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-rw-r--r--src/road_cmd.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index 9fbf16cc2..28d4e76e0 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -576,6 +576,7 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
case MP_TUNNELBRIDGE:
if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
+ if (MirrorRoadBits(DiagDirToRoadBits(GetTunnelBridgeDirection(tile))) != pieces) return CMD_ERROR;
if (HasTileRoadType(tile, rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
/* Don't allow adding roadtype to the bridge/tunnel when vehicles are already driving on it */
if (GetVehicleTunnelBridge(tile, GetOtherTunnelBridgeEnd(tile)) != NULL) return CMD_ERROR;
@@ -734,6 +735,7 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32
if (tile == end_tile && !HasBit(p2, 1)) bits &= ROAD_NW | ROAD_NE;
if (tile == start_tile && HasBit(p2, 0)) bits &= ROAD_SE | ROAD_SW;
+ _error_message = INVALID_STRING_ID;
CommandCost ret = DoCommand(tile, drd << 6 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
if (CmdFailed(ret)) {
if (_error_message != STR_1007_ALREADY_BUILT) return CMD_ERROR;