203 lines
6.3 KiB
C++
203 lines
6.3 KiB
C++
// Filename: geomNode.h
|
|
// Created by: drose (22Feb02)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
|
|
//
|
|
// All use of this software is subject to the terms of the Panda 3d
|
|
// Software license. You should have received a copy of this license
|
|
// along with this source code; you will also find a current copy of
|
|
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
|
|
//
|
|
// To contact the maintainers of this program write to
|
|
// panda3d-general@lists.sourceforge.net .
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef GEOMNODE_H
|
|
#define GEOMNODE_H
|
|
|
|
#include "pandabase.h"
|
|
#include "config_pgraph.h"
|
|
#include "pandaNode.h"
|
|
#include "pointerToArray.h"
|
|
#include "geom.h"
|
|
#include "pipelineCycler.h"
|
|
#include "cycleData.h"
|
|
#include "pvector.h"
|
|
#include "copyOnWritePointer.h"
|
|
|
|
class GraphicsStateGuardianBase;
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : GeomNode
|
|
// Description : A node that holds Geom objects, renderable pieces of
|
|
// geometry. This is the primary kind of leaf node in
|
|
// the scene graph; almost all visible objects will be
|
|
// contained in a GeomNode somewhere.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDA GeomNode : public PandaNode {
|
|
PUBLISHED:
|
|
GeomNode(const string &name);
|
|
|
|
protected:
|
|
GeomNode(const GeomNode ©);
|
|
public:
|
|
virtual ~GeomNode();
|
|
virtual PandaNode *make_copy() const;
|
|
virtual void apply_attribs_to_vertices(const AccumulatedAttribs &attribs,
|
|
int attrib_types,
|
|
GeomTransformer &transformer);
|
|
virtual void xform(const LMatrix4f &mat);
|
|
virtual PandaNode *combine_with(PandaNode *other);
|
|
virtual CPT(TransformState)
|
|
calc_tight_bounds(LPoint3f &min_point, LPoint3f &max_point,
|
|
bool &found_any,
|
|
const TransformState *transform,
|
|
Thread *current_thread) const;
|
|
virtual bool is_renderable() const;
|
|
virtual CollideMask get_legal_collide_mask() const;
|
|
|
|
virtual bool safe_to_flatten() const;
|
|
virtual bool safe_to_combine() const;
|
|
|
|
PUBLISHED:
|
|
|
|
INLINE void set_preserved(bool value);
|
|
INLINE int get_num_geoms() const;
|
|
INLINE CPT(Geom) get_geom(int n) const;
|
|
INLINE PT(Geom) modify_geom(int n);
|
|
INLINE const RenderState *get_geom_state(int n) const;
|
|
INLINE void set_geom_state(int n, const RenderState *state);
|
|
|
|
void add_geom(Geom *geom, const RenderState *state = RenderState::make_empty());
|
|
void add_geoms_from(const GeomNode *other);
|
|
void set_geom(int n, Geom *geom);
|
|
INLINE void remove_geom(int n);
|
|
INLINE void remove_all_geoms();
|
|
bool check_valid() const;
|
|
|
|
void unify(int max_indices);
|
|
|
|
void write_geoms(ostream &out, int indent_level) const;
|
|
void write_verbose(ostream &out, int indent_level) const;
|
|
|
|
INLINE static CollideMask get_default_collide_mask();
|
|
|
|
public:
|
|
virtual void output(ostream &out) const;
|
|
|
|
virtual bool is_geom_node() const;
|
|
|
|
void do_premunge(GraphicsStateGuardianBase *gsg,
|
|
const RenderState *node_state,
|
|
GeomTransformer &transformer);
|
|
|
|
protected:
|
|
virtual void compute_internal_bounds(BoundsData *bdata, int pipeline_stage,
|
|
Thread *current_thread) const;
|
|
|
|
public:
|
|
// This must be declared public so that VC6 will allow the nested
|
|
// CData class to access it.
|
|
class GeomEntry {
|
|
public:
|
|
INLINE GeomEntry(Geom *geom, const RenderState *state);
|
|
COWPT(Geom) _geom;
|
|
CPT(RenderState) _state;
|
|
};
|
|
|
|
private:
|
|
|
|
bool _preserved;
|
|
typedef CopyOnWriteObj< pvector<GeomEntry> > GeomList;
|
|
typedef pmap<const InternalName *, int> NameCount;
|
|
|
|
INLINE void count_name(NameCount &name_count, const InternalName *name);
|
|
INLINE int get_name_count(const NameCount &name_count, const InternalName *name);
|
|
|
|
// This is the data that must be cycled between pipeline stages.
|
|
class EXPCL_PANDA CData : public CycleData {
|
|
public:
|
|
INLINE CData();
|
|
CData(const CData ©);
|
|
virtual CycleData *make_copy() const;
|
|
virtual void write_datagram(BamWriter *manager, Datagram &dg) const;
|
|
virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
|
|
virtual void fillin(DatagramIterator &scan, BamReader *manager);
|
|
virtual TypeHandle get_parent_type() const {
|
|
return GeomNode::get_class_type();
|
|
}
|
|
|
|
INLINE CPT(GeomList) get_geoms() const;
|
|
INLINE PT(GeomList) modify_geoms();
|
|
INLINE void set_geoms(GeomList *geoms);
|
|
|
|
private:
|
|
COWPT(GeomList) _geoms;
|
|
};
|
|
|
|
PipelineCycler<CData> _cycler;
|
|
typedef CycleDataReader<CData> CDReader;
|
|
typedef CycleDataWriter<CData> CDWriter;
|
|
typedef CycleDataStageReader<CData> CDStageReader;
|
|
typedef CycleDataLockedStageReader<CData> CDLockedStageReader;
|
|
typedef CycleDataStageWriter<CData> CDStageWriter;
|
|
|
|
public:
|
|
// This class is returned from get_geoms(). It is similar to
|
|
// PandaNode::get_children(); use this to walk through the list of
|
|
// geoms faster than walking through the geoms directly from the
|
|
// node.
|
|
class EXPCL_PANDA Geoms {
|
|
public:
|
|
INLINE Geoms();
|
|
INLINE Geoms(const CData *cdata);
|
|
INLINE Geoms(const Geoms ©);
|
|
INLINE void operator = (const Geoms ©);
|
|
|
|
INLINE int get_num_geoms() const;
|
|
INLINE CPT(Geom) get_geom(int n) const;
|
|
INLINE const RenderState *get_geom_state(int n) const;
|
|
|
|
private:
|
|
CPT(GeomList) _geoms;
|
|
};
|
|
|
|
INLINE Geoms get_geoms(Thread *current_thread = Thread::get_current_thread()) const;
|
|
|
|
public:
|
|
static void register_with_read_factory();
|
|
virtual void write_datagram(BamWriter *manager, Datagram &dg);
|
|
|
|
protected:
|
|
static TypedWritable *make_from_bam(const FactoryParams ¶ms);
|
|
void fillin(DatagramIterator &scan, BamReader *manager);
|
|
|
|
public:
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
GeomList::init_type();
|
|
PandaNode::init_type();
|
|
register_type(_type_handle, "GeomNode",
|
|
PandaNode::get_class_type());
|
|
}
|
|
virtual TypeHandle get_type() const {
|
|
return get_class_type();
|
|
}
|
|
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
|
|
|
|
private:
|
|
static TypeHandle _type_handle;
|
|
|
|
friend class GeomTransformer;
|
|
};
|
|
|
|
#include "geomNode.I"
|
|
|
|
#endif
|