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[Vadim Peretokin <vperetokin@xxxxxxxxx>]

** Changed in: mudlet
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1263553

Title:
  (double?)-clicking on room when start room has no exits causes seg.
  faults in A* routine

Status in Mudlet:
  Fix Released

Bug description:
  I was getting fed up during debugging area and map code that I kept
  getting segmentation faults in the A* route finder if I clicked on
  rooms during usage of the 2D Map GUI.  It turns out that this is
  caused if there are no (usable) exits from the start room for route
  finding - the attached commit/patch checks for at least one unlocked
  route from the start room and bails out before the route finder is
  started - returning a false result to indicate the failure to find a
  route.

  Of course in practical usages rooms with no exits aren't much use in
  MUDs (death traps may not have a way out but unless you are an
  immortal that is the least of the problems for those type of rooms 8-(
  ), more likely is a room for which you have the ability to teleport to
  an unfixed and thus un-mappable destination.  Alternatively the
  triggering situation may occur during off-line map creation / editing.

  The patch - being from my current development source tree - may not
  match up on line number to the current Git version but as a single
  monolithic code block it should still apply with a bit of fuzziness to
  TMap.cpp .

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