lightfinder!

LightlessSync/Services/BroadcastService.cs

@@ -0,0 +1,375 @@
+using LightlessSync.API.Dto.Group;
+using LightlessSync.API.Dto.User;
+using LightlessSync.LightlessConfiguration;
+using LightlessSync.Services.Mediator;
+using LightlessSync.Utils;
+using LightlessSync.WebAPI;
+using LightlessSync.WebAPI.SignalR;
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.AspNetCore.SignalR.Client;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace LightlessSync.Services;
+public class BroadcastService : IHostedService, IMediatorSubscriber
+{
+    private readonly ILogger<BroadcastService> _logger;
+    private readonly ApiController _apiController;
+    private readonly LightlessMediator _mediator;
+    private readonly HubFactory _hubFactory;
+    private readonly LightlessConfigService _config;
+    private readonly DalamudUtilService _dalamudUtil;
+    public LightlessMediator Mediator => _mediator;
+
+    public bool IsLightFinderAvailable { get; private set; } = true;
+
+    public bool IsBroadcasting => _config.Current.BroadcastEnabled;
+    private bool _syncedOnStartup = false;
+    private bool _waitingForTtlFetch = false;
+    private TimeSpan? _remainingTtl = null;
+    private DateTime _lastTtlCheck = DateTime.MinValue;
+    private DateTime _lastForcedDisableTime = DateTime.MinValue;
+    private static readonly TimeSpan DisableCooldown = TimeSpan.FromSeconds(5);
+    public TimeSpan? RemainingTtl => _remainingTtl;
+    public TimeSpan? RemainingCooldown
+    {
+        get
+        {
+            var elapsed = DateTime.UtcNow - _lastForcedDisableTime;
+            if (elapsed >= DisableCooldown) return null;
+            return DisableCooldown - elapsed;
+        }
+    }
+    public BroadcastService(ILogger<BroadcastService> logger, LightlessMediator mediator, HubFactory hubFactory, LightlessConfigService config, DalamudUtilService dalamudUtil, ApiController apiController)
+    {
+        _logger = logger;
+        _mediator = mediator;
+        _hubFactory = hubFactory;
+        _config = config;
+        _dalamudUtil = dalamudUtil;
+        _apiController = apiController;
+    }
+    private async Task RequireConnectionAsync(string context, Func<Task> action)
+    {
+        if (!_apiController.IsConnected)
+        {
+            _logger.LogDebug($"{context} skipped, not connected");
+            return;
+        }
+        await action().ConfigureAwait(false);
+    }
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        _mediator.Subscribe<EnableBroadcastMessage>(this, OnEnableBroadcast);
+        _mediator.Subscribe<BroadcastStatusChangedMessage>(this, OnBroadcastStatusChanged);
+        _mediator.Subscribe<PriorityFrameworkUpdateMessage>(this, OnTick);
+
+        _apiController.OnConnected += () => _ = CheckLightfinderSupportAsync(cancellationToken);
+        _ = CheckLightfinderSupportAsync(cancellationToken);
+    }
+
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        _mediator.UnsubscribeAll(this);
+        _apiController.OnConnected -= () => _ = CheckLightfinderSupportAsync(cancellationToken);
+        return Task.CompletedTask;
+    }
+
+    // need to rework this, this is cooked
+    private async Task CheckLightfinderSupportAsync(CancellationToken cancellationToken)
+    {
+        try
+        {
+            while (!_apiController.IsConnected && !cancellationToken.IsCancellationRequested)
+                await Task.Delay(250, cancellationToken).ConfigureAwait(false);
+
+            if (cancellationToken.IsCancellationRequested)
+                return;
+
+            var hub = _hubFactory.GetOrCreate(CancellationToken.None);
+            var dummy = "0".PadLeft(64, '0');
+
+            await hub.InvokeAsync<BroadcastStatusInfoDto?>("IsUserBroadcasting", dummy, cancellationToken);
+            await hub.InvokeAsync("SetBroadcastStatus", dummy, true, null, cancellationToken);
+            await hub.InvokeAsync<TimeSpan?>("GetBroadcastTtl", dummy, cancellationToken);
+            await hub.InvokeAsync<Dictionary<string, BroadcastStatusInfoDto?>>("AreUsersBroadcasting", new[] { dummy }, cancellationToken);
+
+            IsLightFinderAvailable = true;
+            _logger.LogInformation("Lightfinder is available.");
+        }
+        catch (HubException ex) when (ex.Message.Contains("Method does not exist"))
+        {
+            _logger.LogWarning("Lightfinder unavailable: required method missing.");
+            IsLightFinderAvailable = false;
+
+            _config.Current.BroadcastEnabled = false;
+            _config.Current.BroadcastTtl = DateTime.MinValue;
+            _config.Save();
+            _mediator.Publish(new BroadcastStatusChangedMessage(false, null));
+        }
+        catch (OperationCanceledException)
+        {
+            _logger.LogInformation("Lightfinder check was canceled.");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning(ex, "Lightfinder check failed.");
+            IsLightFinderAvailable = false;
+
+            _config.Current.BroadcastEnabled = false;
+            _config.Current.BroadcastTtl = DateTime.MinValue;
+            _config.Save();
+            _mediator.Publish(new BroadcastStatusChangedMessage(false, null));
+        }
+    }
+
+    private void OnEnableBroadcast(EnableBroadcastMessage msg)
+    {
+        _ = RequireConnectionAsync(nameof(OnEnableBroadcast), async () =>
+        {
+            try
+            {
+                GroupBroadcastRequestDto? groupDto = null;
+                if (_config.Current.SyncshellFinderEnabled && _config.Current.SelectedFinderSyncshell != null)
+                {
+                    groupDto = new GroupBroadcastRequestDto
+                    {
+                        HashedCID = msg.HashedCid,
+                        GID = _config.Current.SelectedFinderSyncshell,
+                        Enabled = msg.Enabled,
+                    };
+                }
+
+                _ = _apiController.SetBroadcastStatus(msg.HashedCid, msg.Enabled, groupDto).ConfigureAwait(false);
+
+                _logger.LogInformation("Broadcast {Status} for {Cid}", msg.Enabled ? "enabled" : "disabled", msg.HashedCid);
+
+                if (!msg.Enabled)
+                {
+                    _config.Current.BroadcastEnabled = false;
+                    _config.Current.BroadcastTtl = DateTime.MinValue;
+                    _config.Save();
+
+                    _mediator.Publish(new BroadcastStatusChangedMessage(false, null));
+                    return;
+                }
+
+                _waitingForTtlFetch = true;
+
+                var ttl = await GetBroadcastTtlAsync(msg.HashedCid).ConfigureAwait(false);
+
+                if (ttl is { } remaining && remaining > TimeSpan.Zero)
+                {
+                    _config.Current.BroadcastTtl = DateTime.UtcNow + remaining;
+                    _config.Current.BroadcastEnabled = true;
+                    _config.Save();
+
+                    _logger.LogInformation("Fetched TTL from server: {TTL}", remaining);
+                    _mediator.Publish(new BroadcastStatusChangedMessage(true, remaining));
+                }
+                else
+                {
+                    _logger.LogWarning("No valid TTL returned after enabling broadcast. Disabling.");
+                    _config.Current.BroadcastEnabled = false;
