Merge branch 'master' into jgrpp

# Conflicts:
#	src/landscape.cpp
#	src/landscape.h
#	src/misc_gui.cpp
#	src/newgrf_commons.cpp
#	src/order_cmd.cpp
#	src/pathfinder/yapf/yapf_base.hpp
#	src/station_cmd.cpp
#	src/tunnelbridge_cmd.cpp
#	src/vehicle.cpp
#	src/water_cmd.cpp
#	src/window.cpp

src/bridge_map.cpp

@@ -72,12 +72,11 @@ TileIndex GetOtherBridgeEnd(TileIndex tile)
  */
 int GetBridgeHeight(TileIndex t)
 {
-	int h;
-	Slope tileh = GetTileSlope(t, &h);
+	auto [tileh, h] = GetTileSlopeZ(t);
 	Foundation f = GetBridgeFoundation(tileh, DiagDirToAxis(GetTunnelBridgeDirection(t)));
 
 	/* one height level extra for the ramp */
-	return h + 1 + ApplyFoundationToSlope(f, &tileh);
+	return h + 1 + ApplyFoundationToSlope(f, tileh);
 }
 
 std::unordered_map<TileIndex, LongBridgeSignalStorage> _long_bridge_signal_sim_map;