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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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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Geometry drawing operations for OpenGL driver. |
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*/ |
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#endif |
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int gmPortals = 0; /* current portal GL list id */ |
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static int Nlists = 0; /* number of lists allocated */ |
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static char *curportlist[MAXPORT]; /* current portal list */ |
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static char *newportlist[MAXPORT]; /* new portal file list */ |
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static struct gmEntry { |
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char *gfile; /* geometry file name */ |
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FVECT cent; /* centroid */ |
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FLOAT rad; /* radius */ |
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RREAL rad; /* radius */ |
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int listid; /* display list identifier */ |
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int nlists; /* number of lists allocated */ |
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} gmCurrent[MAXGEO], gmNext[MAXGEO]; /* current and next list */ |
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#define FORALLGEOM(ot,i) for (i=0;i<MAXGEO&&ot[i].gfile!=NULL;i++) |
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#define FORALLPORT(pl,i) for (i=0;i<MAXPORT&&pl[i]!=NULL;i++) |
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extern char *atos(), *sskip(), *sskip2(); |
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extern char *nextword(); |
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gmNewGeom(file) /* add new geometry to next list */ |
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return; |
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} |
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/* else load new octree */ |
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gmNext[i].gfile = file; |
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gmNext[i].gfile = savestr(file); |
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dolights = 0; |
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domats = 1; |
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gmNext[i].listid = rgl_octlist(file, gmNext[i].cent, &gmNext[i].rad); |
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gmNext[i].listid = rgl_octlist(file, gmNext[i].cent, &gmNext[i].rad, |
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&gmNext[i].nlists); |
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gmNext[i].rad *= 1.732; /* go to corners */ |
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#ifdef DEBUG |
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fprintf(stderr, "Loaded octree \"%s\" into listID %d with radius %f\n", |
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FORALLGEOM(gmNext, j) |
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if (gmNext[j].listid == gmCurrent[i].listid) |
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break; |
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if (j >= MAXGEO || gmNext[j].gfile == NULL) |
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glDeleteLists(gmCurrent[i].listid, 1); /* not found */ |
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if (j >= MAXGEO || gmNext[j].gfile == NULL) { |
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glDeleteLists(gmCurrent[i].listid, /* not found */ |
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gmCurrent[i].nlists); |
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freestr(gmCurrent[i].gfile); |
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} |
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} |
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bcopy((char *)gmNext, (char *)gmCurrent, sizeof(gmNext)); |
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bzero((char *)gmNext, sizeof(gmNext)); |
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bcopy((void *)gmNext, (void *)gmCurrent, sizeof(gmNext)); |
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bzero((void *)gmNext, sizeof(gmNext)); |
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} |
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int |
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gmDrawGeom() /* draw current list of octrees (and ports) */ |
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gmDrawGeom() /* draw current list of octrees */ |
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{ |
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register int n; |
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if (pflist == NULL) |
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return; |
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while (*pflist) { |
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atos(newfile, sizeof(newfile), pflist); |
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if (!*newfile) |
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break; |
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pflist = sskip(pflist); |
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while ((pflist = nextword(newfile, sizeof(newfile), pflist)) != NULL) { |
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FORALLPORT(newportlist,i) |
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if (!strcmp(newportlist[i], newfile)) |
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goto endloop; /* in list already */ |
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FORALLPORT(newportlist, n); |
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if (!n) { /* free old GL list */ |
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if (gmPortals) |
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glDeleteLists(gmPortals, 1); |
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glDeleteLists(gmPortals, Nlists); |
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gmPortals = 0; |
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} else |
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qsort(newportlist, n, sizeof(char *), sstrcmp); |
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FORALLPORT(newportlist, n); |
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dolights = 0; |
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domats = 0; |
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gmPortals = rgl_filelist(n, newportlist); |
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gmPortals = rgl_filelist(n, newportlist, &Nlists); |
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break; |
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} |
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FORALLPORT(curportlist, n) /* free old file list */ |
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freestr(curportlist[n]); |
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bcopy((char *)newportlist, (char *)curportlist, sizeof(newportlist)); |
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bzero((char *)newportlist, sizeof(newportlist)); |
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bcopy((void *)newportlist, (void *)curportlist, sizeof(newportlist)); |
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bzero((void *)newportlist, sizeof(newportlist)); |
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return(gmPortals); /* return GL list id */ |
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} |