summaryrefslogtreecommitdiff
path: root/src/tree_map.h
blob: 47da5eb25c17ecc5d68e19b970339fb8bde3bb30 (plain)
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
/* $Id$ */

#ifndef TREE_MAP_H
#define TREE_MAP_H

#include "macros.h"

typedef enum TreeType {
	TREE_INVALID      = -1,
	TREE_TEMPERATE    = 0,
	TREE_SUB_ARCTIC   = 12,
	TREE_RAINFOREST   = 20,
	TREE_CACTUS       = 27,
	TREE_SUB_TROPICAL = 28,
	TREE_TOYLAND      = 32
} TreeType;

enum {
	TREE_COUNT_TEMPERATE    = TREE_SUB_ARCTIC   - TREE_TEMPERATE,
	TREE_COUNT_SUB_ARCTIC   = TREE_RAINFOREST   - TREE_SUB_ARCTIC,
	TREE_COUNT_RAINFOREST   = TREE_CACTUS       - TREE_RAINFOREST,
	TREE_COUNT_SUB_TROPICAL = TREE_SUB_TROPICAL - TREE_CACTUS,
	TREE_COUNT_TOYLAND      = 9
};

/* ground type, m2 bits 4...5
 * valid densities (bits 6...7) in comments after the enum */
typedef enum TreeGround {
	TREE_GROUND_GRASS       = 0, // 0
	TREE_GROUND_ROUGH       = 1, // 0
	TREE_GROUND_SNOW_DESERT = 2  // 0-3 for snow, 3 for desert
} TreeGround;


static inline TreeType GetTreeType(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return (TreeType)_m[t].m3;
}


static inline TreeGround GetTreeGround(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return (TreeGround)GB(_m[t].m2, 4, 2);
}


static inline uint GetTreeDensity(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m2, 6, 2);
}


static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m2, 4, 2, g);
	SB(_m[t].m2, 6, 2, d);
}


static inline uint GetTreeCount(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m5, 6, 2);
}

static inline void AddTreeCount(TileIndex t, int c)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	_m[t].m5 += c << 6;
}

static inline void SetTreeCount(TileIndex t, uint c)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m5, 6, 2, c);
}


static inline uint GetTreeGrowth(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m5, 0, 3);
}

static inline void AddTreeGrowth(TileIndex t, int a)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	_m[t].m5 += a;
}

static inline void SetTreeGrowth(TileIndex t, uint g)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m5, 0, 3, g);
}


static inline uint GetTreeCounter(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m2, 0, 4);
}

static inline void AddTreeCounter(TileIndex t, int a)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	_m[t].m2 += a;
}

static inline void SetTreeCounter(TileIndex t, uint c)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m2, 0, 4, c);
}


static inline void MakeTree(TileIndex t, TreeType type, uint count, uint growth, TreeGround ground, uint density)
{
	SetTileType(t, MP_TREES);
	SetTileOwner(t, OWNER_NONE);
	_m[t].m2 = density << 6 | ground << 4 | 0;
	_m[t].m3 = type;
	_m[t].m4 = 0 << 5 | 0 << 2;
	_m[t].m5 = count << 6 | growth;
}

#endif /* TREE_MAP_H */