683 lines
22 KiB
Java
683 lines
22 KiB
Java
/*
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* Copyright (C) 2004-2015 L2J Server
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*
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* This file is part of L2J Server.
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*
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* L2J Server is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* L2J Server is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jserver.gameserver;
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import java.io.FileNotFoundException;
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import java.nio.file.Path;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import com.l2jserver.Config;
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import com.l2jserver.gameserver.datatables.DoorTable;
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import com.l2jserver.gameserver.model.L2Object;
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import com.l2jserver.gameserver.model.L2World;
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import com.l2jserver.gameserver.model.Location;
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import com.l2jserver.gameserver.model.interfaces.ILocational;
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import com.l2jserver.gameserver.util.GeoUtils;
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import com.l2jserver.gameserver.util.LinePointIterator;
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import com.l2jserver.gameserver.util.LinePointIterator3D;
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import com.l2jserver.geodriver.Cell;
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import com.l2jserver.geodriver.GeoDriver;
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/**
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* @author -Nemesiss-, HorridoJoho
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*/
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public class GeoData
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{
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private static final Logger LOGGER = Logger.getLogger(GeoData.class.getName());
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private static final String FILE_NAME_FORMAT = "%d_%d.l2j";
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private static final int ELEVATED_SEE_OVER_DISTANCE = 2;
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private static final int MAX_SEE_OVER_HEIGHT = 48;
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private static final int Z_DELTA_LIMIT = 100;
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private final GeoDriver _driver = new GeoDriver();
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protected GeoData()
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{
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if (Config.GEODATA == 0)
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{
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LOGGER.info(getClass().getSimpleName() + ": Disabled.");
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return;
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}
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int loadedRegions = 0;
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try
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{
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for (int regionX = L2World.TILE_X_MIN; regionX <= L2World.TILE_X_MAX; regionX++)
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{
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for (int regionY = L2World.TILE_Y_MIN; regionY <= L2World.TILE_Y_MAX; regionY++)
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{
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final Path geoFilePath = Config.GEODATA_PATH.resolve(String.format(FILE_NAME_FORMAT, regionX, regionY));
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final Boolean loadFile = Config.GEODATA_REGIONS.get(regionX + "_" + regionY);
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if (loadFile != null)
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{
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if (loadFile)
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{
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LOGGER.info(getClass().getSimpleName() + ": Loading " + geoFilePath.getFileName() + "...");
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_driver.loadRegion(geoFilePath, regionX, regionY);
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loadedRegions++;
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}
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}
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else if (Config.TRY_LOAD_UNSPECIFIED_REGIONS)
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{
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try
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{
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LOGGER.info(getClass().getSimpleName() + ": Loading " + geoFilePath.getFileName() + "...");
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_driver.loadRegion(geoFilePath, regionX, regionY);
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loadedRegions++;
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}
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catch (Exception e)
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{
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// ignore file not found errors
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if (!(e instanceof FileNotFoundException))
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{
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LOGGER.log(Level.WARNING, getClass().getSimpleName() + ": Failed to load " + geoFilePath.getFileName() + "!", e);
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}
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}
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}
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}
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}
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}
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catch (Exception e)
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{
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LOGGER.log(Level.SEVERE, getClass().getSimpleName() + ": Failed to load geodata!", e);
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System.exit(1);
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}
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LOGGER.info(getClass().getSimpleName() + ": Loaded " + loadedRegions + " regions.");
