2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2000, 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, §);
100 * military control necessary to sell
101 * goodies in occupied territory.
103 if (sect.sct_oldown != player->cnum && !player->god) {
107 snxtitem_xy(&ni, EF_LAND, sect.sct_x, sect.sct_y);
108 while (nxtitem(&ni, (s_char *)&land)) {
109 if (land.lnd_own == player->cnum)
110 tot_mil += total_mil(&land);
112 if (tot_mil + (getvar(V_MILIT, (char *)§, EF_SECTOR)) * 10
113 < getvar(V_CIVIL, (char *)§, EF_SECTOR)) {
114 pr("Military control required to sell goods.\n");
118 trade.trd_type = type;
119 sprintf(prompt, "%s #%d; Price? ",
120 trade_nameof(&trade, &item), ni.cur);
121 memcpy(&check, &item, sizeof(union trdgenstr));
122 if ((p = getstarg(player->argp[3], prompt, buf)) == 0)
124 if (memcmp(&check, &item, sizeof(union trdgenstr))) {
125 pr("That item has changed!\n");
128 if ((price = atoi(p)) < 0)
130 if (!ef_lock(EF_TRADE)) {
131 logerror("can't lock trade file");
136 snxtitem_all(&ni_trade, EF_TRADE);
137 while (nxtitem(&ni_trade, (char *)&trade)) {
138 if (trade.trd_unitid < 0)
139 freeslot = ni_trade.cur;
140 if (trade.trd_unitid == ni.cur && trade.trd_type == type) {
141 foundslot = ni_trade.cur;
145 if (price == 0 && foundslot >= 0) {
146 pr("%s #%d (lot #%d) removed from trading\n",
147 trade_nameof(&trade, &item), ni.cur, foundslot);
150 trade.trd_unitid = -1;
153 trade.trd_markettime = now;
154 trade.trd_maxbidder = player->cnum;
155 trade.trd_maxprice = 0;
156 puttrade(ni_trade.cur, &trade);
157 } else if (price > 0) {
158 trade.trd_x = item.gen.trg_x;
159 trade.trd_y = item.gen.trg_x;
160 trade.trd_type = type;
161 trade.trd_owner = player->cnum;
162 trade.trd_unitid = ni.cur;
163 trade.trd_price = price;
165 trade.trd_markettime = now;
166 trade.trd_maxbidder = player->cnum;
167 trade.trd_maxprice = price;
170 else if (freeslot >= 0)
173 ef_extend(EF_TRADE, 1);
176 puttrade(id, &trade);
177 pr("%s #%d (lot #%d) price %s to $%d\n",
178 trade_nameof(&trade, &item), ni.cur,
179 id, foundslot >= 0 ? "reset" : "set", price);