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[HandofCreation0]

I wish I had taken a screenshot of what happened when it happened, but what happened to a recent adventurer was beyond my comprehension and understanding. I'm just walking around a forest, near a lake, when suddenly, my game just starts lagging hardcore, I take about 2 steps and suddenly I start seeing little bits of land here and there begin disappearing with huge plumes of mist coming out of them. Then I take another few steps trying to get away from the lag. the land below me just disappears and I fall... IDK how many z-levels but it was into a pool of water, I was knocked unconscious from the pain of breaking my legs (and every other bone in my body) upon impact, and then I drowned.

Did the land below me just collapse into a massive lake? And has anyone else ever had this happen?

[Eric Blank]

This has happened before, yes, but I haven't heard about it in a long time, presumably because whatever bug caused it was fixed. It used to be that sometimes worldgen would hiccup and generate a world where the surface was made of SMR or looked more like risen bread than planetary crust. The latter would result in cave-ins occurring whenever the player tried to do anything, because there were huge sections that simply weren't supported.

Are you running the most recent version? And if so, had you been walking around this lake in fast travel and got interrupted by something/dropped out or had you been walking around zoomed-in the entire time?

My most reasonable guess is that there was another goof in the worldgen code that didn't get caught in the bug fix and still results in the occasional swiss-cheese section of land.

[HandofCreation0]

This has happened before, yes, but I haven't heard about it in a long time, presumably because whatever bug caused it was fixed. It used to be that sometimes worldgen would hiccup and generate a world where the surface was made of SMR or looked more like risen bread than planetary crust. The latter would result in cave-ins occurring whenever the player tried to do anything, because there were huge sections that simply weren't supported.

Are you running the most recent version? And if so, had you been walking around this lake in fast travel and got interrupted by something/dropped out or had you been walking around zoomed-in the entire time?

My most reasonable guess is that there was another goof in the worldgen code that didn't get caught in the bug fix and still results in the occasional swiss-cheese section of land.

It's the most recent version (only about a 2 week DF player) and I was zoomed in and walking about.

[Solon64]

You broke reality.  Really.  Just walking along, ho-hum, suddenly, the very ground you walk on begins to dissolve.  The darkness of the Void shows through as more of the land disappears, portals to dimensions unknowable are visible for the briefest of flashes and then gone, yet the things you saw in them in those flashes will haunt your dreams for the rest of your remaining existence.

Which, fortunately for your sanity, is only a small number of z-levels and a few brief moments of pain followed by drowning.

You lucky dog you.  Wouldn't want to spend years seeing terrifying visions of Lovecraftian horrors every time I close my eyes.  Dorf could go insane, 'e could.

Yessss.... insane, indeeedddd.....

[Eric Blank]

It's the most recent version (only about a 2 week DF player) and I was zoomed in and walking about.

Interesting. Not like there's an easy way to say what caused it, but I figure that it happens usually only after you're deep in a "cheesy zone" through fast travelling and drop out of travel mode, when the game loads the actual terrain and then concludes that there is nothing to support whatever you were standing on. But if it happened all around you at once, and you'd already walked into the area zoomed-in before noticing anything going wrong, then IDK what the hell triggered it. Segments of constructions or land that are in a position to collapse should do so immediately, rather than being delayed.

Are you able to locate the lake you were walking by again, maybe get a screenshot of the aftermath?

[HandofCreation0]

It's the most recent version (only about a 2 week DF player) and I was zoomed in and walking about.

Interesting. Not like there's an easy way to say what caused it, but I figure that it happens usually only after you're deep in a "cheesy zone" through fast travelling and drop out of travel mode, when the game loads the actual terrain and then concludes that there is nothing to support whatever you were standing on. But if it happened all around you at once, and you'd already walked into the area zoomed-in before noticing anything going wrong, then IDK what the hell triggered it. Segments of constructions or land that are in a position to collapse should do so immediately, rather than being delayed.

Are you able to locate the lake you were walking by again, maybe get a screenshot of the aftermath?

