2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * check.c: Check a sector, plane, land unit, ship or nuke
30 * Known contributors to this file:
36 #include "commodity.h"
40 #include "prototypes.h"
42 /* Note that timestamps make things tricky. And, we don't
43 * really care about the timestamp, we just care about the rest
44 * of the structure. So, we make a copy, and zero the timestamps
45 * in both copies, and then compare. */
48 obj_changed(struct empobj *obj, size_t sz)
50 union empobj_storage old, tobj;
52 get_empobj(obj->ef_type, obj->uid, &old);
53 memcpy(&tobj, obj, sz);
54 old.gen.timestamp = tobj.gen.timestamp = 0;
55 old.gen.generation = tobj.gen.generation = 0;
56 if (memcmp(&tobj, &old, sz))
58 ef_mark_fresh(obj->ef_type, obj);
63 check_sect_ok(struct sctstr *sectp)
65 if (obj_changed((struct empobj *)sectp, sizeof(*sectp))) {
66 pr("Sector %s has changed!\n",
67 xyas(sectp->sct_x, sectp->sct_y, player->cnum));
74 check_ship_ok(struct shpstr *shipp)
76 if (obj_changed((struct empobj *)shipp, sizeof(*shipp))) {
77 pr("Ship #%d has changed!\n", shipp->shp_uid);
84 check_plane_ok(struct plnstr *planep)
86 if (obj_changed((struct empobj *)planep, sizeof(*planep))) {
87 pr("Plane #%d has changed!\n", planep->pln_uid);
94 check_land_ok(struct lndstr *landp)
96 if (obj_changed((struct empobj *)landp, sizeof(*landp))) {
97 pr("Land unit #%d has changed!\n", landp->lnd_uid);
104 check_nuke_ok(struct nukstr *nukep)
106 if (obj_changed((struct empobj *)nukep, sizeof(*nukep))) {
107 pr("Nuke %d has changed!\n", nukep->nuk_uid);
114 check_loan_ok(struct lonstr *loanp)
116 if (obj_changed((struct empobj *)loanp, sizeof(*loanp))) {
117 pr("Loan %d has changed!\n", loanp->l_uid);
124 check_comm_ok(struct comstr *commp)
126 if (obj_changed((struct empobj *)commp, sizeof(*commp))) {
127 pr("Commodity %d has changed!\n", commp->com_uid);
134 check_trade_ok(struct trdstr *tp)
136 if (obj_changed((struct empobj *)tp, sizeof(*tp))) {
137 pr("Trade lot #%d has changed!\n", tp->trd_uid);