// This routine adds an item to the list.
void add_list(int plr, OWN ** head, int op_sqr)
{
int val;
OWN *tp, *last_tp;
OWN *op;
op = (OWN *) calloc(1, sizeof(OWN));
if (op == NULL)
errx(1, "out of memory");
op->sqr = &board[op_sqr];
val = value(op->sqr);
last_tp = NULL;
for (tp = *head; tp && value(tp->sqr) < val; tp = tp->next)
if (val == value(tp->sqr)) {
free(op);
return;
} else
last_tp = tp;
op->next = tp;
if (last_tp != NULL)
last_tp->next = op;
else
*head = op;
if (!trading)
set_ownlist(plr);
}
/*
* This routine does a switch from one player to another
*/
static void
move_em(TRADE *from, TRADE *to)
{
PLAY *pl_fr, *pl_to;
OWN *op;
pl_fr = &play[from->trader];
pl_to = &play[to->trader];
pl_fr->money -= from->cash;
pl_to->money += from->cash;
pl_fr->num_gojf -= from->gojf;
pl_to->num_gojf += from->gojf;
for (op = from->prop_list; op; op = op->next) {
add_list(to->trader, &(pl_to->own_list), sqnum(op->sqr));
op->sqr->owner = to->trader;
del_list(from->trader, &(pl_fr->own_list), sqnum(op->sqr));
}
set_ownlist(to->trader);
}
