1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/* $Id$ */
#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
};
// this maps the terminal to its corresponding state and block flag
// currently set for 10 terms, 4 helipads
static const byte _airport_terminal_state[] = {2, 3, 4, 5, 6, 7, 19, 20, 0, 0, 8, 9, 21, 22};
static const byte _airport_terminal_flag[] = {0, 1, 2, 3, 4, 5, 22, 23, 0, 0, 6, 7, 24, 25};
/* 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 */
|
