| 5 |
|
* Routines for loading and displaying Radiance objects in rholo with GLX. |
| 6 |
|
*/ |
| 7 |
|
|
| 8 |
+ |
#include <string.h> |
| 9 |
+ |
#include <ctype.h> |
| 10 |
+ |
|
| 11 |
|
#include "radogl.h" |
| 12 |
|
#include "tonemap.h" |
| 13 |
|
#include "rhdisp.h" |
| 14 |
|
#include "rhdriver.h" |
| 15 |
|
#include "rhdobj.h" |
| 16 |
+ |
#include "rtprocess.h" |
| 17 |
|
|
| 18 |
|
extern FILE *sstdout; /* user standard output */ |
| 19 |
|
|
| 20 |
|
char rhdcmd[DO_NCMDS][8] = DO_INIT; /* user command list */ |
| 21 |
|
|
| 22 |
< |
int (*dobj_lightsamp)() = NULL; /* pointer to function to get lights */ |
| 22 |
> |
/* pointer to function to get lights */ |
| 23 |
> |
void (*dobj_lightsamp)(COLR clr, FVECT direc, FVECT pos) = NULL; |
| 24 |
|
|
| 25 |
|
#define AVGREFL 0.5 /* assumed average reflectance */ |
| 26 |
|
|
| 34 |
|
#define NALT 11 /* # sampling altitude angles */ |
| 35 |
|
#endif |
| 36 |
|
#ifndef NAZI |
| 37 |
< |
#define NAZI ((int)(PI/2.*NALT+.5)) |
| 37 |
> |
#define NAZI 17 |
| 38 |
|
#endif |
| 39 |
|
|
| 40 |
|
typedef struct dlights { |
| 55 |
|
struct dobject *next; /* next object in list */ |
| 56 |
|
char name[64]; /* object name */ |
| 57 |
|
FVECT center; /* orig. object center */ |
| 58 |
< |
FLOAT radius; /* orig. object radius */ |
| 58 |
> |
RREAL radius; /* orig. object radius */ |
| 59 |
|
int listid; /* GL display list identifier */ |
| 60 |
|
int nlists; /* number of lists allocated */ |
| 61 |
< |
int rtp[3]; /* associated rtrace process */ |
| 61 |
> |
SUBPROC rtp; /* associated rtrace process */ |
| 62 |
|
DLIGHTS *ol; /* object lights */ |
| 63 |
|
FULLXF xfb; /* coordinate transform */ |
| 64 |
|
short drawcode; /* drawing code */ |
| 86 |
|
|
| 87 |
|
#define curname (curobj==NULL ? (char *)NULL : curobj->name) |
| 88 |
|
|
| 89 |
+ |
static DOBJECT *getdobj(char *nm); |
| 90 |
+ |
static int freedobj(DOBJECT *op); |
| 91 |
+ |
static int savedxf(DOBJECT *op); |
| 92 |
+ |
static void ssph_sample(COLR clr, FVECT direc, FVECT pos); |
| 93 |
+ |
static void ssph_direc(FVECT direc, int alt, int azi); |
| 94 |
+ |
static int ssph_neigh(int sp[2], int next); |
| 95 |
+ |
static int ssph_compute(void); |
| 96 |
+ |
static int getdlights(DOBJECT *op, int force); |
| 97 |
+ |
static void cmderror(int cn, char *err); |
| 98 |
|
|
| 99 |
+ |
|
| 100 |
|
static DOBJECT * |
| 101 |
< |
getdobj(nm) /* get object from list by name */ |
| 102 |
< |
char *nm; |
| 101 |
> |
getdobj( /* get object from list by name */ |
| 102 |
> |
char *nm |
| 103 |
> |
) |
| 104 |
|
{ |
| 105 |
|
register DOBJECT *op; |
| 106 |
|
|
| 115 |
|
} |
| 116 |
|
|
| 117 |
|
|
| 118 |
< |
static |
| 119 |
< |
