Unreal Engine 4 Scripting with C++ Cookbook

Passing payload data with a delegate binding

With only minimal changes, parameters can be passed through to a delegate at creation time. This recipe shows you how to specify data to be always passed as parameters to a delegate invocation. The data is calculated when the binding is created, and doesn't change from that point forward.

Getting ready

Be sure you've followed the previous recipe. We will be extending the functionality of the previous recipe to pass additional creation-time parameters to our bound delegate function.

How to do it...

1. Inside your AParamDelegateListener::BeginPlay function, change the call to BindUObject to the following:

   MyGameMode->MyParameterDelegate.BindUObject(this, &AParamDelegateListener::SetLightColor, false);

2. Change the ...