192 lines
9.9 KiB
C#
192 lines
9.9 KiB
C#
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using System.Buffers.Binary;
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using Ananta.SDK.Network;
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using Ananta.SDK.Rpc;
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using Ananta.SDK.Serialization;
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using Ananta.Server.Protocol.Client4229938;
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namespace Ananta.Server.Handlers.Game;
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/// <summary>
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/// 巡卫官（里希 / 15021021）盘查链路的最后一步 —— <b>开罚单出结果</b>。
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///
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/// <code>
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/// 客户端 PoliceExamineManager.lua:1163 gPoliceJobManager.cs:AskPoliceFine(pid, fineIdList)
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/// ⇒ C2S AskPoliceFineNpc(63548238)
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/// ⇒ 服务端必须回 S2C ShowReceiveRewardDetail(64145515) 且 Reason == ItemReason.PoliceFine(180001)
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/// ⇒ GameToClientImpl.lua:266 gPoliceJobManager:OnDropPoliceJobExp(msg.Reward)
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/// ⇒ PoliceExamineManager.lua:618 填 fineMoney / JobExpInfo
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/// ⇒ PoliceExamineManager.lua:601 ShowFineResult（罚款结果面板）
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/// </code>
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///
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/// ⛑⛑ <b>为什么之前"开罚单没结果"</b>：<c>AskPoliceFineNpc</c> 既没进
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/// <c>Enabled4229938MethodIds</c>（硬规则 94）也没 handler ⇒ 客户端 await 卡死，
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/// 服务端从来没回过掉落帧 ⇒ <c>needShowFineResult=true</c> 但 <c>OnDropPoliceJobExp</c>
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/// 永远不触发 ⇒ <c>ShowFineResult</c> 一次都没被调用。
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///
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/// ⛑ 反编译陷阱（又是同一条，见已作废结论）：
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/// <c>GameToClientImpl.lua:266</c> 里写的是 <c>if msg.Reason ~= ItemReason.PoliceFine then</c>，
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/// 字面读是"非罚款才回调"，但同一函数里 <c>if msg.Reason ~= Mall or msg.Reason ~= MallBundle</c>
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/// 恒为真会无条件 return ⇒ 字面读整段逻辑自相矛盾 ⇒ 反编译器把 <c>==</c> 翻成了 <c>~=</c>。
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/// 真意：<b>Reason == PoliceFine 时</b>才走 <c>OnDropPoliceJobExp</c>。
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///
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/// <c>ItemReason.PoliceFine = 180001</c>（dump.cs:1737137，enum ItemReason TypeDefIndex:32206）。
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///
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/// 回滚 = 删本文件 + 从 <c>GameRouter.cs</c> 白名单删掉 <c>MethodId.AskPoliceFineNpc</c>。
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/// </summary>
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internal sealed partial class GameRouter
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{
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/// <summary><c>ItemReason.PoliceFine</c>（dump.cs enum ItemReason）。唯一能让罚款结果弹出来的 Reason。</summary>
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internal const int ItemReasonPoliceFine = 180001;
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/// <summary>
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/// <c>UrbanJobJobClassConfig.Police</c> —— NCCA Officer / Detective / Inspector 的 JobClass
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/// （<c>UrbanJobConfig.json</c> 里 Id 301/302/303 三条 JobClass 全是 11300003，
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/// 里希 <c>DefaultUrbanJob=301</c>）。<c>JobExpInfo</c> 的 key 就是它。
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/// </summary>
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internal const uint PoliceJobClass = 11300003;
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// =================================================================================
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// ① C2S AskPoliceFineNpc(63548238)
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// =================================================================================
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/// <summary>
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/// 玩家在盘查面板里选完罪名、点「开罚单」时由 <b>C# 侧</b>发出来的那条。
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///
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/// 形状：<c>AskPoliceFine(ulong pid, object data)</c>（dump.cs:673124），data 是 <c>int[]</c>。
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/// 极性 CSharpOnly ⇒ lua 没有 writer 可抄、count 编码不确定 ⇒ <b>不硬解析</b>，
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/// 只把前 8 字节当 u64 pid 记日志，其余原样打 hex 留作取证。
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///
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/// ⛑ 用 <c>HandlerPacketKind.Both</c>：INVOKE / NOTIFY 都不能漏。
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/// INVOKE 不回执 ⇒ 客户端 await 到超时（硬规则 94 的同一类坑）。
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/// </summary>
