ClimbTowerLogic_SetLevelDiff

Common/Data/Excel/ClimbTowerAwardExcel.cs

@@ -0,0 +1,56 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("challenge/climbtower/climb_tower_award.json")]
+public class ClimbTowerAwardExcel : ExcelResource
+{
+    [JsonProperty("ID")] public uint ID { get; set; }
+    [JsonProperty("Diff")] public JToken? DiffRaw { get; set; }
+    [JsonProperty("FirstAward")] public List<List<uint>> FirstAward { get; set; } = [];
+    [JsonProperty("StarCount1")] public int StarCount1 { get; set; }
+    [JsonProperty("StarAward1")] public List<List<uint>> StarAward1 { get; set; } = [];
+    [JsonProperty("StarCount2")] public int StarCount2 { get; set; }
+    [JsonProperty("StarAward2")] public List<List<uint>> StarAward2 { get; set; } = [];
+    [JsonProperty("StarCount3")] public int StarCount3 { get; set; }
+    [JsonProperty("StarAward3")] public List<List<uint>> StarAward3 { get; set; } = [];
+
+    [JsonIgnore]
+    public int Diff => DiffRaw?.Type switch
+    {
+        JTokenType.Integer => Math.Max(1, DiffRaw.Value<int>()),
+        JTokenType.String when int.TryParse(DiffRaw.Value<string>(), out var value) => Math.Max(1, value),
+        _ => 1
+    };
+
+    public override uint GetId() => (ID * 10u) + (uint)Diff;
+
+    public override void Loaded()
+    {
+        if (!GameData.ClimbTowerAwardData.TryGetValue(ID, out var diffMap))
+        {
+            diffMap = [];
+            GameData.ClimbTowerAwardData[ID] = diffMap;
+        }
+
+        diffMap[Diff] = this;
+    }
+
+    public int GetStarCount(int group) => group switch
+    {
+        1 => StarCount1,
+        2 => StarCount2,
+        3 => StarCount3,
+        _ => 0
+    };
+
+    public IReadOnlyList<IReadOnlyList<uint>> GetRewards(int group) => group switch
+    {
+        0 => FirstAward,
+        1 => StarAward1,
+        2 => StarAward2,
+        3 => StarAward3,
+        _ => []
+    };
+}

Common/Data/Excel/ClimbTowerDiffExcel.cs

@@ -0,0 +1,18 @@
+using Newtonsoft.Json;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("challenge/climbtower/climb_tower_diff.json")]
+public class ClimbTowerDiffExcel : ExcelResource
+{
+    [JsonProperty("ID")] public uint ID { get; set; }
+    [JsonProperty("Level1")] public int Level1 { get; set; }
+    [JsonProperty("Level2")] public int Level2 { get; set; }
+
+    public override uint GetId() => ID;
+
+    public override void Loaded()
+    {
+        GameData.ClimbTowerDiffData[ID] = this;
+    }
+}

Common/Data/Excel/ClimbTowerLevelOrderExcel.cs

@@ -0,0 +1,17 @@
+using Newtonsoft.Json;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("challenge/climbtower/climb_tower_levelorder.json")]
+public class ClimbTowerLevelOrderExcel : ExcelResource
+{
+    [JsonProperty("ID")] public uint ID { get; set; }
+    [JsonProperty("LevelID")] public uint LevelID { get; set; }
+
+    public override uint GetId() => ID;
+
+    public override void Loaded()
+    {
+        GameData.ClimbTowerLevelOrderData[ID] = this;
+    }
+}

Common/Data/Excel/OtherItemExcel.cs

@@ -0,0 +1,38 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("item/templates/others.json")]
+public class OtherItemExcel : ExcelResource
+{
+    public uint Genre { get; set; }
+    public uint Detail { get; set; }
+    public uint Particular { get; set; }
+    public uint Level { get; set; }
+    [JsonProperty("GMnum")] public JToken? GMnumRaw { get; set; }
+
+    [JsonIgnore]
+    public uint GMnum => ReadUInt(GMnumRaw);
+
+    public override uint GetId() => (uint)GameResourceTemplateId.FromGdpl(Genre, Detail, Particular, Level);
+
+    public override void Loaded()
+    {
+        GameData.OtherItemData[GetId()] = this;
+    }
+
+    private static uint ReadUInt(JToken? token)
+    {
+        if (token == null)
+            return 0;
+
+        return token.Type switch
+        {
+            JTokenType.Integer => token.Value<uint>(),
+            JTokenType.Float => (uint)Math.Max(0, token.Value<decimal>()),
+            JTokenType.String when uint.TryParse(token.Value<string>(), out var value) => value,
+            _ => 0
+        };
+    }
+}