freedobj(op) /* free resources and memory assoc. with op */ |
| 120 |
< |
register DOBJECT *op; |
| 118 |
> |
static int |
| 119 |
> |
freedobj( /* free resources and memory assoc. with op */ |
| 120 |
> |
register DOBJECT *op |
| 121 |
> |
) |
| 122 |
|
{ |
| 123 |
|
int foundlink = 0; |
| 124 |
|
DOBJECT ohead; |
| 135 |
|
dobjects = ohead.next; |
| 136 |
|
if (!foundlink) { |
| 137 |
|
glDeleteLists(op->listid, op->nlists); |
| 138 |
< |
close_process(op->rtp); |
| 138 |
> |
close_process(&(op->rtp)); |
| 139 |
|
} |
| 140 |
|
while (op->xfac) |
| 141 |
|
freestr(op->xfav[--op->xfac]); |
| 144 |
|
} |
| 145 |
|
|
| 146 |
|
|
| 147 |
< |
static |
| 148 |
< |
savedxf(op) /* save transform for display object */ |
| 149 |
< |
register DOBJECT *op; |
| 147 |
> |
static int |
| 148 |
> |
savedxf( /* save transform for display object */ |
| 149 |
> |
register DOBJECT *op |
| 150 |
> |
) |
| 151 |
|
{ |
| 152 |
|
/* free old */ |
| 153 |
|
while (lastxfac) |
| 165 |
|
} |
| 166 |
|
|
| 167 |
|
|
| 168 |
< |
static |
| 169 |
< |
ssph_sample(clr, direc, pos) /* add sample to current source sphere */ |
| 170 |
< |
COLR clr; |
| 171 |
< |
FVECT direc, pos; |
| 168 |
> |
static void |
| 169 |
> |
ssph_sample( /* add sample to current source sphere */ |
| 170 |
> |
COLR clr, |
| 171 |
> |
FVECT direc, |
| 172 |
> |
FVECT pos |
| 173 |
> |
) |
| 174 |
|
{ |
| 175 |
|
COLOR col; |
| 176 |
|
double d; |
| 194 |
|
} |
| 195 |
|
|
| 196 |
|
|
| 197 |
< |
static |
| 198 |
< |
ssph_direc(direc, alt, azi) /* compute sphere sampling direction */ |
| 199 |
< |
FVECT direc; |
| 200 |
< |
int alt, azi; |
| 197 |
> |
static void |
| 198 |
> |
ssph_direc( /* compute sphere sampling direction */ |
| 199 |
> |
FVECT direc, |
| 200 |
> |
int alt, |
| 201 |
> |
int azi |
| 202 |
> |
) |
| 203 |
|
{ |
| 204 |
|
double phi, d; |
| 205 |
|
|
| 212 |
|
|
| 213 |
|
|
| 214 |
|
static int |
| 215 |
< |
ssph_neigh(sp, next) /* neighbor counter on sphere */ |
| 216 |
< |
register int sp[2]; |
| 217 |
< |
int next; |
| 215 |
> |
ssph_neigh( /* neighbor counter on sphere */ |
| 216 |
> |
register int sp[2], |
| 217 |
> |
int next |
| 218 |
> |
) |
| 219 |
|
{ |
| 220 |
|
static short nneigh = 0; /* neighbor count */ |
| 221 |
|
static short neighlist[NAZI+6][2]; /* neighbor list (0 is home) */ |
| 228 |
|
sp[1] = neighlist[nneigh][1]; |
| 229 |
|
return(1); |
| 230 |
|
} |
| 231 |
< |
if (sp[0] < 0 | sp[0] >= NALT | sp[1] < 0 | sp[1] >= NAZI) |
| 231 |
> |
if ((sp[0] < 0) | (sp[0] >= NALT) | (sp[1] < 0) | (sp[1] >= NAZI)) |
| 232 |
|
return(nneigh=0); |
| 233 |
|
neighlist[0][0] = sp[0]; neighlist[0][1] = sp[1]; |
| 234 |
|
nneigh = 1; |
| 278 |
|
} |
| 279 |
|
|
| 280 |
|
|
