public void Leave(WorldSession session)
{
lock (players)
{
players.Remove(session);
Players = players.ToArray();
}
}
protected void Join(WorldSession cs)
{
lock (players)
{
players.Add(cs);
Players = players.ToArray();
}
}
public static bool IsBlockProtected(WorldSession session, WorldRegion r)
{
if (r == null)
return false;
if (session.Mode == GameMode.Creative && session.Player.Admin())
return false;
if (r.IsResident(session.Player))
return false;
switch (r.Type)
{
case Protected.Type:
case Preserved.Type:
case Adventure.Type:
case Honeypot.Type:
case SpawnRegion.Type:
case WarpZone.Type:
return true;
}
return false;
}
public void SendToAllBut(PacketFromServer packet, WorldSession player)
{
foreach (var p in Players)
{
if (p == player)
continue;
p.Send(packet);
}
}
internal static bool FilterServer(WorldSession player, Packet packet)
{
return packet.PacketID == TimeUpdate.ID;
}
/// <summary>
/// Player activities log
/// </summary>
public static void WritePlayer(WorldSession session, string message)
{
WritePlayer(session.Player, message);
}
/// <summary>
/// Find region and send message
/// </summary>
internal static void SetRegion(WorldSession session)
{
RegionList regions = session.World.Regions;
if (regions == null)
return;
try
{
//This is called every single player movement, 20 times a second, some optimization might be needed.
WorldRegion w = null;
//First test if we are in the same as before
WorldRegion current = session.CurrentRegion;
if (current != null)
{
if (current.Deleted == false && current.Contains(session.Position))
{
w = GetRegion(current.SubRegions, session.Position, session.Dimension);
if (w == null)
w = current;
}
}
if (w == null)
w = GetRegion(regions.List, session.Position, session.Dimension);
//Debug.Write("Setregion: " + w);
//If different
if (session.CurrentRegion != w)
{
//Leaving
if (session.CurrentRegion != null && (session.CurrentRegion.HasChild(w) == false))
session.CurrentRegion.Leaving(session.Player, w);
//Entering
if (w != null && w.HasChild(session.CurrentRegion) == false)
w.Entering(session.Player);
//Stats
SetStats(session.CurrentRegion, session.Player);
SetStats(w, session.Player);
}
//Adjust Survival/Adventure mode
if (session.Mode != GameMode.Creative &&
session.Mode != GameMode.Spectator)
{
bool protect = Protected.IsBlockProtected(session, w);
if (protect && w.IsResident(session.Player))
protect = false;
if (protect)
session.SetMode(GameMode.Adventure);
else
session.SetMode(GameMode.Survival);
}
if (w != null && w.Type == WarpZone.Type)
{
if (session.Mode != GameMode.Creative)
{
WarpZone wz = new WarpZone(w.Name);
session.Player.Warp(wz.Destination, (Dimensions)wz.DestinationDimension, wz.DesinationWorld);
}
}
bool update = (w != session.CurrentRegion);
session.CurrentRegion = w;
if (update)
{
ScoreboardRegionManager.UpdateRegion(session.Player);
}
#if !DEBUG
} catch (Exception e)
{
Log.WriteServer(e);
return;
#endif
} finally
{
}
}
void SessionClosed(WorldSession s, Exception e)
{
if (Phase == Phases.Gaming)
{
this.TellSystem(Chat.Red, "Session error: " + e.Message);
if (s == Session)
SetWorld(World.Construct);
}
else
{
SetWorld(World.Void);
}
}
/// <summary>
/// Special worlds where the entrance region matters
/// such as banks and warpzones
/// </summary>
public void SetSession(WorldSession session)
{
lock (sessionLock)
{
WorldSession old = Session;
Session = session;
if (old != null)
old.Close("going to " + session);
}
}
public static bool FilterServer(WorldSession player, Packet packet)
{
if (player.Mode == GameMode.Creative && player.Player.Admin())
return false;
byte pid = packet.PacketID;
//Never stop raining
if (pid == ChangeGameState.ID)
{
ChangeGameState ns = packet as ChangeGameState;
if (ns.Reason == GameState.EndRaining)
return true;
}
//Block Time
if (pid == TimeUpdate.ID)
{
player.Player.SendToClient(new TimeUpdate(18000));
return true;
}
return false;
}
/// <summary>
/// Check for speed violations and update position
/// </summary>
internal void ClientMovement(WorldSession player, CoordDouble newPos)
{
CoordDouble diff = newPos - player.Position;
diff.X = Math.Sqrt(diff.X * diff.X + diff.Z * diff.Z);
//diff.Z = dt(later below)
#if !DEBUG
//Ignore movements in Creative mode
