Panda3D
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00001 // Filename: fltCurve.h 00002 // Created by: drose (28Feb01) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef FLTCURVE_H 00016 #define FLTCURVE_H 00017 00018 #include "pandatoolbase.h" 00019 00020 #include "fltBeadID.h" 00021 #include "fltHeader.h" 00022 00023 #include "luse.h" 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : FltCurve 00027 // Description : A single curve, like a Bezier or B-Spline. 00028 //////////////////////////////////////////////////////////////////// 00029 class FltCurve : public FltBeadID { 00030 public: 00031 FltCurve(FltHeader *header); 00032 00033 enum CurveType { 00034 CT_b_spline = 4, 00035 CT_cardinal = 5, 00036 CT_bezier = 6 00037 }; 00038 00039 typedef pvector<LPoint3d> ControlPoints; 00040 00041 CurveType _curve_type; 00042 ControlPoints _control_points; 00043 00044 public: 00045 INLINE int get_num_control_points() const; 00046 INLINE const LPoint3d &get_control_point(int n) const; 00047 00048 00049 protected: 00050 virtual bool extract_record(FltRecordReader &reader); 00051 virtual bool build_record(FltRecordWriter &writer) const; 00052 00053 public: 00054 virtual TypeHandle get_type() const { 00055 return get_class_type(); 00056 } 00057 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00058 static TypeHandle get_class_type() { 00059 return _type_handle; 00060 } 00061 static void init_type() { 00062 FltBeadID::init_type(); 00063 register_type(_type_handle, "FltCurve", 00064 FltBeadID::get_class_type()); 00065 } 00066 00067 private: 00068 static TypeHandle _type_handle; 00069 }; 00070 00071 #include "fltCurve.I" 00072 00073 #endif 00074 00075