playMoveSound added

OOP_2B1_Project/src/backend/Board.java

@@ -1,4 +1,8 @@
 package backend;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+
 
 import java.util.ArrayList;
 
@@ -22,12 +26,17 @@ private Integer selectedY = null;
 
 private ArrayList<int[]> highlightedPositions = new ArrayList<>();
 
+/* ======  AUDIO STATE  ====== */
+private Clip moveClip;     
+private boolean soundEnabled = false;   
 
 
 	public Board(int colNum, int lineNum) {
 		this.Width=colNum;
 		this.Height=lineNum;
 		this.pieces= new ArrayList <> ();
+	    initMoveSound();               
+
 		
 		
 		
@@ -199,6 +208,8 @@ private ArrayList<int[]> highlightedPositions = new ArrayList<>();
 	                            throw new IllegalArgumentException("Unknown piece type");
 	                    }
 	                    pieces.add(newPiece);
+	                    
+	                    playMoveSound();
 
 	                    turnNumber++;
 	                    turnIsWhite = !turnIsWhite;
@@ -329,4 +340,34 @@ public ArrayList<Piece> getAllPieces() {
 public boolean isInBounds(int row, int col) {
     return row >= 0 && row < 8 && col >= 0 && col < 8;
 }
+private void initMoveSound() {
+    try {
+        AudioInputStream ais = AudioSystem.getAudioInputStream(
+                Board.class.getResource("/sounds/move.wav"));
+
+        if (ais == null) {                       // resource not found
+            System.err.println("move.wav not on class-path!");
+            return;
+        }
+
+        moveClip = AudioSystem.getClip();
+        moveClip.open(ais);
+
+        soundEnabled = true;                     //  <<<  MISSING LINE
+        System.out.println("Move-sound loaded OK");
+    } catch (Exception e) {
+        e.printStackTrace();
+        soundEnabled = false;
+    }
+}
+
+private void playMoveSound() {
+    if (!soundEnabled || moveClip == null) return;
+
+    if (moveClip.isRunning()) {
+        moveClip.stop();          
+    }
+    moveClip.setFramePosition(0);
+    moveClip.start();             
+}
 }