implement BattlePass (Except missions) (#1316)

* BattlePass

* BattlePass

src/main/java/emu/grasscutter/game/battlepass/BattlePassManager.java

@@ -0,0 +1,40 @@
+package emu.grasscutter.game.battlepass;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.server.packet.send.PacketBattlePassCurScheduleUpdateNotify;
+
+public class BattlePassManager {
+
+    private final Player player;
+    private int point;
+    private int awardTakenLevel;
+
+    public BattlePassManager(Player player){
+        this.player = player;
+        point = player.getAccount().getPoint();
+        awardTakenLevel = player.getAccount().getAwardTakenLevel();
+    }
+
+    public void addPoint(int point){
+        this.point += point;
+        player.getAccount().setPoint(point);
+        player.getSession().send(new PacketBattlePassCurScheduleUpdateNotify(player.getSession().getPlayer()));
+        //save the point data
+        player.getAccount().save();
+    }
+
+    public void updateAwardTakenLevel(int level){
+        this.awardTakenLevel = level;
+        player.getAccount().setAwardTakenLevel(awardTakenLevel);
+        player.getSession().send(new PacketBattlePassCurScheduleUpdateNotify(player.getSession().getPlayer()));
+        player.getAccount().save();
+    }
+
+    public int getPoint() {
+        return point;
+    }
+
+    public int getAwardTakenLevel() {
+        return awardTakenLevel;
+    }
+}