if (player.Mode == GameMode.Creative || player.Mode == GameMode.Spectator)
{
player.SetPositionServer(newPos);
return;
}
#endif
//Movements if attached already ignored
//Ignore movements withing the attached to item circle
if (newPos.Y < -900)
{
return;
}
//Ignore initial position
if (player.Position.Abs < 1)
return;
//For statistics, record all y positions
//FreqAnalyzer.RecordStep (player, player.Position, newPos);
//Ignore large client movements
if (diff.X > 8 || diff.Y > 8)
{
//string msg = "Too large movement: " + player.Position + " to " + newPos;
//Log.WritePlayer (player.Client, msg);
#if DEBUG
//player.Tell(msg);
//Console.WriteLine(DateTime.Now + " " + msg);
#endif
diff = new CoordDouble();
}
//Calculate max speed during last update
double sec = 0.05;
CoordDouble max = new CoordDouble(0, 0, sec);
//Effect index
int ei = player.EffectSpeed.Active ? player.EffectSpeed.Amplifier + 1 : 0;
double fac;
if (player.Crouched)
fac = LawsOfMinecraft.Crounch;
else if (player.Sprinting)
fac = LawsOfMinecraft.Sprint;
else
fac = LawsOfMinecraft.Walk;
if (player.OnGround == false)
fac += 4;
double em = (ei - LawsOfMinecraft.ZeroSpeedEffect) * LawsOfMinecraft.SpeedEffectMultiplier * fac;
#if !DEBUG
//em += 1.5; //Margin, useful for sprintjumping
#endif
max.X = em * sec;
if (em < LawsOfMinecraft.LadderSpeed)
#if DEBUG
em = LawsOfMinecraft.LadderSpeed;
#else
em = LawsOfMinecraft.LadderSpeed + 1;
#endif
max.Y = em * sec;
diff.Z = 0.05;
HistoryLastDiff += diff;
HistoryLastMax += max;
DateTime step = DateTime.Now;
if (HistoryLastStep.AddSeconds(1) < DateTime.Now)
{
if (HistoryLastStep == DateTime.MinValue)
HistoryLastStep = step.AddSeconds(-1);
//Old length
TimeSpan dt = step - HistoryLastStep;
HistoryLastStep = step;
HistoryLastDiff.Z = dt.TotalSeconds;
//Speed calculation
//Move forward one step
for (int n = HistorySpeed.Length - 1; n > 0; n--)
{
HistorySpeed [n] = HistorySpeed [n - 1];
HistoryMax [n] = HistoryMax [n - 1];
}
HistorySpeed [0] = HistoryLastDiff;
HistoryMax [0] = HistoryLastMax;
//Skip some ridicoulus speeds
if (HistorySpeed [0].X > 20 || HistorySpeed [0].Y > 20)
HistorySpeed [0] = new CoordDouble();
//Log distance
player.Player.Settings.WalkDistance += HistoryLastDiff.X;
HistoryLastDiff = new CoordDouble();
HistoryLastMax = new CoordDouble();
//Speed limits:
//Currently no vehicle speeds are recorded here.
//Ok, since they are controlled serverside anyway.
CoordDouble acc = new CoordDouble();
max = new CoordDouble();
int a = 0;
while (a < HistorySpeed.Length)
{
acc += HistorySpeed [a];
max += HistoryMax [a];
a++;
//Step check
if (acc.X < max.X && acc.Y < max.Y)
break;
//Calibrated for time diff
if (acc.X / acc.Z < max.X / max.Z &&
acc.Y / acc.Z < max.Y / max.Z)
break;
}
#if DEBUG
string dmsg = a + " ";
dmsg += HistorySpeed [0].ToString("0.00");
dmsg += " / ";
dmsg += HistoryMax [0].ToString("0.00");
dmsg += " ";
dmsg += player.Sprinting ? "S" : "s";
dmsg += player.Crouched ? "C" : "c";
dmsg += " E:";
dmsg += player.EffectSpeed.Active ? "+" + player.EffectSpeed.Amplifier : "";
dmsg += player.EffectSlow.Active ? "-" + player.EffectSlow.Amplifier : "";
/*if (a <= 1)
player.Tell(Chat.Green, dmsg);
else if (a <= 2)
player.Tell(Chat.Yellow, dmsg);
else
player.TellSystem(Chat.Red, dmsg);
*/
//Console.WriteLine(player.Player.MinecraftUsername + " " + dmsg);
#endif
if (a <= 2)
return; //no violation whatsoever
//Log.WritePlayer (player, "Speed " + a + " seconds");
//for (int n = 0; n < HistorySpeed.Length; n++) {
// Log.WritePlayer (player, HistorySpeed [n].ToString ("0.00") + " / " + HistoryMax [n].ToString ("0.00"));
#if xDEBUG
Console.WriteLine(HistorySpeed [n].ToString ("0.00") + " / " + HistoryMax [n].ToString ("0.00"));
#endif
//}
if (a < HistorySpeed.Length - 3)
return; //no visual speed warning
player.Player.TellAbove(Chat.Aqua, "SLOW DOWN, speed mods are banned!");
Chatting.Parser.TellAdmin(Chat.Aqua + player.Player.MinecraftUsername + " " + a + " s");
Chatting.Parser.TellAdmin(Chat.Aqua + HistorySpeed [0].ToString("0.00") + " / " + HistoryMax [0].ToString("0.00"));
if (a >= HistorySpeed.Length)
{
#if DEBUG
player.TellSystem(Chat.Red, "Speed Ban triggered" + Chat.Yellow + " - only testing");
#else
player.Player.BanByServer(DateTime.Now.AddMinutes(30), "Moving too fast(modified client)");
#endif
}
}
}