141 lines
4.2 KiB
C++
141 lines
4.2 KiB
C++
// Filename: geomNode.h
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// Created by: drose (22Feb02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef GEOMNODE_H
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#define GEOMNODE_H
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#include "pandabase.h"
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#include "pandaNode.h"
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#include "pointerToArray.h"
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#include "geom.h"
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#include "pipelineCycler.h"
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#include "cycleData.h"
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#include "pvector.h"
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////////////////////////////////////////////////////////////////////
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// Class : GeomNode
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// Description : A node that holds Geom objects, renderable pieces of
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// geometry. This is the primary kind of leaf node in
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// the scene graph; almost all visible objects will be
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// contained in a GeomNode somewhere.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA GeomNode : public PandaNode {
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PUBLISHED:
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GeomNode(const string &name);
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protected:
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GeomNode(const GeomNode ©);
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public:
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virtual ~GeomNode();
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virtual PandaNode *make_copy() const;
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virtual void apply_attribs_to_vertices(const AccumulatedAttribs &attribs,
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int attrib_types,
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GeomTransformer &transformer);
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virtual void xform(const LMatrix4f &mat);
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virtual PandaNode *combine_with(PandaNode *other);
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virtual CPT(TransformState)
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calc_tight_bounds(LPoint3f &min_point, LPoint3f &max_point,
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bool &found_any,
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const TransformState *transform) const;
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PUBLISHED:
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INLINE int get_num_geoms() const;
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INLINE Geom *get_geom(int n) const;
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INLINE const RenderState *get_geom_state(int n) const;
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INLINE void set_geom_state(int n, const RenderState *state);
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INLINE int add_geom(Geom *geom, const RenderState *state = RenderState::make_empty());
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void add_geoms_from(const GeomNode *other);
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INLINE void remove_geom(int n);
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INLINE void remove_all_geoms();
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void write_geoms(ostream &out, int indent_level) const;
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void write_verbose(ostream &out, int indent_level) const;
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public:
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virtual void output(ostream &out) const;
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virtual bool is_geom_node() const;
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protected:
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virtual BoundingVolume *recompute_internal_bound();
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public:
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// This must be declared public so that VC6 will allow the nested
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// CData class to access it.
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class GeomEntry {
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public:
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INLINE GeomEntry(Geom *geom, const RenderState *state);
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PT(Geom) _geom;
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CPT(RenderState) _state;
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};
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private:
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typedef pvector<GeomEntry> Geoms;
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// This is the data that must be cycled between pipeline stages.
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class EXPCL_PANDA CData : public CycleData {
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public:
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INLINE CData();
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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 int complete_pointers(TypedWritable **plist, BamReader *manager);
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virtual void fillin(DatagramIterator &scan, BamReader *manager);
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Geoms _geoms;
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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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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, "GeomNode",
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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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friend class PandaNode::Children;
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friend class GeomTransformer;
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};
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#include "geomNode.I"
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#endif
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