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interests / rec.games.roguelike.nethack / Re: [slashem] Donwgrading objects (and a bug?)

SubjectAuthor
* [slashem] Donwgrading objects (and a bug?)Janis Papanagnou
`* [slashem] Donwgrading objects (and a bug?)Pat Rankin
 `- [slashem] Donwgrading objects (and a bug?)Janis Papanagnou

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[slashem] Donwgrading objects (and a bug?)

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From: janis_papanagnou@hotmail.com (Janis Papanagnou)
Newsgroups: rec.games.roguelike.nethack
Subject: [slashem] Donwgrading objects (and a bug?)
Date: Tue, 31 May 2022 17:54:45 +0200
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 by: Janis Papanagnou - Tue, 31 May 2022 15:54 UTC

In Slashem it is possible to upgrade some objects to a better version
(e.g. tin whistle -> magic whistle) using a potion of gain level.

Just now I observed that it's also possible to downgrade objects by
dipping it into a potion of amnesia or into the Castle's moat "lethe
water". Some observations...

Randomly found gauntlets of defense (-1) won't lose the enchantment
(valid for all artifacts, it seems from inspecting the source code).
A ring with positive enchantment will lose it, but not one with a
negative enchantment. (Strange.)
You can uncurse most cursed items by dipping into amnesia water.
Some items change (similar to upgrading); dipping a cursed health
stone will not only uncurse it but also morph to a flint stone.
That seems to open another way to get rid of loadstones; they not
only uncurse (as the source code shows) but also morph to flint.

And here I suspect a bug in the code of function downgrade()...

downgrade_obj(obj, nomagic, used)
...
obj->owt = weight(obj);

where this function is called in context of e.g.

if (amnesia && (obj->otyp == LUCKSTONE ||
obj->otyp == LOADSTONE || obj->otyp == HEALTHSTONE ||
obj->otyp == TOUCHSTONE))
downgrade_obj(obj, FLINT, &used);

The "new" weight seems to be taken from the original object instead
of the new "nomagic" item. (Or am I missing something?)

Janis

Re: [slashem] Donwgrading objects (and a bug?)

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Subject: Re: [slashem] Donwgrading objects (and a bug?)
From: r.pat.rankin@gmail.com (Pat Rankin)
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 by: Pat Rankin - Tue, 31 May 2022 18:00 UTC

On Tuesday, May 31, 2022 at 8:54:48 AM UTC-7, Janis wrote:
> The "new" weight seems to be taken from the original object instead
> of the new "nomagic" item. (Or am I missing something?)

There's only one object, and the weight is calculated after setting
that object's otyp field to the new type.

Re: [slashem] Donwgrading objects (and a bug?)

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From: janis_papanagnou@hotmail.com (Janis Papanagnou)
Newsgroups: rec.games.roguelike.nethack
Subject: Re: [slashem] Donwgrading objects (and a bug?)
Date: Tue, 31 May 2022 20:05:42 +0200
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 by: Janis Papanagnou - Tue, 31 May 2022 18:05 UTC

On 31.05.2022 20:00, Pat Rankin wrote:
> On Tuesday, May 31, 2022 at 8:54:48 AM UTC-7, Janis wrote:
>> The "new" weight seems to be taken from the original object instead
>> of the new "nomagic" item. (Or am I missing something?)
>
> There's only one object, and the weight is calculated after setting
> that object's otyp field to the new type.

Ah, yes, you're right. (Need more coffee.) Thanks.

Janis

interests / rec.games.roguelike.nethack / Re: [slashem] Donwgrading objects (and a bug?)

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