353 lines
16 KiB
C#
353 lines
16 KiB
C#
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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.ClientData.Client4229938;
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using Ananta.Server.Configuration;
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using Ananta.Server.Protocol.Client4229938;
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using Ananta.Server.RpcTypes.Client4229938;
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using SceneMethods = Ananta.Server.RpcTypes.Client4229938.Methods.GameScene;
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namespace Ananta.Server.Handlers.Game;
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/// <summary>
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/// 街上正常行走的行人（AetherCity crowd）。
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///
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/// ★ 这条线是**客户端自驱**的：AetherPedManager 用 ContextSteering + ZoneGraph Wander 自己走，
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/// 服务端**没有任何移动包可发**（MethodId 表里没有 AskUpdateMoveDatas 这类 RPC）。
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/// 服务端只负责三件事：
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/// ① SyncAetherAIInitDatas 打开 HasZoneGraph —— 已有 EnsureAetherVehicleInit() 负责
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/// ② SyncSetCrowdDensity(68996045) —— 解锁客户端 ECS 人群生成器
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/// ③ SyncCrowdSpecifiedDensityRefresh(68195167) —— 在玩家周围的盒子里按密度补人
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/// 玩家走远（默认 35m）后重发 ③，否则走出盒子就没人了。
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///
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/// 契约权威 = dump.cs `IGameSceneToClient` 接口签名，见 CrowdMethods4229938.cs 文件头。
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/// </summary>
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internal sealed partial class GameRouter
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{
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private static readonly object CrowdLock = new();
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/// <summary>密度重复推送的合并窗口（毫秒）。客户端会在等人群刷新期间按帧重发 GM 命令，
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/// 每来一次就回一对包会把主线程饿死（donor 实测 133 包/秒）。同密度在此窗口内只答一次。</summary>
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private const int CrowdRepeatGuardMs = 1500;
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private static long _crowdPushedTicks;
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private static float _crowdPushedDensity = float.NaN;
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/// <summary>上一次推送所属的 LandPlotType，用于判断是否值得重发全局密度包。</summary>
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private static string _crowdPushedPlotType = string.Empty;
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/// <summary>上一次推送时 <c>CrowdEnabled</c> 的取值。运行中把开关从「开」拨到「关」时靠它补一次清零推送。</summary>
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private static bool _crowdLastEnabled = true;
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/// <summary>
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/// 关掉人群时的「清零」推送：把全局密度压到 0，并在玩家脚下补一个同样为 0 的刷新盒。
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///
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/// ⛑️ 为什么不是「什么都不发」：客户端的 AetherCity 人群是**自驱**的 —— HasZoneGraph 一打开
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/// （SyncAetherAIInitDatas）它就按场景自带数据自己生成人，我们的 SyncSetCrowdDensity 只是
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/// override。所以「不发密度包」= 回到客户端默认密度 = 街上照样有人。要没人只能主动压 0。
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/// ⛑️ 不要发 RevertToNormal=true —— 那是「恢复默认密度」，效果正好相反。
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/// </summary>
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private static async Task<bool> PushCrowdDisabledAsync(TcpSession session, Vec3 pos, string reason)
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{
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var cfg = CrowdCfg();
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try
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{
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await session.NotifyAsync(MethodId.SyncSetCrowdDensity,
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UxSerializer.Serialize(new SceneMethods.SyncSetCrowdDensity4229938
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{
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RevertToNormal = false,
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OverrideDensity = 0f,
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}), CancellationToken.None);
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await session.NotifyAsync(MethodId.SyncCrowdSpecifiedDensityRefresh,
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UxSerializer.Serialize(new SceneMethods.SyncCrowdSpecifiedDensityRefresh4229938
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{
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Position = new SceneMethods.UxVector3(pos.X, pos.Y, pos.Z),
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Extends = new SceneMethods.UxVector3(cfg.CrowdExtendsMeters, cfg.CrowdExtendsHeight, cfg.CrowdExtendsMeters),
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DensityFactor = 0f,
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}), CancellationToken.None);
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session.Log.Info($"[CROWD] disabled ({reason}) at ({pos.X:F1},{pos.Y:F1},{pos.Z:F1}) density=0 " +
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$"extends={cfg.CrowdExtendsMeters:F0}x{cfg.CrowdExtendsHeight:F0}x{cfg.CrowdExtendsMeters:F0}");
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return true;
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}
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catch (Exception ex)
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{
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session.Log.Warn($"[CROWD] disable push failed ({reason}): {ex.Message}");
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return false;
