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* Rtrace support routines for holodeck rendering |
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*/ |
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#include <time.h> |
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#include "rholo.h" |
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#include "paths.h" |
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#include "random.h" |
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double gmin[2], gmax[2]; /* grid coordinate limits */ |
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}; /* a grid coordinate range */ |
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static void initeyelim(struct gclim *gcl, HOLO *hp, GCOORD *gc); |
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static void groweyelim(struct gclim *gcl, GCOORD *gc, |
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double r0, double r1, int tight); |
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static int clipeyelim(short rrng[2][2], struct gclim *gcl); |
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static |
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initeyelim(gcl, hp, gc) /* initialize grid coordinate limits */ |
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register struct gclim *gcl; |
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register HOLO *hp; |
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GCOORD *gc; |
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|
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static void |
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initeyelim( /* initialize grid coordinate limits */ |
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register struct gclim *gcl, |
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register HOLO *hp, |
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GCOORD *gc |
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) |
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{ |
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register RREAL *v; |
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register int i; |
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} |
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static |
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groweyelim(gcl, gc, r0, r1, tight) /* grow grid limits about eye point */ |
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register struct gclim *gcl; |
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GCOORD *gc; |
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double r0, r1; |
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int tight; |
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static void |
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groweyelim( /* grow grid limits about eye point */ |
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register struct gclim *gcl, |
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GCOORD *gc, |
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double r0, |
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double r1, |
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int tight |
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) |
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{ |
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FVECT gp, ab; |
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double ab2, od, cfact; |
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d*(c*d-b*e) + f*b*b); |
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while (n-- > 0) { |
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if (gc->w>>1 == gi[i] && |
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(gc->w&1) ^ root[n] < gp[gc->w>>1]) { |
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(gc->w&1) ^ (root[n] < gp[gc->w>>1])) { |
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if (gc->w&1) |
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gcl->gmin[i] = -FHUGE; |
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else |
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n = quadratic(root, a, b*yex+d, yex*(yex*c+e)+f); |
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while (n-- > 0) { |
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if (gc->w>>1 == gi[i] && |
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(gc->w&1) ^ root[n] < gp[gc->w>>1]) |
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(gc->w&1) ^ (root[n] < gp[gc->w>>1])) |
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continue; |
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if (root[n] < gcl->gmin[i]) |
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gcl->gmin[i] = root[n]; |
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static int |
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clipeyelim(rrng, gcl) /* clip eye limits to grid cell */ |
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register short rrng[2][2]; |
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register struct gclim *gcl; |
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clipeyelim( /* clip eye limits to grid cell */ |
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register short rrng[2][2], |
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register struct gclim *gcl |
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) |
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{ |
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int incell = 1; |
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register int i; |
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} |
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packrays(rod, p) /* pack ray origins and directions */ |
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register float *rod; |
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register PACKET *p; |
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extern void |
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packrays( /* pack ray origins and directions */ |
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register float *rod, |
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register PACKET *p |
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) |
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{ |
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#if 0 |
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double dist2sum = 0.; |
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} |
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donerays(p, rvl) /* encode finished ray computations */ |
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register PACKET *p; |
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register float *rvl; |
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extern void |
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donerays( /* encode finished ray computations */ |
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register PACKET *p, |
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register float *rvl |
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) |
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{ |
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double d; |
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register int i; |
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} |
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int |
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done_rtrace() /* clean up and close rtrace calculation */ |
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extern int |
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done_rtrace(void) /* clean up and close rtrace calculation */ |
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{ |
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int status; |
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/* already closed? */ |
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} |
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new_rtrace() /* restart rtrace calculation */ |
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extern void |
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new_rtrace(void) /* restart rtrace calculation */ |
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{ |
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char combuf[128]; |
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} |
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getradfile() /* run rad and get needed variables */ |
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extern int |
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getradfile(void) /* run rad and get needed variables */ |
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{ |
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static short mvar[] = {OCTREE,EYESEP,-1}; |
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static char tf1[] = TEMPLATE; |
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char tf2[64]; |
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char combuf[256]; |
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char *pippt; |
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> |
char *pippt = NULL; |
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register int i; |
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register char *cp; |
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/* check if rad file specified */ |
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loadvars(tf2); /* load variables */ |
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unlink(tf2); |
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} |
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rtargc += wordfile(rtargv+rtargc, tf1); /* get rtrace options */ |
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/* get rtrace options */ |
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rtargc += wordfile(rtargv+rtargc, MAXRTARGC-rtargc, tf1); |
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unlink(tf1); /* clean up */ |
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return(1); |
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} |
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report(t) /* report progress so far */ |
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time_t t; |
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extern void |
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report( /* report progress so far */ |
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time_t t |
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) |
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{ |
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static time_t seconds2go = 1000000; |
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