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/* $Id$ */
/** @file waypoint.h Base of waypoints. */
#ifndef WAYPOINT_H
#define WAYPOINT_H
#include "waypoint_type.h"
#include "oldpool.h"
#include "rail_map.h"
#include "command_type.h"
#include "station_type.h"
#include "town_type.h"
#include "viewport_type.h"
DECLARE_OLD_POOL(Waypoint, Waypoint, 3, 8000)
struct Waypoint : PoolItem<Waypoint, WaypointID, &_Waypoint_pool> {
TileIndex xy; ///< Tile of waypoint
TownID town_index; ///< Town associated with the waypoint
uint16 town_cn; ///< The Nth waypoint for this town (consecutive number)
StringID string; ///< C000-C03F have special meaning in old games
char *name; ///< Custom name. If not set, town + town_cn is used for naming
ViewportSign sign; ///< Dimensions of sign (not saved)
Date build_date; ///< Date of construction
PlayerByte owner; ///< Whom this waypoint belongs to
byte stat_id; ///< ID of waypoint within the waypoint class (not saved)
uint32 grfid; ///< ID of GRF file
byte localidx; ///< Index of station within GRF file
byte deleted; ///< Delete counter. If greater than 0 then it is decremented until it reaches 0; the waypoint is then is deleted.
Waypoint(TileIndex tile = 0);
~Waypoint();
inline bool IsValid() const { return this->xy != 0; }
};
static inline bool IsValidWaypointID(WaypointID index)
{
return index < GetWaypointPoolSize() && GetWaypoint(index)->IsValid();
}
static inline void DeleteWaypoint(Waypoint *wp)
{
wp->~Waypoint();
}
#define FOR_ALL_WAYPOINTS_FROM(wp, start) for (wp = GetWaypoint(start); wp != NULL; wp = (wp->index + 1U < GetWaypointPoolSize()) ? GetWaypoint(wp->index + 1U) : NULL) if (wp->IsValid())
#define FOR_ALL_WAYPOINTS(wp) FOR_ALL_WAYPOINTS_FROM(wp, 0)
/**
* Fetch a waypoint by tile
* @param tile Tile of waypoint
* @return Waypoint
*/
static inline Waypoint *GetWaypointByTile(TileIndex tile)
{
assert(IsTileType(tile, MP_RAILWAY) && IsRailWaypoint(tile));
return GetWaypoint(GetWaypointIndex(tile));
}
CommandCost RemoveTrainWaypoint(TileIndex tile, uint32 flags, bool justremove);
Station *ComposeWaypointStation(TileIndex tile);
void ShowWaypointWindow(const Waypoint *wp);
void DrawWaypointSprite(int x, int y, int stat_id, RailType railtype);
void FixOldWaypoints();
void UpdateAllWaypointSigns();
void AfterLoadWaypoints();
#endif /* WAYPOINT_H */
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