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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file newgrf_airport.h NewGRF handling of airports. */
#ifndef NEWGRF_AIRPORT_H
#define NEWGRF_AIRPORT_H
#include "airport.h"
#include "date_type.h"
#include "newgrf_class.h"
#include "newgrf_commons.h"
#include "tilearea_type.h"
/** Copy from station_map.h */
typedef byte StationGfx;
/** Tile-offset / AirportTileID pair. */
struct AirportTileTable {
TileIndexDiffC ti; ///< Tile offset from the top-most airport tile.
StationGfx gfx; ///< AirportTile to use for this tile.
};
/** Iterator to iterate over all tiles belonging to an airport spec. */
class AirportTileTableIterator : public TileIterator {
private:
const AirportTileTable *att; ///< The offsets.
TileIndex base_tile; ///< The tile we base the offsets off.
public:
/**
* Construct the iterator.
* @param att The TileTable we want to iterate over.
* @param base_tile The basetile for all offsets.
*/
AirportTileTableIterator(const AirportTileTable *att, TileIndex base_tile) : TileIterator(base_tile + ToTileIndexDiff(att->ti)), att(att), base_tile(base_tile)
{
}
inline TileIterator& operator ++()
{
this->att++;
if (this->att->ti.x == -0x80) {
this->tile = INVALID_TILE;
} else {
this->tile = this->base_tile + ToTileIndexDiff(this->att->ti);
}
return *this;
}
/** Get the StationGfx for the current tile. */
StationGfx GetStationGfx() const
{
return this->att->gfx;
}
virtual AirportTileTableIterator *Clone() const
{
return new AirportTileTableIterator(*this);
}
};
/** List of default airport classes. */
enum AirportClassID {
APC_BEGIN = 0, ///< Lowest valid airport class id
APC_SMALL = 0, ///< id for small airports class
APC_LARGE, ///< id for large airports class
APC_HUB, ///< id for hub airports class
APC_HELIPORT, ///< id for heliports
APC_MAX = 16, ///< maximum number of airport classes
};
/** Allow incrementing of AirportClassID variables */
DECLARE_POSTFIX_INCREMENT(AirportClassID)
/** TTDP airport types. Used to map our types to TTDPatch's */
enum TTDPAirportType {
ATP_TTDP_SMALL, ///< Same as AT_SMALL
ATP_TTDP_LARGE, ///< Same as AT_LARGE
ATP_TTDP_HELIPORT, ///< Same as AT_HELIPORT
ATP_TTDP_OILRIG, ///< Same as AT_OILRIG
};
/** A list of all hangar tiles in an airport */
struct HangarTileTable {
TileIndexDiffC ti; ///< Tile offset from the top-most airport tile.
Direction dir; ///< Direction of the exit.
byte hangar_num; ///< The hanger to which this tile belongs.
};
/**
* Defines the data structure for an airport.
*/
struct AirportSpec {
const struct AirportFTAClass *fsm; ///< the finite statemachine for the default airports
const AirportTileTable * const *table; ///< list of the tiles composing the airport
Direction *rotation; ///< the rotation of each tiletable
byte num_table; ///< number of elements in the table
const HangarTileTable *depot_table; ///< gives the position of the depots on the airports
byte nof_depots; ///< the number of hangar tiles in this airport
byte size_x; ///< size of airport in x direction
byte size_y; ///< size of airport in y direction
byte noise_level; ///< noise that this airport generates
byte catchment; ///< catchment area of this airport
Year min_year; ///< first year the airport is available
Year max_year; ///< last year the airport is available
StringID name; ///< name of this airport
TTDPAirportType ttd_airport_type; ///< ttdpatch airport type (Small/Large/Helipad/Oilrig)
AirportClassID cls_id; ///< the class to which this airport type belongs
SpriteID preview_sprite; ///< preview sprite for this airport
uint16 maintenance_cost; ///< maintenance cost multiplier
/* Newgrf data */
bool enabled; ///< Entity still available (by default true). Newgrf can disable it, though.
struct GRFFileProps grf_prop; ///< Properties related to the grf file.
static const AirportSpec *Get(byte type);
static AirportSpec *GetWithoutOverride(byte type);
bool IsAvailable() const;
static void ResetAirports();
/** Get the index of this spec. */
byte GetIndex() const
{
assert(this >= specs && this < endof(specs));
return (byte)(this - specs);
}
static AirportSpec dummy; ///< The dummy airport.
private:
static AirportSpec specs[NUM_AIRPORTS]; ///< Specs of the airports.
};
/** Information related to airport classes. */
typedef NewGRFClass<AirportSpec, AirportClassID, APC_MAX> AirportClass;
void BindAirportSpecs();
StringID GetAirportTextCallback(const AirportSpec *as, byte layout, uint16 callback);
#endif /* NEWGRF_AIRPORT_H */
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