Rename and clean up MapleMiniDungeon

src/main/java/server/maps/MiniDungeon.java

@@ -0,0 +1,124 @@
+/*
+    This file is part of the HeavenMS MapleStory Server
+    Copyleft (L) 2016 - 2019 RonanLana
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package server.maps;
+
+import client.Character;
+import net.server.audit.locks.MonitoredLockType;
+import net.server.audit.locks.factory.MonitoredReentrantLockFactory;
+import server.TimerManager;
+import tools.PacketCreator;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.locks.Lock;
+
+/**
+ * @author Ronan
+ */
+public class MiniDungeon {
+    List<Character> players = new ArrayList<>();
+    ScheduledFuture<?> timeoutTask = null;
+    Lock lock = MonitoredReentrantLockFactory.createLock(MonitoredLockType.MINIDUNGEON, true);
+
+    int baseMap;
+    long expireTime;
+
+    public MiniDungeon(int base, long timeLimit) {
+        baseMap = base;
+        expireTime = timeLimit * 1000;
+
+        timeoutTask = TimerManager.getInstance().schedule(() -> close(), expireTime);
+
+        expireTime += System.currentTimeMillis();
+    }
+
+    public boolean registerPlayer(Character chr) {
+        int time = (int) ((expireTime - System.currentTimeMillis()) / 1000);
+        if (time > 0) {
+            chr.sendPacket(PacketCreator.getClock(time));
+        }
+
+        lock.lock();
+        try {
+            if (timeoutTask == null) {
+                return false;
+            }
+
+            players.add(chr);
+        } finally {
+            lock.unlock();
+        }
+
+        return true;
+    }
+
+    public boolean unregisterPlayer(Character chr) {
+        chr.sendPacket(PacketCreator.removeClock());
+
+        lock.lock();
+        try {
+            players.remove(chr);
+
+            if (players.isEmpty()) {
+                dispose();
+                return false;
+            }
+        } finally {
+            lock.unlock();
+        }
+
+        if (chr.isPartyLeader()) {  // thanks Conrad for noticing party is not sent out of the MD as soon as leader leaves it
+            close();
+        }
+
+        return true;
+    }
+
+    public void close() {
+        lock.lock();
+        try {
+            List<Character> lchr = new ArrayList<>(players);
+
+            for (Character chr : lchr) {
+                chr.changeMap(baseMap);
+            }
+
+            dispose();
+            timeoutTask = null;
+        } finally {
+            lock.unlock();
+        }
+    }
+
+    public void dispose() {
+        lock.lock();
+        try {
+            players.clear();
+
+            if (timeoutTask != null) {
+                timeoutTask.cancel(false);
+                timeoutTask = null;
+            }
+        } finally {
+            lock.unlock();
+        }
+    }
+}