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_Implementation and _Validate (4.9.2)

Are the _Implementation and _Validate definitions required in the header file when using server functions? I honestly can't tell if there is a different using them or not using them, when it it comes to replicating.

The forums and other answers have a handful of answers for previous versions of the engine with some included information regarded GENERATED_BODY( ) and GENERATED_UCLASS_BODY( ) but I am still a bit confused on the whole thing.

Thanks.

Product Version: UE 4.9
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asked Nov 04 '15 at 09:20 AM in C++ Programming

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Vawx
446 13 11 25

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1 answer: sort voted first

I have found out that _Implementation and _Validate are required in the .h file, using using 4.9+ as GENERATED_UCLASS_BODY( ) is depreciated.

As an example, this would be a server function in a .h file:

 UFUNCTION( Server, Reliable, WithValidation )
 void ServerMyFunction( );
 void ServerMyFunction_Implementation( );
 bool ServerMyFunction_Validate( );

And this would be the .cpp:

 void AMyClass::ServerMyFunction_Implementation( )
 {
     // Code that would be run on the server after validation
 }
 
 bool ServerMyFunction_Validate( )
 {
  return true;
 }

And when using this server function, call:

 ServerMyFunction( );

or,

 AMyClassReference->ServerMyFunction( );

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answered Nov 06 '15 at 12:21 AM

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Vawx
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