diff options
Diffstat (limited to 'src/newgrf_airport.cpp')
| -rw-r--r-- | src/newgrf_airport.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/newgrf_airport.cpp b/src/newgrf_airport.cpp index 46f15b0e1..615292aef 100644 --- a/src/newgrf_airport.cpp +++ b/src/newgrf_airport.cpp @@ -131,6 +131,24 @@ bool AirportSpec::IsAvailable() const } /** + * Check if the airport would be within the map bounds at the given tile. + * @param table Selected layout table. This affects airport rotation, and therefore dimenions. + * @param tile Top corner of the airport. + * @return true iff the airport would be within the map bounds at the given tile. + */ +bool AirportSpec::IsWithinMapBounds(byte table, TileIndex tile) const +{ + if (table >= this->num_table) return false; + + byte w = this->size_x; + byte h = this->size_y; + if (this->rotation[table] == DIR_E || this->rotation[table] == DIR_W) Swap(w, h); + + return TileX(tile) + w < MapSizeX() && + TileY(tile) + h < MapSizeY(); +} + +/** * This function initializes the airportspec array. */ void AirportSpec::ResetAirports() |