[odamex-bug-reporter] [Bug 1049] Doom2's Map06 intermission crash

  • From: odamex-bugtracker@xxxxxxxxxx
  • To: odamex-bug-reporter@xxxxxxxxxxxxx
  • Date: Fri, 21 Mar 2014 20:03:38 +0000

http://odamex.net/bugs/show_bug.cgi?id=1049

--- Comment #7 from Dr. Sean <grandpachuck187@xxxxxxxxx> ---
After running valgrind to check for memory corruption, it appears that the data
structures that store the height of moving sectors (doors, plats, etc) each
frame for the rendering interpolation were not being reset properly. This means
that when a map changes, these data structures would not be updated and instead
of pointing to sectors for the current map, they would be pointing to random
memory, causing havoc when that memory is written to.

r4463 and r4464 address this issue which I believe to be the same issue causing
your crashes.

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