+                    _config.Current.BroadcastTtl = DateTime.MinValue;
+                    _config.Save();
+
+                    _mediator.Publish(new BroadcastStatusChangedMessage(false, null));
+                }
+
+                _waitingForTtlFetch = false;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Failed to toggle broadcast for {Cid}", msg.HashedCid);
+                _waitingForTtlFetch = false;
+            }
+        });
+    }
+
+    private void OnBroadcastStatusChanged(BroadcastStatusChangedMessage msg)
+    {
+        _config.Current.BroadcastEnabled = msg.Enabled;
+        _config.Save();
+    }
+
+    public async Task<bool> CheckIfBroadcastingAsync(string targetCid)
+    {
+        bool result = false;
+        await RequireConnectionAsync(nameof(CheckIfBroadcastingAsync), async () =>
+        {
+            try
+            {
+                _logger.LogInformation("[BroadcastCheck] Checking CID: {cid}", targetCid);
+
+                var info = await _apiController.IsUserBroadcasting(targetCid).ConfigureAwait(false);
+                result = info?.TTL > TimeSpan.Zero;
+
+
+                _logger.LogInformation("[BroadcastCheck] Result for {cid}: {result} (TTL: {ttl}, GID: {gid})", targetCid, result, info?.TTL, info?.GID);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Failed to check broadcast status for {cid}", targetCid);
+            }
+        }).ConfigureAwait(false);
+
+
+        return result;
+    }
+
+    public async Task<TimeSpan?> GetBroadcastTtlAsync(string cid)
+    {
+        TimeSpan? ttl = null;
+        await RequireConnectionAsync(nameof(GetBroadcastTtlAsync), async () => {
+            try
+            {
+                ttl = await _apiController.GetBroadcastTtl(cid).ConfigureAwait(false);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Failed to fetch broadcast TTL for {cid}", cid);
+            }
+        }).ConfigureAwait(false);
+        return ttl;
+    }
+
+    public async Task<Dictionary<string, BroadcastStatusInfoDto?>> AreUsersBroadcastingAsync(List<string> hashedCids)
+    {
+        Dictionary<string, BroadcastStatusInfoDto?> result = new();
+
+        await RequireConnectionAsync(nameof(AreUsersBroadcastingAsync), async () =>
+        {
+            try
+            {
+                var batch = await _apiController.AreUsersBroadcasting(hashedCids).ConfigureAwait(false);
+
+                if (batch?.Results != null)
+                {
+                    foreach (var kv in batch.Results)
+                        result[kv.Key] = kv.Value;
+                }
+
+                _logger.LogInformation("Batch broadcast status check complete for {Count} CIDs", hashedCids.Count);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Failed to batch check broadcast status");
+            }
+        }).ConfigureAwait(false);
+
+        return result;
+    }
+
+
+
+    public async void ToggleBroadcast()
+    {
+        if (!IsLightFinderAvailable)
+        {
+            _logger.LogWarning("ToggleBroadcast - Lightfinder is not available.");
+            return;
+        }
+
+        await RequireConnectionAsync(nameof(ToggleBroadcast), async () =>
+        {
+            var cooldown = RemainingCooldown;
+            if (!_config.Current.BroadcastEnabled && cooldown is { } cd && cd > TimeSpan.Zero)
+            {
+                _logger.LogWarning("Cooldown active. Must wait {Remaining}s before re-enabling.", cd.TotalSeconds);
+                return;
+            }
+
+            var hashedCid = (await _dalamudUtil.GetCIDAsync().ConfigureAwait(false)).ToString().GetHash256();
+
+            try
+            {
+                var isCurrentlyBroadcasting = await CheckIfBroadcastingAsync(hashedCid).ConfigureAwait(false);
+                var newStatus = !isCurrentlyBroadcasting;
+
+                if (!newStatus)
+                {
+                    _lastForcedDisableTime = DateTime.UtcNow;
+                    _logger.LogInformation("Manual disable: cooldown timer started.");
+                }
+
+                _logger.LogInformation("Toggling broadcast. Server currently broadcasting: {ServerStatus}, setting to: {NewStatus}", isCurrentlyBroadcasting, newStatus);
+
+                _mediator.Publish(new EnableBroadcastMessage(hashedCid, newStatus));
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Failed to determine current broadcast status for toggle");
+            }
+        }).ConfigureAwait(false);
+    }
+
+    private async void OnTick(PriorityFrameworkUpdateMessage _)
+    {
+        if (!IsLightFinderAvailable)
+            return;
+
+        if (_config?.Current == null)
+            return;
+
+        if ((DateTime.UtcNow - _lastTtlCheck).TotalSeconds < 1)
+            return;
+
+        _lastTtlCheck = DateTime.UtcNow;
+
+        await RequireConnectionAsync(nameof(OnTick), async () => {
+            if (!_syncedOnStartup && _config.Current.BroadcastEnabled)
+            {
+                _syncedOnStartup = true;
+                try
+                {
+                    var hashedCid = (await _dalamudUtil.GetCIDAsync().ConfigureAwait(false)).ToString().GetHash256();
+                    var ttl = await GetBroadcastTtlAsync(hashedCid).ConfigureAwait(false);
+                    if (ttl is { }
+                      remaining && remaining > TimeSpan.Zero)
+                    {
+                        _config.Current.BroadcastTtl = DateTime.UtcNow + remaining;
+                        _config.Current.BroadcastEnabled = true;
+                        _config.Save();
+                        _logger.LogInformation("Refreshed broadcast TTL from server on first OnTick: {TTL}", remaining);
+                    }
+                    else
+                    {
+                        _logger.LogWarning("No valid TTL found on OnTick. Disabling broadcast state.");
+                        _config.Current.BroadcastEnabled = false;
+                        _config.Current.BroadcastTtl = DateTime.MinValue;
+                        _config.Save();
+                        _mediator.Publish(new BroadcastStatusChangedMessage(false, null));
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Failed to refresh TTL in OnTick");
+                }
+            }
+            if (_config.Current.BroadcastEnabled)
+            {
+                if (_waitingForTtlFetch)
+                {
+                    _logger.LogDebug("OnTick skipped: waiting for TTL fetch");
+                    return;
+                }
+                var expiry = _config.Current.BroadcastTtl;
+                var remaining = expiry - DateTime.UtcNow;
+                _remainingTtl = remaining > TimeSpan.Zero ? remaining : null;
+                if (_remainingTtl == null)
+                {
+                    _logger.LogInformation("Broadcast TTL expired. Disabling broadcast locally.");
+                    _config.Current.BroadcastEnabled = false;
+                    _config.Current.BroadcastTtl = DateTime.MinValue;
+                    _config.Save();
+                    _mediator.Publish(new BroadcastStatusChangedMessage(false, null));
+                }
+            }
+            else
+            {
+                _remainingTtl = null;
+            }
+        }).ConfigureAwait(false);
+    }
+}

