Performs lane changing of vehicles. More...

#include <MSLaneChanger.h>

Collaboration diagram for MSLaneChanger:

Data Structures
struct	ChangeElem

Public Types
typedef std::vector< ChangeElem >	Changer
	The list of changers; For each lane, a ChangeElem is being build. More...

typedef Changer::iterator	ChangerIt
	the iterator moving over the ChangeElems More...

typedef Changer::const_iterator	ConstChangerIt
	the iterator moving over the ChangeElems More...

Public Member Functions
void	laneChange (SUMOTime t)
	Start lane-change-process for all vehicles on the edge'e lanes. More...

	MSLaneChanger (const std::vector< MSLane * > *lanes, bool allowSwap)
	Constructor. More...

	~MSLaneChanger ()
	Destructor. More...

Protected Member Functions
bool	change ()

int	checkChange (int laneOffset, const std::pair< MSVehicle *const, SUMOReal > &leader, const std::vector< MSVehicle::LaneQ > &preb) const

ChangerIt	findCandidate ()
	Find current candidate. If there is none, myChanger.end() is returned. More...

std::pair< MSVehicle *const, SUMOReal >	getRealFollower (const ChangerIt &target) const

std::pair< MSVehicle *const, SUMOReal >	getRealLeader (const ChangerIt &target) const

void	initChanger ()
	Initialize the changer before looping over all vehicles. More...

void	registerUnchanged (MSVehicle *vehicle)

void	startChange (MSVehicle *vehicle, ChangerIt &from, int direction)
	start the lane change maneuver (and finish it instantly if gLaneChangeDuration == 0) More...

void	updateChanger (bool vehHasChanged)

void	updateLanes (SUMOTime t)

MSVehicle *	veh (ConstChangerIt ce) const

bool	vehInChanger () const
	Check if there is a single change-candidate in the changer. Returns true if there is one. More...

Protected Attributes
bool	myAllowsSwap
	Whether blocking vehicles may be swapped. More...

ChangerIt	myCandi

Changer	myChanger
	Container for ChangeElemements, one for every lane in the edge. More...

Private Member Functions
	MSLaneChanger ()
	Default constructor. More...

	MSLaneChanger (const MSLaneChanger &)
	Copy constructor. More...

MSLaneChanger &	operator= (const MSLaneChanger &)
	Assignment operator. More...

Detailed Description

Performs lane changing of vehicles.

Definition at line 55 of file MSLaneChanger.h.

Member Typedef Documentation

typedef std::vector< ChangeElem > MSLaneChanger::Changer

The list of changers; For each lane, a ChangeElem is being build.

Definition at line 94 of file MSLaneChanger.h.

typedef Changer::iterator MSLaneChanger::ChangerIt

the iterator moving over the ChangeElems

Definition at line 97 of file MSLaneChanger.h.

typedef Changer::const_iterator MSLaneChanger::ConstChangerIt

the iterator moving over the ChangeElems

Definition at line 100 of file MSLaneChanger.h.

Constructor & Destructor Documentation

MSLaneChanger::MSLaneChanger	(	const std::vector< MSLane * > *	lanes,
		bool	allowSwap
	)

Constructor.

Definition at line 56 of file MSLaneChanger.cpp.

References MSLaneChanger::ChangeElem::firstBlocked, MSLaneChanger::ChangeElem::follow, MSLaneChanger::ChangeElem::hoppedVeh, MSLaneChanger::ChangeElem::lane, MSLaneChanger::ChangeElem::lastBlocked, MSLaneChanger::ChangeElem::lead, myChanger, and MSLaneChanger::ChangeElem::veh.

MSLaneChanger::~MSLaneChanger ( )

Destructor.

Definition at line 76 of file MSLaneChanger.cpp.

MSLaneChanger::MSLaneChanger ( )

private

Default constructor.

MSLaneChanger::MSLaneChanger ( const MSLaneChanger & )

private

Copy constructor.

Member Function Documentation

bool MSLaneChanger::change ( )

protected

Find a new candidate and try to change it.

Definition at line 121 of file MSLaneChanger.cpp.

