/// <summary>
/// Remove Object packet (for NPCs
/// </summary>
/// <param name="npc"></param>
/// <returns></returns>
public static byte[] BuildRemoveNpcUdp(GameNPC npc)
{
var oType = npc.IsAlive ? 1 : 0;
var pak = new GSUDPPacketOut((byte)ePackets.RemoveObject, 4);
pak.WriteShort((ushort)npc.ObjectID);
pak.WriteShort((ushort)oType);
pak.WritePacketLength();
return(pak.GetBuffer());
}
/// <summary>
/// Builds a SpellEffectAnimation packet
/// </summary>
/// <returns>byte[] for packetProcessor.Send()</returns>
public static byte[] SpellEffectAnimationUDP(GameObject spellCaster, GameObject spellTarget, ushort spellid,
ushort boltTime, bool noSound, byte success)
{
var pak = new GSUDPPacketOut((byte)ePackets.SpellEffectAnimation, 10);
pak.WriteShort((ushort)spellCaster.ObjectID);
pak.WriteShort(spellid);
pak.WriteShort((ushort)(spellTarget == null ? 0 : spellTarget.ObjectID));
pak.WriteShort(boltTime);
pak.WriteByte((byte)(noSound ? 1 : 0));
pak.WriteByte(success);
//Get the packet buffer
pak.WritePacketLength();
return(pak.GetBuffer()); //packet.WritePacketLength sets the Capacity
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
if (client == null || client.Player == null)
{
return;
}
if (client.Player.ObjectState != GameObject.eObjectState.Active)
{
return;
}
ushort sessionId = packet.ReadShort(); // session ID
if (client.SessionID != sessionId)
{
// GameServer.BanAccount(client, 120, "Hack sessionId", string.Format("Wrong sessionId:0x{0} in 0xBA packet (SessionID:{1})", sessionId, client.SessionID));
return; // client hack
}
ushort head = packet.ReadShort();
client.Player.Heading = (ushort)(head & 0xFFF);
packet.Skip(1); // unknown
int flags = packet.ReadByte();
// client.Player.PetInView = ((flags & 0x04) != 0); // TODO
client.Player.GroundTargetInView = ((flags & 0x08) != 0);
client.Player.TargetInView = ((flags & 0x10) != 0);
byte[] con = packet.ToArray();
con[0] = (byte)(client.SessionID >> 8);
con[1] = (byte)(client.SessionID & 0xff);
if (!client.Player.IsAlive)
{
con[9] = 5; // set dead state
}
else if (client.Player.Steed != null && client.Player.Steed.ObjectState == GameObject.eObjectState.Active)
{
client.Player.Heading = client.Player.Steed.Heading;
con[9] = 6; // Set ride state
con[7] = (byte)(client.Player.Steed.RiderSlot(client.Player)); // there rider slot this player
con[2] = (byte)(client.Player.Steed.ObjectID >> 8); //heading = steed ID
con[3] = (byte)(client.Player.Steed.ObjectID & 0xFF);
}
con[5] &= 0xC0; //11 00 00 00 = 0x80(Torch) + 0x40(Unknown), all other in view check's not need send anyone
if (client.Player.IsWireframe)
{
con[5] |= 0x01;
}
//stealth is set here
if (client.Player.IsStealthed)
{
con[5] |= 0x02;
}
con[8] = (byte)((con[8] & 0x80) | client.Player.HealthPercent);
GSUDPPacketOut outpak = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
//Now copy the whole content of the packet
outpak.Write(con, 0, /*con.Length*/ 10);
outpak.WritePacketLength();
GSUDPPacketOut outpak190 = null;
// byte[] outp = outpak.GetBuffer();
// outpak = null;
foreach (GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if (player != null && player != client.Player)
{
if (player.Client.Version >= GameClient.eClientVersion.Version190)
{
if (outpak190 == null)
{
outpak190 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
byte[] con190 = (byte[])con.Clone();
//Now copy the whole content of the packet
outpak190.Write(con190, 0, /*con190.Lenght*/ 10);
outpak190.WriteByte(client.Player.ManaPercent);
outpak190.WriteByte(client.Player.EndurancePercent);
outpak190.WritePacketLength();
// byte[] outp190 = outpak190.GetBuffer();
// outpak190 = null;// ?
}
player.Out.SendUDPRaw(outpak190);
}
else
{
player.Out.SendUDPRaw(outpak);
}
}
}
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
if (client?.Player == null)
{
return;
}
if (client.Player.ObjectState != GameObject.eObjectState.Active)
{
return;
}
ushort sessionId = packet.ReadShort(); // session ID
ushort currentTarget = 0;
if (client.SessionID != sessionId)
{
// GameServer.BanAccount(client, 120, "Hack sessionId", string.Format("Wrong sessionId:0x{0} in 0xBA packet (SessionID:{1})", sessionId, client.SessionID));
return; // client hack
}
if (client.Version >= GameClient.eClientVersion.Version1127)
{
currentTarget = packet.ReadShort();
}
ushort head = packet.ReadShort();
var unk1 = (byte)packet.ReadByte(); // unknown
var flags = (byte)packet.ReadByte();
var steedSlot = (byte)packet.ReadByte();
var ridingFlag = (byte)packet.ReadByte();
client.Player.Heading = (ushort)(head & 0xFFF);
// client.Player.PetInView = ((flags & 0x04) != 0); // TODO
client.Player.GroundTargetInView = ((flags & 0x08) != 0);
client.Player.TargetInView = ((flags & 0x10) != 0);
byte state = 0;
if (!client.Player.IsAlive)
{
state = 5; // set dead state
}
else if (client.Player.Steed != null && client.Player.Steed.ObjectState == GameObject.eObjectState.Active)
{
client.Player.Heading = client.Player.Steed.Heading;
state = 6; // Set ride state
steedSlot = (byte)client.Player.Steed.RiderSlot(client.Player); // there rider slot this player
head = (ushort)client.Player.Steed.ObjectID; // heading = steed ID
}
else
{
if (client.Player.IsSwimming)
{
state = 1;
}
if (client.Player.IsClimbing)
{
state = 7;
}
if (client.Player.IsSitting)
{
state = 4;
}
if (client.Player.IsStrafing)
{
state |= 8;
}
}
byte flagcontent = 0;
if (client.Player.IsWireframe)
{
flagcontent |= 0x01;
}
if (client.Player.IsStealthed)
{
flagcontent |= 0x02;
}
if (client.Player.IsDiving)
{
flagcontent |= 0x04;
}
if (client.Player.IsTorchLighted)
{
flagcontent |= 0x80;
}
GSUDPPacketOut outpak1127 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
outpak1127.WriteShort((ushort)client.SessionID);
outpak1127.WriteShort(currentTarget); // 1127
outpak1127.WriteShort(client.Player.Heading);
outpak1127.WriteByte(steedSlot);
outpak1127.WriteByte((byte)flags);
outpak1127.WriteByte(0);
outpak1127.WriteByte(ridingFlag);
outpak1127.WriteByte(client.Player.HealthPercent);
outpak1127.WriteByte(client.Player.ManaPercent);
outpak1127.WriteByte(client.Player.EndurancePercent);
outpak1127.WriteByte(0);
outpak1127.WritePacketLength();
GSUDPPacketOut outpak190 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
outpak190.WriteShort((ushort)client.SessionID);
outpak190.WriteShort(head);
outpak190.WriteByte(unk1); // unknown
outpak190.WriteByte(flagcontent);
outpak190.WriteByte(steedSlot);
outpak190.WriteByte(ridingFlag);
outpak190.WriteByte((byte)(client.Player.HealthPercent + (client.Player.AttackState ? 0x80 : 0)));
outpak190.WriteByte(state);
outpak190.WriteByte(client.Player.ManaPercent);
outpak190.WriteByte(client.Player.EndurancePercent);
outpak190.WritePacketLength();
GSUDPPacketOut outpak = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
outpak.WriteShort((ushort)client.SessionID);
outpak.WriteShort(head);
outpak.WriteByte(steedSlot);
outpak.WriteByte(flagcontent);
outpak.WriteByte(0);
outpak.WriteByte(ridingFlag);
outpak.WriteByte((byte)(client.Player.HealthPercent + (client.Player.AttackState ? 0x80 : 0)));
outpak.WriteByte(client.Player.ManaPercent);
outpak.WriteByte(client.Player.EndurancePercent);
outpak.WriteByte(0); // unknown
outpak.WritePacketLength();
foreach (GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if (player != null && player != client.Player)
{
if (player.Client.Version == GameClient.eClientVersion.Version1127)
{
player.Out.SendUDPRaw(outpak1127);
}
else if (player.Client.Version >= GameClient.eClientVersion.Version1124)
{
player.Out.SendUDP(outpak);
}
else
{
player.Out.SendUDP(outpak190);
}
}
}
}
/// <summary>
/// Builds a NPC update packet for a normal player.
/// NOTE: Will not work with realm Peace npcs.
