# engine_base.h

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    00001 /* $Id: engine_base.h 15645 2009-03-08 16:51:08Z frosch $ */
    00002
    00005 #ifndef ENGINE_BASE_H
    00006 #define ENGINE_BASE_H
    00007
    00008 #include "engine_type.h"
    00009 #include "economy_type.h"
    00010 #include "oldpool.h"
    00011 #include "core/smallvec_type.hpp"
    00012
    00013 DECLARE_OLD_POOL(Engine, Engine, 6, 10000)
    00014
    00015 struct Engine : PoolItem<Engine, EngineID, &_Engine_pool> {
    00016   char *name;
    00017   Date intro_date;
    00018   Date age;
    00019   uint16 reliability;
    00020   uint16 reliability_spd_dec;
    00021   uint16 reliability_start, reliability_max, reliability_final;
    00022   uint16 duration_phase_1, duration_phase_2, duration_phase_3;
    00023   byte lifelength;
    00024   byte flags;
    00025   uint8 preview_company_rank;
    00026   byte preview_wait;
    00027   CompanyMask company_avail;
    00028   uint8 image_index;
    00029   VehicleType type;
    00030
    00031   EngineInfo info;
    00032
    00033   union {
    00034     RailVehicleInfo rail;
    00035     RoadVehicleInfo road;
    00036     ShipVehicleInfo ship;
    00037     AircraftVehicleInfo air;
    00038   } u;
    00039
    00040   /* NewGRF related data */
    00041   const struct GRFFile *grffile;
    00042   const struct SpriteGroup *group[NUM_CARGO + 2];
    00043   uint16 internal_id;
    00044   uint16 overrides_count;
    00045   struct WagonOverride *overrides;
    00046   uint16 list_position;
    00047
    00048   Engine();
    00049   Engine(VehicleType type, EngineID base);
    00050   ~Engine();
    00051
    00052   inline bool IsValid() const { return this->info.climates != 0; }
    00053
    00054   CargoID GetDefaultCargoType() const;
    00055   bool CanCarryCargo() const;
    00056   Money GetRunningCost() const;
    00057   Money GetCost() const;
    00058   uint GetDisplayMaxSpeed() const;
    00059   uint GetPower() const;
    00060   uint GetDisplayWeight() const;
    00061   uint GetDisplayMaxTractiveEffort() const;
    00062 };
    00063
    00064 struct EngineIDMapping {
    00065   uint32 grfid;
    00066   uint16 internal_id;
    00067   VehicleTypeByte type;
    00068   uint8  substitute_id;
    00069 };
    00070
    00075 struct EngineOverrideManager : SmallVector<EngineIDMapping, 256> {
    00076   static const uint NUM_DEFAULT_ENGINES;
    00077
    00078   void ResetToDefaultMapping();
    00079   EngineID GetID(VehicleType type, uint16 grf_local_id, uint32 grfid);
    00080 };
    00081
    00082 extern EngineOverrideManager _engine_mngr;
    00083
    00084 static inline bool IsEngineIndex(uint index)
    00085 {
    00086   return index < GetEnginePoolSize();
    00087 }
    00088
    00089 #define FOR_ALL_ENGINES_FROM(e, start) for (e = GetEngine(start); e != NULL; e = (e->index + 1U < GetEnginePoolSize()) ? GetEngine(e->index + 1U) : NULL) if (e->IsValid())
    00090 #define FOR_ALL_ENGINES(e) FOR_ALL_ENGINES_FROM(e, 0)
    00091
    00092 #define FOR_ALL_ENGINES_OF_TYPE(e, engine_type) FOR_ALL_ENGINES(e) if (e->type == engine_type)
    00093
    00094 static inline const EngineInfo *EngInfo(EngineID e)
    00095 {
    00096   return &GetEngine(e)->info;
    00097 }
    00098
    00099 static inline const RailVehicleInfo *RailVehInfo(EngineID e)
    00100 {
    00101   return &GetEngine(e)->u.rail;
    00102 }
    00103
    00104 static inline const RoadVehicleInfo *RoadVehInfo(EngineID e)
    00105 {
    00106   return &GetEngine(e)->u.road;
    00107 }
    00108
    00109 static inline const ShipVehicleInfo *ShipVehInfo(EngineID e)
    00110 {
    00111   return &GetEngine(e)->u.ship;
    00112 }
    00113
    00114 static inline const AircraftVehicleInfo *AircraftVehInfo(EngineID e)
    00115 {
    00116   return &GetEngine(e)->u.air;
    00117 }
    00118
    00119 #endif /* ENGINE_TYPE_H */