diff options
Diffstat (limited to 'src/rail_cmd.cpp')
-rw-r--r-- | src/rail_cmd.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp index 22e45c7b8..c9e2c3916 100644 --- a/src/rail_cmd.cpp +++ b/src/rail_cmd.cpp @@ -698,6 +698,7 @@ static CommandCost ValidateAutoDrag(Trackdir *trackdir, TileIndex start, TileInd * - p2 = (bit 0-3) - railroad type normal/maglev (0 = normal, 1 = mono, 2 = maglev) * - p2 = (bit 4-6) - track-orientation, valid values: 0-5 (Track enum) * - p2 = (bit 7) - 0 = build, 1 = remove tracks + * - p2 = (bit 8) - 0 = build up to an obstacle, 1 = fail if an obstacle is found (used for AIs). * @param text unused * @return the cost of this operation or an error */ @@ -721,7 +722,10 @@ static CommandCost CmdRailTrackHelper(TileIndex tile, DoCommandFlag flags, uint3 ret = DoCommand(tile, railtype, TrackdirToTrack(trackdir), flags, remove ? CMD_REMOVE_SINGLE_RAIL : CMD_BUILD_SINGLE_RAIL); if (ret.Failed()) { - if (_error_message != STR_ERROR_ALREADY_BUILT && !remove) break; + if (_error_message != STR_ERROR_ALREADY_BUILT && !remove) { + if (HasBit(p2, 8)) return CMD_ERROR; + break; + } _error_message = INVALID_STRING_ID; } else { total_cost.AddCost(ret); |