atavism.server.objects

Class ObjectTracker

java.lang.Object

atavism.server.objects.ObjectTracker

All Implemented Interfaces:

MessageCallback, MessageDispatch

public class ObjectTracker
extends java.lang.Object
implements MessageDispatch

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	ObjectTracker.Entry
static class	ObjectTracker.NotifyAggroRadiusMessage
protected class	ObjectTracker.NotifyData
static interface	ObjectTracker.NotifyReactionRadiusCallback
static class	ObjectTracker.NotifyReactionRadiusMessage
static interface	ObjectTracker.RemoteObjectFilter A filter callback used to determine if a remote object should be tracked.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<OID,java.util.Map<OID,java.lang.Integer>>	aggroRadiusMap
protected EntityWithWorldNodeFactory	entityFactory
protected float	hystericalMargin
protected OID	instanceOid
protected java.util.Set<OID>	localObjects Local objects are perceivers; remote objects are the objects that are perceived by perceivers
static MessageType	MSG_TYPE_NOTIFY_AGGRO_RADIUS
static MessageType	MSG_TYPE_NOTIFY_REACTION_RADIUS
protected Namespace	namespace
protected ObjectTracker.NotifyReactionRadiusCallback	notifyCallback
protected java.util.Map<OID,ObjectTracker.NotifyData>	reactionRadiusMap

Fields inherited from interface atavism.msgsys.MessageCallback

NO_FLAGS, RESPONSE_EXPECTED

Constructor Summary

Constructors

Constructor and Description
ObjectTracker(Namespace namespace, OID oid, EntityWithWorldNodeFactory entityFactory, java.util.Collection<ObjectType> subjectTypes)

Method Summary

Modifier and Type	Method and Description
void	addAggroRadius(OID oid, OID target, java.lang.Integer reactionRadius)
void	addLocalObject(OID oid, java.lang.Integer reactionRadius)
void	addReactionRadius(OID oid, java.lang.Integer reactionRadius)
OID	getInstanceOid()
java.util.List<OID>	getOidsInRadius(OID oid)
void	handleMessage(Message msg, int flags) Handle message.
protected void	handlePerception(PerceptionMessage perceptionMessage)
protected void	maybeAddRemoteObject(PerceptionMessage.ObjectNote objectNote)
protected void	maybeRemoveRemoteObject(OID subjectOid, PerceptionMessage.ObjectNote objectNote, OID targetOid)
void	removeAggroRadius(OID oid, OID target)
boolean	removeLocalObject(OID oid)
void	removeReactionRadius(OID oid)
protected void	removeRemoteObject(OID objOid, OID oid, boolean removeFromReactionRadius)
void	updateEntity(EntityWithWorldNode ewwn) Checks the distance between the tracker and the entity in question to determine whether they are entering or leaving the reaction or aggro radius.

Methods inherited from class java.lang.Object

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

Field Detail

namespace

protected Namespace namespace

instanceOid

protected OID instanceOid

entityFactory

protected EntityWithWorldNodeFactory entityFactory

hystericalMargin

protected float hystericalMargin

notifyCallback

protected ObjectTracker.NotifyReactionRadiusCallback notifyCallback

localObjects

protected java.util.Set<OID> localObjects

Local objects are perceivers; remote objects are the objects that are perceived by perceivers

reactionRadiusMap

protected java.util.Map<OID,ObjectTracker.NotifyData> reactionRadiusMap

aggroRadiusMap

protected java.util.Map<OID,java.util.Map<OID,java.lang.Integer>> aggroRadiusMap

MSG_TYPE_NOTIFY_REACTION_RADIUS

public static final MessageType MSG_TYPE_NOTIFY_REACTION_RADIUS

MSG_TYPE_NOTIFY_AGGRO_RADIUS

public static final MessageType MSG_TYPE_NOTIFY_AGGRO_RADIUS

Constructor Detail

ObjectTracker

public ObjectTracker(Namespace namespace,
                     OID oid,
                     EntityWithWorldNodeFactory entityFactory,
                     java.util.Collection<ObjectType> subjectTypes)

Method Detail

getInstanceOid

public OID getInstanceOid()

addLocalObject

public void addLocalObject(OID oid,
                           java.lang.Integer reactionRadius)

addReactionRadius

public void addReactionRadius(OID oid,
                              java.lang.Integer reactionRadius)

addAggroRadius

public void addAggroRadius(OID oid,
                           OID target,
                           java.lang.Integer reactionRadius)

removeReactionRadius

public void removeReactionRadius(OID oid)

removeAggroRadius

public void removeAggroRadius(OID oid,
                              OID target)

removeLocalObject

public boolean removeLocalObject(OID oid)

maybeAddRemoteObject

protected void maybeAddRemoteObject(PerceptionMessage.ObjectNote objectNote)

getOidsInRadius

public java.util.List<OID> getOidsInRadius(OID oid)

removeRemoteObject

protected void removeRemoteObject(OID objOid,
                                  OID oid,
                                  boolean removeFromReactionRadius)

updateEntity

public void updateEntity(EntityWithWorldNode ewwn)

Checks the distance between the tracker and the entity in question to determine whether they are entering or leaving the reaction or aggro radius. Iterates through each reactionRadiusMap entry to determine if the moving creature has is listed.

Parameters:

ewwn -

handlePerception

protected void handlePerception(PerceptionMessage perceptionMessage)

maybeRemoveRemoteObject

protected void maybeRemoveRemoteObject(OID subjectOid,
                                       PerceptionMessage.ObjectNote objectNote,
                                       OID targetOid)

handleMessage

public void handleMessage(Message msg,
                          int flags)

Description copied from interface: MessageCallback

Handle message.

Specified by:

handleMessage in interface MessageCallback

Parameters:

msg - Message sent from other agent.

flags - Bitwise OR of MessageCallback.NO_FLAGS, MessageCallback.RESPONSE_EXPECTED.