Unreal Engine 4 Scripting with C++ Cookbook

Creating a respawning pickup for an First Person Shooter

This recipe shows you how to create a placeable pickup that will respawn after a certain amount of time, suitable as an ammo or other pickup for an FPS.

How to do it...

1. Create a new Actor class called Pickup.
2. Declare the following delegate type in Pickup.h:

   DECLARE_DELEGATE(FPickedupEventSignature)

3. Add the following properties to the class header:

   virtual void NotifyActorBeginOverlap(AActor* OtherActor) override;
   UPROPERTY()
   UStaticMeshComponent* MyMesh;
   
   UPROPERTY()
   URotatingMovementComponent* RotatingComponent;
   
   FPickedupEventSignatureOnPickedUp;

4. Add the following code to the constructor:

   MyMesh = CreateDefaultSubobject<UStaticMeshComponent>("MyMesh"); RotatingComponent = CreateDefaultSubobject<URotatingMovementComponent>("RotatingComponent"); ...