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
|
#ifndef TILE_H
#define TILE_H
#include "macros.h"
#include "map.h"
typedef enum TileType {
MP_CLEAR,
MP_RAILWAY,
MP_STREET,
MP_HOUSE,
MP_TREES,
MP_STATION,
MP_WATER,
MP_VOID, // invisible tiles at the SW and SE border
MP_INDUSTRY,
MP_TUNNELBRIDGE,
MP_UNMOVABLE
} TileType;
/* TODO: Find out values */
/* Direction as commonly used in v->direction, 8 way. */
typedef enum Directions {
DIR_N = 0,
DIR_NE = 1, /* Northeast, upper right on your monitor */
DIR_E = 2,
DIR_SE = 3,
DIR_S = 4,
DIR_SW = 5,
DIR_W = 6,
DIR_NW = 7,
DIR_END,
INVALID_DIR = 0xFF,
} Direction;
/* Direction commonly used as the direction of entering and leaving tiles, 4-way */
typedef enum DiagonalDirections {
DIAGDIR_NE = 0, /* Northeast, upper right on your monitor */
DIAGDIR_SE = 1,
DIAGDIR_SW = 2,
DIAGDIR_NW = 3,
DIAGDIR_END,
INVALID_DIAGDIR = 0xFF,
} DiagDirection;
void SetMapExtraBits(TileIndex tile, byte flags);
uint GetMapExtraBits(TileIndex tile);
uint GetTileSlope(TileIndex tile, uint *h);
uint GetTileZ(TileIndex tile);
static inline bool CorrectZ(uint tileh)
{
/* tile height must be corrected if the north corner is not raised, but
* any other corner is. These are the cases 1 till 7 */
return IS_INT_INSIDE(tileh, 1, 8);
}
static inline uint TileHeight(TileIndex tile)
{
assert(tile < MapSize());
return GB(_map_type_and_height[tile], 0, 4);
}
static inline void SetTileHeight(TileIndex tile, uint height)
{
assert(tile < MapSize());
assert(height < 16);
SB(_map_type_and_height[tile], 0, 4, height);
}
static inline uint TilePixelHeight(TileIndex tile)
{
return TileHeight(tile) * 8;
}
static inline TileType GetTileType(TileIndex tile)
{
assert(tile < MapSize());
return GB(_map_type_and_height[tile], 4, 4);
}
static inline void SetTileType(TileIndex tile, TileType type)
{
assert(tile < MapSize());
SB(_map_type_and_height[tile], 4, 4, type);
}
static inline bool IsTileType(TileIndex tile, TileType type)
{
return GetTileType(tile) == type;
}
static inline Owner GetTileOwner(TileIndex tile)
{
assert(tile < MapSize());
assert(!IsTileType(tile, MP_HOUSE));
assert(!IsTileType(tile, MP_VOID));
assert(!IsTileType(tile, MP_INDUSTRY));
return _map_owner[tile];
}
static inline void SetTileOwner(TileIndex tile, Owner owner)
{
assert(tile < MapSize());
assert(!IsTileType(tile, MP_HOUSE));
assert(!IsTileType(tile, MP_VOID));
assert(!IsTileType(tile, MP_INDUSTRY));
_map_owner[tile] = owner;
}
static inline bool IsTileOwner(TileIndex tile, Owner owner)
{
return GetTileOwner(tile) == owner;
}
static inline bool IsLevelCrossing(TileIndex tile)
{
return (_map5[tile] & 0xF0) == 0x10;
}
#endif
|
