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-rw-r--r--src/road.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/road.cpp b/src/road.cpp
index 5e802f786..705270186 100644
--- a/src/road.cpp
+++ b/src/road.cpp
@@ -21,7 +21,14 @@
#include "date_func.h"
#include "landscape.h"
-bool IsPossibleCrossing(const TileIndex tile, Axis ax)
+/**
+ * Return if the tile is a valid tile for a crossing.
+ *
+ * @param tile the curent tile
+ * @param ax the axis of the road over the rail
+ * @return true if it is a valid tile
+ */
+static bool IsPossibleCrossing(const TileIndex tile, Axis ax)
{
return (IsTileType(tile, MP_RAILWAY) &&
GetRailTileType(tile) == RAIL_TILE_NORMAL &&