Unreal Engine 4 Scripting with C++ Cookbook

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

Introduction

Memory management is always one of the most important things to get right in your computer program to ensure stability and good, bug-free operation of your ...