summaryrefslogtreecommitdiff
path: root/src/waypoint.h
blob: eedef025b44300064ff30e6de9b5c1da4b8c42fd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/* $Id$ */

/** @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"
#include "date_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
	OwnerByte 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 = INVALID_TILE);
	~Waypoint();

	inline bool IsValid() const { return this->xy != INVALID_TILE; }
};

#define FOR_ALL_WAYPOINTS_FROM(wp, start) for (wp = Waypoint::Get(start); wp != NULL; wp = (wp->index + 1U < Waypoint::GetPoolSize()) ? Waypoint::Get(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(IsRailWaypointTile(tile));
	return Waypoint::Get(GetWaypointIndex(tile));
}

CommandCost RemoveTrainWaypoint(TileIndex tile, DoCommandFlag flags, bool justremove);
Station *ComposeWaypointStation(TileIndex tile);
void ShowWaypointWindow(const Waypoint *wp);
void DrawWaypointSprite(int x, int y, int stat_id, RailType railtype);
void UpdateAllWaypointSigns();
void UpdateWaypointSign(Waypoint *wp);
void RedrawWaypointSign(const Waypoint *wp);

#endif /* WAYPOINT_H */