297 lines
15 KiB
C#
297 lines
15 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Ananta.Server.ClientData.Client4229938;
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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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/// ROUTE A race-start experiment (§59.14 §7.9): push a single <c>SyncGameGroundZoneInfo</c>
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/// (68004609) carrying a <c>RacingZoneInfo</c> and watch what the client does with it.
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///
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/// The question this answers is the only remaining unknown in the racing chain:
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/// <code>
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/// 68004609 → C# GameSceneToClientImpl.SyncGameGroundZoneInfo (dump.cs:184816)
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/// → lua GameSceneToClientImpl.SyncGameGroundZoneInfo (lua:1135)
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/// → Racing branch → gChallengeManager:OnSyncRacingZoneInfo (lua:526)
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/// → ...and then? lua never calls L50.Spoon.CarRaceManager.Instance:SyncCarRaceGame
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/// </code>
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/// Either the C# hop stops at the C# CarRaceManager itself (in which case this single packet is
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/// enough to stage the grid, run the countdown and start the lap clock), or the race only runs when
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/// a Spoon graph calls <c>SyncCarRaceGame</c> (IDMAP 49071), in which case nothing happens and
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/// Route A stays blocked on the Spoon md5 problem.
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///
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/// Observable outcomes (see VEHICLE-RACING-INVESTIGATION.md §7.9):
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/// • cars appear on the track / countdown panel / AI dots on the minimap (gMapCsApi.OnCarRaceStart)
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/// ⇒ (a) C#-internal wiring — Route A is unblocked, only participants + settlement remain.
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/// • absolutely nothing, and no CarRaceManager line in Player.log
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/// ⇒ (b) Spoon-graph driven — Route A needs the Spoon md5.
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///
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/// Nothing here is wired into normal gameplay: the only entry point is the debug HTTP API
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/// (/api/racing/zone-probe), so this is inert until deliberately fired.
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/// </summary>
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internal sealed partial class GameRouter
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{
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/// <summary>UX.Game.GameGroundZoneType.Racing</summary>
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private const byte ZoneTypeRacing = 4;
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/// <summary>UX.Game.GameGroundZoneState.Display — the zone is staged and visible.</summary>
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internal const byte ZoneStateDisplay = 1;
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/// <summary>UX.Game.GameGroundZoneState.GameStart — the race is meant to be running.</summary>
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internal const byte ZoneStateGameStart = 2;
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/// <summary>UX.Game.GameGroundZoneState.GameOver — the race clock is stopped, results pending.</summary>
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internal const byte ZoneStateGameOver = 3;
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/// <summary>UX.Game.GameGroundZoneSyncReason.Enter</summary>
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internal const byte SyncReasonEnter = 0;
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/// <summary>UX.Game.GameGroundZoneStartReason.Single</summary>
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private const byte StartReasonSingle = 0;
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/// <summary>
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/// How many AI opponents to inject into the racing grid. 0 = none (default — the confirmed-working
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/// race is unchanged). Raise to N (suggest 3–7) to race against N AI cars. The opponent vehicle
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/// cfgIds come from the track's HighAI/MiddleAI/LowAI pools (RacingTrackRow), so the cars use real
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/// authored opponent configs. Set this and rebuild to enable AI in normal play; the debug
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/// /api/racing/zone-probe also accepts an "aiCount" override for experimentation without a rebuild.
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///
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/// 🔴 Default OFF because the AI grid changes what the client reads on zone sync; if the wire format
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/// were subtly wrong the whole race could fail to stage. Flip it on after confirming via the debug
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/// API, or leave at 0 and use the debug API's aiCount to experiment per-shot.
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/// </summary>
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internal const int RacingAiGridCount = 0;
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/// <summary>
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/// Options surfaced to the debug panel / HTTP caller. <c>cfgId</c> is a
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/// RacingDriverTrackInformationConfig Id (the "Id" column, NOT an EventId).
