2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * trade.h: Definitions for trading units/ships/planes in a time delay
30 * Known contributors to this file:
43 /* initial part must match struct empobj */
45 unsigned trd_seqno: 12;
46 unsigned trd_generation: 12;
50 /* end of part matching struct empobj */
55 time_t trd_markettime;
56 coord trd_x; /* destination for teleporting trade */
60 extern int trade_check_ok(struct trdstr *, struct empobj *);
61 extern char *trade_nameof(struct trdstr *, struct empobj *);
62 extern int trade_desc(struct empobj *);
63 extern int trade_has_unsalable_cargo(struct empobj *, int);
64 extern int trade_getitem(struct trdstr *, union empobj_storage *);
66 #define gettrade(n, p) ef_read(EF_TRADE, (n), (p))
67 #define puttrade(n, p) ef_write(EF_TRADE, (n), (p))
68 #define gettradep(n) ((struct trdstr *)ef_ptr(EF_TRADE, (n)))