Add SearchByEntityId (#1935)

Dalamud/Game/ClientState/Objects/ObjectTable.cs

@@ -98,6 +98,23 @@ internal sealed partial class ObjectTable : IServiceType, IObjectTable
         return null;
     }
 
+    /// <inheritdoc/>
+    public IGameObject? SearchByEntityId(uint entityId)
+    {
+        _ = this.WarnMultithreadedUsage();
+
+        if (entityId is 0 or 0xE0000000)
+            return null;
+
+        foreach (var e in this.cachedObjectTable)
+        {
+            if (e.Update() is { } o && o.EntityId == entityId)
+                return o;
+        }
+
+        return null;
+    }
+
     /// <inheritdoc/>
     public unsafe nint GetObjectAddress(int index)
     {

Dalamud/Plugin/Services/IObjectTable.cs

@@ -33,6 +33,13 @@ public interface IObjectTable : IEnumerable<IGameObject>
     /// <returns>A game object or null.</returns>
     public IGameObject? SearchById(ulong gameObjectId);
 
+    /// <summary>
+    /// Search for a game object by the Entity ID.
+    /// </summary>
+    /// <param name="entityId">Entity ID to find.</param>
+    /// <returns>A game object or null.</returns>
+    public IGameObject? SearchByEntityId(uint entityId);
+
     /// <summary>
     /// Gets the address of the game object at the specified index of the object table.
     /// </summary>