345 lines
16 KiB
C#
345 lines
16 KiB
C#
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using System.Buffers.Binary;
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using System.Text;
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using Ananta.SDK.Rpc;
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using Ananta.Server.Configuration;
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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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/// Scene devices — doors, vending machines, fridges, arcades, signs.
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///
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/// Why "the fridge does nothing": an <c>Ask*</c> device INVOKE is only a REQUEST. The client's
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/// device-state manager waits for the server to <b>echo the transition</b> before it runs the
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/// presentation (door animation, fridge open, vending purchase). The donor handoff
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/// (HANDOFF-2026-09-18) walked exactly this path: round 13 added the echo, 13A removed it on a
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/// test that never happened, and 15D restored it from the one session whose log proved it worked
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/// (03:50 — the countdown door ran 9→6 cleanly with check=0 throughout; without the echo the same
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/// door re-fired 23× with the state DECREASING and the checkIndex escalating). Our logs show the
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/// very same signature today: AskSceneDeviceChangeState ×333 and AskSceneDeviceRecordValue ×364,
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/// all of them still on the generic neutral fallback.
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///
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/// Wire (all CSharpOnly: raw fields, ZERO markers):
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/// <code>
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/// C2S AskSceneDeviceChangeState 67226162 (22b) = u8 type | u64 id | i32 stateType | i32 state
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/// | i32 checkIndex | u8 trailing
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/// C2S AskSceneDeviceRecordValue 67703474 (21b) = u8 type | u64 id | i32 valueName
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/// | string value (BIASED len + UTF-8)
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/// | i32 checkIndex | trailing
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/// reply (both) = SceneDeviceCheckIndexCallback { int CheckIndex; uint Error; } = 8 bytes
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/// S2C SyncSceneDeviceStateChange 68165561 (21b) = u8 type | u64 id | i32 stateType | i32 state
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/// | i32 checkIndex
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/// S2C SyncSceneDeviceValueChange 68332775 = u8 type | u64 id | i32 valueName
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/// | string value | i32 checkIndex
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/// </code>
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/// Two traps baked into the code below:
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/// 1. <b>String bias is asymmetric.</b> C2S device strings are BIASED (len+1 — a 9-char
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/// "StartMind" arrives as 0x0A); S2C strings are RAW (ReadStringOrNull @0x189AAB3D0).
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/// 2. <b>Never push SyncSceneDeviceSignalSend(68477555).</b> The client relays a server signal
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/// echo back as its own request — 13A measured 14×/s. That one echo is a real loop.
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/// </summary>
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internal sealed partial class GameRouter
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{
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/// <summary>AskSceneDeviceChangeState(67226162) / AskSceneDeviceRecordValue(67703474).</summary>
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[Handler(MethodId.AskSceneDeviceChangeState, HandlerPacketKind.Invoke)]
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private async Task OnAskSceneDeviceChangeState(Connection conn, UxRpcMessage msg)
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{
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var cfg = PrivateServerConfigStore.Current.World.Content.SceneDevices;
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var body = msg.Body;
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if (body.Length < 21)
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{
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conn.Log.Warn($"[SCENE-DEVICE] change-state short body bytes={body.Length} " +
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$"hex={Convert.ToHexString(body)}");
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await conn.ReturnEmptyOkAsync(msg);
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return;
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}
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byte type = body[0];
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ulong id = BinaryPrimitives.ReadUInt64LittleEndian(body.AsSpan(1));
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int stateType = BinaryPrimitives.ReadInt32LittleEndian(body.AsSpan(9));
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int state = BinaryPrimitives.ReadInt32LittleEndian(body.AsSpan(13));
