187 lines
8.5 KiB
C#
187 lines
8.5 KiB
C#
using Ananta.SDK.Network;
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using Ananta.SDK.Rpc;
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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 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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/// 车载电台的<b>服务端那一半</b> —— 2026-09-27 落地（kpect 捐赠端的候选 2）。
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///
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/// ## 先说清楚：歌曲解锁早就做完了
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/// 59 首歌在登录帧里就全部塞进了 <c>PlayerRadioSongsData.SongInfoDict</c>
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/// （<c>RuntimePayloadFactory</c>），而 <c>RadioPlayerManager.IsSongUnlocked</c> 查的就是这张表。
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/// 所以「车上有几首歌、能不能播」<b>不归这条 RPC 管</b> —— 别再往这里找原因。
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///
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/// ## 这条 RPC 真正管什么：歌与歌之间的「串词」
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/// <c>AskGetVehicleRadioContent</c>(67725622) 是 INVOKE，返回 <c>UX.Game.RadioRandomContent</c>。
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/// 客户端 <c>RadioPlayerManager.GetRadioVoiceData</c> 拿到后存进 <c>radioInfo.randomContent</c>，
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/// 等歌播到 cue 点（<c>OnRadioMusicMark</c>）时调 <c>GetVoicesByContent</c> 把
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/// ContentType / ContentId / StartContentId / EndContentId 换成三条 SoundId 播出去 ——
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/// 也就是 DJ 开场口播 → 广告/新闻/突发新闻 → DJ 收尾口播。
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///
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/// 移植前回的是 <c>DefaultReturnCatalog</c> 的**全零** typed-default（15 字节
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/// <c>FF 00 …</c>，wire 合法但四个 id 全是 0）⇒ 客户端四条表一条都查不到，
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/// 日志里是四行「GetVoicesByContent … 配表找不到」⇒ **只有歌、没有串词**。
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///
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/// ## 内容从哪来
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/// <c>RadioContentCatalog4229938</c>（47 行，投影自 ConfigDump_v3 的
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/// RadioContentDJs/Ads/News/SpecialNews 四条表）。ContentType 取值是
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/// <c>UX.Game.RadioContentType</c>：1=Ad 2=News 3=Chat(DJ) 4=Comment(DJ) 5=SpecialNews，
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/// 3/4 在客户端查同一张 <c>RadioContentDJs</c>。
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///
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/// ## 回滚
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/// <c>gameplay.vehicleRadio.enabled=false</c> ⇒ 回到全零 typed-default。
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/// </summary>
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internal sealed partial class GameRouter
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{
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/// <summary>会话键前缀：每类串词上次下发的时间戳（冷却用）。</summary>
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private const string RadioContentLastTickPrefix = "radio-content-last-";
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/// <summary>会话键：<c>AskSwitchVehicleRadio</c> 报上来的当前电台序号（只用于日志/对照）。</summary>
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private const string RadioCurrentStationKey = "radio-current-station";
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[Handler(MethodId.AskGetVehicleRadioContent)]
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private async Task AskGetVehicleRadioContent(Connection conn, UxRpcMessage msg)
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{
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if (!msg.TryGetArgs<GameMethods.AskGetVehicleRadioContentArgs4229938>(out var args) || args is null)
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{
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conn.Log.Warn($"[VEHICLE-RADIO] undecodable bytes={msg.Body.Length} hex={Convert.ToHexString(msg.Body, 0, Math.Min(msg.Body.Length, 32))}");
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await conn.ReturnEmptyOkAsync(msg);
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return;
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}
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var cfg = PrivateServerConfigStore.Current.Gameplay.VehicleRadio;
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if (!cfg.Enabled)
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{
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// 关着：走原来的 typed-default（wire 合法的全零体），不引入任何新行为。
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if (DefaultReturnCatalog4229938.TryGet(msg.MethodId, out var fallbackBody, out var shape))
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{
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conn.Log.Info($"[VEHICLE-RADIO] radio={args.radioId} song={args.songIdx} -> typed-default {shape} (enabled=false)");
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await msg.Context.ReturnAsync(fallbackBody);
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return;
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}
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await conn.ReturnEmptyOkAsync(msg);
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return;
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}
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var content = PickRadioContent(conn.Session, cfg);
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await conn.ReturnAsync(msg, content);
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conn.Log.Info($"[VEHICLE-RADIO] radio={args.radioId} song={args.songIdx} "
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+ $"-> type={content.ContentType} content={content.ContentId} "
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+ $"start={content.StartContentId} end={content.EndContentId} mark={content.MarkType}");
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}
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/// <summary>
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/// AskSwitchVehicleRadio (67959772)：客户端切台的**通知**。
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/// 切台在客户端本地已经完成了才发这一帧，服务端没有任何权威状态要维护 ——
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/// 这里只记录序号（配合 <c>[VEHICLE-RADIO]</c> 日志做对照），并回一个空 OK。
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/// </summary>
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[Handler(MethodId.AskSwitchVehicleRadio)]
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private async Task AskSwitchVehicleRadio(Connection conn, UxRpcMessage msg)
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{
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if (msg.TryGetArgs<GameMethods.AskSwitchVehicleRadioArgs4229938>(out var args) && args is not null)
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{
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conn.Session.Items[RadioCurrentStationKey] = args.radioId;
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conn.Log.Info($"[VEHICLE-RADIO] switch station={args.radioId}");
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}