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}
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public boolean hasGeoPos(int geoX, int geoY)
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{
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return _driver.hasGeoPos(geoX, geoY);
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}
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public boolean checkNearestNswe(int geoX, int geoY, int worldZ, int nswe)
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{
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return _driver.checkNearestNswe(geoX, geoY, worldZ, nswe);
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}
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public boolean checkNearestNswe(int geoX, int geoY, int worldZ, int nswe, int zDeltaLimit)
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{
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return _driver.checkNearestNswe(geoX, geoY, worldZ, nswe, zDeltaLimit);
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}
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public boolean checkNearestNsweAntiCornerCut(int geoX, int geoY, int worldZ, int nswe)
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{
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boolean can = true;
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if ((nswe & Cell.NSWE_NORTH_EAST) != 0)
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{
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// can = canEnterNeighbors(prevX, prevY - 1, prevGeoZ, Direction.EAST) && canEnterNeighbors(prevX + 1, prevY, prevGeoZ, Direction.NORTH);
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can = checkNearestNswe(geoX, geoY - 1, worldZ, Cell.NSWE_EAST) && checkNearestNswe(geoX + 1, geoY, worldZ, Cell.NSWE_NORTH);
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}
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if (can && ((nswe & Cell.NSWE_NORTH_WEST) != 0))
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{
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// can = canEnterNeighbors(prevX, prevY - 1, prevGeoZ, Direction.WEST) && canEnterNeighbors(prevX - 1, prevY, prevGeoZ, Direction.NORTH);
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can = checkNearestNswe(geoX, geoY - 1, worldZ, Cell.NSWE_WEST) && checkNearestNswe(geoX, geoY - 1, worldZ, Cell.NSWE_NORTH);
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}
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if (can && ((nswe & Cell.NSWE_SOUTH_EAST) != 0))
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{
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// can = canEnterNeighbors(prevX, prevY + 1, prevGeoZ, Direction.EAST) && canEnterNeighbors(prevX + 1, prevY, prevGeoZ, Direction.SOUTH);
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can = checkNearestNswe(geoX, geoY + 1, worldZ, Cell.NSWE_EAST) && checkNearestNswe(geoX + 1, geoY, worldZ, Cell.NSWE_SOUTH);
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}
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if (can && ((nswe & Cell.NSWE_SOUTH_WEST) != 0))
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{
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// can = canEnterNeighbors(prevX, prevY + 1, prevGeoZ, Direction.WEST) && canEnterNeighbors(prevX - 1, prevY, prevGeoZ, Direction.SOUTH);
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can = checkNearestNswe(geoX, geoY + 1, worldZ, Cell.NSWE_WEST) && checkNearestNswe(geoX - 1, geoY, worldZ, Cell.NSWE_SOUTH);
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}
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return can && checkNearestNswe(geoX, geoY, worldZ, nswe);
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}
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public boolean checkNearestNsweAntiCornerCut(int geoX, int geoY, int worldZ, int nswe, int zDeltaLimit)
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{
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boolean can = true;
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if ((nswe & Cell.NSWE_NORTH_EAST) != 0)
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{
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// can = canEnterNeighbors(prevX, prevY - 1, prevGeoZ, Direction.EAST) && canEnterNeighbors(prevX + 1, prevY, prevGeoZ, Direction.NORTH);
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can = checkNearestNswe(geoX, geoY - 1, worldZ, Cell.NSWE_EAST, zDeltaLimit) && checkNearestNswe(geoX + 1, geoY, worldZ, Cell.NSWE_NORTH, zDeltaLimit);
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}
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if (can && ((nswe & Cell.NSWE_NORTH_WEST) != 0))
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{
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// can = canEnterNeighbors(prevX, prevY - 1, prevGeoZ, Direction.WEST) && canEnterNeighbors(prevX - 1, prevY, prevGeoZ, Direction.NORTH);
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can = checkNearestNswe(geoX, geoY - 1, worldZ, Cell.NSWE_WEST, zDeltaLimit) && checkNearestNswe(geoX, geoY - 1, worldZ, Cell.NSWE_NORTH, zDeltaLimit);
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}
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if (can && ((nswe & Cell.NSWE_SOUTH_EAST) != 0))
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{
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// can = canEnterNeighbors(prevX, prevY + 1, prevGeoZ, Direction.EAST) && canEnterNeighbors(prevX + 1, prevY, prevGeoZ, Direction.SOUTH);
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can = checkNearestNswe(geoX, geoY + 1, worldZ, Cell.NSWE_EAST, zDeltaLimit) && checkNearestNswe(geoX + 1, geoY, worldZ, Cell.NSWE_SOUTH, zDeltaLimit);
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}
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if (can && ((nswe & Cell.NSWE_SOUTH_WEST) != 0))
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{
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// can = canEnterNeighbors(prevX, prevY + 1, prevGeoZ, Direction.WEST) && canEnterNeighbors(prevX - 1, prevY, prevGeoZ, Direction.SOUTH);
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can = checkNearestNswe(geoX, geoY + 1, worldZ, Cell.NSWE_WEST, zDeltaLimit) && checkNearestNswe(geoX - 1, geoY, worldZ, Cell.NSWE_SOUTH, zDeltaLimit);
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}
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return can && checkNearestNswe(geoX, geoY, worldZ, nswe, zDeltaLimit);
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}
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public int getNearestZ(int geoX, int geoY, int worldZ)
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{
