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(svn r21229) -Fix [FS#4130]: [YAPF] Road vehicles not finding the nearest depot in some (corner) cases

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rubidium 2010-11-17 23:07:53 +00:00
parent 4958bf44d9
commit 3aafe20b58
1 changed files with 12 additions and 0 deletions
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12
src/pathfinder/follow_track.hpp
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@ -131,6 +131,18 @@ struct CFollowTrackT
if (!CanEnterNewTile()) return false; if (!CanEnterNewTile()) return false;
m_new_td_bits &= DiagdirReachesTrackdirs(m_exitdir); m_new_td_bits &= DiagdirReachesTrackdirs(m_exitdir);
if (m_new_td_bits == TRACKDIR_BIT_NONE) { if (m_new_td_bits == TRACKDIR_BIT_NONE) {
/* In case we can't enter the next tile, but are
* a normal road vehicle, then we can actually
* try to reverse as this is the end of the road.
* Trams can only turn on the appropriate bits in
* which case reaching this would mean a dead end
* near a building and in that case there would
* a "false" QueryNewTileTrackStatus result and
* as such reversing is already tried. The fact
* that function failed can have to do with a
* missing road bit, or inability to connect the
* different bits due to slopes. */
if (IsRoadTT() && !IsTram() && TryReverse()) return true;
m_err = EC_NO_WAY; m_err = EC_NO_WAY;
return false; return false;
} }