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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/* $Id$ */
#ifndef RAIL_MAP_H
#define RAIL_MAP_H
#include "direction.h"
#include "tile.h"
typedef enum RailTileType {
RAIL_TYPE_NORMAL = 0x0,
RAIL_TYPE_SIGNALS = 0x40,
RAIL_TYPE_UNUSED = 0x80, /* XXX: Maybe this could become waypoints? */
RAIL_TYPE_DEPOT_WAYPOINT = 0xC0, /* Is really depots and waypoints... */
RAIL_TILE_TYPE_MASK = 0xC0
} RailTileType;
static inline RailTileType GetRailTileType(TileIndex t)
{
assert(IsTileType(t, MP_RAILWAY));
return _m[t].m5 & RAIL_TILE_TYPE_MASK;
}
/** These specify the subtype when the main rail type is
* RAIL_TYPE_DEPOT_WAYPOINT */
typedef enum RailTileSubtypes {
RAIL_SUBTYPE_DEPOT = 0x00,
RAIL_SUBTYPE_WAYPOINT = 0x04,
RAIL_SUBTYPE_MASK = 0x3C
} RailTileSubtype;
typedef enum RailTypes {
RAILTYPE_RAIL = 0,
RAILTYPE_ELECTRIC = 1,
RAILTYPE_MONO = 2,
RAILTYPE_MAGLEV = 3,
RAILTYPE_END,
INVALID_RAILTYPE = 0xFF
} RailType;
typedef byte RailTypeMask;
static inline RailType GetRailType(TileIndex t)
{
return (RailType)GB(_m[t].m3, 0, 4);
}
// TODO remove this by moving to the same bits as GetRailType()
static inline RailType GetRailTypeCrossing(TileIndex t)
{
return (RailType)GB(_m[t].m4, 0, 4);
}
static inline RailType GetRailTypeOnBridge(TileIndex t)
{
return (RailType)GB(_m[t].m3, 4, 4);
}
static inline void SetRailType(TileIndex t, RailType r)
{
SB(_m[t].m3, 0, 4, r);
}
// TODO remove this by moving to the same bits as SetRailType()
static inline void SetRailTypeCrossing(TileIndex t, RailType r)
{
SB(_m[t].m4, 0, 4, r);
}
static inline void SetRailTypeOnBridge(TileIndex t, RailType r)
{
SB(_m[t].m3, 4, 4, r);
}
/** These are used to specify a single track.
* Can be translated to a trackbit with TrackToTrackbit */
typedef enum Track {
TRACK_X = 0,
TRACK_Y = 1,
TRACK_UPPER = 2,
TRACK_LOWER = 3,
TRACK_LEFT = 4,
TRACK_RIGHT = 5,
TRACK_END,
INVALID_TRACK = 0xFF
} Track;
/** Bitfield corresponding to Track */
typedef enum TrackBits {
TRACK_BIT_X = 1U << TRACK_X,
TRACK_BIT_Y = 1U << TRACK_Y,
TRACK_BIT_UPPER = 1U << TRACK_UPPER,
TRACK_BIT_LOWER = 1U << TRACK_LOWER,
TRACK_BIT_LEFT = 1U << TRACK_LEFT,
TRACK_BIT_RIGHT = 1U << TRACK_RIGHT,
TRACK_BIT_CROSS = TRACK_BIT_X | TRACK_BIT_Y,
TRACK_BIT_HORZ = TRACK_BIT_UPPER | TRACK_BIT_LOWER,
TRACK_BIT_VERT = TRACK_BIT_LEFT | TRACK_BIT_RIGHT,
TRACK_BIT_3WAY_NE = TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT,
TRACK_BIT_3WAY_SE = TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_RIGHT,
TRACK_BIT_3WAY_SW = TRACK_BIT_X | TRACK_BIT_LOWER | TRACK_BIT_LEFT,
TRACK_BIT_3WAY_NW = TRACK_BIT_Y | TRACK_BIT_UPPER | TRACK_BIT_LEFT,
TRACK_BIT_ALL = TRACK_BIT_CROSS | TRACK_BIT_HORZ | TRACK_BIT_VERT,
TRACK_BIT_MASK = 0x3FU
} TrackBits;
static inline TrackBits GetTrackBits(TileIndex tile)
{
return (TrackBits)GB(_m[tile].m5, 0, 6);
}
static inline void SetTrackBits(TileIndex t, TrackBits b)
{
SB(_m[t].m5, 0, 6, b);
}
static inline DiagDirection GetRailDepotDirection(TileIndex t)
{
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
static inline TrackBits GetRailWaypointBits(TileIndex t)
{
return _m[t].m5 & 1 ? TRACK_BIT_Y : TRACK_BIT_X;
}
typedef enum SignalType {
SIGTYPE_NORMAL = 0, // normal signal
SIGTYPE_ENTRY = 1, // presignal block entry
SIGTYPE_EXIT = 2, // presignal block exit
SIGTYPE_COMBO = 3 // presignal inter-block
} SignalType;
static inline SignalType GetSignalType(TileIndex t)
{
assert(GetRailTileType(t) == RAIL_TYPE_SIGNALS);
return (SignalType)GB(_m[t].m4, 0, 2);
}
static inline void SetSignalType(TileIndex t, SignalType s)
{
assert(GetRailTileType(t) == RAIL_TYPE_SIGNALS);
SB(_m[t].m4, 0, 2, s);
}
typedef enum SignalVariant {
SIG_ELECTRIC = 0,
SIG_SEMAPHORE = 1
} SignalVariant;
static inline SignalVariant GetSignalVariant(TileIndex t)
{
return (SignalVariant)GB(_m[t].m4, 2, 1);
}
static inline void SetSignalVariant(TileIndex t, SignalVariant v)
{
SB(_m[t].m4, 2, 1, v);
}
static inline void MakeRailNormal(TileIndex t, Owner o, TrackBits b, RailType r)
{
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = RAIL_TYPE_NORMAL | b;
}
static inline void MakeRailDepot(TileIndex t, Owner o, DiagDirection d, RailType r)
{
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = RAIL_TYPE_DEPOT_WAYPOINT | RAIL_SUBTYPE_DEPOT | d;
}
static inline void MakeRailWaypoint(TileIndex t, Owner o, Axis a, RailType r, uint index)
{
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = index;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = RAIL_TYPE_DEPOT_WAYPOINT | RAIL_SUBTYPE_WAYPOINT | a;
}
#endif
|