| 281 |
< |
static |
| 282 |
< |
ssph_compute() /* compute source set from sphere samples */ |
| 281 |
> |
static int |
| 282 |
> |
ssph_compute(void) /* compute source set from sphere samples */ |
| 283 |
|
{ |
| 284 |
|
int ncells, nsamps; |
| 285 |
|
COLOR csum; |
| 302 |
|
nsamps += ssamp[alt][azi].nsamp; |
| 303 |
|
ncells++; |
| 304 |
|
} |
| 305 |
< |
if (dlightsets == NULL | ncells < NALT*NAZI/4) { |
| 305 |
> |
if ((dlightsets == NULL) | (ncells < NALT*NAZI/4)) { |
| 306 |
|
ncells = 0; |
| 307 |
|
goto done; |
| 308 |
|
} |
| 320 |
|
/* avg. reflected brightness */ |
| 321 |
|
d = AVGREFL / (double)ncells; |
| 322 |
|
scalecolor(csum, d); |
| 323 |
< |
if (tmCvColors(&dlightsets->larb, TM_NOCHROM, &csum, 1) != TM_E_OK) |
| 323 |
> |
if (tmCvColors(tmGlobal, &dlightsets->larb, |
| 324 |
> |
TM_NOCHROM, &csum, 1) != TM_E_OK) |
| 325 |
|
error(CONSISTENCY, "tone mapping problem in ssph_compute"); |
| 326 |
|
/* greedy light source clustering */ |
| 327 |
|
while (dlightsets->nl < MAXLIGHTS) { |
| 361 |
|
d = 1.0/ncells; |
| 362 |
|
scalecolor(dlightsets->lamb, d); |
| 363 |
|
done: /* clear sphere sample array */ |
| 364 |
< |
bzero((char *)ssamp, sizeof(ssamp)); |
| 364 |
> |
memset((void *)ssamp, '\0', sizeof(ssamp)); |
| 365 |
|
return(ncells); |
| 366 |
|
} |
| 367 |
|
|
| 368 |
|
|
| 369 |
< |
static |
| 370 |
< |
getdlights(op, force) /* get lights for display object */ |
| 371 |
< |
register DOBJECT *op; |
| 372 |
< |
int force; |
| 369 |
> |
static int |
| 370 |
> |
getdlights( /* get lights for display object */ |
| 371 |
> |
register DOBJECT *op, |
| 372 |
> |
int force |
| 373 |
> |
) |
| 374 |
|
{ |
| 375 |
|
double d2, mind2 = FHUGE*FHUGE; |
| 376 |
|
FVECT ocent; |
| 395 |
|
if (!force) |
| 396 |
|
return(0); |
| 397 |
|
/* need to compute new light set */ |
| 398 |
< |
copystruct(&cvw, &stdview); |
| 398 |
> |
cvw = stdview; |
| 399 |
|
cvw.type = VT_PER; |
| 400 |
|
VCOPY(cvw.vp, ocent); |
| 401 |
|
cvw.vup[0] = 1.; cvw.vup[1] = cvw.vup[2] = 0.; |
| 436 |
|
return(1); |
| 437 |
|
memerr: |
| 438 |
|
error(SYSTEM, "out of memory in getdlights"); |
| 439 |
+ |
return 0; /* pro forma return */ |
| 440 |
|
} |
| 441 |
|
|
| 442 |
|
|
| 443 |
< |
static |
| 444 |
< |
cmderror(cn, err) /* report command error */ |
| 445 |
< |
int cn; |
| 446 |
< |
char *err; |
| 443 |
> |
static void |
| 444 |
> |
cmderror( /* report command error */ |
| 445 |
> |
int cn, |
| 446 |
> |
char *err |
| 447 |
> |
) |
| 448 |
|
{ |
| 449 |
|
sprintf(errmsg, "%s: %s", rhdcmd[cn], err); |
| 450 |
|
error(COMMAND, errmsg); |
| 451 |
|
} |
| 452 |
|
|
| 453 |
|
|
| 454 |
< |
int |
| 455 |
< |
dobj_command(cmd, args) /* run object display command */ |
