public McpeBatch GetBatch()
{
lock (_cacheSync)
{
if (_cache != null && _cachedBatch != null)
{
return(_cachedBatch);
}
McpeFullChunkData fullChunkData = McpeFullChunkData.CreateObject();
fullChunkData.chunkX = x;
fullChunkData.chunkZ = z;
fullChunkData.order = 0;
fullChunkData.chunkData = GetBytes();
fullChunkData.chunkDataLength = fullChunkData.chunkData.Length;
byte[] bytes = fullChunkData.Encode();
fullChunkData.PutPool();
MemoryStream memStream = new MemoryStream();
memStream.Write(BitConverter.GetBytes(Endian.SwapInt32(bytes.Length)), 0, 4);
memStream.Write(bytes, 0, bytes.Length);
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = Player.CompressBytes(memStream.ToArray(), CompressionLevel.Optimal);
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
batch.MarkPermanent();
_cachedBatch = batch;
return(batch);
}
}
public McpeBatch GetBatch()
{
if (_cache != null && _cachedBatch != null)
{
return(_cachedBatch);
}
McpeFullChunkData fullChunkData = McpeFullChunkData.CreateObject();
fullChunkData.chunkX = x;
fullChunkData.chunkZ = z;
fullChunkData.chunkData = GetBytes();
fullChunkData.chunkDataLength = fullChunkData.chunkData.Length;
byte[] bytes = fullChunkData.Encode();
fullChunkData.PutPool();
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = Player.CompressBytes(bytes, CompressionLevel.Optimal);
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
batch.MarkPermanent();
_cachedBatch = batch;
return(batch);
}
public object Clone()
{
ChunkColumn cc = (ChunkColumn)MemberwiseClone();
//public int x;
//public int z;
//public bool isDirty;
//public byte[] biomeId = ArrayOf<byte>.Create(256, 2);
cc.biomeId = (byte[])biomeId.Clone();
//public int[] biomeColor = ArrayOf<int>.Create(256, 1);
cc.biomeColor = (int[])biomeColor.Clone();
//public byte[] height = ArrayOf<byte>.Create(256, 0);
cc.height = (byte[])height.Clone();
//public byte[] blocks = new byte[16 * 16 * 128];
cc.blocks = (byte[])blocks.Clone();
//public NibbleArray metadata = new NibbleArray(16 * 16 * 128);
cc.metadata = (NibbleArray)metadata.Clone();
//public NibbleArray blocklight = new NibbleArray(16 * 16 * 128);
cc.blocklight = (NibbleArray)blocklight.Clone();
//public NibbleArray skylight = new NibbleArray(16 * 16 * 128);
cc.skylight = (NibbleArray)skylight.Clone();
//public IDictionary<BlockCoordinates, NbtCompound> BlockEntities = new Dictionary<BlockCoordinates, NbtCompound>();
cc.BlockEntities = new Dictionary <BlockCoordinates, NbtCompound>();
foreach (KeyValuePair <BlockCoordinates, NbtCompound> blockEntityPair in BlockEntities)
{
cc.BlockEntities.Add(blockEntityPair.Key, (NbtCompound)blockEntityPair.Value.Clone());
}
//private byte[] _cache;
if (_cache != null)
{
cc._cache = (byte[])_cache.Clone();
}
//private McpeBatch _cachedBatch = null;
McpeBatch batch = McpeBatch.CreateObject();
batch.payloadSize = _cachedBatch.payloadSize;
batch.payload = _cachedBatch.payload;
batch.Encode();
batch.MarkPermanent();
cc._cachedBatch = batch;
//private object _cacheSync = new object();
_cacheSync = new object();
return(cc);
}
public static McpeBatch CreateBatchPacket(byte[] input, int offset, int length, CompressionLevel compressionLevel, bool writeLen)
{
using (var stream = CompressIntoStream(input, offset, length, compressionLevel, writeLen))
{
var batch = McpeBatch.CreateObject();
batch.payload = stream.ToArray();
batch.Encode();
return(batch);
}
}
internal static McpeBatch CreateMcpeBatch(byte[] bytes)
{
MemoryStream memStream = MiNetServer.MemoryStreamManager.GetStream();
