public void Create(string filename, SaveStateConfig config)
{
// the old method of text savestate save is now gone.
// a text savestate is just like a binary savestate, but with a different core lump
using var bs = new ZipStateSaver(filename, config.CompressionLevelNormal);
bs.PutVersionLumps();
using (new SimpleTime("Save Core"))
{
if (config.Type == SaveStateType.Text)
{
bs.PutLump(BinaryStateLump.CorestateText, tw => _statable.SaveStateText(tw));
}
else
{
bs.PutLump(BinaryStateLump.Corestate, bw => _statable.SaveStateBinary(bw));
}
}
if (config.SaveScreenshot && _videoProvider != null)
{
var buff = _videoProvider.GetVideoBuffer();
if (buff.Length == 1)
{
// is a hacky opengl texture ID. can't handle this now!
// need to discuss options
// 1. cores must be able to provide a pixels VideoProvider in addition to a texture ID, on command (not very hard overall but interface changing and work per core)
// 2. SavestateManager must be setup with a mechanism for resolving texture IDs (even less work, but sloppy)
// There are additional problems with AVWriting. They depend on VideoProvider providing pixels.
}
else
{
int outWidth = _videoProvider.BufferWidth;
int outHeight = _videoProvider.BufferHeight;
// if buffer is too big, scale down screenshot
if (!config.NoLowResLargeScreenshots && buff.Length >= config.BigScreenshotSize)
{
outWidth /= 2;
outHeight /= 2;
}
using (new SimpleTime("Save Framebuffer"))
{
bs.PutLump(BinaryStateLump.Framebuffer, s => _quickBmpFile.Save(_videoProvider, s, outWidth, outHeight));
}
}
}
if (_movieSession.Movie.IsActive())
{
bs.PutLump(BinaryStateLump.Input,
delegate(TextWriter tw)
{
// this never should have been a core's responsibility
tw.WriteLine("Frame {0}", _emulator.Frame);
_movieSession.HandleSaveState(tw);
});
}
if (_userBag.Any())
{
bs.PutLump(BinaryStateLump.UserData,
delegate(TextWriter tw)
{
var data = ConfigService.SaveWithType(_userBag);
tw.WriteLine(data);
});
}
if (_movieSession.Movie.IsActive() && _movieSession.Movie is ITasMovie)
{
bs.PutLump(BinaryStateLump.LagLog,
delegate(TextWriter tw)
{
((ITasMovie)_movieSession.Movie).LagLog.Save(tw);
});
}
}