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Crash on material reference?

I'm trying to swap out a static meshes material at runtime like so...

 if (Icons[i] != NULL && Objects[i] != NULL)
         {
             if (ObjectMaterialsDyn[i] != NULL && Objects[i]->StaticMeshComponent->GetMaterial(0) != NULL)
             {
                 if (bHighlighted)
                 {
                     if (Objects[i]->StaticMeshComponent->GetMaterial(0) != ObjectMaterialsTransDyn[i])
                         Objects[i]->StaticMeshComponent->SetMaterial(0,ObjectMaterialsTransDyn[i]);
                 }
                 else
                 {
                     if (Objects[i]->StaticMeshComponent->GetMaterial(0) != ObjectMaterialsDyn[i])
                          Objects[i]->StaticMeshComponent->SetMaterial(0, ObjectMaterialsDyn[i]);
                 }
             }
 }

It seems to work fine yet every now and again the game will crash on either SetMaterial lines and I cant seem to figure out why any suggestions?

Product Version: Not Selected
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asked May 29 '14 at 03:29 PM in C++ Programming

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Pots3
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1 answer: sort voted first

UPROPERTY()

is this array

ObjectMaterialsDyn

UPROPERTY() ?

If not perhaps the materials / material instances are being garbage collected, leading to the crash :)

Rama

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answered May 29 '14 at 05:21 PM

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Rama
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avatar image Pots3 May 30 '14 at 09:12 AM

Yep that seems to have sorted the issue!

Thank you Rama!

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