# HG changeset patch
# User KUDr <KUDr@openttd.org>
# Date 1148915082 0
# Node ID e55b58cd04dabd177d239b243fc88487cedb88b6
# Parent  d1ba5711f911eb7040d61976f585a21af8d05695
(svn r5013) -Fix: [YAPF] RVs trying to plan route through railway.
Should fix assert("(GetTileTrackStatus(m_old_tile, TT()) & TrackdirToTrackdirBits(m_old_td)) != 0")
Thanks Celestar for the reproducible case.

diff --git a/yapf/follow_track.hpp b/yapf/follow_track.hpp
--- a/yapf/follow_track.hpp
+++ b/yapf/follow_track.hpp
@@ -85,7 +85,7 @@
 	FORCEINLINE bool QueryNewTileTrackStatus()
 	{
 		CPerfStart perf(*m_pPerf);
-		if (GetTileType(m_new_tile) == MP_RAILWAY && IsPlainRailTile(m_new_tile)) {
+		if (IsRailTT() && GetTileType(m_new_tile) == MP_RAILWAY && IsPlainRailTile(m_new_tile)) {
 			m_new_td_bits = (TrackdirBits)(GetTrackBits(m_new_tile) * 0x101);
 		} else {
 			uint32 ts = GetTileTrackStatus(m_new_tile, TT());