LightlessSync/Services/DalamudUtilService.cs

@@ -313,7 +313,7 @@ public class DalamudUtilService : IHostedService, IMediatorSubscriber
         return await RunOnFrameworkThread(() => _cid.Value.ToString().GetHash256()).ConfigureAwait(false);
     }
 
-    private unsafe static string GetHashedCIDFromPlayerPointer(nint ptr)
+    public unsafe static string GetHashedCIDFromPlayerPointer(nint ptr)
     {
         return ((BattleChara*)ptr)->Character.ContentId.ToString().GetHash256();
     }
@@ -421,6 +421,16 @@ public class DalamudUtilService : IHostedService, IMediatorSubscriber
         return await RunOnFrameworkThread(() => IsObjectPresent(obj)).ConfigureAwait(false);
     }
 
+    public IPlayerCharacter? GetPlayerByNameAndWorld(string name, ushort homeWorldId)
+    {
+        EnsureIsOnFramework();
+        return _objectTable
+            .OfType<IPlayerCharacter>()
+            .FirstOrDefault(p =>
+                string.Equals(p.Name.TextValue, name, StringComparison.Ordinal) &&
+                p.HomeWorld.RowId == homeWorldId);
+    }
+
     public async Task RunOnFrameworkThread(System.Action act, [CallerMemberName] string callerMember = "", [CallerFilePath] string callerFilePath = "", [CallerLineNumber] int callerLineNumber = 0)
     {
         var fileName = Path.GetFileNameWithoutExtension(callerFilePath);

