106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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. See the
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* GNU General Public License for more details.
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*
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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 the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* bigmap.c: Updates a player's sector map using sector offsets and
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* simple overwrite rules.
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*
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* Known contributors to this file:
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*
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*/
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#include <config.h>
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#include "misc.h"
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#include "player.h"
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#include "file.h"
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#include "prototypes.h"
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/* values of only_bmap:
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* 0 = update both maps
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* 1 = update only bmap
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* 2 = update only bmap with force
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*/
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static int do_map_set(char *map, coord x, coord y, char t, int force);
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int
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map_set(natid cnum, coord x, coord y, char t, int only_bmap)
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{
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int set = 0;
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if (!t)
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return 0;
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if (!only_bmap)
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set |= do_map_set(ef_ptr(EF_MAP, cnum), x, y, t, 0);
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set |= do_map_set(ef_ptr(EF_BMAP, cnum), x, y, t, only_bmap > 1);
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return set;
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}
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static int
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do_map_set(char *map, coord x, coord y, char t, int force)
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{
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int id;
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char ot;
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if ((id = sctoff(x, y)) < 0)
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return 0;
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if (((map[id] == 'x') || (map[id] == 'X')) && !force)
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return 0;
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ot = map[id];
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if (t == '?') {
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switch (map[id]) {
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case '.':
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case '-':
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case ' ':
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case 0:
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map[id] = t;
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break;
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default:
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break;
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}
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} else {
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map[id] = t;
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}
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return 1;
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}
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void
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writebmap(natid cnum)
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{
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ef_write(EF_BMAP, cnum, ef_ptr(EF_BMAP, cnum));
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}
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void
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writemap(natid cnum)
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{
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ef_write(EF_MAP, cnum, ef_ptr(EF_MAP, cnum));
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ef_write(EF_BMAP, cnum, ef_ptr(EF_BMAP, cnum));
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}
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