components
Class KeyRegistry

java.lang.Object
  components.KeyRegistry

public class KeyRegistry
extends Object

KeyRegistry is a mutable object that stores the key triggers that the game should respond to.

Author:

ruthdhan

Specification Fields :

keyTriggers : set of triples

Constructor Summary

KeyRegistry()

Method Summary

void	clearDowns(GameObject obj) clear all key down triggers assoc with this object
void	clearUps(GameObject obj) clear all key up triggers assoc with this object
Set<Integer>	getAllDownKeys() get all down key presses that are listened for
Set<Integer>	getAllUpKeys() get all up key presses that are listened for
Set<GameObject>	getDown(int key)
Set<Integer>	getDowns(GameObject obj)
Set<GameObject>	getUp(int key)
Set<Integer>	getUps(GameObject obj)
boolean	registerDown(int key, GameObject tgt)
boolean	registerUp(int key, GameObject tgt)
boolean	remove(int key, boolean down, GameObject tgt) remove the specified key press from the registry

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyRegistry

public KeyRegistry()

Method Detail

registerDown

public boolean registerDown(int key,
                            GameObject tgt)

registerUp

public boolean registerUp(int key,
                          GameObject tgt)

getDown

public Set<GameObject> getDown(int key)

getUp

public Set<GameObject> getUp(int key)

getDowns

public Set<Integer> getDowns(GameObject obj)

Returns:

all keys whose downpresses trigger obj

getUps

public Set<Integer> getUps(GameObject obj)

Returns:

all keys whose upreleases trigger obj

clearDowns

public void clearDowns(GameObject obj)

clear all key down triggers assoc with this object

clearUps

public void clearUps(GameObject obj)

clear all key up triggers assoc with this object

getAllDownKeys

public Set<Integer> getAllDownKeys()

get all down key presses that are listened for

getAllUpKeys

public Set<Integer> getAllUpKeys()

get all up key presses that are listened for

remove

public boolean remove(int key,
                      boolean down,
                      GameObject tgt)

remove the specified key press from the registry