Add way to get blackboard by type.

Source/Engine/AI/Behavior.h

@@ -58,6 +58,15 @@ public:
         return &_knowledge;
     }
     
+    /// <summary>
+    /// Gets the blackboard of a given type.
+    /// </summary>
+    template<typename T>
+    FORCE_INLINE T* GetBlackboard()
+    {
+        return _knowledge.GetBlackboard<T>();
+    }
+
     /// <summary>
     /// Gets the last behavior tree execution result.
     /// </summary>

Source/Engine/AI/BehaviorKnowledge.h

@@ -124,6 +124,19 @@ public:
         RemoveGoal(T::TypeInitializer);
     }
 
+    /// <summary>
+    /// Gets the blackboard of a given type.
+    /// </summary>
+    template<typename T>
+    FORCE_INLINE T* GetBlackboard()
+    {
+        auto* structure = Blackboard.AsStructure<T>();
+        if (structure)
+            return structure;
+
+        return Blackboard.AsObject(T::TypeInitializer);
+    }
+
 public:
     /// <summary>
     /// Compares two values and returns the comparision result.

Source/Engine/AI/BehaviorTree.cs

@@ -11,6 +11,18 @@ using FlaxEngine.GUI;
 
 namespace FlaxEngine
 {
+    partial class Behavior
+    {
+        /// <summary>
+        /// Gets the blackboard of the given type.
+        /// </summary>
+        /// <typeparam name="T"> The blackboard type.</typeparam>
+        public T GetBlackboard<T>()
+        {
+            return Knowledge.GetBlackboard<T>();
+        }
+    }
+
     partial class BehaviorKnowledge
     {
         /// <summary>
@@ -33,6 +45,16 @@ namespace FlaxEngine
         {
             RemoveGoal(typeof(T));
         }
+        
+        /// <summary>
+        /// Gets the blackboard of the given type.
+        /// </summary>
+        /// <typeparam name="T"> The blackboard type.</typeparam>
+        [Unmanaged]
+        public T GetBlackboard<T>()
+        {
+            return (T)Blackboard;
+        }
     }
 
     partial class BehaviorTreeRootNode