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/// </summary>
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internal static object RacingZoneProbeStatus()
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{
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// Id ≥ 1000 rows have MaxGamePeople == 0 — those are map POI markers, not real tracks (§59.6).
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var tracks = ClientConfigRepository.RacingTracks()
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.Where(kv => kv.Value.MaxPlayers > 0)
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.OrderBy(kv => kv.Key)
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.Select(kv => new
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{
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cfgId = kv.Key,
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laps = kv.Value.Laps,
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maxPlayers = kv.Value.MaxPlayers,
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maxGameTime = kv.Value.MaxGameTime,
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contestType = kv.Value.ContestType,
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})
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.ToArray();
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return new
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{
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ok = true,
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zoneType = ZoneTypeRacing,
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syncMethodId = MethodId.SyncGameGroundZoneInfo,
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typeMark = 15,
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states = new { idle = 0, display = ZoneStateDisplay, gameStart = ZoneStateGameStart, gameOver = 3, dispose = 4 },
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suggestedTaskId = 60000147,
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usableTrackCount = tracks.Length,
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tracks,
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howTo = "POST /api/racing/zone-probe {\"cfgId\":3,\"taskId\":60000147,\"zoneState\":1} — "
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+ "then watch Player.log for CarRaceManager / a staged grid / countdown. "
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+ "POST /api/racing/zone-clear to push a null zone and tear it down.",
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};
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}
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/// <summary>
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/// Build the AI opponent grid for a racing zone. Returns BOTH:
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/// • <c>AIVehicleInfos</c> — the plain dict (vehicleInstanceId → cfgId) that drives the minimap
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/// blue dots (client GetAllVehicleAIIds reads AIVehicleInfos); and
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/// • <c>ParticipantInfos</c> — real AI opponents, each a <c>GameGroundParticipantInfo4229938</c>
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/// (0xFF marker + 8 base fields), which is the element shape the client's own
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/// <c>Auto.WriteRacingZoneInfo</c> uses. (R203: the earlier RacingParticipantInfo/TypeMark=14
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/// shape desynced the packet by 28 B/participant.)
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///
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/// Returns empty lists when <paramref name="count"/> ≤ 0 (byte-compatible with the pre-AI probe).
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/// Opponent cfgIds come from the track's HighAI/MiddleAI/LowAI pools (RacingTrackRow); if the row is
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/// missing or the pools are empty, no AI is produced.
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/// </summary>
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internal static (Dictionary<ulong, uint> AIVehicleInfos, List<GameMethods.GameGroundParticipantInfo4229938> Participants)
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BuildRacingAiGrid(uint trackCfgId, int count, IReadOnlyList<RacingAiVehicle>? realVehicles = null)
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{
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var infos = new Dictionary<ulong, uint>();
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var participants = new List<GameMethods.GameGroundParticipantInfo4229938>();
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// ── REAL grid (§59.28) ────────────────────────────────────────────────────────────────
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// Spawn first, claim second. The client resolves every AIVehicleInfos key with
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// DriveUtils.GetBaseVehicle(id) / element:BindVehicle(id), so the key MUST be an entity that
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// actually exists in the scene. These are the ids of the cars SpawnRacingAiVehiclesAsync just
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// created, and their value is the racing-AI cfg id the client looks up in
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// RacingDriverRacingAIConfig (→ VehicleID + VehicleTaskID = it drives itself).
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if (realVehicles is { Count: > 0 })
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{
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for (var i = 0; i < realVehicles.Count; i++)
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{
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var v = realVehicles[i];
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infos[v.EntityId] = v.AiCfgId;
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participants.Add(BuildRacingParticipant(v.EntityId, v.AiCfgId, v.VehicleCfgId, i));
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}
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return (infos, participants);
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}
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if (count <= 0) return (infos, participants);
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// ── LEGACY grid (A/B control only) ────────────────────────────────────────────────────
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// Invented ids: the client parses them and GetAllVehicleAIIds() returns them, but nothing in
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// the scene carries them, so no car / no blue dot / no rank ever materialises. Kept so the two
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// shapes can be compared from the log; never the default.