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[Handler(MethodId.AskPoliceFineNpc, HandlerPacketKind.Both)]
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private async Task AskPoliceFineNpc(Connection conn, UxRpcMessage msg)
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{
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var hex = msg.Body.Length > 0 ? Convert.ToHexString(msg.Body) : "(empty)";
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ulong pid = msg.Body.Length >= 8
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? BinaryPrimitives.ReadUInt64LittleEndian(msg.Body.AsSpan(0, 8))
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: 0;
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// 先回执：这一条比什么都重要（INVOKE 不回 = 面板点不动）。
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await conn.ReturnEmptyOkAsync(msg);
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msg.Context.Session.Log.Info(
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$"[POLICE-FINE] AskPoliceFineNpc(63548238) pid={pid} bytes={msg.Body.Length} hex={hex}");
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// 立刻回掉落帧：Reason=PoliceFine ⇒ 客户端弹罚款结果。
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var (ok, message) = await PushFineRewardAsync(msg.Context.Session, DefaultFineMoney, DefaultFineJobExp);
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msg.Context.Session.Log.Info($"[POLICE-FINE] ShowReceiveRewardDetail(64145515) → ok={ok} {message}");
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}
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internal const double DefaultFineMoney = 500;
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internal const uint DefaultFineJobExp = 50;
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// =================================================================================
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// ② S2C ShowReceiveRewardDetail(64145515) —— 手搓字节
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// =================================================================================
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/// <summary>
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/// 推一帧 <c>ShowReceiveRewardDetail</c>(64145515, LuaOnly)，Reason = PoliceFine(180001)。
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///
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/// 载荷（照 <c>Auto.Reader[308]</c> / <c>Auto.Reader[500]</c>，<c>RPCDeserializeAuto.lua:37641 / 37521</c>）：
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/// <code>
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/// int32 Reason = 180001
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/// uint32 RewardTemplate = 0
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/// list FirstItemInfo = FF + int32 count + uint32* （空）
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/// cplx ExtraInfo = 00（null —— 必须 null！DropManager.lua:126 见 ExtraInfo 非空
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/// 就会拿 ExtraInfo.Pos 判"掉落物在地上"并 return，罚款结果就没了）
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/// dict Reward = FF + int32 count + { byte key, cplx RewardDetail }
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/// </code>
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/// <c>RewardDetail</c>（Reader[500]）28 个字段全按声明顺序写，空的集合一律 <c>FF + int32 0</c>
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/// （<c>Serializer.ReadList</c> / <c>ReadDict</c> = peek byte FF + <b>原始 int32</b> count，不带 +1 偏置；
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/// 只有 <c>ReadList7Bit</c> / <c>ReadDict7Bit</c> 才走 Int7 +1 偏置）。
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/// <c>SpiritTalentExpInfo</c> 是 ReadComplex ⇒ 写 00。
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///
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/// ⛑⛑ 关键判据（<c>PoliceExamineManager.lua:618</c>）：
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/// <code>
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/// fineMoney = Σ RewardDetail.Money
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/// if RewardDetail.JobExpInfo[Police] then JobExpInfo = RewardDetail.JobExpInfo end
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/// if JobExpInfo or fineMoney <= 0 then ShowFineResult() end
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/// </code>
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/// ⇒ <b>JobExpInfo 里必须命中 Police(11300003)</b>，否则 money>0 时永远不弹。
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/// 所以这里 money 与 exp 都给，双保险。
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/// </summary>
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internal static async Task<(bool Ok, string Message)> PushFineRewardAsync(
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TcpSession session, double money, uint jobExp, CancellationToken token = default)
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{
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var bytes = BuildFineRewardWire(money, jobExp);
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await session.NotifyAsync(MethodId.ShowReceiveRewardDetail, bytes, token);
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return (true, $"ShowReceiveRewardDetail(64145515) Reason=PoliceFine(180001) "
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+ $"money={money} jobExp[{PoliceJobClass}]={jobExp} bytes={bytes.Length}");
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}
