1

/* $Id$ */

     2

     3

#ifndef TREE_MAP_H

     4

#define TREE_MAP_H

     5

     6

#include "macros.h"

     7

     8

enum TreeType {

     9

	TREE_INVALID      = -1,

    10

	TREE_TEMPERATE    = 0,

    11

	TREE_SUB_ARCTIC   = 12,

    12

	TREE_RAINFOREST   = 20,

    13

	TREE_CACTUS       = 27,

    14

	TREE_SUB_TROPICAL = 28,

    15

	TREE_TOYLAND      = 32

    16

};

    17

    18

enum {

    19

	TREE_COUNT_TEMPERATE    = TREE_SUB_ARCTIC   - TREE_TEMPERATE,

    20

	TREE_COUNT_SUB_ARCTIC   = TREE_RAINFOREST   - TREE_SUB_ARCTIC,

    21

	TREE_COUNT_RAINFOREST   = TREE_CACTUS       - TREE_RAINFOREST,

    22

	TREE_COUNT_SUB_TROPICAL = TREE_SUB_TROPICAL - TREE_CACTUS,

    23

	TREE_COUNT_TOYLAND      = 9

    24

};

    25

    26

/* ground type, m2 bits 4...5

    27

 * valid densities (bits 6...7) in comments after the enum */

    28

enum TreeGround {

    29

	TREE_GROUND_GRASS       = 0, // 0

    30

	TREE_GROUND_ROUGH       = 1, // 0

    31

	TREE_GROUND_SNOW_DESERT = 2  // 0-3 for snow, 3 for desert

    32

};

    33

    34

    35

static inline TreeType GetTreeType(TileIndex t)

    36

{

    37

	assert(IsTileType(t, MP_TREES));

    38

	return (TreeType)_m[t].m3;

    39

}

    40

    41

    42

static inline TreeGround GetTreeGround(TileIndex t)

    43

{

    44

	assert(IsTileType(t, MP_TREES));

    45

	return (TreeGround)GB(_m[t].m2, 4, 2);

    46

}

    47

    48

    49

static inline uint GetTreeDensity(TileIndex t)

    50

{

    51

	assert(IsTileType(t, MP_TREES));

    52

	return GB(_m[t].m2, 6, 2);

    53

}

    54

    55

    56

static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)

    57

{

    58

	assert(IsTileType(t, MP_TREES)); // XXX incomplete

    59

	SB(_m[t].m2, 4, 2, g);

    60

	SB(_m[t].m2, 6, 2, d);

    61

}

    62

    63

    64

static inline uint GetTreeCount(TileIndex t)

    65

{

    66

	assert(IsTileType(t, MP_TREES));

    67

	return GB(_m[t].m5, 6, 2);

    68

}

    69

    70

static inline void AddTreeCount(TileIndex t, int c)

    71

{

    72

	assert(IsTileType(t, MP_TREES)); // XXX incomplete

    73

	_m[t].m5 += c << 6;

    74

}

    75

    76

static inline void SetTreeCount(TileIndex t, uint c)

    77

{

    78

	assert(IsTileType(t, MP_TREES)); // XXX incomplete

    79

	SB(_m[t].m5, 6, 2, c);

    80

}

    81

    82

    83

static inline uint GetTreeGrowth(TileIndex t)

    84

{

    85

	assert(IsTileType(t, MP_TREES));

    86

	return GB(_m[t].m5, 0, 3);

    87

}

    88

    89

static inline void AddTreeGrowth(TileIndex t, int a)

    90

{

    91

	assert(IsTileType(t, MP_TREES)); // XXX incomplete

    92

	_m[t].m5 += a;

    93

}

    94

    95

static inline void SetTreeGrowth(TileIndex t, uint g)

    96

{

    97

	assert(IsTileType(t, MP_TREES)); // XXX incomplete

    98

	SB(_m[t].m5, 0, 3, g);

    99

}

   100

   101

   102

static inline uint GetTreeCounter(TileIndex t)

   103

{

   104

	assert(IsTileType(t, MP_TREES));

   105

	return GB(_m[t].m2, 0, 4);

   106

}

   107

   108

static inline void AddTreeCounter(TileIndex t, int a)

   109

{

   110

	assert(IsTileType(t, MP_TREES)); // XXX incomplete

   111

	_m[t].m2 += a;

   112

}

   113

   114

static inline void SetTreeCounter(TileIndex t, uint c)

   115

{

   116

	assert(IsTileType(t, MP_TREES)); // XXX incomplete

   117

	SB(_m[t].m2, 0, 4, c);

   118

}

   119

   120

   121

static inline void MakeTree(TileIndex t, TreeType type, uint count, uint growth, TreeGround ground, uint density)

   122

{

   123

	SetTileType(t, MP_TREES);

   124

	SetTileOwner(t, OWNER_NONE);

   125

	_m[t].m2 = density << 6 | ground << 4 | 0;

   126

	_m[t].m3 = type;

   127

	_m[t].m4 = 0 << 5 | 0 << 2;

   128

	_m[t].m5 = count << 6 | growth;

   129

}

   130

   131

#endif /* TREE_MAP_H */