com.threerings.tudey.server
Class ClientLiaison

java.lang.Object
  com.threerings.tudey.server.ClientLiaison

public class ClientLiaison
extends Object

Handles interaction with a single client.

Nested Class Summary

protected static class

ClientLiaison.TickRecord Contains the state at a single tick.

Field Summary

protected List<Actor>	_actorsAdded Holds actors added on the current tick.
protected List<Actor>	_actorsRemoved Holds actors removed on the current tick.
protected List<ActorDelta>	_actorsUpdated Holds actors updated on the current tick.
protected IntMap<Actor>	_added Stores added actors.
protected BodyObject	_bodyobj The client body object.
protected PawnLogic	_controlled The pawn that the client is controlling.
protected List<Effect>	_fired Stores effects fired.
protected int	_lastInput The timestamp of the last input frame received from the client.
protected Rect	_localInterest The untranslated area of interest.
protected int	_ping The most recent ping time estimate.
protected TruncatedAverage	_pingAverage The trailing average of the ping times.
protected Set<ActorLogic>	_previousVisibleActors The actors in the area of interest at the last update.
protected boolean	_receiving Set when we know that the client will be receiving on the client object.
protected List<ClientLiaison.TickRecord>	_records Records of each update transmitted to the client.
protected IntMap<Actor>	_removed Stores removed actor.
protected TudeySceneManager	_scenemgr The scene manager that created the liaison.
protected CrowdSession	_session The client session.
protected PawnLogic	_target The pawn that the client's camera is tracking.
protected TudeySceneObject	_tsobj The scene object.
protected IntMap<ActorDelta>	_updated Stores updated actor deltas.
protected Set<ActorLogic>	_visibleActors The actors in the area of interest on the current update.
protected Rect	_worldInterest The translated area of interest.

Constructor Summary

ClientLiaison(TudeySceneManager scenemgr, BodyObject bodyobj, CrowdSession session)
Creates a new liaison for the specified client.

Method Summary

void	bodyUpdated(OccupantInfo info) Notes that the client's occupant info has been updated.
void	enqueueInput(int acknowledge, int ping, InputFrame[] frames) Processes a request to enqueue input received from a client.
void	enteredPlace() Notes that the client has successfully entered the place.
int	getControlDelta() Computes and returns the difference between the time at which the client depicts actors that it controls (its advanced time) and the time at which it depicts all other actors (its delayed time).
int	getLastInput() Returns the timestamp of the last input frame received from the client (or zero if none have yet been received).
PawnLogic	getTarget() Returns a reference to the client's target.
protected void	populateVisibleActors() Populates the set of visible actors.
void	postDelta() Posts the scene delta for this client, informing it any all relevant changes to the scene since its last acknowledged delta.
void	setCameraParams(CameraConfig config, float aspect) Sets the client's camera parameters.
void	setTarget(PawnLogic target) Sets the client's target actor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_scenemgr

protected TudeySceneManager _scenemgr

The scene manager that created the liaison.

_tsobj

protected TudeySceneObject _tsobj

The scene object.

_bodyobj

protected BodyObject _bodyobj

The client body object.

_session

protected CrowdSession _session

The client session.

_target

protected PawnLogic _target

The pawn that the client's camera is tracking.

_controlled

protected PawnLogic _controlled

The pawn that the client is controlling.

_localInterest

protected Rect _localInterest

The untranslated area of interest.

_worldInterest

protected Rect _worldInterest

The translated area of interest.

_records

protected List<ClientLiaison.TickRecord> _records

Records of each update transmitted to the client.

_receiving

protected boolean _receiving

Set when we know that the client will be receiving on the client object.

_ping

protected int _ping

The most recent ping time estimate.

_pingAverage

protected TruncatedAverage _pingAverage

The trailing average of the ping times.

_lastInput

protected int _lastInput

The timestamp of the last input frame received from the client.

_previousVisibleActors

protected Set<ActorLogic> _previousVisibleActors

The actors in the area of interest at the last update.

_visibleActors

protected Set<ActorLogic> _visibleActors

The actors in the area of interest on the current update.

_actorsAdded

protected List<Actor> _actorsAdded

Holds actors added on the current tick.

_actorsUpdated

protected List<ActorDelta> _actorsUpdated

Holds actors updated on the current tick.

_actorsRemoved

protected List<Actor> _actorsRemoved

Holds actors removed on the current tick.

_added

protected IntMap<Actor> _added

Stores added actors.

_updated

protected IntMap<ActorDelta> _updated

Stores updated actor deltas.

_removed

protected IntMap<Actor> _removed

Stores removed actor.

_fired

protected List<Effect> _fired

Stores effects fired.

Constructor Detail

ClientLiaison

public ClientLiaison(TudeySceneManager scenemgr,
                     BodyObject bodyobj,
                     CrowdSession session)

Creates a new liaison for the specified client.

Method Detail

bodyUpdated

public void bodyUpdated(OccupantInfo info)

Notes that the client's occupant info has been updated.

setTarget

public void setTarget(PawnLogic target)

Sets the client's target actor.

getTarget

public PawnLogic getTarget()

Returns a reference to the client's target.

setCameraParams

public void setCameraParams(CameraConfig config,
                            float aspect)

Sets the client's camera parameters.

getControlDelta

public int getControlDelta()

Computes and returns the difference between the time at which the client depicts actors that it controls (its advanced time) and the time at which it depicts all other actors (its delayed time).

getLastInput

public int getLastInput()

Returns the timestamp of the last input frame received from the client (or zero if none have yet been received).

enteredPlace

public void enteredPlace()

Notes that the client has successfully entered the place.

enqueueInput

public void enqueueInput(int acknowledge,
                         int ping,
                         InputFrame[] frames)

Processes a request to enqueue input received from a client.

Parameters:

ping - the ping calculated from the current time and the client's time estimate.

postDelta

public void postDelta()

Posts the scene delta for this client, informing it any all relevant changes to the scene since its last acknowledged delta.

populateVisibleActors

protected void populateVisibleActors()

Populates the set of visible actors.