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}
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}
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private static bool ShouldPushCrowd(float density)
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{
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var now = Environment.TickCount64;
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lock (CrowdLock)
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{
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// NaN 永不相等 ⇒ 启动后第一次一定通过。
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if (MathF.Abs(_crowdPushedDensity - density) < 0.01f && now - _crowdPushedTicks < CrowdRepeatGuardMs)
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return false;
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_crowdPushedTicks = now;
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_crowdPushedDensity = density;
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return true;
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}
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}
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private static AetherSettings CrowdCfg()
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=> PrivateServerConfigStore.Current.Gameplay.Aether;
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private static Vec3 CrowdAnchor(WorldEntryState state)
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=> state.HasLastReportedPlayerTransform ? state.LastReportedPlayerPosition : state.WorldEntryCreateHeroPosition;
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/// <summary>
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/// T0-8：把玩家脚下的地块类型与该地块的时段人流曲线合成实际密度。
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///
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/// density = 全局 CrowdDensity × 地块类型系数 × max(HourlyFlow[hour], CrowdHourFloor)
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///
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/// 为什么不用 UrbanDiversityConfig 的 PopulationDensity / DegreeOfBusyness：
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/// 实测 681 个地块里这两个字段几乎恒为 0（只有沙滩区有值），没有信息量。
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/// LandPlotType + HourlyFlow 是仅有的两个可用维度，HourlyFlow 已按各自峰值归一化到 1.0。
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/// </summary>
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private static (float Density, string PlotName, string LandPlotType, double HourFactor) ResolveCrowdDensity(
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WorldEntryState state, Vec3 pos)
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{
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var cfg = CrowdCfg();
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var baseDensity = cfg.CrowdDensity;
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if (!cfg.CrowdUseLandPlots)
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return (baseDensity, "(按地块已关)", "", 1.0);
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var hits = CivilianDistrictCatalog4229938.WithinRadius(pos.X, pos.Z, cfg.CrowdPlotSearchMeters);
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if (hits.Count == 0)
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return (baseDensity * cfg.CrowdPlotMissFactor, "(地块外)", "", 1.0);
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var plot = hits[0].District;
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// 面板设过时间就以它为准，否则跟随本地时钟的小时（服务端自己不推进时间）。
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int hour;
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lock (state.SyncRoot)
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hour = state.HasExplicitTime ? (int)state.TimeHour : DateTime.Now.Hour;
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var hourFactor = Math.Clamp(plot.FlowAt(hour), 0.0, 1.0);
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if (hourFactor < cfg.CrowdHourFloor)
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hourFactor = cfg.CrowdHourFloor;
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var typeFactor = cfg.CrowdTypeFactors.TryGetValue(plot.LandPlotType, out var factor)
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? factor
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: 1.0f;
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return (baseDensity * typeFactor * (float)hourFactor, plot.Name, plot.LandPlotType, hourFactor);
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}
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/// <summary>
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/// 世界进入（OnLoadingFinished）时激活客户端原生人群。
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/// 必须在 EnsureAetherVehicleInit 之后 —— 没有 HasZoneGraph=true 客户端根本不建人群层。
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/// </summary>
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internal static async Task PublishAmbientCrowdAsync(RpcContext ctx)
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{
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var cfg = CrowdCfg();
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var state = GetStateIfExists(ctx.Session);
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if (state is null)
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return;
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// 关掉 ⇒ 不是「什么都不发」，而是主动把密度压到 0（客户端人群自驱，见 PushCrowdDisabledAsync 说明）。
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if (!cfg.CrowdEnabled)
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{
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_crowdLastEnabled = false;
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await PushCrowdDisabledAsync(ctx.Session, CrowdAnchor(state), "world enter");
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return;
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}
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_crowdLastEnabled = true;
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var pos = CrowdAnchor(state);
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var (density, plotName, plotType, hourFactor) = ResolveCrowdDensity(state, pos);