/// NOTE: Will not work for gm chars
/// len=24
/// </summary>
/// <returns>byte[] for packetProcessor.Send()</returns>
public static byte[] BuildNPCUpdateUDP(GameNPC npc)
{
var zone = npc.Zone;
if (zone == null)
{
if (log.IsWarnEnabled)
{
log.Warn("SendNPCUpdate: npc zone == null. npcID:" + npc.InternalID);
}
return(null);
}
var pos = npc.Position;
var currentZonePos = zone.GlobalToLocalPos(pos);
var targetZonePos = Vector3.Zero;
var speed = 0;
ushort targetZone = 0;
var flags = (byte)(GameServer.ServerRules.GetLivingRealm(null, npc) << 6);
// no name only if normal player
if (npc.Flags.HasFlag(eClientNPCFlags.CANTTARGET))
{
flags |= 0x01;
}
if (npc.Flags.HasFlag(eClientNPCFlags.DONTSHOWNAME))
{
flags |= 0x02;
}
if (npc.IsUnderwater)
{
flags |= 0x10;
}
if (npc.Flags.HasFlag(eClientNPCFlags.FLYING))
{
flags |= 0x20;
}
if (npc.IsMoving && !npc.IsOnTarget())
{
if (!npc.ClientTarget.IsZero)
{
var tz = npc.Region.GetZone(npc.ClientTarget);
if (tz != null)
{
targetZone = tz.ClientID;
targetZonePos = tz.GlobalToLocalPos(npc.ClientTarget);
}
}
}
var velocity = npc.Velocity;
var backward = npc.CurrentSpeed < 0;
speed = Math.Abs((int)new Vector3(velocity.X, velocity.Y, 0).Magnitude);
speed = Math.Min(speed, 0x7ff);
if (backward)
{
speed |= 0x800;
}
var zspeed = (int)(velocity.Z / 4);
if (zspeed < 0)
{
zspeed = -zspeed;
speed |= 0x8000;
}
speed |= (zspeed & 0x70) << 8;
PacketOut pak = new GSUDPPacketOut((byte)ePackets.NPCUpdate, 24 + 5);
pak.WriteShorts((ushort)speed, (ushort)(((zspeed & 0x0f) << 12) | (npc.Heading & 0xFFF)),
(ushort)currentZonePos.X, (ushort)targetZonePos.X, (ushort)currentZonePos.Y, (ushort)targetZonePos.Y,
(ushort)currentZonePos.Z, (ushort)targetZonePos.Z, (ushort)npc.ObjectID);
var target = npc.CurrentFollowTarget;
if (npc.AttackState && target != null && target.ObjectState == GameObject.eObjectState.Active &&
!npc.IsTurningDisabled)
{
pak.WriteShort((ushort)target.ObjectID);
}
else
{
pak.WriteShort(0x00);
}
pak.WriteByte(npc.HealthPercent);
flags |= (byte)(((zone.ClientID & 0x100) >> 6) | ((targetZone & 0x100) >> 5));
pak.WriteByte(flags);
pak.WriteByte((byte)zone.ClientID);
pak.WriteByte((byte)targetZone);
//Get the packet buffer
pak.WritePacketLength();
return(pak.GetBuffer()); //packet.WritePacketLength sets the Capacity
}
//static int lastZ=int.MinValue;
public void HandlePacket(GameClient client, GSPacketIn packet)
{
//Tiv: in very rare cases client send 0xA9 packet before sending S<=C 0xE8 player world initialize
if ((client.Player.ObjectState != GameObject.eObjectState.Active) ||
(client.ClientState != GameClient.eClientState.Playing))
{
return;
}
int environmentTick = Environment.TickCount;
int packetVersion;
if (client.Version > GameClient.eClientVersion.Version171)
{
packetVersion = 172;
}
else
{
packetVersion = 168;
}
int oldSpeed = client.Player.CurrentSpeed;
//read the state of the player
packet.Skip(2); //PID
ushort data = packet.ReadShort();
int speed = (data & 0x1FF);
// if(!GameServer.ServerRules.IsAllowedDebugMode(client)
// && (speed > client.Player.MaxSpeed + SPEED_TOL))
if ((data & 0x200) != 0)
{
speed = -speed;
}
if (client.Player.IsMezzed || client.Player.IsStunned)
{
// Nidel: updating client.Player.CurrentSpeed instead of speed
client.Player.CurrentSpeed = 0;
}
else
{
client.Player.CurrentSpeed = (short)speed;
}
client.Player.IsStrafing = ((data & 0xe000) != 0);
int realZ = packet.ReadShort();
ushort xOffsetInZone = packet.ReadShort();
ushort yOffsetInZone = packet.ReadShort();
ushort currentZoneID;
if (packetVersion == 168)
{
currentZoneID = (ushort)packet.ReadByte();
packet.Skip(1); //0x00 padding for zoneID
}
else
{
currentZoneID = packet.ReadShort();
}
//Dinberg - Instance considerations.
//Now this gets complicated, so listen up! We have told the client a lie when it comes to the zoneID.
//As a result, every movement update, they are sending a lie back to us. Two liars could get confusing!
//BUT, the lie we sent has a truth to it - the geometry and layout of the zone. As a result, the zones
//x and y offsets will still actually be relevant to our current zone. And for the clones to have been
//created, there must have been a real zone to begin with, of id == instanceZone.SkinID.
//So, although our client is lying to us, and thinks its in another zone, that zone happens to coincide
//exactly with the zone we are instancing - and so all the positions still ring true.
//Philosophically speaking, its like looking in a mirror and saying 'Am I a reflected, or reflector?'
//What it boils down to has no bearing whatsoever on the result of anything, so long as someone sitting
//outside of the unvierse knows not to listen to whether you say which you are, and knows the truth to the
//answer. Then, he need only know what you are doing ;)
Zone newZone = WorldMgr.GetZone(currentZoneID);
if (newZone == null)
{
if (client.Player == null)
{
return;
}
if (!client.Player.TempProperties.getProperty("isbeingbanned", false))
{
if (log.IsErrorEnabled)
{
log.Error(client.Player.Name + "'s position in unknown zone! => " + currentZoneID);
}
GamePlayer player = client.Player;
player.TempProperties.setProperty("isbeingbanned", true);
player.MoveToBind();
}
return; // TODO: what should we do? player lost in space
}
// move to bind if player fell through the floor
if (realZ == 0)
{
client.Player.MoveTo(
(ushort)client.Player.BindRegion,
client.Player.BindXpos,
client.Player.BindYpos,
(ushort)client.Player.BindZpos,
(ushort)client.Player.BindHeading
);
return;
}
int realX = newZone.XOffset + xOffsetInZone;
int realY = newZone.YOffset + yOffsetInZone;
bool zoneChange = newZone != client.Player.LastPositionUpdateZone;
if (zoneChange)
{
//If the region changes -> make sure we don't take any falling damage
if (client.Player.LastPositionUpdateZone != null && newZone.ZoneRegion.ID != client.Player.LastPositionUpdateZone.ZoneRegion.ID)
{
client.Player.MaxLastZ = int.MinValue;
}
// Update water level and diving flag for the new zone
client.Out.SendPlayerPositionAndObjectID();
zoneChange = true;
/*
* "You have entered Burial Tomb."
* "Burial Tomb"
* "Current area is adjusted for one level 1 player."
* "Current area has a 50% instance bonus."
*/
string description = newZone.Description;
string screenDescription = description;
var translation = client.GetTranslation(newZone) as DBLanguageZone;
if (translation != null)
{
if (!Util.IsEmpty(translation.Description))
{
description = translation.Description;
}
if (!Util.IsEmpty(translation.ScreenDescription))
{
screenDescription = translation.ScreenDescription;
}
}
client.Out.SendMessage(LanguageMgr.GetTranslation(client.Account.Language, "PlayerPositionUpdateHandler.Entered", description),
eChatType.CT_System, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(screenDescription, eChatType.CT_ScreenCenterSmaller, eChatLoc.CL_SystemWindow);
client.Player.LastPositionUpdateZone = newZone;
}
int coordsPerSec = 0;
int jumpDetect = 0;
int timediff = Environment.TickCount - client.Player.LastPositionUpdateTick;
int distance = 0;
if (timediff > 0)
{
distance = client.Player.LastPositionUpdatePoint.GetDistanceTo(new Point3D(realX, realY, realZ));
coordsPerSec = distance * 1000 / timediff;
if (distance < 100 && client.Player.LastPositionUpdatePoint.Z > 0)
{
jumpDetect = realZ - client.Player.LastPositionUpdatePoint.Z;
}
}
#region DEBUG
#if OUTPUT_DEBUG_INFO
if (client.Player.LastPositionUpdatePoint.X != 0 && client.Player.LastPositionUpdatePoint.Y != 0)
{
log.Debug(client.Player.Name + ": distance = " + distance + ", speed = " + oldSpeed + ", coords/sec=" + coordsPerSec);
}
if (jumpDetect > 0)
{
log.Debug(client.Player.Name + ": jumpdetect = " + jumpDetect);
}
#endif
#endregion DEBUG
client.Player.LastPositionUpdateTick = Environment.TickCount;
client.Player.LastPositionUpdatePoint.X = realX;
client.Player.LastPositionUpdatePoint.Y = realY;
client.Player.LastPositionUpdatePoint.Z = realZ;
int tolerance = ServerProperties.Properties.CPS_TOLERANCE;
if (client.Player.Steed != null && client.Player.Steed.MaxSpeed > 0)
{
tolerance += client.Player.Steed.MaxSpeed;
}
else if (client.Player.MaxSpeed > 0)
{
tolerance += client.Player.MaxSpeed;
}
if (client.Player.IsJumping)
{
coordsPerSec = 0;
jumpDetect = 0;
client.Player.IsJumping = false;
}
if (client.Player.IsAllowedToFly == false && (coordsPerSec > tolerance || jumpDetect > ServerProperties.Properties.JUMP_TOLERANCE))
{
bool isHackDetected = true;
if (coordsPerSec > tolerance)
{
// check to see if CPS time tolerance is exceeded
int lastCPSTick = client.Player.TempProperties.getProperty <int>(LASTCPSTICK, 0);
if (environmentTick - lastCPSTick > ServerProperties.Properties.CPS_TIME_TOLERANCE)
{
isHackDetected = false;
}
}
if (isHackDetected)
{
StringBuilder builder = new StringBuilder();
builder.Append("MOVEHACK_DETECT");
builder.Append(": CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
builder.Append(" CPS:=");
builder.Append(coordsPerSec);
builder.Append(" JT=");
builder.Append(jumpDetect);
ChatUtil.SendDebugMessage(client, builder.ToString());
if (client.Account.PrivLevel == 1)
{
GameServer.Instance.LogCheatAction(builder.ToString());
if (ServerProperties.Properties.ENABLE_MOVEDETECT)
{
if (ServerProperties.Properties.BAN_HACKERS && false) // banning disabled until this technique is proven accurate
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban MOVEHACK:(CPS:{0}, JT:{1}) on player:{2}", coordsPerSec, jumpDetect, client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
string message = "";
message = "You have been auto kicked and banned due to movement hack detection!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
else
{
string message = "";
message = "You have been auto kicked due to movement hack detection!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
client.Disconnect();
return;
}
}
}
client.Player.TempProperties.setProperty(LASTCPSTICK, environmentTick);
}
ushort headingflag = packet.ReadShort();
client.Player.Heading = (ushort)(headingflag & 0xFFF);
ushort flyingflag = packet.ReadShort();
byte flags = (byte)packet.ReadByte();
if (client.Player.X != realX || client.Player.Y != realY)
{
client.Player.TempProperties.setProperty(LASTMOVEMENTTICK, client.Player.CurrentRegion.Time);
}
client.Player.X = realX;
client.Player.Y = realY;
client.Player.Z = realZ;
if (zoneChange)
{
// update client zone information for waterlevel and diving
client.Out.SendPlayerPositionAndObjectID();
}
// used to predict current position, should be before
// any calculation (like fall damage)
client.Player.MovementStartTick = Environment.TickCount;
// Begin ---------- New Area System -----------
if (client.Player.CurrentRegion.Time > client.Player.AreaUpdateTick) // check if update is needed
{
var oldAreas = client.Player.CurrentAreas;
// Because we may be in an instance we need to do the area check from the current region
// rather than relying on the zone which is in the skinned region. - Tolakram
var newAreas = client.Player.CurrentRegion.GetAreasOfZone(newZone, client.Player);
// Check for left areas
if (oldAreas != null)
{
foreach (IArea area in oldAreas)
{
if (!newAreas.Contains(area))
{
area.OnPlayerLeave(client.Player);
}
}
}
// Check for entered areas
foreach (IArea area in newAreas)
{
if (oldAreas == null || !oldAreas.Contains(area))
{
area.OnPlayerEnter(client.Player);
}
}
// set current areas to new one...
