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Location: cpp/openttd-patchpack/source/src/roadveh.h - annotation
r14023:0dbab10e82db
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(svn r18576) -Codechange: use the function to determine the width of digits for determining the width of the unitnumber in vehicle lists.
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/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file src/roadveh.h Road vehicle states */
#ifndef ROADVEH_H
#define ROADVEH_H
#include "vehicle_base.h"
#include "engine_func.h"
#include "engine_base.h"
#include "economy_func.h"
struct RoadVehicle;
/** Road vehicle states */
enum RoadVehicleStates {
/*
* Lower 4 bits are used for vehicle track direction. (Trackdirs)
* When in a road stop (bit 5 or bit 6 set) these bits give the
* track direction of the entry to the road stop.
* As the entry direction will always be a diagonal
* direction (X_NE, Y_SE, X_SW or Y_NW) only bits 0 and 3
* are needed to hold this direction. Bit 1 is then used to show
* that the vehicle is using the second road stop bay.
* Bit 2 is then used for drive-through stops to show the vehicle
* is stopping at this road stop.
*/
/* Numeric values */
RVSB_IN_DEPOT = 0xFE, ///< The vehicle is in a depot
RVSB_WORMHOLE = 0xFF, ///< The vehicle is in a tunnel and/or bridge
/* Bit numbers */
RVS_USING_SECOND_BAY = 1, ///< Only used while in a road stop
RVS_DRIVE_SIDE = 4, ///< Only used when retrieving move data
RVS_IN_ROAD_STOP = 5, ///< The vehicle is in a road stop
RVS_IN_DT_ROAD_STOP = 6, ///< The vehicle is in a drive-through road stop
/* Bit sets of the above specified bits */
RVSB_IN_ROAD_STOP = 1 << RVS_IN_ROAD_STOP, ///< The vehicle is in a road stop
RVSB_IN_ROAD_STOP_END = RVSB_IN_ROAD_STOP + TRACKDIR_END,
RVSB_IN_DT_ROAD_STOP = 1 << RVS_IN_DT_ROAD_STOP, ///< The vehicle is in a drive-through road stop
RVSB_IN_DT_ROAD_STOP_END = RVSB_IN_DT_ROAD_STOP + TRACKDIR_END,
RVSB_TRACKDIR_MASK = 0x0F, ///< The mask used to extract track dirs
RVSB_ROAD_STOP_TRACKDIR_MASK = 0x09 ///< Only bits 0 and 3 are used to encode the trackdir for road stops
};
/** State information about the Road Vehicle controller */
enum {
RDE_NEXT_TILE = 0x80, ///< We should enter the next tile
RDE_TURNED = 0x40, ///< We just finished turning
/* Start frames for when a vehicle enters a tile/changes its state.
* The start frame is different for vehicles that turned around or
* are leaving the depot as the do not start at the edge of the tile.
* For trams there are a few different start frames as there are two
* places where trams can turn. */
RVC_DEFAULT_START_FRAME = 0,
RVC_TURN_AROUND_START_FRAME = 1,
RVC_DEPOT_START_FRAME = 6,
RVC_START_FRAME_AFTER_LONG_TRAM = 21,
RVC_TURN_AROUND_START_FRAME_SHORT_TRAM = 16,
/* Stop frame for a vehicle in a drive-through stop */
RVC_DRIVE_THROUGH_STOP_FRAME = 11,
RVC_DEPOT_STOP_FRAME = 11,
};
enum RoadVehicleSubType {
RVST_FRONT,
RVST_ARTIC_PART,
};
void CcBuildRoadVeh(bool success, TileIndex tile, uint32 p1, uint32 p2);
void RoadVehUpdateCache(RoadVehicle *v);
/** Cached oftenly queried (NewGRF) values */
struct RoadVehicleCache {
uint16 cached_total_length; ///< Length of the whole train, valid only for first engine.
byte cached_veh_length; ///< length of this vehicle in units of 1/8 of normal length, cached because this can be set by a callback
EngineID first_engine; ///< Cached EngineID of the front vehicle. INVALID_ENGINE for the front vehicle itself.
};
/**
* Buses, trucks and trams belong to this class.
*/
struct RoadVehicle : public SpecializedVehicle<RoadVehicle, VEH_ROAD> {
RoadVehicleCache rcache; ///< Cache of often used calculated values
byte state; ///< @see RoadVehicleStates
byte frame;
uint16 blocked_ctr;
byte overtaking;
byte overtaking_ctr;
uint16 crashed_ctr;
byte reverse_ctr;
RoadType roadtype;
RoadTypes compatible_roadtypes;
/** We don't want GCC to zero our struct! It already is zeroed and has an index! */
RoadVehicle() : SpecializedVehicle<RoadVehicle, VEH_ROAD>() {}
/** We want to 'destruct' the right class. */
virtual ~RoadVehicle() { this->PreDestructor(); }
const char *GetTypeString() const { return "road vehicle"; }
void MarkDirty();
void UpdateDeltaXY(Direction direction);
ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_ROADVEH_INC : EXPENSES_ROADVEH_RUN; }
bool IsPrimaryVehicle() const { return this->IsRoadVehFront(); }
SpriteID GetImage(Direction direction) const;
int GetDisplaySpeed() const { return this->cur_speed / 2; }
int GetDisplayMaxSpeed() const { return this->max_speed / 2; }
Money GetRunningCost() const;
int GetDisplayImageWidth(Point *offset = NULL) const;
bool IsInDepot() const { return this->state == RVSB_IN_DEPOT; }
bool IsStoppedInDepot() const;
bool Tick();
void OnNewDay();
uint Crash(bool flooded = false);
Trackdir GetVehicleTrackdir() const;
TileIndex GetOrderStationLocation(StationID station);
bool FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse);
bool IsBus() const;
/**
* Check if vehicle is a front engine
* @return Returns true if vehicle is a front engine
*/
FORCEINLINE bool IsRoadVehFront() const { return this->subtype == RVST_FRONT; }
/**
* Set front engine state
*/
FORCEINLINE void SetRoadVehFront() { this->subtype = RVST_FRONT; }
/**
* Check if vehicl is an articulated part of an engine
* @return Returns true if vehicle is an articulated part
*/
FORCEINLINE bool IsArticulatedPart() const { return this->subtype == RVST_ARTIC_PART; }
/**
* Set a vehicle to be an articulated part
*/
FORCEINLINE void SetArticulatedPart() { this->subtype = RVST_ARTIC_PART; }
/**
* Check if an engine has an articulated part.
* @return True if the engine has an articulated part.
*/
FORCEINLINE bool HasArticulatedPart() const { return this->Next() != NULL && this->Next()->IsArticulatedPart(); }
};
#define FOR_ALL_ROADVEHICLES(var) FOR_ALL_VEHICLES_OF_TYPE(RoadVehicle, var)
#endif /* ROADVEH_H */
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