truelight@9654: /* $Id$ */
truelight@9654: 
truelight@9654: #include "ai_airport.hpp"
truelight@9654: #include "../../command.h"
truelight@9670: #include "../../variables.h"
truelight@9654: #include "../../station_map.h"
truelight@9654: 
truelight@9654: 
truelight@9670: /* static */ bool AIAirport::IsHangarTile(TileIndex tile)
truelight@9654: {
truelight@9654: 	/* Outside of the map */
truelight@9654: 	if (tile >= ::MapSize()) return false;
truelight@9654: 
truelight@9654: 	return ::IsTileType(tile, MP_STATION) && ::IsHangar(tile);
truelight@9654: }
truelight@9654: 
truelight@9670: /* static */ bool AIAirport::IsAirportTile(TileIndex tile)
truelight@9654: {
truelight@9654: 	/* Outside of the map */
truelight@9654: 	if (tile >= ::MapSize()) return false;
truelight@9654: 
truelight@9654: 	return ::IsTileType(tile, MP_STATION) && ::IsAirport(tile);
truelight@9654: }
truelight@9654: 
truelight@9670: /* static */ bool AIAirport::AiportAvailable(AirportType type)
truelight@9654: {
truelight@9670: 	if (type > AT_HELISTATION) return 0;
truelight@9654: 	return HASBIT(::GetValidAirports(), type);
truelight@9654: }
truelight@9654: 
truelight@9670: /* static */ int32 AIAirport::GetAirportWidth(AirportType type)
truelight@9670: {
truelight@9670: 	if (type > AT_HELISTATION) return 0;
truelight@9670: 	return GetAirport(type)->size_x;
truelight@9670: }
truelight@9670: 
truelight@9670: /* static */ int32 AIAirport::GetAirportHeight(AirportType type)
truelight@9670: {
truelight@9670: 	if (type > AT_HELISTATION) return 0;
truelight@9670: 	return GetAirport(type)->size_y;
truelight@9670: }
truelight@9670: 
truelight@9670: /* static */ int32 AIAirport::GetAirportCoverageRadius(AirportType type)
truelight@9670: {
truelight@9670: 	if (type > AT_HELISTATION) return 0;
truelight@9670: 	return _patches.modified_catchment ? GetAirport(type)->catchment : 4;
truelight@9670: }
truelight@9670: 
truelight@9654: bool AIAirport::BuildAirport(TileIndex tile, AirportType type)
truelight@9654: {
truelight@9654: 	/* Outside of the map */
truelight@9654: 	if (tile >= ::MapSize()) return false;
truelight@9670: 	if (type > AT_HELISTATION) return 0;
truelight@9654: 
truelight@9654: 	return this->DoCommand(tile, type, 0, CMD_BUILD_AIRPORT);
truelight@9654: }
truelight@9654: 
truelight@9654: bool AIAirport::RemoveAirport(TileIndex tile)
truelight@9654: {
truelight@9654: 	/* Outside of the map */
truelight@9654: 	if (tile >= ::MapSize()) return false;
truelight@9654: 
truelight@9654: 	/* Not a airport tile */
truelight@9654: 	if (!IsAirportTile(tile) && !IsHangarTile(tile)) return false;
truelight@9654: 
truelight@9654: 	return this->DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
truelight@9654: }
truelight@9654: 
truelight@9654: TileIndex AIAirport::GetHangarOfAirport(TileIndex tile)
truelight@9654: {
truelight@9654: 	if (!IsTileType(tile, MP_STATION)) return INVALID_TILE;
truelight@9654: 
truelight@9654: 	const Station *st = GetStationByTile(tile);
truelight@9654: 	if (st->owner != _current_player) return INVALID_TILE;
truelight@9654: 
truelight@9654: 	return ToTileIndexDiff(st->Airport()->airport_depots[0]) + st->xy;
truelight@9654: }