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package ch.epfl.xblast.client;
import ch.epfl.xblast.Lists;
import ch.epfl.xblast.PlayerAction;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.function.Consumer;
/**
* The game action keyboard event handler.
*
* @author Timothée FLOURE (257420)
* @author Pacien TRAN-GIRARD (261948)
*/
public class KeyboardEventHandler extends KeyAdapter {
/**
* The default key->action mapping.
*/
private static final Map<Integer, PlayerAction> DEFAULT_KEY_MAP = buildDefaultKeyMap();
private static Map<Integer, PlayerAction> buildDefaultKeyMap() {
Map<Integer, PlayerAction> playerActionMap = new HashMap<>();
playerActionMap.put(KeyEvent.VK_UP, PlayerAction.MOVE_N);
playerActionMap.put(KeyEvent.VK_RIGHT, PlayerAction.MOVE_E);
playerActionMap.put(KeyEvent.VK_DOWN, PlayerAction.MOVE_S);
playerActionMap.put(KeyEvent.VK_LEFT, PlayerAction.MOVE_W);
playerActionMap.put(KeyEvent.VK_SPACE, PlayerAction.DROP_BOMB);
playerActionMap.put(KeyEvent.VK_SHIFT, PlayerAction.STOP);
return Collections.unmodifiableMap(playerActionMap);
}
private final Map<Integer, PlayerAction> playerActionMap;
private final Consumer<PlayerAction> consumer;
/**
* Instantiates a new KeyboardEventHandler.
*
* @param playerActionMap the map of key codes to PlayerAction.
* @param consumer consumer related to the EventHandler
*/
public KeyboardEventHandler(Map<Integer, PlayerAction> playerActionMap, Consumer<PlayerAction> consumer) {
this.playerActionMap = Lists.immutableMap(playerActionMap);
this.consumer = consumer;
}
/**
* Instantiates a new KeyboardEventHandler with the default key mapping.
*
* @param consumer consumer related to the EventHandler
*/
public KeyboardEventHandler(Consumer<PlayerAction> consumer) {
this(DEFAULT_KEY_MAP, consumer);
}
/**
* Executes the command related to the given key code.
*
* @param e event (pressed key)
*/
@Override
public void keyPressed(KeyEvent e) {
PlayerAction act = this.playerActionMap.get(e.getKeyCode());
if (Objects.nonNull(act))
this.consumer.accept(act);
}
}
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