memStream.Write(BitConverter.GetBytes(Endian.SwapInt32(bytes.Length)), 0, 4);
memStream.Write(bytes, 0, bytes.Length);
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = Player.CompressBytes(memStream.ToArray(), CompressionLevel.Optimal);
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode(true);
return(batch);
}
public void DespawnFromAll(Player player)
{
lock (_playerWriteLock)
{
List <Player> spawnedPlayers = GetSpawnedPlayers().ToList();
McpePlayerList playerListMessage = McpePlayerList.CreateObject();
playerListMessage.records = new PlayerRemoveRecords(spawnedPlayers);
var bytes = playerListMessage.Encode();
playerListMessage.records = null;
MemoryStream memStream = new MemoryStream();
memStream.Write(BitConverter.GetBytes(Endian.SwapInt32(bytes.Length)), 0, 4);
memStream.Write(bytes, 0, bytes.Length);
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = Player.CompressBytes(memStream.ToArray(), CompressionLevel.Optimal);
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
player.SendPackage(batch);
foreach (Player spawnedPlayer in spawnedPlayers)
{
SendRemoveForPlayer(player, spawnedPlayer, false);
}
McpePlayerList playerList = McpePlayerList.CreateObject();
playerList.records = new PlayerRemoveRecords {
player
};
playerList.Encode();
playerList.records = null;
RelayBroadcast(player, playerList);
McpeRemovePlayer removePlayerMessage = McpeRemovePlayer.CreateObject();
removePlayerMessage.clientUuid = player.ClientUuid;
removePlayerMessage.entityId = player.EntityId;
RelayBroadcast(player, removePlayerMessage);
}
}
public void SendMoveList(List <McpeMovePlayer> movePlayerPackages)
{
if (!IsConnected)
{
return;
}
//if (Level.TickTime%4 != 0) return;
int messageCount = 0;
MemoryStream stream = new MemoryStream();
foreach (var movePlayer in movePlayerPackages)
{
if (movePlayer.entityId != EntityId)
{
messageCount++;
byte[] bytes = movePlayer.Encode();
stream.Write(bytes, 0, bytes.Length);
}
movePlayer.PutPool();
}
if (messageCount > 0)
{
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = CompressBytes(stream.ToArray());
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
Server.SendPackage(this, new List <Package> {
batch
}, _mtuSize, ref _reliableMessageNumber);
//Server.SendPackage(EndPoint, messages, _mtuSize, ref _reliableMessageNumber);
}
}
public static McpeBatch CreateBatchPacket(byte[] input, int offset, int length, CompressionLevel compressionLevel, bool writeLen)
{
var batch = McpeBatch.CreateObject();
//using (var stream = CompressIntoStream(input, offset, length, compressionLevel, writeLen))
if (writeLen)
{
var stream = MiNetServer.MemoryStreamManager.GetStream();
WriteLength(stream, length);
stream.Write(input, offset, length);
batch.payload = stream.ToArray();
}
else
{
byte[] target = new byte[length];
Buffer.BlockCopy(input, offset, target, 0, length);
batch.payload = target;
}
batch.Encode();
return(batch);
}
public object Clone()
{
ChunkColumn cc = (ChunkColumn)MemberwiseClone();
cc.chunks = new Chunk[16];
for (int i = 0; i < chunks.Length; i++)
{
cc.chunks[i] = (Chunk)chunks[i].Clone();
}
cc.biomeId = (byte[])biomeId.Clone();
cc.biomeColor = (int[])biomeColor.Clone();
cc.height = (byte[])height.Clone();
cc.BlockEntities = new Dictionary <BlockCoordinates, NbtCompound>();
foreach (KeyValuePair <BlockCoordinates, NbtCompound> blockEntityPair in BlockEntities)
{
cc.BlockEntities.Add(blockEntityPair.Key, (NbtCompound)blockEntityPair.Value.Clone());
}
if (_cache != null)
{
cc._cache = (byte[])_cache.Clone();
}
McpeBatch batch = McpeBatch.CreateObject();
