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Dudermomo
 Post subject: Cannot get music to play
PostPosted: Sun May 27, 2012 2:41 am 
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Joined: Sun May 27, 2012 2:33 am
Posts: 4
I've been researching for over two days now, I'm new to programming and slick 2d. I really need some help.

I am trying to get music to play and loop when the menu screen starts, everything I try though does not work.

Code:
package theGame;

import org.newdawn.slick.*;
import org.newdawn.slick.state.*;

public class Menu extends BasicGameState{//BasicGameState creates Screen
   
   public Menu(int state){
      
   }
   
   public void init(GameContainer gc, StateBasedGame sbg)throws SlickException{
      
      Music BGM = new Music("res/weekends.ogg");
      BGM.play();
      
   }
   
   public void render(GameContainer gc, StateBasedGame sbg, Graphics g) throws SlickException{//drawing graphics
      
      Image townBack = new Image("res/mapMGSky.png");
      Image townFront = new Image("res/mapBG.png");
      Image heroHome = new Image("res/heroHomeIcon.png");
      Image nillaStore = new Image("res/VanillaStoreIcon.png");
      Image statue = new Image("res/statueIcon.png");
      Image board = new Image("res/boardIcon.png");
      
      //Music music = new Music("res/weekends.ogg");
      //music.loop();
      
      g.drawImage(townBack, 0 , 0);
      g.drawImage(townFront, 0 , 0);
      g.drawImage(heroHome, 447 , 35);
      g.drawImage(nillaStore, -45 , 177);
      g.drawImage(statue, 312 , 120);
      g.drawImage(board, 545 , 259);
      
      g.drawString("Hey, Hero!", 50, 50);//String, x, y
   }
   
   //Music music = new Music("res/weekends.ogg");
   //music.play();
   
   public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException{//Game AI, User Input, Game Logic
      
   }
   
   public int getID(){//returns State ID
      return 0;
   }

}


I apologize for pasting the whole source I'm just not sure where it goes, according to other tutorials I'm in the correct place, and everything is correct as far as I know from documentation.
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AtomizerZero
PostPosted: Sun May 27, 2012 10:14 am 
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Joined: Mon May 07, 2012 11:36 pm
Posts: 93
You need to implement MusicListener

Code:
public class Menu extends BasicGameState implements MusicListener{//BasicGameState creates Screen
   
   public Menu(int state){
     
   }


and then, in the init method, you need to add the listener to it

Code:
public void init(GameContainer gc, StateBasedGame sbg)throws SlickException{
     
      Music BGM = new Music("res/weekends.ogg");
      BGM.addListener(this);
      BGM.play();
     
   }



That SHOULD work... if it doesn't, then post back here and me or someone else will help you further :)
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Dudermomo
PostPosted: Sun May 27, 2012 3:10 pm 
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Joined: Sun May 27, 2012 2:33 am
Posts: 4
I added the changes you mentioned but I the game is crashing now:

Code:
public class Menu extends BasicGameState implements MusicListener{//BasicGameState creates Screen


My IDE is saying:
Quote:
"The type Menu must implement the inherited abstract method MusicListener.musicEnded(Music)"


When I choose to fix either issue the game still crashes

Here the code:

Code:
public class Menu extends BasicGameState implements MusicListener{//BasicGameState creates Screen
   
   public Menu(int state){
      
   }
   
   public void init(GameContainer gc, StateBasedGame sbg)throws SlickException{
      
      Music BGM = new Music("res/weekends.ogg");
      BGM.addListener(this);
      BGM.loop();
      
   }


I appreciate all the help I really do, I'm on break from school, just started going to school for computer Science and this is the project I gave myself to get better.
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AtomizerZero
PostPosted: Sun May 27, 2012 3:17 pm 
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Joined: Mon May 07, 2012 11:36 pm
Posts: 93
Perhaps the BGM.loop(); needs to go in the update method. I'm not entirely sure. I've never personally tried using music. It seems it wants a listener for ending the music too..

Someone more versed in slick's musiclistener care to help out? :)
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davedes
PostPosted: Sun May 27, 2012 3:59 pm 
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Slick Zombie

Joined: Sat Jan 27, 2007 7:10 pm
Posts: 1469
You don't need a music listener. The following should work:
Code:
package slicktests;

import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.BasicGame;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.Music;
import org.newdawn.slick.SlickException;

public class MusicTest extends BasicGame {

   Music music;
   
   public MusicTest() {
      super("music");
   }

   public void init(GameContainer container) throws SlickException {
      music = new Music("res/speech.ogg");
      music.play();
   }


   public void render(GameContainer container, Graphics g) throws SlickException {
     
   }

   public void update(GameContainer container, int delta) throws SlickException {

   }
   
   public static void main(String[] argv) throws SlickException {
      new AppGameContainer(new MusicTest(), 800, 600, false).start();
   }

}


If it doesn't work, it might be because of a corrupt file. You can use Audacity to save Slick-compatible OGGs. Here is an OGG file that should work:
http://www.mediafire.com/?4b4ml2mqa25tlvz
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AtomizerZero
PostPosted: Sun May 27, 2012 4:10 pm 
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Joined: Mon May 07, 2012 11:36 pm
Posts: 93
Oh, apologies. I was using the slick test's "SoundTest" example ^_^;
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Dudermomo
PostPosted: Sun May 27, 2012 4:59 pm 
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Joined: Sun May 27, 2012 2:33 am
Posts: 4
I dont know if I'm doing this right or if I am following you incorrectly