I found the lake area once more, however at the time I got back there its now covered in a massive layer of fog, decreasing my vision in broad daylight to just 1 block in any direction. And I'm having a hard time finding the exact location (it could be because the location is now a mile underground)

There are sheer dropoffs all around the lake, going from about the highest point to the surface of the lake was about 17 z-levels downwards. There are many deep pits and divots surrounding the lake, and many of the rivers tailing off from the lake are also surrounded by massive cliffs and are well over 20 blocks wide.

[Eric Blank]

Geez. Worth it to wait for the weather to clear up, methinks. Kill some otters or something in the meantime

[omg_scout]

If you happen to have a copy of the save before the incident, report it to mantis bug report tool so Toady can see into it.

http://www.bay12games.com/dwarves/mantisbt/my_view_page.php

[Bumber]

Perhaps it's somehow related to the weird shit that happens in the middle of oceans?

[Eric Blank]

That's an excellent point!

HandofCreation, was the lake frozen? The way water freezes and thaws very suddenly in DF can result in some funky stuff.


Last time I heard a report similar to this, the player was actually walking over a large flat of ice, and somehow there was magma under the ice. Best conclusion I could figure was the magma thawed a section of the ice, and then some of this newly-made water froze again while technically in mid-air, causing a cave-in and re-thaw, whilst launching liquid lava and water up into the air where water froze again or obsidianized lava, resulting in more cave-ins that launched more material skyward, ending up looking like a miniature explosive eruption, which took out all but one of the guy's companions (who was also badly injured) and left a huge pit full of lava and obsidian in the land they had just walked over.

[Rumrusher]

better solution is that the z levels makes Ice a solid wall but because it's a wall it's makes anything under it be marked as 'inside' thus water stays just that water. now if you move to far out from sea the area will be surrounded by inside water under the ice which then will cause sections of area to Cave in due to water isn't a wall or solid support, breaking the ice(by sections) and splashing the water everywhere which then will freeze on the next tick leaving a pillar going straight down(and up) acting as support for the rest of the area.

[Freshmaniscoolman]

I wish I had taken a screenshot of what happened when it happened, but what happened to a recent adventurer was beyond my comprehension and understanding. I'm just walking around a forest, near a lake, when suddenly, my game just starts lagging hardcore, I take about 2 steps and suddenly I start seeing little bits of land here and there begin disappearing with huge plumes of mist coming out of them. Then I take another few steps trying to get away from the lag. the land below me just disappears and I fall... IDK how many z-levels but it was into a pool of water, I was knocked unconscious from the pain of breaking my legs (and every other bone in my body) upon impact, and then I drowned.

Did the land below me just collapse into a massive lake? And has anyone else ever had this happen?

Sadly, I don't think anyone will believe you without screenshots.

[Big_James_B]

I wish I had taken a screenshot of what happened when it happened, but what happened to a recent adventurer was beyond my comprehension and understanding. I'm just walking around a forest, near a lake, when suddenly, my game just starts lagging hardcore, I take about 2 steps and suddenly I start seeing little bits of land here and there begin disappearing with huge plumes of mist coming out of them. Then I take another few steps trying to get away from the lag. the land below me just disappears and I fall... IDK how many z-levels but it was into a pool of water, I was knocked unconscious from the pain of breaking my legs (and every other bone in my body) upon impact, and then I drowned.

Did the land below me just collapse into a massive lake? And has anyone else ever had this happen?

Sadly, I don't think anyone will believe you without screenshots.

Just for that, I shall now believe everything Hand now says. Ever.
 

[HandofCreation0]

That's an excellent point!

HandofCreation, was the lake frozen? The way water freezes and thaws very suddenly in DF can result in some funky stuff.


Last time I heard a report similar to this, the player was actually walking over a large flat of ice, and somehow there was magma under the ice. Best conclusion I could figure was the magma thawed a section of the ice, and then some of this newly-made water froze again while technically in mid-air, causing a cave-in and re-thaw, whilst launching liquid lava and water up into the air where water froze again or obsidianized lava, resulting in more cave-ins that launched more material skyward, ending up looking like a miniature explosive eruption, which took out all but one of the guy's companions (who was also badly injured) and left a huge pit full of lava and obsidian in the land they had just walked over.

I do remember it being wintertime, but I never actually got to see if the water itself was frozen before I went sploosh.

[ff2]

Maybe you're just really fat.