|
static private MakeRotate ( int id, |
||
| id | int | |
| pos | ||
| return | ||
public void MakeRandomDecision()
{
int rand = new Random().Next(1, 5);
switch (rand)
{
case 1:
Pos.R += 15;
world.Players.Send(PacketWriter.MakeRotate(ID, Pos));
break;
case 2:
Pos.R += 90;
world.Players.Send(PacketWriter.MakeRotate(ID, Pos));
break;
case 3:
int player = new Random().Next(0, world.Players.Count() - 1);
world.Players.Send(PacketWriter.MakeTeleport(ID, world.Players[player].Position));
Pos = world.Players[player].Position;
break;
default:
break;
}
}
public void CheckIfCanMove()
{
double ksi = 2.0 * Math.PI * (-Pos.L) / 256.0;
double phi = 2.0 * Math.PI * (Pos.R - 64) / 256.0;
double sphi = Math.Sin(phi);
double cphi = Math.Cos(phi);
double sksi = Math.Sin(ksi);
double cksi = Math.Cos(ksi);
Position movePos;
Vector3I BlockPos = new Vector3I((int)(cphi * cksi * 2 - sphi * (0.5 + 1) - cphi * sksi * (0.5 + 1)),
(int)(sphi * cksi * 2 + cphi * (0.5 + 1) - sphi * sksi * (0.5 + 1)),
(int)(sksi * 2 + cksi * (0.5 + 1)));
BlockPos += Pos.ToBlockCoords();
movePos = new Position((short)(BlockPos.X * 32), (short)(BlockPos.Y * 32), (short)(BlockPos.Z * 32), Pos.R, Pos.L);
oldPos = movePos;
switch (world.Map.GetBlock(BlockPos.X, BlockPos.Y, BlockPos.Z - 2))
{
case Block.Air:
case Block.Water:
case Block.Lava:
case Block.Plant:
case Block.RedFlower:
case Block.RedMushroom:
case Block.YellowFlower:
case Block.BrownMushroom:
nextPos = movePos;
MoveBot();
break;
default:
Pos.R -= 90;
world.Players.Send(PacketWriter.MakeRotate(ID, Pos));
break;
}
}
void IoLoop()
{
short x, y, h;
byte mode, type, opcode;
Packet packet;
int pollInterval = 200;
int pollCounter = 0;
int packetsSent = 0;
try {
LoginSequence();
canSend = true;
while (!canDispose)
{
Thread.Sleep(1);
packetsSent = 0;
// detect player disconnect
if (pollCounter > pollInterval)
{
if (!client.Connected ||
(client.Client.Poll(1000, SelectMode.SelectRead) && client.Client.Available == 0))
{
world.log.Log("Session.IoLoop: Lost connection to {0}.", LogType.Debug, player.name);
return;
}
pollCounter = 0;
}
pollCounter++;
// send priority output to player
while (canSend && priorityOutputQueue.Count > 0 && packetsSent < Server.maxSessionPacketsPerTick)
{
lock ( priorityQueueLock ) {
packet = priorityOutputQueue.Dequeue();
}
writer.Write(packet.data);
packetsSent++;
if (packet.data[0] == (byte)OutputCodes.Disconnect)
{
world.log.Log("Session.IoLoop: Kick packet delivered to {0}.", LogType.Debug, player.name);
return;
}
}
// send output to player
while (canSend && outputQueue.Count > 0 && packetsSent < Server.maxSessionPacketsPerTick)
{
lock ( queueLock ) {
packet = outputQueue.Dequeue();
}
writer.Write(packet.data);
packetsSent++;
if (packet.data[0] == (byte)OutputCodes.Disconnect)
{
writer.Flush();
world.log.Log("Session.IoLoop: Kick packet delivered to {0}.", LogType.Debug, player.name);
return;
}
}
// get input from player
while (canReceive && client.GetStream().DataAvailable)
{
opcode = reader.ReadByte();
switch ((InputCodes)opcode)
{
// Message
case InputCodes.Message:
reader.ReadByte();
string message = ReadString();
if (Player.CheckForIllegalChars(message))
{
world.log.Log("Player.ParseMessage: {0} attempted to write illegal characters in chat and was kicked.",
LogType.SuspiciousActivity,
player.name);
KickNow("Illegal characters in chat.");