| 456 |
< |
char *cmd; |
| 457 |
< |
register char *args; |
| 454 |
> |
extern int |
| 455 |
> |
dobj_command( /* run object display command */ |
| 456 |
> |
char *cmd, |
| 457 |
> |
register char *args |
| 458 |
> |
) |
| 459 |
|
{ |
| 460 |
|
int somechange = 0; |
| 461 |
< |
int cn, na, doxfm; |
| 461 |
> |
int cn, na; |
| 462 |
|
register int nn; |
| 463 |
|
char *alist[MAXAC+1], *nm; |
| 464 |
|
/* find command */ |
| 556 |
|
} |
| 557 |
|
return(somechange); |
| 558 |
|
toomany: |
| 559 |
< |
return(cmderror(cn, "too many arguments")); |
| 559 |
> |
cmderror(cn, "too many arguments"); |
| 560 |
> |
return(-1); |
| 561 |
|
} |
| 562 |
|
|
| 563 |
|
|
| 564 |
< |
dobj_load(oct, nam) /* create/load an octree object */ |
| 565 |
< |
char *oct, *nam; |
| 564 |
> |
extern int |
| 565 |
> |
dobj_load( /* create/load an octree object */ |
| 566 |
> |
char *oct, |
| 567 |
> |
char *nam |
| 568 |
> |
) |
| 569 |
|
{ |
| 538 |
– |
extern char *getlibpath(), *getpath(); |
| 570 |
|
char *fpp, fpath[128]; |
| 571 |
|
register DOBJECT *op; |
| 572 |
|
/* check arguments */ |
| 578 |
|
error(COMMAND, "missing name"); |
| 579 |
|
return(0); |
| 580 |
|
} |
| 581 |
< |
if (*nam == '*' | *nam == '-') { |
| 581 |
> |
if ((*nam == '*') | (*nam == '-')) { |
| 582 |
|
error(COMMAND, "illegal name"); |
| 583 |
|
return(0); |
| 584 |
|
} |
| 587 |
|
return(0); |
| 588 |
|
} |
| 589 |
|
/* get octree path */ |
| 590 |
< |
if ((fpp = getpath(oct, getlibpath(), R_OK)) == NULL) { |
| 590 |
> |
if ((fpp = getpath(oct, getrlibpath(), R_OK)) == NULL) { |
| 591 |
|
sprintf(errmsg, "cannot find octree \"%s\"", oct); |
| 592 |
|
error(COMMAND, errmsg); |
| 593 |
|
return(0); |
| 610 |
|
/* start rtrace */ |
| 611 |
|
rtargv[RTARGC-1] = fpath; |
| 612 |
|
rtargv[RTARGC] = NULL; |
| 613 |
< |
open_process(op->rtp, rtargv); |
| 613 |
> |
open_process(&(op->rtp), rtargv); |
| 614 |
|
/* insert into main list */ |
| 615 |
|
op->next = dobjects; |
| 616 |
|
curobj = dobjects = op; |
| 619 |
|
} |
| 620 |
|
|
| 621 |
|
|
| 622 |
< |
dobj_unload(nam) /* free the named object */ |
| 623 |
< |
char *nam; |
| 622 |
> |
extern int |
| 623 |
> |
dobj_unload( /* free the named object */ |
| 624 |
> |
char *nam |
| 625 |
> |
) |
| 626 |
|
{ |
| 627 |
|
register DOBJECT *op; |
| 628 |
|
|
| 636 |
|
} |
| 637 |
|
|
| 638 |
|
|
| 639 |
< |
dobj_cleanup() /* free all resources */ |
| 639 |
> |
extern int |
| 640 |
> |
dobj_cleanup(void) /* free all resources */ |
| 641 |
|
{ |
| 642 |
|
register DLIGHTS *lp; |
| 643 |
|
|
| 652 |
|
} |
| 653 |
|
|
| 654 |
|
|
| 655 |
< |
dobj_xform(nam, rel, ac, av) /* set/add transform for nam */ |
| 656 |
< |
char *nam; |
| 657 |
