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pandatool/src/flt/fltCurve.h

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// Filename: fltCurve.h
// Created by:  drose (28Feb01)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

#ifndef FLTCURVE_H
#define FLTCURVE_H

#include <pandatoolbase.h>

#include "fltBeadID.h"
#include "fltHeader.h"

#include <luse.h>

////////////////////////////////////////////////////////////////////
//       Class : FltCurve
// Description : A single curve, like a Bezier or B-Spline.
////////////////////////////////////////////////////////////////////
class FltCurve : public FltBeadID {
public:
  FltCurve(FltHeader *header);

  enum CurveType {
    CT_b_spline            = 4,
    CT_cardinal            = 5,
    CT_bezier              = 6
  };

  typedef pvector<LPoint3d> ControlPoints;

  CurveType _curve_type;
  ControlPoints _control_points;

public:
  INLINE int get_num_control_points() const;
  INLINE const LPoint3d &get_control_point(int n) const;


protected:
  virtual bool extract_record(FltRecordReader &reader);
  virtual bool build_record(FltRecordWriter &writer) const;

public:
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    FltBeadID::init_type();
    register_type(_type_handle, "FltCurve",
                  FltBeadID::get_class_type());
  }

private:
  static TypeHandle _type_handle;
};

#include "fltCurve.I"

#endif

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