/**
 * $Id$
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "SCA_IController.h"
#include "SCA_LogicManager.h"
#include "SCA_IActuator.h"
#include "SCA_ISensor.h"

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

SCA_IController::SCA_IController(SCA_IObject* gameobj,
								 PyTypeObject* T)
	:
	m_statemask(0),
	SCA_ILogicBrick(gameobj,T)
{
}
	

	
SCA_IController::~SCA_IController()
{
	UnlinkAllActuators();
}



const std::vector<class SCA_ISensor*>& SCA_IController::GetLinkedSensors()
{
	return m_linkedsensors;
}



const std::vector<class SCA_IActuator*>& SCA_IController::GetLinkedActuators()
{
	return m_linkedactuators;
}



void SCA_IController::UnlinkAllSensors()
{
	if (IsActive()) 
	{
		std::vector<class SCA_ISensor*>::iterator sensit;
		for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
		{
			(*sensit)->DecLink();
		}
	}
	m_linkedsensors.clear();
}



void SCA_IController::UnlinkAllActuators()
{
	if (IsActive()) 
	{
		std::vector<class SCA_IActuator*>::iterator actit;
		for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
		{
			(*actit)->DecLink();
		}
	}
	m_linkedactuators.clear();
}



/*
void SCA_IController::Trigger(SCA_LogicManager* logicmgr)
{
	//for (int i=0;i<m_linkedactuators.size();i++)
	for (vector<SCA_IActuator*>::const_iterator i=m_linkedactuators.begin();
	!(i==m_linkedactuators.end());i++)
	{
		SCA_IActuator* actua = *i;//m_linkedactuators.at(i);
		
		logicmgr->AddActiveActuator(actua);
	}

}
*/

void SCA_IController::LinkToActuator(SCA_IActuator* actua)
{
	m_linkedactuators.push_back(actua);
	if (IsActive())
	{
		actua->IncLink();
	}
}

void	SCA_IController::UnlinkActuator(class SCA_IActuator* actua)
{
	std::vector<class SCA_IActuator*>::iterator actit;
	for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
	{
		if ((*actit) == actua)
		{
			break;
		}
		
	}
	if (!(actit==m_linkedactuators.end()))
	{
		if (IsActive())
		{
			(*actit)->DecLink();
		}
		m_linkedactuators.erase(actit);
	}
}

void SCA_IController::LinkToSensor(SCA_ISensor* sensor)
{
	m_linkedsensors.push_back(sensor);
	if (IsActive())
	{
		sensor->IncLink();
	}
}

void SCA_IController::UnlinkSensor(class SCA_ISensor* sensor)
{
	std::vector<class SCA_ISensor*>::iterator sensit;
	for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
	{
		if ((*sensit) == sensor)
		{
			break;
		}
		
	}
	if (!(sensit==m_linkedsensors.end()))
	{
		if (IsActive())
		{
			(*sensit)->DecLink();
		}
		m_linkedsensors.erase(sensit);
	}
}

void SCA_IController::ApplyState(unsigned int state)
{
	std::vector<class SCA_IActuator*>::iterator actit;
	std::vector<class SCA_ISensor*>::iterator sensit;

	if (m_statemask & state) 
	{
		if (!IsActive()) 
		{
			// reactive the controller, all the links to actuator are valid again
			for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
			{
				(*actit)->IncLink();
			}
			for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
			{
				(*sensit)->IncLink();
				// remember that this controller just activated that sensor
				(*sensit)->AddNewController(this);
			}
			SetActive(true);
		}
	} else if (IsActive())
	{
		for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
		{
			(*actit)->DecLink();
		}
		for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
		{
			(*sensit)->DecLink();
		}
		SetActive(false);
	}
}