private AppViewModel(AppViewModelParameters parameters)
{
if (null == parameters)
{
throw new ArgumentNullException(nameof(parameters));
}
ProgramTitle = parameters.ProgramTitle;
FullVersion = parameters.FullVersion;
ViewerConfig = parameters.ViewerConfig ?? throw new ArgumentNullException(nameof(parameters.ViewerConfig));
DoOnUIThread = parameters.DoOnUIThread ?? throw new ArgumentNullException(nameof(parameters.DoOnUIThread));
TextToClipboard = parameters.TextToClipboard ?? throw new ArgumentNullException(nameof(parameters.TextToClipboard));
EngineWrapper = parameters.EngineWrapper;
InternalGameEngineConfig = parameters.InternalGameEngineConfig;
try
{
EngineWrapper?.StartEngine();
}
catch (Exception ex)
{
EngineWrapper?.StopEngine();
EngineWrapper = null;
EngineExceptionOnStart = ex;
}
if (null == EngineWrapper)
{
// No engine started, use an internal one
EngineWrapper = new InternalEngineWrapper($"{ProgramTitle} v{FullVersion}", InternalGameEngineConfig);
EngineWrapper.StartEngine();
}
// Now that the engine is started, load user options from viewer config
InternalGameEngineConfig.CopyOptionsFrom(ViewerConfig.InternalGameEngineConfig);
}