client.Player.CurrentAreas = newAreas;
client.Player.AreaUpdateTick = client.Player.CurrentRegion.Time + 2000; // update every 2 seconds
}
// End ---------- New Area System -----------
client.Player.TargetInView = ((flags & 0x10) != 0);
client.Player.GroundTargetInView = ((flags & 0x08) != 0);
client.Player.IsTorchLighted = ((flags & 0x80) != 0);
//7 6 5 4 3 2 1 0
//15 14 13 12 11 10 9 8
// 1 1
const string SHLASTUPDATETICK = "SHPLAYERPOSITION_LASTUPDATETICK";
const string SHLASTFLY = "SHLASTFLY_STRING";
const string SHLASTSTATUS = "SHLASTSTATUS_STRING";
int SHlastTick = client.Player.TempProperties.getProperty <int>(SHLASTUPDATETICK);
int SHlastFly = client.Player.TempProperties.getProperty <int>(SHLASTFLY);
int SHlastStatus = client.Player.TempProperties.getProperty <int>(SHLASTSTATUS);
int SHcount = client.Player.TempProperties.getProperty <int>(SHSPEEDCOUNTER);
int status = (data & 0x1FF ^ data) >> 8;
int fly = (flyingflag & 0x1FF ^ flyingflag) >> 8;
if (client.Player.IsJumping)
{
SHcount = 0;
}
if (SHlastTick != 0 && SHlastTick != environmentTick)
{
if (((SHlastStatus == status || (status & 0x8) == 0)) && ((fly & 0x80) != 0x80) && (SHlastFly == fly || (SHlastFly & 0x10) == (fly & 0x10) || !((((SHlastFly & 0x10) == 0x10) && ((fly & 0x10) == 0x0) && (flyingflag & 0x7FF) > 0))))
{
if ((environmentTick - SHlastTick) < 400)
{
SHcount++;
if (SHcount > 1 && client.Account.PrivLevel > 1)
{
//Apo: ?? no idea how to name the first parameter for language translation: 1: ??, 2: {detected} ?, 3: {count} ?
client.Out.SendMessage(string.Format("SH: ({0}) detected: {1}, count {2}", 500 / (environmentTick - SHlastTick), environmentTick - SHlastTick, SHcount), eChatType.CT_Staff, eChatLoc.CL_SystemWindow);
}
if (SHcount % 5 == 0)
{
StringBuilder builder = new StringBuilder();
builder.Append("TEST_SH_DETECT[");
builder.Append(SHcount);
builder.Append("] (");
builder.Append(environmentTick - SHlastTick);
builder.Append("): CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
GameServer.Instance.LogCheatAction(builder.ToString());
if (client.Account.PrivLevel > 1)
{
client.Out.SendMessage("SH: Logging SH cheat.", eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
if (SHcount >= ServerProperties.Properties.SPEEDHACK_TOLERANCE)
{
client.Out.SendMessage("SH: Player would have been banned!", eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
}
}
if ((client.Account.PrivLevel == 1) && SHcount >= ServerProperties.Properties.SPEEDHACK_TOLERANCE)
{
if (ServerProperties.Properties.BAN_HACKERS)
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban SH:({0},{1}) on player:{2}", SHcount, environmentTick - SHlastTick, client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
string message = "";
message = "You have been auto kicked and banned for speed hacking!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
else
{
string message = "";
message = "You have been auto kicked for speed hacking!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
client.Disconnect();
return;
}
}
}
else
{
SHcount = 0;
}
SHlastTick = environmentTick;
}
}
else
{
SHlastTick = environmentTick;
}
int state = ((data >> 10) & 7);
client.Player.IsClimbing = (state == 7);
client.Player.IsSwimming = (state == 1);
if (state == 3 && client.Player.TempProperties.getProperty <bool>(GamePlayer.DEBUG_MODE_PROPERTY, false) == false && client.Player.IsAllowedToFly == false) //debugFly on, but player not do /debug on (hack)
{
StringBuilder builder = new StringBuilder();
builder.Append("HACK_FLY");
builder.Append(": CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
GameServer.Instance.LogCheatAction(builder.ToString());
{
if (ServerProperties.Properties.BAN_HACKERS)
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban flying hack: on player:{0}", client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
}
string message = "";
message = "Client Hack Detected!";
for (int i = 0; i < 6; i++)
{
client.Out.SendMessage(message, eChatType.CT_System, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_System, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Disconnect();
return;
}
}
SHlastFly = fly;
SHlastStatus = status;
client.Player.TempProperties.setProperty(SHLASTUPDATETICK, SHlastTick);
client.Player.TempProperties.setProperty(SHLASTFLY, SHlastFly);
client.Player.TempProperties.setProperty(SHLASTSTATUS, SHlastStatus);
client.Player.TempProperties.setProperty(SHSPEEDCOUNTER, SHcount);
lock (client.Player.LastUniqueLocations)
{
GameLocation[] locations = client.Player.LastUniqueLocations;
GameLocation loc = locations[0];
if (loc.X != realX || loc.Y != realY || loc.Z != realZ || loc.RegionID != client.Player.CurrentRegionID)
{
loc = locations[locations.Length - 1];
Array.Copy(locations, 0, locations, 1, locations.Length - 1);
locations[0] = loc;
loc.X = realX;
loc.Y = realY;
loc.Z = realZ;
loc.Heading = client.Player.Heading;
loc.RegionID = client.Player.CurrentRegionID;
}
}
//**************//
//FALLING DAMAGE//
//**************//
if (GameServer.ServerRules.CanTakeFallDamage(client.Player) && client.Player.IsSwimming == false)
{
int maxLastZ = client.Player.MaxLastZ;
/* Are we on the ground? */
if ((flyingflag >> 15) != 0)
{
int safeFallLevel = client.Player.GetAbilityLevel(Abilities.SafeFall);
int fallSpeed = (flyingflag & 0xFFF) - 100 * safeFallLevel; // 0x7FF fall speed and 0x800 bit = fall speed overcaped
int fallMinSpeed = 400;
int fallDivide = 6;
if (client.Version >= GameClient.eClientVersion.Version188)
{
fallMinSpeed = 500;
fallDivide = 15;
}
int fallPercent = Math.Min(99, (fallSpeed - (fallMinSpeed + 1)) / fallDivide);
if (fallSpeed > fallMinSpeed)
{
client.Out.SendMessage(LanguageMgr.GetTranslation(client.Account.Language, "PlayerPositionUpdateHandler.FallingDamage"),
eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
client.Player.CalcFallDamage(fallPercent);
}
client.Player.MaxLastZ = client.Player.Z;
}
else
{
// always set Z if on the ground
if (flyingflag == 0)
{
client.Player.MaxLastZ = client.Player.Z;
}
// set Z if in air and higher than old Z
else if (maxLastZ < client.Player.Z)
{
client.Player.MaxLastZ = client.Player.Z;
}
}
}
//**************//
byte[] con168 = packet.ToArray();
//Riding is set here!
