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fix #H7865 - shop prices for container contents

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The recent attempt to have looking inside a container show shop
prices had multiple problems.  Worst one was showing shop prices as
if the hero would be buying for items already owned by the hero.
Item handling inside containers on shop floor was inconsistent:  if
shop was selling those items, they would include a price, but if not
selling--either already owned by hero or shopkeeper didn't care about
them--they were only marked "no charge" if hero owned the container.

This is definitely better but I won't be surprised if other obscure
issues crop up.  Gold inside containers on shop floor is always owned
by the shop (credit is issued if it was owned by the hero) but is not
described as such.
This commit is contained in:
PatR
2019-01-05 03:21:39 -08:00
parent ab5b400aec
commit ab1bee1778
4 changed files with 32 additions and 17 deletions
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src/shk.c
+13 -5
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@@ -1,4 +1,4 @@
/* NetHack 3.6 shk.c $NHDT-Date: 1545953813 2018/12/27 23:36:53 $ $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.150 $ */
/* NetHack 3.6 shk.c $NHDT-Date: 1546687294 2019/01/05 11:21:34 $ $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.151 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Robert Patrick Rankin, 2012. */
/* NetHack may be freely redistributed. See license for details. */
@@ -1976,19 +1976,27 @@ unsigned id;
/* Returns the price of an arbitrary item in the shop,
0 if the item doesn't belong to a shopkeeper or hero is not in the shop. */
long
get_cost_of_shop_item(obj)
get_cost_of_shop_item(obj, nochrg)
register struct obj *obj;
{
int *nochrg; /* alternate return value: 1: no charge, 0: shop owned, */
{ /* -1: not in a shop (so should't be formatted as "no charge") */
struct monst *shkp;
struct obj *top;
xchar x, y;
long cost = 0L;
*nochrg = -1; /* assume 'not applicable' */
if (*u.ushops && obj->oclass != COIN_CLASS
&& obj != uball && obj != uchain
&& get_obj_location(obj, &x, &y, CONTAINED_TOO)
&& *in_rooms(u.ux, u.uy, SHOPBASE) == *in_rooms(x, y, SHOPBASE)
&& *in_rooms(x, y, SHOPBASE) == *u.ushops
&& (shkp = shop_keeper(inside_shop(x, y))) != 0 && inhishop(shkp)) {
cost = obj->no_charge ? 0L : obj->quan * get_cost(obj, shkp);
for (top = obj; top->ocontainer; top = top->ocontainer)
continue;
*nochrg = (top->where == OBJ_FLOOR && obj->no_charge);
if (carried(top) ? (int) obj->unpaid : !*nochrg)
cost = obj->quan * get_cost(obj, shkp);
if (Has_contents(obj))
cost += contained_cost(obj, shkp, 0L, FALSE, FALSE);
}