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return _driver.getNearestZ(geoX, geoY, worldZ);
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}
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public int getNearestZ(int geoX, int geoY, int worldZ, int zDeltaLimit)
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{
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return _driver.getNearestZ(geoX, geoY, worldZ, zDeltaLimit);
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}
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public int getNextLowerZ(int geoX, int geoY, int worldZ)
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{
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return _driver.getNextLowerZ(geoX, geoY, worldZ);
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}
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public int getNextLowerZ(int geoX, int geoY, int worldZ, int zDeltaLimit)
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{
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return _driver.getNextLowerZ(geoX, geoY, worldZ, zDeltaLimit);
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}
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public int getNextHigherZ(int geoX, int geoY, int worldZ)
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{
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return _driver.getNextHigherZ(geoX, geoY, worldZ);
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}
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public int getNextHigherZ(int geoX, int geoY, int worldZ, int zDeltaLimit)
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{
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return _driver.getNextHigherZ(geoX, geoY, worldZ, zDeltaLimit);
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}
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public int getGeoX(int worldX)
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{
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return _driver.getGeoX(worldX);
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}
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public int getGeoY(int worldY)
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{
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return _driver.getGeoY(worldY);
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}
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public int getWorldX(int geoX)
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{
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return _driver.getWorldX(geoX);
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}
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public int getWorldY(int geoY)
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{
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return _driver.getWorldY(geoY);
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}
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// ///////////////////
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// L2J METHODS
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/**
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* Gets the height.
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* @param x the x coordinate
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* @param y the y coordinate
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* @param z the z coordinate
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* @return the height
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*/
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public int getHeight(int x, int y, int z)
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{
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return getNearestZ(getGeoX(x), getGeoY(y), z);
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}
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/**
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* Gets the spawn height.
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* @param x the x coordinate
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* @param y the y coordinate
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* @param z the the z coordinate
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* @return the spawn height
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*/
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public int getSpawnHeight(int x, int y, int z)
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{
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return getNearestZ(getGeoX(x), getGeoY(y), z, Z_DELTA_LIMIT);
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}
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/**
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* Gets the spawn height.
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* @param location the location
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* @return the spawn height
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*/
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public int getSpawnHeight(Location location)
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{
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return getSpawnHeight(location.getX(), location.getY(), location.getZ());
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}
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/**
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* Can see target. Doors as target always return true. Checks doors between.
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* @param cha the character
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* @param target the target
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* @return {@code true} if the character can see the target (LOS), {@code false} otherwise
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*/
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public boolean canSeeTarget(L2Object cha, L2Object target)
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{
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if (target.isDoor())
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{
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// can always see doors :o
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return true;
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}
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return canSeeTarget(cha.getX(), cha.getY(), cha.getZ(), cha.getInstanceId(), target.getX(), target.getY(), target.getZ(), target.getInstanceId());
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}
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/**
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* Can see target. Checks doors between.
