private IEnumerator ReadSlotPreviewInCoroutine(SharedDataBytesStorage.MetaData metaData, Int32 slotID, Stream stream, BinaryReader reader, ISharedDataEncryption encryption, ISharedDataStorage.OnLoadSlotFinish onFinishDelegate)
{
List <SharedDataPreviewSlot> list = new List <SharedDataPreviewSlot>();
metaData.Read(stream, reader, encryption);
stream.Seek((Int64)(320 - (Int32)stream.Position), SeekOrigin.Current);
Int32 seekTo = slotID * 1024 * 15;
ISharedDataLog.Log("Seek to: " + seekTo);
stream.Seek((Int64)seekTo, SeekOrigin.Current);
Int32 previewCipherSize = encryption.GetCipherSize(965);
Int32 i = 0;
while (i < 15)
{
yield return(onFinishDelegate);
Int32 prevPosition = (Int32)stream.Position;
Int32 seekSize = 0;
Byte[] cipherText = new Byte[previewCipherSize];
reader.Read(cipherText, 0, (Int32)cipherText.Length);
Byte[] plainText = null;
try
{
plainText = encryption.Decrypt(cipherText);
}
catch (Exception ex2)
{
Exception ex = ex2;
list.Add(new SharedDataPreviewSlot
{
IsPreviewCorrupted = true
});
ISharedDataLog.LogError(ex);
ISharedDataSerializer.LastErrno = DataSerializerErrorCode.DataCorruption;
seekSize = 1024 - ((Int32)stream.Position - prevPosition);
stream.Seek((Int64)seekSize, SeekOrigin.Current);
goto IL_597;
}
goto IL_1CC;
IL_597:
i++;
continue;
IL_1CC:
Boolean isValidPreview = false;
SharedDataPreviewSlot preview = new SharedDataPreviewSlot();
using (MemoryStream memStram = new MemoryStream(plainText))
{
using (BinaryReader memReader = new BinaryReader(memStram))
{
Char[] chs = memReader.ReadChars(4);
if (chs[0] == 'N' && chs[1] == 'O' && chs[2] == 'N' && chs[3] == 'E')
{
list.Add((SharedDataPreviewSlot)null);
seekSize = 1024 - ((Int32)stream.Position - prevPosition);
stream.Seek((Int64)seekSize, SeekOrigin.Current);
goto IL_597;
}
if (chs[0] != 'P' || chs[1] != 'R' || chs[2] != 'E' || chs[3] != 'V')
{
list.Add(new SharedDataPreviewSlot
{
IsPreviewCorrupted = true
});
ISharedDataLog.LogError("Error! seek to NOT preview position");
seekSize = 1024 - ((Int32)stream.Position - prevPosition);
stream.Seek((Int64)seekSize, SeekOrigin.Current);
goto IL_597;
}
preview.CharacterInfoList = new List <SharedDataPreviewCharacterInfo>();
preview.HasData = memReader.ReadBoolean();
preview.Gil = memReader.ReadInt64();
preview.PlayDuration = memReader.ReadUInt64();
preview.win_type = memReader.ReadUInt64();
preview.Location = Encoding.UTF8.GetString(memReader.ReadBytes(128), 0, 128);
preview.Location = preview.Location.Trim(new Char[1]);
if (preview.HasData)
{
isValidPreview = true;
}
for (Int32 j = 0; j < 4; j++)
{
SharedDataPreviewCharacterInfo cInfo = new SharedDataPreviewCharacterInfo();
cInfo.SerialID = memReader.ReadInt32();
cInfo.Level = memReader.ReadInt32();
cInfo.Name = Encoding.UTF8.GetString(memReader.ReadBytes(128), 0, 128);
cInfo.Name = cInfo.Name.Trim(new Char[1]);
if (cInfo.SerialID == -1)
{
preview.CharacterInfoList.Add((SharedDataPreviewCharacterInfo)null);
}
else
{
preview.CharacterInfoList.Add(cInfo);
}
}
preview.Timestamp = memReader.ReadDouble();
}
}
if (isValidPreview)
{
list.Add(preview);
}
else
{
list.Add((SharedDataPreviewSlot)null);
}
seekSize = 1024 - ((Int32)stream.Position - prevPosition);
stream.Seek((Int64)seekSize, SeekOrigin.Current);
goto IL_597;
}
onFinishDelegate(slotID, list);
yield break;
}
public void WriteSlotPreview(SharedDataPreviewSlot previewSlot, SharedDataBytesStorage.MetaData metaData, Int32 saveID, Int32 slotID, Stream stream, BinaryReader reader, BinaryWriter writer, ISharedDataEncryption encryption, ISharedDataStorage.OnSaveSlotFinish onFinishDelegate)
{
stream.Seek((Int64)(320 - (Int32)stream.Position), SeekOrigin.Current);
Int32 num = slotID * 1024 * 15 + saveID * 1024;
ISharedDataLog.Log("Seek to: " + num);
stream.Seek((Int64)num, SeekOrigin.Current);
Int32 num2 = (Int32)stream.Position;
Int32 cipherSize = encryption.GetCipherSize(965);
Byte[] buffer = new Byte[cipherSize];
Byte[] array = null;
using (MemoryStream memoryStream = new MemoryStream())
{
using (BinaryWriter binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.Write('P');
binaryWriter.Write('R');
binaryWriter.Write('E');
binaryWriter.Write('V');
previewSlot.HasData = true;
binaryWriter.Write(previewSlot.HasData);
binaryWriter.Write(previewSlot.Gil);
binaryWriter.Write(previewSlot.PlayDuration);
binaryWriter.Write(previewSlot.win_type);
Byte[] array2 = new Byte[128];
Byte[] bytes = Encoding.UTF8.GetBytes(previewSlot.Location);
Buffer.BlockCopy(bytes, 0, array2, 0, (Int32)bytes.Length);
binaryWriter.Write(array2, 0, (Int32)array2.Length);
Byte[] array3 = new Byte[136];
for (Int32 i = 0; i < 4; i++)
{
if (previewSlot.CharacterInfoList[i] == null)
{
Int32 value = -1;
Int32 value2 = -1;
binaryWriter.Write(value);
binaryWriter.Write(value2);
Byte[] array4 = new Byte[128];
binaryWriter.Write(array4, 0, (Int32)array4.Length);
}
else
{
binaryWriter.Write(previewSlot.CharacterInfoList[i].SerialID);
binaryWriter.Write(previewSlot.CharacterInfoList[i].Level);
Byte[] array5 = new Byte[128];
Byte[] bytes2 = Encoding.UTF8.GetBytes(previewSlot.CharacterInfoList[i].Name);
Buffer.BlockCopy(bytes2, 0, array5, 0, (Int32)bytes2.Length);
binaryWriter.Write(array5, 0, (Int32)array5.Length);
}
}
Double totalSeconds = (DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc)).TotalSeconds;
previewSlot.Timestamp = totalSeconds;
binaryWriter.Write(previewSlot.Timestamp);
Byte[] array6 = new Byte[256];
binaryWriter.Write(array6, 0, (Int32)array6.Length);
array = memoryStream.ToArray();
if ((Int32)array.Length != 965)
{
ISharedDataLog.LogError("previewPlainText has incorrect size: " + (Int32)array.Length);
}
}
}
buffer = encryption.Encrypt(array);
stream.Seek((Int64)num2, SeekOrigin.Begin);
writer.Write(buffer, 0, cipherSize);
onFinishDelegate(slotID, saveID, previewSlot);
}