implement shopMail giftPackage function

Co-authored-by: Kinesis <CCasusensa@users.noreply.github.com>

src/main/java/emu/grasscutter/game/inventory/GameItem.java

@@ -58,6 +58,9 @@ public class GameItem {
 	// Relic
 	private int mainPropId;
 	private List<Integer> appendPropIdList;
+
+	// shopMailBox
+	private int rewardBoxId;
 	
 	private int equipCharacter;
 	@Transient private int weaponEntityId;
@@ -90,7 +93,7 @@ public class GameItem {
 
 		// Equip data
 		if (getItemType() == ItemType.ITEM_WEAPON) {
-			this.level = this.count > 1 ? this.count : 1;
+			this.level = Math.max(this.count, 1);
 			this.affixes = new ArrayList<>(2);
 			if (getItemData().getSkillAffix() != null) {
 				for (int skillAffix : getItemData().getSkillAffix()) {
@@ -248,6 +251,14 @@ public class GameItem {
 		this.mainPropId = mainPropId;
 	}
 
+	public int getRewardBoxId() {
+		return rewardBoxId;
+	}
+
+	public void setRewardBoxId(int rewardBoxId) {
+		this.rewardBoxId = rewardBoxId;
+	}
+
 	public List<Integer> getAppendPropIdList() {
 		return appendPropIdList;
 	}

src/main/java/emu/grasscutter/game/managers/InventoryManager.java

@@ -7,11 +7,13 @@ import java.util.stream.Collectors;
 
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.common.ItemParamData;
+import emu.grasscutter.data.common.RewardBoxItemData;
 import emu.grasscutter.data.custom.OpenConfigEntry;
 import emu.grasscutter.data.custom.OpenConfigEntry.SkillPointModifier;
 import emu.grasscutter.data.def.AvatarPromoteData;
 import emu.grasscutter.data.def.AvatarSkillData;
 import emu.grasscutter.data.def.AvatarSkillDepotData;
+import emu.grasscutter.data.def.RewardBoxData;
 import emu.grasscutter.data.def.WeaponPromoteData;
 import emu.grasscutter.data.def.AvatarSkillDepotData.InherentProudSkillOpens;
 import emu.grasscutter.data.def.AvatarTalentData;
@@ -21,6 +23,7 @@ import emu.grasscutter.game.inventory.GameItem;
 import emu.grasscutter.game.inventory.ItemType;
 import emu.grasscutter.game.inventory.MaterialType;
 import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.props.ActionReason;
 import emu.grasscutter.net.proto.ItemParamOuterClass.ItemParam;
 import emu.grasscutter.net.proto.MaterialInfoOuterClass.MaterialInfo;
 import emu.grasscutter.server.game.GameServer;
@@ -897,6 +900,26 @@ public class InventoryManager {
 		player.sendPacket(new PacketDestroyMaterialRsp(returnMaterialMap));
 	}
 
+	private boolean handleRewardBox(Player player, GameItem useItem) {
+		List<RewardBoxData> rewardBoxDataList = GameData.getRewardBoxDataMap().values().stream().filter(x -> x.getId() == useItem.getRewardBoxId()).collect(Collectors.toList());
+		if (rewardBoxDataList.isEmpty()) {
+			return false;
+		}
+		List<GameItem> rewardItemList = new ArrayList<>();
+		for (RewardBoxItemData itemData : rewardBoxDataList.get(0).getRewardBoxItemList()) {
+			if (itemData.getItemId() == 0) {
+				continue;
+			}
+			String[] split = itemData.getItemCount().split(";");
+			int itemCount = Integer.parseInt(split[(int) (Math.random()* split.length)]);
+			rewardItemList.add(new GameItem(itemData.getItemId(), itemCount));
+		}
+		if (!rewardItemList.isEmpty()) {
+			player.getInventory().addItems(rewardItemList, ActionReason.Shop);
+		}
+		return true;
+	}
+
 	public GameItem useItem(Player player, long targetGuid, long itemGuid, int count) {
 		Avatar target = player.getAvatars().getAvatarByGuid(targetGuid);
 		GameItem useItem = player.getInventory().getItemByGuid(itemGuid);
@@ -918,6 +941,11 @@ public class InventoryManager {
 					used = player.getTeamManager().reviveAvatar(target) ? 1 : 0;
 				}
 				break;
+			case MATERIAL_CHEST:
+				if (useItem.getRewardBoxId() > 0) {
+					used = handleRewardBox(player, useItem) ? 1 : 0;
+				}
+				break;
 			default:
 				break;
 		}

src/main/java/emu/grasscutter/game/shop/ShopInfo.java

@@ -13,6 +13,7 @@ public class ShopInfo {
     private List<ItemParamData> costItemList;
     private int boughtNum = 0;
     private int buyLimit = 0;
+    private int showId = 0;
     private int beginTime = 0;
     private int endTime = 1924992000;
     private int minLevel = 0;
@@ -51,6 +52,7 @@ public class ShopInfo {
         this.mcoin = sgd.getCostMcoin();
         this.hcoin = sgd.getCostHcoin();
         this.buyLimit = sgd.getBuyLimit();
+        this.showId = sgd.getShowId();
 
         this.minLevel = sgd.getMinPlayerLevel();
         this.maxLevel = sgd.getMaxPlayerLevel();
@@ -180,6 +182,14 @@ public class ShopInfo {
         this.maxLevel = maxLevel;
     }
 
+    public int getShowId() {
+        return showId;
+    }
+
+    public void setShowId(int showId) {
+        this.showId = showId;
+    }
+
     public ShopRefreshType getShopRefreshType() {
         if (refreshType == null)
             return ShopRefreshType.NONE;