Here is my edited code with what you posted:
Code:
package theGame;

import org.newdawn.slick.*;
import org.newdawn.slick.state.*;
import org.newdawn.slick.Music;

public class Menu extends BasicGameState{//BasicGameState creates Screen
   
   Music BGM;
   
   public Menu(int state){
      
      super("BGM");
      
   }
   
   public void init(GameContainer gc, StateBasedGame sbg)throws SlickException{
      
      BGM = new Music("res/weekends.ogg");
      BGM.play();
      
   }
   
   public void render(GameContainer gc, StateBasedGame sbg, Graphics g) throws SlickException{//drawing graphics
      
      Image townBack = new Image("res/mapMGSky.png");
      Image townFront = new Image("res/mapBG.png");
      Image heroHome = new Image("res/heroHomeIcon.png");
      Image nillaStore = new Image("res/VanillaStoreIcon.png");
      Image statue = new Image("res/statueIcon.png");
      Image board = new Image("res/boardIcon.png");
      
      //Music music = new Music("res/weekends.ogg");
      //music.loop();
      
      g.drawImage(townBack, 0 , 0);
      g.drawImage(townFront, 0 , 0);
      g.drawImage(heroHome, 447 , 35);
      g.drawImage(nillaStore, -45 , 177);
      g.drawImage(statue, 312 , 95);
      g.drawImage(board, 545 , 259);
      
      g.drawString("Hey, Hero!", 50, 50);//String, x, y
   }
   
   //Music music = new Music("res/weekends.ogg");
   //music.play();
   
   public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException{//Game AI, User Input, Game Logic
      
   }
   
   public int getID(){//returns State ID
      return 0;
   }

}


Here is what I am getting when the game crashes:
Quote:
Mon May 28 01:54:46 JST 2012 INFO:Slick Build #274
Mon May 28 01:54:46 JST 2012 INFO:LWJGL Version: 2.8.3
Mon May 28 01:54:46 JST 2012 INFO:OriginalDisplayMode: 1920 x 1080 x 32 @60Hz
Mon May 28 01:54:46 JST 2012 INFO:TargetDisplayMode: 760 x 480 x 0 @0Hz
Mon May 28 01:54:46 JST 2012 INFO:Starting display 760x480
Mon May 28 01:54:46 JST 2012 INFO:Use Java PNG Loader = true
Mon May 28 01:54:46 JST 2012 INFO:Controllers not available
Mon May 28 01:54:46 JST 2012 INFO:Initialising sounds..
Mon May 28 01:54:46 JST 2012 INFO:- Sound works
Mon May 28 01:54:46 JST 2012 INFO:- 64 OpenAL source available
Mon May 28 01:54:46 JST 2012 INFO:- Sounds source generated
AL lib: FreeContext: (000000000BAC72F0) Deleting 64 Source(s)
Exception in thread "main" java.lang.NoClassDefFoundError: com/jcraft/jorbis/Info
at org.newdawn.slick.openal.OggInputStream.<init>(OggInputStream.java:35)
at org.newdawn.slick.openal.OggDecoder.getData(OggDecoder.java:311)
at org.newdawn.slick.openal.SoundStore.getOgg(SoundStore.java:835)
at org.newdawn.slick.openal.SoundStore.getOgg(SoundStore.java:793)
at org.newdawn.slick.Music.<init>(Music.java:135)
at org.newdawn.slick.Music.<init>(Music.java:74)
at theGame.Menu.init(Menu.java:19)
at theGame.game.initStatesList(game.java:21)
at org.newdawn.slick.state.StateBasedGame.init(StateBasedGame.java:164)
at org.newdawn.slick.AppGameContainer.setup(AppGameContainer.java:390)
at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:314)
at theGame.game.main(game.java:32)
Caused by: java.lang.ClassNotFoundException: com.jcraft.jorbis.Info
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 12 more


I am sure my .ogg file is fine, I've tried it out with 3 others still not working. I even commented out the super to see if that could fix it.

P.S. I live in Okinawa Japan so its 2 am, need to sleep for 8 hours then continue. Thanks to everybody who is helping me out.
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davedes
PostPosted: Sun May 27, 2012 5:31 pm 
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Slick Zombie

Joined: Sat Jan 27, 2007 7:10 pm
Posts: 1469
You should load all resources including Images in init().

The error seems to be because jorbis-0.0.15.jar or jogg-0.0.7.jar are corrupt, or not included in your class path.
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Dudermomo
PostPosted: Mon May 28, 2012 1:00 am 
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Joined: Sun May 27, 2012 2:33 am
Posts: 4
Thank you so much!!!! problem resolved! I jumped out of bed to work on this, thank you all for the help!
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AtomizerZero
PostPosted: Mon May 28, 2012 11:33 am 
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Joined: Mon May 07, 2012 11:36 pm
Posts: 93
What did you do to solve it? , because i've just discovered i'm getting the same error.. thanks in advance :)
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