Method SetBaseMaterial

Source/Engine/Content/Assets/MaterialInstance.cpp:266–307

}

void MaterialInstance::SetBaseMaterial(MaterialBase* baseMaterial)
{
    if (baseMaterial != nullptr && baseMaterial->WaitForLoaded())
    {
        LOG(Warning, "Cannot set base material of {0} to {1} because it failed to load.", ToString(), baseMaterial->ToString());
        return;
    }

    ScopeLock lock(Locker);

    if (baseMaterial == _baseMaterial)
        return;

#if !BUILD_RELEASE
    // Prevent recursion
    auto mi = Cast<MaterialInstance>(baseMaterial);
    while (mi)
    {
        if (mi == this)
        {
            LOG(Error, "Cannot set base material of {0} to {1} because it's recursive.", ToString(), baseMaterial->ToString());
            return;
        }
        mi = Cast<MaterialInstance>(mi->GetBaseMaterial());
    }
#endif

    // Release previous parameters
    Params.Dispose();

    // Set new value
    if (_baseMaterial)
    {
        OnBaseUnset();
    }
    _baseMaterial = baseMaterial;
    if (baseMaterial)
    {
        _baseMaterial = baseMaterial;
        OnBaseSet();
    }
}

void MaterialInstance::ResetParameters()
{