Core/Maps: Enabled maps updater. and reduce cpu usage (i hope)

2018-05-13 20:27:55 -04:00
parent 7d4c0b7634
commit a1f9818037
3 changed files with 167 additions and 46 deletions
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2012-2018 CypherCore <http://github.com/CypherCore>
+ * 
+ * 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/>.
+ */
+
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Framework.Threading
+{
+    public class ProducerConsumerQueue<T>
+    {
+        object _queueLock = new object();
+        Queue<T> _queue = new Queue<T>();
+        volatile bool _shutdown;
+
+        public ProducerConsumerQueue()
+        {
+            _shutdown = false;
+        }
+
+        public void Push(T value)
+        {
+            lock (_queueLock)
+            {
+                _queue.Enqueue(value);
+                Monitor.PulseAll(_queueLock);
+            }
+        }
+
+        public bool Empty()
+        {
+            lock (_queueLock)
+                return _queue.Count == 0;
+        }
+
+        public bool Pop(out T value)
+        {
+            value = default(T);
+            lock (_queueLock)
+            {
+                if (_queue.Count == 0 || _shutdown)
+                    return false;
+
+                value = _queue.Dequeue();
+                return true;
+            }
+        }
+
+        public void WaitAndPop(out T value)
+        {
+            value = default(T);
+            lock (_queueLock)
+            {
+                while (_queue.Count == 0 && !_shutdown)
+                    Monitor.Wait(_queueLock);
+
+                if (_queue.Count == 0 || _shutdown)
+                    return;
+
+                value = _queue.Dequeue();
+            }
+        }
+
+        public void Cancel()
+        {
+            lock (_queueLock)
+            {
+                while (_queue.Count != 0)
+                {
+                    T value = _queue.Dequeue();
+                }
+
+                _shutdown = true;
+                Monitor.PulseAll(_queueLock);
+            }
+        }
+    }
+}