You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.4 KiB
60 lines
1.4 KiB
package playground;
|
|
|
|
import gameobjects.GameObject;
|
|
import org.apache.logging.log4j.LogManager;
|
|
import org.apache.logging.log4j.Logger;
|
|
|
|
|
|
|
|
/**
|
|
* extends {@link SpaceInvadersLevel} with 10 enemies that need two shots each to be destroyed.
|
|
*
|
|
*/
|
|
|
|
|
|
public class LevelHitTwice extends SpaceInvadersLevel {
|
|
|
|
/** constant defining the number of shots needed to destroy an enemy */
|
|
public static final int MAX_HITS = 2;
|
|
|
|
private static Logger logger = LogManager.getLogger(LevelHitTwice.class);
|
|
|
|
/** constructor setting internal name to 'hitTwice' */
|
|
public LevelHitTwice() {
|
|
super();
|
|
this.level = "hitTwice";
|
|
}
|
|
|
|
|
|
@Override
|
|
protected String getStartupMessage() {
|
|
return "2 shots at alien required!!!";
|
|
}
|
|
|
|
@Override
|
|
protected int calcNrEnemies() {
|
|
return 10;
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
void actionIfEnemyIsHit(GameObject e, GameObject shot) {
|
|
Object counterFlag = e.getOrCreateObjectFlag("counter", Integer.valueOf(1));
|
|
|
|
int counter = (Integer) counterFlag;
|
|
|
|
if (counter >= MAX_HITS) {
|
|
logger.trace("enemy was hit before for " + counter + " times, which is above "
|
|
+ LevelHitTwice.MAX_HITS);
|
|
super.actionIfEnemyIsHit(e, shot);
|
|
} else {
|
|
logger.trace("enemy was hit before for "+counter+" times, which is below "+LevelHitTwice.MAX_HITS);
|
|
e.setObjectFlag("counter", Integer.valueOf(counter + 1));
|
|
}
|
|
deleteObject(shot.getId());
|
|
}
|
|
|
|
|
|
|
|
}
|