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* @param cha the character
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* @param worldPosition the world position
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* @return {@code true} if the character can see the target at the given world position, {@code false} otherwise
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*/
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public boolean canSeeTarget(L2Object cha, ILocational worldPosition)
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{
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return canSeeTarget(cha.getX(), cha.getY(), cha.getZ(), cha.getInstanceId(), worldPosition.getX(), worldPosition.getY(), worldPosition.getZ());
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}
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/**
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* Can see target. Checks doors between.
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* @param x the x coordinate
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* @param y the y coordinate
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* @param z the z coordinate
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* @param instanceId
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* @param tx the target's x coordinate
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* @param ty the target's y coordinate
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* @param tz the target's z coordinate
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* @param tInstanceId the target's instanceId
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* @return
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*/
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public boolean canSeeTarget(int x, int y, int z, int instanceId, int tx, int ty, int tz, int tInstanceId)
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{
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if ((instanceId != tInstanceId))
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{
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return false;
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}
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return canSeeTarget(x, y, z, instanceId, tx, ty, tz);
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}
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/**
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* Can see target. Checks doors between.
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* @param x the x coordinate
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* @param y the y coordinate
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* @param z the z coordinate
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* @param instanceId
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* @param tx the target's x coordinate
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* @param ty the target's y coordinate
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* @param tz the target's z coordinate
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* @return {@code true} if there is line of sight between the given coordinate sets, {@code false} otherwise
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*/
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public boolean canSeeTarget(int x, int y, int z, int instanceId, int tx, int ty, int tz)
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{
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if (DoorTable.getInstance().checkIfDoorsBetween(x, y, z, tx, ty, tz, instanceId, true))
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{
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return false;
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}
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return canSeeTarget(x, y, z, tx, ty, tz);
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}
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private int getLosGeoZ(int prevX, int prevY, int prevGeoZ, int curX, int curY, int nswe)
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{
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if ((((nswe & Cell.NSWE_NORTH) != 0) && ((nswe & Cell.NSWE_SOUTH) != 0)) || (((nswe & Cell.NSWE_WEST) != 0) && ((nswe & Cell.NSWE_EAST) != 0)))
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{
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throw new RuntimeException("Multiple directions!");
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}
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if (checkNearestNsweAntiCornerCut(prevX, prevY, prevGeoZ, nswe, Z_DELTA_LIMIT))
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{
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return getNearestZ(curX, curY, prevGeoZ, Z_DELTA_LIMIT);
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}
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return getNextHigherZ(curX, curY, prevGeoZ);
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}
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/**
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* Can see target. Does not check doors between.
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* @param x the x coordinate
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* @param y the y coordinate
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* @param z the z coordinate
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* @param tx the target's x coordinate
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* @param ty the target's y coordinate
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* @param tz the target's z coordinate
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* @return {@code true} if there is line of sight between the given coordinate sets, {@code false} otherwise
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*/
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public boolean canSeeTarget(int x, int y, int z, int tx, int ty, int tz)
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{
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int geoX = getGeoX(x);
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int geoY = getGeoY(y);
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int tGeoX = getGeoX(tx);
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int tGeoY = getGeoY(ty);
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z = getNearestZ(geoX, geoY, z, Z_DELTA_LIMIT);
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tz = getNearestZ(tGeoX, tGeoY, tz, Z_DELTA_LIMIT);
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// fastpath
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if ((geoX == tGeoX) && (geoY == tGeoY))
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{
