content: /**
   * This file is part of Aion-Lightning <aion-lightning.org>.
   *
   *  Aion-Lightning 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.
   *
   *  Aion-Lightning 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 Aion-Lightning.
   *  If not, see <http://www.gnu.org/licenses/>.
   */
  package com.aionemu.gameserver.world.geo;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.aionemu.gameserver.configs.main.GeoDataConfig;
  import com.aionemu.gameserver.geoEngine.collision.CollisionResults;
  import com.aionemu.gameserver.geoEngine.math.Vector3f;
  import com.aionemu.gameserver.model.gameobjects.Creature;
  import com.aionemu.gameserver.model.gameobjects.VisibleObject;
  import com.aionemu.gameserver.utils.MathUtil;
  
  /**
   * @author ATracer
   */
  public class GeoService {
  
  	private static final Logger log = LoggerFactory.getLogger(GeoService.class);
  	private GeoData geoData;
  
  	/**
  	 * Initialize geodata based on configuration, load necessary structures
  	 */
  	public void initializeGeo() {
  		switch (getConfiguredGeoType()) {
  			case GEO_MESHES:
  				geoData = new RealGeoData();
  				break;
  			case NO_GEO:
  				geoData = new DummyGeoData();
  				break;
  		}
  		log.info("Configured Geo type: " + getConfiguredGeoType());
  		geoData.loadGeoMaps();
  	}
  
  	public void setDoorState(int worldId, int instanceId, String name, boolean isOpened) {
  		if (GeoDataConfig.GEO_ENABLE) {
  			geoData.getMap(worldId).setDoorState(instanceId, name, isOpened);
  		}
  	}
  
  	/**
  	 * @param object
  	 * @return
  	 */
  	public float getZAfterMoveBehind(int worldId, float x, float y, float z, int instanceId) {
  		if (GeoDataConfig.GEO_ENABLE) {
  			return getZ(worldId, x, y, z, 0, instanceId);
  		}
  		return getZ(worldId, x, y, z, 0.5f, instanceId);
  	}
  
  	/**
  	 * @param object
  	 * @return
  	 */
  	public float getZ(VisibleObject object) {
  		return geoData.getMap(object.getWorldId()).getZ(object.getX(), object.getY(), object.getZ(), object.getInstanceId());
  	}
  
  	/**
  	 * @param worldId
  	 * @param x
  	 * @param y
  	 * @param z
  	 * @param defaultUp
  	 * @return
  	 */
  	public float getZ(int worldId, float x, float y, float z, float defaultUp, int instanceId) {
  		float newZ = geoData.getMap(worldId).getZ(x, y, z, instanceId);
  		if (!GeoDataConfig.GEO_ENABLE) {
  			newZ += defaultUp;
  		} /*
  			 * else { newZ += 0.5f; }
  			 */
  
  		return newZ;
  	}
  
  	/**
  	 * @param worldId
  	 * @param x
  	 * @param y
  	 * @return
  	 */
  	public float getZ(int worldId, float x, float y) {
  		return geoData.getMap(worldId).getZ(x, y);
  	}
  
  	public String getDoorName(int worldId, String meshFile, float x, float y, float z) {
  		return geoData.getMap(worldId).getDoorName(worldId, meshFile, x, y, z);
  	}
  
  	public CollisionResults getCollisions(VisibleObject object, float x, float y, float z, boolean changeDirection, byte intentions) {
  		return geoData.getMap(object.getWorldId()).getCollisions(object.getX(), object.getY(), object.getZ(), x, y, z, changeDirection, false, object.getInstanceId(), intentions);
  	}
  
  	/**
  	 * @param object
  	 * @param target
  	 * @return
  	 */
  	public boolean canSee(VisibleObject object, VisibleObject target) {
  		if (!GeoDataConfig.CANSEE_ENABLE) {
  			return true;
  		}
  		float limit = (float) (MathUtil.getDistance(object, target) - target.getObjectTemplate().getBoundRadius().getCollision());
  		if (limit <= 0) {
  			return true;
  		}
  		return geoData.getMap(object.getWorldId()).canSee(object.getX(), object.getY(), object.getZ() + object.getObjectTemplate().getBoundRadius().getUpper() / 2, target.getX(), target.getY(), target.getZ() + target.getObjectTemplate().getBoundRadius().getUpper() / 2, limit, object.getInstanceId());
  	}
  
  	public boolean canSee(int worldId, float x, float y, float z, float x1, float y1, float z1, float limit, int instanceId) {
  		return geoData.getMap(worldId).canSee(x, y, z, x1, y1, z1, limit, instanceId);
  	}
  
  	public boolean isGeoOn() {
  		return GeoDataConfig.GEO_ENABLE;
  	}
  
  	public Vector3f getClosestCollision(Creature object, float x, float y, float z, boolean changeDirection, byte intentions) {
  		return geoData.getMap(object.getWorldId()).getClosestCollision(object.getX(), object.getY(), object.getZ(), x, y, z, changeDirection, object.isInFlyingState(), object.getInstanceId(), intentions);
  	}
  
  	public GeoType getConfiguredGeoType() {
  		if (GeoDataConfig.GEO_ENABLE) {
  			return GeoType.GEO_MESHES;
  		}
  		return GeoType.NO_GEO;
  	}
  
  	public static final GeoService getInstance() {
  		return SingletonHolder.instance;
  	}
  
  	@SuppressWarnings("synthetic-access")
  	private static final class SingletonHolder {
  
  		protected static final GeoService instance = new GeoService();
  	}
  }
  