1 #ifndef WAYPOINT_H

     2 #define WAYPOINT_H

     3 

     4 #include "pool.h"

     5 

     6 struct Waypoint {

     7 	TileIndex xy;

     8 	uint16 index;

     9 

    10 	uint16 town_index;

    11 	byte town_cn;          // The Nth waypoint for this town (consecutive number)

    12 	StringID string;       // If this is zero, town + town_cn is used for naming

    13 

    14 	ViewportSign sign;

    15 	uint16 build_date;

    16 	byte stat_id;

    17 	byte deleted;          // this is a delete counter. when it reaches 0, the waypoint struct is deleted.

    18 };

    19 

    20 enum {

    21 	RAIL_TYPE_WAYPOINT = 0xC4,

    22 	RAIL_WAYPOINT_TRACK_MASK = 1,

    23 };

    24 

    25 extern MemoryPool _waypoint_pool;

    26 

    27 /**

    28  * Get the pointer to the waypoint with index 'index'

    29  */

    30 static inline Waypoint *GetWaypoint(uint index)

    31 {

    32 	return (Waypoint*)GetItemFromPool(&_waypoint_pool, index);

    33 }

    34 

    35 /**

    36  * Get the current size of the WaypointPool

    37  */

    38 static inline uint16 GetWaypointPoolSize(void)

    39 {

    40 	return _waypoint_pool.total_items;

    41 }

    42 

    43 #define FOR_ALL_WAYPOINTS_FROM(wp, start) for (wp = GetWaypoint(start); wp != NULL; wp = (wp->index + 1 < GetWaypointPoolSize()) ? GetWaypoint(wp->index + 1) : NULL)

    44 #define FOR_ALL_WAYPOINTS(wp) FOR_ALL_WAYPOINTS_FROM(wp, 0)

    45 

    46 static inline bool IsRailWaypoint(byte m5)

    47 {

    48 	return (m5 & 0xFC) == 0xC4;

    49 }

    50 

    51 int32 RemoveTrainWaypoint(uint tile, uint32 flags, bool justremove);

    52 Station *ComposeWaypointStation(uint tile);

    53 Waypoint *GetWaypointByTile(TileIndex tile);

    54 void ShowRenameWaypointWindow(Waypoint *cp);

    55 void DrawWaypointSprite(int x, int y, int image, int railtype);

    56 void UpdateWaypointSign(Waypoint *cp);

    57 void FixOldWaypoints(void);

    58 void UpdateAllWaypointSigns(void);

    59 

    60 #endif /* WAYPOINT_H */