SCA_IActuator.h

Go to the documentation of this file.

/*
 * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 *****
 */

#ifndef __KX_IACTUATOR
#define __KX_IACTUATOR

#include "SCA_IController.h"
#include <vector>

class SCA_IActuator : public SCA_ILogicBrick
{
    friend class SCA_LogicManager;
protected:
    int                  m_type;
    int                  m_links;   // number of active links to controllers
                                    // when 0, the actuator is automatically stopped
    //std::vector<CValue*> m_events;
    bool                 m_posevent;
    bool                 m_negevent;

    std::vector<class SCA_IController*>     m_linkedcontrollers;

    void RemoveAllEvents()
    {
        m_posevent = false;
        m_negevent = false;
    }


public:
    enum KX_ACTUATOR_TYPE {
        KX_ACT_OBJECT,
        KX_ACT_IPO,
        KX_ACT_CAMERA,
        KX_ACT_SOUND,
        KX_ACT_PROPERTY,
        KX_ACT_ADD_OBJECT,
        KX_ACT_END_OBJECT,
        KX_ACT_DYNAMIC,
        KX_ACT_REPLACE_MESH,
        KX_ACT_TRACKTO,
        KX_ACT_CONSTRAINT,
        KX_ACT_SCENE,
        KX_ACT_RANDOM,
        KX_ACT_MESSAGE,
        KX_ACT_ACTION,
        KX_ACT_CD,
        KX_ACT_GAME,
        KX_ACT_VISIBILITY,
        KX_ACT_2DFILTER,
        KX_ACT_PARENT,
        KX_ACT_SHAPEACTION,
        KX_ACT_STATE,
        KX_ACT_ARMATURE,
        KX_ACT_STEERING,
    };

    SCA_IActuator(SCA_IObject* gameobj, KX_ACTUATOR_TYPE type); 

    virtual bool UnlinkObject(SCA_IObject* clientobj) { return false; }

    virtual bool Update(double curtime, bool frame);
    virtual bool Update();

    //void AddEvent(CValue* event)
    void AddEvent(bool event)
    {
        if (event)
            m_posevent = true;
        else
            m_negevent = true;
    }

    virtual void ProcessReplica();

    bool IsNegativeEvent() const
    {
        return !m_posevent && m_negevent;
    }

    virtual ~SCA_IActuator();

    virtual void Deactivate();
    virtual void Activate(SG_DList& head);

    void    LinkToController(SCA_IController* controller);
    void    UnlinkController(class SCA_IController* cont);
    void    UnlinkAllControllers();

    void ClrLink() { m_links=0; }
    void IncLink() { m_links++; }
    void DecLink();
    bool IsNoLink() const { return !m_links; }
    bool IsType(KX_ACTUATOR_TYPE type) { return m_type == type; }
    
#ifdef WITH_CXX_GUARDEDALLOC
public:
    void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:SCA_IActuator"); }
    void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif //__KX_IACTUATOR