Method LoadUserPreset

libraries/lib-vst/VSTEffectBase.cpp:298–354

}

OptionalMessage VSTEffectBase::LoadUserPreset(
   const RegistryPath & group, EffectSettings &settings) const
{
   wxString value;

   auto info = GetChunkInfo();

   GetConfig(*this, PluginSettings::Private, group, wxT("UniqueID"),
      info.pluginUniqueID, info.pluginUniqueID);
   GetConfig(*this, PluginSettings::Private, group, wxT("Version"),
      info.pluginVersion, info.pluginVersion);
   GetConfig(*this, PluginSettings::Private, group, wxT("Elements"),
      info.numElements, info.numElements);

   if ( ! IsCompatible(info) )
   {
      return {};
   }

   if (GetConfig(*this,
      PluginSettings::Private, group, wxT("Chunk"), value, wxEmptyString))
   {
      ArrayOf<char> buf{ value.length() / 4 * 3 };

      int len = Base64::Decode(value, buf.get());
      if (len)
      {
         callSetChunk(true, len, buf.get(), &info);
         if (!FetchSettings(GetSettings(settings)))
            return {};
      }

      return MakeMessageFS(
         VSTInstance::GetSettings(settings));
   }

   wxString parms;
   if (!GetConfig(*this,
      PluginSettings::Private, group, wxT("Parameters"), parms, wxEmptyString))
   {
      return {};
   }

   CommandParameters eap;
   if (!eap.SetParameters(parms))
   {
      return {};
   }

   const bool loadOK = LoadSettings(eap, settings) &&
      FetchSettings(GetSettings(settings));
   if (!loadOK)
      return {};

   return MakeMessageFS(
      VSTInstance::GetSettings(settings));
}