diff engine/core/eventchannel/trigger/ec_trigger.h @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children 90005975cdbb
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/core/eventchannel/trigger/ec_trigger.h	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,104 @@
+/***************************************************************************
+*   Copyright (C) 2005-2008 by the FIFE team                              *
+*   http://www.fifengine.de                                               *
+*   This file is part of FIFE.                                            *
+*                                                                         *
+*   FIFE 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, write to the                         *
+*   Free Software Foundation, Inc.,                                       *
+*   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
+***************************************************************************/
+
+#ifndef FIFE_EVENTCHANNEL_TRIGGER_H
+#define FIFE_EVENTCHANNEL_TRIGGER_H
+
+// Standard C++ library includes
+//
+#include <list>
+
+// 3rd party library includes
+//
+
+// FIFE includes
+// These includes are split up in two parts, separated by one empty line
+// First block: files included from the FIFE root src directory
+// Second block: files included from the same folder
+//
+
+#include "ec_itriggercontroller.h"
+#include "ec_itriggerlistener.h"
+
+namespace FIFE {
+
+  /**
+  * A trigger is fired when certain preconditions met
+  */
+  class Trigger : public ITriggerController {
+
+  public:
+
+	Trigger(ITriggerListener& listener){
+	  registerListener(listener);
+	}
+
+	Trigger() { };
+
+	virtual ~Trigger(){
+	  m_triggers.clear();
+	}
+
+	void pollTrigger(){
+	  if(requirementsMet()){
+		pollTriggers();
+	  }
+	}
+
+	virtual bool requirementsMet(){
+	  return false;
+	}
+
+	void registerTrigger(Trigger& trigger){
+	  m_triggers.push_back(&trigger);
+	}
+
+	void unregisterTrigger(Trigger& trigger){
+	  m_triggers.remove(&trigger);
+	}
+
+	void pollTriggers(){
+	  for (std::list<Trigger*>::iterator it = m_triggers.begin(); it!=m_triggers.end(); ++it) {
+		(*it)->pollTrigger();
+	  }
+	}
+
+	void fireTrigger(){
+	  for (std::list<ITriggerListener*>::iterator it = m_listeners.begin(); it!=m_listeners.end(); ++it) {
+		(*it)->triggerFired();
+	  }
+	}
+
+	void registerListener(ITriggerListener& triggerlistener){
+	  m_listeners.push_back(&triggerlistener);
+	}
+
+	void unregisterListener(ITriggerListener& triggerlistener){
+	  m_listeners.remove(&triggerlistener);
+	}
+
+  protected:
+	std::list<ITriggerListener*> m_listeners;
+	std::list<Trigger*> m_triggers;
+  };
+}
+
+#endif