/* * 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 silentium.gameserver.network.clientpackets; import java.nio.BufferUnderflowException; import silentium.gameserver.ai.CtrlIntention; import silentium.gameserver.configs.MainConfig; import silentium.gameserver.model.L2CharPosition; import silentium.gameserver.model.actor.instance.L2PcInstance; import silentium.gameserver.network.serverpackets.ActionFailed; import silentium.gameserver.network.serverpackets.StopMove; import silentium.gameserver.utils.Util; public class MoveBackwardToLocation extends L2GameClientPacket { // cdddddd private int _targetX; private int _targetY; private int _targetZ; private int _originX; private int _originY; private int _originZ; private int _moveMovement; // For geodata private int _curX; private int _curY; private int _curZ; @Override protected void readImpl() { _targetX = readD(); _targetY = readD(); _targetZ = readD(); _originX = readD(); _originY = readD(); _originZ = readD(); try { _moveMovement = readD(); // is 0 if cursor keys are used 1 if mouse is used } catch (BufferUnderflowException e) { if (MainConfig.L2WALKER_PROTECTION) { L2PcInstance activeChar = getClient().getActiveChar(); Util.handleIllegalPlayerAction(activeChar, activeChar.getName() + " is trying to use L2Walker.", MainConfig.DEFAULT_PUNISH); } } } @Override protected void runImpl() { final L2PcInstance activeChar = getClient().getActiveChar(); if (activeChar == null) return; if (_targetX == _originX && _targetY == _originY && _targetZ == _originZ) { activeChar.sendPacket(new StopMove(activeChar)); return; } // Correcting targetZ from floor level to head level _targetZ += activeChar.getTemplate().getCollisionHeight(); _curX = activeChar.getX(); _curY = activeChar.getY(); _curZ = activeChar.getZ(); if (activeChar.getTeleMode() > 0) { if (activeChar.getTeleMode() == 1) activeChar.setTeleMode(0); activeChar.sendPacket(ActionFailed.STATIC_PACKET); activeChar.teleToLocation(_targetX, _targetY, _targetZ, false); return; } if (_moveMovement == 0 && MainConfig.GEODATA < 1) // cursor movement without geodata is disabled activeChar.sendPacket(ActionFailed.STATIC_PACKET); else { double dx = _targetX - _curX; double dy = _targetY - _curY; // Can't move if character is confused, or trying to move a huge distance if (activeChar.isOutOfControl() || ((dx * dx + dy * dy) > 98010000)) // 9900*9900 { activeChar.sendPacket(ActionFailed.STATIC_PACKET); return; } activeChar.getAI().setIntention(CtrlIntention.AI_INTENTION_MOVE_TO, new L2CharPosition(_targetX, _targetY, _targetZ, 0)); } } }