129 lines
3.9 KiB
C
129 lines
3.9 KiB
C
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/**
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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 sheetNode.h
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* @author drose
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* @date 2003-10-11
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*/
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#ifndef SHEETNODE_H
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#define SHEETNODE_H
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#include "pandabase.h"
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#include "nurbsSurfaceEvaluator.h"
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#include "pandaNode.h"
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#include "pStatCollector.h"
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/**
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* This class draws a visible representation of the NURBS surface stored in
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* its NurbsSurfaceEvaluator. It automatically recomputes the surface every
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* frame.
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*
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* This is not related to NurbsSurface, CubicSurfaceseg or any of the
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* ParametricSurface-derived objects in this module. It is a completely
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* parallel implementation of NURBS surfaces, and will probably eventually
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* replace the whole ParametricSurface class hierarchy.
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*/
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class EXPCL_PANDA_PARAMETRICS SheetNode : public PandaNode {
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PUBLISHED:
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explicit SheetNode(const std::string &name);
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protected:
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SheetNode(const SheetNode ©);
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public:
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virtual void output(std::ostream &out) const;
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virtual void write(std::ostream &out, int indent_level = 0) const;
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virtual PandaNode *make_copy() const;
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virtual bool safe_to_transform() const;
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virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
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virtual bool is_renderable() const;
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PUBLISHED:
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INLINE void set_surface(NurbsSurfaceEvaluator *surface);
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INLINE NurbsSurfaceEvaluator *get_surface() const;
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INLINE void set_use_vertex_color(bool flag);
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INLINE bool get_use_vertex_color() const;
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INLINE void set_num_u_subdiv(int num_u_subdiv);
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INLINE int get_num_u_subdiv() const;
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INLINE void set_num_v_subdiv(int num_v_subdiv);
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INLINE int get_num_v_subdiv() const;
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void reset_bound(const NodePath &rel_to);
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protected:
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virtual void compute_internal_bounds(CPT(BoundingVolume) &internal_bounds,
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int &internal_vertices,
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int pipeline_stage,
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Thread *current_thread) const;
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private:
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PT(BoundingVolume) do_recompute_bounds(const NodePath &rel_to,
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int pipeline_stage,
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Thread *current_thread) const;
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void render_sheet(CullTraverser *trav, CullTraverserData &data,
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NurbsSurfaceResult *result);
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private:
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// This is the data that must be cycled between pipeline stages.
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class EXPCL_PANDA_PARAMETRICS CData : public CycleData {
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public:
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INLINE CData();
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INLINE CData(const CData ©);
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virtual CycleData *make_copy() const;
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virtual void write_datagram(BamWriter *manager, Datagram &dg) const;
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virtual void fillin(DatagramIterator &scan, BamReader *manager);
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virtual TypeHandle get_parent_type() const {
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return SheetNode::get_class_type();
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}
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PT(NurbsSurfaceEvaluator) _surface;
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bool _use_vertex_color;
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int _num_u_subdiv;
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int _num_v_subdiv;
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};
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PipelineCycler<CData> _cycler;
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typedef CycleDataReader<CData> CDReader;
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typedef CycleDataWriter<CData> CDWriter;
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static PStatCollector _sheet_node_pcollector;
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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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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PandaNode::init_type();
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register_type(_type_handle, "SheetNode",
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PandaNode::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "sheetNode.I"
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#endif
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