feat: add line completed sound

src/main/java/eu/midnightdust/yaytris/Tetris.java

@@ -28,10 +28,6 @@ public class Tetris {
         ui = new TetrisUI();
     }
 
-    public static TetrisUI getUi() {
-        return ui;
-    }
-
     public static Space getSpace() {
         return space;
     }

src/main/java/eu/midnightdust/yaytris/game/Space.java

@@ -1,6 +1,7 @@
 package eu.midnightdust.yaytris.game;
 
 import eu.midnightdust.yaytris.Tetris;
+import eu.midnightdust.yaytris.util.SoundEffect;
 
 import java.awt.Color;
 import java.util.*;
@@ -76,6 +77,7 @@ public class Space {
                 combo *= completedLines.size();
             }
         }
+        if (!completedLines.isEmpty()) SoundEffect.LINE_COMPLETED.play();
         for (int completedIndex = 0; completedIndex < completedLines.size(); completedIndex++) { // Remove completed lines
             int line = completedLines.toArray(new Integer[0])[completedIndex];
             for (int i = line; i >= 0; i--) {

src/main/java/eu/midnightdust/yaytris/game/Tetromino.java

@@ -21,7 +21,7 @@ public class Tetromino {
     public boolean fall() {
         Vec2i newPos = centerPos.offset(Vec2i.of(0, 1));
         if (collidesVertically(newPos)) {
-            SoundEffect.BEEP.play();
+            SoundEffect.BOOP.play();
             int[] affectedLines = new int[this.collision.length];
             int line = centerPos.getY();
             for (int i = 0; i < this.collision.length; i++) {

src/main/java/eu/midnightdust/yaytris/util/SoundEffect.java

@@ -1,7 +1,7 @@
 package eu.midnightdust.yaytris.util;
 
 public enum SoundEffect {
-    BEEP("/sounds/beep.wav");
+    BOOP("/sounds/boop.wav"), LINE_COMPLETED("/sounds/line-completed.wav");
 
     final String location;
     SoundEffect(String location) {

tetris_settings.json5

@@ -1,5 +1,5 @@
 {
-	"musicVolume": 100,
+	"musicVolume": 25,
 	"soundVolume": 100,
 	"guiScale": 5.0,
 	"difficulty": "NORMAL"