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https://git.code.sf.net/p/quake/quakeforge
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de04e1b602
HTTP (curl) support is missing, but everything else builds.
904 lines
21 KiB
C
904 lines
21 KiB
C
/*
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vis.c
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PVS/PHS generation tool
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2002 Colin Thompson
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((used)) const char rcsid[] =
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"$Id$";
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_IO_H
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# include <io.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <getopt.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <ctype.h>
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#ifdef HAVE_PTHREAD_H
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# include <pthread.h>
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#endif
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#include "QF/bspfile.h"
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#include "QF/cmd.h"
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#include "QF/dstring.h"
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#include "QF/mathlib.h"
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#include "QF/qtypes.h"
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#include "QF/quakefs.h"
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#include "QF/sys.h"
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#include "vis.h"
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#include "options.h"
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#define MAX_THREADS 4
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#ifdef HAVE_PTHREAD_H
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pthread_mutex_t *my_mutex;
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#endif
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bsp_t *bsp;
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options_t options;
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int c_chains;
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int c_mighttest;
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int c_portaltest;
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int c_portalpass;
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int c_portalcheck;
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int c_vistest;
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int numportals;
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int portalclusters;
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int numrealleafs;
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size_t originalvismapsize;
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int totalvis;
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int count_sep;
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int bitbytes; // (portalleafs + 63)>>3
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int bitlongs;
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int bitbytes_l; // (numrealleafs + 63)>>3
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portal_t *portals;
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cluster_t *clusters;
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dstring_t *visdata;
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byte *uncompressed; // [bitbytes * portalleafs]
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int *leafcluster; // leaf to cluster mappings as read from .prt file
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int *working; // per thread current portal #
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static void
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PlaneFromWinding (winding_t *winding, plane_t *plane)
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{
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vec3_t v1, v2;
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// calc plane
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VectorSubtract (winding->points[2], winding->points[1], v1);
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VectorSubtract (winding->points[0], winding->points[1], v2);
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CrossProduct (v2, v1, plane->normal);
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_VectorNormalize (plane->normal);
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plane->dist = DotProduct (winding->points[0], plane->normal);
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}
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winding_t *
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NewWinding (int points)
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{
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winding_t *winding;
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size_t size;
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if (points > MAX_POINTS_ON_WINDING)
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Sys_Error ("NewWinding: %i points", points);
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size = (size_t)(uintptr_t) ((winding_t *) 0)->points[points];
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winding = calloc (1, size);
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return winding;
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}
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void
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FreeWinding (winding_t *w)
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{
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if (!w->original)
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free (w);
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}
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winding_t *
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CopyWinding (winding_t *w)
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{
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size_t size;
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winding_t *copy;
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size = (size_t) (uintptr_t) ((winding_t *) 0)->points[w->numpoints];
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copy = malloc (size);
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memcpy (copy, w, size);
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copy->original = false;
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return copy;
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}
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/*
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ClipWinding
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Clips the winding to the plane, returning the new winding on the positive
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side
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Frees the input winding.
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If keepon is true, an exactly on-plane winding will be saved, otherwise
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it will be clipped away.
