6 |
|
*/ |
7 |
|
|
8 |
|
#include <string.h> |
9 |
+ |
#include <ctype.h> |
10 |
|
|
11 |
|
#include "radogl.h" |
12 |
|
#include "tonemap.h" |
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 { |
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; |
105 |
> |
DOBJECT *op; |
106 |
|
|
107 |
|
if (nm == NULL) |
108 |
|
return(NULL); |
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 |
> |
DOBJECT *op |
121 |
> |
) |
122 |
|
{ |
123 |
|
int foundlink = 0; |
124 |
|
DOBJECT ohead; |
125 |
< |
register DOBJECT *opl; |
125 |
> |
DOBJECT *opl; |
126 |
|
|
127 |
|
if (op == NULL) |
128 |
|
return(0); |
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 |
> |
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; |
177 |
< |
register int alt, azi; |
177 |
> |
int alt, azi; |
178 |
|
|
179 |
|
if (dlightsets == NULL) |
180 |
|
return; |
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 |
> |
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) */ |
222 |
< |
register int i; |
222 |
> |
int i; |
223 |
|
|
224 |
|
if (next) { |
225 |
|
if (nneigh <= 0) |
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; |
286 |
|
FVECT v; |
287 |
|
double d, thresh, maxbr; |
288 |
|
int maxalt, maxazi, spos[2]; |
289 |
< |
register int alt, azi; |
290 |
< |
register struct lsource *ls; |
289 |
> |
int alt, azi; |
290 |
> |
struct lsource *ls; |
291 |
|
/* count & average sampled cells */ |
292 |
|
setcolor(csum, 0., 0., 0.); |
293 |
|
ncells = nsamps = 0; |
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) { |
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 |
> |
DOBJECT *op, |
372 |
> |
int force |
373 |
> |
) |
374 |
|
{ |
375 |
|
double d2, mind2 = FHUGE*FHUGE; |
376 |
|
FVECT ocent; |
377 |
|
VIEW cvw; |
378 |
< |
register DLIGHTS *dl; |
378 |
> |
DLIGHTS *dl; |
379 |
|
|
380 |
|
op->ol = NULL; |
381 |
|
if (op->drawcode != DO_LIGHT) |
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); |
452 |
|
|
453 |
|
|
454 |
|
int |
455 |
< |
dobj_command(cmd, args) /* run object display command */ |
456 |
< |
char *cmd; |
457 |
< |
register char *args; |
455 |
> |
dobj_command( /* run object display command */ |
456 |
> |
char *cmd, |
457 |
> |
char *args |
458 |
> |
) |
459 |
|
{ |
460 |
|
int somechange = 0; |
461 |
< |
int cn, na, doxfm; |
462 |
< |
register int nn; |
461 |
> |
int cn, na; |
462 |
> |
int nn; |
463 |
|
char *alist[MAXAC+1], *nm; |
464 |
|
/* find command */ |
465 |
|
for (cn = 0; cn < DO_NCMDS; cn++) |
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 |
> |
int |
565 |
> |
dobj_load( /* create/load an octree object */ |
566 |
> |
char *oct, |
567 |
> |
char *nam |
568 |
> |
) |
569 |
|
{ |
570 |
|
char *fpp, fpath[128]; |
571 |
< |
register DOBJECT *op; |
571 |
> |
DOBJECT *op; |
572 |
|
/* check arguments */ |
573 |
|
if (oct == NULL) { |
574 |
|
error(COMMAND, "missing octree"); |
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 |
|
} |
610 |
|
/* start rtrace */ |
611 |
|
rtargv[RTARGC-1] = fpath; |
612 |
|
rtargv[RTARGC] = NULL; |
613 |
< |
open_process(&(op->rtp), rtargv); |