if (client.Player.Steed != null && client.Player.Steed.ObjectState == GameObject.eObjectState.Active)
{
client.Player.Heading = client.Player.Steed.Heading;
con168[2] = 0x18; // Set ride flag 00011000
con168[3] = 0; // player speed = 0 while ride
con168[12] = (byte)(client.Player.Steed.ObjectID >> 8); //heading = steed ID
con168[13] = (byte)(client.Player.Steed.ObjectID & 0xFF);
con168[14] = (byte)0;
con168[15] = (byte)(client.Player.Steed.RiderSlot(client.Player)); // there rider slot this player
}
else if (!client.Player.IsAlive)
{
con168[2] &= 0xE3; //11100011
con168[2] |= 0x14; //Set dead flag 00010100
}
//diving is set here
con168[16] &= 0xFB; //11 11 10 11
if ((con168[16] & 0x02) != 0x00)
{
client.Player.IsDiving = true;
con168[16] |= 0x04;
}
else
{
client.Player.IsDiving = false;
}
con168[16] &= 0xFC; //11 11 11 00 cleared Wireframe & Stealth bits
if (client.Player.IsWireframe)
{
con168[16] |= 0x01;
}
//stealth is set here
if (client.Player.IsStealthed)
{
con168[16] |= 0x02;
}
con168[17] = (byte)((con168[17] & 0x80) | client.Player.HealthPercent);
// zone ID has changed in 1.72, fix bytes 11 and 12
byte[] con172 = (byte[])con168.Clone();
if (packetVersion == 168)
{
// client sent v168 pos update packet, fix 172 version
con172[10] = 0;
con172[11] = con168[10];
}
else
{
// client sent v172 pos update packet, fix 168 version
con168[10] = con172[11];
con168[11] = 0;
}
GSUDPPacketOut outpak168 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
//Now copy the whole content of the packet
outpak168.Write(con168, 0, 18 /*con168.Length*/);
outpak168.WritePacketLength();
GSUDPPacketOut outpak172 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
//Now copy the whole content of the packet
outpak172.Write(con172, 0, 18 /*con172.Length*/);
outpak172.WritePacketLength();
// byte[] pak168 = outpak168.GetBuffer();
// byte[] pak172 = outpak172.GetBuffer();
// outpak168 = null;
// outpak172 = null;
GSUDPPacketOut outpak190 = null;
GSUDPPacketOut outpak1112 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
outpak1112.Write(con172, 0, 18 /*con172.Length*/);
outpak1112.WriteByte(client.Player.ManaPercent);
outpak1112.WriteByte(client.Player.EndurancePercent);
outpak1112.WriteByte((byte)(client.Player.RPFlag ? 1 : 0));
outpak1112.WriteByte(0); //outpak1112.WriteByte((con168.Length == 22) ? con168[21] : (byte)0);
outpak1112.WritePacketLength();
foreach (GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if (player == null)
{
continue;
}
//No position updates for ourselves
if (player == client.Player)
{
// Update Player Cache (Client sending Packet is admitting he's already having it)
player.Client.GameObjectUpdateArray[new Tuple <ushort, ushort>(client.Player.CurrentRegionID, (ushort)client.Player.ObjectID)] = GameTimer.GetTickCount();
continue;
}
//no position updates in different houses
if ((client.Player.InHouse || player.InHouse) && player.CurrentHouse != client.Player.CurrentHouse)
{
continue;
}
if (client.Player.MinotaurRelic != null)
{
MinotaurRelic relic = client.Player.MinotaurRelic;
if (!relic.Playerlist.Contains(player) && player != client.Player)
{
relic.Playerlist.Add(player);
player.Out.SendMinotaurRelicWindow(client.Player, client.Player.MinotaurRelic.Effect, true);
}
}
if (!client.Player.IsStealthed || player.CanDetect(client.Player))
{
// Update Player Cache
player.Client.GameObjectUpdateArray[new Tuple <ushort, ushort>(client.Player.CurrentRegionID, (ushort)client.Player.ObjectID)] = GameTimer.GetTickCount();
//forward the position packet like normal!
if (player.Client.Version >= GameClient.eClientVersion.Version1112)
{
player.Out.SendUDPRaw(outpak1112);
}
else if (player.Client.Version >= GameClient.eClientVersion.Version190)
{
if (outpak190 == null)
{
outpak190 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
outpak190.Write(con172, 0, 18 /*con172.Length*/);
outpak190.WriteByte(client.Player.ManaPercent);
outpak190.WriteByte(client.Player.EndurancePercent);
outpak190.FillString(client.Player.CharacterClass.Name, 32);
// roleplay flag, if == 1, show name (RP) with gray color
if (client.Player.RPFlag)
{
outpak190.WriteByte(1);
}
else
{
outpak190.WriteByte(0);
}
outpak190.WriteByte((con168.Length == 54) ? con168[53] : (byte)0); // send last byte for 190+ packets
outpak190.WritePacketLength();
}
player.Out.SendUDPRaw(outpak190);
}
else if (player.Client.Version >= GameClient.eClientVersion.Version172)
{
player.Out.SendUDPRaw(outpak172);
}
else
{
player.Out.SendUDPRaw(outpak168);
}
}
else
{
player.Out.SendObjectDelete(client.Player); //remove the stealthed player from view
}
}
if (client.Player.CharacterClass.ID == (int)eCharacterClass.Warlock)
{
//Send Chamber effect
client.Player.Out.SendWarlockChamberEffect(client.Player);
}
//handle closing of windows
//trade window
if (client.Player.TradeWindow != null)
{
if (client.Player.TradeWindow.Partner != null)
{
if (!client.Player.IsWithinRadius(client.Player.TradeWindow.Partner, WorldMgr.GIVE_ITEM_DISTANCE))
{
client.Player.TradeWindow.CloseTrade();
}
}
}
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
if (client == null || client.Player == null)
return;
if (client.Player.ObjectState != GameObject.eObjectState.Active) return;
ushort sessionId = packet.ReadShort(); // session ID
if (client.SessionID != sessionId)
{
// GameServer.BanAccount(client, 120, "Hack sessionId", string.Format("Wrong sessionId:0x{0} in 0xBA packet (SessionID:{1})", sessionId, client.SessionID));
return; // client hack
}
ushort head = packet.ReadShort();
client.Player.Heading = (ushort)(head & 0xFFF);
packet.Skip(1); // unknown
int flags = packet.ReadByte();
// client.Player.PetInView = ((flags & 0x04) != 0); // TODO
client.Player.GroundTargetInView = ((flags & 0x08) != 0);
client.Player.TargetInView = ((flags & 0x10) != 0);
byte[] con = packet.ToArray();
if (!client.Player.IsAlive)
{
con[9] = 5; // set dead state
}
else if (client.Player.Steed != null && client.Player.Steed.ObjectState == GameObject.eObjectState.Active)
{
client.Player.Heading = client.Player.Steed.Heading;
con[9] = 6; // Set ride state
con[7] = (byte)(client.Player.Steed.RiderSlot(client.Player)); // there rider slot this player
con[2] = (byte)(client.Player.Steed.ObjectID >> 8); //heading = steed ID
con[3] = (byte)(client.Player.Steed.ObjectID & 0xFF);
}
con[5] &= 0xC0; //11 00 00 00 = 0x80(Torch) + 0x40(Unknown), all other in view check's not need send anyone
if (client.Player.IsWireframe)
{
con[5] |= 0x01;
}
//stealth is set here
if (client.Player.IsStealthed)
{
con[5] |= 0x02;
}
con[8] = (byte)((con[8] & 0x80) | client.Player.HealthPercent);
GSUDPPacketOut outpak = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
//Now copy the whole content of the packet
outpak.Write(con, 0, /*con.Length*/10);
outpak.WritePacketLength();
GSUDPPacketOut outpak190 = null;
// byte[] outp = outpak.GetBuffer();
// outpak = null;
foreach(GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if(player != null && player != client.Player)
{
if (player.Client.Version >= GameClient.eClientVersion.Version190)
{
if (outpak190 == null)
{
outpak190 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
byte[] con190 = (byte[]) con.Clone();
//Now copy the whole content of the packet
outpak190.Write(con190, 0, /*con190.Lenght*/10);
outpak190.WriteByte(client.Player.ManaPercent);
outpak190.WriteByte(client.Player.EndurancePercent);
outpak190.WritePacketLength();
// byte[] outp190 = outpak190.GetBuffer();
// outpak190 = null;// ?
}
player.Out.SendUDPRaw(outpak190);
}
else
player.Out.SendUDPRaw(outpak);
}
}
}
public void SendUDP(GSUDPPacketOut packet)
{
}
//static int lastZ=int.MinValue;
public void HandlePacket(GameClient client, GSPacketIn packet)
{
//Tiv: in very rare cases client send 0xA9 packet before sending S<=C 0xE8 player world initialize
if ((client.Player.ObjectState != GameObject.eObjectState.Active) ||
(client.ClientState != GameClient.eClientState.Playing))
return;
int environmentTick = Environment.TickCount;
int packetVersion;
if (client.Version > GameClient.eClientVersion.Version171)
{
packetVersion = 172;
}
else
{
packetVersion = 168;
}
int oldSpeed = client.Player.CurrentSpeed;
//read the state of the player
packet.Skip(2); //PID
ushort data = packet.ReadShort();
int speed = (data & 0x1FF);
// if(!GameServer.ServerRules.IsAllowedDebugMode(client)
// && (speed > client.Player.MaxSpeed + SPEED_TOL))
if ((data & 0x200) != 0)
speed = -speed;
if (client.Player.IsMezzed || client.Player.IsStunned)
{
// Nidel: updating client.Player.CurrentSpeed instead of speed
client.Player.CurrentSpeed = 0;
}
else
{
client.Player.CurrentSpeed = (short)speed;
}
client.Player.IsStrafing = ((data & 0xe000) != 0);
int realZ = packet.ReadShort();
ushort xOffsetInZone = packet.ReadShort();
ushort yOffsetInZone = packet.ReadShort();
ushort currentZoneID;
if (packetVersion == 168)
{
currentZoneID = (ushort)packet.ReadByte();
packet.Skip(1); //0x00 padding for zoneID
}
else
{
currentZoneID = packet.ReadShort();
}
//Dinberg - Instance considerations.
//Now this gets complicated, so listen up! We have told the client a lie when it comes to the zoneID.
//As a result, every movement update, they are sending a lie back to us. Two liars could get confusing!
//BUT, the lie we sent has a truth to it - the geometry and layout of the zone. As a result, the zones
//x and y offsets will still actually be relevant to our current zone. And for the clones to have been
//created, there must have been a real zone to begin with, of id == instanceZone.SkinID.
//So, although our client is lying to us, and thinks its in another zone, that zone happens to coincide
//exactly with the zone we are instancing - and so all the positions still ring true.
//Philosophically speaking, its like looking in a mirror and saying 'Am I a reflected, or reflector?'
