Add basic handling of shops

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

@@ -28,6 +28,7 @@ public class GameData {
     @Getter private static Int2ObjectMap<MapEntranceExcel> mapEntranceExcelMap = new Int2ObjectOpenHashMap<>();
     @Getter private static Int2ObjectMap<HeroExcel> heroExcelMap = new Int2ObjectOpenHashMap<>();
     @Getter private static Int2ObjectMap<ChallengeExcel> challengeExcelMap = new Int2ObjectOpenHashMap<>();
+    @Getter private static Int2ObjectMap<ShopExcel> shopExcelMap = new Int2ObjectOpenHashMap<>();
     
     private static Int2ObjectMap<AvatarPromotionExcel> avatarPromotionExcelMap = new Int2ObjectOpenHashMap<>();
     private static Int2ObjectMap<AvatarSkillTreeExcel> avatarSkillTreeExcelMap = new Int2ObjectOpenHashMap<>();

src/main/java/emu/lunarcore/data/excel/ShopExcel.java

@@ -0,0 +1,26 @@
+package emu.lunarcore.data.excel;
+
+import emu.lunarcore.data.GameResource;
+import emu.lunarcore.data.ResourceType;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import lombok.Getter;
+
+@Getter
+@ResourceType(name = {"ShopConfig.json"})
+public class ShopExcel extends GameResource {
+    private int ShopID;
+    private int ShopType;
+    
+    private transient Int2ObjectMap<ShopGoodsExcel> goods;
+    
+    public ShopExcel() {
+        this.goods = new Int2ObjectOpenHashMap<>();
+    }
+    
+    @Override
+    public int getId() {
+        return ShopID;
+    }
+
+}

src/main/java/emu/lunarcore/data/excel/ShopGoodsExcel.java

@@ -0,0 +1,41 @@
+package emu.lunarcore.data.excel;
+
+import emu.lunarcore.data.GameData;
+import emu.lunarcore.data.GameResource;
+import emu.lunarcore.data.ResourceType;
+import emu.lunarcore.data.ResourceType.LoadPriority;
+import emu.lunarcore.proto.GoodsOuterClass.Goods;
+import lombok.Getter;
+
+@Getter
+@ResourceType(name = {"ShopGoodsConfig.json"}, loadPriority = LoadPriority.LOW)
+public class ShopGoodsExcel extends GameResource {
+    private int GoodsID;
+    private int ItemID;
+    private int ItemCount;
+    private int ShopID;
+    private int[] CurrencyList;
+    private int[] CurrencyCostList;
+    
+    @Override
+    public int getId() {
+        return GoodsID;
+    }
+    
+    @Override
+    public void onLoad() {
+        ShopExcel shop = GameData.getShopExcelMap().get(this.ShopID);
+        if (shop == null) return;
+        
+        shop.getGoods().put(this.GoodsID, this);
+    }
+
+    public Goods toProto() {
+        var proto = Goods.newInstance()
+                .setGoodsId(this.getGoodsID())
+                .setItemId(this.getItemID())
+                .setEndTime(Integer.MAX_VALUE);
+        
+        return proto;
+    }
+}

src/main/java/emu/lunarcore/server/packet/recv/HandlerBuyGoodsCsReq.java

@@ -0,0 +1,16 @@
+package emu.lunarcore.server.packet.recv;
+
+import emu.lunarcore.server.game.GameSession;
+import emu.lunarcore.server.packet.CmdId;
+import emu.lunarcore.server.packet.Opcodes;
+import emu.lunarcore.server.packet.PacketHandler;
+
+@Opcodes(CmdId.BuyGoodsCsReq)
+public class HandlerBuyGoodsCsReq extends PacketHandler {
+
+    @Override
+    public void handle(GameSession session, byte[] header, byte[] data) throws Exception {
+        session.send(CmdId.BuyGoodsScRsp);
+    }
+
+}

src/main/java/emu/lunarcore/server/packet/send/PacketGetShopListScRsp.java

@@ -1,6 +1,9 @@
 package emu.lunarcore.server.packet.send;
 
+import emu.lunarcore.data.GameData;
+import emu.lunarcore.data.excel.ShopExcel;
 import emu.lunarcore.proto.GetShopListScRspOuterClass.GetShopListScRsp;
+import emu.lunarcore.proto.ShopOuterClass.Shop;
 import emu.lunarcore.server.packet.BasePacket;
 import emu.lunarcore.server.packet.CmdId;
 
@@ -12,6 +15,23 @@ public class PacketGetShopListScRsp extends BasePacket {
         var data = GetShopListScRsp.newInstance()
                 .setShopType(shopType);
         
+        for (ShopExcel shopExcel : GameData.getShopExcelMap().values()) {
+            if (shopExcel.getShopType() != shopType) {
+                continue;
+            }
+            
+            Shop shop = Shop.newInstance()
+                    .setShopId(shopExcel.getId())
+                    .setCityLevel(1)
+                    .setEndTime(Integer.MAX_VALUE);
+            
+            for (var goodsExcel : shopExcel.getGoods().values()) {
+                shop.addGoodsList(goodsExcel.toProto());
+            }
+            
+            data.addShopList(shop);
+        }
+        
         this.setData(data);
     }
 }