References MSVehicle::adaptBestLanesOccupation(), bla, MSAbstractLaneChangeModel::changed(), checkChange(), MSVehicle::enterLaneAtLaneChange(), findCandidate(), gDebugSelectedVehicle, MSVehicle::getBestLanes(), MSBaseVehicle::getID(), MSVehicle::getInfluencer(), MSVehicle::getLane(), MSVehicle::getLaneChangeModel(), MSVehicleType::getLengthWithGap(), MSAbstractLaneChangeModel::getOwnState(), MSVehicle::getPositionOnLane(), getRealLeader(), MSVehicle::getSpeed(), MSBaseVehicle::getVehicleType(), MSVehicle::hasInfluencer(), MSAbstractLaneChangeModel::isChangingLanes(), MSVehicle::Influencer::isVTDControlled(), LCA_BLOCKED, LCA_LEFT, LCA_RIGHT, LCA_URGENT, MSVehicle::leaveLane(), myAllowsSwap, myCandi, myChanger, MSVehicle::State::myPos, MSVehicle::State::mySpeed, MSVehicle::myState, MSMoveReminder::NOTIFICATION_LANE_CHANGE, registerUnchanged(), MSAbstractLaneChangeModel::setOwnState(), startChange(), SUMOReal, MSVehicle::updateBestLanes(), and veh().

Referenced by laneChange().

int MSLaneChanger::checkChange	(	int	laneOffset,
		const std::pair< MSVehicle *const, SUMOReal > &	leader,
		const std::vector< MSVehicle::LaneQ > &	preb
	)		const

protected

Definition at line 421 of file MSLaneChanger.cpp.

References MSCFModel::brakeGap(), DELTA_T, MSVehicle::getBestLanesContinuation(), MSVehicle::getCarFollowModel(), MSLane::getCriticalLeader(), MSLane::getEdge(), MSVehicle::getLane(), MSVehicle::getLaneChangeModel(), MSLane::getLeader(), MSLane::getLength(), MSCFModel::getMaxDecel(), MSVehicleType::getMinGap(), MSLane::getParallelLane(), MSVehicle::getPositionOnLane(), getRealFollower(), getRealLeader(), MSCFModel::getSecureGap(), MSVehicle::getSpeed(), MSBaseVehicle::getVehicleType(), MSGlobals::gLaneChangeDuration, MSVehicle::influenceChangeDecision(), MSEdge::isInternal(), MSLane::isLinkEnd(), LCA_BLOCKED, LCA_BLOCKED_BY_LEFT_FOLLOWER, LCA_BLOCKED_BY_LEFT_LEADER, LCA_BLOCKED_BY_RIGHT_FOLLOWER, LCA_BLOCKED_BY_RIGHT_LEADER, LCA_INSUFFICIENT_SPACE, LCA_OVERLAPPING, LCA_WANTS_LANECHANGE, LINKDIR_LEFT, LINKDIR_RIGHT, MAX2(), myCandi, STEPS2TIME, MSLane::succLinkSec(), SUMOReal, veh(), and MSAbstractLaneChangeModel::wantsChange().

Referenced by change().

MSLaneChanger::ChangerIt MSLaneChanger::findCandidate ( )

protected

Find current candidate. If there is none, myChanger.end() is returned.

Definition at line 396 of file MSLaneChanger.cpp.

References max, myChanger, and veh().

Referenced by change().

std::pair< MSVehicle *const, SUMOReal > MSLaneChanger::getRealFollower ( const ChangerIt & target ) const

protected

Definition at line 328 of file MSLaneChanger.cpp.

References MSVehicle::getCarFollowModel(), MSVehicleType::getLength(), MSCFModel::getMaxDecel(), MSVehicle::getPositionOnLane(), MSVehicle::getSpeed(), MSBaseVehicle::getVehicleType(), myCandi, SUMOReal, and veh().

Referenced by checkChange().

std::pair< MSVehicle *const, SUMOReal > MSLaneChanger::getRealLeader ( const ChangerIt & target ) const

protected

Definition at line 296 of file MSLaneChanger.cpp.

