); |
| 119 |
> |
outflags &= ~IO_FILES; |
| 120 |
|
} |
| 109 |
– |
ofname[nfiles] = NULL; |
| 121 |
|
/* find bounding box */ |
| 122 |
|
bbmin[0] = bbmin[1] = bbmin[2] = FHUGE; |
| 123 |
|
bbmax[0] = bbmax[1] = bbmax[2] = -FHUGE; |
| 130 |
|
bbmin[i] -= OMARGIN; |
| 131 |
|
bbmax[i] += OMARGIN; |
| 132 |
|
} |
| 122 |
– |
VCOPY(thescene.cuorg, bbmin); |
| 133 |
|
for (i = 0; i < 3; i++) |
| 134 |
|
if (bbmax[i] - bbmin[i] > thescene.cusize) |
| 135 |
|
thescene.cusize = bbmax[i] - bbmin[i]; |
| 136 |
+ |
for (i = 0; i < 3; i++) |
| 137 |
+ |
thescene.cuorg[i] = |
| 138 |
+ |
(bbmax[i]+bbmin[i]-thescene.cusize)*.5; |
| 139 |
|
} |
| 140 |
|
} else { |
| 141 |
|
for (i = 0; i < 3; i++) |
| 145 |
|
} |
| 146 |
|
|
| 147 |
|
mincusize = thescene.cusize / resolu - FTINY; |
| 148 |
< |
|
| 148 |
> |
|
| 149 |
|
for (i = startobj; i < nobjects; i++) /* add new objects */ |
| 150 |
|
addobject(&thescene, i); |
| 151 |
< |
|
| 151 |
> |
|
| 152 |
|
thescene.cutree = combine(thescene.cutree); /* optimize */ |
| 153 |
|
|
| 154 |
|
writeoct(outflags, &thescene, ofname); /* write structures to stdout */ |
| 155 |
|
|
| 156 |
|
quit(0); |
| 157 |
+ |
return 0; /* pro forma return */ |
| 158 |
|
} |
| 159 |
|
|
| 160 |
|
|
| 161 |
< |
quit(code) /* exit program */ |
| 162 |
< |
int code; |
| 161 |
> |
void |
| 162 |
> |
quit( /* exit program */ |
| 163 |
> |
int code |
| 164 |
> |
) |
| 165 |
|
{ |
| 166 |
|
exit(code); |
| 167 |
|
} |
| 168 |
|
|
| 169 |
|
|
| 170 |
< |
cputs() /* interactive error */ |
| 170 |
> |
void |
| 171 |
> |
cputs(void) /* interactive error */ |
| 172 |
|
{ |
| 173 |
|
/* referenced, but not used */ |
| 174 |
|
} |
| 175 |
|
|
| 176 |
|
|
| 177 |
< |
wputs(s) /* warning message */ |
| 178 |
< |
char *s; |
| 177 |
> |
void |
| 178 |
> |
wputs( /* warning message */ |
| 179 |
> |
const char *s |
| 180 |
> |
) |
| 181 |
|
{ |
| 182 |
|
if (!nowarn) |
| 183 |
|
eputs(s); |
| 184 |
|
} |
| 185 |
|
|
| 186 |
|
|
| 187 |
< |
eputs(s) /* put string to stderr */ |
| 188 |
< |
register char *s; |
| 187 |
> |
void |
| 188 |
> |
eputs( /* put string to stderr */ |
| 189 |
> |
const char *s |
| 190 |
> |
) |
| 191 |
|
{ |
| 192 |
< |
static int inline = 0; |
| 192 |
> |
static int inln = 0; |
| 193 |
|
|
| 194 |
< |
if (!inline++) { |
| 194 |
> |
if (!inln++) { |
| 195 |
|
fputs(progname, stderr); |
| 196 |
|
fputs(": ", stderr); |
| 197 |
|
} |
| 198 |
|
fputs(s, stderr); |
| 199 |
|
if (*s && s[strlen(s)-1] == '\n') |
| 200 |
< |
inline = 0; |
| 200 |
> |
inln = 0; |
| 201 |
|
} |
| 202 |
|
|
| 203 |
+ |
/* conflicting def's in param.h */ |
| 204 |
+ |
#undef tstbit |
| 205 |
+ |
#undef setbit |
| 206 |
+ |
#undef clrbit |
| 207 |
+ |
#undef tglbit |
| 208 |
|
|
| 209 |
< |
addobject(cu, obj) /* add an object to a cube */ |