batch.payload = _cachedBatch.payload;
batch.Encode();
batch.MarkPermanent();
cc._cachedBatch = batch;
_cacheSync = new object();
return(cc);
}
protected virtual void BroadCastMovement(Player[] players, Entity[] entities)
{
if (players.Length == 0)
{
return;
}
DateTime tickTime = _lastSendTime;
_lastSendTime = DateTime.UtcNow;
DateTime now = DateTime.UtcNow;
MemoryStream stream = MiNetServer.MemoryStreamManager.GetStream();
int count = 0;
McpeMovePlayer move = McpeMovePlayer.CreateObject();
foreach (var player in players)
{
if (((now - player.LastUpdatedTime) <= now - tickTime))
{
PlayerLocation knownPosition = player.KnownPosition;
move.entityId = player.EntityId;
move.x = knownPosition.X;
move.y = knownPosition.Y + 1.62f;
move.z = knownPosition.Z;
move.yaw = knownPosition.Yaw;
move.pitch = knownPosition.Pitch;
move.headYaw = knownPosition.HeadYaw;
move.mode = 0;
byte[] bytes = move.Encode();
stream.Write(BitConverter.GetBytes(Endian.SwapInt32(bytes.Length)), 0, 4);
stream.Write(bytes, 0, bytes.Length);
move.Reset();
count++;
}
}
move.PutPool();
McpeMoveEntity moveEntity = McpeMoveEntity.CreateObject();
moveEntity.entities = new EntityLocations();
McpeSetEntityMotion entityMotion = McpeSetEntityMotion.CreateObject();
entityMotion.entities = new EntityMotions();
foreach (var entity in entities)
{
if (((now - entity.LastUpdatedTime) <= now - tickTime))
{
moveEntity.entities.Add(entity.EntityId, entity.KnownPosition);
entityMotion.entities.Add(entity.EntityId, entity.Velocity);
count++;
}
}
if (moveEntity.entities.Count > 0)
{
byte[] bytes = moveEntity.Encode();
stream.Write(BitConverter.GetBytes(Endian.SwapInt32(bytes.Length)), 0, 4);
stream.Write(bytes, 0, bytes.Length);
}
moveEntity.PutPool();
if (moveEntity.entities.Count > 0)
{
byte[] bytes = entityMotion.Encode();
stream.Write(BitConverter.GetBytes(Endian.SwapInt32(bytes.Length)), 0, 4);
stream.Write(bytes, 0, bytes.Length);
}
entityMotion.PutPool();
if (count == 0)
{
return;
}
McpeBatch batch = McpeBatch.CreateObject(players.Length);
byte[] buffer = Player.CompressBytes(stream.ToArray(), CompressionLevel.Optimal);
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode(true);
foreach (var player in players)
{
Task sendTask = new Task(obj => ((Player)obj).SendMoveList(batch, now), player);
sendTask.Start();
}
}
public void SpawnToAll(Player newPlayer)
{
lock (_playerWriteLock)
{
List <Player> spawnedPlayers = GetSpawnedPlayers().ToList();
spawnedPlayers.Add(newPlayer);
Player[] sendList = spawnedPlayers.ToArray();
McpePlayerList playerListMessage = McpePlayerList.CreateObject();
playerListMessage.records = new PlayerAddRecords(spawnedPlayers);
var bytes = playerListMessage.Encode();
playerListMessage.records = null;
MemoryStream memStream = new MemoryStream();
memStream.Write(BitConverter.GetBytes(Endian.SwapInt32(bytes.Length)), 0, 4);
memStream.Write(bytes, 0, bytes.Length);
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = Player.CompressBytes(memStream.ToArray(), CompressionLevel.Optimal);
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
newPlayer.SendPackage(batch);
McpePlayerList playerList = McpePlayerList.CreateObject();
playerList.records = new PlayerAddRecords {
newPlayer
};
playerList.Encode();
playerList.records = null;
RelayBroadcast(newPlayer, sendList, playerList);
McpeAddPlayer mcpeAddPlayer = McpeAddPlayer.CreateObject();
mcpeAddPlayer.uuid = newPlayer.ClientUuid;
mcpeAddPlayer.username = newPlayer.Username;
mcpeAddPlayer.entityId = newPlayer.EntityId;
mcpeAddPlayer.x = newPlayer.KnownPosition.X;