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try
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{
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await ctx.NotifyAsync(MethodId.SyncSetCrowdDensity, new SceneMethods.SyncSetCrowdDensity4229938
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{
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RevertToNormal = false,
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OverrideDensity = density,
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});
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await ctx.NotifyAsync(MethodId.SyncCrowdSpecifiedDensityRefresh, new SceneMethods.SyncCrowdSpecifiedDensityRefresh4229938
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{
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Position = new SceneMethods.UxVector3(pos.X, pos.Y, pos.Z),
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Extends = new SceneMethods.UxVector3(cfg.CrowdExtendsMeters, cfg.CrowdExtendsHeight, cfg.CrowdExtendsMeters),
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DensityFactor = density,
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});
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lock (state.SyncRoot)
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{
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state.LastCrowdCenter = pos;
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state.HasCrowdCenter = true;
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}
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ctx.Session.Log.Info($"[CROWD] activated at ({pos.X:F1},{pos.Y:F1},{pos.Z:F1}) " +
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$"density={density:F3} plot={plotName}({plotType}) hour={hourFactor:F2} " +
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$"extends={cfg.CrowdExtendsMeters:F0}x{cfg.CrowdExtendsHeight:F0}x{cfg.CrowdExtendsMeters:F0}");
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}
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catch (Exception ex)
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{
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ctx.Session.Log.Warn($"[CROWD] activation failed: {ex.Message}");
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}
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}
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/// <summary>
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/// 玩家移动时流式补人：离开上次中心超过阈值就重发一次密度刷新盒。
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/// 由 GameRouter.Movement.cs 的位移报告处 fire-and-forget 调用。
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/// </summary>
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internal static async Task CheckAndRefreshCrowdOnPlayerMoveAsync(TcpSession session, Vec3 currentPos)
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{
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var cfg = CrowdCfg();
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var state = GetStateIfExists(session);
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if (state is null || !state.Ready)
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return;
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// 关掉 ⇒ 只在「刚刚从开拨到关」时补一次清零推送，之后彻底安静（否则每走一步都发一对包）。
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if (!cfg.CrowdEnabled)
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{
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if (_crowdLastEnabled)
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{
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_crowdLastEnabled = false;
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await PushCrowdDisabledAsync(session, currentPos, "toggle off");
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}
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return;
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}
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_crowdLastEnabled = true;
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// 客户端挂起期间不重发人群盒子 —— 见 GameRouter.IsBackgroundPushPaused 的说明。
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if (IsBackgroundPushPaused(session))
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return;
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bool shouldRefresh;
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lock (state.SyncRoot)
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{
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if (!state.HasCrowdCenter)
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{
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state.LastCrowdCenter = currentPos;
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state.HasCrowdCenter = true;
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shouldRefresh = true;
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}
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else
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{
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var dx = currentPos.X - state.LastCrowdCenter.X;
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var dz = currentPos.Z - state.LastCrowdCenter.Z;
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var threshold = cfg.CrowdRefreshMoveMeters;
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shouldRefresh = (dx * dx + dz * dz) >= threshold * threshold;
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if (shouldRefresh)
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state.LastCrowdCenter = currentPos;
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}
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}
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if (!shouldRefresh)
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return;
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var (density, plotName, plotType, hourFactor) = ResolveCrowdDensity(state, currentPos);
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try
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{
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// 地块类型换了一类就把全局密度包 ② 也重发一次：客户端可能仍拿着上一类地块解锁的密度，