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*/
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winding_t *
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ClipWinding (winding_t *in, plane_t *split, qboolean keepon)
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{
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int maxpts, i, j;
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int counts[3], sides[MAX_POINTS_ON_WINDING];
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vec_t dot;
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vec_t dists[MAX_POINTS_ON_WINDING];
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vec_t *p1, *p2;
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vec3_t mid;
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winding_t *neww;
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counts[0] = counts[1] = counts[2] = 0;
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// determine sides for each point
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for (i = 0; i < in->numpoints; i++) {
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dot = DotProduct (in->points[i], split->normal);
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dot -= split->dist;
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dists[i] = dot;
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if (dot > ON_EPSILON)
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sides[i] = SIDE_FRONT;
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else if (dot < -ON_EPSILON)
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sides[i] = SIDE_BACK;
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else {
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sides[i] = SIDE_ON;
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}
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counts[sides[i]]++;
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}
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sides[i] = sides[0];
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dists[i] = dists[0];
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if (keepon && !counts[0] && !counts[1])
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return in;
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if (!counts[0]) {
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FreeWinding (in);
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return NULL;
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}
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if (!counts[1])
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return in;
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maxpts = in->numpoints + 4; // can't use counts[0] + 2 because
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// of fp grouping errors
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neww = NewWinding (maxpts);
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for (i = 0; i < in->numpoints; i++) {
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p1 = in->points[i];
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if (sides[i] == SIDE_ON) {
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VectorCopy (p1, neww->points[neww->numpoints]);
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neww->numpoints++;
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continue;
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}
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if (sides[i] == SIDE_FRONT) {
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VectorCopy (p1, neww->points[neww->numpoints]);
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neww->numpoints++;
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}
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if (sides[i + 1] == SIDE_ON || sides[i + 1] == sides[i])
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continue;
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// generate a split point
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p2 = in->points[(i + 1) % in->numpoints];
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dot = dists[i] / (dists[i] - dists[i + 1]);
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for (j = 0; j < 3; j++) {
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// avoid round off error when possible
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if (split->normal[j] == 1)
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mid[j] = split->dist;
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else if (split->normal[j] == -1)
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mid[j] = -split->dist;
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else
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mid[j] = p1[j] + dot * (p2[j] - p1[j]);
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}
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VectorCopy (mid, neww->points[neww->numpoints]);
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neww->numpoints++;
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}
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if (neww->numpoints > maxpts)
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Sys_Error ("ClipWinding: points exceeded estimate");
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// free the original winding
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FreeWinding (in);
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return neww;
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}
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/*
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GetNextPortal
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Returns the next portal for a thread to work on