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else
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{
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conn.Log.Warn($"[VEHICLE-RADIO] switch undecodable bytes={msg.Body.Length} hex={Convert.ToHexString(msg.Body, 0, Math.Min(msg.Body.Length, 32))}");
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}
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await conn.ReturnEmptyOkAsync(msg);
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}
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/// <summary>
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/// 按权重抽一条串词；DJ 类（3/4）额外配一对开场/收尾口播 id，
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/// 突发新闻（5）用配置行自带的 DJComeId / DJBackId。
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/// </summary>
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private static GameMethods.RadioRandomContent4229938 PickRadioContent(
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TcpSession session, VehicleRadioSettings cfg)
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{
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var all = RadioContentCatalog4229938.Entries;
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if (all.Count == 0)
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return new GameMethods.RadioRandomContent4229938();
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var allowed = cfg.ContentTypes is { Length: > 0 }
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? all.Where(e => cfg.ContentTypes.Contains(e.ContentType)).ToList()
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: [.. all];
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// 冷却：官方静态表 RadioContentConfig 是 600 秒（DJChatCd / NewsCd / AdCd 都是 600）。
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if (cfg.ContentCooldownSeconds > 0)
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{
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var now = Environment.TickCount64;
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var fresh = allowed.Where(e =>
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{
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var last = session.Items.TryGetValue(RadioContentLastTickPrefix + e.ContentType, out var raw)
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&& raw is long ticks ? ticks : long.MinValue;
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return now - last >= cfg.ContentCooldownSeconds * 1000L;
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}).ToList();
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// 全在冷却里就退回 DJ 口播（最不容易听腻的那一类），再不行就整表随便挑。
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if (fresh.Count > 0)
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allowed = fresh;
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else if (allowed.Any(e => e.ContentType is 3 or 4))
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allowed = [.. allowed.Where(e => e.ContentType is 3 or 4)];
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}
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if (allowed.Count == 0)
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return new GameMethods.RadioRandomContent4229938();
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var picked = WeightedPick(allowed, RadioContentCatalog4229938.EffectiveWeight);
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session.Items[RadioContentLastTickPrefix + picked.ContentType] = Environment.TickCount64;
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uint start = 0, end = 0;
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if (picked.ContentType is 3 or 4)
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{
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// DJ 口播：开场/收尾各挑一条**别的** DJ 行（同一条播三遍太明显）。
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var djs = RadioContentCatalog4229938.ByType(3);
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if (djs.Count >= 3)
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{
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var others = djs.Where(d => d.Id != picked.Id).ToList();
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start = others[Random.Shared.Next(others.Count)].Id;
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var rest = others.Where(d => d.Id != start).ToList();
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end = rest.Count > 0 ? rest[Random.Shared.Next(rest.Count)].Id : start;
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}
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else if (djs.Count == 2)
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{
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var other = djs.FirstOrDefault(d => d.Id != picked.Id);
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start = other?.Id ?? 0;
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end = start;
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}
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}
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else if (picked.ContentType == 5)
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{
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// 突发新闻行自带 DJComeId / DJBackId —— 投影时已经写进 Start/EndContentId。
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start = picked.StartContentId;
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end = picked.EndContentId;
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}
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return new GameMethods.RadioRandomContent4229938
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{
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ContentType = (byte)Math.Min(picked.ContentType, byte.MaxValue),
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ContentId = picked.Id,
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StartContentId = start,
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EndContentId = end,
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MarkType = (byte)Math.Min(cfg.MarkType, (uint)byte.MaxValue),
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};
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}
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private static T WeightedPick<T>(List<T> items, Func<T, int> weightOf)
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{
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var total = items.Sum(weightOf);
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if (total <= 0)
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return items[Random.Shared.Next(items.Count)];
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var roll = Random.Shared.Next(total);
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foreach (var item in items)
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{
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roll -= Math.Max(0, weightOf(item));
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if (roll < 0)
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return item;
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}
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return items[^1];
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}
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}
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