From cc5f17561571b45b52e7406fb66051446f8cceb4 Mon Sep 17 00:00:00 2001
From: Michael Lutz <michi@icosahedron.de>
Date: Sun, 10 Mar 2019 09:12:47 +0100
Subject: Feature: Railtype flags to allow/disallow 90 degree curves. (#7352)

---
 src/pathfinder/follow_track.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/pathfinder/follow_track.hpp')

diff --git a/src/pathfinder/follow_track.hpp b/src/pathfinder/follow_track.hpp
index acdff68a7..2bbad8d70 100644
--- a/src/pathfinder/follow_track.hpp
+++ b/src/pathfinder/follow_track.hpp
@@ -157,7 +157,7 @@ struct CFollowTrackT
 
 			return false;
 		}
-		if (!Allow90degTurns()) {
+		if ((!IsRailTT() && !Allow90degTurns()) || (IsRailTT() && Rail90DegTurnDisallowed(GetTileRailType(m_old_tile), GetTileRailType(m_new_tile), !Allow90degTurns()))) {
 			m_new_td_bits &= (TrackdirBits)~(int)TrackdirCrossesTrackdirs(m_old_td);
 			if (m_new_td_bits == TRACKDIR_BIT_NONE) {
 				m_err = EC_90DEG;
-- 
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