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uint[] cfgPool = [];
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if (ClientConfigRepository.RacingTracks().TryGetValue(trackCfgId, out var track))
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{
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cfgPool = track.HighAI
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.Concat(track.MiddleAI)
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.Concat(track.LowAI)
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.Where(id => id != 0)
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.Distinct()
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.ToArray();
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}
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for (var i = 0; i < count; i++)
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{
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var instanceId = 0x6000_0000_0000_0000UL + (ulong)(i + 1);
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var cfgId = cfgPool.Length > 0 ? cfgPool[i % cfgPool.Length] : 0u;
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if (cfgId == 0) continue; // no valid vehicle config → skip this slot rather than send 0
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infos[instanceId] = cfgId;
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participants.Add(BuildRacingParticipant(instanceId, cfgId, cfgId, i));
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}
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return (infos, participants);
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}
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/// <summary>
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/// One AI opponent entry, typed as the BASE <c>GameGroundParticipantInfo</c> — which is what the
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/// client's own <c>Auto.WriteRacingZoneInfo</c> writes for this list
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/// (<c>Base.WriteComplexWrap(Auto.WriteGameGroundParticipantInfo, …)</c>): each element is
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/// <c>0xFF</c> (present marker) + 8 base fields, no TypeMark.
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///
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/// <paramref name="agentInstanceId"/> is the SCENE ENTITY id (it is also what the client keys
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/// <c>AIVehicleInfos</c> by) and <paramref name="vehicleCfgId"/> is the <c>VehicleConfig</c> the car
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/// was built from. It lands in <c>VehicleInstanceId</c> / <c>AIAgentInfo.VehicleId</c>; the
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/// Racing-only extras (<c>AiVehicleCfgId</c> / <c>Lap</c> / <c>RacingTotalTimeMilli</c> …) are NOT
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/// part of this shape — R203 proved adding them desyncs the packet by 28 B per participant.
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/// </summary>
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private static GameMethods.GameGroundParticipantInfo4229938 BuildRacingParticipant(
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ulong agentInstanceId, uint aiCfgId, uint vehicleCfgId, int seatIndex)
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{
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return new GameMethods.GameGroundParticipantInfo4229938
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{
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Pid = agentInstanceId,
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NpcCultivationId = 0,
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AIAgentInfo = new GameMethods.LinkAIAgentInfo4229938
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{
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Uid = agentInstanceId,
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FightSpiritId = 0,
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Fashion = null,
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Nickname = $"AI {seatIndex + 1}",
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NameId = 0,
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AvatarImageId = 0,
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VehicleId = vehicleCfgId,
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},
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AgentInstanceId = agentInstanceId,
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VehicleInstanceId = agentInstanceId,
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SeatIndex = seatIndex,
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IsReady = true,
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IsPlayAgain = false,
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};
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}
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/// <summary>
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/// Build the payload the client's <c>Auto.Dispatch[449]</c> expects: the RacingZoneInfo
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/// discriminator (0x0F, emitted by <c>[UxContract(TypeMark = 15)]</c>) followed by the Racing
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/// fields and then the GameGroundZoneInfo fields.
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///
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/// When <paramref name="aiCount"/> > 0 the grid is populated with that many AI opponents
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/// (cfgIds from the track's HighAI/MiddleAI/LowAI pools); when 0 or omitted the grid stays empty,
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/// which is also the byte-compatible original probe. The LinkAIAgentInfo contract is now declared
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/// (RacingZoneMethods.cs), so a non-empty grid serialises correctly.