< |
int rel, ac; |
| 658 |
< |
char **av; |
| 655 |
> |
extern int |
| 656 |
> |
dobj_xform( /* set/add transform for nam */ |
| 657 |
> |
char *nam, |
| 658 |
> |
int rel, |
| 659 |
> |
int ac, |
| 660 |
> |
char **av |
| 661 |
> |
) |
| 662 |
|
{ |
| 663 |
|
register DOBJECT *op; |
| 664 |
|
FVECT cent; |
| 717 |
|
} |
| 718 |
|
|
| 719 |
|
|
| 720 |
< |
dobj_putstats(nam, fp) /* put out statistics for nam */ |
| 721 |
< |
char *nam; |
| 722 |
< |
FILE *fp; |
| 720 |
> |
extern int |
| 721 |
> |
dobj_putstats( /* put out statistics for nam */ |
| 722 |
> |
char *nam, |
| 723 |
> |
FILE *fp |
| 724 |
> |
) |
| 725 |
|
{ |
| 726 |
|
FVECT ocent; |
| 727 |
|
register DOBJECT *op; |
| 760 |
|
} |
| 761 |
|
|
| 762 |
|
|
| 763 |
< |
dobj_unmove() /* undo last transform change */ |
| 763 |
> |
extern int |
| 764 |
> |
dobj_unmove(void) /* undo last transform change */ |
| 765 |
|
{ |
| 766 |
|
int txfac; |
| 767 |
|
char *txfav[MAXAC+1]; |
| 771 |
|
return(0); |
| 772 |
|
} |
| 773 |
|
/* hold last transform */ |
| 774 |
< |
bcopy((char *)lastxfav, (char *)txfav, |
| 774 |
> |
memcpy((void *)txfav, (void *)lastxfav, |
| 775 |
|
(txfac=lastxfac)*sizeof(char *)); |
| 776 |
|
/* save this transform */ |
| 777 |
< |
bcopy((char *)curobj->xfav, (char *)lastxfav, |
| 777 |
> |
memcpy((void *)lastxfav, (void *)curobj->xfav, |
| 778 |
|
(lastxfac=curobj->xfac)*sizeof(char *)); |
| 779 |
|
/* copy back last transform */ |
| 780 |
< |
bcopy((char *)txfav, (char *)curobj->xfav, |
| 780 |
> |
memcpy((void *)curobj->xfav, (void *)txfav, |
| 781 |
|
(curobj->xfac=txfac)*sizeof(char *)); |
| 782 |
|
/* set matrices */ |
| 783 |
|
fullxf(&curobj->xfb, curobj->xfac, curobj->xfav); |
| 787 |
|
} |
| 788 |
|
|
| 789 |
|
|
| 790 |
< |
dobj_dup(oldnm, nam) /* duplicate object oldnm as nam */ |
| 791 |
< |
char *oldnm, *nam; |
| 790 |
> |
extern int |
| 791 |
> |
dobj_dup( /* duplicate object oldnm as nam */ |
| 792 |
> |
char *oldnm, |
| 793 |
> |
char *nam |
| 794 |
> |
) |
| 795 |
|
{ |
| 796 |
|
register DOBJECT *op, *opdup; |
| 797 |
|
/* check arguments */ |
| 803 |
|
error(COMMAND, "missing name"); |
| 804 |
|
return(0); |
| 805 |
|
} |
| 806 |
< |
if (*nam == '*' | *nam == '-') { |
| 806 |
> |
if ((*nam == '*') | (*nam == '-')) { |
| 807 |
|
error(COMMAND, "illegal name"); |
| 808 |
|
return(0); |
| 809 |
|
} |
| 815 |
|
opdup = (DOBJECT *)malloc(sizeof(DOBJECT)); |
| 816 |
|
if (opdup == NULL) |
| 817 |
|
error(SYSTEM, "out of memory in dobj_dup"); |
| 818 |
< |
copystruct(opdup, op); |
| 818 |
> |
*opdup = *op; |
| 819 |
|
/* rename */ |
| 820 |
|
strcpy(opdup->name, nam); |
| 821 |
|
/* get our own copy of transform */ |
| 829 |
|
} |
| 830 |
|
