empserver/src/lib/subs/natsub.c

153 lines
4.3 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* nat.c: Nation subroutines
*
* Known contributors to this file:
* Markus Armbruster, 2009
* Ron Koenderink, 2008-2009
*/
#include <config.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#include "file.h"
#include "game.h"
#include "nat.h"
#include "optlist.h"
#include "prototypes.h"
#include "tel.h"
#include "xy.h"
/*
* Reset NATP for status STAT with origin/capital at X,Y.
* Wipes everything but nat_cnum, nat_cnam and nat_pnam.
* Also wipes realms and telegrams.
*/
struct natstr *
nat_reset(struct natstr *natp, enum nat_status stat, coord x, coord y)
{
static struct range defrealm = { -8, -5, 10, 5, 0, 0 };
struct realmstr newrealm;
struct range absrealm;
char buf[1024];
int i;
natp->nat_stat = stat;
*natp->nat_hostaddr = '\0';
*natp->nat_hostname = '\0';
*natp->nat_userid = '\0';
natp->nat_xcap = natp->nat_xorg = x;
natp->nat_ycap = natp->nat_yorg = y;
if (stat == STAT_SANCT)
xyabsrange(natp, &defrealm, &absrealm);
else
memset(&absrealm, 0, sizeof(absrealm));
for (i = 0; i < MAXNOR; i++) {
ef_blank(EF_REALM, i + natp->nat_cnum * MAXNOR, &newrealm);
newrealm.r_cnum = natp->nat_cnum;
newrealm.r_realm = i;
newrealm.r_xl = absrealm.lx;
newrealm.r_xh = absrealm.hx;
newrealm.r_yl = absrealm.ly;
newrealm.r_yh = absrealm.hy;
putrealm(&newrealm);
}
if (players_at_00) {
natp->nat_xorg = 0;
natp->nat_yorg = 0;
}
natp->nat_timeused = 0;
natp->nat_update = 0;
natp->nat_tgms = 0;
close(creat(mailbox(buf, natp->nat_cnum),
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP));
natp->nat_ann = 0; /* FIXME number of annos */
natp->nat_btu = stat == STAT_SANCT ? max_btus : 0;
natp->nat_access = 0;
game_tick_to_now(&natp->nat_access);
natp->nat_reserve = 0;
natp->nat_money = stat == STAT_SANCT ? start_cash : 0;
natp->nat_last_login = natp->nat_last_logout = 0;
natp->nat_newstim = 0;
natp->nat_annotim = 0;
natp->nat_level[NAT_HLEV] = start_happiness;
natp->nat_level[NAT_RLEV] = start_research;
natp->nat_level[NAT_TLEV] = start_technology;
natp->nat_level[NAT_ELEV] = start_education;
for (i = 0; i < MAXNOC; i++)
natp->nat_relate[i] = NEUTRAL;
memset(natp->nat_contact, 0, sizeof(natp->nat_rejects));
memset(natp->nat_rejects, 0, sizeof(natp->nat_rejects));
natp->nat_flags =
NF_FLASH | NF_BEEP | NF_COASTWATCH | NF_SONAR | NF_TECHLISTS;
return natp;
}
int
check_nat_name(char *cname)
{
struct natstr *natp;
natid cn;
int allblank;
char *p;
if (strlen(cname) >= sizeof(natp->nat_cnam)) {
pr("Country name too long\n");
return 0;
}
allblank = 1;
for (p = cname; *p != '\0'; p++) {
if (iscntrl(*p)) {
pr("No control characters allowed in country names!\n");
return 0;
} else if (!isspace(*p))
allblank = 0;
}
if (allblank) {
pr("Country name can't be all blank\n");
return 0;
}
for (cn = 0; NULL != (natp = getnatp(cn)); cn++) {
if (!strcmp(cname, natp->nat_cnam)) {
pr("Country #%d is already called `%s'\n", cn, cname);
return 0;
}
}
return 1;
}