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Returns the portals from the least complex, so the later ones can reuse
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the earlier information.
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*/
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static portal_t *
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GetNextPortal (void)
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{
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int min, j;
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portal_t *p, *tp;
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LOCK;
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min = 99999;
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p = NULL;
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for (j = 0, tp = portals; j < numportals * 2; j++, tp++) {
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if (tp->nummightsee < min && tp->status == stat_none) {
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min = tp->nummightsee;
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p = tp;
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}
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}
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if (p) {
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static int count;
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printf ("%5d / %5d %d\r", count++, numportals * 2, p->nummightsee);
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fflush (stdout);
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p->status = stat_selected;
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}
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UNLOCK;
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return p;
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}
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static void *
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LeafThread (void *_thread)
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{
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portal_t *portal;
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int thread = (int) (intptr_t) _thread;
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do {
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portal = GetNextPortal ();
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if (!portal)
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break;
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if (working)
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working[thread] = (int) (portal - portals);
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PortalFlow (portal);
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if (options.verbosity > 0)
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printf ("portal:%4i mightsee:%4i cansee:%4i\n",
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(int) (portal - portals),
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portal->nummightsee,
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portal->numcansee);
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} while (1);
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return NULL;
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}
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static void *
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WatchThread (void *_thread)
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{
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int thread = (intptr_t) _thread;
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int *local_work = malloc (thread * sizeof (int));
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int i;
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const char *spinner = "|/-\\";
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int ind = 0;
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while (1) {
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usleep (1000000);
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for (i = 0; i < thread; i ++)
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local_work[i] = working[i];
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for (i = 0; i < thread; i++)
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printf ("%6d", local_work[i]);
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printf (" %c\r", spinner[(ind++) % 4]);
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fflush (stdout);
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}
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return NULL;
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}
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static int
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CompressRow (byte *vis, byte *dest)
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{
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int rep, visrow, j;
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byte *dest_p;
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dest_p = dest;
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visrow = (numrealleafs + 7) >> 3;
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for (j = 0; j < visrow; j++) {
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*dest_p++ = vis[j];
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if (vis[j])
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continue;
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rep = 1;
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for (j++; j < visrow; j++)
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if (vis[j] || rep == 255)
