historical/toontown-classic.git/panda/include/cullBin.h
2024-01-16 11:20:27 -06:00

117 lines
3.1 KiB
C++

/**
* 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."
*
* @file cullBin.h
* @author drose
* @date 2002-02-27
*/
#ifndef CULLBIN_H
#define CULLBIN_H
#include "pandabase.h"
#include "cullBinEnums.h"
#include "typedReferenceCount.h"
#include "pStatCollector.h"
#include "pointerTo.h"
#include "luse.h"
#include "geomNode.h"
class CullableObject;
class GraphicsStateGuardianBase;
class SceneSetup;
class TransformState;
class RenderState;
class PandaNode;
/**
* A collection of Geoms and their associated state, for a particular scene.
* The cull traversal (and the BinCullHandler) assigns Geoms to bins as it
* comes across them.
*
* This is an abstract base class; derived classes like CullBinStateSorted and
* CullBinBackToFront provide the actual implementation.
*/
class EXPCL_PANDA_PGRAPH CullBin : public TypedReferenceCount, public CullBinEnums {
protected:
INLINE CullBin(const CullBin &copy);
public:
INLINE CullBin(const std::string &name, BinType bin_type,
GraphicsStateGuardianBase *gsg,
const PStatCollector &draw_region_pcollector);
virtual ~CullBin();
INLINE const std::string &get_name() const;
INLINE BinType get_bin_type() const;
virtual PT(CullBin) make_next() const;
virtual void add_object(CullableObject *object, Thread *current_thread)=0;
virtual void finish_cull(SceneSetup *scene_setup, Thread *current_thread);
virtual void draw(bool force, Thread *current_thread)=0;
PT(PandaNode) make_result_graph();
INLINE bool has_flash_color() const;
INLINE const LColor &get_flash_color() const;
protected:
class ResultGraphBuilder;
virtual void fill_result_graph(ResultGraphBuilder &builder)=0;
private:
void check_flash_color();
protected:
std::string _name;
BinType _bin_type;
GraphicsStateGuardianBase *_gsg;
// Used in make_result_graph() and fill_result_graph().
class EXPCL_PANDA_PGRAPH ResultGraphBuilder {
public:
ResultGraphBuilder(PandaNode *root_node);
void add_object(CullableObject *object);
private:
void record_one_object(GeomNode *node, CullableObject *object);
private:
int _object_index;
CPT(TransformState) _current_transform;
CPT(RenderState) _current_state;
PT(PandaNode) _root_node;
PT(GeomNode) _current_node;
};
static PStatCollector _cull_bin_pcollector;
PStatCollector _cull_this_pcollector;
PStatCollector _draw_this_pcollector;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedReferenceCount::init_type();
register_type(_type_handle, "CullBin",
TypedReferenceCount::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 "cullBin.I"
#endif