119 lines
4.2 KiB
Java
119 lines
4.2 KiB
Java
package com.sagi.dayan.Games.Elements;
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import java.awt.Graphics;
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import java.util.Random;
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import java.util.Vector;
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import javax.rmi.CORBA.Util;
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import javax.swing.JPanel;
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import com.sagi.dayan.Games.Stage.Level;
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import com.sagi.dayan.Games.Utils.Utils;
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/**
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* represents a single wave of enemy ships.
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* this class will manage a wave of enemies, create them when needed & create missiles when needed.
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* timing of creating and shooting is done using system time.
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*/
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public class Wave {
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protected Level level; //used to ask for a misslie to be created
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protected int enemyMaxAmount, currentAmount, hitsToDestroy, acc, startX, startY;
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protected double stepDelay,fireDelay, launchDelay;
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protected int[] moveVector;
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protected Vector<EnemyShip> enemies;
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protected Vector<Missile> bullets;
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protected long lastLaunchTime;
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protected String imageName;
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protected Random r;
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protected boolean isShipOfTypeOne;
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public Wave(int enemyMaxAmount, int[] moveVector, double fireDelay, double stepDelay, double launchDelay, int acc, String imageName, int startX, int startY, Level stage, int hitsToDestroy){
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this.enemies = new Vector<>();
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this.bullets = new Vector<>();
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this.enemyMaxAmount = enemyMaxAmount;
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this.currentAmount = 0;
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this.imageName = imageName;
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this.level = stage;
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this.fireDelay = fireDelay;
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this.launchDelay = launchDelay;
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this.acc = acc;
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this.startX = startX;
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this.startY = startY;
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this.stepDelay = stepDelay;
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this.moveVector = moveVector;
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this.lastLaunchTime = System.currentTimeMillis();
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this.hitsToDestroy = hitsToDestroy;
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this.r = new Random();
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//decides which ship img to use
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int odds = r.nextInt(100);
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isShipOfTypeOne = (odds > 60) ? true : false;
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}
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public void update(){
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long now = System.currentTimeMillis();
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Vector <EnemyShip> enemiesToRemove = new Vector<>();
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// Create (RANDOM) new enemy if enough time passed since last launch (launchDelay)
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if(now - lastLaunchTime >= launchDelay * 1000 && currentAmount <= enemyMaxAmount){
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//choose img
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if(isShipOfTypeOne){
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enemies.add(new EnemyShip(startX, startY, level.getStageHeight(), level.getStageHeight(), acc, imageName, 0, 15, 15, fireDelay, stepDelay, this, moveVector, 8, hitsToDestroy));
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}else{
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enemies.add(new EnemyShip(startX, startY, level.getStageHeight(), level.getStageHeight(), acc, "L1-ES2.png", 0, 15, 15, fireDelay, stepDelay, this, moveVector, 2, hitsToDestroy));
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}
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Utils.playSound("enemy_enter.wav");
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lastLaunchTime = now; //save new time
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currentAmount++;
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}
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//update enemies & missiles, and remove the ones who are dead\OOS
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for (int i = 0; i < enemies.size() ; i++){
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enemies.get(i).update();
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if (enemies.get(i).isDone() || enemies.get(i).isOutOfScreen()) {
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enemiesToRemove.add(enemies.get(i));
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}
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}
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for (int i = 0; i < bullets.size() ; i++){
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bullets.get(i).update();
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}
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enemies.removeAll(enemiesToRemove);
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}
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//render missiles and enemy ships
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public void render(Graphics g, JPanel p){
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for (int i = 0; i < bullets.size() ; i++){
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bullets.get(i).drawSprite(g, p);
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}
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for (int i = 0; i < enemies.size() ; i++){
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enemies.get(i).drawSprite(g, p);
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}
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}
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//if enemy is not dead create a new missile
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public void fireFromEnemy(EnemyShip e){
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if(!e.isDead()) {
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level.enemyFire(e.getCenterX(), (int) (e.getLocY() + e.getsHeight()), -(e.getAcceleration() + 2));
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Utils.playSound("enemy_relese.wav");
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}
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}
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//returns all enemys in wave
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public Vector <EnemyShip> getEnemies() {
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return enemies;
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}
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//used when an enemy gets hit to remove life
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public void enemyHit(EnemyShip es) {
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es.gotHit();
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}
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//returns true if all enemy ships launched and died or OOS
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public boolean isWaveOver() {
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return enemies.size() == 0 && currentAmount >= enemyMaxAmount;
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}
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}
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