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int checkIndex = BinaryPrimitives.ReadInt32LittleEndian(body.AsSpan(17));
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var echo = cfg.Enabled && cfg.EchoState && !EchoOff(cfg, id);
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conn.Log.Info($"[SCENE-DEVICE] change-state id={id} type={type} stateType={stateType} " +
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$"state={state} check={checkIndex}{(echo ? " + echo" : "")}");
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if (echo)
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{
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await PushDeviceStateAsync(conn, type, id, stateType, state, checkIndex);
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}
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await msg.Context.ReturnAsync(SceneDeviceOkReply(checkIndex));
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}
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/// <summary>AskSceneDeviceRecordValue(67703474) — value records (vending count, sign text).</summary>
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[Handler(MethodId.AskSceneDeviceRecordValue, HandlerPacketKind.Invoke)]
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private async Task OnAskSceneDeviceRecordValue(Connection conn, UxRpcMessage msg)
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{
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var cfg = PrivateServerConfigStore.Current.World.Content.SceneDevices;
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var body = msg.Body;
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if (body.Length < 14)
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{
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conn.Log.Warn($"[SCENE-DEVICE] record-value short body bytes={body.Length} " +
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$"hex={Convert.ToHexString(body)}");
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await conn.ReturnEmptyOkAsync(msg);
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return;
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}
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byte type = body[0];
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ulong id = BinaryPrimitives.ReadUInt64LittleEndian(body.AsSpan(1));
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int valueName = BinaryPrimitives.ReadInt32LittleEndian(body.AsSpan(9));
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// C2S device strings are BIASED: the byte at 13 is len+1.
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int len = body[13] - 1;
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if (len < 0)
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{
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len = 0;
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}
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if (14 + len + 4 > body.Length)
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{
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len = Math.Max(0, body.Length - 18);
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}
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var value = new byte[len];
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Array.Copy(body, 14, value, 0, len);
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int checkIndex = 14 + len + 4 <= body.Length
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? BinaryPrimitives.ReadInt32LittleEndian(body.AsSpan(14 + len))
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: 0;
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var echo = cfg.Enabled && cfg.EchoValue && !EchoOff(cfg, id);
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conn.Log.Info($"[SCENE-DEVICE] record-value id={id} type={type} name={valueName} " +
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$"value=\"{Encoding.UTF8.GetString(value)}\" check={checkIndex}{(echo ? " + echo" : "")}");
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if (echo)
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{
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await PushDeviceValueAsync(conn, type, id, valueName, value, checkIndex);
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}
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await msg.Context.ReturnAsync(SceneDeviceOkReply(checkIndex));
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}
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/// <summary>CheckCanOccupySceneDevice(67063877) / ReleaseOccupySceneDevice(67244136): void.</summary>
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[Handler(MethodId.CheckCanOccupySceneDevice, HandlerPacketKind.Invoke)]
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[Handler(MethodId.ReleaseOccupySceneDevice, HandlerPacketKind.Invoke)]
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private Task OnSceneDeviceOccupy(Connection conn, UxRpcMessage msg)
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{
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if (msg.Body.Length >= 9)
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{
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conn.Log.Info($"[SCENE-DEVICE] {Ananta.SDK.Logging.RpcMethodNames.Display(msg.MethodId)} " +
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$"id={BinaryPrimitives.ReadUInt64LittleEndian(msg.Body.AsSpan(1))}");
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}
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return conn.ReturnEmptyOkAsync(msg);
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}
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/// <summary>
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/// AskCheckSpoonConditionByType(67709054) — "may I run this device script?".