References MSCFModel::brakeGap(), MSVehicle::getBestLanesContinuation(), MSVehicle::getCarFollowModel(), MSVehicleType::getMinGap(), MSLane::getPartialOccupator(), MSLane::getPartialOccupatorEnd(), MSVehicle::getPositionOnLane(), MSVehicle::getSpeed(), MSBaseVehicle::getVehicleType(), myCandi, SUMOReal, and veh().

Referenced by change(), and checkChange().

void MSLaneChanger::initChanger ( )

protected

Initialize the changer before looping over all vehicles.

Definition at line 95 of file MSLaneChanger.cpp.

References myChanger.

Referenced by laneChange().

void MSLaneChanger::laneChange ( SUMOTime t )

Start lane-change-process for all vehicles on the edge'e lanes.

Definition at line 80 of file MSLaneChanger.cpp.

References change(), initChanger(), updateChanger(), updateLanes(), and vehInChanger().

Referenced by MSEdge::changeLanes().

MSLaneChanger& MSLaneChanger::operator= ( const MSLaneChanger & )

private

Assignment operator.

void MSLaneChanger::registerUnchanged ( MSVehicle * vehicle )

protected

Update changer for vehicles that did not change

Definition at line 272 of file MSLaneChanger.cpp.

References MSVehicle::getLaneChangeModel(), MSVehicleType::getLengthWithGap(), MSBaseVehicle::getVehicleType(), myCandi, MSAbstractLaneChangeModel::unchanged(), and veh().

Referenced by change().

void MSLaneChanger::startChange	(	MSVehicle *	vehicle,
		ChangerIt &	from,
		int	direction
	)

protected

start the lane change maneuver (and finish it instantly if gLaneChangeDuration == 0)

Definition at line 280 of file MSLaneChanger.cpp.

References MSVehicle::getLaneChangeModel(), MSVehicleType::getLengthWithGap(), MSBaseVehicle::getVehicleType(), and MSAbstractLaneChangeModel::startLaneChangeManeuver().

Referenced by change().

void MSLaneChanger::updateChanger ( bool vehHasChanged )

protected

After the possible change, update the changer.

Definition at line 353 of file MSLaneChanger.cpp.

References DELTA_T, MSGlobals::gLaneChangeDuration, myCandi, and veh().

Referenced by laneChange().

void MSLaneChanger::updateLanes ( SUMOTime t )

protected

During lane-change a temporary vehicle container is filled within the lanes (bad pratice to modify foreign members, I know). Swap this container with the real one.

Definition at line 379 of file MSLaneChanger.cpp.

References myChanger.

Referenced by laneChange().

MSVehicle* MSLaneChanger::veh ( ConstChangerIt ce ) const

inlineprotected

Returns a pointer to the changer-element-iterator vehicle, or 0 if there is none.

Definition at line 121 of file MSLaneChanger.h.

Referenced by change(), checkChange(), findCandidate(), getRealFollower(), getRealLeader(), registerUnchanged(), updateChanger(), and vehInChanger().

bool MSLaneChanger::vehInChanger ( ) const

inlineprotected

Check if there is a single change-candidate in the changer. Returns true if there is one.

Definition at line 108 of file MSLaneChanger.h.

References myChanger, and veh().

Referenced by laneChange().

Field Documentation

bool MSLaneChanger::myAllowsSwap

protected

Whether blocking vehicles may be swapped.

Definition at line 172 of file MSLaneChanger.h.

Referenced by change().

ChangerIt MSLaneChanger::myCandi

protected

Change-candidate. Last of the vehicles in changer. Only this one will try to change. Every vehicle on the edge will be a candidate once in the change-process.

Definition at line 169 of file MSLaneChanger.h.

Referenced by change(), checkChange(), getRealFollower(), getRealLeader(), registerUnchanged(), and updateChanger().

Changer MSLaneChanger::myChanger

protected

Container for ChangeElemements, one for every lane in the edge.

Definition at line 164 of file MSLaneChanger.h.

Referenced by change(), findCandidate(), initChanger(), MSLaneChanger(), updateLanes(), and vehInChanger().

The documentation for this class was generated from the following files:

Data Structures

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation