Forum - DDraceNetwork

I have been working on a map. A few minutes ago, I wanted to save my map when suddenly the DDNet client crashed. Not crashing crashing, but closing within a second right after I clicked on the save button. I was shocked and immediately went to ...\AppData\Roaming\Teeworlds\maps. The map name was still there, but the content of it: 0 kB.

I worked days on that map and now it's gone. Luckily my local DDNet server was online, so after seeing that the content of my map was gone, I went opened teeworlds and went to the server. Such a relieve that the map with the content was still online, so I took screenshots of every part of the map. Now I have to remake the whole map with the screenshots I got. That's going to take long...

Why writing this little story? Because I don't want this to happen again. So to the developer and maintainer of the DDNet client: could you find any kind of bug in the program that can cause this event?

By the way, this happened with the 4.3.1 version.

p.s. From now on I am going to use multiple saves. E.g. [name]V1, [name]V2, [name]V3, ....

you should give details on what you did in the last sitting

if you added images or something you think coused it

The exact same problem happend to me once. But that was like two months ago, so whatever causes this bug was there in previous versions as well. Unfortuantely I don't remember exactly what I was doing before saving the map :(

Between the last succesful save and the 'crash save', I did not:
- add or remove images.
- add or remove groups.
- add or remove any new layer/ tile/ quad/ ....
- close the DDNet client to do something else. (close = alt + tab).

Between the last succesful save and the 'crash save', I did:

- place and remove tiles/ blocks with the current layers/ tiles I had.
- play on the server to test parts while with the editor open. After testing, I continued with mapping, saved and tested it again until I wanted to save again and the 'crash save' happened.
- use a dummy on the server (to test the parts).

FakeDeath: look in the directory AppData\Roaming\Teeworlds\downloadedmaps
It should be there.
Edit: I just went through the saving code and the only thing I can imagine is your computer running out of memory, which would crash the client during a save. I didn't find anything else unfortunately. If you can find a way to reproduce this bug, I can fix it easily.
Edit2: Another idea: Do you have autosave on?

This once happened to me too, but in a bit different way. I pressed save button (like 1 year ago) and the game crashed. I thought, dude, why crash now..dickhead. Then I wanted to reopen the map and the game freezed...every time. I don't know if the "buggy" .map file had 0 KBs though...

Luckily you seem to have tested your map already, so the losses shouldn't be to enormous, if there are even any. As I am more the theoretically mapper I map likely the whole map first before I set any entities or test any part. So NO downloaded backup file. You guessed it, make backups from time to time and you are fine

Pfew... I found the map in AppData\Roaming\Teeworlds\downloadedmaps. Thanks, deen.

Tnx for all the help guys...

FakeDeath: Can you comment if it was one of these causes:

Edit: I just went through the saving code and the only thing I can imagine is your computer running out of memory, which would crash the client during a save. I didn't find anything else unfortunately. If you can find a way to reproduce this bug, I can fix it easily.
Edit2: Another idea: Do you have autosave on?

I tried, but couldn't reproduce the bug.

Out of memory:
All the opened programs at that time: Kaspersky (firewall + virusscan, standard background, was not running a check or any thing), steam, skype, windows media player and teeworlds itself. All opened programs right now: the same + google chrome browser. I've the statics of right now, which are: CPU=5% max and RAM=70% max. (max means when there is a spike) This means, because at that time google chrome wasn't active, that it should be less CPU and RAM in use at that time than right now.

Autosave:
I couldn't find this setting any where in the DDNet client, but I don't see any autosave-maps in the map-map, so I don't think it's on.

Size of map:
The size of the map is 2000x2000 to make sure I've enough space. At the end, I'll smaller this, of course. So when I had to save, it took around 5 seconds. At the beginning of that saving progress, the DDNet client crashed.