613 |
> |
op->rtp = sp_inactive; |
614 |
> |
open_process(&op->rtp, rtargv); |
615 |
|
/* insert into main list */ |
616 |
|
op->next = dobjects; |
617 |
|
curobj = dobjects = op; |
620 |
|
} |
621 |
|
|
622 |
|
|
623 |
< |
dobj_unload(nam) /* free the named object */ |
624 |
< |
char *nam; |
623 |
> |
int |
624 |
> |
dobj_unload( /* free the named object */ |
625 |
> |
char *nam |
626 |
> |
) |
627 |
|
{ |
628 |
< |
register DOBJECT *op; |
628 |
> |
DOBJECT *op; |
629 |
|
|
630 |
|
if ((op = getdobj(nam)) == NULL) { |
631 |
|
error(COMMAND, "no object"); |
637 |
|
} |
638 |
|
|
639 |
|
|
640 |
< |
dobj_cleanup() /* free all resources */ |
640 |
> |
int |
641 |
> |
dobj_cleanup(void) /* free all resources */ |
642 |
|
{ |
643 |
< |
register DLIGHTS *lp; |
643 |
> |
DLIGHTS *lp; |
644 |
|
|
645 |
|
while (dobjects != NULL) |
646 |
|
freedobj(dobjects); |
653 |
|
} |
654 |
|
|
655 |
|
|
656 |
< |
dobj_xform(nam, rel, ac, av) /* set/add transform for nam */ |
657 |
< |
char *nam; |
658 |
< |
int rel, ac; |
659 |
< |
char **av; |
656 |
> |
int |
657 |
> |
dobj_xform( /* set/add transform for nam */ |
658 |
> |
char *nam, |
659 |
> |
int rel, |
660 |
> |
int ac, |
661 |
> |
char **av |
662 |
> |
) |
663 |
|
{ |
664 |
< |
register DOBJECT *op; |
664 |
> |
DOBJECT *op; |
665 |
|
FVECT cent; |
666 |
|
double rad; |
667 |
|
char scoord[16]; |
718 |
|
} |
719 |
|
|
720 |
|
|
721 |
< |
dobj_putstats(nam, fp) /* put out statistics for nam */ |
722 |
< |
char *nam; |
723 |
< |
FILE *fp; |
721 |
> |
int |
722 |
> |
dobj_putstats( /* put out statistics for nam */ |
723 |
> |
char *nam, |
724 |
> |
FILE *fp |
725 |
> |
) |
726 |
|
{ |
727 |
|
FVECT ocent; |
728 |
< |
register DOBJECT *op; |
729 |
< |
register int i; |
728 |
> |
DOBJECT *op; |
729 |
> |
int i; |
730 |
|
|
731 |
|
if (nam == NULL) { |
732 |
|
error(COMMAND, "no current object"); |
761 |
|
} |
762 |
|
|
763 |
|
|
764 |
< |
dobj_unmove() /* undo last transform change */ |
764 |
> |
int |
765 |
> |
dobj_unmove(void) /* undo last transform change */ |
766 |
|
{ |
767 |
|
int txfac; |
768 |
|
char *txfav[MAXAC+1]; |
788 |
|
} |
789 |
|
|
790 |
|
|
791 |
< |
dobj_dup(oldnm, nam) /* duplicate object oldnm as nam */ |
792 |
< |
char *oldnm, *nam; |
791 |
> |
int |
792 |
> |
dobj_dup( /* duplicate object oldnm as nam */ |
793 |
> |
char *oldnm, |
794 |
> |
char *nam |
795 |
> |
) |
796 |
|
{ |
797 |
< |
register DOBJECT *op, *opdup; |
797 |
> |
DOBJECT *op, *opdup; |
798 |
|
/* check arguments */ |
799 |
|
if ((op = getdobj(oldnm)) == NULL) { |
800 |
|
error(COMMAND, "no object"); |
804 |
|
error(COMMAND, "missing name"); |
805 |
|
return(0); |
806 |
|
} |
807 |
< |
if (*nam == '*' | *nam == '-') { |
807 |
> |
if ((*nam == '*') | (*nam == '-')) { |
808 |
|
error(COMMAND, "illegal name"); |
809 |
|
return(0); |
810 |
|
} |
816 |
|
opdup = (DOBJECT *)malloc(sizeof(DOBJECT)); |
817 |
|
if (opdup == NULL) |
818 |
|
error(SYSTEM, "out of memory in dobj_dup"); |
819 |
< |
copystruct(opdup, op); |
819 |
> |
*opdup = *op; |
820 |
|
/* rename */ |
821 |
|
