October 2016
Intermediate to advanced
452 pages
9h 47m
English
Content preview from Unreal Engine 4 Scripting with C++ CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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UE4 – making an FString from FStrings and other variables
When coding in UE4, you often want to construct a string from variables. This is pretty easy using the FString::Printf or FString::Format functions.
Getting ready
For this, you should have an existing project into which you can enter some UE4 C++ code. Putting variables into a string is possible via printing. It may be counterintuitive to print into a string, but you can't just concatenate variables together, and hope that they will automatically convert to string, as in some languages such as JavaScript.
How to do it…
- Using
FString::Printf():- Consider the variables you'd like printed into your string.
- Open and take a look at a reference page of the
printfformat specifiers, such as http://en.cppreference.com/w/cpp/io/c/fprintf ...
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