90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
// Filename: cullBinFrontToBack.h
|
|
// Created by: drose (29May02)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
//
|
|
// All use of this software is subject to the terms of the revised BSD
|
|
// license. You should have received a copy of this license along
|
|
// with this source code in a file named "LICENSE."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef CULLBINFRONTTOBACK_H
|
|
#define CULLBINFRONTTOBACK_H
|
|
|
|
#include "pandabase.h"
|
|
|
|
#include "cullBin.h"
|
|
#include "geom.h"
|
|
#include "transformState.h"
|
|
#include "renderState.h"
|
|
#include "pointerTo.h"
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : CullBinFrontToBack
|
|
// Description : A specific kind of CullBin that sorts geometry in
|
|
// order from nearest to furthest based on the center of
|
|
// its bounding volume.
|
|
//
|
|
// This is useful for rendering opaque geometry, taking
|
|
// optimal advantage of a hierarchical Z-buffer.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDA_CULL CullBinFrontToBack : public CullBin {
|
|
public:
|
|
INLINE CullBinFrontToBack(const string &name,
|
|
GraphicsStateGuardianBase *gsg,
|
|
const PStatCollector &draw_region_pcollector);
|
|
virtual ~CullBinFrontToBack();
|
|
|
|
static CullBin *make_bin(const string &name,
|
|
GraphicsStateGuardianBase *gsg,
|
|
const PStatCollector &draw_region_pcollector);
|
|
|
|
virtual void add_object(CullableObject *object, Thread *current_thread);
|
|
virtual void finish_cull(SceneSetup *scene_setup, Thread *current_thread);
|
|
virtual void draw(bool force, Thread *current_thread);
|
|
|
|
protected:
|
|
virtual void fill_result_graph(ResultGraphBuilder &builder);
|
|
|
|
private:
|
|
class ObjectData {
|
|
public:
|
|
INLINE ObjectData(CullableObject *object, float dist);
|
|
INLINE bool operator < (const ObjectData &other) const;
|
|
|
|
CullableObject *_object;
|
|
float _dist;
|
|
};
|
|
|
|
typedef pvector<ObjectData> Objects;
|
|
Objects _objects;
|
|
|
|
public:
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
CullBin::init_type();
|
|
register_type(_type_handle, "CullBinFrontToBack",
|
|
CullBin::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;
|
|
};
|
|
|
|
#include "cullBinFrontToBack.I"
|
|
|
|
#endif
|
|
|
|
|
|
|