//What it boils down to has no bearing whatsoever on the result of anything, so long as someone sitting
//outside of the unvierse knows not to listen to whether you say which you are, and knows the truth to the
//answer. Then, he need only know what you are doing ;)
Zone newZone = WorldMgr.GetZone(currentZoneID);
if (newZone == null)
{
if (client.Player == null) return;
if (!client.Player.TempProperties.getProperty("isbeingbanned", false))
{
if (log.IsErrorEnabled)
log.Error(client.Player.Name + "'s position in unknown zone! => " + currentZoneID);
GamePlayer player = client.Player;
player.TempProperties.setProperty("isbeingbanned", true);
player.MoveToBind();
}
return; // TODO: what should we do? player lost in space
}
// move to bind if player fell through the floor
if (realZ == 0)
{
client.Player.MoveTo(
(ushort)client.Player.DBCharacter.BindRegion,
client.Player.DBCharacter.BindXpos,
client.Player.DBCharacter.BindYpos,
(ushort)client.Player.DBCharacter.BindZpos,
(ushort)client.Player.DBCharacter.BindHeading
);
return;
}
int realX = newZone.XOffset + xOffsetInZone;
int realY = newZone.YOffset + yOffsetInZone;
bool zoneChange = newZone != client.Player.LastPositionUpdateZone;
if (zoneChange)
{
//If the region changes -> make sure we don't take any falling damage
if (client.Player.LastPositionUpdateZone != null && newZone.ZoneRegion.ID != client.Player.LastPositionUpdateZone.ZoneRegion.ID)
client.Player.MaxLastZ = int.MinValue;
// Update water level and diving flag for the new zone
client.Out.SendPlayerPositionAndObjectID();
zoneChange = true;
/*
* "You have entered Burial Tomb."
* "Burial Tomb"
* "Current area is adjusted for one level 1 player."
* "Current area has a 50% instance bonus."
*/
string description = newZone.Description;
string screenDescription = description;
DataObject translation = LanguageMgr.GetTranslation(client, newZone);
if (translation != null)
{
if (!Util.IsEmpty(((DBLanguageZone)translation).Description))
description = ((DBLanguageZone)translation).Description;
if (!Util.IsEmpty(((DBLanguageZone)translation).ScreenDescription))
screenDescription = ((DBLanguageZone)translation).ScreenDescription;
}
client.Out.SendMessage(LanguageMgr.GetTranslation(client, "PlayerPositionUpdateHandler.Entered", description),
eChatType.CT_System, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(screenDescription, eChatType.CT_ScreenCenterSmaller, eChatLoc.CL_SystemWindow);
client.Player.LastPositionUpdateZone = newZone;
}
int coordsPerSec = 0;
int jumpDetect = 0;
int timediff = Environment.TickCount - client.Player.LastPositionUpdateTick;
int distance = 0;
if (timediff > 0)
{
distance = client.Player.LastPositionUpdatePoint.GetDistanceTo(new Point3D(realX, realY, realZ));
coordsPerSec = distance * 1000 / timediff;
if (distance < 100 && client.Player.LastPositionUpdatePoint.Z > 0)
{
jumpDetect = realZ - client.Player.LastPositionUpdatePoint.Z;
}
}
#region DEBUG
#if OUTPUT_DEBUG_INFO
if (client.Player.LastPositionUpdatePoint.X != 0 && client.Player.LastPositionUpdatePoint.Y != 0)
{
log.Debug(client.Player.Name + ": distance = " + distance + ", speed = " + oldSpeed + ", coords/sec=" + coordsPerSec);
}
if (jumpDetect > 0)
{
log.Debug(client.Player.Name + ": jumpdetect = " + jumpDetect);
}
#endif
#endregion DEBUG
client.Player.LastPositionUpdateTick = Environment.TickCount;
client.Player.LastPositionUpdatePoint.X = realX;
client.Player.LastPositionUpdatePoint.Y = realY;
client.Player.LastPositionUpdatePoint.Z = realZ;
int tolerance = ServerProperties.Properties.CPS_TOLERANCE;
if (client.Player.Steed != null && client.Player.Steed.MaxSpeed > 0)
{
tolerance += client.Player.Steed.MaxSpeed;
}
else if (client.Player.MaxSpeed > 0)
{
tolerance += client.Player.MaxSpeed;
}
if (client.Player.IsJumping)
{
coordsPerSec = 0;
jumpDetect = 0;
client.Player.IsJumping = false;
}
if (client.Player.CanFly == false && (coordsPerSec > tolerance || jumpDetect > ServerProperties.Properties.JUMP_TOLERANCE))
{
bool isHackDetected = true;
if (coordsPerSec > tolerance)
{
// check to see if CPS time tolerance is exceeded
int lastCPSTick = client.Player.TempProperties.getProperty<int>(LASTCPSTICK, 0);
if (environmentTick - lastCPSTick > ServerProperties.Properties.CPS_TIME_TOLERANCE)
{
isHackDetected = false;
}
}
if (isHackDetected)
{
StringBuilder builder = new StringBuilder();
builder.Append("MOVEHACK_DETECT");
builder.Append(": CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
builder.Append(" CPS:=");
builder.Append(coordsPerSec);
builder.Append(" JT=");
builder.Append(jumpDetect);
ChatUtil.SendDebugMessage(client, builder.ToString());
if (client.Account.PrivLevel == 1)
{
GameServer.Instance.LogCheatAction(builder.ToString());
if (ServerProperties.Properties.ENABLE_MOVEDETECT)
{
if (ServerProperties.Properties.BAN_HACKERS && false) // banning disabled until this technique is proven accurate
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban MOVEHACK:(CPS:{0}, JT:{1}) on player:{2}", coordsPerSec, jumpDetect, client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
string message = "";
message = "You have been auto kicked and banned due to movement hack detection!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
else
{
string message = "";
message = "You have been auto kicked due to movement hack detection!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
client.Disconnect();
return;
}
}
}
client.Player.TempProperties.setProperty(LASTCPSTICK, environmentTick);
}
ushort headingflag = packet.ReadShort();
client.Player.Heading = (ushort)(headingflag & 0xFFF);
ushort flyingflag = packet.ReadShort();
byte flags = (byte)packet.ReadByte();
if (client.Player.X != realX || client.Player.Y != realY)
{
client.Player.TempProperties.setProperty(LASTMOVEMENTTICK, client.Player.CurrentRegion.Time);
}
client.Player.X = realX;
client.Player.Y = realY;
client.Player.Z = realZ;
if (zoneChange)
{
// update client zone information for waterlevel and diving
client.Out.SendPlayerPositionAndObjectID();
}
// used to predict current position, should be before
// any calculation (like fall damage)
client.Player.MovementStartTick = Environment.TickCount;
// Begin ---------- New Area System -----------
if (client.Player.CurrentRegion.Time > client.Player.AreaUpdateTick) // check if update is needed
{
IList oldAreas = client.Player.CurrentAreas;
// Because we may be in an instance we need to do the area check from the current region
// rather than relying on the zone which is in the skinned region. - Tolakram
IList newAreas = client.Player.CurrentRegion.GetAreasOfZone(newZone, client.Player);
// Check for left areas
if (oldAreas != null)
{
foreach (IArea area in oldAreas)
{
if (!newAreas.Contains(area))
{
area.OnPlayerLeave(client.Player);
}
}
}
// Check for entered areas
foreach (IArea area in newAreas)
{
if (oldAreas == null || !oldAreas.Contains(area))
{
area.OnPlayerEnter(client.Player);
}
}
// set current areas to new one...
client.Player.CurrentAreas = newAreas;
client.Player.AreaUpdateTick = client.Player.CurrentRegion.Time + 2000; // update every 2 seconds
}
// End ---------- New Area System -----------
client.Player.TargetInView = ((flags & 0x10) != 0);
client.Player.GroundTargetInView = ((flags & 0x08) != 0);
//7 6 5 4 3 2 1 0
//15 14 13 12 11 10 9 8
// 1 1
const string SHLASTUPDATETICK = "SHPLAYERPOSITION_LASTUPDATETICK";
const string SHLASTFLY = "SHLASTFLY_STRING";
const string SHLASTSTATUS = "SHLASTSTATUS_STRING";
int SHlastTick = client.Player.TempProperties.getProperty<int>(SHLASTUPDATETICK);
int SHlastFly = client.Player.TempProperties.getProperty<int>(SHLASTFLY);
int SHlastStatus = client.Player.TempProperties.getProperty<int>(SHLASTSTATUS);
int SHcount = client.Player.TempProperties.getProperty<int>(SHSPEEDCOUNTER);
int status = (data & 0x1FF ^ data) >> 8;
int fly = (flyingflag & 0x1FF ^ flyingflag) >> 8;
if (client.Player.IsJumping)
{
SHcount = 0;
}
if (SHlastTick != 0 && SHlastTick != environmentTick)
{
if (((SHlastStatus == status || (status & 0x8) == 0)) && ((fly & 0x80) != 0x80) && (SHlastFly == fly || (SHlastFly & 0x10) == (fly & 0x10) || !((((SHlastFly & 0x10) == 0x10) && ((fly & 0x10) == 0x0) && (flyingflag & 0x7FF) > 0))))
{
if ((environmentTick - SHlastTick) < 400)
{
SHcount++;
if (SHcount > 1 && client.Account.PrivLevel > 1)
{
//Apo: ?? no idea how to name the first parameter for language translation: 1: ??, 2: {detected} ?, 3: {count} ?