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/// <summary>照 <c>Auto.Reader[308]</c> / <c>Auto.Reader[500]</c> 手搓 <c>ShowReceiveRewardDetail</c>。</summary>
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internal static byte[] BuildFineRewardWire(double money, uint jobExp)
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{
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var w = new UxWriter();
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// ---- Reader[308] ----
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w.I32(ItemReasonPoliceFine);
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w.U32(0); // RewardTemplate = 0 ⇒ DropManager 回落 DEFAULT_SHOW_TYPE
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EmptyList(w); // FirstItemInfo : list<uint32>
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w.U8(0x00); // ExtraInfo : null（必须！见上面注释）
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// ---- Reward : dict<byte, RewardDetail> ----
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w.U8(0xFF);
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w.I32(1);
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w.U8(1); // key = 1
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w.U8(0xFF); // complex present
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// ---- Reader[500] RewardDetail ----
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EmptyDict(w); // 1 DropIdCnt dict<uint32,uint32>
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w.U32(0); // 2 ReasonTextId
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w.Bool(false); // 3 FactionMerge
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w.F64(money); // 4 Money
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w.F64(0); // 5 Gold
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w.F64(0); // 6 BindingGold
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w.F64(0); // 7 FreeGold
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EmptyList(w); // 8 Items list<Reader[1172]>
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EmptyList(w); // 9 UrbanAbilityInfo list<Reader[1430]>
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EmptyList(w); // 10 UrbanAbilities list<int32>
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EmptyDict(w); // 11 AbilityExpInfo dict<uint32,uint32>
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EmptyDict(w); // 12 FanInfo dict<uint32,int32>
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EmptyDict(w); // 13 FactionDispositionInfo dict<uint32,int32>
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EmptyDict(w); // 14 FactionInfluenceInfo dict<uint32,int32>
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// 15 JobExpInfo dict<uint32,uint32> —— ★罚款结果能不能弹就看这里
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w.U8(0xFF);
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w.I32(1);
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w.U32(PoliceJobClass);
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w.U32(jobExp);
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EmptyDict(w); // 16 NpcFavors dict<uint32,uint32>
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EmptyDict(w); // 17 OriginalNpcFavors dict<uint32,uint32>
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w.F32(0); // 18 Popularity float
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w.U32(0); // 19 EyeCoinRewardCount
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w.U32(0); // 20 CommonSpiritTalentExp
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w.U8(0x00); // 21 SpiritTalentExpInfo complex → null
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EmptyList(w); // 22 WeaponList list<uint32>
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EmptyList(w); // 23 RumorIds list<uint32>
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EmptyDict(w); // 24 BattlePassExpInfo dict<uint32,uint32>
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EmptyDict(w); // 25 ExtractionShooterInfo dict<uint32,uint32>
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EmptyDict(w); // 26 SeasonProgressInfo dict<uint32,uint32>
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EmptyList(w); // 27 FishingFishRewards list<Reader[1074]>
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EmptyList(w); // 28 FishingGearRewards list<uint32>
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return w.ToArray();
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}
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/// <summary><c>Serializer.ReadList</c> 的空集合：peek FF + <b>原始 int32</b> count = 0。</summary>
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private static void EmptyList(UxWriter w)
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{
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w.U8(0xFF);
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w.I32(0);
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}
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/// <summary><c>Serializer.ReadDict</c> 的空字典：peek FF + <b>原始 int32</b> count = 0。</summary>
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private static void EmptyDict(UxWriter w)
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{
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w.U8(0xFF);
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w.I32(0);
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}
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}
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