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if (hasGeoPos(tGeoX, tGeoY))
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{
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return z == tz;
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}
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return true;
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}
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if (tz > z)
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{
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int tmp = tx;
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tx = x;
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x = tmp;
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tmp = ty;
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ty = y;
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y = tmp;
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tmp = tz;
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tz = z;
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z = tmp;
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tmp = tGeoX;
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tGeoX = geoX;
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geoX = tmp;
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tmp = tGeoY;
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tGeoY = geoY;
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geoY = tmp;
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}
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LinePointIterator3D pointIter = new LinePointIterator3D(geoX, geoY, z, tGeoX, tGeoY, tz);
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// first point is guaranteed to be available, skip it, we can always see our own position
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pointIter.next();
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int prevX = pointIter.x();
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int prevY = pointIter.y();
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int prevZ = pointIter.z();
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int prevGeoZ = prevZ;
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int ptIndex = 0;
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while (pointIter.next())
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{
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int curX = pointIter.x();
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int curY = pointIter.y();
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if ((curX == prevX) && (curY == prevY))
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{
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continue;
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}
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int beeCurZ = pointIter.z();
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int curGeoZ = prevGeoZ;
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// check if the position has geodata
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if (hasGeoPos(curX, curY))
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{
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int beeCurGeoZ = getNearestZ(curX, curY, beeCurZ);
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int nswe = GeoUtils.computeNswe(prevX, prevY, curX, curY);// .computeDirection(prevX, prevY, curX, curY);
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curGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, curX, curY, nswe);
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int maxHeight;
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if (ptIndex < ELEVATED_SEE_OVER_DISTANCE)
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{
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maxHeight = z + MAX_SEE_OVER_HEIGHT;
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}
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else
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{
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maxHeight = beeCurZ + MAX_SEE_OVER_HEIGHT;
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}
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boolean canSeeThrough = false;
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if ((curGeoZ <= maxHeight) && (curGeoZ <= beeCurGeoZ))
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{
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if ((nswe & Cell.NSWE_NORTH_EAST) != 0)
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{
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int northGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX, prevY - 1, Cell.NSWE_EAST);
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int eastGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX + 1, prevY, Cell.NSWE_NORTH);
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canSeeThrough = (northGeoZ <= maxHeight) && (eastGeoZ <= maxHeight) && (northGeoZ <= getNearestZ(prevX, prevY - 1, beeCurZ)) && (eastGeoZ <= getNearestZ(prevX + 1, prevY, beeCurZ));
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}
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else if ((nswe & Cell.NSWE_NORTH_WEST) != 0)
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{
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int northGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX, prevY - 1, Cell.NSWE_WEST);
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int westGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX - 1, prevY, Cell.NSWE_NORTH);
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canSeeThrough = (northGeoZ <= maxHeight) && (westGeoZ <= maxHeight) && (northGeoZ <= getNearestZ(prevX, prevY - 1, beeCurZ)) && (westGeoZ <= getNearestZ(prevX - 1, prevY, beeCurZ));
|
|
}
|
|
else if ((nswe & Cell.NSWE_SOUTH_EAST) != 0)
|
|
{
|
|
int southGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX, prevY + 1, Cell.NSWE_EAST);
|
|
int eastGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX + 1, prevY, Cell.NSWE_SOUTH);
|
|
canSeeThrough = (southGeoZ <= maxHeight) && (eastGeoZ <= maxHeight) && (southGeoZ <= getNearestZ(prevX, prevY + 1, beeCurZ)) && (eastGeoZ <= getNearestZ(prevX + 1, prevY, beeCurZ));
|
|
}
|
|
else if ((nswe & Cell.NSWE_SOUTH_WEST) != 0)
|
|
{
|
|
int southGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX, prevY + 1, Cell.NSWE_WEST);
|
|
int westGeoZ = getLosGeoZ(prevX, prevY, prevGeoZ, prevX - 1, prevY, Cell.NSWE_SOUTH);
|
|
canSeeThrough = (southGeoZ <= maxHeight) && (westGeoZ <= maxHeight) && (southGeoZ <= getNearestZ(prevX, prevY + 1, beeCurZ)) && (westGeoZ <= getNearestZ(prevX - 1, prevY, beeCurZ));
|
|
}
|
|
else
|
|
{
|
|
canSeeThrough = true;
|
|
}
|
|
}
|
|
|
|
if (!canSeeThrough)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
prevX = curX;
|
|
prevY = curY;
|
|
prevGeoZ = curGeoZ;
|
|
++ptIndex;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Move check.