client.Out.SendMessage(string.Format("SH: ({0}) detected: {1}, count {2}", 500 / (environmentTick - SHlastTick), environmentTick - SHlastTick, SHcount), eChatType.CT_Staff, eChatLoc.CL_SystemWindow);
}
if (SHcount % 5 == 0)
{
StringBuilder builder = new StringBuilder();
builder.Append("TEST_SH_DETECT[");
builder.Append(SHcount);
builder.Append("] (");
builder.Append(environmentTick - SHlastTick);
builder.Append("): CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
GameServer.Instance.LogCheatAction(builder.ToString());
if (client.Account.PrivLevel > 1)
{
client.Out.SendMessage("SH: Logging SH cheat.", eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
if (SHcount >= ServerProperties.Properties.SPEEDHACK_TOLERANCE)
client.Out.SendMessage("SH: Player would have been banned!", eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
}
if ((client.Account.PrivLevel == 1) && SHcount >= ServerProperties.Properties.SPEEDHACK_TOLERANCE)
{
if (ServerProperties.Properties.BAN_HACKERS)
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban SH:({0},{1}) on player:{2}", SHcount, environmentTick - SHlastTick, client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
string message = "";
message = "You have been auto kicked and banned for speed hacking!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
else
{
string message = "";
message = "You have been auto kicked for speed hacking!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
client.Disconnect();
return;
}
}
}
else
{
SHcount = 0;
}
SHlastTick = environmentTick;
}
}
else
{
SHlastTick = environmentTick;
}
int state = ((data >> 10) & 7);
client.Player.IsClimbing = (state == 7);
client.Player.IsSwimming = (state == 1);
if (state == 3 && client.Player.TempProperties.getProperty<object>(GamePlayer.DEBUG_MODE_PROPERTY, null) == null && !client.Player.CanFly) //debugFly on, but player not do /debug on (hack)
{
StringBuilder builder = new StringBuilder();
builder.Append("HACK_FLY");
builder.Append(": CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
GameServer.Instance.LogCheatAction(builder.ToString());
{
if (ServerProperties.Properties.BAN_HACKERS)
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban flying hack: on player:{0}", client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
}
string message = "";
message = "Client Hack Detected!";
for (int i = 0; i < 6; i++)
{
client.Out.SendMessage(message, eChatType.CT_System, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_System, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Disconnect();
return;
}
}
SHlastFly = fly;
SHlastStatus = status;
client.Player.TempProperties.setProperty(SHLASTUPDATETICK, SHlastTick);
client.Player.TempProperties.setProperty(SHLASTFLY, SHlastFly);
client.Player.TempProperties.setProperty(SHLASTSTATUS, SHlastStatus);
client.Player.TempProperties.setProperty(SHSPEEDCOUNTER, SHcount);
lock (client.Player.LastUniqueLocations)
{
GameLocation[] locations = client.Player.LastUniqueLocations;
GameLocation loc = locations[0];
if (loc.X != realX || loc.Y != realY || loc.Z != realZ || loc.RegionID != client.Player.CurrentRegionID)
{
loc = locations[locations.Length - 1];
Array.Copy(locations, 0, locations, 1, locations.Length - 1);
locations[0] = loc;
loc.X = realX;
loc.Y = realY;
loc.Z = realZ;
loc.Heading = client.Player.Heading;
loc.RegionID = client.Player.CurrentRegionID;
}
}
//**************//
//FALLING DAMAGE//
//**************//
if (GameServer.ServerRules.CanTakeFallDamage(client.Player) && client.Player.IsSwimming == false)
{
int maxLastZ = client.Player.MaxLastZ;
/* Are we on the ground? */
if ((flyingflag >> 15) != 0)
{
int safeFallLevel = client.Player.GetAbilityLevel(Abilities.SafeFall);
int fallSpeed = (flyingflag & 0xFFF) - 100 * safeFallLevel; // 0x7FF fall speed and 0x800 bit = fall speed overcaped
int fallMinSpeed = 400;
int fallDivide = 6;
if (client.Version >= GameClient.eClientVersion.Version188)
{
fallMinSpeed = 500;
fallDivide = 15;
}
int fallPercent = Math.Min(99, (fallSpeed - (fallMinSpeed + 1)) / fallDivide);
if (fallSpeed > fallMinSpeed)
{
client.Out.SendMessage(LanguageMgr.GetTranslation(client, "PlayerPositionUpdateHandler.FallingDamage"),
eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
client.Player.CalcFallDamage(fallPercent);
}
client.Player.MaxLastZ = client.Player.Z;
}
else
{
// always set Z if on the ground
if (flyingflag == 0)
client.Player.MaxLastZ = client.Player.Z;
// set Z if in air and higher than old Z
else if (maxLastZ < client.Player.Z)
client.Player.MaxLastZ = client.Player.Z;
}
}
//**************//
byte[] con168 = packet.ToArray();
//Riding is set here!
if (client.Player.Steed != null && client.Player.Steed.ObjectState == GameObject.eObjectState.Active)
{
client.Player.Heading = client.Player.Steed.Heading;
con168[2] = 0x18; // Set ride flag 00011000
con168[3] = 0; // player speed = 0 while ride
con168[12] = (byte)(client.Player.Steed.ObjectID >> 8); //heading = steed ID
con168[13] = (byte)(client.Player.Steed.ObjectID & 0xFF);
con168[14] = (byte)0;
con168[15] = (byte)(client.Player.Steed.RiderSlot(client.Player)); // there rider slot this player
}
else if (!client.Player.IsAlive)
{
con168[2] &= 0xE3; //11100011
con168[2] |= 0x14; //Set dead flag 00010100
}
//diving is set here
con168[16] &= 0xFB; //11 11 10 11
if ((con168[16] & 0x02) != 0x00)
{
client.Player.IsDiving = true;
con168[16] |= 0x04;
}
else
client.Player.IsDiving = false;
con168[16] &= 0xFC; //11 11 11 00 cleared Wireframe & Stealth bits
if (client.Player.IsWireframe)
{
con168[16] |= 0x01;
}
//stealth is set here
if (client.Player.IsStealthed)
{
con168[16] |= 0x02;
}
con168[17] = (byte)((con168[17] & 0x80) | client.Player.HealthPercent);
// zone ID has changed in 1.72, fix bytes 11 and 12
byte[] con172 = (byte[])con168.Clone();
if (packetVersion == 168)
{
// client sent v168 pos update packet, fix 172 version
con172[10] = 0;
con172[11] = con168[10];
}
else
{
// client sent v172 pos update packet, fix 168 version
con168[10] = con172[11];
con168[11] = 0;
}
GSUDPPacketOut outpak168 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
//Now copy the whole content of the packet
outpak168.Write(con168, 0, 18/*con168.Length*/);
outpak168.WritePacketLength();
GSUDPPacketOut outpak172 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
//Now copy the whole content of the packet
outpak172.Write(con172, 0, 18/*con172.Length*/);
outpak172.WritePacketLength();
// byte[] pak168 = outpak168.GetBuffer();
// byte[] pak172 = outpak172.GetBuffer();
// outpak168 = null;
// outpak172 = null;
GSUDPPacketOut outpak190 = null;
foreach (GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if (player == null)
continue;
//No position updates for ourselves
if (player == client.Player)
continue;
//no position updates in different houses
if ((client.Player.InHouse || player.InHouse) && player.CurrentHouse != client.Player.CurrentHouse)
continue;
if (client.Player.MinotaurRelic != null)
{
MinotaurRelic relic = client.Player.MinotaurRelic;
if (!relic.Playerlist.Contains(player) && player != client.Player)
{
relic.Playerlist.Add(player);
player.Out.SendMinotaurRelicWindow(client.Player, client.Player.MinotaurRelic.Effect, true);
}
}
if (!client.Player.IsStealthed || player.CanDetect(client.Player))
{
//forward the position packet like normal!
if (player.Client.Version >= GameClient.eClientVersion.Version190)
{
if (outpak190 == null)
{
outpak190 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
outpak190.Write(con172, 0, 18/*con172.Length*/);
outpak190.WriteByte(client.Player.ManaPercent);
outpak190.WriteByte(client.Player.EndurancePercent);
outpak190.FillString(client.Player.CharacterClass.Name, 32);
// roleplay flag, if == 1, show name (RP) with gray color
if (client.Player.RPFlag)
outpak190.WriteByte(1);
else outpak190.WriteByte(0);
outpak190.WriteByte((con168.Length == 54) ? con168[53] : (byte)0); // send last byte for 190+ packets
outpak190.WritePacketLength();
}
player.Out.SendUDPRaw(outpak190);
}
else if (player.Client.Version >= GameClient.eClientVersion.Version172)
player.Out.SendUDPRaw(outpak172);
else
player.Out.SendUDPRaw(outpak168);
}
else
player.Out.SendObjectDelete(client.Player); //remove the stealthed player from view
}
if (client.Player.CharacterClass.ID == (int)eCharacterClass.Warlock)
{
//Send Chamber effect
client.Player.Out.SendWarlockChamberEffect(client.Player);
}
//handle closing of windows
//trade window
if (client.Player.TradeWindow != null)
{
if (client.Player.TradeWindow.Partner != null)
{
if (!client.Player.IsWithinRadius(client.Player.TradeWindow.Partner, WorldMgr.GIVE_ITEM_DISTANCE))
client.Player.TradeWindow.CloseTrade();
}
}
}
//static int lastZ=int.MinValue;
public void HandlePacket(GameClient client, GSPacketIn packet)
{
//Tiv: in very rare cases client send 0xA9 packet before sending S<=C 0xE8 player world initialize
if ((client.Player.ObjectState != GameObject.eObjectState.Active) ||
(client.ClientState != GameClient.eClientState.Playing))
{
return;
}
int environmentTick = Environment.TickCount;
int oldSpeed = client.Player.CurrentSpeed;
int newPlayerX = (int)packet.ReadFloatLowEndian();
int newPlayerY = (int)packet.ReadFloatLowEndian();
int newPlayerZ = (int)packet.ReadFloatLowEndian();
int newPlayerSpeed = (int)packet.ReadFloatLowEndian();
int newPlayerZSpeed = (int)packet.ReadFloatLowEndian();
ushort sessionID = packet.ReadShort();
ushort currentZoneID = packet.ReadShort();
ushort playerState = packet.ReadShort();
ushort fallingDMG = packet.ReadShort();
ushort newHeading = packet.ReadShort();
byte playerAction = (byte)packet.ReadByte();
packet.Skip(2); // unknown bytes x2
byte playerHealth = (byte)packet.ReadByte();
// two trailing bytes, no data
//int speed = (newPlayerSpeed & 0x1FF);
//Flags1 = (eFlags1)playerState;
//Flags2 = (eFlags2)playerAction;
if (client.Player.IsMezzed || client.Player.IsStunned)
{
// Nidel: updating client.Player.CurrentSpeed instead of speed
client.Player.CurrentSpeed = 0;
}
else
{
client.Player.CurrentSpeed = (short)newPlayerSpeed;
}
/*
* client.Player.IsStrafing = Flags1 == eFlags1.STRAFELEFT || Flags1 == eFlags1.STRAFERIGHT;
* client.Player.IsDiving = Flags2 == eFlags2.DIVING ? true : false;
* client.Player.IsSwimming = Flags1 == eFlags1.SWIMMING ? true : false;
* if (client.Player.IsRiding)
* Flags1 = eFlags1.RIDING;
* client.Player.IsClimbing = Flags1 == eFlags1.CLIMBING ? true : false;
* if (!client.Player.IsAlive)
* Flags1 = eFlags1.DEAD;*/
client.Player.IsJumping = ((playerAction & 0x40) != 0);
client.Player.IsStrafing = ((playerState & 0xe000) != 0);
Zone newZone = WorldMgr.GetZone(currentZoneID);
if (newZone == null)
{
if (client.Player == null)
{
return;
}
if (!client.Player.TempProperties.getProperty("isbeingbanned", false))
{
if (log.IsErrorEnabled)
{
log.Error(client.Player.Name + "'s position in unknown zone! => " + currentZoneID);
}
GamePlayer player = client.Player;
player.TempProperties.setProperty("isbeingbanned", true);
player.MoveToBind();
}
return; // TODO: what should we do? player lost in space
}
// move to bind if player fell through the floor
if (newPlayerZ == 0)
{
client.Player.MoveTo(
(ushort)client.Player.BindRegion,
client.Player.BindXpos,
client.Player.BindYpos,
(ushort)client.Player.BindZpos,
(ushort)client.Player.BindHeading
);
return;
}
//int realX = newPlayerX;
//int realY = newPlayerY;
//int realZ = newPlayerZ;
bool zoneChange = newZone != client.Player.LastPositionUpdateZone;
if (zoneChange)
{
//If the region changes -> make sure we don't take any falling damage
if (client.Player.LastPositionUpdateZone != null && newZone.ZoneRegion.ID != client.Player.LastPositionUpdateZone.ZoneRegion.ID)
{
client.Player.MaxLastZ = int.MinValue;
}
// Update water level and diving flag for the new zone
client.Out.SendPlayerPositionAndObjectID();
zoneChange = true;
/*
* "You have entered Burial Tomb."
