Method OnFirstUpdate

GTE/Graphics/SkinController.cpp:112–140

}

void SkinController::OnFirstUpdate()
{
    // Get access to the vertex buffer positions to store the blended targets.
    Visual* visual = reinterpret_cast<Visual*>(mObject);
    VertexBuffer* vbuffer = visual->GetVertexBuffer().get();
    if (mNumVertices == static_cast<int32_t>(vbuffer->GetNumElements()))
    {
        // Get the position data.
        VertexFormat vformat = vbuffer->GetFormat();
        int32_t const numAttributes = vformat.GetNumAttributes();
        for (int32_t i = 0; i < numAttributes; ++i)
        {
            VASemantic semantic{};
            DFType type{};
            uint32_t unit{}, offset{};
            vformat.GetAttribute(i, semantic, type, unit, offset);
            if (semantic == VASemantic::POSITION &&
                (type == DF_R32G32B32_FLOAT || type == DF_R32G32B32A32_FLOAT))
            {
                mPosition = vbuffer->GetData() + offset;
                mStride = vformat.GetVertexSize();
                mCanUpdate = true;
                break;
            }
        }
    }

    mCanUpdate = (mPosition != nullptr);
}