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00012 #ifndef VEHICLE_FUNC_H
00013 #define VEHICLE_FUNC_H
00014
00015 #include "gfx_type.h"
00016 #include "direction_type.h"
00017 #include "command_type.h"
00018 #include "vehicle_type.h"
00019 #include "engine_type.h"
00020 #include "transport_type.h"
00021 #include "newgrf_config.h"
00022 #include "track_type.h"
00023 #include "livery.h"
00024 #include "cargotype.h"
00025
00026 #define is_custom_sprite(x) (x >= 0xFD)
00027 #define IS_CUSTOM_FIRSTHEAD_SPRITE(x) (x == 0xFD)
00028 #define IS_CUSTOM_SECONDHEAD_SPRITE(x) (x == 0xFE)
00029
00030 static const int VEHICLE_PROFIT_MIN_AGE = DAYS_IN_YEAR * 2;
00031 static const Money VEHICLE_PROFIT_THRESHOLD = 10000;
00032
00033 typedef Vehicle *VehicleFromPosProc(Vehicle *v, void *data);
00034
00035 void VehicleServiceInDepot(Vehicle *v);
00036 uint CountVehiclesInChain(const Vehicle *v);
00037 void FindVehicleOnPos(TileIndex tile, void *data, VehicleFromPosProc *proc);
00038 void FindVehicleOnPosXY(int x, int y, void *data, VehicleFromPosProc *proc);
00039 bool HasVehicleOnPos(TileIndex tile, void *data, VehicleFromPosProc *proc);
00040 bool HasVehicleOnPosXY(int x, int y, void *data, VehicleFromPosProc *proc);
00041 void CallVehicleTicks();
00042 uint8 CalcPercentVehicleFilled(const Vehicle *v, StringID *colour);
00043
00044 void VehicleLengthChanged(const Vehicle *u);
00045
00046 byte VehicleRandomBits();
00047 void ResetVehicleHash();
00048 void ResetVehicleColourMap();
00049
00050 byte GetBestFittingSubType(Vehicle *v_from, Vehicle *v_for, CargoID dest_cargo_type);
00051
00052 void ViewportAddVehicles(DrawPixelInfo *dpi);
00053
00054 void ShowNewGrfVehicleError(EngineID engine, StringID part1, StringID part2, GRFBugs bug_type, bool critical);
00055 CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore = NULL);
00056
00057 void DecreaseVehicleValue(Vehicle *v);
00058 void CheckVehicleBreakdown(Vehicle *v);
00059 void AgeVehicle(Vehicle *v);
00060 void VehicleEnteredDepotThisTick(Vehicle *v);
00061
00062 void VehicleUpdatePosition(Vehicle *v);
00063 void VehicleUpdateViewport(Vehicle *v, bool dirty);
00064 void VehicleUpdatePositionAndViewport(Vehicle *v);
00065 void MarkSingleVehicleDirty(const Vehicle *v);
00066
00067 UnitID GetFreeUnitNumber(VehicleType type);
00068
00069 void VehicleEnterDepot(Vehicle *v);
00070
00071 bool CanBuildVehicleInfrastructure(VehicleType type);
00072
00074 struct GetNewVehiclePosResult {
00075 int x, y;
00076 TileIndex old_tile;
00077 TileIndex new_tile;
00078 };
00079
00080 GetNewVehiclePosResult GetNewVehiclePos(const Vehicle *v);
00081 Direction GetDirectionTowards(const Vehicle *v, int x, int y);
00082
00088 static inline bool IsCompanyBuildableVehicleType(VehicleType type)
00089 {
00090 switch (type) {
00091 case VEH_TRAIN:
00092 case VEH_ROAD:
00093 case VEH_SHIP:
00094 case VEH_AIRCRAFT:
00095 return true;
00096
00097 default: return false;
00098 }
00099 }
00100
00106 static inline bool IsCompanyBuildableVehicleType(const BaseVehicle *v)
00107 {
00108 return IsCompanyBuildableVehicleType(v->type);
00109 }
00110
00111 LiveryScheme GetEngineLiveryScheme(EngineID engine_type, EngineID parent_engine_type, const Vehicle *v);
00112 const struct Livery *GetEngineLivery(EngineID engine_type, CompanyID company, EngineID parent_engine_type, const Vehicle *v, byte livery_setting);
00113
00114 SpriteID GetEnginePalette(EngineID engine_type, CompanyID company);
00115 SpriteID GetVehiclePalette(const Vehicle *v);
00116
00117 extern const uint32 _veh_build_proc_table[];
00118 extern const uint32 _veh_sell_proc_table[];
00119 extern const uint32 _veh_refit_proc_table[];
00120 extern const uint32 _send_to_depot_proc_table[];
00121
00122
00123 static inline uint32 GetCmdBuildVeh(VehicleType type)
00124 {
00125 return _veh_build_proc_table[type];
00126 }
00127
00128 static inline uint32 GetCmdBuildVeh(const BaseVehicle *v)
00129 {
00130 return GetCmdBuildVeh(v->type);
00131 }
00132
00133 static inline uint32 GetCmdSellVeh(VehicleType type)
00134 {
00135 return _veh_sell_proc_table[type];
00136 }
00137
00138 static inline uint32 GetCmdSellVeh(const BaseVehicle *v)
00139 {
00140 return GetCmdSellVeh(v->type);
00141 }
00142
00143 static inline uint32 GetCmdRefitVeh(VehicleType type)
00144 {
00145 return _veh_refit_proc_table[type];
00146 }
00147
00148 static inline uint32 GetCmdRefitVeh(const BaseVehicle *v)
00149 {
00150 return GetCmdRefitVeh(v->type);
00151 }
00152
00153 static inline uint32 GetCmdSendToDepot(VehicleType type)
00154 {
00155 return _send_to_depot_proc_table[type];
00156 }
00157
00158 static inline uint32 GetCmdSendToDepot(const BaseVehicle *v)
00159 {
00160 return GetCmdSendToDepot(v->type);
00161 }
00162
00163 CommandCost EnsureNoVehicleOnGround(TileIndex tile);
00164 CommandCost EnsureNoTrainOnTrackBits(TileIndex tile, TrackBits track_bits);
00165
00166 extern VehicleID _new_vehicle_id;
00167 extern uint16 _returned_refit_capacity;
00168 extern uint16 _returned_mail_refit_capacity;
00169
00170 bool CanVehicleUseStation(EngineID engine_type, const struct Station *st);
00171 bool CanVehicleUseStation(const Vehicle *v, const struct Station *st);
00172
00173 void ReleaseDisastersTargetingVehicle(VehicleID vehicle);
00174
00175 typedef SmallVector<VehicleID, 2> VehicleSet;
00176 void GetVehicleSet(VehicleSet &set, Vehicle *v, uint8 num_vehicles);
00177
00178 void CheckCargoCapacity(Vehicle *v);
00179
00180 #endif