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///
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/// <para>
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/// <paramref name="prepareEnd"/> / <paramref name="displayEnd"/> are unix seconds for
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/// <c>GameGroundZoneCountDownInfo</c> (dump.cs:1918571). They drive the client's countdown panel
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/// and therefore the vehicle-control release — an all-zero countdown is what left the player in
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/// an undrivable car on 2026-09-22 (see GameRouter.RacingAutoStart.cs). Both default to 0 so the
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/// debug /api/racing/zone-probe payload stays byte-identical to the original 71-byte probe.
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/// </para>
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/// </summary>
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internal static GameMethods.RacingZoneInfo4229938 BuildRacingZoneProbe(
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uint cfgId,
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uint taskId,
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byte zoneState,
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byte syncReason,
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string? zoneSessionId,
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ulong gadgetUId,
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uint startTime = 0,
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uint gameTimeEnd = 0,
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uint prepareEnd = 0,
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uint displayEnd = 0,
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int aiCount = -1,
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IReadOnlyList<RacingAiVehicle>? realAiVehicles = null)
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{
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// AI grid: a real (spawned) roster wins; otherwise -1 ⇒ module default (RacingAiGridCount,
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// normally 0 = none) and a non-negative value ⇒ the legacy invented-id grid, A/B only.
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var gridCount = aiCount < 0 ? RacingAiGridCount : aiCount;
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var (aiVehicleInfos, aiParticipants) = BuildRacingAiGrid(cfgId, gridCount, realAiVehicles);
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return new GameMethods.RacingZoneInfo4229938
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{
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// Racing-specific, and they come first on the wire.
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CfgId = cfgId,
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StartTime = startTime,
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AIVehicleInfos = aiVehicleInfos,
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ResultData = new List<GameMethods.RacingResultData4229938>(),
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// Then the base GameGroundZoneInfo fields.
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ZoneSessionId = string.IsNullOrWhiteSpace(zoneSessionId) ? $"drmk-racing-{cfgId}-{taskId}" : zoneSessionId,
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GadgetUId = gadgetUId,
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TaskId = taskId,
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StartReason = StartReasonSingle,
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GameTypeRandom = false,
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SyncReason = syncReason,
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ZoneType = ZoneTypeRacing,
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ZoneState = zoneState,
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ParticipantInfos = aiParticipants,
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CountDownInfo = new GameMethods.GameGroundZoneCountDownInfo4229938
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{
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PrepareCountDownEndTime = prepareEnd,
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DisplayCountDownEndTime = displayEnd,
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// Zero start (the default) keeps the original probe payload byte-identical; the
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// auto-start passes real unix seconds so the client's lap clock has a base time.
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GameTimeCountDownStartTime = startTime,
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GameTimeCountDownEndTime = gameTimeEnd,
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},
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};
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}
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/// <summary>
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/// Human-readable sanity check for the caller-supplied cfgId, so a bad id is caught before it
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/// reaches the client (an unknown cfgId would make <c>InitAetherClientData</c> a no-op and
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/// silently produce a "nothing happened" result that looks like outcome (b)).
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/// </summary>
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internal static string? ValidateRacingCfgId(uint cfgId)
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{
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if (!ClientConfigRepository.RacingTracks().TryGetValue(cfgId, out var track))
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return $"cfgId {cfgId} is not in RacingDriverTrackInformationConfig";
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if (track.MaxPlayers == 0)
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return $"cfgId {cfgId} has MaxGamePeople=0 — that is a map POI marker row, not a real track";
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return null;
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}
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/// <summary>
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/// A null complex: exactly one 0x00 byte. The client's
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/// <c>GameSceneToClientImpl.SyncGameGroundZoneInfo</c> treats a nil zone as "tear down the
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/// current zone", which is also the only way to undo the probe without relogging.
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/// </summary>
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internal static byte[] BuildRacingZoneClearBody()
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=> Ananta.SDK.Serialization.UxSerializer.Serialize<GameMethods.RacingZoneInfo4229938>(null!);
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}
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