/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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 3 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, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  plNoteTrackWatcher - Dummy object to watch for notetrack additions or   //
//                       removals from the main material that owns it.      //
//                       All of this is required because MAX will notify    //
//                       an object's dependents about notetrack actions but //
//                       NOT the object itself, and the Add/DeleteNoteTrack //
//                       functions are non-virtual. ARRRGH!                 //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#ifndef _plNoteTrackWatcher_h
#define _plNoteTrackWatcher_h

#include "Max.h"
#include "iparamb2.h"
#include "iparamm2.h"

#include "hsTypes.h"

extern TCHAR *GetString(int id);
extern HINSTANCE hInstance;

#define NTWATCHER_CLASSID       Class_ID(0x313f531e, 0xa5f132f)

#define REFMSG_NOTETRACK_ADDED  REFMSG_USER + 1

class plPassMtlBase;
class NoteTrack;

//// Class Def ///////////////////////////////////////////////////////////////

class plNoteTrackWatcher : public ReferenceMaker
{
protected:
    plPassMtlBase   *fParentMtl;

    // For tracking notetrack additions to the parent
    int             fNoteTrackCount;

public:

    enum Refs
    {
        kRefParentMtl = 0
    };

    plNoteTrackWatcher( plPassMtlBase *parentMtl );
    virtual ~plNoteTrackWatcher();
    void DeleteThis() { delete this; }

    Class_ID    ClassID()               { return NTWATCHER_CLASSID; }      
    SClass_ID   SuperClassID()          { return REF_MAKER_CLASS_ID; }
    
    int             NumRefs();
    RefTargetHandle GetReference(int i);
    void            SetReference(int i, RefTargetHandle rtarg);
    RefResult       NotifyRefChanged(Interval changeInt,RefTargetHandle hTarget, PartID& partID, RefMessage message);

    virtual BOOL    IsRealDependency( ReferenceTarget *rtarg );
};

#endif //_plNoteTrackWatcher_h