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/* $Id$ */
#ifndef AIRPORT_H
#define AIRPORT_H
#include "direction.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
};
// do not change unless you change v->subtype too. This aligns perfectly with its current setting
enum AcceptPlanes {
ACC_BEGIN = 0,
AIRCRAFT_ONLY = 0,
ALL = 1,
HELICOPTERS_ONLY = 2,
ACC_END
};
/** Define basic enum properties */
template <> struct EnumPropsT<AcceptPlanes> : MakeEnumPropsT<AcceptPlanes, byte, ACC_BEGIN, ACC_END, ACC_END> {};
typedef TinyEnumT<AcceptPlanes> AcceptPlanesByte;
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,
};
/* 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)
enum {
TERM1_block = 1 << 0,
TERM2_block = 1 << 1,
TERM3_block = 1 << 2,
TERM4_block = 1 << 3,
TERM5_block = 1 << 4,
TERM6_block = 1 << 5,
HELIPAD1_block = 1 << 6,
HELIPAD2_block = 1 << 7,
RUNWAY_IN_OUT_block = 1 << 8,
RUNWAY_IN_block = 1 << 8,
AIRPORT_BUSY_block = 1 << 8,
RUNWAY_OUT_block = 1 << 9,
TAXIWAY_BUSY_block = 1 << 10,
OUT_WAY_block = 1 << 11,
IN_WAY_block = 1 << 12,
AIRPORT_ENTRANCE_block = 1 << 13,
TERM_GROUP1_block = 1 << 14,
TERM_GROUP2_block = 1 << 15,
HANGAR2_AREA_block = 1 << 16,
TERM_GROUP2_ENTER1_block = 1 << 17,
TERM_GROUP2_ENTER2_block = 1 << 18,
TERM_GROUP2_EXIT1_block = 1 << 19,
TERM_GROUP2_EXIT2_block = 1 << 20,
PRE_HELIPAD_block = 1 << 21,
// blocks for new airports
TERM7_block = 1 << 22,
TERM8_block = 1 << 23,
TERM9_block = 1 << 24,
HELIPAD3_block = 1 << 24,
TERM10_block = 1 << 25,
HELIPAD4_block = 1 << 25,
HANGAR1_AREA_block = 1 << 26,
OUT_WAY2_block = 1 << 27,
IN_WAY2_block = 1 << 28,
RUNWAY_IN2_block = 1 << 29,
RUNWAY_OUT2_block = 1 << 10, // note re-uses TAXIWAY_BUSY
HELIPAD_GROUP_block = 1 << 13, // note re-uses AIRPORT_ENTRANCE
OUT_WAY_block2 = 1 << 31,
// end of new blocks
NOTHING_block = 1 << 30
};
typedef struct AirportMovingData {
int x,y;
byte flag;
DirectionByte direction;
} AirportMovingData;
// Finite sTate mAchine --> FTA
typedef struct AirportFTAClass {
byte nofelements; // number of positions the airport consists of
const byte *terminals;
const byte *helipads;
byte entry_point; // when an airplane arrives at this airport, enter it at position entry_point
AcceptPlanesByte acc_planes; // accept airplanes or helicopters or both
const TileIndexDiffC *airport_depots; // gives the position of the depots on the airports
byte nof_depots; // number of depots this airport has
struct AirportFTA *layout; // state machine for airport
byte size_x;
byte size_y;
} AirportFTAClass;
// internal structure used in openttd - Finite sTate mAchine --> FTA
typedef struct AirportFTA {
byte position; // the position that an airplane is at
byte next_position; // next position from this position
uint32 block; // 32 bit blocks (st->airport_flags), should be enough for the most complex airports
byte heading; // heading (current orders), guiding an airplane to its target on an airport
struct AirportFTA *next; // possible extra movement choices from this position
} AirportFTA;
void InitializeAirports(void);
void UnInitializeAirports(void);
const AirportFTAClass *GetAirport(const byte airport_type);
const AirportMovingData *GetAirportMovingData(byte airport_type, byte position);
/** 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(void);
#endif /* AIRPORT_H */
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