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break;
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else
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rep++;
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*dest_p++ = rep;
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j--;
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}
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return dest_p - dest;
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}
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static void
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ClusterFlowExpand (byte *src, byte *dest)
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{
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int i, j;
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for (j = 1, i = 0; i < numrealleafs; i++) {
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if (src[leafcluster[i] >> 3] & (1 << (leafcluster[i] & 7)))
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*dest |= j;
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j <<= 1;
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if (j == 256) {
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j = 1;
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dest++;
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}
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}
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}
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/*
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ClusterFlow
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Builds the entire visibility list for a cluster
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*/
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void
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ClusterFlow (int clusternum)
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{
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byte compressed[MAX_MAP_LEAFS / 8];
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byte *outbuffer;
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int numvis, i, j;
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cluster_t *cluster;
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portal_t *portal;
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outbuffer = uncompressed + clusternum * bitbytes_l;
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cluster = &clusters[clusternum];
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// flow through all portals, collecting visible bits
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memset (compressed, 0, sizeof (compressed));
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for (i = 0; i < cluster->numportals; i++) {
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portal = cluster->portals[i];
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if (portal->status != stat_done)
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Sys_Error ("portal not done");
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for (j = 0; j < bitbytes; j++)
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compressed[j] |= portal->visbits[j];
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}
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if (compressed[clusternum >> 3] & (1 << (clusternum & 7)))
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Sys_Error ("Cluster portals saw into cluster");
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compressed[clusternum >> 3] |= (1 << (clusternum & 7));
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numvis = 0;
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for (i = 0; i < portalclusters; i++)
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if (compressed[i >> 3] & (1 << (i & 3)))
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numvis++;
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// expand to cluster->leaf PVS
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ClusterFlowExpand (compressed, outbuffer);
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// compress the bit string
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if (options.verbosity > 0)
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printf ("cluster %4i : %4i visible\n", clusternum, numvis);
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totalvis += numvis;
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i = CompressRow (outbuffer, compressed);
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cluster->visofs = visdata->size;
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dstring_append (visdata, (char *) compressed, i);
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}
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static void
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CalcPortalVis (void)
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{
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long i;
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// fastvis just uses mightsee for a very loose bound
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if (options.minimal) {
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for (i = 0; i < numportals * 2; i++) {
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portals[i].visbits = portals[i].mightsee;
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portals[i].status = stat_done;
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}
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return;
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}
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#ifdef HAVE_PTHREAD_H
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{
