summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--npf.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/npf.c b/npf.c
index 330a38835..94ba14b03 100644
--- a/npf.c
+++ b/npf.c
@@ -461,6 +461,12 @@ void NPFFollowTrack(AyStar* aystar, OpenListNode* current) {
}
}
+ /* I can't enter a tunnel entry/exit tile from a tile above the tunnel. Note
+ * that I can enter the tunnel from a tile below the tunnel entrance. This
+ * solves the problem of vehicles wanting to drive off a tunnel entrance */
+ if (IsTileType(dst_tile, MP_TUNNELBRIDGE) && (_map5[dst_tile] & 0xF0) == 0 && GetTileZ(dst_tile) < GetTileZ(src_tile))
+ return;
+
/* check correct rail type (mono, maglev, etc)
* XXX: This now compares with the previous tile, which should not pose a
* problem, but it might be nicer to compare with the first tile, or even