mcpeAddPlayer.y = newPlayer.KnownPosition.Y;
mcpeAddPlayer.z = newPlayer.KnownPosition.Z;
mcpeAddPlayer.yaw = newPlayer.KnownPosition.Yaw;
mcpeAddPlayer.headYaw = newPlayer.KnownPosition.HeadYaw;
mcpeAddPlayer.pitch = newPlayer.KnownPosition.Pitch;
mcpeAddPlayer.metadata = newPlayer.GetMetadata();
RelayBroadcast(newPlayer, sendList, mcpeAddPlayer);
McpePlayerEquipment mcpePlayerEquipment = McpePlayerEquipment.CreateObject();
mcpePlayerEquipment.entityId = newPlayer.EntityId;
mcpePlayerEquipment.item = new MetadataSlot(newPlayer.Inventory.GetItemInHand());
mcpePlayerEquipment.slot = 0;
RelayBroadcast(newPlayer, sendList, mcpePlayerEquipment);
McpePlayerArmorEquipment mcpePlayerArmorEquipment = McpePlayerArmorEquipment.CreateObject();
mcpePlayerArmorEquipment.entityId = newPlayer.EntityId;
mcpePlayerArmorEquipment.helmet = new MetadataSlot(new ItemStack(newPlayer.Inventory.Helmet, 0));
mcpePlayerArmorEquipment.chestplate = new MetadataSlot(new ItemStack(newPlayer.Inventory.Chest, 0));
mcpePlayerArmorEquipment.leggings = new MetadataSlot(new ItemStack(newPlayer.Inventory.Leggings, 0));
mcpePlayerArmorEquipment.boots = new MetadataSlot(new ItemStack(newPlayer.Inventory.Boots, 0));
RelayBroadcast(newPlayer, sendList, mcpePlayerArmorEquipment);
foreach (Player spawnedPlayer in spawnedPlayers)
{
SendAddForPlayer(newPlayer, spawnedPlayer, false);
}
}
}
internal void HandlePackage(Package message, PlayerNetworkSession playerSession)
{
try
{
if (message == null)
{
return;
}
if (typeof(McpeWrapper) == message.GetType())
{
McpeWrapper wrapper = (McpeWrapper)message;
// Get bytes
byte[] payload = wrapper.payload;
//if (Log.IsDebugEnabled) Log.Debug($"Received package 0x{message.Id:X2}\n{Package.HexDump(payload)}");
if (playerSession.CryptoContext != null && playerSession.CryptoContext.UseEncryption)
{
payload = CryptoUtils.Decrypt(payload, playerSession.CryptoContext);
}
McpeBatch batch = McpeBatch.CreateObject();
batch.payload = payload;
HandlePackage(batch, playerSession);
//if (Log.IsDebugEnabled)
// Log.Debug($"0x{payload[0]:x2}\n{Package.HexDump(payload)}");
//var msg = PackageFactory.CreatePackage(payload[0], payload, "mcpe") ?? new UnknownPackage(payload[0], payload);
//msg.DatagramSequenceNumber = wrapper.DatagramSequenceNumber;
//msg.Reliability = wrapper.Reliability;
//msg.ReliableMessageNumber = wrapper.ReliableMessageNumber;
//msg.OrderingChannel = wrapper.OrderingChannel;
//msg.OrderingIndex = wrapper.OrderingIndex;
//HandlePackage(msg, playerSession);
message.PutPool();
return;
}
if (typeof(UnknownPackage) == message.GetType())
{
UnknownPackage packet = (UnknownPackage)message;
if (Log.IsDebugEnabled)
{
Log.Warn($"Received unknown package 0x{message.Id:X2}\n{Package.HexDump(packet.Message)}");
}
message.PutPool();
return;
}
if (typeof(McpeBatch) == message.GetType())
{
McpeBatch batch = (McpeBatch)message;
var messages = new List <Package>();
// Get bytes
byte[] payload = batch.payload;
// Decompress bytes
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
using (MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream())
{
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
while (destination.Position < destination.Length)
{
//int len = reader.ReadInt32();
int len = BatchUtils.ReadLength(destination);
byte[] internalBuffer = reader.ReadBytes(len);
//if (Log.IsDebugEnabled)
// Log.Debug($"0x{internalBuffer[0]:x2}\n{Package.HexDump(internalBuffer)}");
messages.Add(PackageFactory.CreatePackage(internalBuffer[0], internalBuffer, "mcpe") ??
