feat(tower_defense): implement first clear rewards

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

@@ -139,6 +139,9 @@ public class GameData {
     
     // Activity
     @Getter private static DataTable<ActivityDef> ActivityDataTable = new DataTable<>();
+
+    // Tower defense
+    @Getter private static DataTable<TowerDefenseLevelDef> TowerDefenseLevelDataTable = new DataTable<>();
     
     @Getter private static DataTable<TrialControlDef> TrialControlDataTable = new DataTable<>();
     @Getter private static DataTable<TrialGroupDef> TrialGroupDataTable = new DataTable<>();

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

@@ -0,0 +1,33 @@
+package emu.nebula.data.resources;
+
+import emu.nebula.data.BaseDef;
+import emu.nebula.data.ResourceType;
+import emu.nebula.game.inventory.ItemParamMap;
+import lombok.Getter;
+
+@Getter
+@ResourceType(name = "TowerDefenseLevel.json")
+public class TowerDefenseLevelDef extends BaseDef {
+    private int Id;
+    private int Condition2;
+    private int Condition3;
+    private int Item1;
+    private int Qty1;
+    private int Item2;
+    private int Qty2;
+
+    private transient ItemParamMap rewards;
+    
+    @Override
+    public int getId() {
+        return Id;
+    }
+
+    @Override
+    public void onLoad() {
+        // Parse rewards
+        this.rewards = new ItemParamMap();
+        this.rewards.add(this.Item1, this.Qty1);
+        this.rewards.add(this.Item2, this.Qty2);
+    }
+}