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What are the "editor symbols for debugging?"

Silly question, but what exactly are the "editor symbols for debugging"? I don't have all that much free space on my SSD (on which I'd rather install UE), and the editor symbols almost double the installation size. They're most likely used for debugging, but how? And why do they take up that much space? Are they important? Will I regret it if I don't install them now? Are they connected to the Symbol Debugger?

Thanks in advance!

Product Version: UE 4.10
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asked Mar 09 '16 at 02:33 PM in Using UE4

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Jonami90
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avatar image Weazly Apr 07 '16 at 07:58 PM

So do you really need it installed to use it cause i just downloaded it without it? Was that a bad idea or can i download it once i start it up?

avatar image VagabondOfHell Apr 07 '16 at 09:41 PM

If you will be coding in c++, they will come in handy. They allow you to walk through your code. If you code in blueprints, you don't really need them.

But you can download them whenever you would like. I downloaded the engine without them originally myself. From the Launcher, click the drop down arrow under the version you are using, click the checkmark beside Editor Symbols for Debugging, click apply, and they will install. You will have to restart the engine once finished.

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They are needed to be able to use Visual Studio breakpoints for C++ code you create

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answered Mar 16 '16 at 03:53 AM

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VagabondOfHell
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avatar image Jonami90 Mar 20 '16 at 11:01 AM

All right, thank you for the confirmation. I went and installed UE4 on my HDD, which had plenty of space left. I also installed the editor symbols, but it's nice to actually know what they're for. Thanks again!

avatar image huulong Mar 14 '17 at 09:41 PM

Note that you can always debug you own code, by attaching Visual Studio to your editor & game process or building the editor & game from VS directly, and adding breakpoints in your code. But the engine debugging symbols allow you to debug the the engine source code itself (you should also download the engine source code in the list of modules, but it is much smaller than the rest, and will be available at C:\Program Files\Epic Games\UE_4.XX\Engine\Source).

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