Java tutorial
/* * 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 net.sf.l2j.gameserver.instancemanager; import java.awt.Polygon; import java.awt.Shape; import java.io.File; import java.io.IOException; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import javax.xml.parsers.DocumentBuilderFactory; import javolution.util.FastList; import javolution.util.FastMap; import net.sf.l2j.Config; import net.sf.l2j.L2DatabaseFactory; import net.sf.l2j.gameserver.datatables.NpcTable; import net.sf.l2j.gameserver.datatables.SpawnTable; import net.sf.l2j.gameserver.model.L2ItemInstance; import net.sf.l2j.gameserver.model.L2Spawn; import net.sf.l2j.gameserver.model.actor.instance.L2NpcInstance; import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance; import net.sf.l2j.gameserver.model.entity.DimensionalRift; import net.sf.l2j.gameserver.model.quest.Quest; import net.sf.l2j.gameserver.network.serverpackets.NpcHtmlMessage; import net.sf.l2j.gameserver.templates.L2NpcTemplate; import net.sf.l2j.gameserver.util.Util; import net.sf.l2j.util.Rnd; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.w3c.dom.Document; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; /** * Thanks to L2Fortress and balancer.ru - kombat */ public class DimensionalRiftManager { private static Log _log = LogFactory.getLog(DimensionalRiftManager.class.getName()); private static DimensionalRiftManager _instance; private FastMap<Byte, FastMap<Byte, DimensionalRiftRoom>> _rooms = new FastMap<Byte, FastMap<Byte, DimensionalRiftRoom>>(); private final short DIMENSIONAL_FRAGMENT_ITEM_ID = 7079; public static DimensionalRiftManager getInstance() { if (_instance == null) { _instance = new DimensionalRiftManager(); new Quest(635, "RiftQuest", "Dummy Quest shown in players' questlist when inside the rift"); } return _instance; } private DimensionalRiftManager() { loadRooms(); loadSpawns(); } public DimensionalRiftRoom getRoom(byte type, byte room) { return _rooms.get(type) == null ? null : _rooms.get(type).get(room); } private void loadRooms() { Connection con = null; try { con = L2DatabaseFactory.getInstance().getConnection(); PreparedStatement s = con.prepareStatement("SELECT * FROM dimensional_rift"); ResultSet rs = s.executeQuery(); while (rs.next()) { // 0 waiting room, 1 recruit, 2 soldier, 3 officer, 4 captain , // 5 commander, 6 hero byte type = rs.getByte("type"); byte room_id = rs.getByte("room_id"); // coords related int xMin = rs.getInt("xMin"); int xMax = rs.getInt("xMax"); int yMin = rs.getInt("yMin"); int yMax = rs.getInt("yMax"); int z1 = rs.getInt("zMin"); int z2 = rs.getInt("zMax"); int xT = rs.getInt("xT"); int yT = rs.getInt("yT"); int zT = rs.getInt("zT"); boolean isBossRoom = rs.getByte("boss") > 0; if (!_rooms.containsKey(type)) _rooms.put(type, new FastMap<Byte, DimensionalRiftRoom>()); _rooms.get(type).put(room_id, new DimensionalRiftRoom(type, room_id, xMin, xMax, yMin, yMax, z1, z2, xT, yT, zT, isBossRoom)); } s.close(); con.close(); } catch (Exception e) { _log.warn("Can't load Dimension Rift zones. " + e); } finally { try { con.close(); } catch (Exception e) { /* do nothing */ } } int typeSize = _rooms.keySet().size(); int roomSize = 0; for (Byte b : _rooms.keySet()) roomSize += _rooms.get(b).keySet().size(); _log.info("DimensionalRiftManager: Loaded " + typeSize + " room types with " + roomSize + " rooms."); } public void loadSpawns() { int countGood = 0, countBad = 0; try { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setValidating(false); factory.setIgnoringComments(true); File file = new File(Config.DATAPACK_ROOT + "/data/dimensionalRift.xml"); if (!file.exists()) throw new IOException(); Document doc = factory.newDocumentBuilder().parse(file); NamedNodeMap attrs; byte type, roomId; int mobId, x, y, z, delay, count; L2Spawn spawnDat; L2NpcTemplate template; for (Node rift = doc.getFirstChild(); rift != null; rift = rift.getNextSibling()) { if ("rift".equalsIgnoreCase(rift.getNodeName())) { for (Node area = rift.getFirstChild(); area != null; area = area.getNextSibling()) { if ("area".equalsIgnoreCase(area.getNodeName())) { attrs = area.getAttributes(); type = Byte.parseByte(attrs.getNamedItem("type").getNodeValue()); for (Node room = area.getFirstChild(); room != null; room = room.getNextSibling()) { if ("room".equalsIgnoreCase(room.getNodeName())) { attrs = room.getAttributes(); roomId = Byte.parseByte(attrs.getNamedItem("id").getNodeValue()); for (Node spawn = room.getFirstChild(); spawn != null; spawn = spawn .getNextSibling()) { if ("spawn".equalsIgnoreCase(spawn.getNodeName())) { attrs = spawn.getAttributes(); mobId = Integer.parseInt(attrs.getNamedItem("mobId").getNodeValue()); delay = Integer.parseInt(attrs.getNamedItem("delay").getNodeValue()); count = Integer.parseInt(attrs.getNamedItem("count").getNodeValue()); template = NpcTable.getInstance().getTemplate(mobId); if (template == null) _log.warn("Template " + mobId + " not found!"); if (!_rooms.containsKey(type)) _log.warn("Type " + type + " not found!"); else if (!_rooms.get(type).containsKey(roomId)) _log.warn("Room " + roomId + " in Type " + type + " not found!"); for (int i = 0; i < count; i++) { DimensionalRiftRoom riftRoom = _rooms.get(type).get(roomId); x = riftRoom.getRandomX(); y = riftRoom.getRandomY(); z = riftRoom.getTeleportCoords()[2]; if (template != null && _rooms.containsKey(type) && _rooms.get(type).containsKey(roomId)) { spawnDat = new L2Spawn(template); spawnDat.setAmount(1); spawnDat.setLocx(x); spawnDat.setLocy(y); spawnDat.setLocz(z); spawnDat.setHeading(-1); spawnDat.setRespawnDelay(delay); SpawnTable.getInstance().addNewSpawn(spawnDat, false); _rooms.get(type).get(roomId).getSpawns().add(spawnDat); countGood++; } else { countBad++; } } } } } } } } } } } catch (Exception e) { _log.warn("Error on loading dimensional rift spawns: " + e); e.printStackTrace(); } _log.info("DimensionalRiftManager: Loaded " + countGood + " dimensional rift spawns, " + countBad + " errors."); } public void reload() { for (Byte b : _rooms.keySet()) { for (int i : _rooms.get(b).keySet()) { _rooms.get(b).get(i).getSpawns().clear(); } _rooms.get(b).clear(); } _rooms.clear(); loadRooms(); loadSpawns(); } public boolean checkIfInRiftZone(int x, int y, int z, boolean ignorePeaceZone) { if (ignorePeaceZone) return _rooms.get((byte) 0).get((byte) 1).checkIfInZone(x, y, z); else return _rooms.get((byte) 0).get((byte) 1).checkIfInZone(x, y, z) && !_rooms.get((byte) 0).get((byte) 0).checkIfInZone(x, y, z); } public boolean checkIfInPeaceZone(int x, int y, int z) { return _rooms.get((byte) 0).get((byte) 0).checkIfInZone(x, y, z); } public void teleportToWaitingRoom(L2PcInstance player) { int[] coords = getRoom((byte) 0, (byte) 0).getTeleportCoords(); player.teleToLocation(coords[0], coords[1], coords[2]); } public void start(L2PcInstance player, byte type, L2NpcInstance npc) { boolean canPass = true; if (!player.isInParty()) { showHtmlFile(player, "data/html/seven_signs/rift/NoParty.htm", npc); return; } if (player.getParty().getPartyLeaderOID() != player.getObjectId()) { showHtmlFile(player, "data/html/seven_signs/rift/NotPartyLeader.htm", npc); return; } if (player.getParty().isInDimensionalRift()) { handleCheat(player, npc); return; } if (player.getParty().getMemberCount() < Config.RIFT_MIN_PARTY_SIZE) { NpcHtmlMessage html = new NpcHtmlMessage(npc.getObjectId()); html.setFile("data/html/seven_signs/rift/SmallParty.htm"); html.replace("%npc_name%", npc.getName()); html.replace("%count%", new Integer(Config.RIFT_MIN_PARTY_SIZE).toString()); player.sendPacket(html); return; } for (L2PcInstance p : player.getParty().getPartyMembers()) if (!checkIfInPeaceZone(p.getX(), p.getY(), p.getZ())) canPass = false; if (!canPass) { showHtmlFile(player, "data/html/seven_signs/rift/NotInWaitingRoom.htm", npc); return; } L2ItemInstance