Fix starlight/ember exchange stores

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

@@ -2,8 +2,8 @@ package emu.lunarcore.data.excel;
 
 import emu.lunarcore.data.GameResource;
 import emu.lunarcore.data.ResourceType;
+import it.unimi.dsi.fastutil.ints.Int2ObjectAVLTreeMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
-import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import lombok.Getter;
 
 @Getter
@@ -15,7 +15,7 @@ public class ShopExcel extends GameResource {
     private transient Int2ObjectMap<ShopGoodsExcel> goods;
     
     public ShopExcel() {
-        this.goods = new Int2ObjectOpenHashMap<>();
+        this.goods = new Int2ObjectAVLTreeMap<>();
     }
     
     @Override

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

@@ -34,6 +34,9 @@ public class ShopGoodsExcel extends GameResource {
     
     @Override
     public void onLoad() {
+        // Skip if we dont have an item id associated with this goods excel
+        if (this.getItemID() == 0) return;
+        
         // Add to shop excel
         ShopExcel shop = GameData.getShopExcelMap().get(this.ShopID);
         if (shop == null) return;

src/main/java/emu/lunarcore/game/shop/ShopService.java

@@ -26,18 +26,20 @@ public class ShopService extends BaseGameService {
         ShopGoodsExcel goods = shop.getGoods().get(goodsId);
         if (goods == null) return null;
         
+        ItemExcel itemExcel = GameData.getItemExcelMap().get(goods.getItemID());
+        if (itemExcel == null) return null;
+        
         // Verify item params
         if (!player.getInventory().verifyItems(goods.getCostList(), count)) {
             return null;
         }
         
-        // Pay items
+        // Handle payment
         player.getInventory().removeItemsByParams(goods.getCostList(), count);
         
         // Buy items
         List<GameItem> items = new ArrayList<>();
 
-        ItemExcel itemExcel = GameData.getItemExcelMap().get(goods.getItemID());
         if (!itemExcel.isEquippable()) {
             GameItem item = new GameItem(itemExcel, goods.getItemCount() * count);
             items.add(item);

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

@@ -16,7 +16,7 @@ public class PacketGetShopListScRsp extends BasePacket {
                 .setShopType(shopType);
         
         for (ShopExcel shopExcel : GameData.getShopExcelMap().values()) {
-            if (shopExcel.getShopType() != shopType) {
+            if (shopExcel.getShopType() != shopType || shopExcel.getGoods().size() == 0) {
                 continue;
             }