strcpy(opdup->name, nam); |
822 |
|
/* get our own copy of transform */ |
830 |
|
} |
831 |
|
|
832 |
|
|
833 |
< |
dobj_lighting(nam, cn) /* set up lighting for display object */ |
834 |
< |
char *nam; |
835 |
< |
int cn; |
833 |
> |
int |
834 |
> |
dobj_lighting( /* set up lighting for display object */ |
835 |
> |
char *nam, |
836 |
> |
int cn |
837 |
> |
) |
838 |
|
{ |
839 |
|
int i, res[2]; |
840 |
|
VIEW *dv; |
841 |
< |
register DOBJECT *op; |
841 |
> |
DOBJECT *op; |
842 |
|
|
843 |
|
if (nam == NULL) { |
844 |
|
error(COMMAND, "no current object"); |
866 |
|
beam_view(dv, res[0], res[1]); |
867 |
|
beam_sync(1); /* update server */ |
868 |
|
} |
869 |
+ |
return 0; /* XXX not sure if this is the right value */ |
870 |
|
} |
871 |
|
|
872 |
|
|
873 |
|
double |
874 |
< |
dobj_trace(nm, rorg, rdir) /* check for ray intersection with object(s) */ |
875 |
< |
char nm[]; |
876 |
< |
FVECT rorg, rdir; |
874 |
> |
dobj_trace( /* check for ray intersection with object(s) */ |
875 |
> |
char nm[], |
876 |
> |
FVECT rorg, |
877 |
> |
FVECT rdir |
878 |
> |
) |
879 |
|
{ |
880 |
< |
register DOBJECT *op; |
880 |
> |
DOBJECT *op; |
881 |
|
FVECT xorg, xdir; |
882 |
|
double darr[6]; |
883 |
|
/* check each visible object? */ |
909 |
|
VCOPY(darr, rorg); VCOPY(darr+3, rdir); |
910 |
|
} |
911 |
|
/* trace it */ |
912 |
< |
if (process(&(op->rtp), (char *)darr, (char *)darr, sizeof(double), |
912 |
> |
if (process(&op->rtp, (char *)darr, (char *)darr, sizeof(double), |
913 |
|
6*sizeof(double)) != sizeof(double)) |
914 |
|
error(SYSTEM, "rtrace communication error"); |
915 |
|
/* return distance */ |
920 |
|
|
921 |
|
|
922 |
|
int |
923 |
< |
dobj_render() /* render our objects in OpenGL */ |
923 |
> |
dobj_render(void) /* render our objects in OpenGL */ |
924 |
|
{ |
925 |
|
int nrendered = 0; |
926 |
|
GLboolean normalizing; |
927 |
|
GLfloat vec[4]; |
928 |
|
FVECT v1; |
929 |
< |
register DOBJECT *op; |
930 |
< |
register int i; |
929 |
> |
DOBJECT *op; |
930 |
> |
int i; |
931 |
|
/* anything to render? */ |
932 |
|
for (op = dobjects; op != NULL; op = op->next) |
933 |
|
if (op->drawcode != DO_HIDE) |
955 |
|
continue; |
956 |
|
/* set up lighting */ |
957 |
|
if (op->drawcode == DO_LIGHT && op->ol != NULL) { |
958 |
< |
BYTE pval; |
958 |
> |
uby8 pval; |
959 |
|
double expval, d; |
960 |
|
/* use computed sources */ |
961 |
< |
if (tmMapPixels(&pval, &op->ol->larb, TM_NOCHROM, 1) |
962 |
< |
!= TM_E_OK) |
961 |
> |
if (tmMapPixels(tmGlobal, &pval, &op->ol->larb, |
962 |
> |
TM_NOCHROM, 1) != TM_E_OK) |
963 |
|
error(CONSISTENCY, "dobj_render w/o tone map"); |
964 |
|
expval = pval * (WHTEFFICACY/256.) / |
965 |
|
tmLuminance(op->ol->larb); |
1005 |
|
} |
1006 |
|
/* set up object transform */ |
1007 |
|
if (op->xfac) { |
1008 |
< |
if (!normalizing && op->xfb.f.sca < 1.-FTINY | |
1009 |
< |
op->xfb.f.sca > 1.+FTINY) |
1008 |
> |
if (!normalizing && (op->xfb.f.sca < 1.-FTINY) | |
1009 |
> |
(op->xfb.f.sca > 1.+FTINY)) |
1010 |
|
glEnable(GL_NORMALIZE); |
1011 |
|
glMatrixMode(GL_MODELVIEW); |
1012 |
|
glPushMatrix(); |