summaryrefslogtreecommitdiff
path: root/src/station_base.h
blob: eed0a72538dc1caba377e09c2db2b9a3efed4854 (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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
/* $Id$ */

/** @file station_base.h Base classes/functions for stations. */

#ifndef STATION_BASE_H
#define STATION_BASE_H

#include "station_type.h"
#include "airport.h"
#include "oldpool.h"
#include "cargopacket.h"
#include "cargo_type.h"
#include "town_type.h"
#include "strings_type.h"
#include "date_type.h"
#include "vehicle_type.h"
#include "player_type.h"
#include "core/geometry_type.hpp"
#include <list>

DECLARE_OLD_POOL(Station, Station, 6, 1000)
DECLARE_OLD_POOL(RoadStop, RoadStop, 5, 2000)

static const byte INITIAL_STATION_RATING = 175;

struct GoodsEntry {
	enum AcceptancePickup {
		ACCEPTANCE,
		PICKUP
	};

	GoodsEntry() :
		acceptance_pickup(0),
		days_since_pickup(255),
		rating(INITIAL_STATION_RATING),
		last_speed(0),
		last_age(255)
	{}

	byte acceptance_pickup;
	byte days_since_pickup;
	byte rating;
	byte last_speed;
	byte last_age;
	CargoList cargo; ///< The cargo packets of cargo waiting in this station
};

/** A Stop for a Road Vehicle */
struct RoadStop : PoolItem<RoadStop, RoadStopID, &_RoadStop_pool> {
	static const int  cDebugCtorLevel =  5;  ///< Debug level on which Contructor / Destructor messages are printed
	static const uint LIMIT           = 16;  ///< The maximum amount of roadstops that are allowed at a single station
	static const uint MAX_BAY_COUNT   =  2;  ///< The maximum number of loading bays

	TileIndex        xy;                    ///< Position on the map
	byte             status;                ///< Current status of the Stop. Like which spot is taken. Access using *Bay and *Busy functions.
	byte             num_vehicles;          ///< Number of vehicles currently slotted to this stop
	struct RoadStop  *next;                 ///< Next stop of the given type at this station

	RoadStop(TileIndex tile = 0);
	virtual ~RoadStop();

	/**
	 * Determines whether a road stop exists
	 * @return true if and only is the road stop exists
	 */
	inline bool IsValid() const { return this->xy != 0; }

	/* For accessing status */
	bool HasFreeBay() const;
	bool IsFreeBay(uint nr) const;
	uint AllocateBay();
	void AllocateDriveThroughBay(uint nr);
	void FreeBay(uint nr);
	bool IsEntranceBusy() const;
	void SetEntranceBusy(bool busy);

	RoadStop *GetNextRoadStop(const Vehicle *v) const;
};

struct StationSpecList {
	const StationSpec *spec;
	uint32 grfid;      ///< GRF ID of this custom station
	uint8  localidx;   ///< Station ID within GRF of station
};

/** StationRect - used to track station spread out rectangle - cheaper than scanning whole map */
struct StationRect : public Rect {
	enum StationRectMode
	{
		ADD_TEST = 0,
		ADD_TRY,
		ADD_FORCE
	};

	StationRect();
	void MakeEmpty();
	bool PtInExtendedRect(int x, int y, int distance = 0) const;
	bool IsEmpty() const;
	bool BeforeAddTile(TileIndex tile, StationRectMode mode);
	bool BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode);
	bool AfterRemoveTile(Station *st, TileIndex tile);
	bool AfterRemoveRect(Station *st, TileIndex tile, int w, int h);

	static bool ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a);

	StationRect& operator = (Rect src);
};

struct Station : PoolItem<Station, StationID, &_Station_pool> {
public:
	RoadStop *GetPrimaryRoadStop(RoadStopType type) const
	{
		return type == ROADSTOP_BUS ? bus_stops : truck_stops;
	}

	RoadStop *GetPrimaryRoadStop(const Vehicle *v) const;

	const AirportFTAClass *Airport() const
	{
		if (airport_tile == 0) return GetAirport(AT_DUMMY);
		return GetAirport(airport_type);
	}

	TileIndex xy;
	RoadStop *bus_stops;
	RoadStop *truck_stops;
	TileIndex train_tile;
	TileIndex airport_tile;
	TileIndex dock_tile;
	Town *town;
	StringID string_id;     ///< Default name (town area) of station
	char *name;             ///< Custom name

	ViewportSign sign;

	uint16 had_vehicle_of_type;

	byte time_since_load;
	byte time_since_unload;
	byte delete_ctr;
	PlayerByte owner;
	byte facilities;
	byte airport_type;

	/* trainstation width/height */
	byte trainst_w, trainst_h;

	/** List of custom stations (StationSpecs) allocated to the station */
	uint8 num_specs;
	StationSpecList *speclist;

	Date build_date;

	uint64 airport_flags;   ///< stores which blocks on the airport are taken. was 16 bit earlier on, then 32

	byte last_vehicle_type;
	std::list<Vehicle *> loading_vehicles;
	GoodsEntry goods[NUM_CARGO];

	uint16 random_bits;
	byte waiting_triggers;

	StationRect rect; ///< Station spread out rectangle (not saved) maintained by StationRect_xxx() functions

	static const int cDebugCtorLevel = 5;

	Station(TileIndex tile = 0);
	virtual ~Station();

	void AddFacility(byte new_facility_bit, TileIndex facil_xy);

	/**
	 * Mark the sign of a station dirty for repaint.
	 *
	 * @ingroup dirty
	 */
	void MarkDirty() const;

	/**
	 * Marks the tiles of the station as dirty.
	 *
	 * @ingroup dirty
	 */
	void MarkTilesDirty(bool cargo_change) const;
	bool TileBelongsToRailStation(TileIndex tile) const;
	uint GetPlatformLength(TileIndex tile, DiagDirection dir) const;
	uint GetPlatformLength(TileIndex tile) const;
	bool IsBuoy() const;

	/**
	 * Determines whether a station exists
	 * @return true if and only is the station exists
	 */
	inline bool IsValid() const { return this->xy != 0; }
};

static inline StationID GetMaxStationIndex()
{
	/* TODO - This isn't the real content of the function, but
	 *  with the new pool-system this will be replaced with one that
	 *  _really_ returns the highest index. Now it just returns
	 *  the next safe value we are sure about everything is below.
	 */
	return GetStationPoolSize() - 1;
}

static inline uint GetNumStations()
{
	return GetStationPoolSize();
}

static inline bool IsValidStationID(StationID index)
{
	return index < GetStationPoolSize() && GetStation(index)->IsValid();
}

#define FOR_ALL_STATIONS_FROM(st, start) for (st = GetStation(start); st != NULL; st = (st->index + 1U < GetStationPoolSize()) ? GetStation(st->index + 1U) : NULL) if (st->IsValid())
#define FOR_ALL_STATIONS(st) FOR_ALL_STATIONS_FROM(st, 0)


/* Stuff for ROADSTOPS */

#define FOR_ALL_ROADSTOPS_FROM(rs, start) for (rs = GetRoadStop(start); rs != NULL; rs = (rs->index + 1U < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1U) : NULL) if (rs->IsValid())
#define FOR_ALL_ROADSTOPS(rs) FOR_ALL_ROADSTOPS_FROM(rs, 0)

/* End of stuff for ROADSTOPS */

#endif /* STATION_BASE_H */