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pthread_t work_threads[MAX_THREADS + 1];
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void *status;
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pthread_attr_t attrib;
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if (options.threads > 1) {
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working = calloc (options.threads, sizeof (int));
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my_mutex = malloc (sizeof (*my_mutex));
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if (pthread_mutex_init (my_mutex, 0) == -1)
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Sys_Error ("pthread_mutex_init failed");
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if (pthread_attr_init (&attrib) == -1)
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Sys_Error ("pthread_attr_create failed");
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if (pthread_attr_setstacksize (&attrib, 0x100000) == -1)
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Sys_Error ("pthread_attr_setstacksize failed");
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for (i = 0; i < options.threads; i++) {
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if (pthread_create (&work_threads[i], &attrib, LeafThread,
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(void *) i) == -1)
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Sys_Error ("pthread_create failed");
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}
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if (pthread_create (&work_threads[i], &attrib, WatchThread,
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(void *) i) == -1)
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Sys_Error ("pthread_create failed");
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for (i = 0; i < options.threads; i++) {
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if (pthread_join (work_threads[i], &status) == -1)
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Sys_Error ("pthread_join failed");
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}
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if (pthread_cancel (work_threads[i]) != 0)
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Sys_Error ("pthread_cancel failed");
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if (pthread_join (work_threads[i], &status) == -1)
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Sys_Error ("pthread_join failed");
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if (pthread_mutex_destroy (my_mutex) == -1)
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Sys_Error ("pthread_mutex_destroy failed");
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} else {
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LeafThread (0);
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}
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}
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#else
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LeafThread (0);
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#endif
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if (options.verbosity > 0) {
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printf ("portalcheck: %i portaltest: %i portalpass: %i\n",
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c_portalcheck, c_portaltest, c_portalpass);
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printf ("c_vistest: %i c_mighttest: %i\n", c_vistest, c_mighttest);
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}
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}
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static void
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CalcVis (void)
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{
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int i;
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BasePortalVis ();
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CalcPortalVis ();
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// assemble the leaf vis lists by oring and compressing the portal lists
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for (i = 0; i < portalclusters; i++)
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ClusterFlow (i);
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for (i = 0; i < numrealleafs; i++) {
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bsp->leafs[i + 1].visofs = clusters[leafcluster[i]].visofs;
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}
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if (options.verbosity >= 0)
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printf ("average clusters visible: %i\n", totalvis / portalclusters);
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}
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#if 0
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static qboolean
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PlaneCompare (plane_t *p1, plane_t *p2)
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{
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int i;
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if (fabs (p1->dist - p2->dist) > 0.01)
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return false;
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for (i = 0; i < 3; i++)
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if (fabs (p1->normal[i] - p2->normal[i]) > 0.001)
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return false;
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return true;
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}
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static sep_t *
