void Awake()
{
commandList = new CommandsList();
// ChecksumRecorder checksumRecorder = new ChecksumRecorder (new GameStateChecksumProvider (_gameStateBuilder, this));
// TODO: set replay....
gameFixedUpdate = new LockstepFixedUpdate(new CommandsListLockstepLogic(commandList, this));
gameFixedUpdate.GameFramesPerLockstep = gameFramesPerLockstep;
gameFixedUpdate.FixedStepTime = fixedTimestepMilliseconds / 1000.0f;
gameFixedUpdate.SetGameLogic(this);
GameFixedUpdateDebug updateDebug = gameObject.AddComponent <GameFixedUpdateDebug> ();
updateDebug.SetGameFixedUpdate(gameFixedUpdate);
_checksumProvider = new GameStateChecksumProvider(this);
ChecksumRecorderDebug checksumRecorderDebug = gameObject.AddComponent <ChecksumRecorderDebug> ();
checksumRecorderDebug.checksumRecorder = new ChecksumRecorder(_checksumProvider);
_commandSender = new CommandQueueBase(gameFixedUpdate, this);
ResetGameState();
_replay = new MyCustomReplay(_checksumProvider, this);
_replay.SaveInitialGameState(GetGameState());
_replayController = new ReplayController(gameFixedUpdate, _checksumProvider, recorderView, commandList, _replay);
_replayController.GameFramesPerChecksumCheck = gameFramesPerChecksumCheck;
StartRecording();
// debug...
Application.targetFrameRate = 60;
// commandList.AddCommand (new Command () {
// CreationFrame = 0,
// ProcessFrame = gameFixedUpdate.GetFirstLockstepFrame()
// });
}
public ReplayController(GameFixedUpdate gameFixedUpdate, ChecksumProvider checksumProvider, ReplayView recorderView, Commands commands, Replay replay)
{
_recording = true;
_checksumProvider = checksumProvider;
_replay = replay;
// _replay = new ReplayBase (checksumProvider);
_gameFixedUpdate = gameFixedUpdate;
_recorderView = recorderView;
_commands = commands;
if (_recorderView != null)
{
_recorderView.SetReplay(this);
}
_replayRecorder = new ReplayRecorder(_replay, _commands);
_replayPlayer = new ReplayPlayer(_replay, _commands);
}
public IEnumerable <HashBlock> ProcessStream(Stream inputStream)
{
if (inputStream == null)
{
throw new ArgumentNullException("inputStream");
}
int read;
var buffer = new byte[_blockSize];
long offset = 0;
while ((read = inputStream.Read(buffer, 0, _blockSize)) > 0)
{
ChecksumProvider.ProcessBlock(buffer, 0, read);
yield return(new HashBlock
{
Hash = HashAlgorithm.ComputeHash(buffer, 0, read),
Checksum = ChecksumProvider.Value,
Offset = (uint)offset,
Length = read
});
offset += read;
}
}
public MyCustomReplay(ChecksumProvider checksumProvider, GameStateProvider gameStateProvider) : base(checksumProvider)
{
_gameStateProvider = gameStateProvider;
}
public IEnumerable <IDelta> GetDeltas(Stream inputStream)
{
if (inputStream == null)
{
throw new ArgumentNullException("inputStream");
}
if (_initialized == false)
{
throw new InvalidOperationException("Initialize must be called");
}
ChecksumProvider.Reset();
var slidingBuffer = new SlidingStreamBuffer(inputStream, _blockSize);
slidingBuffer.Warmup();
bool startingNewBlock = true;
long offset = 0;
var deltas = new List <IDelta>();
var currentByteDelta = new ByteDelta();
#if DEBUG
Statistics.Matching = 0;
Statistics.PossibleMatches = 0;
Statistics.NonMatching = 0;
#endif
int currentBlockSize;
while ((currentBlockSize = (int)slidingBuffer.GetNumBytesAvailable()) > 0)
{
// Deal with signed integer limits
if (IsSignedIntLength(offset - currentByteDelta.Offset))
{
currentByteDelta.Length = (int)(offset - currentByteDelta.Offset);
deltas.Add(currentByteDelta);
startingNewBlock = true;
}
if (startingNewBlock)
{
currentByteDelta = new ByteDelta {
Offset = offset
};
ChecksumProvider.ProcessBlock(slidingBuffer.GetBuffer(), 0, currentBlockSize);
}
else if (currentBlockSize < _blockSize)
{
ChecksumProvider.TrimFront(); // remaining bytes < block_size, so read nothing new - just trim
}
else
{
ChecksumProvider.RollByte(slidingBuffer[(int)(currentBlockSize - 1)]);
}
// at this point, sigGen needs the last byte of the current block
uint currentBlockChecksum = ChecksumProvider.Value;
ushort currentBlockChecksumHash = RollingChecksum.HashChecksum(currentBlockChecksum);
if (_remoteBlocksIndexTable.ContainsKey(currentBlockChecksumHash))
{
List <HashBlock> possibleRemoteBlockMatches = _remoteBlocksIndexTable[currentBlockChecksumHash];
if (possibleRemoteBlockMatches.Any(entry => entry.Checksum == currentBlockChecksum))
{
#if DEBUG
++Statistics.PossibleMatches;
#endif
byte[] currentBlockHash = HashProvider.ComputeHash(slidingBuffer.GetBuffer(), 0,
(int)currentBlockSize);
HashBlock matchingTargetBlock;
if ((matchingTargetBlock =
possibleRemoteBlockMatches.FirstOrDefault(
entry => entry.Hash.SequenceEqual(currentBlockHash))) != null)
{
#if DEBUG
Statistics.Matching += 1;
#endif
if ((currentByteDelta.Length = (int)(offset - currentByteDelta.Offset)) > 0)
{
deltas.Add(currentByteDelta);
}
deltas.Add(new CopyDelta
{
Offset = matchingTargetBlock.Offset,
Length = matchingTargetBlock.Length
});
slidingBuffer.MoveForward((int)currentBlockSize);
offset += currentBlockSize;
startingNewBlock = true;
continue;
}
}
}
#if DEBUG
++Statistics.NonMatching;
#endif
slidingBuffer.MoveForward(1);
++offset;
startingNewBlock = false;
}
Statistics.FileLength = offset;
if (!startingNewBlock && (currentByteDelta.Length = (int)(offset - currentByteDelta.Offset)) > 0)
{
deltas.Add(currentByteDelta);
}
#if DEBUG
Statistics.FileLength = offset;
#endif
return(deltas);
}
public ReplayBase(ChecksumProvider checksumProvider)
{
_commandsRecorder = new CommandsRecorder();
_checksumRecorder = new ChecksumRecorder(checksumProvider);
}
public ChecksumRecorder(ChecksumProvider checksumProvider)
{
_checksumProvider = checksumProvider;
}