/* 
 * File:   AStateMachine.hpp
 * Author: jens
 *
 * Created on 21. Januar 2015, 05:20
 */

#ifndef ASTATEMACHINE_HPP
#define	ASTATEMACHINE_HPP

#include "IStateMachine.hpp"
#include "AState.hpp"

class AStateMachine : public IStateMachine
{
public:

	AStateMachine()
	: m_stateCurr(NUM_STATES)
	, m_stateNext(INIT)
	{
	}
	
	virtual ~AStateMachine()
	{
	}
	
	void add(StateId stateId, AState *pState)
	{
		pState->registerStateMachine(this);
		m_states[stateId] = pState;
	}
	
	void setState(StateId stateId)
	{
		m_stateNext = stateId;
	}
	
	bool transition()
	{
		bool isTransition = (m_stateNext != m_stateCurr);
		
		m_stateCurr = m_stateNext;
		
		return isTransition;
	}
protected:
	StateId m_stateCurr;
	StateId m_stateNext;
	AState *m_states[NUM_STATES];
	
};


#endif	/* ASTATEMACHINE_HPP */