LightlessSync/Services/Mediator/Messages.cs

@@ -97,7 +97,9 @@ public record GPoseLobbyReceiveCharaData(CharaDataDownloadDto CharaDataDownloadD
 public record GPoseLobbyReceivePoseData(UserData UserData, PoseData PoseData) : MessageBase;
 public record GPoseLobbyReceiveWorldData(UserData UserData, WorldData WorldData) : MessageBase;
 public record OpenCharaDataHubWithFilterMessage(UserData UserData) : MessageBase;
-
+public record EnableBroadcastMessage(string HashedCid, bool Enabled) : MessageBase;
+public record BroadcastStatusChangedMessage(bool Enabled, TimeSpan? Ttl) : MessageBase;
+public record SyncshellBroadcastsUpdatedMessage : MessageBase;
 public record VisibilityChange : MessageBase;
 #pragma warning restore S2094
 #pragma warning restore MA0048 // File name must match type name

LightlessSync/Services/Mediator/WindowMediatorSubscriberBase.cs

@@ -1,4 +1,5 @@
 using Dalamud.Interface.Windowing;
+using LightlessSync.UI.Style;
 using Microsoft.Extensions.Logging;
 
 namespace LightlessSync.Services.Mediator;
@@ -33,6 +34,18 @@ public abstract class WindowMediatorSubscriberBase : Window, IMediatorSubscriber
         GC.SuppressFinalize(this);
     }
 
+    public override void PreDraw()
+    {
+        base.PreDraw();
+        MainStyle.PushStyle(); // internally checks ShouldUseTheme
+    }
+
+    public override void PostDraw()
+    {
+        MainStyle.PopStyle(); // always attempts to pop if pushed
+        base.PostDraw();
+    }
+
     public override void Draw()
     {
         _performanceCollectorService.LogPerformance(this, $"Draw", DrawInternal);

