/// <summary>
/// Reads a block of data from the file into the work buffer.
/// </summary>
protected int ReadBlock(DataBuffer file)
{
file.Mark();
WorkBuff.Reset();
int size = file.ReadInt32();
if ((uint)size > WorkBuff.Length)
{
throw new SerializationException(Strings.Error_Serialization_BadBlockSize, (uint)size);
}
WorkBuff.Write(file.ReadBytes(size));
file.Align4();
Debug.Assert(file.Offset == size + 4);
WorkBuff.Reset();
return(size);
}
/// <summary>
/// Writes a block of data from the work buffer into the file.
/// </summary>
protected int WriteBlock(DataBuffer file)
{
file.Mark();
byte[] data = WorkBuff.GetBytes();
int size = data.Length;
file.Write(size);
file.Write(data);
file.Align4();
Debug.Assert(file.Offset == size + 4);
CheckSum += file.GetBytesFromMark().Sum(x => x);
WorkBuff.Reset();
// game code has a bug where the size of the 'size' itself is not
// factored in to the total file size, so savefiles are always
// 4 * numBlocks bytes larger than told by SizeOfGameInBytes
return(size);
}
protected override void SaveAllData(DataBuffer file)
{
int dataSize = 0;
int size;
int numOuterBlocks;
WorkBuff.Reset();
CheckSum = 0;
SimpleVars.SizeOfGameInBytes = DataSize;
if (FileFormat.IsPS2)
{
if (!FileFormat.IsJapanese)
{
SimpleVars.SizeOfGameInBytes += 1;
}
WorkBuff.Write(SimpleVars, FileFormat);
SaveObject(Scripts);
SaveObject(PlayerPeds);
SaveObject(Garages);
SaveObject(Vehicles);
dataSize += WriteBlock(file);
SaveObject(Objects);
SaveObject(Paths);
SaveObject(Cranes);
dataSize += WriteBlock(file);
SaveObject(Pickups);
SaveObject(PhoneInfo);
SaveObject(RestartPoints);
SaveObject(RadarBlips);
SaveObject(Zones);
SaveObject(Gangs);
SaveObject(CarGenerators);
SaveObject(ParticleObjects);
SaveObject(AudioScriptObjects);
SaveObject(PlayerInfo);
SaveObject(Stats);
SaveObject(Streaming);
SaveObject(PedTypeInfo);
dataSize += WriteBlock(file);
numOuterBlocks = NumOuterBlocksPS2;
}
else
{
SimpleVars.SizeOfGameInBytes += 1;
WorkBuff.Write(SimpleVars, FileFormat);
SaveObject(Scripts); dataSize += WriteBlock(file);
SaveObject(PlayerPeds); dataSize += WriteBlock(file);
SaveObject(Garages); dataSize += WriteBlock(file);
SaveObject(Vehicles); dataSize += WriteBlock(file);
SaveObject(Objects); dataSize += WriteBlock(file);
SaveObject(Paths); dataSize += WriteBlock(file);
SaveObject(Cranes); dataSize += WriteBlock(file);
SaveObject(Pickups); dataSize += WriteBlock(file);
SaveObject(PhoneInfo); dataSize += WriteBlock(file);
SaveObject(RestartPoints); dataSize += WriteBlock(file);
SaveObject(RadarBlips); dataSize += WriteBlock(file);
SaveObject(Zones); dataSize += WriteBlock(file);
SaveObject(Gangs); dataSize += WriteBlock(file);
SaveObject(CarGenerators); dataSize += WriteBlock(file);
SaveObject(ParticleObjects); dataSize += WriteBlock(file);
SaveObject(AudioScriptObjects); dataSize += WriteBlock(file);
SaveObject(PlayerInfo); dataSize += WriteBlock(file);
SaveObject(Stats); dataSize += WriteBlock(file);
SaveObject(Streaming); dataSize += WriteBlock(file);
SaveObject(PedTypeInfo); dataSize += WriteBlock(file);
