Inventory open implementation, Html updates, Pathing generator,

Signed-off-by: Rogiel <rogiel@rogiel.com>

src/main/java/com/l2jserver/service/game/pathing/MapperPathingService.java

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+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver 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.
+ *
+ * l2jserver 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 l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.service.game.pathing;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+
+import javolution.io.Struct;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.inject.Inject;
+import com.l2jserver.model.world.character.event.CharacterMoveEvent;
+import com.l2jserver.service.AbstractService;
+import com.l2jserver.service.AbstractService.Depends;
+import com.l2jserver.service.ServiceStartException;
+import com.l2jserver.service.ServiceStopException;
+import com.l2jserver.service.game.CharacterService;
+import com.l2jserver.service.game.world.WorldService;
+import com.l2jserver.service.game.world.event.TypedWorldListener;
+import com.l2jserver.service.game.world.event.WorldEventDispatcher;
+import com.l2jserver.util.dimensional.Coordinate;
+import com.l2jserver.util.dimensional.Point;
+
+/**
+ * <h1>This implementation does not validate pathing!</h1>
+ * <p>
+ * This service does not handle pathing yet, instead in monitors client packets
+ * that send a location validation. With those packets, a database will be
+ * generated will all valid points in terrain. Later on, an system that allows
+ * uploading this data will be implemented and allowing the pathing data to be
+ * shared across all servers.
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+@Depends({ CharacterService.class, WorldService.class })
+public class MapperPathingService extends AbstractService implements
+		PathingService {
+	/**
+	 * The database file for the pathing engine
+	 */
+	private static final File file = new File("data/pathing.db");
+
+	/**
+	 * The logger
+	 */
+	private final Logger log = LoggerFactory.getLogger(this.getClass());
+
+	/**
+	 * The {@link WorldService} event dispatcher
+	 */
+	private final WorldEventDispatcher eventDispatcher;
+
+	/**
+	 * The database channel, will reamain open until service is stopped.
+	 */
+	private FileChannel channel;
+
+	/**
+	 * Creates a new instance
+	 * 
+	 * @param eventDispatcher
+	 *            the world event dispatcher
+	 */
+	@Inject
+	public MapperPathingService(WorldEventDispatcher eventDispatcher) {
+		this.eventDispatcher = eventDispatcher;
+	}
+
+	@Override
+	protected void doStart() throws ServiceStartException {
+		try {
+			this.channel = new FileOutputStream(file).getChannel();
+		} catch (FileNotFoundException e) {
+			throw new ServiceStartException(
+					"Could not open pathing database file", e);
+		}
+		eventDispatcher.addListener(new TypedWorldListener<CharacterMoveEvent>(
+				CharacterMoveEvent.class) {
+			@Override
+			protected boolean dispatch(CharacterMoveEvent e) {
+				final Point point = e.getPoint();
+				final CoordinateStruct struct = CoordinateStruct
+						.fromCoordinate(point.getCoordinate());
+				try {
+					channel.write(struct.getByteBuffer());
+				} catch (IOException e1) {
+					log.warn("Error writing pathing file!", e1);
+				}
+				return true;
+			}
+		});
+	}
+
+	@Override
+	protected void doStop() throws ServiceStopException {
+		try {
+			this.channel.close();
+		} catch (IOException e) {
+			throw new ServiceStopException(
+					"Could not close the pathing database file", e);
+		} finally {
+			this.channel = null;
+		}
+	}
+
+	/**
+	 * This is an Javolution {@link Struct} that represents a set of coordinate
+	 * stored in the database file
+	 * 
+	 * @author <a href="http://www.rogiel.com">Rogiel</a>
+	 */
+	public static class CoordinateStruct extends Struct {
+		public final Signed32 x = new Signed32();
+		public final Signed32 y = new Signed32();
+		public final Signed32 z = new Signed32();
+
+		public static CoordinateStruct fromCoordinate(Coordinate coordinate) {
+			final CoordinateStruct struct = new CoordinateStruct();
+			struct.x.set(coordinate.getX());
+			struct.y.set(coordinate.getY());
+			struct.z.set(coordinate.getZ());
+			return struct;
+		}
+	}
+}