diff options
Diffstat (limited to 'src/road_cmd.cpp')
| -rw-r--r-- | src/road_cmd.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp index 7586a9f49..5f4e6e538 100644 --- a/src/road_cmd.cpp +++ b/src/road_cmd.cpp @@ -427,12 +427,16 @@ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) case MP_STATION: if (!IsDriveThroughStopTile(tile)) return CMD_ERROR; if (HASBIT(GetRoadTypes(tile), rt)) return_cmd_error(STR_1007_ALREADY_BUILT); + /* Don't allow "upgrading" the roadstop when vehicles are already driving on it */ + if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; break; case MP_TUNNELBRIDGE: if ((IsTunnel(tile) && GetTunnelTransportType(tile) != TRANSPORT_ROAD) || (IsBridge(tile) && GetBridgeTransportType(tile) != TRANSPORT_ROAD)) return CMD_ERROR; if (HASBIT(GetRoadTypes(tile), rt)) return_cmd_error(STR_1007_ALREADY_BUILT); + /* Don't allow "upgrading" the bridge/tunnel when vehicles are already driving on it */ + if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; break; default: |