293 lines
12 KiB
C#
293 lines
12 KiB
C#
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using Ananta.SDK.Network;
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using Ananta.SDK.Serialization;
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using Ananta.Server.ClientData.Client4229938;
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using Ananta.Server.Configuration;
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using Ananta.Server.Gameplay;
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using Ananta.Server.Protocol.Client4229938;
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using GameMethods = Ananta.Server.RpcTypes.Client4229938.Methods.Game;
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namespace Ananta.Server.Handlers.Game;
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/// <summary>
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/// ★★ 路口相位 / 红绿灯（2026-10-02 从捐赠端 PrivateServerPor 移植）—— **让灯柱真的亮起来**。
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///
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/// 背景（详见 <c>modules/红绿灯与路口相位.md</c>）：
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/// 主线以前 init 的 <c>Intersections</c> 恒为 <c>[]</c>、运行期相位包
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/// <c>SyncAetherAIIntersectionUpdateDa</c>(68819947) **一次都没发过** ⇒ 客户端
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/// <c>AetherIntersectionManager</c> 建不出 <c>IntersectionDataEntity</c> ⇒ 不
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/// <c>RegisterTrafficLight</c> ⇒ 灯柱从来没被接管。<c>trafficSignalEnabled</c> 那套
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/// 只是服务端自己压车速，跟灯柱没关系。
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///
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/// 捐赠端的三条腿（我们照搬）：
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/// ① init 带真路口表 → <c>GameAdminBridge</c> 的 <c>-donor</c> 变体（另见该文件）
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/// ② 登录后全量推一次 → <see cref="PushIntersectionUpdatesAsync"/>
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/// ③ 之后周期切档 → <see cref="TickIntersectionSignalsAsync"/>（本文件的后台循环）
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///
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/// ⛑⛑ 循环**不依赖车流开关**：用户 2026-10-02 19:38 把 <c>trafficEnabled</c> 关了，
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/// 灯仍然要亮 ⇒ 这里自己起 loop，不挂在 TrafficLoop 里。
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/// </summary>
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internal sealed partial class GameRouter
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{
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private const string IntersectionSignalsKey = "drmk.intersection.signals";
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private sealed class IntersectionSignalState
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{
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/// <summary>每个路口当前处在第几相位（下标与 <c>IntersectionTable.All</c> 对齐）。</summary>
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internal byte[] PeriodIndex = [];
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/// <summary>每个路口下一次切档的墙钟秒（<c>TickCount64/1000</c>）；0 = 还没排。</summary>
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internal double[] NextSwitchAt = [];
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/// <summary>这个路口是否已经推过至少一次（玩家走进半径后要补推）。</summary>
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internal bool[] Pushed = [];
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internal CancellationTokenSource? Cts;
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internal Task? Loop;
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}
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private static IntersectionSignalState SignalsOf(TcpSession session)
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{
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lock (session.Items)
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{
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if (session.Items.TryGetValue(IntersectionSignalsKey, out var raw)
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&& raw is IntersectionSignalState s)
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return s;
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var count = IntersectionTable.Count;
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var state = new IntersectionSignalState
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{
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PeriodIndex = new byte[count],
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NextSwitchAt = new double[count],
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Pushed = new bool[count],
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};
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var all = IntersectionTable.All;
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for (var i = 0; i < count; i++)
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state.PeriodIndex[i] = all[i].CurrentPeriodIndex;
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session.Items[IntersectionSignalsKey] = state;
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return state;
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}
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}
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private static bool UseZoneIndex()
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{
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var src = PrivateServerConfigStore.Current.Gameplay.Aether.IntersectionIndexSource;
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return !string.Equals(src?.Trim(), "listIndex", StringComparison.OrdinalIgnoreCase);
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}
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/// <summary>
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/// 登录后给每个路口推一次 68819947（初始相位）。
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/// ★ 这一步是「灯从灭到亮」的开关 —— 只发 init 不发它，客户端只知道有路口、不知道当前相位。
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/// </summary>
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internal static async Task<int> PushIntersectionUpdatesAsync(TcpSession session, CancellationToken token)
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{
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var cfg = PrivateServerConfigStore.Current.Gameplay.Aether;
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if (!cfg.IntersectionUpdateEnabled)
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return 0;
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var all = IntersectionTable.All;
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if (all.Count == 0)
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return 0;
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var state = SignalsOf(session);
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var useZone = UseZoneIndex();
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float px = 0f, pz = 0f;
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var w = GetStateIfExists(session);
