int
trade_has_unsalable_cargo(struct empobj *tgp, int noisy)
{
int ret, i, type;
short *item;
struct nstr_item ni;
union empobj_storage cargo;
ret = 0;
if (tgp->ef_type == EF_SHIP || tgp->ef_type == EF_LAND) {
item = tgp->ef_type == EF_SHIP
? ((struct shpstr *)tgp)->shp_item
: ((struct lndstr *)tgp)->lnd_item;
for (i = I_NONE + 1; i <= I_MAX; i++) {
if (item[i] && !ichr[i].i_sell) {
if (noisy)
pr("%s carries %s, which you can't sell.\n",
unit_nameof(tgp), ichr[i].i_name);
ret = 1;
}
}
}
for (type = EF_PLANE; type <= EF_NUKE; type++) {
snxtitem_cargo(&ni, type, tgp->ef_type, tgp->uid);
while (nxtitem(&ni, &cargo))
ret |= trade_has_unsalable_cargo(&cargo.gen, noisy);
}
return ret;
}
/*
* format: set <type> <SHIP/NUKE> <PRICE>
*/
int
set(void)
{
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();
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.gen), ni.cur);
if (!(p = getstarg(player->argp[3], prompt, buf)))
return RET_FAIL;
if (!check_obj_ok(&item.gen))
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 (price <= 0) {
if (foundslot >= 0) {
pr("%s #%d (lot #%d) removed from trading\n",
trade_nameof(&trade, &item.gen), ni.cur, foundslot);
trade.trd_owner = 0;
puttrade(ni_trade.cur, &trade);
}
} else {
if (trade_has_unsalable_cargo(&item.gen, 1))
return RET_FAIL;
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 = 1;
trade.trd_y = 0;
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.gen), ni.cur,
id, foundslot >= 0 ? "reset" : "set", price);
}
}
return RET_OK;
}
