2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2005, 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:
51 * format: set <type> <SHIP/NUKE> <PRICE>
56 static int ef_saleable[] = { EF_SHIP, EF_PLANE, EF_LAND, EF_NUKE, EF_BAD };
63 struct nstr_item ni_trade;
65 union trdgenstr check;
74 pr("The market is disabled.\n");
80 if ((p = getstarg(player->argp[1], "Ship, plane, land unit or nuke? ", buf)) == 0)
82 if ((type = ef_byname_from(p, ef_saleable)) < 0) {
83 pr("You can sell only ships, planes, land units or nukes\n");
86 if (!snxtitem(&ni, type, player->argp[2]))
88 while (nxtitem(&ni, &item)) {
89 if (!player->owner && !player->god)
91 getsect(item.gen.trg_x, item.gen.trg_y, §);
92 if (!military_control(§)) {
93 pr("Military control required to sell goods.\n");
96 trade.trd_type = type;
97 sprintf(prompt, "%s #%d; Price? ",
98 trade_nameof(&trade, &item), ni.cur);
99 memcpy(&check, &item, sizeof(union trdgenstr));
100 if ((p = getstarg(player->argp[3], prompt, buf)) == 0)
102 if (memcmp(&check, &item, sizeof(union trdgenstr))) {
103 pr("That item has changed!\n");
106 if ((price = atoi(p)) < 0)
110 snxtitem_all(&ni_trade, EF_TRADE);
111 while (nxtitem(&ni_trade, &trade)) {
112 if (trade.trd_owner == 0)
113 freeslot = ni_trade.cur;
114 if (trade.trd_unitid == ni.cur && trade.trd_type == type) {
115 foundslot = ni_trade.cur;
120 if (foundslot >= 0) {
121 pr("%s #%d (lot #%d) removed from trading\n",
122 trade_nameof(&trade, &item), ni.cur, foundslot);
123 memset(&trade, 0, sizeof(trade));
124 puttrade(ni_trade.cur, &trade);
129 else if (freeslot >= 0)
132 ef_extend(EF_TRADE, 1);
135 trade.trd_x = item.gen.trg_x;
136 trade.trd_y = item.gen.trg_y;
137 trade.trd_type = type;
138 trade.trd_owner = player->cnum;
140 trade.trd_unitid = ni.cur;
141 trade.trd_price = price;
143 trade.trd_markettime = now;
144 trade.trd_maxbidder = player->cnum;
145 puttrade(id, &trade);
146 pr("%s #%d (lot #%d) price %s to $%d\n",
147 trade_nameof(&trade, &item), ni.cur,
148 id, foundslot >= 0 ? "reset" : "set", price);