2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2006, 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>
58 static int ef_saleable[] = { EF_SHIP, EF_PLANE, EF_LAND, EF_NUKE, EF_BAD };
65 struct nstr_item ni_trade;
67 union trdgenstr check;
76 pr("The market is disabled.\n");
82 if ((p = getstarg(player->argp[1], "Ship, plane, land unit or nuke? ", buf)) == 0)
84 if ((type = ef_byname_from(p, ef_saleable)) < 0) {
85 pr("You can sell only ships, planes, land units or nukes\n");
88 if (!snxtitem(&ni, type, player->argp[2]))
90 while (nxtitem(&ni, &item)) {
91 if (!player->owner && !player->god)
93 getsect(item.gen.trg_x, item.gen.trg_y, §);
94 if (!military_control(§)) {
95 pr("Military control required to sell goods.\n");
98 trade.trd_type = type;
99 sprintf(prompt, "%s #%d; Price? ",
100 trade_nameof(&trade, &item), ni.cur);
101 memcpy(&check, &item, sizeof(union trdgenstr));
102 if ((p = getstarg(player->argp[3], prompt, buf)) == 0)
104 if (memcmp(&check, &item, sizeof(union trdgenstr))) {
105 pr("That item has changed!\n");
108 if ((price = atoi(p)) < 0)
112 snxtitem_all(&ni_trade, EF_TRADE);
113 while (nxtitem(&ni_trade, &trade)) {
114 if (trade.trd_owner == 0)
115 freeslot = ni_trade.cur;
116 if (trade.trd_unitid == ni.cur && trade.trd_type == type) {
117 foundslot = ni_trade.cur;
122 if (foundslot >= 0) {
123 pr("%s #%d (lot #%d) removed from trading\n",
124 trade_nameof(&trade, &item), ni.cur, foundslot);
125 memset(&trade, 0, sizeof(trade));
126 puttrade(ni_trade.cur, &trade);
131 else if (freeslot >= 0)
134 ef_extend(EF_TRADE, 1);
137 trade.trd_x = item.gen.trg_x;
138 trade.trd_y = item.gen.trg_y;
139 trade.trd_type = type;
140 trade.trd_owner = player->cnum;
142 trade.trd_unitid = ni.cur;
143 trade.trd_price = price;
145 trade.trd_markettime = now;
146 trade.trd_maxbidder = player->cnum;
147 puttrade(id, &trade);
148 pr("%s #%d (lot #%d) price %s to $%d\n",
149 trade_nameof(&trade, &item), ni.cur,
150 id, foundslot >= 0 ? "reset" : "set", price);