|
|
* @param x the x coordinate
|
|
* @param y the y coordinate
|
|
* @param z the z coordinate
|
|
* @param tx the target's x coordinate
|
|
* @param ty the target's y coordinate
|
|
* @param tz the target's z coordinate
|
|
* @param instanceId the instance id
|
|
* @return the last Location (x,y,z) where player can walk - just before wall
|
|
*/
|
|
public Location moveCheck(int x, int y, int z, int tx, int ty, int tz, int instanceId)
|
|
{
|
|
int geoX = getGeoX(x);
|
|
int geoY = getGeoY(y);
|
|
z = getNearestZ(geoX, geoY, z, Z_DELTA_LIMIT);
|
|
int tGeoX = getGeoX(tx);
|
|
int tGeoY = getGeoY(ty);
|
|
tz = getNearestZ(tGeoX, tGeoY, tz, Z_DELTA_LIMIT);
|
|
|
|
if (DoorTable.getInstance().checkIfDoorsBetween(x, y, z, tx, ty, tz, instanceId, false))
|
|
{
|
|
return new Location(x, y, getHeight(x, y, z));
|
|
}
|
|
|
|
LinePointIterator pointIter = new LinePointIterator(geoX, geoY, tGeoX, tGeoY);
|
|
// first point is guaranteed to be available
|
|
pointIter.next();
|
|
int prevX = pointIter.x();
|
|
int prevY = pointIter.y();
|
|
int prevZ = z;
|
|
|
|
while (pointIter.next())
|
|
{
|
|
int curX = pointIter.x();
|
|
int curY = pointIter.y();
|
|
int curZ = getNearestZ(curX, curY, prevZ, Z_DELTA_LIMIT);
|
|
|
|
if (hasGeoPos(prevX, prevY))
|
|
{
|
|
int nswe = GeoUtils.computeNswe(prevX, prevY, curX, curY);
|
|
if (!checkNearestNsweAntiCornerCut(prevX, prevY, prevZ, nswe, Z_DELTA_LIMIT))
|
|
{
|
|
// can't move, return previous location
|
|
return new Location(getWorldX(prevX), getWorldY(prevY), prevZ);
|
|
}
|
|
}
|
|
|
|
prevX = curX;
|
|
prevY = curY;
|
|
prevZ = curZ;
|
|
}
|
|
|
|
if (hasGeoPos(prevX, prevY) && (prevZ != tz))
|
|
{
|
|
// different floors, return start location
|
|
return new Location(x, y, z);
|
|
}
|
|
|
|
return new Location(tx, ty, tz);
|
|
}
|
|
|
|
/**
|
|
* Checks if its possible to move from one location to another.
|
|
* @param fromX the X coordinate to start checking from
|
|
* @param fromY the Y coordinate to start checking from
|
|
* @param fromZ the Z coordinate to start checking from
|
|
* @param toX the X coordinate to end checking at
|
|
* @param toY the Y coordinate to end checking at
|
|
* @param toZ the Z coordinate to end checking at
|
|
* @param instanceId the instance ID
|
|
* @return {@code true} if the character at start coordinates can move to end coordinates, {@code false} otherwise
|
|
*/
|
|
public boolean canMove(int fromX, int fromY, int fromZ, int toX, int toY, int toZ, int instanceId)
|
|
{
|
|
int geoX = getGeoX(fromX);
|
|
int geoY = getGeoY(fromY);
|
|
fromZ = getNearestZ(geoX, geoY, fromZ, Z_DELTA_LIMIT);
|
|
int tGeoX = getGeoX(toX);
|
|
int tGeoY = getGeoY(toY);
|
|
toZ = getNearestZ(tGeoX, tGeoY, toZ, Z_DELTA_LIMIT);
|
|
|
|
if (DoorTable.getInstance().checkIfDoorsBetween(fromX, fromY, fromZ, toX, toY, toZ, instanceId, false))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
LinePointIterator pointIter = new LinePointIterator(geoX, geoY, tGeoX, tGeoY);
|
|
