item disappears

[donalde]

Hi. I have run into some strange behavior lately:

long empty corridor, Bert the Stone Troll is eating my hT mage's fire bolts:
Bert the Stone Troll flees in terror!
The Amulet of Wisdom disappears.
The Great Axe disappears.
Bert the Stone dies.

So why those items are squelshed? I begin to suspect something when mature black dragon died inside of lesser vault, right on top of !oSTR, and next think I looked message about potion of strenght disappearing.

Vanilla 3.3.2 on 64 bit windows 7.

[quarague]

acid, fire and similar breath destroy items on the floor, I'm not sure what message you get in game if you can't see the caster? If it hits you you get a message that something breathes at you but maybe if it only hits items on the floor you get the effect you observed?

[donalde]

acid, fire and similar breath destroy items on the floor, I'm not sure what message you get in game if you can't see the caster? If it hits you you get a message that something breathes at you but maybe if it only hits items on the floor you get the effect you observed?

Nope, not any breathers in line on sight in either case, on 1st case in vault the dragon was only breather on that vault, used reveal monsters on vault. And on Bert case, I casted again reveal monsters, and nothing but remains of Bert escort. Actually, I haven't continued playing from that point, so in case some developer wants a screen dump or save / prf file, I can provide that.

[Derakon]

I believe there's a maximum on the number of items you can have in a pile on a single floor tile; if that maximum is hit and there aren't any nearby tiles that the item can be dropped in (or they're full too) then the item is simply lost. I don't know what the maximum is though, or whether it cares about squelched items.

[donalde]

I believe there's a maximum on the number of items you can have in a pile on a single floor tile; if that maximum is hit and there aren't any nearby tiles that the item can be dropped in (or they're full too) then the item is simply lost. I don't know what the maximum is though, or whether it cares about squelched items.

It was empty corridor in Bert case, and on vault case it was square vault (N:4:square X:6:5:12:20 from vault.txt), that dragon died on 2nd tunnel from top, on top of that ',' sign below center '&' in top tunnel.

[donalde]

again!

Ok, it happened again. Balance drake died on lighted corridor (corridor around pit -shaped room), over the trap sign: potion of berserk strenght disappears. potion of constitution disappears. What is going on? There are no breathers around, only some ants who don't have line of sight to potions.

[Magnate]

Ok, it happened again. Balance drake died on lighted corridor (corridor around pit -shaped room), over the trap sign: potion of berserk strenght disappears. potion of constitution disappears. What is going on? There are no breathers around, only some ants who don't have line of sight to potions.

Can you describe exactly what's happening? You see the items drop, then you take your next turn and they disappear? With messages or without?

[fizzix]

Items can't fall on trap squares. If there are no available non-trapped squares in the vicinity of the monster then you can lose dropped items. I'm guessing this is what's happening since you are fighting in a vault.

The only other option is that there's a monster with destroy item that you can't see, like an air elemental. I'm guessing you have SI though if you're taking on vaults.

[donalde]

Here is screencapture of situation: I am staying outside of that pit shaped room, bottom left corner. I cast Acid Bold, Balance drake flees in terror. I cast another Acid Bolt, I get 3 messages: The Potion of berserk Strength disappears. -more- The Potion of Constitution disappears. -more- The Balance drake dies. On that point I casted Reveal monsters, didn't see any breathers. I stopped playing and then when I did see these replies, I decided to take some kind of screen capture. Due attachment size limitations, image is kinda blurry. So, I have not moved on my spot since I started to fight balance drake, got SI and FA covered. (also RChaos, so no hallucination. )

[Derakon]

You can hit 'K' to toggle visibility of squelched items. It seems very unlikely, but if you've been doing a lot of fighting in that area it's possible that there's a lot of squelched items there taking all the available space for items on the nearby tiles.

[Patashu]

You can hit 'K' to toggle visibility of squelched items. It seems very unlikely, but if you've been doing a lot of fighting in that area it's possible that there's a lot of squelched items there taking all the available space for items on the nearby tiles.

Wouldn't squelched items be destroyed over non-squelched ones?

[donalde]

You can hit 'K' to toggle visibility of squelched items. It seems very unlikely, but if you've been doing a lot of fighting in that area it's possible that there's a lot of squelched items there taking all the available space for items on the nearby tiles.

Tried hitting 'K', Ring of Mouse appeared next to trap. Ring of Mouse is something I have placed on my squelch item list. So that works as supposed.

[Derakon]

Wouldn't squelched items be destroyed over non-squelched ones?

That would be ideal, but it's an edge case to begin with so I don't know if it's been handled properly. I know that when there's too many items on the level, item compaction will first get rid of squelched items, but that's a separate system.

[donalde]

Still no news on this issue? I am afraid to play more, in case I loose big ego items or artifacts..

[Derakon]

I took a quick look at the source code, and the only place I can find where the message "The item(s) disappear(s)" is in object/obj-util.c, when an item is dropped and all nearby spaces are illegal for the item to be placed. From my reading, it should be impossible for an artifact to be lost this way; it is unmarked as created and thus can be generated again. Though I admit my reading is fairly cursory.

Have you disabled floor stacks? It's a birth option, and with it off each tile can only hold one item. That makes it much easier to run out of valid tiles for items to drop to.

This is the kind of bug that I'd expect to be getting reported frequently if it were at all widespread, so there must be something odd going on specific to your game.