LightlessSync/Services/NameplateHandler.cs

@@ -0,0 +1,297 @@
+using Dalamud.Game.Addon.Lifecycle;
+using Dalamud.Game.Addon.Lifecycle.AddonArgTypes;
+using Dalamud.Plugin.Services;
+using FFXIVClientStructs.FFXIV.Client.System.Framework;
+using FFXIVClientStructs.FFXIV.Client.UI;
+using FFXIVClientStructs.FFXIV.Component.GUI;
+using LightlessSync.Services.Mediator;
+using LightlessSync.Utils;
+// Created using https://github.com/PunishedPineapple/Distance as a reference, thank you!
+
+using Microsoft.Extensions.Logging;
+
+namespace LightlessSync.Services;
+
+public unsafe class NameplateHandler : IMediatorSubscriber
+{
+    private readonly ILogger<NameplateHandler> _logger;
+    private readonly IAddonLifecycle _addonLifecycle;
+    private readonly IGameGui _gameGui;
+    private readonly DalamudUtilService _dalamudUtil;
+    private readonly LightlessMediator _mediator;
+    public LightlessMediator Mediator => _mediator;
+
+    private bool mEnabled = false;
+    private bool _needsLabelRefresh = false;
+    private AddonNamePlate* mpNameplateAddon = null;
+    private readonly AtkTextNode*[] mTextNodes = new AtkTextNode*[AddonNamePlate.NumNamePlateObjects];
+
+    internal const uint mNameplateNodeIDBase = 0x7D99D500;
+
+    private volatile HashSet<string> _activeBroadcastingCids = new();
+
+    public NameplateHandler(ILogger<NameplateHandler> logger, IAddonLifecycle addonLifecycle, IGameGui gameGui, DalamudUtilService dalamudUtil, LightlessMediator mediator)
+    {
+        _logger = logger;
+        _addonLifecycle = addonLifecycle;
+        _gameGui = gameGui;
+        _dalamudUtil = dalamudUtil;
+        _mediator = mediator;
+    }
+
+    internal void Init()
+    {
+        EnableNameplate();
+        _mediator.Subscribe<PriorityFrameworkUpdateMessage>(this, OnTick);
+    }
+
+    internal void Uninit()
+    {
+        DisableNameplate();
+        DestroyNameplateNodes();
+        _mediator.Unsubscribe<PriorityFrameworkUpdateMessage>(this);
+        mpNameplateAddon = null;
+    }
+
+    internal void EnableNameplate()
+    {
+        if (!mEnabled)
+        {
+            try
+            {
+                _addonLifecycle.RegisterListener(AddonEvent.PostDraw, "NamePlate", NameplateDrawDetour);
+                mEnabled = true;
+            }
+            catch (Exception e)
+            {
+                _logger.LogError($"Unknown error while trying to enable nameplate distances:\n{e}");
+                DisableNameplate();
+            }
+        }
+    }
+
+    internal void DisableNameplate()
+    {
+        if (mEnabled)
+        {
+            try
+            {
+                _addonLifecycle.UnregisterListener(NameplateDrawDetour);
+            }
+            catch (Exception e)
+            {
+                _logger.LogError($"Unknown error while unregistering nameplate listener:\n{e}");
+            }
+
+            mEnabled = false;
+            HideAllNameplateNodes();
+        }
+    }
+
+    private void NameplateDrawDetour(AddonEvent type, AddonArgs args)
+    {
+        var pNameplateAddon = (AddonNamePlate*)args.Addon.Address;
+
+        if (mpNameplateAddon != pNameplateAddon)
+        {
+            for (int i = 0; i < mTextNodes.Length; ++i) mTextNodes[i] = null;
+            mpNameplateAddon = pNameplateAddon;
+            if (mpNameplateAddon != null) CreateNameplateNodes();
+        }
+
+        UpdateNameplateNodes();
+    }
+
+    private void CreateNameplateNodes()
+    {
+        for (int i = 0; i < AddonNamePlate.NumNamePlateObjects; ++i)
+        {
+            var nameplateObject = GetNameplateObject(i);
+            if (nameplateObject == null)
+                continue;
+
+            var pNameplateResNode = nameplateObject.Value.NameContainer;
+            var pNewNode = AtkNodeHelpers.CreateOrphanTextNode(mNameplateNodeIDBase + (uint)i, TextFlags.Edge | TextFlags.Glare);
+
+            if (pNewNode != null)
+            {
+                var pLastChild = pNameplateResNode->ChildNode;
+                while (pLastChild->PrevSiblingNode != null) pLastChild = pLastChild->PrevSiblingNode;
+                pNewNode->AtkResNode.NextSiblingNode = pLastChild;
+                pNewNode->AtkResNode.ParentNode = pNameplateResNode;
+                pLastChild->PrevSiblingNode = (AtkResNode*)pNewNode;
+                nameplateObject.Value.RootComponentNode->Component->UldManager.UpdateDrawNodeList();
+                pNewNode->AtkResNode.SetUseDepthBasedPriority(true);
+                mTextNodes[i] = pNewNode;
+            }
+        }
+    }
+
+    private void DestroyNameplateNodes()
+    {
+        var pCurrentNameplateAddon = (AddonNamePlate*)_gameGui.GetAddonByName("NamePlate", 1).Address;
+        if (mpNameplateAddon == null || mpNameplateAddon != pCurrentNameplateAddon)
+            return;
+
+        for (int i = 0; i < AddonNamePlate.NumNamePlateObjects; ++i)
+        {
+            var pTextNode = mTextNodes[i];
+            var pNameplateNode = GetNameplateComponentNode(i);
+            if (pTextNode != null && pNameplateNode != null)
+            {
+                try
+                {
+                    if (pTextNode->AtkResNode.PrevSiblingNode != null)
+                        pTextNode->AtkResNode.PrevSiblingNode->NextSiblingNode = pTextNode->AtkResNode.NextSiblingNode;
+                    if (pTextNode->AtkResNode.NextSiblingNode != null)
+                        pTextNode->AtkResNode.NextSiblingNode->PrevSiblingNode = pTextNode->AtkResNode.PrevSiblingNode;
+                    pNameplateNode->Component->UldManager.UpdateDrawNodeList();
+                    pTextNode->AtkResNode.Destroy(true);
+                    mTextNodes[i] = null;
+                }
+                catch (Exception e)
+                {
+                    _logger.LogError($"Unknown error while removing text node 0x{(IntPtr)pTextNode:X} for nameplate {i} on component node 0x{(IntPtr)pNameplateNode:X}:\n{e}");
+                }
+            }
+        }
+    }
+
+    private void HideAllNameplateNodes()
+    {
+        for (int i = 0; i < mTextNodes.Length; ++i)
+        {
+            HideNameplateTextNode(i);
+        }
+    }
+
+    private void UpdateNameplateNodes()
+    {
+        var framework = Framework.Instance();
+        var ui3DModule = framework->GetUIModule()->GetUI3DModule();
+
+        if (ui3DModule == null)
+            return;
+
+        for (int i = 0; i < ui3DModule->NamePlateObjectInfoCount; ++i)
+        {
+            var objectInfo = ui3DModule->NamePlateObjectInfoPointers[i].Value;
+            if (objectInfo == null || objectInfo->GameObject == null)
+                continue;
+
+            var nameplateIndex = objectInfo->NamePlateIndex;
+            if (nameplateIndex < 0 || nameplateIndex >= AddonNamePlate.NumNamePlateObjects)
+                continue;
+
+            var pNode = mTextNodes[nameplateIndex];
+            if (pNode == null)
+                continue;
+
+            var cid = DalamudUtilService.GetHashedCIDFromPlayerPointer((nint)objectInfo->GameObject);
+
+            //_logger.LogInformation($"checking cid: {cid}", cid);
+
+            if (cid == null || !_activeBroadcastingCids.Contains(cid))
+            {
+                pNode->AtkResNode.ToggleVisibility(false);
+                continue;
+            }
+
+            pNode->AtkResNode.ToggleVisibility(true);
+
+            var nameplateObject = mpNameplateAddon->NamePlateObjectArray[nameplateIndex];
+            nameplateObject.RootComponentNode->Component->UldManager.UpdateDrawNodeList();
+
+            var nameContainer = nameplateObject.NameContainer;
+            var nameText = nameplateObject.NameText;
+
+            var labelY = nameContainer->Height - nameplateObject.TextH - (int)(24 * nameText->AtkResNode.ScaleY);
+
+            pNode->AtkResNode.SetPositionShort(58, (short)labelY);
+            pNode->AtkResNode.SetUseDepthBasedPriority(true);
+            pNode->AtkResNode.SetScale(0.5f, 0.5f);
+
+            pNode->AtkResNode.Color.A = 255;
+
+            pNode->TextColor.A = 255;
+            pNode->TextColor.R = 173;
+            pNode->TextColor.G = 138;
+            pNode->TextColor.B = 245;
+
+            pNode->EdgeColor.A = 255;
+            pNode->EdgeColor.R = 0;
+            pNode->EdgeColor.G = 0;
+            pNode->EdgeColor.B = 0;
+
+            pNode->FontSize = 24;
+            pNode->AlignmentType = AlignmentType.Center;
+            pNode->FontType = FontType.MiedingerMed;
+            pNode->LineSpacing = 24;
+            pNode->CharSpacing = 1;
+
+            pNode->TextFlags = TextFlags.Edge | TextFlags.Glare;
+
+            pNode->SetText("Lightfinder");
+        }
+    }
+
+    private void HideNameplateTextNode(int i)
+    {
+        var pNode = mTextNodes[i];
+        if (pNode != null)
+        {
+            pNode->AtkResNode.ToggleVisibility(false);
+        }
+    }
+
+    private AddonNamePlate.NamePlateObject? GetNameplateObject(int i)
+    {
+        if (i < AddonNamePlate.NumNamePlateObjects &&
+            mpNameplateAddon != null &&
+            mpNameplateAddon->NamePlateObjectArray[i].RootComponentNode != null)
+        {
+            return mpNameplateAddon->NamePlateObjectArray[i];
+        }
+        else
+        {
+            return null;
+        }
+    }
+
+    private AtkComponentNode* GetNameplateComponentNode(int i)
+    {
+        var nameplateObject = GetNameplateObject(i);
+        return nameplateObject != null ? nameplateObject.Value.RootComponentNode : null;
+    }
+
+    public void FlagRefresh()
+    {
+        _needsLabelRefresh = true;
+    }
+
+    public void OnTick(PriorityFrameworkUpdateMessage _)
+    {
+        if (_needsLabelRefresh)
+        {
+            UpdateNameplateNodes();
+            _needsLabelRefresh = false;
+        }
+    }
+
+    public void UpdateBroadcastingCids(IEnumerable<string> cids)
+    {
+        var newSet = cids.ToHashSet();
+
+        var changed = !_activeBroadcastingCids.SetEquals(newSet);
+        if (!changed)
+            return;
+
+        _activeBroadcastingCids.Clear();
+        foreach (var cid in newSet)
+            _activeBroadcastingCids.Add(cid);
+
+        _logger.LogInformation("Active broadcast CIDs: {Cids}", string.Join(",", _activeBroadcastingCids));
+
+        FlagRefresh();
+    }
+}