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// 只发局部盒子 ③ 未必会让它重新计算。只在跨类型时发，不是每步都发。
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if (!string.Equals(plotType, _crowdPushedPlotType, StringComparison.Ordinal))
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{
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await session.NotifyAsync(MethodId.SyncSetCrowdDensity,
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UxSerializer.Serialize(new SceneMethods.SyncSetCrowdDensity4229938
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{
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RevertToNormal = false,
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OverrideDensity = density,
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}), CancellationToken.None);
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_crowdPushedPlotType = plotType;
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}
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await session.NotifyAsync(MethodId.SyncCrowdSpecifiedDensityRefresh,
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UxSerializer.Serialize(new SceneMethods.SyncCrowdSpecifiedDensityRefresh4229938
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{
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Position = new SceneMethods.UxVector3(currentPos.X, currentPos.Y, currentPos.Z),
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Extends = new SceneMethods.UxVector3(cfg.CrowdExtendsMeters, cfg.CrowdExtendsHeight, cfg.CrowdExtendsMeters),
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DensityFactor = density,
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}), CancellationToken.None);
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session.Log.Info($"[CROWD] refresh on move ({currentPos.X:F1},{currentPos.Y:F1},{currentPos.Z:F1}) " +
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$"density={density:F3} plot={plotName}({plotType}) hour={hourFactor:F2}");
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}
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catch (Exception ex)
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{
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session.Log.Warn($"[CROWD] move refresh failed: {ex.Message}");
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}
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}
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/// <summary>面板 / GM 显式刷新。返回是否真的发了（被合并掉返回 false）。</summary>
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internal static async Task<bool> RefreshAmbientCrowdAsync(TcpSession session, float? overrideDensity = null)
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{
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var state = GetStateIfExists(session);
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if (state is null || !state.Ready)
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return false;
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var cfg = CrowdCfg();
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// 开关关着时这个按钮的语义变成「立刻清场」：压 0 + 回收服务端行人。
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if (!cfg.CrowdEnabled)
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{
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_crowdLastEnabled = false;
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_crowdPushedDensity = 0f;
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_crowdPushedTicks = Environment.TickCount64;
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await RetireAmbientPedsAsync(session);
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await PushCrowdDisabledAsync(session, CrowdAnchor(state), "panel refresh");
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return true;
|
|||
|
|
}
|
|||
|
|
_crowdLastEnabled = true;
|
|||
|
|
|
|||
|
|
// 显式指定了密度就照用；否则按脚下地块 × 时段算。
|
|||
|
|
var pos0 = CrowdAnchor(state);
|
|||
|
|
var (plotDensity, plotName, plotType, hourFactor) = ResolveCrowdDensity(state, pos0);
|
|||
|
|
var density = overrideDensity ?? plotDensity;
|
|||
|
|
if (!ShouldPushCrowd(density))
|
|||
|
|
{
|
|||
|
|
session.Log.Info($"[CROWD] refresh coalesced (density={density:F2})");
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var pos = pos0;
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
await session.NotifyAsync(MethodId.SyncSetCrowdDensity,
|
|||
|
|
UxSerializer.Serialize(new SceneMethods.SyncSetCrowdDensity4229938 { RevertToNormal = false, OverrideDensity = density }),
|
|||
|
|
CancellationToken.None);
|
|||
|
|
await session.NotifyAsync(MethodId.SyncCrowdSpecifiedDensityRefresh,
|
|||
|
|
UxSerializer.Serialize(new SceneMethods.SyncCrowdSpecifiedDensityRefresh4229938
|
|||
|
|
{
|
|||
|
|
Position = new SceneMethods.UxVector3(pos.X, pos.Y, pos.Z),
|
|||
|
|
Extends = new SceneMethods.UxVector3(cfg.CrowdExtendsMeters, cfg.CrowdExtendsHeight, cfg.CrowdExtendsMeters),
|
|||
|
|
DensityFactor = density,
|
|||
|
|
}), CancellationToken.None);
|
|||
|
|
|
|||
|
|
lock (state.SyncRoot)
|
|||
|
|
{
|
|||
|
|
state.LastCrowdCenter = pos;
|
|||
|
|
state.HasCrowdCenter = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
session.Log.Info($"[CROWD] explicit refresh at ({pos.X:F1},{pos.Y:F1},{pos.Z:F1}) " +
|
|||
|
|
$"density={density:F3} plot={plotName}({plotType}) hour={hourFactor:F2}" +
|
|||
|
|
(overrideDensity.HasValue ? " (密度由调用方指定)" : ""));
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
session.Log.Warn($"[CROWD] explicit refresh failed: {ex.Message}");
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 只算不推：给 GM 面板回报「玩家脚下现在会算出什么密度」。
|
|||
|
|
/// 面板改完参数不动也能看到这个值变化，不用真的走 35 米才知道。
|
|||
|
|
/// </summary>
|
|||
|
|
internal static (bool Ok, float Density, string PlotName, string LandPlotType, double HourFactor, float X, float Z)
|
|||
|
|
ProbeCrowdDensity(TcpSession session)
|
|||
|
|
{
|
|||
|
|
var state = GetStateIfExists(session);
|
|||
|
|
if (state is null)
|
|||
|
|
return (false, 0f, "", "", 0.0, 0f, 0f);
|
|||
|
|
|
|||
|
|
var pos = CrowdAnchor(state);
|
|||
|
|
var (density, plotName, landPlotType, hourFactor) = ResolveCrowdDensity(state, pos);
|
|||
|
|
return (true, density, plotName, landPlotType, hourFactor, pos.X, pos.Z);
|
|||
|
|
}
|
|||
|
|
}
|