Implement resident shop

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

@@ -18,6 +18,7 @@ import lombok.Getter;
 
 @SuppressWarnings("unused")
 public class GameData {
+    // Characters
     @Getter private static DataTable<CharacterDef> CharacterDataTable = new DataTable<>();
     @Getter private static DataTable<CharacterAdvanceDef> CharacterAdvanceDataTable = new DataTable<>();
     @Getter private static DataTable<CharacterSkillUpgradeDef> CharacterSkillUpgradeDataTable = new DataTable<>();
@@ -27,12 +28,14 @@ public class GameData {
     @Getter private static DataTable<TalentGroupDef> TalentGroupDataTable = new DataTable<>();
     @Getter private static DataTable<TalentDef> TalentDataTable = new DataTable<>();
     
+    // Discs
     @Getter private static DataTable<DiscDef> DiscDataTable = new DataTable<>();
     @Getter private static DataTable<DiscStrengthenDef> DiscStrengthenDataTable = new DataTable<>();
     @Getter private static DataTable<DiscItemExpDef> DiscItemExpDataTable = new DataTable<>();
     @Getter private static DataTable<DiscPromoteDef> DiscPromoteDataTable = new DataTable<>();
     @Getter private static DataTable<DiscPromoteLimitDef> DiscPromoteLimitDataTable = new DataTable<>();
     
+    // Items
     @Getter private static DataTable<ItemDef> ItemDataTable = new DataTable<>();
     @Getter private static DataTable<ProductionDef> ProductionDataTable = new DataTable<>();
     @Getter private static DataTable<PlayerHeadDef> PlayerHeadDataTable = new DataTable<>();
@@ -43,9 +46,14 @@ public class GameData {
     @Getter private static DataTable<MallShopDef> MallShopDataTable = new DataTable<>();
     @Getter private static DataTable<MallGemDef> MallGemDataTable = new DataTable<>();
     
+    @Getter private static DataTable<ResidentShopDef> ResidentShopDataTable = new DataTable<>();
+    @Getter private static DataTable<ResidentGoodsDef> ResidentGoodsDataTable = new DataTable<>();
+    
+    // Dictionary
     @Getter private static DataTable<DictionaryTabDef> DictionaryTabDataTable = new DataTable<>();
     @Getter private static DataTable<DictionaryEntryDef> DictionaryEntryDataTable = new DataTable<>();
     
+    // Instances
     @Getter private static DataTable<DailyInstanceDef> DailyInstanceDataTable = new DataTable<>();
     @Getter private static DataTable<DailyInstanceRewardGroupDef> DailyInstanceRewardGroupDataTable = new DataTable<>();
     @Getter private static DataTable<RegionBossLevelDef> RegionBossLevelDataTable = new DataTable<>();
@@ -62,9 +70,11 @@ public class GameData {
     @Getter private static DataTable<StoryDef> StoryDataTable = new DataTable<>();
     @Getter private static DataTable<StorySetSectionDef> StorySetSectionDataTable = new DataTable<>();
     
+    // Daily quests
     @Getter private static DataTable<DailyQuestDef> DailyQuestDataTable = new DataTable<>();
     @Getter private static DataTable<DailyQuestActiveDef> DailyQuestActiveDataTable = new DataTable<>();
     
+    // Star tower
     @Getter private static DataTable<StarTowerDef> StarTowerDataTable = new DataTable<>();
     @Getter private static DataTable<StarTowerStageDef> StarTowerStageDataTable = new DataTable<>();
     @Getter private static DataTable<PotentialDef> PotentialDataTable = new DataTable<>();

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

@@ -2,11 +2,10 @@ package emu.nebula.data.resources;
 
 import emu.nebula.data.BaseDef;
 import emu.nebula.data.ResourceType;
-import emu.nebula.data.ResourceType.LoadPriority;
 import lombok.Getter;
 
 @Getter
-@ResourceType(name = "Handbook.json", loadPriority = LoadPriority.LOW)
+@ResourceType(name = "Handbook.json")
 public class HandbookDef extends BaseDef {
     private int Id;
     private int Index;

