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How to include private header files of other Modules into my Module?


I try to create a Plugin with an editor module for a component Visualizer. I have trouble in understanding and setting up the MyToolEditor.Build.cs I want to extent an already existing Component Visualizer but this Visualizer is declared in the private Folder of the ComponentVisualizers Module.

My Question is, how could I access this?
How can I include private header files of other Modules?

I tried something like this, but with no luck

     new string[] {
Product Version: UE 4.7
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asked Jul 16 '15 at 05:26 AM in C++ Programming

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I've tried to do that in many ways without success, but finally nailed it!

This works for engine modules:

 using System.IO; // Note this import, it's needed below
 namespace UnrealBuildTool.Rules
     public class Foo : ModuleRules
         public Foo(TargetInfo Target)
             // ...
             // Get the engine path. Ends with "Engine/"
             string engine_path = Path.GetFullPath(BuildConfiguration.RelativeEnginePath);
             // Now get the base of UE4's modules dir (could also be Developer, Editor, ThirdParty)
             string srcrt_path = engine_path + "Source/Runtime/";
             // now you can include the module's private paths!
             // as an example, you can expose UE4's abstraction of D3D11, located in Source/Runtime/Windows/D3D11RHI
             PublicIncludePaths.Add(srcrt_path + "Windows/D3D11RHI/Private");
             PublicIncludePaths.Add(srcrt_path + "Windows/D3D11RHI/Private/Windows");

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answered Oct 08 '15 at 06:21 PM

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avatar image ndeakin Nov 11 '15 at 03:02 AM

Thanks for posting your solution! Helped me solve the same issue today!

avatar image grisevg Mar 24 '16 at 05:48 PM

You rock! Thanks!

avatar image StealthOne Aug 09 '16 at 11:53 PM

This was helpful! Thanks!

avatar image Antonio41508 Feb 18 '17 at 09:55 AM

Where I have to write this?

avatar image rjohannessen Jun 15 '18 at 04:54 PM

Your *.Build.cs file for the project.

avatar image Phyronnaz Sep 24 '17 at 12:47 AM

Thanks! :)

avatar image hausfrau87 Mar 13 '18 at 02:06 PM

since 4.18:

string engine_path = Path.GetFullPath(Target.RelativeEnginePath);

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