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///
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/// ⛔⛔ **2026-09-28 实机订正（用户验证）—— 下面这段旧说法是错的，已改写，别再改回去：**
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/// 旧文："The generated neutral default is 0x00 = false, which is precisely what makes an
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/// interaction appear dead: the client asks, we say no, and nothing plays. Donor round 13
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/// answers 0x01." —— donor 那条从未实测，只是推断；对**衣柜这一族实测结果完全相反**。
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///
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/// 实测（塔菲公寓衣柜 uid 14013633775178039662）：
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/// · 答 0x01(true)：F 提示一闪即没、换装打不开，`[SPOON] action` 只发 2 次就停
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/// （packets-20260928-204201.log 21:03:18.961 S2C hex=01）。
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/// · 答 0x00(false)：F 常驻，22:46:44 `[SPOON] action` 触发，payload 与能换装的对照组
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/// v1.5 逐字节相同（console-20260928-224215.log）。
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/// 对照组 v1.5 没有本 handler，走 DefaultReturnCatalog4229938 兜底 0x00 ⇒ 衣柜一直可用。
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/// ⇒ **true 才是让交互挂死的那个值**：客户端拿到 true 就把交互交给服务端 spoon 脚本流程，
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/// 而 AskDoSpoonServerActionByType 我们只回空 OK、给不出任何脚本输出 ⇒ 卡死、提示被撤。
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/// 答 false 时客户端走本地表现，脚本照跑。
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/// 开关：<see cref="Ananta.Server.Configuration.SceneDeviceSettings.SpoonConditionTrue"/>
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/// （默认已改为 false；配置里 `world.content.sceneDevices.spoonConditionTrue` 显式 false）。
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/// 另见 `PrivateServerConfig.cs` 该字段的完整实测记录。
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/// </summary>
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[Handler(MethodId.AskCheckSpoonConditionByType, HandlerPacketKind.Invoke)]
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private Task OnAskCheckSpoonConditionByType(Connection conn, UxRpcMessage msg)
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{
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var cfg = PrivateServerConfigStore.Current.World.Content.SceneDevices;
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var ok = cfg.Enabled && cfg.SpoonConditionTrue;
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conn.Log.Info($"[SPOON] condition -> {ok}");
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return msg.Context.ReturnAsync([ok ? (byte)0x01 : (byte)0x00]);
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}
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/// <summary>AskGetSpoonServerOutputPortIndexByType(67346473): raw u32, always 0.</summary>
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[Handler(MethodId.AskGetSpoonServerOutputPortIndexByType, HandlerPacketKind.Invoke)]
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private Task OnAskGetSpoonServerOutputPortIndexByType(Connection conn, UxRpcMessage msg)
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{
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conn.Log.Info($"[SPOON] output-port bytes={msg.Body.Length}");
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return msg.Context.ReturnAsync([0x00, 0x00, 0x00, 0x00]);
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}
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/// <summary>AskDoSpoonServerActionByType(67863523): void. Logged — the payload carries the port.</summary>
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[Handler(MethodId.AskDoSpoonServerActionByType, HandlerPacketKind.Invoke)]
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private Task OnAskDoSpoonServerActionByType(Connection conn, UxRpcMessage msg)
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{
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conn.Log.Info($"[SPOON] action bytes={msg.Body.Length} hex={Convert.ToHexString(msg.Body)}");
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return conn.ReturnEmptyOkAsync(msg);
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}
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// --- wire helpers ------------------------------------------------------------------------
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/// <summary>SceneDeviceCheckIndexCallback { int CheckIndex; uint Error; } — 8 bytes, Error = 0.</summary>
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private static byte[] SceneDeviceOkReply(int checkIndex)
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{
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var reply = new byte[8];
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BinaryPrimitives.WriteInt32LittleEndian(reply, checkIndex);