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FindPassages (winding_t *source, winding_t *pass)
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{
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double length;
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float d;
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int i, j, k, l;
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int counts[3];
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plane_t plane;
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qboolean fliptest;
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sep_t *sep, *list;
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vec3_t v1, v2;
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list = NULL;
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// check all combinations
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for (i = 0; i < source->numpoints; i++) {
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l = (i + 1) % source->numpoints;
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VectorSubtract (source->points[l], source->points[i], v1);
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// find a vertex of pass that makes a plane that puts all of the
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// vertexes of pass on the front side and all of the vertexes of
|
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// source on the back side
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for (j = 0; j < pass->numpoints; j++) {
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VectorSubtract (pass->points[j], source->points[i], v2);
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plane.normal[0] = v1[1] * v2[2] - v1[2] * v2[1];
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plane.normal[1] = v1[2] * v2[0] - v1[0] * v2[2];
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plane.normal[2] = v1[0] * v2[1] - v1[1] * v2[0];
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|
|
// if points don't make a valid plane, skip it
|
|
length = plane.normal[0] * plane.normal[0] +
|
|
plane.normal[1] * plane.normal[1] +
|
|
plane.normal[2] * plane.normal[2];
|
|
|
|
if (length < ON_EPSILON)
|
|
continue;
|
|
|
|
length = 1 / sqrt(length);
|
|
|
|
plane.normal[0] *= length;
|
|
plane.normal[1] *= length;
|
|
plane.normal[2] *= length;
|
|
|
|
plane.dist = DotProduct (pass->points[j], plane.normal);
|
|
|
|
// find out which side of the generated seperating plane has the
|
|
// source portal
|
|
fliptest = false;
|
|
for (k = 0; k < source->numpoints; k++) {
|
|
if (k == i || k == l)
|
|
continue;
|
|
d = DotProduct (source->points[k], plane.normal) - plane.dist;
|
|
if (d < -ON_EPSILON) {
|
|
// source is on the negative side, so we want all
|
|
// pass and target on the positive side
|
|
fliptest = false;
|
|
break;
|
|
} else if (d > ON_EPSILON) {
|
|
// source is on the positive side, so we want all
|
|
// pass and target on the negative side
|
|
fliptest = true;
|
|
break;
|
|
}
|
|
}
|
|
if (k == source->numpoints)
|
|
continue; // planar with source portal
|
|
|
|
// flip the normal if the source portal is backwards
|
|
if (fliptest) {
|
|
VectorNegate (plane.normal, plane.normal);
|
|
plane.dist = -plane.dist;
|
|
}
|
|
|
|
// if all of the pass portal points are now on the positive side,
|
|
// this is the seperating plane
|
|
counts[0] = counts[1] = counts[2] = 0;
|
|
for (k = 0; k < pass->numpoints; k++) {
|
|
if (k == j)
|
|
continue;
|
|
d = DotProduct (pass->points[k], plane.normal) - plane.dist;
|
|
if (d < -ON_EPSILON)
|
|
break;
|
|
else if (d > ON_EPSILON)
|
|
counts[0]++;
|
|
else
|
|
counts[2]++;
|
|
}
|
|
if (k != pass->numpoints)
|
|
continue; // points on negative side, not a seperating plane
|
|
|
|
if (!counts[0])
|
|
continue; // planar with pass portal
|
|
|
|
// save this out
|
|
count_sep++;
|
|
|
|
sep = malloc (sizeof (*sep));
|
|
sep->next = list;
|
|
list = sep;
|
|
sep->plane = plane;
|
|
}
|
|
}
|
|
return list;
|
|
}
|
|
|
|
static void
|
|
CalcPassages (void)
|
|
{
|
|
int count, count2, i, j, k;
|
|
leaf_t *leaf;
|
|
portal_t *p1, *p2;
|
|
sep_t *sep;
|
|
passage_t *passages;
|
|
|
|
if (options.verbosity >= 0)
|
|
printf ("building passages...\n");
|
|
|
|
count = count2 = 0;
|
|
for (i = 0; i < portalleafs; i++) {
|
|
leaf = &leafs[i];
|
|
|
|
for (j = 0; j < leaf->numportals; j++) {
|
|
p1 = leaf->portals[j];
|
|
for (k = 0; k < leaf->numportals; k++) {
|
|
if (k == j)
|
|
continue;
|
|
|
|
count++;
|
|
p2 = leaf->portals[k];
|
|
|
|
// definately can't see into a coplanar portal
|
|
if (PlaneCompare (&p1->plane, &p2->plane))
|
|
continue;
|
|
|
|
count2++;
|
|
|
|
sep = FindPassages (p1->winding, p2->winding);
|
|
if (!sep) {
|
|
count_sep++;
|
|
sep = malloc (sizeof (*sep));
|
|
sep->next = NULL;
|
|
sep->plane = p1->plane;
|
|
}
|
|
passages = malloc (sizeof (*passages));
|
|
passages->planes = sep;
|
|
passages->from = p1->leaf;
|
|
passages->to = p2->leaf;
|
|
passages->next = leaf->passages;
|
|
leaf->passages = passages;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (options.verbosity >= 0) {
|
|
printf ("numpassages: %i (%i)\n", count2, count);
|
|
printf ("total passages: %i\n", count_sep);
|
|
}
|
|
}
|
|
#endif
|
|
static void
|
|
LoadPortals (char *name)
|
|
{
|
|
const char *line;
|
|
char *err;
|
|
int numpoints, i, j, k;
|
|
int read_leafs = 0;
|
|
int clusternums[2];
|
|
cluster_t *cluster;
|
|
plane_t plane;
|
|
portal_t *portal;
|
|
winding_t *winding;
|
|
QFile *f;
|
|
|
|
if (!strcmp (name, "-"))
|
|
f = Qdopen (0, "rt"); // create a QFile of stdin
|
|
else {
|
|
f = Qopen (name, "r");
|
|
if (!f) {
|
|
printf ("LoadPortals: couldn't read %s\n", name);
|
|
printf ("No vising performed.\n");
|
|
exit (1);
|
|
}
|
|
}
|
|
|
|
line = Qgetline (f);
|
