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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* Copyright (c) 1999 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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bi = hdbindex(hp, gc); /* check for duplicates */ |
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if (checkrepeats && (bp = hdgetbeam(hp, bi)) != NULL) { |
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for (n = bp->nrm, rv = hdbray(bp); n--; rv++) |
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if (rv->d == dc && |
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if ((hp->priv != NULL || rv->d == dc) && |
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rv->r[0][0] == rr[0][0] && |
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rv->r[0][1] == rr[0][1] && |
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rv->r[1][0] == rr[1][0] && |
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} |
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addbeam(bp, hb) /* add a beam to our output holodeck */ |
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register BEAM *bp; |
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register HDBEAMI *hb; |
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static BEAMI *beamdir; |
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static int |
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bpcmp(b1p, b2p) /* compare beam positions on disk */ |
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int *b1p, *b2p; |
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{ |
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register long pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
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if (pdif > 0L) return(1); |
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if (pdif < 0L) return(-1); |
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return(0); |
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} |
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static int |
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addclump(hp, bq, nb) /* transfer the given clump and free */ |
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HOLO *hp; |
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int *bq, nb; |
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{ |
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GCOORD gc[2]; |
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FVECT ro, rd; |
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double d; |
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int i; |
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register int k; |
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/* get beam coordinates */ |
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hdbcoord(gc, hb->h, hb->b); |
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/* add each ray to output */ |
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for (k = bp->nrm; k--; ) { |
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d = hdray(ro, rd, hb->h, gc, hdbray(bp)[k].r); |
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if (hb->h->priv == &unobstr) |
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VSUM(ro, ro, rd, d); |
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else |
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d = 0.; |
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d = hddepth(hb->h, hdbray(bp)[k].d) - d; |
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addray(ro, rd, d, hdbray(bp)[k].v); |
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register BEAM *bp; |
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/* sort based on file position */ |
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beamdir = hp->bi; |
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qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
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/* transfer each beam */ |
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for (i = 0; i < nb; i++) { |
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bp = hdgetbeam(hp, bq[i]); |
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hdbcoord(gc, hp, bq[i]); |
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/* add each ray to output */ |
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for (k = bp->nrm; k--; ) { |
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d = hdray(ro, rd, hp, gc, hdbray(bp)[k].r); |
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if (hp->priv == &unobstr) |
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VSUM(ro, ro, rd, d); |
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else |
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d = 0.; |
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d = hddepth(hp, hdbray(bp)[k].d) - d; |
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addray(ro, rd, d, hdbray(bp)[k].v); |
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} |
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hdfreebeam(hp, bq[i]); /* free the beam */ |
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} |
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hdfreebeam(hb->h, hb->b); /* free the beam */ |
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hdfreebeam(NULL, 0); /* write & free clump */ |
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return(0); |
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} |
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– |
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addholo(hdf) /* add a holodeck file */ |
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char *hdf; |
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{ |
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fd = hdlist[noutsects]->fd; /* remember the file handle */ |
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while (hdlist[noutsects] != NULL) { /* load each section */ |
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/* clump the beams */ |
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clumpbeams(hdlist[noutsects], 0, BKBSIZE*1024, addbeam); |
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clumpbeams(hdlist[noutsects], 0, BKBSIZE*1024, addclump); |
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hddone(hdlist[noutsects]); /* free the section */ |
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} |
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close(fd); /* close input file */ |
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hdflush(NULL); /* flush output */ |
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} |
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addray(ro, rd, (double)zscn[i], cscn[i]); |
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} |
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} |
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/* write output */ |
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hdsync(NULL, 1); |
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/* write output and free beams */ |
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hdflush(NULL); |
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/* clean up */ |
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free((char *)cscn); |
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free((char *)zscn); |