|
| 831 |
|
|
| 832 |
< |
dobj_lighting(nam, cn) /* set up lighting for display object */ |
| 833 |
< |
char *nam; |
| 834 |
< |
int cn; |
| 832 |
> |
extern int |
| 833 |
> |
dobj_lighting( /* set up lighting for display object */ |
| 834 |
> |
char *nam, |
| 835 |
> |
int cn |
| 836 |
> |
) |
| 837 |
|
{ |
| 838 |
|
int i, res[2]; |
| 839 |
|
VIEW *dv; |
| 865 |
|
beam_view(dv, res[0], res[1]); |
| 866 |
|
beam_sync(1); /* update server */ |
| 867 |
|
} |
| 868 |
+ |
return 0; /* XXX not sure if this is the right value */ |
| 869 |
|
} |
| 870 |
|
|
| 871 |
|
|
| 872 |
< |
double |
| 873 |
< |
dobj_trace(nm, rorg, rdir) /* check for ray intersection with object(s) */ |
| 874 |
< |
char nm[]; |
| 875 |
< |
FVECT rorg, rdir; |
| 872 |
> |
extern double |
| 873 |
> |
dobj_trace( /* check for ray intersection with object(s) */ |
| 874 |
> |
char nm[], |
| 875 |
> |
FVECT rorg, |
| 876 |
> |
FVECT rdir |
| 877 |
> |
) |
| 878 |
|
{ |
| 879 |
|
register DOBJECT *op; |
| 880 |
|
FVECT xorg, xdir; |
| 908 |
|
VCOPY(darr, rorg); VCOPY(darr+3, rdir); |
| 909 |
|
} |
| 910 |
|
/* trace it */ |
| 911 |
< |
if (process(op->rtp, (char *)darr, (char *)darr, sizeof(double), |
| 911 |
> |
if (process(&(op->rtp), (char *)darr, (char *)darr, sizeof(double), |
| 912 |
|
6*sizeof(double)) != sizeof(double)) |
| 913 |
|
error(SYSTEM, "rtrace communication error"); |
| 914 |
|
/* return distance */ |
| 918 |
|
} |
| 919 |
|
|
| 920 |
|
|
| 921 |
< |
int |
| 922 |
< |
dobj_render() /* render our objects in OpenGL */ |
| 921 |
> |
extern int |
| 922 |
> |
dobj_render(void) /* render our objects in OpenGL */ |
| 923 |
|
{ |
| 924 |
|
int nrendered = 0; |
| 925 |
|
GLboolean normalizing; |
| 954 |
|
continue; |
| 955 |
|
/* set up lighting */ |
| 956 |
|
if (op->drawcode == DO_LIGHT && op->ol != NULL) { |
| 957 |
< |
BYTE pval; |
| 957 |
> |
uby8 pval; |
| 958 |
|
double expval, d; |
| 959 |
|
/* use computed sources */ |
| 960 |
< |
if (tmMapPixels(&pval, &op->ol->larb, TM_NOCHROM, 1) |
| 961 |
< |
!= TM_E_OK) |
| 960 |
> |
if (tmMapPixels(tmGlobal, &pval, &op->ol->larb, |
| 961 |
> |
TM_NOCHROM, 1) != TM_E_OK) |
| 962 |
|
error(CONSISTENCY, "dobj_render w/o tone map"); |
| 963 |
|
expval = pval * (WHTEFFICACY/256.) / |
| 964 |
|
tmLuminance(op->ol->larb); |
| 1004 |
|
} |
| 1005 |
|
/* set up object transform */ |
| 1006 |
|
if (op->xfac) { |
| 1007 |
< |
if (!normalizing && op->xfb.f.sca < 1.-FTINY | |
| 1008 |
< |
op->xfb.f.sca > 1.+FTINY) |
| 1007 |
> |
if (!normalizing && (op->xfb.f.sca < 1.-FTINY) | |
| 1008 |
> |
(op->xfb.f.sca > 1.+FTINY)) |
| 1009 |
|
glEnable(GL_NORMALIZE); |
| 1010 |
|
glMatrixMode(GL_MODELVIEW); |
| 1011 |
|
glPushMatrix(); |