* "Burial Tomb"
* "Current area is adjusted for one level 1 player."
* "Current area has a 50% instance bonus."
*/
string description = newZone.Description;
string screenDescription = description;
var translation = client.GetTranslation(newZone) as DBLanguageZone;
if (translation != null)
{
if (!Util.IsEmpty(translation.Description))
{
description = translation.Description;
}
if (!Util.IsEmpty(translation.ScreenDescription))
{
screenDescription = translation.ScreenDescription;
}
}
client.Out.SendMessage(LanguageMgr.GetTranslation(client.Account.Language, "PlayerPositionUpdateHandler.Entered", description),
eChatType.CT_System, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(screenDescription, eChatType.CT_ScreenCenterSmaller, eChatLoc.CL_SystemWindow);
client.Player.LastPositionUpdateZone = newZone;
}
int coordsPerSec = 0;
int jumpDetect = 0;
int timediff = Environment.TickCount - client.Player.LastPositionUpdateTick;
int distance = 0;
if (timediff > 0)
{
distance = client.Player.LastPositionUpdatePoint.GetDistanceTo(new Point3D(newPlayerX, newPlayerY, newPlayerZ));
coordsPerSec = distance * 1000 / timediff;
if (distance < 100 && client.Player.LastPositionUpdatePoint.Z > 0)
{
jumpDetect = newPlayerZ - client.Player.LastPositionUpdatePoint.Z;
}
}
client.Player.LastPositionUpdateTick = Environment.TickCount;
client.Player.LastPositionUpdatePoint.X = newPlayerX;
client.Player.LastPositionUpdatePoint.Y = newPlayerY;
client.Player.LastPositionUpdatePoint.Z = newPlayerZ;
int tolerance = ServerProperties.Properties.CPS_TOLERANCE;
if (client.Player.Steed != null && client.Player.Steed.MaxSpeed > 0)
{
tolerance += client.Player.Steed.MaxSpeed;
}
else if (client.Player.MaxSpeed > 0)
{
tolerance += client.Player.MaxSpeed;
}
if (client.Player.IsJumping)
{
coordsPerSec = 0;
jumpDetect = 0;
client.Player.IsJumping = false;
}
if (!client.Player.IsAllowedToFly && (coordsPerSec > tolerance || jumpDetect > ServerProperties.Properties.JUMP_TOLERANCE))
{
bool isHackDetected = true;
if (coordsPerSec > tolerance)
{
// check to see if CPS time tolerance is exceeded
int lastCPSTick = client.Player.TempProperties.getProperty <int>(LASTCPSTICK, 0);
if (environmentTick - lastCPSTick > ServerProperties.Properties.CPS_TIME_TOLERANCE)
{
isHackDetected = false;
}
}
if (isHackDetected)
{
StringBuilder builder = new StringBuilder();
builder.Append("MOVEHACK_DETECT");
builder.Append(": CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
builder.Append(" CPS:=");
builder.Append(coordsPerSec);
builder.Append(" JT=");
builder.Append(jumpDetect);
ChatUtil.SendDebugMessage(client, builder.ToString());
if (client.Account.PrivLevel == 1)
{
GameServer.Instance.LogCheatAction(builder.ToString());
if (ServerProperties.Properties.ENABLE_MOVEDETECT)
{
if (ServerProperties.Properties.BAN_HACKERS && false) // banning disabled until this technique is proven accurate
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban MOVEHACK:(CPS:{0}, JT:{1}) on player:{2}", coordsPerSec, jumpDetect, client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
string message = "";
message = "You have been auto kicked and banned due to movement hack detection!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
else
{
string message = "";
message = "You have been auto kicked due to movement hack detection!";
for (int i = 0; i < 8; i++)
{
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_Help, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Player.SaveIntoDatabase();
client.Player.Quit(true);
}
client.Disconnect();
return;
}
}
}
client.Player.TempProperties.setProperty(LASTCPSTICK, environmentTick);
}
//client.Player.Heading = (ushort)(newHeading & 0xFFF); //patch 0024 expermental
if (client.Player.X != newPlayerX || client.Player.Y != newPlayerY)
{
client.Player.TempProperties.setProperty(LASTMOVEMENTTICK, client.Player.CurrentRegion.Time);
}
//patch 0024 expermental
//client.Player.X = realX;
//client.Player.Y = realY;
//client.Player.Z = realZ;
client.Player.SetCoords(newPlayerX, newPlayerY, newPlayerZ, (ushort)(newHeading & 0xFFF)); //patch 0024 expermental
if (zoneChange)
{
// update client zone information for waterlevel and diving
client.Out.SendPlayerPositionAndObjectID();
}
// used to predict current position, should be before
// any calculation (like fall damage)
//client.Player.MovementStartTick = Environment.TickCount; experimental 0024
// Begin ---------- New Area System -----------
if (client.Player.CurrentRegion.Time > client.Player.AreaUpdateTick) // check if update is needed
{
var oldAreas = client.Player.CurrentAreas;
// Because we may be in an instance we need to do the area check from the current region
// rather than relying on the zone which is in the skinned region. - Tolakram
var newAreas = client.Player.CurrentRegion.GetAreasOfZone(newZone, client.Player);
// Check for left areas
if (oldAreas != null)
{
foreach (IArea area in oldAreas)
{
if (!newAreas.Contains(area))
{
area.OnPlayerLeave(client.Player);
}
}
}
// Check for entered areas
foreach (IArea area in newAreas)
{
if (oldAreas == null || !oldAreas.Contains(area))
{
area.OnPlayerEnter(client.Player);
}
}
// set current areas to new one...
client.Player.CurrentAreas = newAreas;
client.Player.AreaUpdateTick = client.Player.CurrentRegion.Time + 2000; // update every 2 seconds
}
// End ---------- New Area System -----------
//client.Player.TargetInView = ((flags & 0x10) != 0);
//client.Player.IsDiving = ((playerAction & 0x02) != 0);
client.Player.TargetInView = ((playerAction & 0x30) != 0);
client.Player.GroundTargetInView = ((playerAction & 0x08) != 0);
client.Player.IsTorchLighted = ((playerAction & 0x80) != 0);
// patch 0069 player diving is 0x02, but will broadcast to other players as 0x04
// if player has a pet summoned, player action is sent by client as 0x04, but sending to other players this is skipped
client.Player.IsDiving = ((playerAction & 0x02) != 0);
int state = ((playerState >> 10) & 7);
client.Player.IsClimbing = (state == 7);
client.Player.IsSwimming = (state == 1);
//int status = (data & 0x1FF ^ data) >> 8;
//int fly = (flyingflag & 0x1FF ^ flyingflag) >> 8;
if (state == 3 && client.Player.TempProperties.getProperty <bool>(GamePlayer.DEBUG_MODE_PROPERTY, false) == false && !client.Player.IsAllowedToFly) //debugFly on, but player not do /debug on (hack)
{
StringBuilder builder = new StringBuilder();
builder.Append("HACK_FLY");
builder.Append(": CharName=");
builder.Append(client.Player.Name);
builder.Append(" Account=");
builder.Append(client.Account.Name);
builder.Append(" IP=");
builder.Append(client.TcpEndpointAddress);
GameServer.Instance.LogCheatAction(builder.ToString());
{
if (ServerProperties.Properties.BAN_HACKERS)
{
DBBannedAccount b = new DBBannedAccount();
b.Author = "SERVER";
b.Ip = client.TcpEndpointAddress;
b.Account = client.Account.Name;
b.DateBan = DateTime.Now;
b.Type = "B";
b.Reason = string.Format("Autoban flying hack: on player:{0}", client.Player.Name);
GameServer.Database.AddObject(b);
GameServer.Database.SaveObject(b);
}
string message = "";
message = "Client Hack Detected!";
for (int i = 0; i < 6; i++)
{
client.Out.SendMessage(message, eChatType.CT_System, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(message, eChatType.CT_System, eChatLoc.CL_ChatWindow);
}
client.Out.SendPlayerQuit(true);
client.Disconnect();
return;
}
}
lock (client.Player.LastUniqueLocations)
{
GameLocation[] locations = client.Player.LastUniqueLocations;
GameLocation loc = locations[0];
if (loc.X != newPlayerX || loc.Y != newPlayerY || loc.Z != newPlayerZ || loc.RegionID != client.Player.CurrentRegionID)
{
loc = locations[locations.Length - 1];
Array.Copy(locations, 0, locations, 1, locations.Length - 1);
locations[0] = loc;
loc.X = newPlayerX;
loc.Y = newPlayerY;
loc.Z = newPlayerZ;
loc.Heading = client.Player.Heading;
loc.RegionID = client.Player.CurrentRegionID;
}
}
//FALLING DAMAGE
if (GameServer.ServerRules.CanTakeFallDamage(client.Player) && !client.Player.IsSwimming)
{
try
{
int maxLastZ = client.Player.MaxLastZ;
// Are we on the ground?