Common/Data/GameData.cs

@@ -34,7 +34,11 @@ public static class GameData
     public static Dictionary<uint, BossPvpBossExcel> BossPvpBossData { get; private set; } = [];
     public static Dictionary<uint, BossPvpNumExcel> BossPvpNumData { get; private set; } = [];
     public static Dictionary<uint, ClimbTowerTimeExcel> ClimbTowerTimeData { get; private set; } = [];
+    public static Dictionary<uint, ClimbTowerDiffExcel> ClimbTowerDiffData { get; private set; } = [];
+    public static Dictionary<uint, Dictionary<int, ClimbTowerAwardExcel>> ClimbTowerAwardData { get; private set; } = [];
+    public static Dictionary<uint, ClimbTowerLevelOrderExcel> ClimbTowerLevelOrderData { get; private set; } = [];
     public static Dictionary<uint, TowerLevelExcel> TowerLevelData { get; private set; } = [];
+    public static Dictionary<uint, OtherItemExcel> OtherItemData { get; private set; } = [];
     public static Dictionary<uint, ProfileExcel> ProfileData { get; private set; } = [];
     public static Dictionary<uint, CardSkinPartsExcel> CardSkinPartsData { get; private set; } = [];
     public static Dictionary<uint, CallItemExcel> CallItemData { get; private set; } = [];

