Fix Menace Arena not saving properly

src/main/java/emu/nebula/data/GameData.java

@@ -132,6 +132,7 @@ public class GameData {
 
     // ===== Infinity Tower =====
     @Getter private static DataTable<InfinityTowerLevelDef> InfinityTowerLevelDataTable = new DataTable<>();
+    @Getter private static DataTable<InfinityTowerDifficultyDef> InfinityTowerDifficultyDataTable = new DataTable<>();
     
     // ===== Vampire Survivor =====
     @Getter private static DataTable<VampireSurvivorDef> VampireSurvivorDataTable = new DataTable<>();

src/main/java/emu/nebula/data/resources/InfinityTowerDifficultyDef.java

@@ -0,0 +1,19 @@
+package emu.nebula.data.resources;
+
+import emu.nebula.data.BaseDef;
+import emu.nebula.data.ResourceType;
+
+import lombok.Getter;
+
+@Getter
+@ResourceType(name = "InfinityTowerDifficulty.json")
+public class InfinityTowerDifficultyDef extends BaseDef {
+    private int Id;
+    private int TowerId;
+    
+    @Override
+    public int getId() {
+        return Id;
+    }
+    
+}

src/main/java/emu/nebula/data/resources/InfinityTowerLevelDef.java

@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import emu.nebula.data.BaseDef;
+import emu.nebula.data.GameData;
 import emu.nebula.data.ResourceType;
 import emu.nebula.game.inventory.ItemParamMap;
 import emu.nebula.game.inventory.ItemRewardParam;
@@ -25,8 +26,13 @@ public class InfinityTowerLevelDef extends BaseDef {
         return Id;
     }
     
-    public int getEnergyConsume() {
-        return 0;
+    public int getTowerId() {
+        var diff = GameData.getInfinityTowerDifficultyDataTable().get(this.DifficultyId);
+        if (diff == null) {
+            return 0;
+        }
+        
+        return diff.getTowerId();
     }
     
     public ItemParamMap generateRewards() {