119 lines
3 KiB
C++
119 lines
3 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file eggNurbsSurface.h
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* @author drose
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* @date 2000-02-15
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*/
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#ifndef EGGNURBSSURFACE_H
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#define EGGNURBSSURFACE_H
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#include "pandabase.h"
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#include "eggSurface.h"
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#include "eggNurbsCurve.h"
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#include "vector_double.h"
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#include "plist.h"
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/**
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* A parametric NURBS surface.
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*/
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class EXPCL_PANDA_EGG EggNurbsSurface : public EggSurface {
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PUBLISHED:
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typedef plist< PT(EggNurbsCurve) > Curves;
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typedef Curves Loop;
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typedef plist<Loop> Loops;
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typedef Loops Trim;
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typedef plist<Trim> Trims;
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INLINE explicit EggNurbsSurface(const std::string &name = "");
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INLINE EggNurbsSurface(const EggNurbsSurface ©);
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INLINE EggNurbsSurface &operator = (const EggNurbsSurface ©);
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virtual EggNurbsSurface *make_copy() const override;
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void setup(int u_order, int v_order,
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int num_u_knots, int num_v_knots);
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INLINE void set_u_order(int u_order);
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INLINE void set_v_order(int v_order);
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void set_num_u_knots(int num);
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void set_num_v_knots(int num);
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INLINE void set_u_knot(int k, double value);
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INLINE void set_v_knot(int k, double value);
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INLINE void set_cv(int ui, int vi, EggVertex *vertex);
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bool is_valid() const;
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INLINE int get_u_order() const;
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INLINE int get_v_order() const;
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INLINE int get_u_degree() const;
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INLINE int get_v_degree() const;
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INLINE int get_num_u_knots() const;
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INLINE int get_num_v_knots() const;
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INLINE int get_num_u_cvs() const;
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INLINE int get_num_v_cvs() const;
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INLINE int get_num_cvs() const;
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INLINE int get_u_index(int vertex_index) const;
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INLINE int get_v_index(int vertex_index) const;
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INLINE int get_vertex_index(int ui, int vi) const;
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bool is_closed_u() const;
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bool is_closed_v() const;
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INLINE double get_u_knot(int k) const;
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MAKE_SEQ(get_u_knots, get_num_u_knots, get_u_knot);
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INLINE double get_v_knot(int k) const;
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MAKE_SEQ(get_v_knots, get_num_v_knots, get_v_knot);
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INLINE EggVertex *get_cv(int ui, int vi) const;
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virtual void write(std::ostream &out, int indent_level) const override;
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public:
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Curves _curves_on_surface;
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Trims _trims;
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protected:
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virtual void r_apply_texmats(EggTextureCollection &textures) override;
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private:
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typedef vector_double Knots;
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Knots _u_knots;
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Knots _v_knots;
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int _u_order;
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int _v_order;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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EggSurface::init_type();
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register_type(_type_handle, "EggNurbsSurface",
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EggSurface::get_class_type());
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}
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virtual TypeHandle get_type() const override {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() override {
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init_type();
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return get_class_type();
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}
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private:
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static TypeHandle _type_handle;
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};
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#include "eggNurbsSurface.I"
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#endif
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