newgrf_airport.h

Go to the documentation of this file.
00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #ifndef NEWGRF_AIRPORT_H
00013 #define NEWGRF_AIRPORT_H
00014 
00015 #include "airport.h"
00016 #include "date_type.h"
00017 #include "newgrf_class.h"
00018 #include "newgrf_commons.h"
00019 #include "tilearea_type.h"
00020 
00022 typedef byte StationGfx;
00023 
00025 struct AirportTileTable {
00026   TileIndexDiffC ti; 
00027   StationGfx gfx;    
00028 };
00029 
00031 class AirportTileTableIterator : public TileIterator {
00032 private:
00033   const AirportTileTable *att; 
00034   TileIndex base_tile;         
00035 
00036 public:
00042   AirportTileTableIterator(const AirportTileTable *att, TileIndex base_tile) : TileIterator(base_tile + ToTileIndexDiff(att->ti)), att(att), base_tile(base_tile)
00043   {
00044   }
00045 
00046   inline TileIterator& operator ++()
00047   {
00048     this->att++;
00049     if (this->att->ti.x == -0x80) {
00050       this->tile = INVALID_TILE;
00051     } else {
00052       this->tile = this->base_tile + ToTileIndexDiff(this->att->ti);
00053     }
00054     return *this;
00055   }
00056 
00058   StationGfx GetStationGfx() const
00059   {
00060     return this->att->gfx;
00061   }
00062 
00063   virtual AirportTileTableIterator *Clone() const
00064   {
00065     return new AirportTileTableIterator(*this);
00066   }
00067 };
00068 
00070 enum AirportClassID {
00071   APC_BEGIN     = 0,  
00072   APC_SMALL     = 0,  
00073   APC_LARGE,          
00074   APC_HUB,            
00075   APC_HELIPORT,       
00076   APC_MAX       = 16, 
00077 };
00078 
00080 DECLARE_POSTFIX_INCREMENT(AirportClassID)
00081 
00082 
00083 enum TTDPAirportType {
00084   ATP_TTDP_SMALL,    
00085   ATP_TTDP_LARGE,    
00086   ATP_TTDP_HELIPORT, 
00087   ATP_TTDP_OILRIG,   
00088 };
00089 
00091 struct HangarTileTable {
00092   TileIndexDiffC ti; 
00093   Direction dir;     
00094   byte hangar_num;   
00095 };
00096 
00100 struct AirportSpec {
00101   const struct AirportFTAClass *fsm;     
00102   const AirportTileTable * const *table; 
00103   Direction *rotation;                   
00104   byte num_table;                        
00105   const HangarTileTable *depot_table;    
00106   byte nof_depots;                       
00107   byte size_x;                           
00108   byte size_y;                           
00109   byte noise_level;                      
00110   byte catchment;                        
00111   Year min_year;                         
00112   Year max_year;                         
00113   StringID name;                         
00114   TTDPAirportType ttd_airport_type;      
00115   AirportClassID cls_id;                 
00116   SpriteID preview_sprite;               
00117   uint16 maintenance_cost;               
00118   /* Newgrf data */
00119   bool enabled;                          
00120   struct GRFFileProps grf_prop;          
00121 
00122   static const AirportSpec *Get(byte type);
00123   static AirportSpec *GetWithoutOverride(byte type);
00124 
00125   bool IsAvailable() const;
00126 
00127   static void ResetAirports();
00128 
00130   byte GetIndex() const
00131   {
00132     assert(this >= specs && this < endof(specs));
00133     return (byte)(this - specs);
00134   }
00135 
00136   static AirportSpec dummy; 
00137 
00138 private:
00139   static AirportSpec specs[NUM_AIRPORTS]; 
00140 };
00141 
00143 typedef NewGRFClass<AirportSpec, AirportClassID, APC_MAX> AirportClass;
00144 
00145 void BindAirportSpecs();
00146 
00147 StringID GetAirportTextCallback(const AirportSpec *as, byte layout, uint16 callback);
00148 
00149 #endif /* NEWGRF_AIRPORT_H */