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UFO: Alien Invasion
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icon_project.png UFO: Alien Invasion / Closed Bug report #449 Reproducable crash in alien round
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This issue has been closed with status "Closed" and resolution "Not determined".
Issue basics
  • Type of issue
    Bug report
  • Category
    Battlescape
  • Targetted for
    Not determined
  • Status
    Closed
  • Priority
    3. Normal
User pain
  • Type of bug
    Not triaged
  • Likelihood
    Not triaged
  • Effect
    Not triaged
Affected by this issue (1)
People involved
Times and dates
  • Posted at
  • Last updated
  • Estimated time
    Not estimated
Issue details
  • Resolution
    Not determined
  • Reproducability
    Not determined
  • Severity
    Not determined
  • Complexity
    Not determined
  • Platform
    Not determined
  • Architecture
    Not determined
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Description
[http://sourceforge.net/p/ufoai/bugs/449 Item 449] imported from sourceforge.net tracker on 2013-01-28 18:21:29

Attached savegame crashes reproducibly in the alien round.
1) load the save
2) accelerate time until the transport arrives at the ufo scene
3) start battlescape
4) press E to end round (does not matter if you move or do anything else apparently)
5) Game crashes during alien activity

--Caiburn
===== Comments Ported from Sourceforge =====

====== nobody (2006-11-19 16:02:40) ======

Savegame crashing in alien phase
====== nobody (2006-11-19 23:39:22) ======

Logged In: NO

Experiencing the same thing on the same map
====== cassiterite (2006-11-20 16:19:49) ======

Logged In: YES
user_id=1171370
Originator: NO

After a team effort at debugging this, we discovered that 3 of the carpets/rugs on this map (oriental06n) were not solid objects (you will find your cursor wont let you walk ontop of these). Unfortunately some civilians were meant to spawn on top of these carpets. They end up falling off the map (and out of the world) when they spawn! It doesnt crash immediately, only when the engine tries to calculate the next move for these civilians... basically falling of the map leads to an out-of-bounds array access during this calculation.

The work-around for RC6 is to delay going to that mission until it becomes daylight there (since the carpets on the day version of this map do not have this issue).

We are working now on fixing the carpets and also a code fix so that this can't happen by accident on other maps.
====== cassiterite (2006-11-21 13:29:26) ======

Logged In: YES
user_id=1171370
Originator: NO

Well the map is now updated with solid carpets which fixes this bug.

I am still looking into a more generic solution in-case this happens on other maps (either a way to test the maps automatically or an in-game fix to prevent the spawning of entities over such locations).

PS: Zenerka did all the testing using your saved-game to track down this bug, so you can basically thank him for progress on this bug.
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