1 files changed, 73 insertions, 0 deletions
diff --git a/src/common/Utilities/EventProcessor.h b/src/common/Utilities/EventProcessor.h
new file mode 100644
index 00000000000..3d54bd6f9f2
--- /dev/null
+++ b/src/common/Utilities/EventProcessor.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * 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 2 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/>.
+ */
+
+#ifndef __EVENTPROCESSOR_H
+#define __EVENTPROCESSOR_H
+
+#include "Define.h"
+
+#include <map>
+
+// Note. All times are in milliseconds here.
+
+class BasicEvent
+{
+    public:
+        BasicEvent()
+        {
+            to_Abort = false;
+            m_addTime = 0;
+            m_execTime = 0;
+        }
+        virtual ~BasicEvent() { }                           // override destructor to perform some actions on event removal
+
+        // this method executes when the event is triggered
+        // return false if event does not want to be deleted
+        // e_time is execution time, p_time is update interval
+        virtual bool Execute(uint64 /*e_time*/, uint32 /*p_time*/) { return true; }
+
+        virtual bool IsDeletable() const { return true; }   // this event can be safely deleted
+
+        virtual void Abort(uint64 /*e_time*/) { }           // this method executes when the event is aborted
+
+        bool to_Abort;                                      // set by externals when the event is aborted, aborted events don't execute
+        // and get Abort call when deleted
+
+        // these can be used for time offset control
+        uint64 m_addTime;                                   // time when the event was added to queue, filled by event handler
+        uint64 m_execTime;                                  // planned time of next execution, filled by event handler
+};
+
+typedef std::multimap<uint64, BasicEvent*> EventList;
+
+class EventProcessor
+{
+    public:
+        EventProcessor();
+        ~EventProcessor();
+
+        void Update(uint32 p_time);
+        void KillAllEvents(bool force);
+        void AddEvent(BasicEvent* Event, uint64 e_time, bool set_addtime = true);
+        uint64 CalculateTime(uint64 t_offset) const;
+    protected:
+        uint64 m_time;
+        EventList m_events;
+        bool m_aborting;
+};
+#endif