// first point is guaranteed to be available
|
|
pointIter.next();
|
|
int prevX = pointIter.x();
|
|
int prevY = pointIter.y();
|
|
int prevZ = fromZ;
|
|
|
|
while (pointIter.next())
|
|
{
|
|
int curX = pointIter.x();
|
|
int curY = pointIter.y();
|
|
int curZ = getNearestZ(curX, curY, prevZ, Z_DELTA_LIMIT);
|
|
|
|
if (hasGeoPos(prevX, prevY))
|
|
{
|
|
int nswe = GeoUtils.computeNswe(prevX, prevY, curX, curY);
|
|
if (!checkNearestNsweAntiCornerCut(prevX, prevY, prevZ, nswe, Z_DELTA_LIMIT))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
prevX = curX;
|
|
prevY = curY;
|
|
prevZ = curZ;
|
|
}
|
|
|
|
if (hasGeoPos(prevX, prevY) && (prevZ != toZ))
|
|
{
|
|
// different floors
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public int traceTerrainZ(int x, int y, int z, int tx, int ty)
|
|
{
|
|
int geoX = getGeoX(x);
|
|
int geoY = getGeoY(y);
|
|
z = getNearestZ(geoX, geoY, z, Z_DELTA_LIMIT);
|
|
int tGeoX = getGeoX(tx);
|
|
int tGeoY = getGeoY(ty);
|
|
|
|
LinePointIterator pointIter = new LinePointIterator(geoX, geoY, tGeoX, tGeoY);
|
|
// first point is guaranteed to be available
|
|
pointIter.next();
|
|
int prevZ = z;
|
|
|
|
while (pointIter.next())
|
|
{
|
|
int curX = pointIter.x();
|
|
int curY = pointIter.y();
|
|
int curZ = getNearestZ(curX, curY, prevZ, Z_DELTA_LIMIT);
|
|
|
|
prevZ = curZ;
|
|
}
|
|
|
|
return prevZ;
|
|
}
|
|
|
|
/**
|
|
* Checks if its possible to move from one location to another.
|
|
* @param from the {@code ILocational} to start checking from
|
|
* @param toX the X coordinate to end checking at
|
|
* @param toY the Y coordinate to end checking at
|
|
* @param toZ the Z coordinate to end checking at
|
|
* @return {@code true} if the character at start coordinates can move to end coordinates, {@code false} otherwise
|
|
*/
|
|
public boolean canMove(ILocational from, int toX, int toY, int toZ)
|
|
{
|
|
return canMove(from.getX(), from.getY(), from.getZ(), toX, toY, toZ, from.getInstanceId());
|
|
}
|
|
|
|
/**
|
|
* Checks if its possible to move from one location to another.
|
|
* @param from the {@code ILocational} to start checking from
|
|
* @param to the {@code ILocational} to end checking at
|
|
* @return {@code true} if the character at start coordinates can move to end coordinates, {@code false} otherwise
|
|
*/
|
|
public boolean canMove(ILocational from, ILocational to)
|
|
{
|
|
return canMove(from, to.getX(), to.getY(), to.getZ());
|
|
}
|
|
|
|
/**
|
|
* Checks the specified position for available geodata.
|
|
* @param x the X coordinate
|
|
* @param y the Y coordinate
|
|
* @return {@code true} if there is geodata for the given coordinates, {@code false} otherwise
|
|
*/
|
|
public boolean hasGeo(int x, int y)
|
|
{
|
|
return hasGeoPos(getGeoX(x), getGeoY(y));
|
|
}
|
|
|
|
public static GeoData getInstance()
|
|
{
|
|
return SingletonHolder._instance;
|
|
}
|
|
|
|
private static class SingletonHolder
|
|
{
|
|
protected final static GeoData _instance = new GeoData();
|
|
}
|
|
}
|