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(svn r26104) -Fix: do not attempt to do stuff with an invalid direction, especially using it as index into a table

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rubidium 2013-11-25 13:13:35 +00:00
parent f817b06c18
commit c143ca729a
1 changed files with 1 additions and 1 deletions
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src/town_cmd.cpp
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@ -1317,7 +1317,7 @@ static int GrowTownAtRoad(Town *t, TileIndex tile)
/* Exclude the source position from the bitmask
* and return if no more road blocks available */
cur_rb &= ~DiagDirToRoadBits(ReverseDiagDir(target_dir));
if (IsValidDiagDirection(target_dir)) cur_rb &= ~DiagDirToRoadBits(ReverseDiagDir(target_dir));
if (cur_rb == ROAD_NONE) {
return _grow_town_result;
}