airport.h

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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 AIRPORT_H
00013 #define AIRPORT_H
00014 
00015 #include "direction_type.h"
00016 #include "tile_type.h"
00017 
00019 static const uint MAX_TERMINALS =   8;                       
00020 static const uint MAX_HELIPADS  =   3;                       
00021 static const uint MAX_ELEMENTS  = 255;                       
00022 
00023 static const uint NUM_AIRPORTTILES       = 256;              
00024 static const uint NEW_AIRPORTTILE_OFFSET = 74;               
00025 static const uint INVALID_AIRPORTTILE    = NUM_AIRPORTTILES; 
00026 
00028 enum AirportTypes {
00029   AT_SMALL           =   0, 
00030   AT_LARGE           =   1, 
00031   AT_HELIPORT        =   2, 
00032   AT_METROPOLITAN    =   3, 
00033   AT_INTERNATIONAL   =   4, 
00034   AT_COMMUTER        =   5, 
00035   AT_HELIDEPOT       =   6, 
00036   AT_INTERCON        =   7, 
00037   AT_HELISTATION     =   8, 
00038   AT_OILRIG          =   9, 
00039   NEW_AIRPORT_OFFSET =  10, 
00040   NUM_AIRPORTS       = 128, 
00041   AT_INVALID         = 254, 
00042   AT_DUMMY           = 255, 
00043 };
00044 
00046 enum AirportMovingDataFlags {
00047   AMED_NOSPDCLAMP = 1 << 0, 
00048   AMED_TAKEOFF    = 1 << 1, 
00049   AMED_SLOWTURN   = 1 << 2, 
00050   AMED_LAND       = 1 << 3, 
00051   AMED_EXACTPOS   = 1 << 4, 
00052   AMED_BRAKE      = 1 << 5, 
00053   AMED_HELI_RAISE = 1 << 6, 
00054   AMED_HELI_LOWER = 1 << 7, 
00055   AMED_HOLD       = 1 << 8  
00056 };
00057 
00059 enum AirportMovementStates {
00060   TO_ALL         =  0, 
00061   HANGAR         =  1, 
00062   TERM1          =  2, 
00063   TERM2          =  3, 
00064   TERM3          =  4, 
00065   TERM4          =  5, 
00066   TERM5          =  6, 
00067   TERM6          =  7, 
00068   HELIPAD1       =  8, 
00069   HELIPAD2       =  9, 
00070   TAKEOFF        = 10, 
00071   STARTTAKEOFF   = 11, 
00072   ENDTAKEOFF     = 12, 
00073   HELITAKEOFF    = 13, 
00074   FLYING         = 14, 
00075   LANDING        = 15, 
00076   ENDLANDING     = 16, 
00077   HELILANDING    = 17, 
00078   HELIENDLANDING = 18, 
00079   TERM7          = 19, 
00080   TERM8          = 20, 
00081   HELIPAD3       = 21, 
00082   MAX_HEADINGS   = 21, 
00083 };
00084 
00086 static const uint64
00087   TERM1_block              = 1ULL <<  0, 
00088   TERM2_block              = 1ULL <<  1, 
00089   TERM3_block              = 1ULL <<  2, 
00090   TERM4_block              = 1ULL <<  3, 
00091   TERM5_block              = 1ULL <<  4, 
00092   TERM6_block              = 1ULL <<  5, 
00093   HELIPAD1_block           = 1ULL <<  6, 
00094   HELIPAD2_block           = 1ULL <<  7, 
00095   RUNWAY_IN_OUT_block      = 1ULL <<  8,
00096   RUNWAY_IN_block          = 1ULL <<  8,
00097   AIRPORT_BUSY_block       = 1ULL <<  8,
00098   RUNWAY_OUT_block         = 1ULL <<  9,
00099   TAXIWAY_BUSY_block       = 1ULL << 10,
00100   OUT_WAY_block            = 1ULL << 11,
00101   IN_WAY_block             = 1ULL << 12,
00102   AIRPORT_ENTRANCE_block   = 1ULL << 13,
00103   TERM_GROUP1_block        = 1ULL << 14,
00104   TERM_GROUP2_block        = 1ULL << 15,
00105   HANGAR2_AREA_block       = 1ULL << 16,
00106   TERM_GROUP2_ENTER1_block = 1ULL << 17,
00107   TERM_GROUP2_ENTER2_block = 1ULL << 18,
00108   TERM_GROUP2_EXIT1_block  = 1ULL << 19,
00109   TERM_GROUP2_EXIT2_block  = 1ULL << 20,
00110   PRE_HELIPAD_block        = 1ULL << 21,
00111 
00112   /* blocks for new airports */
00113   TERM7_block              = 1ULL << 22, 
00114   TERM8_block              = 1ULL << 23, 
00115   HELIPAD3_block           = 1ULL << 24, 
00116   HANGAR1_AREA_block       = 1ULL << 26,
00117   OUT_WAY2_block           = 1ULL << 27,
00118   IN_WAY2_block            = 1ULL << 28,
00119   RUNWAY_IN2_block         = 1ULL << 29,
00120   RUNWAY_OUT2_block        = 1ULL << 10, 
00121   HELIPAD_GROUP_block      = 1ULL << 13, 
00122   OUT_WAY_block2           = 1ULL << 31,
00123   /* end of new blocks */
00124 
00125   NOTHING_block            = 1ULL << 30;
00126 
00128 struct AirportMovingData {
00129   int16 x;                 
00130   int16 y;                 
00131   uint16 flag;             
00132   DirectionByte direction; 
00133 };
00134 
00135 AirportMovingData RotateAirportMovingData(const AirportMovingData *orig, Direction rotation, uint num_tiles_x, uint num_tiles_y);
00136 
00137 struct AirportFTAbuildup;
00138 
00140 struct AirportFTAClass {
00141 public:
00143   enum Flags {
00144     AIRPLANES   = 0x1,                     
00145     HELICOPTERS = 0x2,                     
00146     ALL         = AIRPLANES | HELICOPTERS, 
00147     SHORT_STRIP = 0x4                      
00148   };
00149 
00150   AirportFTAClass(
00151     const AirportMovingData *moving_data,
00152     const byte *terminals,
00153     const byte num_helipads,
00154     const byte *entry_points,
00155     Flags flags,
00156     const AirportFTAbuildup *apFA,
00157     byte delta_z
00158   );
00159 
00160   ~AirportFTAClass();
00161 
00167   const AirportMovingData *MovingData(byte position) const
00168   {
00169     assert(position < nofelements);
00170     return &moving_data[position];
00171   }
00172 
00173   const AirportMovingData *moving_data; 
00174   struct AirportFTA *layout;            
00175   const byte *terminals;                
00176   const byte num_helipads;              
00177   Flags flags;                          
00178   byte nofelements;                     
00179   const byte *entry_points;             
00180   byte delta_z;                         
00181 };
00182 
00183 DECLARE_ENUM_AS_BIT_SET(AirportFTAClass::Flags)
00184 
00185 
00186 
00187 struct AirportFTA {
00188   AirportFTA *next;        
00189   uint64 block;            
00190   byte position;           
00191   byte next_position;      
00192   byte heading;            
00193 };
00194 
00195 const AirportFTAClass *GetAirport(const byte airport_type);
00196 byte GetVehiclePosOnBuild(TileIndex hangar_tile);
00197 
00198 #endif /* AIRPORT_H */

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