Initial

MareSynchronos/Interop/BlockedCharacterHandler.cs

@@ -0,0 +1,42 @@
+using Dalamud.Plugin.Services;
+using FFXIVClientStructs.FFXIV.Client.Game.Character;
+using FFXIVClientStructs.FFXIV.Client.UI.Info;
+using Microsoft.Extensions.Logging;
+
+namespace MareSynchronos.Interop;
+
+public unsafe class BlockedCharacterHandler
+{
+    private sealed record CharaData(ulong AccId, ulong ContentId);
+    private readonly Dictionary<CharaData, bool> _blockedCharacterCache = new();
+
+    private readonly ILogger<BlockedCharacterHandler> _logger;
+
+    public BlockedCharacterHandler(ILogger<BlockedCharacterHandler> logger, IGameInteropProvider gameInteropProvider)
+    {
+        gameInteropProvider.InitializeFromAttributes(this);
+        _logger = logger;
+    }
+
+    private static CharaData GetIdsFromPlayerPointer(nint ptr)
+    {
+        if (ptr == nint.Zero) return new(0, 0);
+        var castChar = ((BattleChara*)ptr);
+        return new(castChar->Character.AccountId, castChar->Character.ContentId);
+    }
+
+    public bool IsCharacterBlocked(nint ptr, out bool firstTime)
+    {
+        firstTime = false;
+        var combined = GetIdsFromPlayerPointer(ptr);
+        if (_blockedCharacterCache.TryGetValue(combined, out var isBlocked))
+            return isBlocked;
+
+        firstTime = true;
+        var blockStatus = InfoProxyBlacklist.Instance()->GetBlockResultType(combined.AccId, combined.ContentId);
+        _logger.LogTrace("CharaPtr {ptr} is BlockStatus: {status}", ptr, blockStatus);
+        if ((int)blockStatus == 0)
+            return false;
+        return _blockedCharacterCache[combined] = blockStatus != InfoProxyBlacklist.BlockResultType.NotBlocked;
+    }
+}