com.threerings.tudey.server.util
Class SceneTicker

java.lang.Object
  com.threerings.tudey.server.util.SceneTicker

Direct Known Subclasses:

SceneTicker.DedicatedThread, SceneTicker.EventThread

public abstract class SceneTicker
extends Object

Ticks some number of scene managers.

Nested Class Summary

static class	SceneTicker.DedicatedThread Ticks the scenes on a dedicated thread.
static class	SceneTicker.EventThread Ticks the scenes on the event thread.

Field Summary

protected int	_actualInterval The average actual interval.
protected TruncatedAverage	_intervalAverage The trailing average of the actual intervals.
protected boolean	_lastLong Whether the last tick was considered "long."
protected long	_lastTick The time of the last tick.
protected RunQueue	_runQueue The event thread run queue.
protected TudeySceneManager[]	_sarray Holds the scene managers during processing.
protected List<TudeySceneManager>	_scenemgrs The list of scene managers to tick.
protected int	_targetInterval The target interval.

Constructor Summary

SceneTicker(RunQueue runQueue, int targetInterval)
Creates a new scene ticker.

Method Summary

void	add(TudeySceneManager scenemgr) Adds a scene manager to be ticked.
boolean	contains(TudeySceneManager scenemgr) Checks whether the specified scene manager is being ticked.
int	getActualInterval() Returns the average actual interval.
void	remove(TudeySceneManager scenemgr) Removes a scene manager.
void	setTargetInterval(int interval) Sets the target interval.
protected abstract void	start() Starts ticking.
protected abstract void	stop() Stops ticking.
protected long	tick() Ticks the scene managers.

Methods inherited from class java.lang.Object

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

Field Detail

_runQueue

protected RunQueue _runQueue

The event thread run queue.

_targetInterval

protected volatile int _targetInterval

The target interval.

_actualInterval

protected volatile int _actualInterval

The average actual interval.

_scenemgrs

protected List<TudeySceneManager> _scenemgrs

The list of scene managers to tick.

_sarray

protected TudeySceneManager[] _sarray

Holds the scene managers during processing.

_lastTick

protected long _lastTick

The time of the last tick.

_lastLong

protected boolean _lastLong

Whether the last tick was considered "long."

_intervalAverage

protected TruncatedAverage _intervalAverage

The trailing average of the actual intervals.

Constructor Detail

SceneTicker

public SceneTicker(RunQueue runQueue,
                   int targetInterval)

Creates a new scene ticker.

Method Detail

setTargetInterval

public void setTargetInterval(int interval)

Sets the target interval.

getActualInterval

public int getActualInterval()

Returns the average actual interval.

add

public void add(TudeySceneManager scenemgr)

Adds a scene manager to be ticked.

remove

public void remove(TudeySceneManager scenemgr)

Removes a scene manager.

contains

public boolean contains(TudeySceneManager scenemgr)

Checks whether the specified scene manager is being ticked.

start

protected abstract void start()

Starts ticking.

stop

protected abstract void stop()

Stops ticking.

tick

protected long tick()

Ticks the scene managers.