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

@@ -0,0 +1,36 @@
+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 = "ResidentGoods.json")
+public class ResidentGoodsDef extends BaseDef {
+    private int Id;
+    private int ShopId;
+    private int MaximumLimit;
+    
+    private int ItemId;
+    private int ItemQuantity;
+
+    private int CurrencyItemId;
+    private int Price;
+    
+    private transient ItemParamMap products;
+    
+    @Override
+    public int getId() {
+        return Id;
+    }
+    
+    @Override
+    public void onLoad() {
+        this.products = new ItemParamMap();
+        
+        if (this.ItemId > 0) {
+            this.products.add(this.ItemId, this.ItemQuantity);
+        }
+    }
+}

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

@@ -0,0 +1,16 @@
+package emu.nebula.data.resources;
+
+import emu.nebula.data.BaseDef;
+import emu.nebula.data.ResourceType;
+import lombok.Getter;
+
+@Getter
+@ResourceType(name = "ResidentShop.json")
+public class ResidentShopDef extends BaseDef {
+    private int Id;
+    
+    @Override
+    public int getId() {
+        return Id;
+    }
+}

src/main/java/emu/nebula/game/inventory/Inventory.java

@@ -594,6 +594,11 @@ public class Inventory extends PlayerManager implements GameDatabaseObject {
             change = new PlayerChangeInfo();
         }
         
+        // Sanity check
+        if (buyCount <= 0) {
+            return change;
+        }
+        
         // Make sure we have the currency
         int cost = buyCount * currencyCount;
         

src/main/java/emu/nebula/server/handlers/HandlerResidentShopGetReq.java

@@ -0,0 +1,31 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.Public.ResidentShop;
+import emu.nebula.proto.ResidentShopGet.ResidentShopGetResp;
+import emu.nebula.net.HandlerId;
+import emu.nebula.data.GameData;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.resident_shop_get_req)
+public class HandlerResidentShopGetReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Build response
+        var rsp = ResidentShopGetResp.newInstance();
+        
+        for (var data : GameData.getResidentShopDataTable()) {
+            var proto = ResidentShop.newInstance()
+                    .setId(data.getId())
+                    .setRefreshTime(Long.MAX_VALUE);
+            
+            rsp.addShops(proto);
+        }
+        
+        // Encode and send
+        return session.encodeMsg(NetMsgId.resident_shop_get_succeed_ack, rsp);
+    }
+
+}

src/main/java/emu/nebula/server/handlers/HandlerResidentShopPurchaseReq.java

@@ -0,0 +1,46 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.ResidentShopPurchase.ResidentShopPurchaseReq;
+import emu.nebula.proto.ResidentShopPurchase.ResidentShopPurchaseResp;
+import emu.nebula.net.HandlerId;
+import emu.nebula.data.GameData;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.resident_shop_purchase_req)
+public class HandlerResidentShopPurchaseReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Parse request
+        var req = ResidentShopPurchaseReq.parseFrom(message);
+        
+        // Get goods
+        var data = GameData.getResidentGoodsDataTable().get(req.getGoodsId());
+        if (data == null) {
+            return session.encodeMsg(NetMsgId.resident_shop_purchase_failed_ack);
+        }
+        
+        // Buy
+        var change = session.getPlayer().getInventory().buyItem(
+                data.getCurrencyItemId(),
+                data.getPrice(),
+                data.getProducts(),
+                req.getNumber()
+        );
+        
+        // Build response
+        var rsp = ResidentShopPurchaseResp.newInstance()
+                .setChange(change.toProto())
+                .setPurchasedNumber(0); // Prevent avaliable item count from decreasing
+        
+        rsp.getMutableShop()
+            .setId(data.getShopId())
+            .setRefreshTime(Long.MAX_VALUE);
+        
+        // Encode and send
+        return session.encodeMsg(NetMsgId.resident_shop_purchase_succeed_ack, rsp);
+    }
+
+}