From fd097af20e62ff61f5edf9c3c45a53c7ff7cfcbf Mon Sep 17 00:00:00 2001
From: celestar <celestar@openttd.org>
Date: Fri, 7 Apr 2006 08:42:30 +0000
Subject: [PATCH] (svn r4311) -Fix/Codechange: Clear the railtype when removing
 rail under a bridge. FS#103 exhibited this problem

---
 bridge_map.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bridge_map.h b/bridge_map.h
index 485935fbf5..f2b5d4ee45 100644
--- a/bridge_map.h
+++ b/bridge_map.h
@@ -148,6 +148,7 @@ static inline void SetClearUnderBridge(TileIndex t)
 	assert(IsBridgeMiddle(t));
 	SetTileOwner(t, OWNER_NONE);
 	SB(_m[t].m5, 3, 3, 0 << 2 | 0);
+	SB(_m[t].m3, 0, 4, 0);
 }
 
 static inline void SetWaterUnderBridge(TileIndex t)
@@ -155,6 +156,7 @@ static inline void SetWaterUnderBridge(TileIndex t)
 	assert(IsBridgeMiddle(t));
 	SetTileOwner(t, OWNER_WATER);
 	SB(_m[t].m5, 3, 3, 0 << 2 | 1);
+	SB(_m[t].m3, 0, 4, 0);
 }
 
 static inline void SetRailUnderBridge(TileIndex t, Owner o, RailType r)
@@ -170,6 +172,7 @@ static inline void SetRoadUnderBridge(TileIndex t, Owner o)
 	assert(IsBridgeMiddle(t));
 	SetTileOwner(t, o);
 	SB(_m[t].m5, 3, 3, 1 << 2 | TRANSPORT_ROAD);
+	SB(_m[t].m3, 0, 4, 0);
 }