From 2057b9bc86ea48508b50aa1415a01e91afd1596b Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 6 Nov 2018 12:33:41 +0100
Subject: check that rectangle is in a single layer

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

diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 4d76eac82..145d338ac 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -1658,7 +1658,7 @@ CommandCost RemoveFromRailBaseStation(TileArea ta, std::vector<T *> &affected_st
 CommandCost CmdRemoveFromRailStation(DoCommandFlag flags, TileIndex start, TileIndex end, bool keep_rail)
 {
 	if (end == 0) end = start;
-	if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
+	if (start >= MapSize() || end >= MapSize() || (LayerIndex(start) != LayerIndex(end))) return CMD_ERROR;
 
 	TileArea ta(start, end);
 	std::vector<Station *> affected_stations;
-- 
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