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/* $Id$ */
/** @file airport.h Various declarations for airports */
#ifndef AIRPORT_H
#define AIRPORT_H
#include "direction_type.h"
#include "map_type.h"
#include "tile_type.h"
enum {MAX_TERMINALS = 10};
enum {MAX_HELIPADS = 4};
enum {MAX_ELEMENTS = 255};
enum {MAX_HEADINGS = 22};
/* Airport types */
enum {
AT_SMALL = 0,
AT_LARGE = 1,
AT_HELIPORT = 2,
AT_METROPOLITAN = 3,
AT_INTERNATIONAL = 4,
AT_COMMUTER = 5,
AT_HELIDEPOT = 6,
AT_INTERCON = 7,
AT_HELISTATION = 8,
AT_OILRIG = 15,
AT_DUMMY = 255
};
enum {
AMED_NOSPDCLAMP = 1 << 0,
AMED_TAKEOFF = 1 << 1,
AMED_SLOWTURN = 1 << 2,
AMED_LAND = 1 << 3,
AMED_EXACTPOS = 1 << 4,
AMED_BRAKE = 1 << 5,
AMED_HELI_RAISE = 1 << 6,
AMED_HELI_LOWER = 1 << 7,
AMED_HOLD = 1 << 8
};
/* Movement States on Airports (headings target) */
enum {
TO_ALL = 0,
HANGAR = 1,
TERM1 = 2,
TERM2 = 3,
TERM3 = 4,
TERM4 = 5,
TERM5 = 6,
TERM6 = 7,
HELIPAD1 = 8,
HELIPAD2 = 9,
TAKEOFF = 10,
STARTTAKEOFF = 11,
ENDTAKEOFF = 12,
HELITAKEOFF = 13,
FLYING = 14,
LANDING = 15,
ENDLANDING = 16,
HELILANDING = 17,
HELIENDLANDING = 18,
TERM7 = 19,
TERM8 = 20,
HELIPAD3 = 21,
HELIPAD4 = 22
};
/* Movement Blocks on Airports */
/* blocks (eg_airport_flags) */
static const uint64
TERM1_block = 1ULL << 0,
TERM2_block = 1ULL << 1,
TERM3_block = 1ULL << 2,
TERM4_block = 1ULL << 3,
TERM5_block = 1ULL << 4,
TERM6_block = 1ULL << 5,
HELIPAD1_block = 1ULL << 6,
HELIPAD2_block = 1ULL << 7,
RUNWAY_IN_OUT_block = 1ULL << 8,
RUNWAY_IN_block = 1ULL << 8,
AIRPORT_BUSY_block = 1ULL << 8,
RUNWAY_OUT_block = 1ULL << 9,
TAXIWAY_BUSY_block = 1ULL << 10,
OUT_WAY_block = 1ULL << 11,
IN_WAY_block = 1ULL << 12,
AIRPORT_ENTRANCE_block = 1ULL << 13,
TERM_GROUP1_block = 1ULL << 14,
TERM_GROUP2_block = 1ULL << 15,
HANGAR2_AREA_block = 1ULL << 16,
TERM_GROUP2_ENTER1_block = 1ULL << 17,
TERM_GROUP2_ENTER2_block = 1ULL << 18,
TERM_GROUP2_EXIT1_block = 1ULL << 19,
TERM_GROUP2_EXIT2_block = 1ULL << 20,
PRE_HELIPAD_block = 1ULL << 21,
/* blocks for new airports */
TERM7_block = 1ULL << 22,
TERM8_block = 1ULL << 23,
TERM9_block = 1ULL << 24,
HELIPAD3_block = 1ULL << 24,
TERM10_block = 1ULL << 25,
HELIPAD4_block = 1ULL << 25,
HANGAR1_AREA_block = 1ULL << 26,
OUT_WAY2_block = 1ULL << 27,
IN_WAY2_block = 1ULL << 28,
RUNWAY_IN2_block = 1ULL << 29,
RUNWAY_OUT2_block = 1ULL << 10, ///< note re-uses TAXIWAY_BUSY
HELIPAD_GROUP_block = 1ULL << 13, ///< note re-uses AIRPORT_ENTRANCE
OUT_WAY_block2 = 1ULL << 31,
/* end of new blocks */
NOTHING_block = 1ULL << 30;
struct AirportMovingData {
int16 x;
int16 y;
uint16 flag;
DirectionByte direction;
};
struct AirportFTAbuildup;
/** Finite sTate mAchine --> FTA */
struct AirportFTAClass {
public:
enum Flags {
AIRPLANES = 0x1,
HELICOPTERS = 0x2,
ALL = AIRPLANES | HELICOPTERS,
SHORT_STRIP = 0x4
};
AirportFTAClass(
const AirportMovingData *moving_data,
const byte *terminals,
const byte *helipads,
const byte *entry_points,
Flags flags,
const AirportFTAbuildup *apFA,
const TileIndexDiffC *depots,
byte nof_depots,
uint size_x,
uint size_y,
uint8 noise_level,
byte delta_z,
byte catchment
);
~AirportFTAClass();
const AirportMovingData *MovingData(byte position) const
{
assert(position < nofelements);
return &moving_data[position];
}
const AirportMovingData *moving_data;
struct AirportFTA *layout; ///< state machine for airport
const byte *terminals;
const byte *helipads;
const TileIndexDiffC *airport_depots; ///< gives the position of the depots on the airports
Flags flags;
byte nof_depots; ///< number of depots this airport has
byte nofelements; ///< number of positions the airport consists of
const byte *entry_points; ///< when an airplane arrives at this airport, enter it at position entry_point, index depends on direction
byte size_x;
byte size_y;
uint8 noise_level; ///< noise that this airport generates
byte delta_z; ///< Z adjustment for helicopter pads
byte catchment;
};
DECLARE_ENUM_AS_BIT_SET(AirportFTAClass::Flags)
/** internal structure used in openttd - Finite sTate mAchine --> FTA */
struct AirportFTA {
AirportFTA *next; ///< possible extra movement choices from this position
uint64 block; ///< 64 bit blocks (st->airport_flags), should be enough for the most complex airports
byte position; ///< the position that an airplane is at
byte next_position; ///< next position from this position
byte heading; ///< heading (current orders), guiding an airplane to its target on an airport
};
void InitializeAirports();
void UnInitializeAirports();
const AirportFTAClass *GetAirport(const byte airport_type);
/** Get buildable airport bitmask.
* @return get all buildable airports at this given time, bitmasked.
* Bit 0 means the small airport is buildable, etc.
* @todo set availability of airports by year, instead of airplane
*/
uint32 GetValidAirports();
/* Calculate the noise this type airport will generate */
uint8 GetAirportNoiseLevelForTown(const AirportFTAClass *afc, TileIndex town_tile, TileIndex tile);
#endif /* AIRPORT_H */
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