Panda3D
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00001 // Filename: eggNurbsSurface.h 00002 // Created by: drose (15Feb00) 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 EGGNURBSSURFACE_H 00016 #define EGGNURBSSURFACE_H 00017 00018 #include "pandabase.h" 00019 00020 #include "eggSurface.h" 00021 #include "eggNurbsCurve.h" 00022 #include "vector_double.h" 00023 #include "plist.h" 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : EggNurbsSurface 00027 // Description : A parametric NURBS surface. 00028 //////////////////////////////////////////////////////////////////// 00029 class EXPCL_PANDAEGG EggNurbsSurface : public EggSurface { 00030 PUBLISHED: 00031 typedef plist< PT(EggNurbsCurve) > Curves; 00032 typedef Curves Loop; 00033 typedef plist<Loop> Loops; 00034 typedef Loops Trim; 00035 typedef plist<Trim> Trims; 00036 00037 INLINE EggNurbsSurface(const string &name = ""); 00038 INLINE EggNurbsSurface(const EggNurbsSurface ©); 00039 INLINE EggNurbsSurface &operator = (const EggNurbsSurface ©); 00040 00041 void setup(int u_order, int v_order, 00042 int num_u_knots, int num_v_knots); 00043 00044 INLINE void set_u_order(int u_order); 00045 INLINE void set_v_order(int v_order); 00046 void set_num_u_knots(int num); 00047 void set_num_v_knots(int num); 00048 00049 INLINE void set_u_knot(int k, double value); 00050 INLINE void set_v_knot(int k, double value); 00051 INLINE void set_cv(int ui, int vi, EggVertex *vertex); 00052 00053 bool is_valid() const; 00054 00055 INLINE int get_u_order() const; 00056 INLINE int get_v_order() const; 00057 INLINE int get_u_degree() const; 00058 INLINE int get_v_degree() const; 00059 INLINE int get_num_u_knots() const; 00060 INLINE int get_num_v_knots() const; 00061 INLINE int get_num_u_cvs() const; 00062 INLINE int get_num_v_cvs() const; 00063 INLINE int get_num_cvs() const; 00064 00065 INLINE int get_u_index(int vertex_index) const; 00066 INLINE int get_v_index(int vertex_index) const; 00067 INLINE int get_vertex_index(int ui, int vi) const; 00068 00069 bool is_closed_u() const; 00070 bool is_closed_v() const; 00071 00072 INLINE double get_u_knot(int k) const; 00073 MAKE_SEQ(get_u_knots, get_num_u_knots, get_u_knot); 00074 INLINE double get_v_knot(int k) const; 00075 MAKE_SEQ(get_v_knots, get_num_v_knots, get_v_knot); 00076 INLINE EggVertex *get_cv(int ui, int vi) const; 00077 00078 virtual void write(ostream &out, int indent_level) const; 00079 00080 Curves _curves_on_surface; 00081 Trims _trims; 00082 00083 protected: 00084 virtual void r_apply_texmats(EggTextureCollection &textures); 00085 00086 private: 00087 typedef vector_double Knots; 00088 Knots _u_knots; 00089 Knots _v_knots; 00090 int _u_order; 00091 int _v_order; 00092 00093 public: 00094 00095 static TypeHandle get_class_type() { 00096 return _type_handle; 00097 } 00098 static void init_type() { 00099 EggSurface::init_type(); 00100 register_type(_type_handle, "EggNurbsSurface", 00101 EggSurface::get_class_type()); 00102 } 00103 virtual TypeHandle get_type() const { 00104 return get_class_type(); 00105 } 00106 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00107 00108 private: 00109 static TypeHandle _type_handle; 00110 00111 }; 00112 00113 #include "eggNurbsSurface.I" 00114 00115 #endif