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return reply;
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}
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private static bool EchoOff(SceneDeviceSettings cfg, ulong id)
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{
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if (cfg.EchoOffIds is null || cfg.EchoOffIds.Length == 0)
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{
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return false;
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}
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var text = id.ToString();
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return Array.IndexOf(cfg.EchoOffIds, text) >= 0;
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}
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/// <summary>SyncSceneDeviceStateChange(68165561) — 21 raw bytes, no markers.</summary>
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private static Task PushDeviceStateAsync(
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Connection conn, byte type, ulong id, int stateType, int state, int checkIndex)
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{
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var body = new byte[21];
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body[0] = type;
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BinaryPrimitives.WriteUInt64LittleEndian(body.AsSpan(1), id);
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BinaryPrimitives.WriteInt32LittleEndian(body.AsSpan(9), stateType);
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BinaryPrimitives.WriteInt32LittleEndian(body.AsSpan(13), state);
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BinaryPrimitives.WriteInt32LittleEndian(body.AsSpan(17), checkIndex);
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return conn.Session.NotifyAsync(MethodId.SyncSceneDeviceStateChange, body, CancellationToken.None);
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}
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/// <summary>SyncSceneDeviceValueChange(68332775) — S2C strings are RAW-length, not biased.</summary>
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private static Task PushDeviceValueAsync(
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Connection conn, byte type, ulong id, int valueName, byte[] value, int checkIndex)
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{
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var body = new List<byte>(18 + value.Length);
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body.Add(type);
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var head = new byte[12];
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BinaryPrimitives.WriteUInt64LittleEndian(head, id);
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BinaryPrimitives.WriteInt32LittleEndian(head.AsSpan(8), valueName);
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body.AddRange(head);
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WriteRaw7(body, value.Length);
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body.AddRange(value);
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var tail = new byte[4];
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BinaryPrimitives.WriteInt32LittleEndian(tail, checkIndex);
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body.AddRange(tail);
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return conn.Session.NotifyAsync(
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MethodId.SyncSceneDeviceValueChange, body.ToArray(), CancellationToken.None);
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}
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/// <summary>Raw 7-bit varint (no +1 bias) — the S2C string length encoding.</summary>
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private static void WriteRaw7(List<byte> sink, int value)
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{
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var v = (uint)value;
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while (v >= 0x80u)
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{
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sink.Add((byte)(v | 0x80u));
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v >>= 7;
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}
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sink.Add((byte)v);
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}
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// --------------------------------------------------------------------------------------
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// AskSceneDeviceSendSignal (67144566) — 2026-09-27，桌面清单 T1-44 P0。
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//
