1

/* $Id$ */

     2

     3

typedef enum UnmovableType {

     4

	UNMOVABLE_TRANSMITTER = 0,

     5

	UNMOVABLE_LIGHTHOUSE  = 1,

     6

	UNMOVABLE_STATUE      = 2,

     7

	UNMOVABLE_OWNED_LAND  = 3,

     8

	UNMOVABLE_HQ_NORTH    = 0x80,

     9

	UNMOVABLE_HQ_WEST     = 0x81,

    10

	UNMOVABLE_HQ_EAST     = 0x82,

    11

	UNMOVABLE_HQ_SOUTH    = 0x83,

    12

} UnmovableType;

    13

    14

    15

static inline UnmovableType GetUnmovableType(TileIndex t)

    16

{

    17

	assert(IsTileType(t, MP_UNMOVABLE));

    18

	return _m[t].m5;

    19

}

    20

    21

    22

static inline bool IsTransmitterTile(TileIndex t)

    23

{

    24

	return

    25

		IsTileType(t, MP_UNMOVABLE) &&

    26

		GetUnmovableType(t) == UNMOVABLE_TRANSMITTER;

    27

}

    28

    29

    30

static inline bool IsOwnedLand(TileIndex t)

    31

{

    32

	assert(IsTileType(t, MP_UNMOVABLE));

    33

	return GetUnmovableType(t) == UNMOVABLE_OWNED_LAND;

    34

}

    35

    36

static inline bool IsOwnedLandTile(TileIndex t)

    37

{

    38

	return IsTileType(t, MP_UNMOVABLE) && IsOwnedLand(t);

    39

}

    40

    41

    42

static inline void EnlargeCompanyHQ(TileIndex t, byte size)

    43

{

    44

	if (size <= _m[t].m5 - UNMOVABLE_HQ_NORTH) return;

    45

    46

	_m[t + TileDiffXY(0, 0)].m5 = UNMOVABLE_HQ_NORTH + size * 4;

    47

	_m[t + TileDiffXY(0, 1)].m5 = UNMOVABLE_HQ_WEST  + size * 4;

    48

	_m[t + TileDiffXY(1, 0)].m5 = UNMOVABLE_HQ_EAST  + size * 4;

    49

	_m[t + TileDiffXY(1, 1)].m5 = UNMOVABLE_HQ_SOUTH + size * 4;

    50

}

    51

    52

    53

static inline void MakeUnmovable(TileIndex t, UnmovableType u, Owner o)

    54

{

    55

	SetTileType(t, MP_UNMOVABLE);

    56

	SetTileOwner(t, o);

    57

	_m[t].m2 = 0;

    58

	_m[t].m3 = 0;

    59

	_m[t].m4 = 0;

    60

	_m[t].m5 = u;

    61

}

    62

    63

    64

static inline void MakeTransmitter(TileIndex t)

    65

{

    66

	MakeUnmovable(t, UNMOVABLE_TRANSMITTER, OWNER_NONE);

    67

}

    68

    69

static inline void MakeLighthouse(TileIndex t)

    70

{

    71

	MakeUnmovable(t, UNMOVABLE_LIGHTHOUSE, OWNER_NONE);

    72

}

    73

    74

static inline void MakeStatue(TileIndex t, Owner o)

    75

{

    76

	MakeUnmovable(t, UNMOVABLE_STATUE, o);

    77

}

    78

    79

static inline void MakeOwnedLand(TileIndex t, Owner o)

    80

{

    81

	MakeUnmovable(t, UNMOVABLE_OWNED_LAND, o);

    82

}

    83

    84

static inline void MakeCompanyHQ(TileIndex t, Owner o)

    85

{

    86

	MakeUnmovable(t + TileDiffXY(0, 0), UNMOVABLE_HQ_NORTH, o);

    87

	MakeUnmovable(t + TileDiffXY(0, 1), UNMOVABLE_HQ_WEST, o);

    88

	MakeUnmovable(t + TileDiffXY(1, 0), UNMOVABLE_HQ_EAST, o);

    89

	MakeUnmovable(t + TileDiffXY(1, 1), UNMOVABLE_HQ_SOUTH, o);

    90

}

    91