public async Task ExecuteHandler(RecvOpcode opcode, Client client, PacketReader reader)
{
PacketHandler handler;
if (handlers.TryGetValue(opcode, out handler))
{
await handler(client, reader);
}
else throw new Exception("No handler found for: " + ((byte)opcode).ToString("X2"));
}
public static async Task HandleClientSettings(Client client, PacketReader reader)
{
//TODO: save these settings in Player
string locale = await reader.ReadString();
byte viewDistance = await reader.ReadByte();
byte chatFlags = await reader.ReadByte();
byte difficulty = await reader.ReadByte();
bool cape = await reader.ReadBoolean();
}
// TODO: does 3rd param still have a function?
private static async Task SetPosition(Client client, PacketReader reader, bool has_stance = true)
{
double x = await reader.ReadDouble();
double y = await reader.ReadDouble();
if (has_stance)
{
double stance = await reader.ReadDouble();
client.Player.Stance = stance;
}
double z = await reader.ReadDouble();
client.Player.Move(x, y, z);
}
public static async Task HandleServerStats(Client client, PacketReader reader)
{
await reader.ReadByte();
using (var packet = new PacketWriter(SendOpcode.Kick))
{
packet.WriteString("§1\0{0}\0{1}\0{2}\0{3}\0{4}",
Server.Protocol, Server.Version, Server.Instance.GetMOTD(),
Server.Instance.PlayerCount, Server.Instance.Max);
client.Send(packet);
}
}
public static async void SetCompas(Client client)
{
using (var packet = new PacketWriter(SendOpcode.SetCompas))
{
// TODO: set real compas data
int x = 0;
int y = 0;
int z = 0;
packet.Write(x);
packet.Write(y);
packet.Write(z);
client.Send(packet);
}
}
public static void SendTestChunk(Client client, int x, int y, byte type, byte metaData)
{
bool groundUp = true;
ushort bitmap = 15;
ushort addbitmap = 0;
List<byte> data = new List<byte>();
// add 4096 dirt blocks
for (int i = 0; i < 4096; i++)
{
data.Add(type);
}
// add metadata
for (int i = 0; i < 2048; i++)
{
data.Add(metaData);
}
// add light
for (int i = 0; i < 2048; i++)
{
data.Add(0xFF);
}
// addArray
for (int i = 0; i < 2048; i++)
{
data.Add(0x00);
}
byte[] compressedData = ZlibStream.CompressBuffer(data.ToArray());
using (var packet = new PacketWriter(SendOpcode.ChunkData))
{
packet.Write(x/16);
packet.Write(y/16);
packet.Write(groundUp);
packet.Write(bitmap);
packet.Write(addbitmap);
packet.Write(compressedData.Length);
packet.Write(compressedData);
client.Send(packet);
}
}
public static async Task HandlePlayerPositionAndLook(Client client, PacketReader reader)
{
await SetPosition(client, reader);
await SetView(client, reader);
await SetOnGround(client, reader);
using (var packet = new PacketWriter(SendOpcode.PlayerPosition))
{
Player player = client.Player;
packet.Write(player.Position.X);
packet.Write(player.Position.Y);
packet.Write(player.Stance);
packet.Write(player.Position.Z);
packet.Write(player.View.yaw);
packet.Write(player.View.pitch);
packet.Write(player.OnGround);
//Console.WriteLine("Pos: X={0}, Y={1}, Z={2}", player.Position.X, player.Position.Y, player.Position.Z);
client.Send(packet);
}
}
public static async Task HandleHandshake(Client client, PacketReader reader)
{
byte protocol = await reader.ReadByte();
string username = await reader.ReadString();
string host = await reader.ReadString();
uint port = await reader.ReadUInt32();
// TODO: This has to happen as a seperate task!! not on this thread
LoginResult res = client.Authenticate(username, host, port);
if (res != LoginResult.LoggedIn)
{
using (var packet = new PacketWriter(SendOpcode.Kick))
{
packet.WriteString("DERP!!! Server disconnected, reason: {0}", res.ToString());
client.Send(packet);
}
}
else
{
//TODO: chunks?