new UnknownPackage(internalBuffer[0], internalBuffer));
}
if (destination.Length > destination.Position)
{
throw new Exception("Have more data");
}
}
}
foreach (var msg in messages)
{
msg.DatagramSequenceNumber = batch.DatagramSequenceNumber;
msg.Reliability = batch.Reliability;
msg.ReliableMessageNumber = batch.ReliableMessageNumber;
msg.OrderingChannel = batch.OrderingChannel;
msg.OrderingIndex = batch.OrderingIndex;
HandlePackage(msg, playerSession);
}
message.PutPool();
return;
}
MiNetServer.TraceReceive(message);
if (CryptoContext != null && CryptoContext.UseEncryption)
{
MiNetServer.FastThreadPool.QueueUserWorkItem(delegate()
{
HandlePackage(MessageHandler, message as Package);
message.PutPool();
});
}
else
{
HandlePackage(MessageHandler, message);
message.PutPool();
}
}
catch (Exception e)
{
Log.Error("Package handling", e);
throw;
}
}
private void SendQueue(object sender)
{
if (!IsConnected)
{
return;
}
Queue <Package> queue = _sendQueueNotConcurrent;
int messageCount = 0;
int lenght = queue.Count;
MemoryStream stream = new MemoryStream();
for (int i = 0; i < lenght; i++)
{
Package package = null;
lock (_queueSync)
{
if (queue.Count == 0)
{
break;
}
try
{
package = queue.Dequeue();
}
catch (Exception e)
{
}
}
if (package == null)
{
continue;
}
byte[] bytes = package.Encode();
if (bytes != null)
{
messageCount++;
stream.Write(bytes, 0, bytes.Length);
package.PutPool();
}
}
if (messageCount == 0)
{
return;
}
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = CompressBytes(stream.ToArray());
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
Server.SendPackage(this, new List <Package> {
batch
}, _mtuSize, ref _reliableMessageNumber);
//Server.SendPackage(EndPoint, messages, _mtuSize, ref _reliableMessageNumber);
}
/// <summary>
/// Sends the chunks for known position.
/// </summary>
private void SendChunksForKnownPosition()
{
var chunkPosition = new ChunkCoordinates(KnownPosition);
if (IsSpawned && _currentChunkPosition == chunkPosition)
{
return;
}
_currentChunkPosition = chunkPosition;
ThreadPool.QueueUserWorkItem(delegate(object state)
{
int packetCount = 0;
if (!IsBot)
{
while (Rtt < 0)
{
Thread.Yield();
}
}
MemoryStream stream = new MemoryStream();
foreach (var chunk in Level.GenerateChunks(_currentChunkPosition, _chunksUsed))
{
McpeFullChunkData fullChunkData = McpeFullChunkData.CreateObject();
fullChunkData.chunkX = chunk.x;
fullChunkData.chunkZ = chunk.z;
fullChunkData.chunkData = chunk.GetBytes();
fullChunkData.chunkDataLength = fullChunkData.chunkData.Length;
McpeBatch batch = McpeBatch.CreateObject();
byte[] buffer = CompressBytes(fullChunkData.Encode());
batch.payloadSize = buffer.Length;
batch.payload = buffer;
fullChunkData.PutPool();
// This is to slow down chunk-sending not to overrun old devices.
// The timeout should be configurable and enable/disable.
if (Math.Floor(Rtt / 10d) > 0)
{
Thread.Sleep(Math.Min(Math.Max((int)Math.Floor(Rtt / 10d), 12) + 10, 40));
}
SendPackage(batch, sendDirect: true);
//var bytes = fullChunkData.Encode();
//stream.Write(bytes, 0, bytes.Length);
if (!IsSpawned)
{
if (packetCount++ == 56)
{
InitializePlayer();
}
}
}
//McpeBatch batch = new McpeBatch();
//byte[] buffer = CompressBytes(stream.ToArray());
//batch.payloadSize = buffer.Length;
//batch.payload = buffer;
//batch.Encode();
//SendPackage(batch);
});
}
