public void HandlePacket(GameClient client, GSPacketIn packet)
{
int flagSpeedData;
int spellLevel;
int spellLineIndex;
if (client.Version >= GameClient.eClientVersion.Version1124)
{
client.Player.X = (int)packet.ReadFloatLowEndian();
client.Player.Y = (int)packet.ReadFloatLowEndian();
client.Player.Z = (int)packet.ReadFloatLowEndian();
client.Player.CurrentSpeed = (short)packet.ReadFloatLowEndian();
client.Player.Heading = packet.ReadShort();
flagSpeedData = packet.ReadShort(); // target visible ? 0xA000 : 0x0000
spellLevel = packet.ReadByte();
spellLineIndex = packet.ReadByte();
// two bytes at end, not sure what for
}
else
{
flagSpeedData = packet.ReadShort();
int heading = packet.ReadShort();
if (client.Version > GameClient.eClientVersion.Version171)
{
int xOffsetInZone = packet.ReadShort();
int yOffsetInZone = packet.ReadShort();
int currentZoneID = packet.ReadShort();
int realZ = packet.ReadShort();
Zone newZone = WorldMgr.GetZone((ushort)currentZoneID);
if (newZone == null)
{
Log.Warn($"Unknown zone in UseSpellHandler: {currentZoneID} player: {client.Player.Name}");
}
else
{
client.Player.X = newZone.XOffset + xOffsetInZone;
client.Player.Y = newZone.YOffset + yOffsetInZone;
client.Player.Z = realZ;
client.Player.MovementStartTick = Environment.TickCount;
}
}
spellLevel = packet.ReadByte();
spellLineIndex = packet.ReadByte();
client.Player.Heading = (ushort)(heading & 0xfff);
}
new UseSpellAction(client.Player, flagSpeedData, spellLevel, spellLineIndex).Start(1);
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
client.Player.X = (int)packet.ReadFloatLowEndian();
client.Player.Y = (int)packet.ReadFloatLowEndian();
client.Player.Z = (int)packet.ReadFloatLowEndian();
client.Player.CurrentSpeed = (short)packet.ReadFloatLowEndian();
client.Player.Heading = packet.ReadShort();
ushort flags = packet.ReadShort(); // target visible ? 0xA000 : 0x0000
int slot = packet.ReadByte();
int type = packet.ReadByte();
new UseSlotAction1124(client.Player, flags, slot, type).Start(1);
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
client.Player.X = (int)packet.ReadFloatLowEndian();
client.Player.Y = (int)packet.ReadFloatLowEndian();
client.Player.Z = (int)packet.ReadFloatLowEndian();
client.Player.CurrentSpeed = (short)packet.ReadFloatLowEndian();
client.Player.Heading = packet.ReadShort();
ushort flags = packet.ReadShort(); // target visible ? 0xA000 : 0x0000
int spellLevel = packet.ReadByte();
int spellLineIndex = packet.ReadByte();
// two bytes at end, not sure what for
client.Player.MovementStartTick = Environment.TickCount; // need to investigate this
new UseSpellAction(client.Player, flags, spellLevel, spellLineIndex).Start(1);
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
client.Player.X = (int)packet.ReadFloatLowEndian();
client.Player.Y = (int)packet.ReadFloatLowEndian();
client.Player.Z = (int)packet.ReadFloatLowEndian();
client.Player.CurrentSpeed = (short)packet.ReadFloatLowEndian();
client.Player.Heading = packet.ReadShort();
ushort flags = packet.ReadShort(); // target visible ? 0xA000 : 0x0000
int index = packet.ReadByte();
int type = packet.ReadByte();
// two bytes at end, not sure what for
new UseSkillAction1124(client.Player, flags, index, type).Start(1);
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
if (client.Version >= GameClient.eClientVersion.Version1124)
{
client.Player.X = (int)packet.ReadFloatLowEndian();
client.Player.Y = (int)packet.ReadFloatLowEndian();
client.Player.Z = (int)packet.ReadFloatLowEndian();
client.Player.CurrentSpeed = (short)packet.ReadFloatLowEndian();
client.Player.Heading = packet.ReadShort();
}
int flagSpeedData = packet.ReadShort();
int slot = packet.ReadByte();
int type = packet.ReadByte();
new UseSlotAction(client.Player, flagSpeedData, slot, type).Start(1);
}
public void HandlePacket(GameClient client, GSPacketIn packet)
{
if (client.Version >= GameClient.eClientVersion.Version1124)
{
var x = packet.ReadFloatLowEndian();
var y = packet.ReadFloatLowEndian();
var z = packet.ReadFloatLowEndian();
client.Player.Position = new Vector3(x, y, z);
client.Player.CurrentSpeed = (short)packet.ReadFloatLowEndian();
client.Player.Heading = packet.ReadShort();
}
int flagSpeedData = packet.ReadShort();
int index = packet.ReadByte();
int type = packet.ReadByte();
new UseSkillAction(client.Player, flagSpeedData, index, type).Start(1);
}
//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();
}
}
}
}
