(svn r27157) -Fix: Mark bridge middle tiles dirty when building/removing/changing bridges.

1 files changed, 4 insertions, 6 deletions

diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index d3093aa7b..ab383794b 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -1688,13 +1688,11 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
 					YapfNotifyTrackLayoutChange(tile, track);
 					YapfNotifyTrackLayoutChange(endtile, track);
 
-					MarkTileDirtyByTile(tile);
-					MarkTileDirtyByTile(endtile);
-
 					if (IsBridge(tile)) {
-						TileIndexDiff delta = TileOffsByDiagDir(GetTunnelBridgeDirection(tile));
-						TileIndex t = tile + delta;
-						for (; t != endtile; t += delta) MarkTileDirtyByTile(t); // TODO encapsulate this into a function
+						MarkBridgeDirty(tile);
+					} else {
+						MarkTileDirtyByTile(tile);
+						MarkTileDirtyByTile(endtile);
 					}
 				}