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 } UnmovableType;

     9 

    10 

    11 static inline UnmovableType GetUnmovableType(TileIndex t)

    12 {

    13 	return _m[t].m5;

    14 }

    15 

    16 

    17 static inline bool IsTransmitterTile(TileIndex t)

    18 {

    19 	return

    20 		IsTileType(t, MP_UNMOVABLE) &&

    21 		GetUnmovableType(t) == UNMOVABLE_TRANSMITTER;

    22 }

    23 

    24 

    25 static inline bool IsOwnedLand(TileIndex t)

    26 {

    27 	return GetUnmovableType(t) == UNMOVABLE_OWNED_LAND;

    28 }

    29 

    30 static inline bool IsOwnedLandTile(TileIndex t)

    31 {

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

    33 }

    34 

    35 

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

    37 {

    38 	SetTileType(t, MP_UNMOVABLE);

    39 	SetTileOwner(t, o);

    40 	_m[t].m2 = 0;

    41 	_m[t].m3 = 0;

    42 	_m[t].m4 = 0;

    43 	_m[t].m5 = u;

    44 }

    45 

    46 

    47 static inline void MakeTransmitter(TileIndex t)

    48 {

    49 	MakeUnmovable(t, UNMOVABLE_TRANSMITTER, OWNER_NONE);

    50 }

    51 

    52 static inline void MakeLighthouse(TileIndex t)

    53 {

    54 	MakeUnmovable(t, UNMOVABLE_LIGHTHOUSE, OWNER_NONE);

    55 }

    56 

    57 static inline void MakeStatue(TileIndex t, Owner o)

    58 {

    59 	MakeUnmovable(t, UNMOVABLE_STATUE, o);

    60 }

    61 

    62 static inline void MakeOwnedLand(TileIndex t, Owner o)

    63 {

    64 	MakeUnmovable(t, UNMOVABLE_OWNED_LAND, o);

    65 }