StateMachine.h from palisma2d at Krugle

Show StateMachine.h syntax highlighted

/**
**************************************************************************************
*Palisma - Secrets of the Illuminati is an open-source 2D RPG                        *
*Copyright (C) 2006, Tony Sparks                                                     *
*                                                                                    *
*This library is free software; you can redistribute it and/or                       *
*modify it under the terms of the GNU Lesser General Public                          *
*License as published by the Free Software Foundation; either                        *
*version 2.1 of the License, or (at your option) any later version.                  *
*                                                                                    *
*This library 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                   *
*Lesser General Public License for more details.                                     *
*                                                                                    *
*You should have received a copy of the GNU Lesser General Public                    *
*License along with this library; if not, write to the Free Software                 *
*Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA      *
**************************************************************************************
*/
#pragma once

#include "../mmanager.h"
#include "state.h"

//class State;

class StateMachine : public IMMObject
{
public:

    StateMachine(): m_pOwner(NULL), m_pCurrentState(NULL), 
                    m_pPreviousState(NULL), m_pGlobalState(NULL) {};
    void SetOwner(IEntity* owner) { m_pOwner = owner; };
    void SetCurrentState(State* s){  m_pCurrentState = s;}
    void SetGlobalState(State* s) {  m_pGlobalState = s;}
    void SetPreviousState(State* s){ m_pPreviousState = s;}

    State* GetCurrentState() { return m_pCurrentState; };
    State* GetGlobalState()  { return m_pGlobalState;  };
    State* GetPreviousState(){ return m_pPreviousState;};

	void Update();

	void ChangeState( State* pNewState );
    void RevertToPreviousState() { ChangeState(m_pPreviousState); };

    bool IsInState( State* s ) { return s == m_pCurrentState; };
    
    virtual ~StateMachine(void){};

    AUTO_SIZE;

private: 
    //a pointer to the agent that owns this instance
    IEntity*          m_pOwner;
    State*   m_pCurrentState;
    //a record of the last state the agent was in
    State*   m_pPreviousState;
    //this state logic is called every time the FSM is updated
    State*   m_pGlobalState;
};
See more files for this project here