roadveh.h
Go to the documentation of this file.00001
00002
00003
00004
00005
00006
00007
00008
00009
00012 #ifndef ROADVEH_H
00013 #define ROADVEH_H
00014
00015 #include "ground_vehicle.hpp"
00016 #include "engine_base.h"
00017 #include "cargotype.h"
00018 #include "track_func.h"
00019 #include "road_type.h"
00020 #include "newgrf_properties.h"
00021 #include "newgrf_engine.h"
00022
00023 struct RoadVehicle;
00024
00026 enum RoadVehicleStates {
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038
00039
00040 RVSB_IN_DEPOT = 0xFE,
00041 RVSB_WORMHOLE = 0xFF,
00042
00043
00044 RVS_USING_SECOND_BAY = 1,
00045 RVS_ENTERED_STOP = 2,
00046 RVS_DRIVE_SIDE = 4,
00047 RVS_IN_ROAD_STOP = 5,
00048 RVS_IN_DT_ROAD_STOP = 6,
00049
00050
00051 RVSB_IN_ROAD_STOP = 1 << RVS_IN_ROAD_STOP,
00052 RVSB_IN_ROAD_STOP_END = RVSB_IN_ROAD_STOP + TRACKDIR_END,
00053 RVSB_IN_DT_ROAD_STOP = 1 << RVS_IN_DT_ROAD_STOP,
00054 RVSB_IN_DT_ROAD_STOP_END = RVSB_IN_DT_ROAD_STOP + TRACKDIR_END,
00055
00056 RVSB_TRACKDIR_MASK = 0x0F,
00057 RVSB_ROAD_STOP_TRACKDIR_MASK = 0x09
00058 };
00059
00061 static const uint RDE_NEXT_TILE = 0x80;
00062 static const uint RDE_TURNED = 0x40;
00063
00064
00065
00066
00067
00068
00069 static const uint RVC_DEFAULT_START_FRAME = 0;
00070 static const uint RVC_TURN_AROUND_START_FRAME = 1;
00071 static const uint RVC_DEPOT_START_FRAME = 6;
00072 static const uint RVC_START_FRAME_AFTER_LONG_TRAM = 21;
00073 static const uint RVC_TURN_AROUND_START_FRAME_SHORT_TRAM = 16;
00074
00075 static const uint RVC_DRIVE_THROUGH_STOP_FRAME = 11;
00076 static const uint RVC_DEPOT_STOP_FRAME = 11;
00077
00078 void RoadVehUpdateCache(RoadVehicle *v);
00079
00083 struct RoadVehicle : public GroundVehicle<RoadVehicle, VEH_ROAD> {
00084 byte state;
00085 byte frame;
00086 uint16 blocked_ctr;
00087 byte overtaking;
00088 byte overtaking_ctr;
00089 uint16 crashed_ctr;
00090 byte reverse_ctr;
00091
00092 RoadType roadtype;
00093 RoadTypes compatible_roadtypes;
00094
00096 RoadVehicle() : GroundVehicle<RoadVehicle, VEH_ROAD>() {}
00098 virtual ~RoadVehicle() { this->PreDestructor(); }
00099
00100 friend struct GroundVehicle<RoadVehicle, VEH_ROAD>;
00101
00102 const char *GetTypeString() const { return "road vehicle"; }
00103 void MarkDirty();
00104 void UpdateDeltaXY(Direction direction);
00105 ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_ROADVEH_INC : EXPENSES_ROADVEH_RUN; }
00106 bool IsPrimaryVehicle() const { return this->IsFrontEngine(); }
00107 SpriteID GetImage(Direction direction) const;
00108 int GetDisplaySpeed() const { return this->cur_speed / 2; }
00109 int GetDisplayMaxSpeed() const { return this->vcache.cached_max_speed / 2; }
00110 Money GetRunningCost() const;
00111 int GetDisplayImageWidth(Point *offset = NULL) const;
00112 bool IsInDepot() const { return this->state == RVSB_IN_DEPOT; }
00113 bool IsStoppedInDepot() const;
00114 bool Tick();
00115 void OnNewDay();
00116 uint Crash(bool flooded = false);
00117 Trackdir GetVehicleTrackdir() const;
00118 TileIndex GetOrderStationLocation(StationID station);
00119 bool FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse);
00120
00121 bool IsBus() const;
00122
00123 int GetCurrentMaxSpeed() const;
00124
00125 protected:
00126
00131 FORCEINLINE uint16 GetPower() const
00132 {
00133
00134 if (!this->IsArticulatedPart()) {
00135
00136 return 10 * GetVehicleProperty(this, PROP_ROADVEH_POWER, RoadVehInfo(this->engine_type)->power);
00137 }
00138 return 0;
00139 }
00140
00145 FORCEINLINE uint16 GetPoweredPartPower(const RoadVehicle *head) const
00146 {
00147 return 0;
00148 }
00149
00154 FORCEINLINE uint16 GetWeight() const
00155 {
00156 uint16 weight = (CargoSpec::Get(this->cargo_type)->weight * this->cargo.Count()) / 16;
00157
00158
00159 if (!this->IsArticulatedPart()) {
00160
00161 weight += GetVehicleProperty(this, PROP_ROADVEH_WEIGHT, RoadVehInfo(this->engine_type)->weight) / 4;
00162 }
00163
00164 return weight;
00165 }
00166
00171 FORCEINLINE byte GetTractiveEffort() const
00172 {
00173
00174 return GetVehicleProperty(this, PROP_ROADVEH_TRACTIVE_EFFORT, RoadVehInfo(this->engine_type)->tractive_effort);
00175 }
00176
00181 FORCEINLINE byte GetAirDragArea() const
00182 {
00183 return 6;
00184 }
00185
00190 FORCEINLINE byte GetAirDrag() const
00191 {
00192 return RoadVehInfo(this->engine_type)->air_drag;
00193 }
00194
00199 FORCEINLINE AccelStatus GetAccelerationStatus() const
00200 {
00201 return (this->vehstatus & VS_STOPPED) ? AS_BRAKE : AS_ACCEL;
00202 }
00203
00208 FORCEINLINE uint16 GetCurrentSpeed() const
00209 {
00210 return this->cur_speed / 2;
00211 }
00212
00217 FORCEINLINE uint32 GetRollingFriction() const
00218 {
00219
00220
00221 uint32 coeff = (this->roadtype == ROADTYPE_TRAM) ? 40 : 75;
00222
00223
00224 return coeff * (128 + this->GetCurrentSpeed()) / 128;
00225 }
00226
00231 FORCEINLINE int GetAccelerationType() const
00232 {
00233 return 0;
00234 }
00235
00240 FORCEINLINE uint32 GetSlopeSteepness() const
00241 {
00242 return _settings_game.vehicle.roadveh_slope_steepness;
00243 }
00244
00249 FORCEINLINE uint16 GetMaxTrackSpeed() const
00250 {
00251 return 0;
00252 }
00253
00258 FORCEINLINE bool TileMayHaveSlopedTrack() const
00259 {
00260 TrackStatus ts = GetTileTrackStatus(this->tile, TRANSPORT_ROAD, this->compatible_roadtypes);
00261 TrackBits trackbits = TrackStatusToTrackBits(ts);
00262
00263 return trackbits == TRACK_BIT_X || trackbits == TRACK_BIT_Y;
00264 }
00265 };
00266
00267 #define FOR_ALL_ROADVEHICLES(var) FOR_ALL_VEHICLES_OF_TYPE(RoadVehicle, var)
00268
00269 #endif