Chapter 3. Memory Management and Smart Pointers

In this chapter, we are going to cover the following topics:

• Unmanaged memory – using malloc()/free()
• Unmanaged memory – using new/delete
• Managed memory – using NewObject< > and ConstructObject< >
• Managed memory – deallocating memory
• Managed memory – smart pointers (TSharedPtr, TWeakPtr, TAutoPtr) to track an object
• Using TScopedPointer to track an object
• Unreal's garbage collection system and UPROPERTY()
• Forcing garbage collection
• Breakpoints and stepping through code
• Finding bugs and using call stacks
• Using the Profiler to identify hot spots