panda3d/panda/src/graph/boundedObject.h
2002-03-01 22:15:00 +00:00

111 lines
2.9 KiB
C++

// Filename: boundedObject.h
// Created by: drose (02Oct99)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, 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://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////
#ifndef BOUNDEDOBJECT_H
#define BOUNDEDOBJECT_H
#include "pandabase.h"
#include "boundingVolume.h"
#include "cycleData.h"
#include "cycleDataReader.h"
#include "cycleDataWriter.h"
#include "pipelineCycler.h"
#include "typedObject.h"
#include "pointerTo.h"
////////////////////////////////////////////////////////////////////
// Class : BoundedObject
// Description : This is any object (particularly in a scene graph)
// that may have a bounding volume established for it.
// The user may set a fixed bounding volume, or s/he may
// specify that the volume should be recomputed
// dynamically.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA BoundedObject {
public:
INLINE_GRAPH BoundedObject();
virtual ~BoundedObject();
PUBLISHED:
enum BoundingVolumeType {
BVT_static,
BVT_dynamic_sphere,
};
INLINE_GRAPH void set_bound(BoundingVolumeType type);
INLINE_GRAPH void set_bound(const BoundingVolume &volume);
INLINE_GRAPH const BoundingVolume &get_bound() const;
INLINE_GRAPH bool mark_bound_stale();
INLINE_GRAPH void force_bound_stale();
INLINE_GRAPH bool is_bound_stale() const;
INLINE_GRAPH void set_final(bool flag);
INLINE_GRAPH bool is_final() const;
protected:
virtual void propagate_stale_bound();
virtual BoundingVolume *recompute_bound();
INLINE_GRAPH const BoundingVolume *get_bound_ptr() const;
INLINE_GRAPH BoundingVolume *set_bound_ptr(BoundingVolume *bound);
private:
enum Flags {
F_bound_stale = 0x0001,
F_final = 0x0002,
};
// This is the data that must be cycled between pipeline stages.
class EXPCL_PANDA CData : public CycleData {
public:
INLINE_GRAPH CData();
CData(const CData &copy);
virtual CycleData *make_copy() const;
int _flags;
BoundingVolumeType _bound_type;
PT(BoundingVolume) _bound;
};
PipelineCycler<CData> _cycler;
typedef CycleDataReader<CData> CDReader;
typedef CycleDataWriter<CData> CDWriter;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
register_type(_type_handle, "BoundedObject");
}
private:
static TypeHandle _type_handle;
friend class PandaNode;
};
#ifndef DONT_INLINE_GRAPH
#include "boundedObject.I"
#endif
#endif