/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure, Markus Armbruster
*
* Empire 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 3 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, see .
*
* ---
*
* 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.
*
* ---
*
* trade.h: Definitions for trading units/ships/planes in a time delay
* system
*
* Known contributors to this file:
* Dave Pare
* Pat Loney, 1992
* Steve McClure, 1996
*/
#ifndef TRADE_H
#define TRADE_H
#include
#include "types.h"
struct trdstr {
/* initial part must match struct empobj */
signed ef_type: 8;
unsigned trd_seqno: 12;
unsigned trd_generation: 12;
int trd_uid;
time_t trd_timestamp;
natid trd_owner;
/* end of part matching struct empobj */
short trd_type;
int trd_unitid;
long trd_price;
int trd_maxbidder;
time_t trd_markettime;
coord trd_x; /* destination for teleporting trade */
coord trd_y;
};
extern int trade_check_ok(struct trdstr *, struct empobj *);
extern char *trade_nameof(struct trdstr *, struct empobj *);
extern int trade_desc(struct empobj *);
extern int trade_has_unsalable_cargo(struct empobj *, int);
extern int trade_getitem(struct trdstr *, union empobj_storage *);
#define gettrade(n, p) ef_read(EF_TRADE, (n), (p))
#define puttrade(n, p) ef_write(EF_TRADE, (n), (p))
#define gettradep(n) ((struct trdstr *)ef_ptr(EF_TRADE, (n)))
#endif