/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * 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.
*
* ---
*
* set.c: Place units/ships/planes/nukes up for sale.
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Pat Loney, 1992
* Steve McClure, 1996
*/
-#include "misc.h"
-#include "var.h"
-#include "sect.h"
-#include "ship.h"
+#include <config.h>
+
+#include "commands.h"
+#include "empobj.h"
#include "land.h"
-#include "nuke.h"
+#include "optlist.h"
#include "plane.h"
-#include "xy.h"
-#include "nsc.h"
-#include "nat.h"
+#include "ship.h"
#include "trade.h"
-#include "file.h"
-#include "player.h"
-#include "commands.h"
-#include "optlist.h"
/*
* format: set <type> <SHIP/NUKE> <PRICE>
int
set(void)
{
- char *p;
- int type;
- int price;
- char prompt[80];
- struct trdstr trade;
- struct nstr_item ni;
- struct nstr_item ni_trade;
- union trdgenstr item;
- union trdgenstr check;
- struct sctstr sect;
- int freeslot;
- int foundslot;
- int id;
- time_t now;
- s_char buf[1024];
+ static int ef_saleable[] = { EF_SHIP, EF_PLANE, EF_LAND, EF_NUKE, EF_BAD };
+ char *p;
+ int type;
+ int price;
+ char prompt[80];
+ struct trdstr trade;
+ struct nstr_item ni;
+ struct nstr_item ni_trade;
+ union empobj_storage item;
+ struct sctstr sect;
+ int freeslot;
+ int foundslot;
+ int id;
+ time_t now;
+ char buf[1024];
- if (!opt_MARKET) {
- pr("The market is disabled.\n");
- return RET_FAIL;
- }
- check_market();
- check_trade();
+ if (!opt_MARKET) {
+ pr("The market is disabled.\n");
+ return RET_FAIL;
+ }
+ check_market();
+ check_trade();
- if ((p = getstarg(player->argp[1], "Item type? ", buf)) == 0)
- return RET_SYN;
- if ((type = ef_byname(p)) < 0) {
- pr("%s: not an item type\n", p);
- return RET_SYN;
+ p = getstarg(player->argp[1], "Ship, plane, land unit or nuke? ", buf);
+ if (!p)
+ return RET_SYN;
+ if ((type = ef_byname_from(p, ef_saleable)) < 0) {
+ pr("You can sell only ships, planes, land units or nukes\n");
+ return RET_SYN;
+ }
+ if (!snxtitem(&ni, type, player->argp[2], NULL))
+ return RET_SYN;
+ while (nxtitem(&ni, &item)) {
+ if (!player->owner && !player->god)
+ continue;
+ getsect(item.gen.x, item.gen.y, §);
+ if (!military_control(§)) {
+ pr("Military control required to sell goods.\n");
+ return RET_FAIL;
+ }
+ trade.trd_type = type;
+ sprintf(prompt, "%s #%d; Price? ",
+ trade_nameof(&trade, &item), ni.cur);
+ if (!(p = getstarg(player->argp[3], prompt, buf)))
+ return RET_FAIL;
+ if (!trade_check_item_ok(&item))
+ return RET_FAIL;
+ if ((price = atoi(p)) < 0)
+ continue;
+ foundslot = -1;
+ freeslot = -1;
+ snxtitem_all(&ni_trade, EF_TRADE);
+ while (nxtitem(&ni_trade, &trade)) {
+ if (trade.trd_owner == 0)
+ freeslot = ni_trade.cur;
+ if (trade.trd_unitid == ni.cur && trade.trd_type == type) {
+ foundslot = ni_trade.cur;
+ break;
+ }
}
- if (type == EF_SECTOR)
- type = EF_SHIP;
- if (type == EF_NEWS)
- type = EF_NUKE;
- if (type == EF_LOAN)
- type = EF_LAND;
- if (!snxtitem(&ni, type, player->argp[2]))
- return RET_SYN;
- while (nxtitem(&ni, (char *)&item)) {
- if (!player->owner && !player->god)
- continue;
- getsect(item.gen.trg_x, item.gen.trg_y, §);
- /*
- * military control necessary to sell
- * goodies in occupied territory.
