From 6c2e2011334f45ad6735efee28fb4c49d1aa5594 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Mon, 9 Jul 2012 19:43:22 +0000
Subject: [PATCH] (svn r24391) -Change [FS#5229]: Disallow original and better
 road layouts to build roads under bridges along the bridge direction.

---
 src/town_cmd.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 6c37ccae15..d0b2e291ee 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -847,6 +847,9 @@ static bool IsRoadAllowedHere(Town *t, TileIndex tile, DiagDirection dir)
 {
 	if (DistanceFromEdge(tile) == 0) return false;
 
+	/* Prevent towns from building roads under bridges along the bridge. Looks silly. */
+	if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile) && GetBridgeAxis(tile) == DiagDirToAxis(dir)) return false;
+
 	/* Check if there already is a road at this point? */
 	if (GetTownRoadBits(tile) == ROAD_NONE) {
 		/* No, try if we are able to build a road piece there.