numOuterBlocks = NumOuterBlocks;
}
int numPaddingBlocks = 0;
for (int i = 0; i < MaxNumPaddingBlocks; i++)
{
size = (SimpleVars.SizeOfGameInBytes - dataSize - 1) & 0x7FFFFFFC;
if (size > GetBufferSize())
{
size = GetBufferSize();
}
if (size > 4)
{
WorkBuff.Reset();
WorkBuff.Pad(size);
dataSize += WriteBlock(file);
numPaddingBlocks++;
}
}
file.Write(CheckSum);
if (FileFormat.IsXbox)
{
byte[] data = file.GetBytes();
byte[] sig = XboxHelper.CalculateGameSaveSignature(XboxTitleKey, data, 0, data.Length - 4);
file.Write(sig);
}
// Size checks
int expectedDataSize = DataSize;
if (!(FileFormat.IsPS2 && FileFormat.IsJapanese))
{
expectedDataSize += 1;
}
expectedDataSize = (expectedDataSize - 1) & 0x7FFFFFFC;
int expectedFileSize = expectedDataSize + ((numOuterBlocks + numPaddingBlocks) * sizeof(int)) + sizeof(int);
if (FileFormat.IsXbox)
{
expectedFileSize += XboxHelper.SignatureLength;
}
Debug.Assert(expectedDataSize == dataSize);
Debug.Assert(expectedFileSize == file.Length);
Debug.WriteLine("Save successful!");
}
protected override void SaveAllData(DataBuffer file)
{
int dataSize = 0;
int size;
WorkBuff.Reset();
CheckSum = 0;
SimpleVars.SizeOfGameInBytes = DataSize + 1;
WorkBuff.Write(SimpleVars, FileFormat);
SaveObject(Scripts); dataSize += WriteBlock(file);
SaveObject(PedPool); dataSize += WriteBlock(file);
SaveObject(Garages); dataSize += WriteBlock(file);
SaveObject(GameLogic); dataSize += WriteBlock(file);
SaveObject(Vehicles); dataSize += WriteBlock(file);
SaveObject(Objects); dataSize += WriteBlock(file);
SaveObject(Paths); dataSize += WriteBlock(file);
SaveObject(Cranes); dataSize += WriteBlock(file);
SaveObject(Pickups); dataSize += WriteBlock(file);
SaveObject(PhoneInfo); dataSize += WriteBlock(file);
SaveObject(RestartPoints); dataSize += WriteBlock(file);
SaveObject(RadarBlips); dataSize += WriteBlock(file);
SaveObject(Zones); dataSize += WriteBlock(file);
SaveObject(Gangs); dataSize += WriteBlock(file);
SaveObject(CarGenerators); dataSize += WriteBlock(file);
SaveObject(ParticleObjects); dataSize += WriteBlock(file);
SaveObject(AudioScriptObjects); dataSize += WriteBlock(file);
SaveObject(ScriptPaths); dataSize += WriteBlock(file);
SaveObject(PlayerInfo); dataSize += WriteBlock(file);
SaveObject(Stats); dataSize += WriteBlock(file);
SaveObject(SetPieces); dataSize += WriteBlock(file);
SaveObject(Streaming); dataSize += WriteBlock(file);
SaveObject(PedTypeInfo); dataSize += WriteBlock(file);
int numPaddingBlocks = 0;
for (int i = 0; i < MaxNumPaddingBlocks; i++)
{
size = (SimpleVars.SizeOfGameInBytes - dataSize - 1) & 0x7FFFFFFC;
if (size > GetBufferSize())
{
size = GetBufferSize();
}
if (size > 4)
{
WorkBuff.Reset();
WorkBuff.Pad(size);
dataSize += WriteBlock(file);
numPaddingBlocks++;
}
}
file.Write(CheckSum);
// Size checks
int expectedDataSize = DataSize;
int expectedFileSize = expectedDataSize + ((NumOuterBlocks + numPaddingBlocks) * sizeof(int)) + sizeof(int);
Debug.Assert(expectedDataSize == dataSize);
Debug.Assert(expectedFileSize == file.Length);
Debug.WriteLine("Save successful!");
}
