public SaveFileCharacterViewModelProvider(string savePath)
{
InstanceCache = new List <CharacterViewModel>();
SaveTimeouTimer = new Timer(FlushSave, null, Timeout.Infinite, Timeout.Infinite);
SavePath = savePath;
var fileBytes = File.ReadAllBytes(savePath);
//Header
XDocument scanDocument = Core.LoadHeaderDataXDocument();
Header = new DataBlockWrapperBuffer(fileBytes, scanDocument);
HeaderBytes = new byte[Header.DataBytes.Length];
Buffer.BlockCopy(Header.DataBytes, 0, HeaderBytes, 0, HeaderBytes.Length);
//Characters
int lastChar;
int numStudents = Header.GetAttribute <int>("HEADER_BOYS") + Header.GetAttribute <int>("HEADER_GIRLS");
Characters = ReadCharacters(fileBytes, numStudents, out lastChar);
int footerSize = fileBytes.Length - lastChar;
FooterBytes = new byte[footerSize];
Buffer.BlockCopy(fileBytes, lastChar, FooterBytes, 0, footerSize);
//Player Seat Hax
var pSeat = new byte[4];
Buffer.BlockCopy(FooterBytes, FooterBytes.Length - 4, pSeat, 0, 4);
PlayerSeat = new DataBlockWrapper(pSeat, 0, new SeatDataBlock(), block => Header.HasChanges = true);
Header.SaveChanges = () =>
{
if (!Header.HasChanges)
{
return(false);
}
Buffer.BlockCopy(Header.DataBytes, 0, HeaderBytes, 0, HeaderBytes.Length);
Buffer.BlockCopy(PlayerSeat.DataSource, 0, FooterBytes, FooterBytes.Length - 4, 4);
StartSaveTimeout();
Header.HasChanges = false;
return(true);
};
Header.Reload = () =>
{
Buffer.BlockCopy(HeaderBytes, 0, Header.DataBytes, 0, Header.DataBytes.Length);
Buffer.BlockCopy(FooterBytes, FooterBytes.Length - 4, pSeat, 0, 4);
foreach (DataBlockWrapper block in Header.Attributes.Values)
{
block.DataSource = Header.DataBytes;
block.RaisePropertyChanged(String.Empty);
}
PlayerSeat.RaisePropertyChanged(String.Empty);
Header.HasChanges = false;
};
}
public void Dispose()
{
SaveTimeouTimer.Dispose();
InstanceCache.ForEach
(model =>
{
DataBlockWrapperBuffer wb = model.ExtraData["PLAY_DATA"] as DataBlockWrapperBuffer;
wb.Dispose();
model.Dispose();
});
//throw new NotImplementedException();
}
private CharacterViewModel CreateViewModel(CharacterReference reference)
{
XDocument scanDocument = Core.LoadPlayDataXDocument();
CharacterFile cf = CharacterFile.Load(reference.CharBytes);
CharacterViewModel vm = new CharacterViewModel(cf, reference);
DataBlockWrapperBuffer playData = new DataBlockWrapperBuffer(reference.PlayBytes, scanDocument);
vm.ExtraData.Add("PLAY_SEAT", reference.Seat);
vm.ExtraData.Add("PLAY_DATA", playData);
vm.SaveCommand = new RelayCommand(() => SaveViewModel(vm), () => SaveViewModelCanExecute(vm));
vm.ReloadCommand = new RelayCommand(() => ReloadViewModel(vm));
InstanceCache.Add(vm);
return(vm);
}
private void SaveViewModel(CharacterViewModel vm)
{
CharacterReference @ref = (CharacterReference)vm.Metadata;
CharacterFile cf = vm.Character;
DataBlockWrapperBuffer pd = (DataBlockWrapperBuffer)vm.ExtraData["PLAY_DATA"];
if (cf.HasChanges)
{
//[Var]Card Bytes + [3011]Data Bytes + [4]Thumb Lenght + [Var]Thumb Bytes + [4] Data Lenght Mark
int newCharBytesLen = cf.CardBytes.Length + cf.DataBytes.Length + cf.ThumbBytes.Length + 8;
var newCharData = new byte[newCharBytesLen];
MemoryStream ms = new MemoryStream(newCharData);
// Card Bytes
ms.Write(cf.CardBytes, 0, cf.CardBytes.Length);
// Data Bytes
ms.Write(cf.DataBytes, 0, cf.DataBytes.Length);
// Thumbnail Lenght
ms.Write(BitConverter.GetBytes(cf.ThumbBytes.Length), 0, 4);
// Thumbnail Lenght
ms.Write(cf.ThumbBytes, 0, cf.ThumbBytes.Length);
// Identifier Mark
int lastBytes = cf.DataBytes.Length + cf.ThumbBytes.Length + 8;
ms.Write(BitConverter.GetBytes(lastBytes), 0, 4);
ms.Flush();
@ref.CharBytes = newCharData;
cf.CardChanges = cf.DataChanges = cf.ThumbChanges = false;
}
if (pd.HasChanges)
{
var newPlayBytes = new byte[pd.DataBytes.Length];
Buffer.BlockCopy(pd.DataBytes, 0, newPlayBytes, 0, newPlayBytes.Length);
@ref.PlayBytes = newPlayBytes;
pd.HasChanges = false;
}
@ref.Female = (byte)vm.Profile.Gender.Value == 1;
SaveTimeouTimer.Change(1000, Timeout.Infinite);
}
private bool SaveViewModelCanExecute(CharacterViewModel vm)
{
DataBlockWrapperBuffer pd = (DataBlockWrapperBuffer)vm.ExtraData["PLAY_DATA"];
return(pd.HasChanges || !vm.IsDisposed && vm.Character.HasChanges);
}