| 210 |
< |
register CUBE *cu; |
| 211 |
< |
OBJECT obj; |
| 209 |
> |
#define bitop(f,i,op) (f[((i)>>3)] op (1<<((i)&7))) |
| 210 |
> |
#define tstbit(f,i) bitop(f,i,&) |
| 211 |
> |
#define setbit(f,i) bitop(f,i,|=) |
| 212 |
> |
#define clrbit(f,i) bitop(f,i,&=~) |
| 213 |
> |
#define tglbit(f,i) bitop(f,i,^=) |
| 214 |
> |
|
| 215 |
> |
|
| 216 |
> |
static void |
| 217 |
> |
addobject( /* add an object to a cube */ |
| 218 |
> |
CUBE *cu, |
| 219 |
> |
OBJECT obj |
| 220 |
> |
) |
| 221 |
|
{ |
| 222 |
< |
CUBE cukid; |
| 188 |
< |
OCTREE ot; |
| 189 |
< |
OBJECT oset[MAXSET+1]; |
| 190 |
< |
int in; |
| 191 |
< |
register int i, j; |
| 222 |
> |
int inc; |
| 223 |
|
|
| 224 |
< |
in = (*ofun[objptr(obj)->otype].funp)(objptr(obj), cu); |
| 224 |
> |
inc = (*ofun[objptr(obj)->otype].funp)(objptr(obj), cu); |
| 225 |
|
|
| 226 |
< |
if (!in) |
| 226 |
> |
if (inc == O_MISS) |
| 227 |
|
return; /* no intersection */ |
| 228 |
< |
|
| 228 |
> |
|
| 229 |
|
if (istree(cu->cutree)) { |
| 230 |
< |
/* do children */ |
| 230 |
> |
CUBE cukid; /* do children */ |
| 231 |
> |
int i, j; |
| 232 |
|
cukid.cusize = cu->cusize * 0.5; |
| 233 |
|
for (i = 0; i < 8; i++) { |
| 234 |
|
cukid.cutree = octkid(cu->cutree, i); |
| 240 |
|
addobject(&cukid, obj); |
| 241 |
|
octkid(cu->cutree, i) = cukid.cutree; |
| 242 |
|
} |
| 243 |
< |
|
| 244 |
< |
} else if (isempty(cu->cutree)) { |
| 245 |
< |
/* singular set */ |
| 243 |
> |
return; |
| 244 |
> |
} |
| 245 |
> |
if (isempty(cu->cutree)) { |
| 246 |
> |
OBJECT oset[2]; /* singular set */ |
| 247 |
|
oset[0] = 1; oset[1] = obj; |
| 248 |
|
cu->cutree = fullnode(oset); |
| 249 |
< |
|
| 250 |
< |
} else { |
| 251 |
< |
/* add to full node */ |
| 252 |
< |
objset(oset, cu->cutree); |
| 253 |
< |
cukid.cusize = cu->cusize * 0.5; |
| 221 |
< |
|
| 222 |
< |
if (in == 2 || oset[0] < objlim || cukid.cusize < mincusize) { |
| 223 |
< |
/* add to set */ |
| 224 |
< |
if (oset[0] >= MAXSET) { |
| 225 |
< |
sprintf(errmsg, |
| 226 |
< |
"set overflow in addobject (%s)", |
| 227 |
< |
objptr(obj)->oname); |
| 228 |
< |
error(INTERNAL, errmsg); |
| 229 |
< |
} |
| 230 |
< |
insertelem(oset, obj); |
| 231 |
< |
cu->cutree = fullnode(oset); |
| 249 |
> |
return; |
| 250 |
> |
} |
| 251 |
> |
/* add to full node */ |
| 252 |
> |
add2full(cu, obj, inc); |
| 253 |
> |
} |
| 254 |
|
|
| 255 |
< |
} else { |
| 256 |
< |
/* subdivide cube */ |
| 257 |
< |
if ((ot = octalloc()) == EMPTY) |
| 258 |
< |
error(SYSTEM, "out of octree space"); |
| 259 |
< |
for (i = 0; i < 8; i++) { |
| 260 |
< |
cukid.cutree = EMPTY; |
| 261 |
< |
for (j = 0; j < 3; j++) { |
| 262 |
< |
cukid.cuorg[j] = cu->cuorg[j]; |
| 263 |
< |
if ((1<<j) & i) |
| 264 |
< |
cukid.cuorg[j] += cukid.cusize; |
| 265 |
