From 163e741774e97cd018d591beb1527830cdcbcae7 Mon Sep 17 00:00:00 2001
From: yexo <yexo@openttd.org>
Date: Sat, 29 Aug 2009 17:01:39 +0000
Subject: [PATCH] (svn r17307) -Fix [NoAI]: AIRail::RemoveRailTrack returned
 ERR_PRECONDITION_ERROR for road/rail-crossings

---
 src/ai/api/ai_rail.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ai/api/ai_rail.cpp b/src/ai/api/ai_rail.cpp
index 017e1c2d6f..37589092c2 100644
--- a/src/ai/api/ai_rail.cpp
+++ b/src/ai/api/ai_rail.cpp
@@ -235,7 +235,7 @@
 /* static */ bool AIRail::RemoveRailTrack(TileIndex tile, RailTrack rail_track)
 {
 	EnforcePrecondition(false, ::IsValidTile(tile));
-	EnforcePrecondition(false, ::IsPlainRailTile(tile));
+	EnforcePrecondition(false, ::IsPlainRailTile(tile) || ::IsLevelCrossingTile(tile));
 	EnforcePrecondition(false, GetRailTracks(tile) & rail_track);
 	EnforcePrecondition(false, KillFirstBit((uint)rail_track) == 0);