mirror of https://git.code.sf.net/p/quake/newtree
165 lines
3.5 KiB
C
165 lines
3.5 KiB
C
/*
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locs.c
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Parsing and handling of location files.
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Copyright (C) 2000 Anton Gavrilov (tonik@quake.ru)
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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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$Id$
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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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#include <limits.h>
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#include <string.h>
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#include "client.h"
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#include "qtypes.h"
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#include "sys.h"
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#include "locs.h"
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#include "console.h"
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#define LOCATION_BLOCK 128 // 128 locations per block.
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location_t **locations = NULL;
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int locations_alloced = 0;
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int locations_count = 0;
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int location_blocks = 0;
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void locs_add (vec3_t location, char *name);
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void locs_load (char *mapname);
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void locs_free ();
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void locs_more ();
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location_t *
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locs_find (vec3_t target)
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{
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location_t *best = NULL, *cur;
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float best_distance = 9999999, distance;
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int i;
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for (i = 0; i < locations_count; i++) {
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cur = locations[i];
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distance = VectorDistance_fast (target, cur->loc);
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// distance = VectorDistance(target, cur->loc);
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if ((distance < best_distance) || !best) {
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best = cur;
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best_distance = distance;
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}
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}
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return best;
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}
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void
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locs_add (vec3_t location, char *name)
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{
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int num;
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locations_count++;
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if (locations_count >= locations_alloced)
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locs_more ();
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num = locations_count - 1;
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locations[num] = malloc (sizeof (location_t));
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locations[num]->loc[0] = location[0];
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locations[num]->loc[1] = location[1];
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locations[num]->loc[2] = location[2];
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locations[num]->name = strdup (name);
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if (!locations[num]->name)
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Sys_Error ("locs_add: Can't strdup name!");
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}
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void
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locs_load (char *mapname)
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{
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QFile *file;
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char *line, *t1, *t2;
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vec3_t loc;
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char tmp[PATH_MAX];
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snprintf (tmp, sizeof (tmp), "maps/%s.loc", mapname);
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COM_FOpenFile (tmp, &file);
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if (!file) {
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Con_Printf ("Couldn't load %s\n", tmp);
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return;
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}
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while ((line = Qgetline (file))) {
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if (line[0] == '#')
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continue;
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loc[0] = strtol (line, &t1, 0) * (1.0 / 8);
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loc[1] = strtol (t1, &t2, 0) * (1.0 / 8);
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loc[2] = strtol (t2, &t1, 0) * (1.0 / 8);
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t1++;
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t2 = strrchr (t1, '\n');
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if (t2) {
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t2[0] = '\0';
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// handle dos format lines (COM_FOpenFile is binary only)
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// and unix is effectively binary only anyway
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if (t2 > t1 && t2[-1] == '\r')
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t2[-1] = '\0';
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}
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locs_add (loc, t1);
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}
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Qclose (file);
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}
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void
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locs_reset ()
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{
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int i;
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for (i = 0; i < locations_count; i++) {
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free ((void *) locations[i]->name);
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free ((void *) locations[i]);
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locations[i] = NULL;
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}
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free (locations);
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locations_alloced = 0;
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locations_count = 0;
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locations = NULL;
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}
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void
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locs_more ()
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{
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size_t size;
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location_blocks++;
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locations_alloced += LOCATION_BLOCK;
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size = (sizeof (location_t *) * LOCATION_BLOCK * location_blocks);
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if (locations)
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locations = realloc (locations, size);
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else
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locations = malloc (size);
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if (!locations)
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Sys_Error ("ERROR! Can not alloc memory for location block!");
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}
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