1

/* $Id$ */

     2

     3

#include "ai_airport.hpp"

     4

#include "../../variables.h"

     5

#include "../../station_map.h"

     6

     7

     8

/* static */ bool AIAirport::IsHangarTile(TileIndex tile)

     9

{

    10

	/* Outside of the map */

    11

	if (tile >= ::MapSize()) return false;

    12

    13

	return ::IsTileType(tile, MP_STATION) && ::IsHangar(tile);

    14

}

    15

    16

/* static */ bool AIAirport::IsAirportTile(TileIndex tile)

    17

{

    18

	/* Outside of the map */

    19

	if (tile >= ::MapSize()) return false;

    20

    21

	return ::IsTileType(tile, MP_STATION) && ::IsAirport(tile);

    22

}

    23

    24

/* static */ bool AIAirport::AiportAvailable(AirportType type)

    25

{

    26

	if (type > AT_HELISTATION) return 0;

    27

	return HasBit(::GetValidAirports(), type);

    28

}

    29

    30

/* static */ int32 AIAirport::GetAirportWidth(AirportType type)

    31

{

    32

	if (type > AT_HELISTATION) return 0;

    33

	return GetAirport(type)->size_x;

    34

}

    35

    36

/* static */ int32 AIAirport::GetAirportHeight(AirportType type)

    37

{

    38

	if (type > AT_HELISTATION) return 0;

    39

	return GetAirport(type)->size_y;

    40

}

    41

    42

/* static */ int32 AIAirport::GetAirportCoverageRadius(AirportType type)

    43

{

    44

	if (type > AT_HELISTATION) return 0;

    45

	return _patches.modified_catchment ? GetAirport(type)->catchment : 4;

    46

}

    47

    48

bool AIAirport::BuildAirport(TileIndex tile, AirportType type)

    49

{

    50

	/* Outside of the map */

    51

	if (tile >= ::MapSize()) return false;

    52

	if (type > AT_HELISTATION) return 0;

    53

    54

	return this->DoCommand(tile, type, 0, CMD_BUILD_AIRPORT);

    55

}

    56

    57

bool AIAirport::RemoveAirport(TileIndex tile)

    58

{

    59

	/* Outside of the map */

    60

	if (tile >= ::MapSize()) return false;

    61

    62

	/* Not a airport tile */

    63

	if (!IsAirportTile(tile) && !IsHangarTile(tile)) return false;

    64

    65

	return this->DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);

    66

}

    67

    68

TileIndex AIAirport::GetHangarOfAirport(TileIndex tile)

    69

{

    70

	if (!IsTileType(tile, MP_STATION)) return INVALID_TILE;

    71

    72

	const Station *st = GetStationByTile(tile);

    73

	if (st->owner != _current_player) return INVALID_TILE;

    74

    75

	return ToTileIndexDiff(st->Airport()->airport_depots[0]) + st->xy;

    76

}