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if (w is not null)
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{
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Vec3 player;
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lock (w.SyncRoot)
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player = w.LastReportedPlayerPosition;
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px = player.X;
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pz = player.Z;
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}
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var targets = IntersectionTable.OrderByDistance(px, pz, cfg.IntersectionRadiusMeters, cfg.IntersectionMaxCount);
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var sent = 0;
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var nowSec = Environment.TickCount64 / 1000.0;
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var period = Math.Clamp(cfg.IntersectionPeriodSeconds, 1.0, 120.0);
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foreach (var i in targets)
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{
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// ★ 幂等：只推**还没推过**的路口。这样多处调用（Vehicle init / static-NPC 批次）
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// 都安全，也天然支持「玩家后来走进半径 ⇒ 补推新路口」。
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if (state.Pushed[i])
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continue;
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var it = all[i];
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var cur = state.PeriodIndex[i];
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var count = Math.Max(1, it.PeriodCount);
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await session.NotifyAsync(MethodId.SyncAetherAIIntersectionUpdateDa, UxSerializer.Serialize(
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new GameMethods.SyncAetherAIIntersectionUpdateData4229938
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{
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data = new GameMethods.ClientTrafficIntersectionPeriodUpdateInfo4229938
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{
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IntersectionIndex = useZone ? (ulong)it.ZoneIndex : (ulong)i,
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CurrentState = GameMethods.MassTrafficIntersectionState4229938.Start,
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CurrentPeriodIndex = cur,
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NextPeriodIndex = (byte)((cur + 1) % count),
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RailPeriodIndex = it.RailPeriodIndex,
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},
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}), token);
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state.Pushed[i] = true;
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// ★ 错开各路口的切档时刻：否则 171 个包每周期同一瞬间全发（尖峰）。
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state.NextSwitchAt[i] = nowSec + period * (0.5 + 0.5 * ((i * 37 % 100) / 100.0));
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sent++;
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// 规则 225/238：大批量 S2C 必须后台分批，不能同步连发。
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if (sent % 16 == 0)
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await Task.Delay(8, token).ConfigureAwait(false);
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}
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session.Log.Info($"[SIGNAL] 路口相位初始推送 {sent}/{all.Count} 个" +
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$"（68819947，index 取自 {(useZone ? "zoneIndex" : "listIndex")}，周期 {period:F0}s）");
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return sent;
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}
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/// <summary>启动（或确认已在跑）路口相位循环。与车流开关无关。</summary>
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internal static void StartIntersectionSignals(TcpSession session)
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{
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var cfg = PrivateServerConfigStore.Current.Gameplay.Aether;
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if (!cfg.IntersectionUpdateEnabled)
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return;
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if (IntersectionTable.Count == 0)
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{
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session.Log.Warn("[SIGNAL] 路口表为空 —— 检查 paths.intersections（灯不会亮）");
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return;
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}
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var state = SignalsOf(session);
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lock (session.Items)
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{
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if (state.Loop is { IsCompleted: false })
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return;
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state.Cts?.Dispose();
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state.Cts = new CancellationTokenSource();
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state.Loop = Task.Run(() => RunIntersectionSignalLoopAsync(session, state.Cts.Token));
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}
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}
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/// <summary>断开 / 切场景时停掉循环。</summary>
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internal static void StopIntersectionSignals(TcpSession session)
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{
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lock (session.Items)
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{
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if (!session.Items.TryGetValue(IntersectionSignalsKey, out var raw)
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|| raw is not IntersectionSignalState state)
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return;
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state.Cts?.Cancel();
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state.Cts?.Dispose();
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state.Cts = null;
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}
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}
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private static async Task RunIntersectionSignalLoopAsync(TcpSession session, CancellationToken token)
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{
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var period = Math.Clamp(
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PrivateServerConfigStore.Current.Gameplay.Aether.IntersectionPeriodSeconds, 1.0, 120.0);
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var state = SignalsOf(session);
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var useZone = UseZoneIndex();