if ((fallingDMG >> 15) != 0)
{
int safeFallLevel = client.Player.GetAbilityLevel(Abilities.SafeFall);
int fallSpeed = (newPlayerZSpeed * -1) - (100 * safeFallLevel);
int fallDivide = 15;
int fallPercent = Math.Min(99, (fallSpeed - (501)) / fallDivide);
if (fallSpeed > 500)
{
client.Out.SendMessage(LanguageMgr.GetTranslation(client.Account.Language, "PlayerPositionUpdateHandler.FallingDamage"), eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
client.Out.SendMessage(string.Format("You take {0}% of you max hits in damage.", fallPercent), eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
client.Out.SendMessage("You lose endurance", eChatType.CT_Damaged, eChatLoc.CL_SystemWindow);
client.Player.CalcFallDamage(fallPercent);
}
client.Player.MaxLastZ = client.Player.Z;
}
else
{
if (maxLastZ < client.Player.Z || client.Player.IsRiding || newPlayerZSpeed > -150) // is riding, for dragonflys
{
client.Player.MaxLastZ = client.Player.Z;
}
}
}
catch
{
log.Warn("error when attempting to calculate fall damage");
}
}
if (client.Player.Steed != null && client.Player.Steed.ObjectState == GameObject.eObjectState.Active)
{
client.Player.Heading = client.Player.Steed.Heading;
newHeading = (ushort)client.Player.Steed.ObjectID; // test patch 0064
//playerState |= 0x1800;
}
else if ((playerState >> 10) == 4) // patch 0062 fix bug on release preventing players from receiving res sickness
{
client.Player.IsSitting = true;
}
/*else if ((playerState & 0x1000) != 0) //player sitting when releasing on death, dead = 0x1400
* {
* client.Player.IsSitting = true;
* }*/
GSUDPPacketOut outpak = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerPosition));
//patch 0069 test to fix player swim out byte flag
byte playerOutAction = 0x00;
if (client.Player.IsDiving)
{
playerOutAction |= 0x04;
}
if (client.Player.TargetInView)
{
playerOutAction |= 0x30;
}
if (client.Player.GroundTargetInView)
{
playerOutAction |= 0x08;
}
if (client.Player.IsTorchLighted)
{
playerOutAction |= 0x80;
}
//stealth is set here
if (client.Player.IsStealthed)
{
playerState |= 0x0200;
}
outpak.WriteFloatLowEndian(newPlayerX);
outpak.WriteFloatLowEndian(newPlayerY);
outpak.WriteFloatLowEndian(newPlayerZ);
outpak.WriteFloatLowEndian(newPlayerSpeed);
outpak.WriteFloatLowEndian(newPlayerZSpeed);
outpak.WriteShort(sessionID);
outpak.WriteShort(currentZoneID);
outpak.WriteShort(playerState);
outpak.WriteShort(0); // fall damage flag, dont need to send it
outpak.WriteShort(newHeading);
outpak.WriteByte(playerOutAction);
outpak.WriteByte((byte)(client.Player.RPFlag ? 1 : 0));
outpak.WriteByte(0);
outpak.WriteByte((byte)(client.Player.HealthPercent + (client.Player.AttackState ? 0x80 : 0)));
outpak.WriteByte(client.Player.ManaPercent);
outpak.WriteByte(client.Player.EndurancePercent);
//Now copy the whole content of the packet
//outpak1119.Write(pak1119, 0, 36);
outpak.WritePacketLength();
foreach (GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if (player == null)
{
continue;
}
//No position updates for ourselves
if (player == client.Player)
{
// Update Player Cache (Client sending Packet is admitting he's already having it)
player.Client.GameObjectUpdateArray[new Tuple <ushort, ushort>(client.Player.CurrentRegionID, (ushort)client.Player.ObjectID)] = GameTimer.GetTickCount();
continue;
}
//no position updates in different houses
if ((client.Player.InHouse || player.InHouse) && player.CurrentHouse != client.Player.CurrentHouse)
{
continue;
}
/* patch 0068 no minotaur logic
* if (client.Player.MinotaurRelic != null)
* {
* MinotaurRelic relic = client.Player.MinotaurRelic;
* if (!relic.Playerlist.Contains(player) && player != client.Player)
* {
* relic.Playerlist.Add(player);
* player.Out.SendMinotaurRelicWindow(client.Player, client.Player.MinotaurRelic.Effect, true);
* }
* }*/
if (!client.Player.IsStealthed || player.CanDetect(client.Player))
{
// Update Player Cache // test patch remove players in cache 0065
//player.Client.GameObjectUpdateArray[new Tuple<ushort, ushort>(client.Player.CurrentRegionID, (ushort)client.Player.ObjectID)] = GameTimer.GetTickCount();
player.Out.SendUDPRaw(outpak);
}
else
{
player.Out.SendObjectDelete(client.Player); //remove the stealthed player from view
}
}
//handle closing of windows
//trade window
if (client.Player.TradeWindow != null)
{
if (client.Player.TradeWindow.Partner != null)
{
if (!client.Player.IsWithinRadius(client.Player.TradeWindow.Partner, WorldMgr.GIVE_ITEM_DISTANCE))
{
client.Player.TradeWindow.CloseTrade();
}
}
}
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
if (client == null || client.Player == null)
{
return;
}
if (client.Player.ObjectState != GameObject.eObjectState.Active)
{
return;
}
ushort sessionId = packet.ReadShort();
if (client.SessionID != sessionId)
{
// GameServer.BanAccount(client, 120, "Hack sessionId", string.Format("Wrong sessionId:0x{0} in 0xBA packet (SessionID:{1})", sessionId, client.SessionID));
return; // client hack
}
client.Player.Heading = packet.ReadShort();
packet.Skip(1); // unknown
int flags = packet.ReadByte();
// client.Player.PetInView = ((flags & 0x04) != 0); // TODO
client.Player.GroundTargetInView = ((flags & 0x08) != 0);
client.Player.TargetInView = ((flags & 0x10) != 0);
packet.Skip(1);
byte ridingFlag = (byte)packet.ReadByte();
flags = 0; // reset flags, only some sent back out
if (client.Player.IsWireframe)
{
flags |= 0x01;
}
if (client.Player.IsStealthed)
{
flags |= 0x02;
}
if (client.Player.IsDiving)
{
flags |= 0x04;
}
if (client.Player.IsTorchLighted)
{
flags |= 0x80;
}
byte steedSlot = (byte)client.Player.SteedSeatPosition;
GSUDPPacketOut outpak = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
outpak.WriteShort((ushort)client.SessionID);
outpak.WriteShort(client.Player.Heading);
outpak.WriteByte(steedSlot);
outpak.WriteByte((byte)flags);
outpak.WriteByte(0);
outpak.WriteByte(ridingFlag);
outpak.WriteByte(client.Player.HealthPercent);
outpak.WriteByte(client.Player.ManaPercent);
outpak.WriteByte(client.Player.EndurancePercent);
outpak.WriteByte(0); // null term?
outpak.WritePacketLength();
foreach (GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if (player != null && player != client.Player)
{
player.Out.SendUDPRaw(outpak);
}
}
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
if (client == null || client.Player == null)
{
return;
}
if (client.Player.ObjectState != GameObject.eObjectState.Active)
{
return;
}
ushort sessionId = packet.ReadShort(); // session ID
if (client.SessionID != sessionId)
{
// GameServer.BanAccount(client, 120, "Hack sessionId", string.Format("Wrong sessionId:0x{0} in 0xBA packet (SessionID:{1})", sessionId, client.SessionID));
return; // client hack
}
//ushort head = packet.ReadShort();
//client.Player.Heading = (ushort)(head & 0xFFF);
client.Player.Heading = packet.ReadShort();
packet.Skip(1); // unknown
int flags = packet.ReadByte();
// client.Player.PetInView = ((flags & 0x04) != 0); // TODO
client.Player.GroundTargetInView = ((flags & 0x08) != 0);
client.Player.TargetInView = ((flags & 0x10) != 0);
packet.Skip(1);
byte ridingFlag = (byte)packet.ReadByte();
if (client.Player.IsWireframe)
{
flags |= 0x01;
}
//stealth is set here
if (client.Player.IsStealthed)
{
flags |= 0x02;
}
GSUDPPacketOut outpak190 = new GSUDPPacketOut(client.Out.GetPacketCode(eServerPackets.PlayerHeading));
foreach (GamePlayer player in client.Player.GetPlayersInRadius(WorldMgr.VISIBILITY_DISTANCE))
{
if (player != null && player != client.Player)
{
outpak190.WriteShort((ushort)client.SessionID);
outpak190.WriteShort(client.Player.Heading);
outpak190.WriteShort((ushort)flags);
outpak190.WriteByte(0);
//outpak190.WriteByte(0);
outpak190.WriteByte(ridingFlag);
outpak190.WriteByte(client.Player.HealthPercent);
outpak190.WriteByte(client.Player.ManaPercent);
outpak190.WriteByte(client.Player.EndurancePercent);
outpak190.WriteByte(0);// unknown yet
outpak190.WritePacketLength();
player.Out.SendUDPRaw(outpak190);
}
}
}
