/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
* mark.c: Display report for commodities
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Pat Loney, 1992
* Steve McClure, 1996
+ * Markus Armbruster, 2004-2013
*/
-#include "misc.h"
-#include "nat.h"
-#include "var.h"
-#include "item.h"
-#include "commodity.h"
-#include "player.h"
-#include "file.h"
+#include <config.h>
+
#include "commands.h"
+#include "commodity.h"
+#include "item.h"
#include "optlist.h"
int
-mark(void)
+c_market(void)
{
+ char buf[1024];
+ char *p;
+ struct ichrstr *ip;
+
if (!opt_MARKET) {
pr("The market is disabled.\n");
return RET_FAIL;
}
- if (player->argp[1] && *(player->argp[1]))
- return display_mark(player->argp[1]);
- else
- return display_mark(" ");
+
+ if (player->argp[1]) {
+ p = getstarg(player->argp[1], "What commodity (or 'all')? ", buf);
+ if (!p)
+ return RET_SYN;
+ if (!strcmp(p, "all"))
+ return display_mark(I_NONE, 0);
+ else {
+ ip = item_by_name(p);
+ if (!ip)
+ return RET_SYN;
+ return display_mark(ip->i_uid, 0);
+ }
+ }
+ return display_mark(I_NONE, 1);
}
static void
pr_mark(struct comstr *comm)
{
- time_t now;
- double tleft;
+ time_t now, tleft;
(void)time(&now);
- tleft = MARK_DELAY / 3600.0 - (now - comm->com_markettime) / 3600.0;
- if (tleft < 0.0)
- tleft = 0.0;
+ tleft = comm->com_markettime + MARK_DELAY - now;
+ if (tleft < 0)
+ tleft = 0;
pr(" %3d $%12.2f %2d %5.2f hrs (%3d) %c %6d ",
- comm->com_uid,
- comm->com_maxprice,
- comm->com_maxbidder,
- tleft, comm->com_owner, comm->com_type, comm->com_amount);
+ comm->com_uid, comm->com_price, comm->com_maxbidder, tleft / 3600.0,
+ comm->com_owner, ichr[comm->com_type].i_mnem, comm->com_amount);
if (comm->com_owner == player->cnum || player->god)
pr("%s", xyas(comm->sell_x, comm->sell_y, player->cnum));
pr("\n");
}
int
-display_mark(s_char *arg)
+display_mark(i_type only_itype, int only_cheapest)
{
struct comstr comm;
struct comstr comm2;
int sellers = 0;
int cnt = 0;
- char c;
- s_char *p;
- struct ichrstr *ip;
- s_char buf[1024];
- int cheapest_items[I_MAX + 2];
- int i;
- int all = 0;
+ int cheapest_items[I_MAX + 1];
+ i_type i;
-/* First, we execute all trades, so that we can only buy what is available. */
+ /* Execute trades so report lists only lots that are still available. */
check_market();
check_trade();
- p = getstarg(arg, "What commodity (or 'all')? ", buf);
- c = (char)0;
- if (p && *p)
- c = *p;
- for (ip = &ichr[0]; ip && ip->i_mnem; ip++)
- if (ip->i_mnem == c)
- break;
- c = ip->i_mnem;
-
pr("\n Empire Market Report\n ");
prdate();
pr(" lot high bid/unit by time left owner item amount sector\n");
pr(" --- ------------- -- --------- ----- ---- ------ ------\n");
- if (arg) {
- if (strcmp(arg, "all"))
- all = 1;
- }
- if (all && !c) {
- /* Ok, just printing the lowest of all of them */
- for (i = 0; i < I_MAX + 2; i++)
+ if (only_cheapest) {
+ for (i = I_NONE + 1; i <= I_MAX; i++)
cheapest_items[i] = -1;
for (sellers = 0; getcomm(sellers, &comm); sellers++) {
if (comm.com_owner == 0)
continue;
- for (i = 0, ip = &ichr[0]; ip && ip->i_mnem; ip++, i++)
- if (ip->i_mnem == comm.com_type)
- break;
- if (!ip->i_mnem)
+ if (CANT_HAPPEN(comm.com_type <= I_NONE || comm.com_type > I_MAX))
continue;
- if (cheapest_items[i] != -1) {
- getcomm(cheapest_items[i], &comm2);
- if (comm.com_maxprice < comm2.com_maxprice) {
- cheapest_items[i] = sellers;
+ if (cheapest_items[comm.com_type] != -1) {
+ getcomm(cheapest_items[comm.com_type], &comm2);
+ if (comm.com_price < comm2.com_price) {
+ cheapest_items[comm.com_type] = sellers;
}
} else {
- cheapest_items[i] = sellers;
+ cheapest_items[comm.com_type] = sellers;
}
}
- for (i = 0; i < I_MAX + 2; i++) {
+ CANT_HAPPEN(only_itype != I_NONE); /* not implemented */
+ for (i = I_NONE + 1; i <= I_MAX; i++) {
if (cheapest_items[i] == -1)
continue;
getcomm(cheapest_items[i], &comm);
pr_mark(&comm);
}
} else {
- /* Ok, print them all, or all of this type */
for (sellers = 0; getcomm(sellers, &comm); sellers++) {
if (comm.com_owner == 0)
continue;
- if (c && comm.com_type != c)
+ if (only_itype != I_NONE && comm.com_type != only_itype)
continue;
cnt = 1;
pr_mark(&comm);