GameServer/Server/CallGS/Handlers/Tower/ClimbTowerLogic_GetReward.cs

@@ -0,0 +1,449 @@
+using MikuSB.Data;
+using MikuSB.Data.Excel;
+using MikuSB.Database;
+using MikuSB.Database.Inventory;
+using MikuSB.Database.Player;
+using MikuSB.Enums.Item;
+using MikuSB.GameServer.Game.Player;
+using MikuSB.Proto;
+using System.Globalization;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Tower;
+
+[CallGSApi("ClimbTowerLogic_GetReward")]
+public class ClimbTowerLogic_GetReward : ICallGSHandler
+{
+    private const uint TowerGroupId = 3;
+    private const uint RewardStateSidBase = 100;
+    private const uint TowerLevelStateSidBase = 10000;
+    private const uint LaunchPassGroupId = 22;
+    private const uint AdvancedDiffSid = 4;
+
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        var player = connection.Player!;
+        var req = JsonSerializer.Deserialize<ClimbTowerGetRewardParam>(param);
+        if (req == null || req.Layer <= 0)
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_GetReward", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        var cycle = ResolveCurrentCycle(GameData.ClimbTowerTimeData.Values, DateTime.Now);
+        if (cycle == null)
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_GetReward", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        if (!TryResolveLayer(cycle, req.Layer, player.Data, out var towerIds, out var diff))
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_GetReward", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        if (!GameData.ClimbTowerAwardData.TryGetValue((uint)req.Layer, out var diffMap) ||
+            !diffMap.TryGetValue(diff, out var rewardCfg))
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_GetReward", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        var groups = ResolveRequestedGroups(req.Group);
+        if (groups.Count == 0)
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_GetReward", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        var claimableGroups = groups
+            .Where(group => CanClaimGroup(player.Data, rewardCfg, towerIds, req.Layer, group))
+            .Distinct()
+            .ToList();
+
+        if (claimableGroups.Count == 0)
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_GetReward", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        var sync = new NtfSyncPlayer();
+        var rewardStateAttr = GetOrCreateAttr(player.Data, TowerGroupId, RewardStateSidBase + (uint)req.Layer);
+        var responseRewards = new JsonArray();
+
+        foreach (var group in claimableGroups)
+        {
+            rewardStateAttr.Val |= 1u << GetFlagBitOffset(group);
+
+            foreach (var reward in rewardCfg.GetRewards(group))
+            {
+                if (reward.Count < 5)
+                    continue;
+
+                await GrantRewardAsync(player, sync, reward);
+                responseRewards.Add(new JsonArray(
+                    (int)reward[0],
+                    (int)reward[1],
+                    (int)reward[2],
+                    (int)reward[3],
+                    (int)reward[4]));
+            }
+        }
+
+        SyncAttr(sync, player, rewardStateAttr);
+        DatabaseHelper.SaveDatabaseType(player.Data);
+        DatabaseHelper.SaveDatabaseType(player.InventoryManager.InventoryData);
+        DatabaseHelper.SaveDatabaseType(player.CharacterManager.CharacterData);
+
+        var rsp = new JsonObject
+        {
+            ["tbRewards"] = responseRewards
+        };
+
+        await CallGSRouter.SendScript(connection, "ClimbTowerLogic_GetReward", rsp.ToJsonString(), sync);
+    }
+
+    private static async Task GrantRewardAsync(PlayerInstance player, NtfSyncPlayer sync, IReadOnlyList<uint> reward)
+    {
+        var itemType = (ItemTypeEnum)reward[0];
+        var detail = reward[1];
+        var particular = reward[2];
+        var level = reward[3];
+        var count = Math.Max(1u, reward[4]);
+
+        switch (itemType)
+        {
+            case ItemTypeEnum.TYPE_CARD:
+                for (var i = 0u; i < count; i++)
+                {
+                    var character = await player.CharacterManager.AddCharacter(itemType, detail, particular, level, sendPacket: false);
+                    if (character != null)
+                        sync.Items.Add(character.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_WEAPON:
+                for (var i = 0u; i < count; i++)
+                {
+                    var weapon = await player.InventoryManager.AddWeaponItem(itemType, detail, particular, level, sendPacket: false);
+                    if (weapon != null)
+                        sync.Items.Add(weapon.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_SUPPORT:
+                for (var i = 0u; i < count; i++)
+                {
+                    var support = await player.InventoryManager.AddSupportCardItem(detail, particular, level, sendPacket: false);
+                    if (support != null)
+                        sync.Items.Add(support.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_SUPPLIES:
+            {
+                var templateId = (uint)GameResourceTemplateId.FromGdpl(reward[0], detail, particular, level);
+                if (GameData.SuppliesData.TryGetValue(templateId, out var supplies))
+                {
+                    var item = await player.InventoryManager.AddSuppliesItem(supplies, count, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            }
+            case ItemTypeEnum.TYPE_USEABLE:
+            {
+                var item = AddOtherItem(player.InventoryManager.InventoryData, reward[0], detail, particular, level, count);
+                if (item != null)
+                    sync.Items.Add(item.ToProto());
+                break;
+            }
+            case ItemTypeEnum.TYPE_WEAPON_PART:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddWeaponPartItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_CARD_SKIN:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddSkinItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_HOUSE:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddHouseFurnitureItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_PROFILE:
+            case ItemTypeEnum.TYPE_FRAME:
+            case ItemTypeEnum.TYPE_BADGE:
+            case ItemTypeEnum.TYPE_COVER:
+            case ItemTypeEnum.TYPE_NAMECARD:
+            case ItemTypeEnum.TYPE_EXPRESSION:
+            case ItemTypeEnum.TYPE_BUBBLE:
+            case ItemTypeEnum.TYPE_ANALYST:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddProfileItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_WEAPON_SKIN:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddWeaponSkinItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_MANIFESTATION:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddManifestationItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_CARD_SKIN_PART:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddSkinPartItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_AR:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddArItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+            case ItemTypeEnum.TYPE_CALL:
