Search in
Sort by:

Question Status:

Search help

  • Simple searches use one or more words. Separate the words with spaces (cat dog) to search cat,dog or both. Separate the words with plus signs (cat +dog) to search for items that may contain cat but must contain dog.
  • You can further refine your search on the search results page, where you can search by keywords, author, topic. These can be combined with each other. Examples
    • cat dog --matches anything with cat,dog or both
    • cat +dog --searches for cat +dog where dog is a mandatory term
    • cat -dog -- searches for cat excluding any result containing dog
    • [cats] —will restrict your search to results with topic named "cats"
    • [cats] [dogs] —will restrict your search to results with both topics, "cats", and "dogs"

C++ Debug text and Debug lines in construction script

Hello, I've just started programming in C++ and can't figure out how to print debug text on screen and debug lines in world in my C++ construction script (OnConstruction). In blueprints, you can call "Print String" and "Draw Debug Line". Both of these work in the construction script while the game is not running.

The C++ equivalent for "Print String" appears to be "GEngine->AddOnScreenDebugMessage()", but this only works in runtime since it requires a world context. The alternative is UE_LOG, but this prints to the output log rather than the screen which for me is more user friendly.

Is there a way in C++ to get the exact same functionality as the blueprint's version of "Print String" and "Draw Debug Line" which works in the construction script?

Many thanks!

Product Version: UE 4.20
more ▼

asked Sep 24 '18 at 10:24 PM in C++ Programming

avatar image

1 1 2

(comments are locked)
10|2000 characters needed characters left
Viewable by all users

1 answer: sort voted first

Hey NfEWg1517,

You can look at the c++ implementation of most blueprint nodes through the api.

Here is a link to the API documentation on PrintString: UKismetSystemLibrary::PrintString

Also, while our new wiki is under construction, this page contains many useful references for how to create logs and print messages in c++


I hope you find this useful!

more ▼

answered Sep 25 '18 at 07:36 PM

avatar image

NicholasMont ♦♦ STAFF
592 3 4 6

(comments are locked)
10|2000 characters needed characters left
Viewable by all users
Your answer
toggle preview:

Up to 5 attachments (including images) can be used with a maximum of 5.2 MB each and 5.2 MB total.

Follow this question

Once you sign in you will be able to subscribe for any updates here

Answers to this question