feat: save highscores

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

@@ -0,0 +1,24 @@
+package eu.midnightdust.yaytris;
+
+import eu.midnightdust.yaytris.util.NightJson;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class HighScores {
+    private static final NightJson json = new NightJson(HighScores.class, "tetris_scores.json5");
+    public static Map<String, Integer> scores = new HashMap<>();
+
+    public static void addScore(int score) {
+        scores.put(String.valueOf(System.currentTimeMillis()), score);
+        write();
+    }
+
+    public static void load() {
+        json.readJson();
+    }
+
+    public static void write() {
+        json.writeJson();
+    }
+}

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

@@ -25,6 +25,7 @@ public class Tetris {
             UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
         } catch (Exception | Error e) { System.out.printf("%s: %s\n", "Error setting system look and feel", e); }
         Settings.load();
+        HighScores.load();
         timer = new Timer("Tetris falling pieces");
         space = new Space();
         ui = new TetrisUI();
@@ -51,6 +52,7 @@ public class Tetris {
 
     public static void stopGame() {
         SoundUtil.stopMusic("/music/theme.wav");
+        HighScores.addScore(space.getScore());
         if (gravityTask != null) gravityTask.cancel();
         timer.purge();
         if (ui.getMenuPanel() instanceof ScoreMenu) ((ScoreMenu) ui.getMenuPanel()).gameOver();

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

@@ -65,6 +65,10 @@ public class Space {
         return gameMap;
     }
 
+    public int getScore() {
+        return score;
+    }
+
     public void onLinesChanged(Tetromino tetromino, int... lines) {
         int combo = 0;
         Set<Integer> completedLines = new TreeSet<>();

tetris_scores.json5

@@ -0,0 +1,3 @@
+{
+	"scores": {"1754065988809": 105,"1754067853918": 113,"1754067067271": 49}
+}