+                for (var i = 0u; i < count; i++)
+                {
+                    var item = await player.InventoryManager.AddCallItem(itemType, detail, particular, level, sendPacket: false);
+                    if (item != null)
+                        sync.Items.Add(item.ToProto());
+                }
+                break;
+        }
+    }
+
+    private static BaseGameItemInfo? AddOtherItem(InventoryData inventory, uint genre, uint detail, uint particular, uint level, uint count)
+    {
+        var templateId = (uint)GameResourceTemplateId.FromGdpl(genre, detail, particular, level);
+        if (!GameData.OtherItemData.TryGetValue(templateId, out var otherItem))
+            return null;
+
+        var maxCount = otherItem.GMnum > 0 ? otherItem.GMnum : 99999u;
+        var existing = inventory.Items.Values.FirstOrDefault(x => x.TemplateId == templateId);
+        if (existing != null)
+        {
+            existing.ItemCount = Math.Min(existing.ItemCount + count, maxCount);
+            return existing;
+        }
+
+        var item = new BaseGameItemInfo
+        {
+            TemplateId = templateId,
+            UniqueId = inventory.NextUniqueUid++,
+            ItemType = ItemTypeEnum.TYPE_USEABLE,
+            ItemCount = Math.Min(count, maxCount)
+        };
+        inventory.Items[item.UniqueId] = item;
+        return item;
+    }
+
+    private static bool CanClaimGroup(
+        PlayerGameData data,
+        ClimbTowerAwardExcel rewardCfg,
+        IReadOnlyList<uint> towerIds,
+        int layer,
+        int group)
+    {
+        if (group is < 0 or > 3 || IsRewardClaimed(data, layer, group))
+            return false;
+
+        if (group == 0)
+            return IsLayerPass(data, towerIds);
+
+        var requiredStar = rewardCfg.GetStarCount(group);
+        return requiredStar > 0 && GetLayerStar(data, towerIds) >= requiredStar;
+    }
+
+    private static bool IsLayerPass(PlayerGameData data, IReadOnlyList<uint> towerIds)
+    {
+        foreach (var towerId in towerIds)
+        {
+            if (!GameData.ClimbTowerLevelOrderData.TryGetValue(towerId, out var orderCfg))
+                return false;
+
+            var passAttr = data.Attrs.FirstOrDefault(x => x.Gid == LaunchPassGroupId && x.Sid == orderCfg.LevelID);
+            if (passAttr == null || passAttr.Val == 0)
+                return false;
+        }
+
+        return true;
+    }
+
+    private static int GetLayerStar(PlayerGameData data, IReadOnlyList<uint> towerIds)
+    {
+        var total = 0;
+        foreach (var towerId in towerIds)
+        {
+            var attr = data.Attrs.FirstOrDefault(x => x.Gid == TowerGroupId && x.Sid == TowerLevelStateSidBase + towerId);
+            var value = attr?.Val ?? 0;
+            for (var i = 0; i < 9; i++)
+            {
+                if (((value >> i) & 1u) != 0)
+                    total++;
+            }
+        }
+
+        return total;
+    }
+
+    private static bool IsRewardClaimed(PlayerGameData data, int layer, int group)
+    {
+        var attr = data.Attrs.FirstOrDefault(x => x.Gid == TowerGroupId && x.Sid == RewardStateSidBase + (uint)layer);
+        if (attr == null)
+            return false;
+
+        var offset = GetFlagBitOffset(group);
+        return ((attr.Val >> offset) & 0xFu) > 0;
+    }
+
+    private static int GetFlagBitOffset(int group) => group switch
+    {
+        0 => 0,
+        1 => 4,
+        2 => 8,
+        3 => 12,
+        _ => 0
+    };
+
+    private static List<int> ResolveRequestedGroups(int? group)
+    {
+        if (!group.HasValue)
+            return [0, 1, 2, 3];
+
+        return group.Value is >= 0 and <= 3 ? [group.Value] : [];
+    }
+
+    private static bool TryResolveLayer(
+        ClimbTowerTimeExcel cycle,
+        int layer,
+        PlayerGameData data,
+        out IReadOnlyList<uint> towerIds,
+        out int diff)
+    {
+        var basicGroups = cycle.GetLevelGroups(1);
+        if (layer <= basicGroups.Count)
+        {
+            towerIds = basicGroups[layer - 1];
+            diff = 1;
+            return towerIds.Count > 0;
+        }
+
+        var advancedIndex = layer - basicGroups.Count;
+        var advancedGroups = cycle.GetLevelGroups(2);
+        if (advancedIndex <= 0 || advancedIndex > advancedGroups.Count)
+        {
+            towerIds = [];
+            diff = 0;
+            return false;
+        }
+
+        var diffAttr = data.Attrs.FirstOrDefault(x => x.Gid == TowerGroupId && x.Sid == AdvancedDiffSid);
+        diff = (int)(diffAttr?.Val ?? 0);
+        towerIds = advancedGroups[advancedIndex - 1];
+        return diff > 0 && towerIds.Count > 0;
+    }
+
+    private static ClimbTowerTimeExcel? ResolveCurrentCycle(IEnumerable<ClimbTowerTimeExcel> configs, DateTime now)
+    {
+        var parsed = configs
+            .Select(x => new
+            {
+                Config = x,
+                Start = ParseConfigTime(x.StartTime),
+                End = ParseConfigTime(x.EndTime)
+            })
+            .Where(x => x.Start.HasValue && x.End.HasValue)
+            .OrderBy(x => x.Start)
+            .ToList();
+
+        var current = parsed.FirstOrDefault(x => x.Start <= now && now < x.End);
+        if (current != null)
+            return current.Config;
+
+        var latestStarted = parsed.LastOrDefault(x => x.Start <= now);
+        if (latestStarted != null)
+            return latestStarted.Config;
+
+        return parsed.FirstOrDefault()?.Config;
+    }
+
+    private static DateTime? ParseConfigTime(string? raw)
+    {
+        if (string.IsNullOrWhiteSpace(raw))
+            return null;
+
+        var normalized = raw.Trim().Trim('[', ']');
+        if (normalized.Length != 12)
+            return null;
+
+        return DateTime.TryParseExact(
+            normalized,
+            "yyyyMMddHHmm",
+            CultureInfo.InvariantCulture,
+            DateTimeStyles.None,
+            out var value)
+            ? value
+            : null;
+    }
+
+    private static PlayerAttr GetOrCreateAttr(PlayerGameData data, uint gid, uint sid)
+    {
+        var attr = data.Attrs.FirstOrDefault(x => x.Gid == gid && x.Sid == sid);
+        if (attr != null)
+            return attr;
+
+        attr = new PlayerAttr
+        {
+            Gid = gid,
+            Sid = sid
+        };
+        data.Attrs.Add(attr);
+        return attr;
+    }
+
+    private static void SyncAttr(NtfSyncPlayer sync, PlayerInstance player, PlayerAttr attr)
+    {
+        sync.Custom[player.ToPackedAttrKey(attr.Gid, attr.Sid)] = attr.Val;
+        sync.Custom[player.ToShiftedAttrKey(attr.Gid, attr.Sid)] = attr.Val;
+    }
+}
+
+internal sealed class ClimbTowerGetRewardParam
+{
+    [JsonPropertyName("nType")]
+    public int? Type { get; set; }
+
+    [JsonPropertyName("nLayer")]
+    public int Layer { get; set; }
+
+    [JsonPropertyName("nGroup")]
+    public int? Group { get; set; }
+}

