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 * buy.c: Buy commodities from other nations
30 * Known contributors to this file:
33 * Steve McClure, 1996-2000
45 #include "commodity.h"
55 * format: buy <COMMODITY>
79 pr("The market is disabled.\n");
82 natp = getnatp(player->cnum);
83 ip = whatitem(player->argp[1], "Commodity you want to buy: ");
86 display_mark(ip->i_vtype, 0);
88 p = getstarg(player->argp[2], "Which lot are you bidding on: ", buf);
96 if (!getcomm(o, &comm) || comm.com_owner == 0) {
97 pr("Invalid lot number.\n");
100 if (comm.com_type != ip->i_vtype) {
101 pr("That lot is not of the type you specified.\n");
104 if (comm.com_owner == player->cnum) {
105 pr("You can't bid on your own lot.\n");
108 if ((p = getstarg(player->argp[3], "How much per unit: ", buf)) == 0)
113 if (natp->nat_money < (bid * comm.com_amount * buytax)) {
114 pr("This purchase would cost %.2f, %.2f more than you have.\n",
115 bid * comm.com_amount * buytax,
116 bid * comm.com_amount * buytax - natp->nat_money);
119 /* check to see if all of the bids that this player has out plus this new bid
120 would make him go broke. Ken, I ought to skin you alive for making me code
123 for (q = 0; gettrade(q, &tmpt); q++) {
124 if (tmpt.trd_maxbidder == player->cnum &&
125 tmpt.trd_unitid >= 0 && tmpt.trd_owner != player->cnum) {
126 tally += tmpt.trd_price * tradetax;
129 for (q = 0; getcomm(q, &comt); q++) {
130 if (comt.com_maxbidder == player->cnum &&
131 comt.com_owner != 0 && comt.com_owner != player->cnum) {
132 tally += (comt.com_price * comt.com_amount) * buytax;
135 canspend = natp->nat_money - tally;
137 if ((bid * comm.com_amount * buytax) > canspend) {
138 pr("You have overextended yourself in the market\n");
139 pr("You can not bid on the current items at that price.\n");
142 if (!(p = getstarg(player->argp[4], "destination sector : ", buf)))
144 if (!sarg_xy(p, &x, &y))
146 if (!getsect(x, y, §)) {
147 pr("Could not access sector");
150 if ((sect.sct_type != SCT_WAREH && sect.sct_type != SCT_HARBR) ||
151 sect.sct_own != player->cnum) {
152 pr("The destination sector is not one of your warehouses.\n");
155 if (sect.sct_effic < 60) {
156 pr("That sector is under construction.\n");
159 n = sect.sct_item[ip->i_vtype];
160 qty = comm.com_amount;
161 if (qty + n > ITEM_MAX) {
162 pr("That sector cannot hold %d more %s. It currently holds %d.\n",
166 if ((bid * comm.com_amount) > natp->nat_money) {
167 pr("You don't have that much to spend!\n");
171 if (!ncomm.com_owner) {
172 pr("That lot has been taken off the market.\n");
175 if (bid > 0.04 + comm.com_price) {
176 comm.com_price = bid;
177 /* Add five minutes to the time if less than 5 minutes */
179 if (((MARK_DELAY - (now - comm.com_markettime)) < 300) &&
180 comm.com_maxbidder != player->cnum) {
181 comm.com_markettime += 300;
182 /* Special case - what if so much time has gone by? Well,
183 Just reset the markettime so that only 5 minutes are left */
184 if ((MARK_DELAY - (now - comm.com_markettime)) < 0)
185 comm.com_markettime = (now - (MARK_DELAY - 300));
187 comm.com_maxbidder = player->cnum;
191 pr("Your bid is being considered.\n");
193 pr("Your bid wasn't high enough (you need to bid at least $0.05 higher\n");
194 pr("than the last bid.\n");
219 /* logerror("Checking the market.\n");*/
220 for (n = 0; getcomm(n, &comm); n++) {
221 if (comm.com_maxbidder == comm.com_owner || comm.com_owner == 0)
224 tleft = MARK_DELAY / 3600.0 - (now - comm.com_markettime) / 3600.0;
229 if (CANT_HAPPEN(comm.com_type <= I_NONE || comm.com_type > I_MAX))
231 sect = getsectp(comm.com_x, comm.com_y);
232 m = sect->sct_item[comm.com_type];
236 price = comm.com_price * comm.com_amount * buytax;
237 gain = comm.com_price * comm.com_amount;
239 natp = getnatp(comm.com_maxbidder);
240 tmoney = natp->nat_money;
243 if (tmoney < price && tmoney > 0) {
244 monleft = price - (tmoney - 1);
246 price = price - monleft;
247 } else if (tmoney > 0) {
249 tmoney = tmoney - price;
252 /* Subtract the amount of money that needs to come out in a loan. */
256 nreport(comm.com_maxbidder, N_WELCH_DEAL, comm.com_owner, 1);
257 wu(0, comm.com_maxbidder,
258 "You didn't have enough cash/credit to cover the cost.\n");
259 wu(0, comm.com_owner,
260 "Sale #%d fell through. Goods remain on the market.\n", n);
261 comm.com_maxbidder = comm.com_owner;
262 } else if (sect->sct_type != SCT_WAREH
263 && sect->sct_type != SCT_HARBR) {
264 wu(0, comm.com_maxbidder,
265 "Sector not a warehouse now, sale #%d fell though.\n", n);
266 wu(0, comm.com_owner,
267 "Sale #%d fell through. Goods remain on the market.\n", n);
268 comm.com_maxbidder = comm.com_owner;
269 } else if (m + comm.com_amount > ITEM_MAX) {
270 wu(0, comm.com_maxbidder,
271 "Warehouse full, sale #%d fell though.\n", n);
272 wu(0, comm.com_owner,
273 "Sale #%d fell through. Goods remain on the market.\n", n);
274 comm.com_maxbidder = comm.com_owner;
276 sect->sct_item[comm.com_type] = m + comm.com_amount;
278 nreport(comm.com_owner, N_MAKE_SALE, comm.com_maxbidder, 1);
279 wu(0, comm.com_owner, "%s bought %d %s from you for $%.2f\n",
280 cname(comm.com_maxbidder), comm.com_amount,
281 ichr[comm.com_type].i_name, gain);
282 wu(0, comm.com_maxbidder,
283 "You just bought %d %s from %s for $%.2f\n",
284 comm.com_amount, ichr[comm.com_type].i_name,
285 cname(comm.com_owner), gain * buytax);
286 natp = getnatp(comm.com_owner);
287 /* Make sure we subtract the amount that came out in a loan */
288 natp->nat_money += (gain - subleft);
289 natp = getnatp(comm.com_maxbidder);
290 natp->nat_money = tmoney;
296 /* logerror("Done checking the market.\n");*/