/// <summary>
/// Update the current state of the mesh preview.
/// As AssetPreview API is asynchronous, we need to keep requesting the asset preview
/// until we have it. Once texture is loaded, current state of the instance moves
/// to Status.Loaded.
/// </summary>
internal void UpdatePreview()
{
switch (m_previewState)
{
case State.Loading:
if (ProBuilderBridge.ProBuilderExists() && ProBuilderInterface.IsProBuilderObject(m_Asset as GameObject))
{
m_PreviewTexture = GenerateProBuilderPreview();
}
else if (PolyEditorUtility.IsPolybrushObject(m_Asset as GameObject))
{
m_PreviewTexture = GeneratePreview();
}
else
{
m_PreviewTexture = AssetPreview.GetAssetPreview(m_Asset);
}
if (previewTexture != null)
{
SetState(State.Loaded);
}
break;
case State.Loaded:
// Failsafe as AssetPreview can return white textures while loading
// and erase that texture from memory once the right texture is available.
if (m_PreviewTexture == null)
{
SetState(State.Loading);
}
break;
}
}