diff options
Diffstat (limited to 'src/rail_cmd.cpp')
| -rw-r--r-- | src/rail_cmd.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp index ed0362935..9cd40c83e 100644 --- a/src/rail_cmd.cpp +++ b/src/rail_cmd.cpp @@ -1402,7 +1402,9 @@ static Vehicle *UpdateTrainPowerProc(Vehicle *v, void *data) * @param tile end tile of rail conversion drag * @param flags operation to perform * @param p1 start tile of drag - * @param p2 new railtype to convert to + * @param p2 various bitstuffed elements: + * - p2 = (bit 0- 3) new railtype to convert to. + * - p2 = (bit 4) build diagonally or not. * @param text unused * @return the cost of this operation or an error */ @@ -1418,7 +1420,8 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3 CommandCost cost(EXPENSES_CONSTRUCTION); CommandCost error = CommandCost(STR_ERROR_NO_SUITABLE_RAILROAD_TRACK); // by default, there is no track to convert. TileArea ta(tile, p1); - TILE_AREA_LOOP(tile, ta) { + TileIterator *iter = HasBit(p2, 4) ? (TileIterator *)new DiagonalTileIterator(tile, p1) : new OrthogonalTileIterator(ta); + for (; (tile = *iter) != INVALID_TILE; ++(*iter)) { TileType tt = GetTileType(tile); /* Check if there is any track on tile */ |