|
|
|
if (line && (!strcmp (line, PORTALFILE "\n")
|
|
|| !strcmp (line, PORTALFILE "\r\n"))) {
|
|
line = Qgetline (f);
|
|
if (!line || sscanf (line, "%i\n", &portalclusters) != 1)
|
|
Sys_Error ("LoadPortals: failed to read header");
|
|
line = Qgetline (f);
|
|
if (!line || sscanf (line, "%i\n", &numportals) != 1)
|
|
Sys_Error ("LoadPortals: failed to read header");
|
|
numrealleafs = portalclusters;
|
|
} else if (line && (!strcmp (line, PORTALFILE_AM "\n")
|
|
|| !strcmp (line, PORTALFILE_AM "\r\n"))) {
|
|
line = Qgetline (f);
|
|
if (!line || sscanf (line, "%i\n", &portalclusters) != 1)
|
|
Sys_Error ("LoadPortals: failed to read header");
|
|
line = Qgetline (f);
|
|
if (!line || sscanf (line, "%i\n", &numportals) != 1)
|
|
Sys_Error ("LoadPortals: failed to read header");
|
|
line = Qgetline (f);
|
|
if (!line || sscanf (line, "%i\n", &numrealleafs) != 1)
|
|
Sys_Error ("LoadPortals: failed to read header");
|
|
read_leafs = 1;
|
|
} else {
|
|
Sys_Error ("LoadPortals: not a portal file");
|
|
}
|
|
|
|
if (options.verbosity >= 0) {
|
|
printf ("%4i portalclusters\n", portalclusters);
|
|
printf ("%4i numportals\n", numportals);
|
|
printf ("%4i numrealleafs\n", numrealleafs);
|
|
}
|
|
|
|
bitbytes = ((portalclusters + 63) & ~63) >> 3;
|
|
bitlongs = bitbytes / sizeof (long);
|
|
|
|
bitbytes_l = ((numrealleafs + 63) & ~63) >> 3;
|
|
|
|
// each file portal is split into two memory portals, one for each
|
|
// direction
|
|
portals = calloc (2 * numportals, sizeof (portal_t));
|
|
|
|
clusters = calloc (portalclusters, sizeof (cluster_t));
|
|
|
|
originalvismapsize = numrealleafs * ((numrealleafs + 7) / 8);
|
|
|
|
for (i = 0, portal = portals; i < numportals; i++) {
|
|
line = Qgetline (f);
|
|
if (!line)
|
|
Sys_Error ("LoadPortals: reading portal %i", i);
|
|
|
|
numpoints = strtol (line, &err, 10);
|
|
if (err == line)
|
|
Sys_Error ("LoadPortals: reading portal %i", i);
|
|
line = err;
|
|
for (j = 0; j < 2; j++) {
|
|
clusternums[j] = strtol (line, &err, 10);
|
|
if (err == line)
|
|
Sys_Error ("LoadPortals: reading portal %i", i);
|
|
line = err;
|
|
}
|
|
|
|
if (numpoints > MAX_POINTS_ON_WINDING)
|
|
Sys_Error ("LoadPortals: portal %i has too many points", i);
|
|
if ((unsigned) clusternums[0] > (unsigned) portalclusters
|
|
|| (unsigned) clusternums[1] > (unsigned) portalclusters)
|
|
Sys_Error ("LoadPortals: reading portal %i", i);
|
|
|
|
winding = portal->winding = NewWinding (numpoints);
|
|
winding->original = true;
|
|
winding->numpoints = numpoints;
|
|
|
|
for (j = 0; j < numpoints; j++) {
|
|
// (%ld %ld %ld)
|
|
while (isspace (*line))
|
|
line++;
|
|
if (*line++ != '(')
|
|
Sys_Error ("LoadPortals: reading portal %i", i);
|
|
|
|
for (k = 0; k < 3; k++) {
|
|
winding->points[j][k] = strtod (line, &err);
|
|
if (err == line)
|
|
Sys_Error ("LoadPortals: reading portal %i", i);
|
|
line = err;
|
|
}
|
|
|
|
while (isspace (*line))
|
|
line++;
|
|
if (*line++ != ')')
|
|
Sys_Error ("LoadPortals: reading portal %i", i);
|
|
}
|
|
|
|
// calc plane
|
|
PlaneFromWinding (winding, &plane);
|
|
|
|
// create forward portal
|
|
cluster = &clusters[clusternums[0]];
|
|
if (cluster->numportals == MAX_PORTALS_ON_CLUSTER)
|
|
Sys_Error ("Cluster with too many portals");
|
|
cluster->portals[cluster->numportals] = portal;
|
|
cluster->numportals++;
|
|
|
|
portal->winding = winding;
|
|
VectorNegate (plane.normal, portal->plane.normal);
|
|
portal->plane.dist = -plane.dist;
|
|
portal->cluster = clusternums[1];
|
|
portal++;
|
|
|
|
// create backwards portal
|
|
cluster = &clusters[clusternums[1]];
|
|
if (cluster->numportals == MAX_PORTALS_ON_CLUSTER)
|
|
Sys_Error ("Cluster with too many portals");
|
|
cluster->portals[cluster->numportals] = portal;
|
|
cluster->numportals++;
|
|
|
|
portal->winding = winding;
|
|
portal->plane = plane;
|
|
portal->cluster = clusternums[0];
|
|
portal++;
|
|
}
|
|
|
|
leafcluster = calloc (numrealleafs, sizeof (int));
|
|
if (read_leafs) {
|
|
for (i = 0; i < numrealleafs; i++) {
|
|
line = Qgetline (f);
|
|
if (sscanf (line, "%i\n", &leafcluster[i]) != 1)
|
|
Sys_Error ("LoadPortals: parse error in leaf->cluster "
|
|
"mappings");
|
|
}
|
|
} else {
|
|
for (i = 0; i < numrealleafs; i++)
|
|
leafcluster[i] = i;
|
|
}
|
|
Qclose (f);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
double start, stop;
|
|
dstring_t *portalfile = dstring_new ();
|
|
QFile *f;
|
|
|
|
start = Sys_DoubleTime ();
|
|
|
|
this_program = argv[0];
|
|
|
|
DecodeArgs (argc, argv);
|
|
|
|
if (!options.bspfile) {
|
|
usage (1);
|
|
Sys_Error ("%s: no bsp file specified.", this_program);
|
|
}
|
|
|
|
QFS_SetExtension (options.bspfile, ".bsp");
|
|
|
|
f = Qopen (options.bspfile->str, "rb");
|
|
if (!f)
|
|
Sys_Error ("couldn't open %s for reading.", options.bspfile->str);
|
|
bsp = LoadBSPFile (f, Qfilesize (f));
|
|
Qclose (f);
|
|
|
|
visdata = dstring_new ();
|
|
|
|
dstring_copystr (portalfile, options.bspfile->str);
|
|
QFS_SetExtension (portalfile, ".prt");
|
|
LoadPortals (portalfile->str);
|
|
|
|
uncompressed = calloc (bitbytes_l, portalclusters);
|
|
|
|
CalcVis ();
|
|
|
|
if (options.verbosity >= 0)
|
|
printf ("c_chains: %i%s\n", c_chains,
|
|
options.threads > 1 ? " (not reliable)" :"");
|
|
|
|
BSP_AddVisibility (bsp, (byte *) visdata->str, visdata->size);
|
|
if (options.verbosity >= 0)
|
|
printf ("visdatasize:%ld compressed from %ld\n",
|
|
(long) bsp->visdatasize, (long) originalvismapsize);
|
|
|
|
CalcAmbientSounds ();
|
|
|
|
f = Qopen (options.bspfile->str, "wb");
|
|
if (!f)
|
|
Sys_Error ("couldn't open %s for writing.", options.bspfile->str);
|
|
WriteBSPFile (bsp, f);
|
|
Qclose (f);
|
|
|
|
stop = Sys_DoubleTime ();
|
|
|
|
if (options.verbosity >= 0)
|
|
printf ("%5.1f seconds elapsed\n", stop - start);
|
|
|
|
return 0;
|
|
}
|