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#ifndef AIRPORT_H
#define AIRPORT_H
#include "airport_movement.h"
enum {MAX_TERMINALS = 6};
enum {MAX_HELIPADS = 2};
// Airport types
enum {
AT_SMALL = 0,
AT_LARGE = 1,
AT_HELIPORT = 2,
AT_METROPOLITAN = 3,
AT_INTERNATIONAL = 4,
AT_OILRIG = 5
};
// do not change unless you change v->subtype too. This aligns perfectly with its current setting
enum {
AIRCRAFT_ONLY = 0,
ALL = 1,
HELICOPTERS_ONLY = 2
};
// Finite sTate mAchine --> FTA
typedef struct AirportFTAClass {
byte nofelements; // number of positions the airport consists of
byte nofterminals; // number of terminals this airport has
byte nofterminalgroups; // terminals belong to so many groups (MAX is the nofterminals)
byte nofhelipads; // number of helipads this airport has
byte nofhelipadgroups; // helipads belong to so many groups (MAX is the nofhelipads)
byte entry_point; // when an airplane arrives at this airport, enter it at position entry_point
byte 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
} 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_in_chain; // possible extra movement choices from this position
} AirportFTA;
void InitializeAirports();
void UnInitializeAirports();
const AirportFTAClass* GetAirport(const byte airport_type);
#endif /* AIRPORT_H */
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