Using TC structure allowing easier patches importing

src/common/Utilities/EventProcessor.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#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;
+
+        // Xinef: calculates next queue tick time
+        uint64 CalculateQueueTime(uint64 delay) const;
+
+    protected:
+        uint64 m_time;
+        EventList m_events;
+        bool m_aborting;
+};
+#endif