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// 为什么排 P0：**它是 `unknown-methods.log` 里出现最多的 INVOKE**（全量 249 次，09-25 以后 74 次），
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// 而且解出来的 `signalName` 不是设备状态，是**玩法/任务/特效信号** —— 服务端此前一条都收不到：
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//
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// | signalName | 次数 | 含义（按名字推断） |
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// |---|---|---|
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// | `FinishMind` | 238 | 心智/意志玩法结束（集中在两个固定 gadget uid） |
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// | `StartMind` | 4 | 同上，开始 |
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// | `BowlingInviteTimelinePlay` | 2 | 保龄球邀请时间轴播放 |
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// | `TaskFinish60001155` | 2 | **任务 60001155 完成**（gadget 上触发） |
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// | `SmokeFX Off` | 2 | 烟雾特效关闭 |
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// | `carshop` | 1 | 车店 |
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//
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// ⛑ `TaskFinish60001155` 值得盯：服务端一直不知道任务什么时候完成（T2-9 任务面板那条线
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// 缺的就是"真实达成"的事件钩子），这条是客户端唯一主动上报任务完成的通道之一。
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//
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// 方向：**INVOKE**（`ClientToGameSceneDelegate.lua:899` 是 `self.Invoke(...)`）。
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// 返回：`UXRPCTask`（void，`RPCDeserializeAuto.lua:14968` 的 reader 函数体为空）⇒ **空 OK 即正解**。
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//
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// Wire（与 `AskSceneDeviceRecordValue` 同族，**raw，零 marker**）：
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// `u8 type | u64 id | string signalName`
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// type = `SceneDeviceEntityType`（dump.cs:1749290 **只有两个值**：`Gadget = 0` / `Destructible = 1`；
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// 观测到的 249 条全部是 **0 = Gadget**）
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// signalName = **偏置** 7-bit varint 长度 + UTF-8（与本文件 RecordValue 的 C2S 字符串同规则，
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// ⛑ 不是 S2C 的 raw —— 见本文件头"陷阱 1：字符串偏置是不对称的"）
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//
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// ⛑⛑ **绝对不要在这个 handler 里推 `SyncSceneDeviceSignalSend`(68477555)**：本文件头已记录，
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// 客户端会把服务端推的信号**当自己的请求再发回来**（donor 13A 实测 **14 次/秒**）⇒ 真回环。
|
|||
|
|
// 这里只回空 OK + 打日志。将来真要驱动玩法，另开一条不会回环的路。
|
|||
|
|
//
|
|||
|
|
// ⛑ 硬规则 94：id 必须进 `GameRouter.cs` 的 `Enabled4229938MethodIds`，否则编译过但不注册。
|
|||
|
|
// --------------------------------------------------------------------------------------
|
|||
|
|
[Handler(MethodId.AskSceneDeviceSendSignal, HandlerPacketKind.Invoke)]
|
|||
|
|
private Task OnAskSceneDeviceSendSignal(Connection conn, UxRpcMessage msg)
|
|||
|
|
{
|
|||
|
|
var body = msg.Body;
|
|||
|
|
|
|||
|
|
if (body.Length < 10)
|
|||
|
|
{
|
|||
|
|
conn.Log.Warn($"[SCENE-DEVICE] send-signal short body bytes={body.Length} " +
|
|||
|
|
$"hex={Convert.ToHexString(body)}");
|
|||
|
|
return conn.ReturnEmptyOkAsync(msg);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
byte type = body[0];
|
|||
|
|
ulong id = BinaryPrimitives.ReadUInt64LittleEndian(body.AsSpan(1));
|
|||
|
|
var (len, consumed) = ReadBiasedLen7(body.AsSpan(9));
|
|||
|
|
var at = 9 + consumed;
|
|||
|
|
if (at + len > body.Length)
|
|||
|
|
{
|
|||
|
|
len = Math.Max(0, body.Length - at);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var signal = Encoding.UTF8.GetString(body.AsSpan(at, len));
|
|||
|
|
conn.Log.Info($"[SCENE-DEVICE] send-signal id={id} type={type}{TypeName(type)} " +
|
|||
|
|
$"signal=\"{signal}\" bytes={body.Length}");
|
|||
|
|
|
|||
|
|
return conn.ReturnEmptyOkAsync(msg);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static string TypeName(byte type)
|
|||
|
|
=> type switch
|
|||
|
|
{
|
|||
|
|
0 => "(Gadget)",
|
|||
|
|
1 => "(Destructible)",
|
|||
|
|
_ => "(?)",
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// C2S 设备字符串的**有偏** 7-bit varint 长度：线上是 `len + 1`，返回时已减回。
|
|||
|
|
/// 同时给出消耗的字节数（观测到的信号名都 < 127 字节，但保龄球那条 25 字符也走同一路径，
|
|||
|
|
/// 不做多字节解析将来迟早踩到）。
|
|||
|
|
/// </summary>
|
|||
|
|
private static (int Length, int Consumed) ReadBiasedLen7(ReadOnlySpan<byte> span)
|
|||
|
|
{
|
|||
|
|
int shift = 0;
|
|||
|
|
uint value = 0;
|
|||
|
|
int i = 0;
|
|||
|
|
while (i < span.Length)
|
|||
|
|
{
|
|||
|
|
byte cur = span[i++];
|
|||
|
|
value |= (uint)(cur & 0x7F) << shift;
|
|||
|
|
if ((cur & 0x80) == 0)
|
|||
|
|
{
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
shift += 7;
|
|||
|
|
if (shift > 28)
|
|||
|
|
{
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var decoded = (int)value - 1;
|
|||
|
|
return (decoded < 0 ? 0 : decoded, i);
|
|||
|
|
}
|
|||
|
|
}
|