}
}
public static async Task HandlePlayerAbility(Client client, PacketReader reader)
{
byte flags = await reader.ReadByte();
byte flySpeed = await reader.ReadByte();
byte walkSpeed = await reader.ReadByte();
Player player = client.Player;
player.GodMode = (flags & 8) != 0;
player.FlyingAllowed = (flags & 4) != 0;
player.IsFlying = (flags & 2) != 0;
player.CreativeMode = (flags & 1) != 0;
Console.WriteLine("Godmode is {0}, flymode is {1}, flying is {2}, creative is {3}", player.GodMode, player.FlyingAllowed, player.IsFlying, player.CreativeMode);
player.FlySpeed = flySpeed;
player.WalkSpeed = walkSpeed;
using (var packet = new PacketWriter(SendOpcode.PlayerAbility))
{
packet.Write(flags);
packet.Write(flySpeed);
packet.Write(walkSpeed);
client.Send(packet);
}
}
public static async void TestSpawn(Client client)
{
// Temp code to test chunks
ChunkTest.SendTestChunk(client, 0, 0, 0x03, 0xAA);
ChunkTest.SendTestChunk(client, -16, 0, 0x03, 0xAA);
ChunkTest.SendTestChunk(client, 0, -16, 0x03, 0xAA);
ChunkTest.SendTestChunk(client, -16, -16, 0x03, 0xAA);
SetCompas(client);
using (var packet = new PacketWriter(SendOpcode.PlayerPosition))
{
Player player = client.Player;
packet.Write(8d);
packet.Write(100d);
packet.Write(0.0d);
packet.Write(8d);
packet.Write(0.0f);
packet.Write(0.0f);
packet.Write(false);
client.Send(packet);
}
}
private static async void SendLoginInformation(Client client)
{
using (var packet = new PacketWriter(SendOpcode.Login))
{
uint entityID = 4432; // TODO: make dynamic
string levelType = "default";
byte gameMode = 1;
byte dimension = 0;
byte difficulty = 2;
byte maxPlayers = Server.MaxPlayers;
packet.Write(entityID);
packet.WriteString(levelType);
packet.Write(gameMode);
packet.Write(dimension);
packet.Write(difficulty);
// unused byte
packet.Write((byte)0);
packet.Write(maxPlayers);
client.Send(packet);
}
WorldHandler.TestSpawn(client);
}
public static async Task HandlePlayerGround(Client client, PacketReader reader)
{
await SetOnGround(client, reader);
//Console.WriteLine("Client flying: {0}", !ground);
}
public static async Task HandleLoginRequest(Client client, PacketReader reader)
{
SendLoginInformation(client);
}
public void Start()
{
if (!IsListening)
{
Console.WriteLine("Server listening on {0}.", Port);
Task.Factory.StartNew(async () =>
{
socket.Listen(32);
while (IsListening)
{
Socket accepted = await Task.Factory.FromAsync(
(c, s) => socket.BeginAccept(c, s),
iar => socket.EndAccept(iar), null);
Client client = new Client(accepted);
Console.WriteLine("{0} connected.", client.GetHostName());
client.OnDisconnect += client_OnDisconnect;
client.StartHandlers();
clients.Add(client);
}
Console.WriteLine("Server stopped listening.");
});
IsListening = true;
}
}
public static async Task HandleKeepAlive(Client client, PacketReader reader)
{
// we don't need the id
await reader.SkipBytes(4);
}
private static async Task SetOnGround(Client client, PacketReader reader)
{
bool ground = await reader.ReadBoolean();
client.Player.OnGround = ground;
//Console.WriteLine("Faling is {0}", ground);
}
public static async Task HandlePlayerLook(Client client, PacketReader reader)
{
await SetView(client, reader);
await SetOnGround(client, reader);
}
public static async Task HandlePlayerPosition(Client client, PacketReader reader)
{
await SetPosition(client, reader);
await SetOnGround(client, reader);
}
private static async Task SetView(Client client, PacketReader reader)
{
float yaw = await reader.ReadFloat();
float pitch = await reader.ReadFloat();
client.Player.SetView(yaw, pitch);
}