LightlessSync/Services/NameplateService.cs

@@ -3,47 +3,120 @@ using Dalamud.Game.Gui.NamePlate;
 using Dalamud.Game.Text.SeStringHandling;
 using Dalamud.Plugin.Services;
 using Dalamud.Utility;
+using LightlessSync.API.Dto.User;
 using LightlessSync.LightlessConfiguration;
 using LightlessSync.PlayerData.Pairs;
 using LightlessSync.Services.Mediator;
 using LightlessSync.UI;
 using Microsoft.Extensions.Logging;
+using System.Collections.Concurrent;
+
 namespace LightlessSync.Services;
 
 public class NameplateService : DisposableMediatorSubscriberBase
 {
+    private readonly ILogger<NameplateService> _logger;
     private readonly LightlessConfigService _configService;
     private readonly IClientState _clientState;
     private readonly INamePlateGui _namePlateGui;
     private readonly PairManager _pairManager;
+    private readonly BroadcastService _broadcastService;
+    private readonly DalamudUtilService _dalamudUtil;
+    private readonly NameplateHandler _nameplatehandler;
+    private readonly IFramework _framework;
+    private readonly IGameGui _gameGui;
 
+    private readonly ConcurrentDictionary<string, BroadcastEntry> _broadcastCache = new();
+    private static readonly TimeSpan MaxAllowedTtl = TimeSpan.FromMinutes(5);
+    private static readonly TimeSpan RetryDelay = TimeSpan.FromMinutes(1);
+    private readonly Queue<string> _lookupQueue = new();
+    private readonly HashSet<string> _lookupQueuedCids = new();
+    private readonly HashSet<string> _syncshellCids = new();
+
+    private readonly CancellationTokenSource _cleanupCts = new();
+    private Task? _cleanupTask;
+
+    private const int MaxLookupsPerFrame = 15;
+    private const int MaxQueueSize = 100;
+
+    private int _lookupsThisFrame = 0;
+    private int _frameCounter = 0;
+
+    public IReadOnlyDictionary<string, BroadcastEntry> BroadcastCache => _broadcastCache;
+
+    public readonly struct BroadcastEntry
+    {
+        public readonly bool IsBroadcasting;
+        public readonly DateTime ExpiryTime;
+        public readonly bool PrefixApplied;
+        public readonly string? GID;
+
+        public BroadcastEntry(bool isBroadcasting, DateTime expiryTime, bool prefixApplied, string? gid = null)
+        {
+            IsBroadcasting = isBroadcasting;
+            ExpiryTime = expiryTime;
+            PrefixApplied = prefixApplied;
+            GID = gid;
+        }
+    }
 
