Method load

Source/Engine/Content/Assets/MaterialInstance.cpp:209–249

}

Asset::LoadResult MaterialInstance::load()
{
    // Get main chunk
    auto chunk0 = GetChunk(0);
    if (chunk0 == nullptr || chunk0->IsMissing())
        return LoadResult::MissingDataChunk;
    MemoryReadStream headerStream(chunk0->Get(), chunk0->Size());

    // Load base material
    Guid baseMaterialId;
    headerStream.Read(baseMaterialId);
    auto baseMaterial = Content::LoadAsync<MaterialBase>(baseMaterialId);
    if (baseMaterial)
        baseMaterial->AddReference();

    // Load parameters
    if (Params.Load(&headerStream))
    {
        if (baseMaterial)
            baseMaterial->RemoveReference();
        LOG(Warning, "Cannot load material parameters.");
        return LoadResult::CannotLoadData;
    }

    if (baseMaterial && !baseMaterial->WaitForLoaded())
    {
        _baseMaterial = baseMaterial;
        OnBaseSet();
    }
    else
    {
        // Clear parameters if has no material loaded
        _baseMaterial = nullptr;
        Params.Dispose();
        ParamsChanged();
    }

    if (baseMaterial)
        baseMaterial->RemoveReference();
    return LoadResult::Ok;
}

void MaterialInstance::unload(bool isReloading)
{