2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * set.c: Place units/ships/planes/nukes up for sale.
30 * Known contributors to this file:
53 * format: set <type> <SHIP/NUKE> <PRICE>
64 struct nstr_item ni_trade;
66 union trdgenstr check;
75 pr("The market is disabled.\n");
81 if ((p = getstarg(player->argp[1], "Item type? ", buf)) == 0)
83 if ((type = ef_byname(p)) < 0) {
84 pr("%s: not an item type\n", p);
87 if (type == EF_SECTOR)
93 if (!snxtitem(&ni, type, player->argp[2]))
95 while (nxtitem(&ni, (char *)&item)) {
96 if (!player->owner && !player->god)
98 getsect(item.gen.trg_x, item.gen.trg_y, §);
99 if (!military_control(§)) {
100 pr("Military control required to sell goods.\n");
103 trade.trd_type = type;
104 sprintf(prompt, "%s #%d; Price? ",
105 trade_nameof(&trade, &item), ni.cur);
106 memcpy(&check, &item, sizeof(union trdgenstr));
107 if ((p = getstarg(player->argp[3], prompt, buf)) == 0)
109 if (memcmp(&check, &item, sizeof(union trdgenstr))) {
110 pr("That item has changed!\n");
113 if ((price = atoi(p)) < 0)
117 snxtitem_all(&ni_trade, EF_TRADE);
118 while (nxtitem(&ni_trade, (char *)&trade)) {
119 if (trade.trd_owner == 0)
120 freeslot = ni_trade.cur;
121 if (trade.trd_unitid == ni.cur && trade.trd_type == type) {
122 foundslot = ni_trade.cur;
127 if (foundslot >= 0) {
128 pr("%s #%d (lot #%d) removed from trading\n",
129 trade_nameof(&trade, &item), ni.cur, foundslot);
130 memset(&trade, 0, sizeof(trade));
131 puttrade(ni_trade.cur, &trade);
136 else if (freeslot >= 0)
139 ef_extend(EF_TRADE, 1);
142 trade.trd_x = item.gen.trg_x;
143 trade.trd_y = item.gen.trg_x;
144 trade.trd_type = type;
145 trade.trd_owner = player->cnum;
147 trade.trd_unitid = ni.cur;
148 trade.trd_price = price;
150 trade.trd_markettime = now;
151 trade.trd_maxbidder = player->cnum;
152 puttrade(id, &trade);
153 pr("%s #%d (lot #%d) price %s to $%d\n",
154 trade_nameof(&trade, &item), ni.cur,
155 id, foundslot >= 0 ? "reset" : "set", price);