///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2002-2025, Open Design Alliance (the "Alliance").
// All rights reserved.
//
// This software and its documentation and related materials are owned by
// the Alliance. The software may only be incorporated into application
// programs owned by members of the Alliance, subject to a signed
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable
// trade secrets of the Alliance and its suppliers. The software is also
// protected by copyright law and international treaty provisions. Application
// programs incorporating this software must include the following statement
// with their copyright notices:
//
//   This application incorporates Open Design Alliance software pursuant to a license
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance.
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you
// acknowledge and accept the above terms.
///////////////////////////////////////////////////////////////////////////////

#ifndef TVANDDRAGGERS_H
#define TVANDDRAGGERS_H

#include <stdio.h>
#include "Tools/TvDragger.h"
#include "TvAndCore.h"

//structure for storing viewport params
struct OdTvViewportParams
{
  OdTvViewportParams();

  //save camera params
  void store(OdTvGsViewPtr pView);

  //restore saved param to view
  void setup(OdTvExtendedView* pTvExtendedView) const;

  OdTvPoint position;
  OdTvPoint target;
  OdTvVector up;
  double fieldWidth;
  double fieldHeight;
  OdTvGsView::Projection projectionType;
};

////////////////////////////////////////////
////// TvAndBaseDragger implementation ///////
////////////////////////////////////////////
class TvAndBaseDragger : public OdTvDragger
{
public :
    TvAndBaseDragger(OdTvGsDeviceId& tvDeviceId, OdTvModelId& tvDraggersModelId, TvAndGlobalParameters* pParams)
    : OdTvDragger (tvDeviceId, tvDraggersModelId), m_pGlobalParams(pParams), m_bFixedFrameRateEnabled(false) {}
    ~TvAndBaseDragger() {}
    
    virtual eDraggerResult drag(int x, int y);
    virtual eDraggerResult nextpointup(int x, int y);
    
protected:
    TvAndGlobalParameters* m_pGlobalParams;
    bool m_bFixedFrameRateEnabled;
};

////////////////////////////////////////////
////// TvAndPanDragger implementation ////////
////////////////////////////////////////////
class TvAndPanDragger : public TvAndBaseDragger
{
    public :
    TvAndPanDragger(OdTvGsDeviceId& tvDeviceId, OdTvModelId& tvDraggersModelId, TvAndGlobalParameters* pParams)
    : TvAndBaseDragger (tvDeviceId, tvDraggersModelId, pParams) {}
    ~TvAndPanDragger() {}
    
    virtual eDraggerResult start(OdTvDraggerPtr pPrevDragger, OdTvExtendedView* pExtendedView);
    virtual eDraggerResult nextpoint(int x, int y);
    virtual eDraggerResult drag(int x, int y);
    virtual eDraggerResult nextpointup(int x, int y);
    
private:
    // last cliked or moved point (WCS)
    OdGePoint3d m_prevPt;
    // last camera position (WCS)
    OdGePoint3d m_pos;
};

////////////////////////////////////////////
///// TvAndOrbitDragger implementation ///////
////////////////////////////////////////////
class TvAndOrbitDragger : public TvAndBaseDragger
{
public:
    TvAndOrbitDragger(OdTvGsDeviceId& tvDeviceId, OdTvModelId& tvDraggersModelId, TvAndGlobalParameters* pParams);
    ~TvAndOrbitDragger() {}
    
    eDraggerResult start(OdTvDraggerPtr pPrevDragger, OdTvExtendedView* pExtendedView);
    eDraggerResult nextpoint(int x, int y);
    eDraggerResult drag(int x, int y);
    eDraggerResult nextpointup(int x, int y);
    
private:
    OdTvDCPoint m_startCursorPosition;
    OdTvViewportParams m_viewportParams;
};

#endif //TVANDDRAGGERS_H