     public NameplateService(ILogger<NameplateService> logger,
         LightlessConfigService configService,
         INamePlateGui namePlateGui,
         IClientState clientState,
         PairManager pairManager,
-        LightlessMediator lightlessMediator) : base(logger, lightlessMediator)
+        BroadcastService broadcastService,
+        LightlessMediator lightlessMediator,
+        DalamudUtilService dalamudUtil,
+        NameplateHandler nameplatehandler,
+        IGameGui gameGui) : base(logger, lightlessMediator)
     {
+        _logger = logger;
         _configService = configService;
         _namePlateGui = namePlateGui;
         _clientState = clientState;
         _pairManager = pairManager;
+        _broadcastService = broadcastService;
+        _dalamudUtil = dalamudUtil;
+        _nameplatehandler = nameplatehandler;
+        _gameGui = gameGui;
+
         _namePlateGui.OnNamePlateUpdate += OnNamePlateUpdate;
         _namePlateGui.RequestRedraw();
         Mediator.Subscribe<VisibilityChange>(this, (_) => _namePlateGui.RequestRedraw());
+        Mediator.Subscribe<BroadcastStatusChangedMessage>(this, OnBroadcastStatusChanged);
 
+        _nameplatehandler.Init();
+        _cleanupTask = Task.Run(ExpiredBroadcastCleanupLoop);
     }
 