GameServer/Server/CallGS/Handlers/Tower/ClimbTowerLogic_SetLevelDiff.cs

@@ -0,0 +1,76 @@
+using MikuSB.Data;
+using MikuSB.Database;
+using MikuSB.Database.Player;
+using MikuSB.Proto;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Tower;
+
+[CallGSApi("ClimbTowerLogic_SetLevelDiff")]
+public class ClimbTowerLogic_SetLevelDiff : ICallGSHandler
+{
+    private const uint TowerGroupId = 3;
+    private const uint DiffSid = 4;
+    private const uint HisDiffSid = 5;
+
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        var player = connection.Player!;
+        var req = JsonSerializer.Deserialize<ClimbTowerSetLevelDiffParam>(param);
+        if (req == null || req.Diff <= 0)
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_SetLevelDiff", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        if (!GameData.ClimbTowerDiffData.ContainsKey((uint)req.Diff))
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_SetLevelDiff", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        var hisDiff = GetAttrValue(player.Data, TowerGroupId, HisDiffSid);
+        if (req.Diff > hisDiff + 1)
+        {
+            await CallGSRouter.SendScript(connection, "ClimbTowerLogic_SetLevelDiff", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        var diffAttr = GetOrCreateAttr(player.Data, TowerGroupId, DiffSid);
+        diffAttr.Val = (uint)req.Diff;
+
+        var sync = new NtfSyncPlayer();
+        sync.Custom[player.ToPackedAttrKey(diffAttr.Gid, diffAttr.Sid)] = diffAttr.Val;
+        sync.Custom[player.ToShiftedAttrKey(diffAttr.Gid, diffAttr.Sid)] = diffAttr.Val;
+
+        DatabaseHelper.SaveDatabaseType(player.Data);
+        await CallGSRouter.SendScript(connection, "ClimbTowerLogic_SetLevelDiff", "{}", sync);
+    }
+
+    private static uint GetAttrValue(PlayerGameData data, uint gid, uint sid)
+    {
+        return data.Attrs.FirstOrDefault(x => x.Gid == gid && x.Sid == sid)?.Val ?? 0;
+    }
+
+    private static PlayerAttr GetOrCreateAttr(PlayerGameData data, uint gid, uint sid)
+    {
+        var attr = data.Attrs.FirstOrDefault(x => x.Gid == gid && x.Sid == sid);
+        if (attr != null)
+            return attr;
+
+        attr = new PlayerAttr
+        {
+            Gid = gid,
+            Sid = sid
+        };
+        data.Attrs.Add(attr);
+        return attr;
+    }
+}
+
+internal sealed class ClimbTowerSetLevelDiffParam
+{
+    [JsonPropertyName("nDiff")]
+    public int Diff { get; set; }
+}