empserver/src/lib/common/check.c
2004-12-13 16:47:13 +00:00

173 lines
4.4 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2004, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* check.c: Check a sector, plane, land unit, ship or nuke
*
* Known contributors to this file:
* Steve McClure, 1998
*/
#include "misc.h"
#include "player.h"
#include "xy.h"
#include "file.h"
#include "sect.h"
#include "ship.h"
#include "plane.h"
#include "nuke.h"
#include "land.h"
#include "nsc.h"
#include "nat.h"
#include "commodity.h"
#include "loan.h"
#include "commands.h"
#include "trade.h"
/* Note that timestamps make things tricky. And, we don't
* really care about the timestamp, we just care about the rest
* of the structure. So, we make a copy, and zero the timestamps
* in both copies, and then compare. */
int
check_sect_ok(struct sctstr *sectp)
{
struct sctstr chksect;
struct sctstr tsect;
getsect(sectp->sct_x, sectp->sct_y, &chksect);
memcpy(&tsect, sectp, sizeof(struct sctstr));
tsect.sct_timestamp = chksect.sct_timestamp = 0;
if (memcmp(&tsect, &chksect, sizeof(struct sctstr))) {
pr("Sector %s has changed!\n",
xyas(sectp->sct_x, sectp->sct_y, player->cnum));
return 0;
}
return 1;
}
int
check_ship_ok(struct shpstr *shipp)
{
struct shpstr chkship;
struct shpstr tship;
getship(shipp->shp_uid, &chkship);
memcpy(&tship, shipp, sizeof(struct shpstr));
tship.shp_timestamp = chkship.shp_timestamp = 0;
if (memcmp(&tship, &chkship, sizeof(struct shpstr))) {
pr("Ship #%d has changed!\n", shipp->shp_uid);
return 0;
}
return 1;
}
int
check_plane_ok(struct plnstr *planep)
{
struct plnstr chkplane;
struct plnstr tplane;
getplane(planep->pln_uid, &chkplane);
memcpy(&tplane, planep, sizeof(struct plnstr));
tplane.pln_timestamp = chkplane.pln_timestamp = 0;
if (memcmp(&tplane, &chkplane, sizeof(struct plnstr))) {
pr("Plane #%d has changed!\n", planep->pln_uid);
return 0;
}
return 1;
}
int
check_land_ok(struct lndstr *landp)
{
struct lndstr chkland;
struct lndstr tland;
getland(landp->lnd_uid, &chkland);
memcpy(&tland, landp, sizeof(struct lndstr));
tland.lnd_timestamp = chkland.lnd_timestamp = 0;
if (memcmp(&tland, &chkland, sizeof(struct lndstr))) {
pr("Land unit #%d has changed!\n", landp->lnd_uid);
return 0;
}
return 1;
}
int
check_nuke_ok(struct nukstr *nukep)
{
struct nukstr chknuke;
struct nukstr tnuke;
getnuke(nukep->nuk_uid, &chknuke);
memcpy(&tnuke, nukep, sizeof(struct nukstr));
tnuke.nuk_timestamp = chknuke.nuk_timestamp = 0;
if (memcmp(&tnuke, &chknuke, sizeof(struct nukstr))) {
pr("Nuclear stockpile %d has changed!\n", nukep->nuk_uid);
return 0;
}
return 1;
}
int
check_loan_ok(struct lonstr *loanp)
{
struct lonstr chkloan;
getloan(loanp->l_uid, &chkloan);
if (memcmp(loanp, &chkloan, sizeof(struct lonstr))) {
pr("Loan %d has changed!\n", loanp->l_uid);
return 0;
}
return 1;
}
int
check_comm_ok(struct comstr *commp)
{
struct comstr chkcomm;
getcomm(commp->com_uid, &chkcomm);
if (memcmp(commp, &chkcomm, sizeof(struct comstr))) {
pr("Commodity %d has changed!\n", commp->com_uid);
return 0;
}
return 1;
}
int
check_trade_ok(struct trdstr *tp)
{
struct trdstr chktrade;
gettrade(tp->trd_uid, &chktrade);
if (memcmp(tp, &chktrade, sizeof(struct trdstr))) {
pr("Trade lot #%d has changed!\n", tp->trd_uid);
return 0;
}
return 1;
}