return;
}
else
{
player.ParseMessage(message, false);
}
break;
// Player movement
case InputCodes.MoveRotate:
reader.ReadByte();
Position newPos = new Position();
newPos.x = IPAddress.NetworkToHostOrder(reader.ReadInt16());
newPos.h = IPAddress.NetworkToHostOrder(reader.ReadInt16());
newPos.y = IPAddress.NetworkToHostOrder(reader.ReadInt16());
newPos.r = reader.ReadByte();
newPos.l = reader.ReadByte();
if (newPos.h < 0 || newPos.x < -32 || newPos.x >= world.map.widthX * 32 + 32 || newPos.y < -32 || newPos.y > world.map.widthY * 32 + 32)
{
world.log.Log(player.name + " was kicked for moving out of map boundaries.", LogType.SuspiciousActivity);
world.SendToAll(player.name + " was kicked for moving out of map boundaries.", null);
KickNow("Hacking detected: out of map boundaries.");
return;
}
Position delta = new Position(), oldPos = player.pos;
bool posChanged, rotChanged;
if (!player.isHidden)
{
delta.Set(newPos.x - oldPos.x, newPos.y - oldPos.y, newPos.h - oldPos.h, newPos.r, newPos.l);
posChanged = delta.x != 0 || delta.y != 0 || delta.h != 0;
rotChanged = newPos.r != oldPos.r || newPos.l != oldPos.l;
if (player.isFrozen)
{
if (rotChanged)
{
world.SendToAll(PacketWriter.MakeRotate(player.id, newPos), player);
player.pos.r = newPos.r;
player.pos.l = newPos.l;
}
if (posChanged)
{
SendNow(PacketWriter.MakeTeleport(255, player.pos));
}
}
else
{
if (delta.FitsIntoByte() && fullPositionUpdateCounter < fullPositionUpdateInterval)
{
if (posChanged && rotChanged)
{
world.SendToAll(PacketWriter.MakeMoveRotate(player.id, delta), player);
}
else if (posChanged)
{
world.SendToAll(PacketWriter.MakeMove(player.id, delta), player);
}
else if (rotChanged)
{
world.SendToAll(PacketWriter.MakeRotate(player.id, newPos), player);
}
}
else if (!delta.IsZero() && !player.isFrozen)
{
world.SendToAll(PacketWriter.MakeTeleport(player.id, newPos), player);
}
player.pos = newPos;
if (player.isDummySpamming)
{
world.cmd.standardCommands.Dummy(player, new Command("/dummy " + player.name));
}
}
fullPositionUpdateCounter++;
if (fullPositionUpdateCounter >= fullPositionUpdateInterval)
{
fullPositionUpdateCounter = 0;
}
}
break;
// Set tile
case InputCodes.SetTile:
x = IPAddress.NetworkToHostOrder(reader.ReadInt16());
h = IPAddress.NetworkToHostOrder(reader.ReadInt16());
y = IPAddress.NetworkToHostOrder(reader.ReadInt16());
mode = reader.ReadByte();
type = reader.ReadByte();
if (type > 49 || x < 0 || x > world.map.widthX || y < 0 || y > world.map.widthY || h < 0 || h > world.map.height)
{
world.log.Log(player.name + " was kicked for sending bad SetTile packets.", LogType.SuspiciousActivity);
world.SendToAll(player.name + " was kicked for sending bad SetTile packets.", null);
KickNow("Hacking detected: illegal SetTile packet.");
return;
}
else
{
player.SetTile(x, y, h, mode == 1, (Block)type);
}
break;
}
}
}
} catch (ThreadAbortException) {
world.log.Log("Session.IoLoop: Thread aborted!", LogType.Error);
} catch (IOException ex) {
world.log.Log("Session.IoLoop: {0}.", LogType.Warning, ex.Message);
} catch (SocketException ex) {
world.log.Log("Session.IoLoop: {0}.", LogType.Warning, ex.Message);
} catch (Exception ex) {
world.log.Log("Session.IoLoop: {0}: {1}.", LogType.Error, ex.ToString(), ex.Message);
} finally {
canQueue = false;
canSend = false;
canDispose = true;
}
}