     private void OnNamePlateUpdate(INamePlateUpdateContext context, IReadOnlyList<INamePlateUpdateHandler> handlers)
     {
-        if (!_configService.Current.IsNameplateColorsEnabled || (_configService.Current.IsNameplateColorsEnabled && _clientState.IsPvPExcludingDen)) return;
-        var visibleUsersIds = _pairManager.GetOnlineUserPairs().Where(u => u.IsVisible && u.PlayerCharacterId != uint.MaxValue).Select(u => (ulong)u.PlayerCharacterId).ToHashSet();
+        _frameCounter++;
+        _lookupsThisFrame = 0;
+
+        if (!_configService.Current.IsNameplateColorsEnabled || (_configService.Current.IsNameplateColorsEnabled && _clientState.IsPvPExcludingDen))
+            return;
+
+        var visibleUsersIds = _pairManager.GetOnlineUserPairs()
+            .Where(u => u.IsVisible && u.PlayerCharacterId != uint.MaxValue)
+            .Select(u => (ulong)u.PlayerCharacterId)
+            .ToHashSet();
+
+        var now = DateTime.UtcNow;
         var colors = _configService.Current.NameplateColors;
+
         foreach (var handler in handlers)
         {
             var playerCharacter = handler.PlayerCharacter;
-            if (playerCharacter == null) { continue; }
+            if (playerCharacter == null)
+                continue;
+
+
+            var cid = DalamudUtilService.GetHashedCIDFromPlayerPointer(playerCharacter.Address);
+            var hasEntry = _broadcastCache.TryGetValue(cid, out var entry);
+            var isEntryStale = !hasEntry || entry.ExpiryTime <= now;
+
             var isInParty = playerCharacter.StatusFlags.HasFlag(StatusFlags.PartyMember);
             var isFriend = playerCharacter.StatusFlags.HasFlag(StatusFlags.Friend);
             bool partyColorAllowed = (_configService.Current.overridePartyColor && isInParty);
@@ -55,9 +128,171 @@ public class NameplateService : DisposableMediatorSubscriberBase
                         (isFriend && !friendColorAllowed)
                     ))
             {
+                _logger.LogInformation("added nameplate color to {Name}", playerCharacter.Name.TextValue);
                 handler.NameParts.TextWrap = CreateTextWrap(colors);
             }
+
+            if (!_broadcastService.IsBroadcasting)
+                continue;
+
+            if (isEntryStale && _lookupQueuedCids.Add(cid) && _lookupQueue.Count < MaxQueueSize)
+            {
+                _lookupQueue.Enqueue(cid);
+            }
         }
+
+        if (_broadcastService.IsBroadcasting && _frameCounter % 2 == 0)
+        {
+            var cidsToLookup = new List<string>();
+            while (_lookupQueue.Count > 0 && _lookupsThisFrame < MaxLookupsPerFrame)
+            {
+                var nextCid = _lookupQueue.Dequeue();
+                _lookupQueuedCids.Remove(nextCid);
+                cidsToLookup.Add(nextCid);
+                _lookupsThisFrame++;
+            }
+
+            if (cidsToLookup.Count > 0)
+                _ = BatchUpdateBroadcastCacheAsync(cidsToLookup);
+        }
+    }
+
+    private async Task BatchUpdateBroadcastCacheAsync(List<string> cidList)
+    {
+        var results = await _broadcastService.AreUsersBroadcastingAsync(cidList).ConfigureAwait(false);
+        var now = DateTime.UtcNow;
+
+        foreach (var (cid, info) in results)
+        {
+            if (string.IsNullOrWhiteSpace(cid) || info == null)
+            {
+                _logger.LogWarning("Skipping broadcast entry: cid={Cid}, info=null or empty", cid);
+                continue;
+            }
+
+            bool isBroadcasting = info.IsBroadcasting;
+            TimeSpan effectiveTtl = isBroadcasting && info.TTL.HasValue
+                ? TimeSpan.FromTicks(Math.Min(info.TTL.Value.Ticks, MaxAllowedTtl.Ticks))
+                : RetryDelay;
+
+            var expiryTime = now + effectiveTtl;
+
+            _broadcastCache.AddOrUpdate(cid,
+                new BroadcastEntry(isBroadcasting, expiryTime, false, info.GID),
+                (_, old) => new BroadcastEntry(isBroadcasting, expiryTime, old.PrefixApplied, info.GID));
+        }
+
+        var activeCids = _broadcastCache
+            .Where(kvp => kvp.Value.IsBroadcasting)
+            .Select(kvp => kvp.Key)
+            .ToList();
+
+        _nameplatehandler.UpdateBroadcastingCids(activeCids);
+        _namePlateGui.RequestRedraw();
+
+        UpdateSyncshellBroadcasts();
+    }
+
+    private void OnBroadcastStatusChanged(BroadcastStatusChangedMessage msg)
+    {
+        if (!msg.Enabled)
+        {
+            _logger.LogInformation("Broadcast disabled, clearing prefix cache and queue");
+
+            _broadcastCache.Clear();
+            _lookupQueue.Clear();
+            _lookupQueuedCids.Clear();
+            _syncshellCids.Clear();
+
+            _nameplatehandler.UpdateBroadcastingCids(Enumerable.Empty<string>());
+            _namePlateGui.RequestRedraw();
+        }
+    }
+
+    public List<BroadcastStatusInfoDto> GetActiveSyncshellBroadcasts()
+    {
+        var now = DateTime.UtcNow;
+
+        return _broadcastCache
+            .Where(kvp =>
+                kvp.Value.IsBroadcasting &&
+                kvp.Value.ExpiryTime > now &&
+                !string.IsNullOrEmpty(kvp.Value.GID))
+            .Select(kvp => new BroadcastStatusInfoDto
+            {
+                HashedCID = kvp.Key,
+                IsBroadcasting = true,
+                TTL = kvp.Value.ExpiryTime - now,
+                GID = kvp.Value.GID
+            })
+            .ToList();
+    }
+
+    private void UpdateSyncshellBroadcasts()
+    {
+        var now = DateTime.UtcNow;
+
+        var newSet = _broadcastCache
+            .Where(kvp => kvp.Value.IsBroadcasting && kvp.Value.ExpiryTime > now && !string.IsNullOrEmpty(kvp.Value.GID))
+            .Select(kvp => kvp.Key)
+            .ToHashSet();
+
+        if (!_syncshellCids.SetEquals(newSet))
+        {
+            _syncshellCids.Clear();
+            foreach (var cid in newSet)
+                _syncshellCids.Add(cid);
+
+            _logger.LogInformation("Syncshell broadcast entries changed, sending update lol");
+            Mediator.Publish(new SyncshellBroadcastsUpdatedMessage());
+        }
+    }
+
+    public bool IsBroadcastingKnown(string cidHash, out bool isBroadcasting)
+    {
+        if (_broadcastCache.TryGetValue(cidHash, out var entry))
+        {
+            isBroadcasting = entry.IsBroadcasting;
+            return true;
+        }
+
+        isBroadcasting = false;
+        return false;
+    }
+
+    private async Task ExpiredBroadcastCleanupLoop()
+    {
+        var token = _cleanupCts.Token;
+
+        try
+        {
+            while (!token.IsCancellationRequested)
+            {
+                await Task.Delay(TimeSpan.FromSeconds(10), token);
+
+                var now = DateTime.UtcNow;
+                foreach (var (cid, entry) in _broadcastCache.ToArray())
+                {
+                    if (entry.ExpiryTime <= now)
+                    {
+                        if (_broadcastCache.TryRemove(cid, out _))
+                        {
+                            _logger.LogInformation("Removed expired broadcast entry: {Cid}", cid);
+                        }
+                    }
+                }
+            }
+        }
+        catch (OperationCanceledException)
+        {
+
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error in ExpiredBroadcastCleanupLoop");
+        }
+
+        UpdateSyncshellBroadcasts();
     }
 
     public void RequestRedraw()
@@ -80,12 +315,15 @@ public class NameplateService : DisposableMediatorSubscriberBase
         return (left.ToReadOnlySeString().ToDalamudString(), right.ToReadOnlySeString().ToDalamudString());
     }
 
-
     protected override void Dispose(bool disposing)
     {
         base.Dispose(disposing);
+
+        _cleanupCts.Cancel();
+        _cleanupTask?.Wait(100);
+
         _namePlateGui.OnNamePlateUpdate -= OnNamePlateUpdate;
         _namePlateGui.RequestRedraw();
+        _nameplatehandler.Uninit();
     }
-}
-
+}