< |
} |
| 266 |
< |
for (j = 1; j <= oset[0]; j++) |
| 267 |
< |
addobject(&cukid, oset[j]); |
| 268 |
< |
addobject(&cukid, obj); |
| 269 |
< |
octkid(ot, i) = cukid.cutree; |
| 270 |
< |
} |
| 271 |
< |
cu->cutree = ot; |
| 255 |
> |
|
| 256 |
> |
static void |
| 257 |
> |
add2full( /* add object to full node */ |
| 258 |
> |
CUBE *cu, |
| 259 |
> |
OBJECT obj, |
| 260 |
> |
int inc |
| 261 |
> |
) |
| 262 |
> |
{ |
| 263 |
> |
OCTREE ot; |
| 264 |
> |
OBJECT oset[MAXSET+1]; |
| 265 |
> |
CUBE cukid; |
| 266 |
> |
unsigned char inflg[(MAXSET+7)/8], volflg[(MAXSET+7)/8]; |
| 267 |
> |
int i, j; |
| 268 |
> |
|
| 269 |
> |
objset(oset, cu->cutree); |
| 270 |
> |
cukid.cusize = cu->cusize * 0.5; |
| 271 |
> |
|
| 272 |
> |
if (inc==O_IN || oset[0] < objlim || cukid.cusize < |
| 273 |
> |
(oset[0] < MAXSET ? mincusize : mincusize/256.0)) { |
| 274 |
> |
/* add to set */ |
| 275 |
> |
if (oset[0] >= MAXSET) { |
| 276 |
> |
sprintf(errmsg, "set overflow in addobject (%s)", |
| 277 |
> |
objptr(obj)->oname); |
| 278 |
> |
error(INTERNAL, errmsg); |
| 279 |
|
} |
| 280 |
+ |
insertelem(oset, obj); |
| 281 |
+ |
cu->cutree = fullnode(oset); |
| 282 |
+ |
return; |
| 283 |
|
} |
| 284 |
+ |
/* subdivide cube */ |
| 285 |
+ |
if ((ot = octalloc()) == EMPTY) |
| 286 |
+ |
error(SYSTEM, "out of octree space"); |
| 287 |
+ |
/* mark volumes */ |
| 288 |
+ |
j = (oset[0]+7)>>3; |
| 289 |
+ |
while (j--) |
| 290 |
+ |
volflg[j] = inflg[j] = 0; |
| 291 |
+ |
for (j = 1; j <= oset[0]; j++) |
| 292 |
+ |
if (isvolume(objptr(oset[j])->otype)) { |
| 293 |
+ |
setbit(volflg,j-1); |
| 294 |
+ |
if ((*ofun[objptr(oset[j])->otype].funp) |
| 295 |
+ |
(objptr(oset[j]), cu) == O_IN) |
| 296 |
+ |
setbit(inflg,j-1); |
| 297 |
+ |
} |
| 298 |
+ |
/* assign subcubes */ |
| 299 |
+ |
for (i = 0; i < 8; i++) { |
| 300 |
+ |
cukid.cutree = EMPTY; |
| 301 |
+ |
for (j = 0; j < 3; j++) { |
| 302 |
+ |
cukid.cuorg[j] = cu->cuorg[j]; |
| 303 |
+ |
if ((1<<j) & i) |
| 304 |
+ |
cukid.cuorg[j] += cukid.cusize; |
| 305 |
+ |
} |
| 306 |
+ |
/* surfaces first */ |
| 307 |
+ |
for (j = 1; j <= oset[0]; j++) |
| 308 |
+ |
if (!tstbit(volflg,j-1)) |
| 309 |
+ |
addobject(&cukid, oset[j]); |
| 310 |
+ |
/* then this object */ |
| 311 |
+ |
addobject(&cukid, obj); |
| 312 |
+ |
/* then partial volumes */ |
| 313 |
+ |
for (j = 1; j <= oset[0]; j++) |
| 314 |
+ |
if (tstbit(volflg,j-1) && |
| 315 |
+ |
!tstbit(inflg,j-1)) |
| 316 |
+ |
addobject(&cukid, oset[j]); |
| 317 |
+ |
/* full volumes last */ |
| 318 |
+ |
for (j = 1; j <= oset[0]; j++) |
| 319 |
+ |
if (tstbit(inflg,j-1)) |
| 320 |
+ |
addobject(&cukid, oset[j]); |
| 321 |
+ |
/* returned node */ |
| 322 |
+ |
octkid(ot, i) = cukid.cutree; |
| 323 |
+ |
} |
| 324 |
+ |
cu->cutree = ot; |
| 325 |
|
} |
