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fix #K4054 - spellbook weight bug

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Report was that converting a novel into a blank spellbook via water
damage resulted in a spellbook of blank paper that increased weight
when put into a bag of holding.

Spellbooks weigh 50 units but novels were defined with a weight of 0;
when one was created, a non-zero weight of 1 got assigned.  Blanking
it didn't update the weight; that stayed at 1.  Putting it into a
container reset the weight to match the new type: spellbook of blank
paper, so its weight increased.

Do that when blanking rather than wait until a container might fix it
up.  If it is already in a [possibly nested] container, update that
container's weight too along with any outer ones.

This also changes the base weight of novel from 0 to 10, so it still
gets magically heavier when turned into a spellbook of blank paper.
(The alternative seems to be to destroy it instead.)

The Book of the Dead weighed only 20 units which seemed odd to be so
much less than a spellbook.  This changes that to 50 to match those.
This commit is contained in:
PatR
2023-12-03 18:03:16 -08:00
parent 3230babae0
commit ed6b78e227
3 changed files with 26 additions and 16 deletions
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36
src/trap.c
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@@ -4475,26 +4475,23 @@ water_damage(
update_inventory();
return ER_DAMAGED;
} else if (obj->oclass == SPBOOK_CLASS) {
if (obj->otyp == SPE_BOOK_OF_THE_DEAD) {
/*
* FIXME?
* This might be given when hero can't see or feel it.
* The book can't be inside a container but it could get
* dunked away from hero if laying on ice which melts.
*/
pline("Steam rises from %s.", the(xname(obj)));
int otyp = obj->otyp;
if (otyp == SPE_BOOK_OF_THE_DEAD) {
coordxy ox = 0, oy = 0;
/* note: The Book of the Dead can't be contained or buried */
if (get_obj_location(obj, &ox, &oy, CONTAINED_TOO | BURIED_TOO))
obj->ox = ox, obj->oy = oy;
if (isok(ox, oy) && cansee(ox, oy))
pline("Steam rises from %s.", the(xname(obj)));
return 0;
} else if (obj->otyp == SPE_BLANK_PAPER) {
} else if (otyp == SPE_BLANK_PAPER) {
return 0;
}
if (in_invent)
Your("%s %s.", ostr, vtense(ostr, "fade"));
if (obj->otyp == SPE_NOVEL) {
obj->novelidx = 0;
free_oname(obj);
}
obj->otyp = SPE_BLANK_PAPER;
/* same re-init as over-reading or polymorph; matters if it gets
polymorphed into non-blank; doesn't matter if eventually written
@@ -4502,6 +4499,17 @@ water_damage(
if (obj->spestudied)
obj->spestudied = rn2(obj->spestudied);
obj->dknown = 0;
/* blanking a novel is more involved than blanking a spellbook */
if (otyp == SPE_NOVEL) { /* old type */
obj->novelidx = 0; /* overloads corpsenm, not used for splbooks */
free_oname(obj);
/* novels weigh less than spellbooks; apparently blanking them
magically makes them become heavier */
do {
obj->owt = weight(obj);
obj = (obj->where == OBJ_CONTAINED) ? obj->ocontainer : 0;
} while (obj);
}
if (in_invent)
update_inventory();
return ER_DAMAGED;