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(svn r20156) -Fix [FS#3937]: [YAPP] Converting a one-way block to a path signal with trains on both sides could lead to a train crash.

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michi_cc 2010-07-15 19:15:21 +00:00
parent 3ea53ff2fe
commit 9e93ee3a45
1 changed files with 4 additions and 0 deletions
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src/pbs.cpp
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@ -314,6 +314,10 @@ Train *GetTrainForReservation(TileIndex tile, Track track)
* have a train on it. We need FollowReservation to ignore one-way signals
* here, as one of the two search directions will be the "wrong" way. */
for (int i = 0; i < 2; ++i, trackdir = ReverseTrackdir(trackdir)) {
/* If the tile has a one-way block signal in the current trackdir, skip the
* search in this direction as the reservation can't come from this side.*/
if (HasOnewaySignalBlockingTrackdir(tile, ReverseTrackdir(trackdir)) && !HasPbsSignalOnTrackdir(tile, trackdir)) continue;
FindTrainOnTrackInfo ftoti;
ftoti.res = FollowReservation(GetTileOwner(tile), rts, tile, trackdir, true);