在StartMenu之后，JFrame中的Java应用程序被卡住了

Question

I have made a game with 20+ classes in it and if I run the application in Eclipse it perfectly works.

Now if I export the game to a runnable jar, it gets stuck when I try to launch the game. But the weird thing is that my intro plays and I can continue by pressing "enter" to my menu, but if I try to start the game from there, the menu gets stuck. (normally the background of my menu moves)

So, I have three GameState wich are called introState , menuState and level1State . These three all extend from GameState. introState and menuState work perfectly but level1State doesn't.

I'll put the code from level1State and the manifestfile here. Eclipse doesn't give me any errors.

My game does have a Main-class and every class displayed does exist and works.

Any ideas on what causes this and how to solve this? Or maybe another way to play this game outside eclipse?

package GameState;

import Main.GamePanel;
import TileMap.*;
import Entity.*;
import Entity.Enemies.*;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.util.ArrayList;

package GameState;

import Main.GamePanel;
import TileMap.*;
import Entity.*;
import Entity.Enemies.*;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.util.ArrayList;

public class Level1State extends GameState {

    private TileMap tileMap;
    private Background bg;

    private Player player;

    private ArrayList<Enemy> enemies;

    private HUD hud;

    public Level1State(GameStateManager gsm) {
        this.gsm = gsm;
        init();
    }

    public void init() {

        tileMap = new TileMap(30);
        tileMap.loadTiles("/Tilesets/darktheme.gif");
        tileMap.loadMap("/Maps/level1-1.map");
        tileMap.setPosition(0, 0);
        tileMap.setTween(1);

        bg = new Background("/Backgrounds/backgroundbg.gif", 0.1);

        player = new Player(tileMap);
        player.setPosition(100, 100);

        populateEnemies();

        hud = new HUD(player);

    }

    private void populateEnemies() {

        enemies = new ArrayList<Enemy>();


        Slugger s;
        Point[] points = new Point[] {
            new Point(860, 200),
            new Point(1525, 200),
            new Point(1680, 200),
            new Point(1800, 200)
        };
        for(int i = 0; i < points.length; i++) {
            s = new Slugger(tileMap);
            s.setPosition(points[i].x, points[i].y);
            enemies.add(s);
        }



        Spin s1;
        Point[] point = new Point[]{
                new Point(1990,100)
        };
        for(int k = 0; k < point.length; k ++){
            s1 = new Spin(tileMap);
            s1.setPosition(point[k].x, point[k].y);
            enemies.add(s1);
            //System.out.println(point[k].y);
        }


    }

    public void update() {

        // update player
        player.update();
        tileMap.setPosition(
            GamePanel.WIDTH / 2 - player.getx(),
            GamePanel.HEIGHT / 2 - player.gety()
        );

        // set background
        bg.setPosition(tileMap.getx(), tileMap.gety());

        // attack enemies
        player.checkAttack(enemies);

        // update all enemies
        for(int i = 0; i < enemies.size(); i++) {
            Enemy e = enemies.get(i);
            e.update();
            if(e.isDead()) {
                enemies.remove(i);
                i--;
            }
        }

    }

    public void draw(Graphics2D g) {

        // draw bg
        bg.draw(g);

        // draw tilemap
        tileMap.draw(g);

        // draw player
        player.draw(g);

        // draw enemies
        for(int i = 0; i < enemies.size(); i++) {
            enemies.get(i).draw(g);
        }

        // draw hud
        hud.draw(g);

    }

    public void keyPressed(int k) {
        if(k == KeyEvent.VK_LEFT) player.setLeft(true);
        if(k == KeyEvent.VK_RIGHT) player.setRight(true);
        if(k == KeyEvent.VK_UP) player.setUp(true);
        if(k == KeyEvent.VK_DOWN) player.setDown(true);
        if(k == KeyEvent.VK_SPACE) player.setJumping(true);
        if(k == KeyEvent.VK_E) player.setGliding(true);
        if(k == KeyEvent.VK_A) player.setScratching();
        if(k == KeyEvent.VK_F) player.setFiring();
    }

    public void keyReleased(int k) {
        if(k == KeyEvent.VK_LEFT) player.setLeft(false);
        if(k == KeyEvent.VK_RIGHT) player.setRight(false);
        if(k == KeyEvent.VK_UP) player.setUp(false);
        if(k == KeyEvent.VK_DOWN) player.setDown(false);
        if(k == KeyEvent.VK_SPACE) player.setJumping(false);
        if(k == KeyEvent.VK_E) player.setGliding(false);
    }
}

Manifest file:

Manifest-Version: 1.0
Rsrc-Class-Path: ./
Class-Path: .
Rsrc-Main-Class: Main.Game
Main-Class: org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader

Answer 1

DId you export it as a runnable JAR or as a JAR file? Try both if you haven't yet. I use the same engine and it works for me but i exported it as a jar it didn't work completely while when I exported it as a runnable JAR file it does work.