- */
- if (sect.sct_oldown != player->cnum && !player->god) {
- int tot_mil=0;
- struct nstr_item ni;
- struct lndstr land;
- snxtitem_xy(&ni, EF_LAND, sect.sct_x, sect.sct_y);
- while (nxtitem(&ni, (s_char *)&land)){
- if (land.lnd_own == player->cnum)
- tot_mil += total_mil(&land);
- }
- if (tot_mil+(getvar(V_MILIT, (char *)§, EF_SECTOR)) * 10
- < getvar(V_CIVIL, (char *)§, EF_SECTOR)) {
- pr("Military control required to sell goods.\n");
- return RET_FAIL;
- }
- }
- trade.trd_type = type;
- sprintf(prompt, "%s #%d; Price? ",
- trade_nameof(&trade, &item), ni.cur);
- memcpy(&check, &item, sizeof(union trdgenstr));
- if ((p = getstarg(player->argp[3], prompt, buf))==0)
- break;
- if (memcmp(&check, &item, sizeof(union trdgenstr))) {
- pr("That item has changed!\n");
- return RET_FAIL;
- }
- if ((price = atoi(p)) < 0)
- continue;
- if (!ef_lock(EF_TRADE)) {
- logerror("can't lock trade file");
- return RET_SYS;
- }
- foundslot = -1;
- freeslot = -1;
- snxtitem_all(&ni_trade, EF_TRADE);
- while (nxtitem(&ni_trade, (char *)&trade)) {
- if (trade.trd_unitid < 0)
- freeslot = ni_trade.cur;
- if (trade.trd_unitid == ni.cur &&
- trade.trd_type == type) {
- foundslot = ni_trade.cur;
- break;
- }
- }
- if (price == 0 && foundslot >= 0) {
- pr("%s #%d (lot #%d) removed from trading\n",
- trade_nameof(&trade, &item),
- ni.cur, foundslot);
- trade.trd_type = 0;
- trade.trd_owner = 0;
- trade.trd_unitid = -1;
- trade.trd_price = 0;
- (void) time(&now);
- trade.trd_markettime = now;
- trade.trd_maxbidder = player->cnum;
- trade.trd_maxprice = 0;
- puttrade(ni_trade.cur, &trade);
- } else if (price > 0) {
- trade.trd_x = item.gen.trg_x;
- trade.trd_y = item.gen.trg_x;
- trade.trd_type = type;
- trade.trd_owner = player->cnum;
- trade.trd_unitid = ni.cur;
- trade.trd_price = price;
- (void) time(&now);
- trade.trd_markettime = now;
- trade.trd_maxbidder = player->cnum;
- trade.trd_maxprice = price;
- if (foundslot >= 0)
- id = foundslot;
- else if (freeslot >= 0)
- id = freeslot;
- else {
- ef_extend(EF_TRADE, 1);
- id = ni_trade.cur;
- }
- puttrade(id, &trade);
- pr("%s #%d (lot #%d) price %s to $%d\n",
- trade_nameof(&trade, &item), ni.cur,
- id, foundslot >= 0 ? "reset" : "set", price);
- }
- ef_unlock(EF_TRADE);
+ if (price <= 0) {
+ if (foundslot >= 0) {
+ pr("%s #%d (lot #%d) removed from trading\n",
+ trade_nameof(&trade, &item), ni.cur, foundslot);
+ trade.trd_owner = 0;
+ puttrade(ni_trade.cur, &trade);
+ }
+ } else {
+ if (foundslot >= 0)
+ id = foundslot;
+ else if (freeslot >= 0)
+ id = freeslot;
+ else
+ id = ni_trade.cur;
+ ef_blank(EF_TRADE, id, &trade);
+ trade.trd_x = item.gen.x;
+ trade.trd_y = item.gen.y;
+ trade.trd_type = type;
+ trade.trd_owner = player->cnum;
+ trade.trd_unitid = ni.cur;
+ trade.trd_price = price;
+ (void)time(&now);
+ trade.trd_markettime = now;
+ trade.trd_maxbidder = player->cnum;
+ puttrade(id, &trade);
+ pr("%s #%d (lot #%d) price %s to $%d\n",
+ trade_nameof(&trade, &item), ni.cur,
+ id, foundslot >= 0 ? "reset" : "set", price);
}
- return RET_OK;
+ }
+ return RET_OK;
}