i; for (L2PcInstance p : player.getParty().getPartyMembers()) { i = p.getInventory().getItemByItemId(DIMENSIONAL_FRAGMENT_ITEM_ID); if (i == null) { canPass = false; break; } if (i.getCount() > 0) if (i.getCount() < getNeededItems(type)) canPass = false; } if (!canPass) { NpcHtmlMessage html = new NpcHtmlMessage(npc.getObjectId()); html.setFile("data/html/seven_signs/rift/NoFragments.htm"); html.replace("%npc_name%", npc.getName()); html.replace("%count%", new Integer(getNeededItems(type)).toString()); player.sendPacket(html); return; } for (L2PcInstance p : player.getParty().getPartyMembers()) { i = p.getInventory().getItemByItemId(DIMENSIONAL_FRAGMENT_ITEM_ID); p.destroyItem("RiftEntrance", i.getObjectId(), getNeededItems(type), null, false); } new DimensionalRift(player.getParty(), type, (byte) Rnd.get(1, 9)); } public void killRift(DimensionalRift d) { if (d.getTeleportTimerTask() != null) d.getTeleportTimerTask().cancel(); d.setTeleportTimerTask(null); if (d.getTeleportTimer() != null) d.getTeleportTimer().cancel(); d.setTeleportTimer(null); if (d.getSpawnTimerTask() != null) d.getSpawnTimerTask().cancel(); d.setSpawnTimerTask(null); if (d.getSpawnTimer() != null) d.getSpawnTimer().cancel(); d.setSpawnTimer(null); } public class DimensionalRiftRoom { protected final byte _type; protected final byte _room; private final int _xMin; private final int _xMax; private final int _yMin; private final int _yMax; private final int _zMin; private final int _zMax; private final int[] _teleportCoords; private final Shape _s; private final boolean _isBossRoom; private final FastList<L2Spawn> _roomSpawns; protected final FastList<L2NpcInstance> _roomMobs; public DimensionalRiftRoom(byte type, byte room, int xMin, int xMax, int yMin, int yMax, int zMin, int zMax, int xT, int yT, int zT, boolean isBossRoom) { _type = type; _room = room; _xMin = xMin + 128; _xMax = xMax - 128; _yMin = yMin + 128; _yMax = yMax - 128; _zMin = zMin; _zMax = zMax; _teleportCoords = new int[] { xT, yT, zT }; _isBossRoom = isBossRoom; _roomSpawns = new FastList<L2Spawn>(); _roomMobs = new FastList<L2NpcInstance>(); _s = new Polygon(new int[] { xMin, xMax, xMax, xMin }, new int[] { yMin, yMin, yMax, yMax }, 4); } public int getRandomX() { return Rnd.get(_xMin, _xMax); } public int getRandomY() { return Rnd.get(_yMin, _yMax); } public int[] getTeleportCoords() { return _teleportCoords; } public boolean checkIfInZone(int x, int y, int z) { return _s.contains(x, y) && z >= _zMin && z <= _zMax; } public boolean isBossRoom() { return _isBossRoom; } public FastList<L2Spawn> getSpawns() { return _roomSpawns; } public void spawn() { for (L2Spawn spawn : _roomSpawns) { spawn.doSpawn(); spawn.startRespawn(); } } public void unspawn() { for (L2Spawn spawn : _roomSpawns) { spawn.stopRespawn(); if (spawn.getLastSpawn() != null) spawn.getLastSpawn().deleteMe(); } } } private int getNeededItems(byte type) { switch (type) { case 1: return Config.RIFT_ENTER_COST_RECRUIT; case 2: return Config.RIFT_ENTER_COST_SOLDIER; case 3: return Config.RIFT_ENTER_COST_OFFICER; case 4: return Config.RIFT_ENTER_COST_CAPTAIN; case 5: return Config.RIFT_ENTER_COST_COMMANDER; case 6: return Config.RIFT_ENTER_COST_HERO; default: return 999999; } } public void showHtmlFile(L2PcInstance player, String file, L2NpcInstance npc) { NpcHtmlMessage html = new NpcHtmlMessage(npc.getObjectId()); html.setFile(file); html.replace("%npc_name%", npc.getName()); player.sendPacket(html); } public void handleCheat(L2PcInstance player, L2NpcInstance npc) { showHtmlFile(player, "data/html/seven_signs/rift/Cheater.htm", npc); if (!player.isGM()) { _log.warn("Player " + player.getName() + "(" + player.getObjectId() + ") was cheating in dimension rift area!"); Util.handleIllegalPlayerAction(player, "Warning!! Character " + player.getName() + " tried to cheat in dimensional rift.", Config.DEFAULT_PUNISH); } } }