/*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.l2jserver.gameserver.network.clientpackets;
import java.util.logging.Logger;
import com.l2jserver.Config;
import com.l2jserver.gameserver.TaskPriority;
import com.l2jserver.gameserver.geoeditorcon.GeoEditorListener;
import com.l2jserver.gameserver.model.actor.L2Character;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.serverpackets.GetOnVehicle;
import com.l2jserver.gameserver.network.serverpackets.ValidateLocation;
/**
* This class ...
*
* @version $Revision: 1.13.4.7 $ $Date: 2005/03/27 15:29:30 $
*/
public class ValidatePosition extends L2GameClientPacket
{
private static final String _C__59_VALIDATEPOSITION = "[C] 59 ValidatePosition";
private static Logger _log = Logger.getLogger(ValidatePosition.class.getName());
/** urgent messages, execute immediately */
public TaskPriority getPriority() { return TaskPriority.PR_HIGH; }
private int _x;
private int _y;
private int _z;
private int _heading;
private int _data; // vehicle id
@Override
protected void readImpl()
{
_x = readD();
_y = readD();
_z = readD();
_heading = readD();
_data = readD();
}
@Override
protected void runImpl()
{
final L2PcInstance activeChar = getClient().getActiveChar();
if (activeChar == null
|| activeChar.isTeleporting()
|| activeChar.inObserverMode())
return;
final int realX = activeChar.getX();
final int realY = activeChar.getY();
int realZ = activeChar.getZ();
if (Config.DEVELOPER)
{
_log.fine("client pos: "+ _x + " "+ _y + " "+ _z +" head "+ _heading);
_log.fine("server pos: "+ realX + " "+realY+ " "+realZ +" head "+activeChar.getHeading());
}
if (_x == 0 && _y == 0)
{
if (realX != 0) // in this case this seems like a client error
return;
}
int dx, dy, dz;
double diffSq;
if (activeChar.isInBoat())
{
if (Config.COORD_SYNCHRONIZE == 2)
{
dx = _x - activeChar.getInVehiclePosition().getX();
dy = _y - activeChar.getInVehiclePosition().getY();
//dz = _z - activeChar.getInVehiclePosition().getZ();
diffSq = (dx*dx + dy*dy);
if (diffSq > 250000)
sendPacket(new GetOnVehicle(activeChar.getObjectId(), _data, activeChar.getInVehiclePosition()));
}
return;
}
if (activeChar.isInAirShip())
{
/*if (Config.COORD_SYNCHRONIZE == 2)
{
dx = _x - activeChar.getInVehiclePosition().getX();
dy = _y - activeChar.getInVehiclePosition().getY();
dz = _z - activeChar.getInVehiclePosition().getZ();
diffSq = (dx*dx + dy*dy);
if (diffSq > 250000)
sendPacket(new GetOnVehicle(activeChar.getObjectId(), _data, activeChar.getInBoatPosition()));
}*/
return;
}
if (activeChar.isFalling(_z))
return; // disable validations during fall to avoid "jumping"
dx = _x - realX;
dy = _y - realY;
dz = _z - realZ;
diffSq = (dx*dx + dy*dy);
/*L2Party party = activeChar.getParty();
if(party != null && activeChar.getLastPartyPositionDistance(_x, _y, _z) > 150)
{
activeChar.setLastPartyPosition(_x, _y, _z);
party.broadcastToPartyMembers(activeChar,new PartyMemberPosition(activeChar));
}*/
if (Config.ACCEPT_GEOEDITOR_CONN)
if (GeoEditorListener.getInstance().getThread() != null
&& GeoEditorListener.getInstance().getThread().isWorking()
&& GeoEditorListener.getInstance().getThread().isSend(activeChar))
GeoEditorListener.getInstance().getThread().sendGmPosition(_x,_y,(short)_z);
if (activeChar.isFlying() || activeChar.isInsideZone(L2Character.ZONE_WATER))
{
activeChar.setXYZ(realX, realY, _z);
if (diffSq > 90000) // validate packet, may also cause z bounce if close to land
activeChar.sendPacket(new ValidateLocation(activeChar));
}
else if (diffSq < 360000) // if too large, messes observation
{
if (Config.COORD_SYNCHRONIZE == -1) // Only Z coordinate synched to server,
// mainly used when no geodata but can be used also with geodata
{
activeChar.setXYZ(realX,realY,_z);
return;
}
if (Config.COORD_SYNCHRONIZE == 1) // Trusting also client x,y coordinates (should not be used with geodata)
{
if (!activeChar.isMoving()
|| !activeChar.validateMovementHeading(_heading)) // Heading changed on client = possible obstacle
{
// character is not moving, take coordinates from client
if (diffSq < 2500) // 50*50 - attack won't work fluently if even small differences are corrected
activeChar.setXYZ(realX, realY, _z);
else
activeChar.setXYZ(_x, _y, _z);
}
else
activeChar.setXYZ(realX, realY, _z);
activeChar.setHeading(_heading);
return;
}
// Sync 2 (or other),
// intended for geodata. Sends a validation packet to client
// when too far from server calculated true coordinate.
// Due to geodata/zone errors, some Z axis checks are made. (maybe a temporary solution)
// Important: this code part must work together with L2Character.updatePosition
if (Config.GEODATA > 0 && (diffSq > 250000 || Math.abs(dz) > 200))
{
//if ((_z - activeChar.getClientZ()) < 200 && Math.abs(activeChar.getLastServerPosition().getZ()-realZ) > 70)
if (Math.abs(dz) > 200
&& Math.abs(dz) < 1500
&& Math.abs(_z - activeChar.getClientZ()) < 800 )
{
activeChar.setXYZ(realX, realY, _z);
realZ = _z;
}
else
{
if (Config.DEVELOPER)
_log.info(activeChar.getName() + ": Synchronizing position Server --> Client");
activeChar.sendPacket(new ValidateLocation(activeChar));
}
}
}
activeChar.setClientX(_x);
activeChar.setClientY(_y);
activeChar.setClientZ(_z);
activeChar.setClientHeading(_heading); // No real need to validate heading.
activeChar.setLastServerPosition(realX, realY, realZ);
}
@Override
public String getType()
{
return _C__59_VALIDATEPOSITION;
}
}