Wave file and Metronome(mediaplayer, tempo) implementation

pom.xml

@@ -17,6 +17,8 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.release>11</maven.compiler.release>
     <javafx.version>15</javafx.version>
+    <maven.compiler.source>18</maven.compiler.source>
+    <maven.compiler.target>18</maven.compiler.target>
   </properties>
 
   <dependencies>

src/main/java/com/utsusynth/utsu/engine/Engine.java

@@ -1,15 +1,16 @@
 package com.utsusynth.utsu.engine;
 
 import com.google.common.base.Function;
-import com.utsusynth.utsu.common.utils.RegionBounds;
 import com.utsusynth.utsu.common.StatusBar;
 import com.utsusynth.utsu.common.data.LyricConfigData;
 import com.utsusynth.utsu.common.exception.ErrorLogger;
 import com.utsusynth.utsu.common.quantize.Quantizer;
 import com.utsusynth.utsu.common.utils.PitchUtils;
+import com.utsusynth.utsu.common.utils.RegionBounds;
 import com.utsusynth.utsu.files.CacheManager;
 import com.utsusynth.utsu.files.PreferencesManager;
 import com.utsusynth.utsu.files.PreferencesManager.CacheMode;
+import com.utsusynth.utsu.model.song.Metronome;
 import com.utsusynth.utsu.model.song.Note;
 import com.utsusynth.utsu.model.song.NoteIterator;
 import com.utsusynth.utsu.model.song.Song;
@@ -140,6 +141,13 @@ public boolean startPlayback(
                     instrumentalPlayer.dispose();
                 }
             });
+            //Metronome
+            Metronome metro_gnome = new Metronome(
+                    "file:C:\\Users\\pedro\\source\\src\\main\\resources\\boop.wav",
+                    mediaPlayer,
+                    173
+            );
+
             mediaPlayer.play();
         }
         return finalSong.isPresent();

src/main/java/com/utsusynth/utsu/model/song/Metronome.java

@@ -0,0 +1,73 @@
+package com.utsusynth.utsu.model.song;
+
+import javafx.collections.ModifiableObservableListBase;
+import javafx.collections.ObservableList;
+import javafx.scene.media.Media;
+import javafx.scene.media.MediaMarkerEvent;
+import javafx.scene.media.MediaPlayer;
+
+import java.util.ArrayList;
+
+public class Metronome {
+    Media click;
+    MediaPlayer songPlayer;
+
+    public Metronome(
+        String clickUri,
+        MediaPlayer mp,
+        Integer t
+    ) {
+        this.click = new Media(
+                clickUri
+        );
+        this.songPlayer = mp;
+        attach(generateMarkers(mp.getTotalDuration().toSeconds(), t));
+    }
+
+    public void attach(
+            ObservableList<MediaMarkerEvent> markers
+    ) {
+//        songPlayer.getMarkers().put(markers);
+        songPlayer.setOnMarker((MediaMarkerEvent mme) -> {
+//            this.click.boop
+
+        });
+    }
+
+    private ObservableList<MediaMarkerEvent> generateMarkers(
+            double duration,
+            int tempo
+    ) {
+
+        ArrayList<MediaMarkerEvent> events = new ArrayList<MediaMarkerEvent>();
+        int steps = Math.floorDiv((int)duration, tempo);
+
+        // Not thread safe
+        return new ModifiableObservableListBase<MediaMarkerEvent>() {
+            @Override
+            public MediaMarkerEvent get(int i) {
+                return events.get(i);
+            }
+
+            @Override
+            public int size() {
+                return events.size();
+            }
+
+            @Override
+            protected void doAdd(int i, MediaMarkerEvent mediaMarkerEvent) {
+                events.add(i, mediaMarkerEvent);
+            }
+
+            @Override
+            protected MediaMarkerEvent doSet(int i, MediaMarkerEvent mediaMarkerEvent) {
+                return events.set(i, mediaMarkerEvent);
+            }
+
+            @Override
+            protected MediaMarkerEvent doRemove(int i) {
+                return events.remove(i);
+            }
+        };
+    }
+}