2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2021, 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 * set.c: Place units/ships/planes/nukes up for sale.
29 * Known contributors to this file:
33 * Markus Armbruster, 2004-2018
47 * format: set <type> <SHIP/NUKE> <PRICE>
52 static int ef_saleable[] = { EF_SHIP, EF_PLANE, EF_LAND, EF_NUKE, EF_BAD };
59 struct nstr_item ni_trade;
60 union empobj_storage item;
69 pr("The market is disabled.\n");
75 p = getstarg(player->argp[1], "Ship, plane, land unit or nuke? ", buf);
78 if ((type = ef_byname_from(p, ef_saleable)) < 0) {
79 pr("You can sell only ships, planes, land units or nukes\n");
82 if (!snxtitem(&ni, type, player->argp[2], NULL))
84 while (nxtitem(&ni, &item)) {
85 if (!player->owner && !player->god)
87 getsect(item.gen.x, item.gen.y, §);
88 if (!military_control(§)) {
89 pr("Military control required to sell goods.\n");
92 trade.trd_type = type;
93 sprintf(prompt, "%s #%d; price? ",
94 trade_nameof(&trade, &item.gen), ni.cur);
95 if (!(p = getstarg(player->argp[3], prompt, buf)))
97 if (!check_obj_ok(&item.gen))
99 if ((price = atoi(p)) < 0)
103 snxtitem_all(&ni_trade, EF_TRADE);
104 while (nxtitem(&ni_trade, &trade)) {
105 if (!trade.trd_owner) {
107 freeslot = ni_trade.cur;
110 if (trade.trd_unitid == ni.cur && trade.trd_type == type) {
111 foundslot = ni_trade.cur;
116 if (foundslot >= 0) {
117 pr("%s #%d (lot #%d) removed from trading\n",
118 trade_nameof(&trade, &item.gen), ni.cur, foundslot);
120 puttrade(ni_trade.cur, &trade);
123 if (trade_has_unsalable_cargo(&item.gen, 1))
127 else if (freeslot >= 0)
131 ef_blank(EF_TRADE, id, &trade);
134 trade.trd_type = type;
135 trade.trd_owner = player->cnum;
136 trade.trd_unitid = ni.cur;
137 trade.trd_price = price;
139 trade.trd_markettime = now;
140 trade.trd_maxbidder = player->cnum;
141 puttrade(id, &trade);
142 pr("%s #%d (lot #%d) price %s to $%d\n",
143 trade_nameof(&trade, &item.gen), ni.cur,
144 id, foundslot >= 0 ? "reset" : "set", price);