diff options
Diffstat (limited to 'src/tunnelbridge_cmd.cpp')
| -rw-r--r-- | src/tunnelbridge_cmd.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp index 06d65d077..b57095768 100644 --- a/src/tunnelbridge_cmd.cpp +++ b/src/tunnelbridge_cmd.cpp @@ -373,8 +373,10 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u } if (flags & DC_EXEC) { + /* We do this here because when replacing a bridge with another + * type calling SetBridgeMiddle isn't needed. After all, the + * tile alread has the has_bridge_above bits set. */ SetBridgeMiddle(tile, direction); - MarkTileDirtyByTile(tile); } } @@ -404,8 +406,12 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u default: NOT_REACHED(); } - MarkTileDirtyByTile(tile_start); - MarkTileDirtyByTile(tile_end); + + /* Mark all tiles dirty */ + TileIndexDiff delta = (direction == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1)); + for (TileIndex tile = tile_start; tile <= tile_end; tile += delta) { + MarkTileDirtyByTile(tile); + } } if ((flags & DC_EXEC) && transport_type == TRANSPORT_RAIL) { |