World::MemoryUsage returns approximate value of component pool memory usage

include/Engine/Core/ComponentPool.h

@@ -65,6 +65,8 @@ public:
 	iterator end() const;
     size_t size() const;
 
+    std::size_t MemoryUsage() const;
+
 	//Dumps information about what the pool memory looks like right now 
 	//into an output stream (e.g. file/std::cout, anything that has an operator<<)
 	//Interpret the data in the memory as InterpretType.

include/Engine/Core/MemoryPool.h

@@ -194,6 +194,11 @@ public:
 		return m_ExtraMemory.size();
 	}
 
+    std::size_t MemoryUsage() const
+    {
+        return size() * m_Stride;
+    }
+
 	//Dumps information about what the pool memory looks like right now 
 	//into an output stream (e.g. file/std::cout, anything that has an operator<<)
 	//Interpret the data in the memory as InterpretType.

include/Engine/Core/World.h

@@ -50,6 +50,9 @@ public:
     // Get the textual name of an entity
     std::string GetName(EntityID entity) const;
 
+    // Get an approximate number for component pool memory usage
+    std::size_t MemoryUsage() const;
+
 private:
     EventBroker* m_EventBroker = nullptr;
     EntityID m_CurrentEntityID = 0;