diff options
Diffstat (limited to 'src/rail_cmd.cpp')
| -rw-r--r-- | src/rail_cmd.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp index df862d4f2..1a4728c6c 100644 --- a/src/rail_cmd.cpp +++ b/src/rail_cmd.cpp @@ -1578,6 +1578,7 @@ 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. + bool found_convertible_track = false; // whether we actually did convert some track (see bug #7633) TileIterator *iter = diagonal ? (TileIterator *)new DiagonalTileIterator(area_start, area_end) : new OrthogonalTileIterator(area_start, area_end); for (; (tile = *iter) != INVALID_TILE; ++(*iter)) { @@ -1673,6 +1674,7 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3 InvalidateWindowData(WC_VEHICLE_DEPOT, tile); InvalidateWindowData(WC_BUILD_VEHICLE, tile); } + found_convertible_track = true; cost.AddCost(RailConvertCost(type, totype)); break; @@ -1684,6 +1686,7 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3 YapfNotifyTrackLayoutChange(tile, RemoveFirstTrack(&tracks)); } } + found_convertible_track = true; cost.AddCost(RailConvertCost(type, totype) * CountBits(GetTrackBits(tile))); break; } @@ -1746,6 +1749,7 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3 } } + found_convertible_track = true; cost.AddCost((GetTunnelBridgeLength(tile, endtile) + 2) * RailConvertCost(type, totype)); break; } @@ -1756,6 +1760,7 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3 YapfNotifyTrackLayoutChange(tile, track); } + found_convertible_track = true; cost.AddCost(RailConvertCost(type, totype)); break; } @@ -1773,7 +1778,7 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3 } delete iter; - return (cost.GetCost() == 0) ? error : cost; + return found_convertible_track ? cost : error; } static CommandCost RemoveTrainDepot(TileIndex tile, DoCommandFlag flags) |