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// 会话销毁后（切角色 / 断线）循环要自己退 —— 主线没有统一的 session 级 CancellationToken
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// （`StopTraffic` 同样没人调），所以这里用「连续取不到 world state」当退出信号。
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var miss = 0;
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session.Log.Info($"[SIGNAL] 相位循环启动 路口={IntersectionTable.Count} 周期={period:F0}s");
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try
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{
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while (!token.IsCancellationRequested)
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{
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// 每 2 秒扫一次：既检查「该不该切档」，也给「玩家新走近的路口」补推。
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await Task.Delay(2000, token).ConfigureAwait(false);
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if (IsBackgroundPushPaused(session))
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continue;
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var cfg = PrivateServerConfigStore.Current.Gameplay.Aether;
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if (!cfg.IntersectionUpdateEnabled)
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continue;
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var w = GetStateIfExists(session);
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if (w is null)
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{
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if (++miss >= 5)
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{
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session.Log.Info("[SIGNAL] 相位循环退出（会话已销毁）");
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return;
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}
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continue;
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}
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miss = 0;
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if (!w.Ready || !w.HasLastReportedPlayerTransform)
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continue;
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Vec3 player;
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lock (w.SyncRoot)
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player = w.LastReportedPlayerPosition;
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var all = IntersectionTable.All;
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var targets = IntersectionTable.OrderByDistance(
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player.X, player.Z, cfg.IntersectionRadiusMeters, cfg.IntersectionMaxCount);
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var nowSec = Environment.TickCount64 / 1000.0;
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var sent = 0;
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foreach (var i in targets)
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{
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var it = all[i];
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var count = Math.Max(1, it.PeriodCount);
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// 还没推过（玩家刚走近）⇒ 先推当前相位。
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if (!state.Pushed[i])
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{
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state.NextSwitchAt[i] = nowSec + period;
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}
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else if (nowSec < state.NextSwitchAt[i])
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{
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continue;
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}
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else
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{
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// 切档
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state.PeriodIndex[i] = (byte)((state.PeriodIndex[i] + 1) % count);
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state.NextSwitchAt[i] = nowSec + period;
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}
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var cur = state.PeriodIndex[i];
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await session.NotifyAsync(MethodId.SyncAetherAIIntersectionUpdateDa,
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UxSerializer.Serialize(new GameMethods.SyncAetherAIIntersectionUpdateData4229938
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{
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data = new GameMethods.ClientTrafficIntersectionPeriodUpdateInfo4229938
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{
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IntersectionIndex = useZone ? (ulong)it.ZoneIndex : (ulong)i,
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CurrentState = GameMethods.MassTrafficIntersectionState4229938.Start,
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CurrentPeriodIndex = cur,
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NextPeriodIndex = (byte)((cur + 1) % count),
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RailPeriodIndex = it.RailPeriodIndex,
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},
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}), token);
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state.Pushed[i] = true;
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sent++;
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if (sent % 16 == 0)
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await Task.Delay(8, token).ConfigureAwait(false);
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}
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if (sent > 0)
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session.Log.Info($"[SIGNAL] 相位推进 {sent} 个路口（周期 {period:F0}s）");
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}
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}
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catch (OperationCanceledException)
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{
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// 正常退出
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}
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catch (Exception ex)
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{
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session.Log.Warn($"[SIGNAL] 相位循环停止: {ex.Message}");
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}
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}
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/// <summary>
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/// 体检用：路口数 / 多相位路口数 / 涉及车道数 / 首行摘要（启动时打一行，便于对账）。
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/// </summary>
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internal static (int Intersections, int MultiPeriod, int Lanes, string Sample) ProbeIntersections()
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=> IntersectionTable.Probe();
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}
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