118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file cullBin.h
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* @author drose
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* @date 2002-02-27
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*/
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#ifndef CULLBIN_H
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#define CULLBIN_H
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#include "pandabase.h"
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#include "cullBinEnums.h"
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#include "typedReferenceCount.h"
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#include "pStatCollector.h"
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#include "pointerTo.h"
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#include "luse.h"
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#include "geomNode.h"
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class CullableObject;
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class GraphicsStateGuardianBase;
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class SceneSetup;
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class TransformState;
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class RenderState;
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class PandaNode;
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/**
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* A collection of Geoms and their associated state, for a particular scene.
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* The cull traversal (and the BinCullHandler) assigns Geoms to bins as it
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* comes across them.
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*
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* This is an abstract base class; derived classes like CullBinStateSorted and
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* CullBinBackToFront provide the actual implementation.
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*/
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class EXPCL_PANDA_PGRAPH CullBin : public TypedReferenceCount, public CullBinEnums {
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protected:
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INLINE CullBin(const CullBin ©);
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public:
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INLINE CullBin(const std::string &name, BinType bin_type,
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GraphicsStateGuardianBase *gsg,
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const PStatCollector &draw_region_pcollector);
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virtual ~CullBin();
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INLINE const std::string &get_name() const;
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INLINE BinType get_bin_type() const;
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virtual PT(CullBin) make_next() const;
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virtual void add_object(CullableObject *object, Thread *current_thread)=0;
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virtual void finish_cull(SceneSetup *scene_setup, Thread *current_thread);
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virtual void draw(bool force, Thread *current_thread)=0;
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PT(PandaNode) make_result_graph();
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INLINE bool has_flash_color() const;
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INLINE const LColor &get_flash_color() const;
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protected:
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class ResultGraphBuilder;
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virtual void fill_result_graph(ResultGraphBuilder &builder)=0;
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private:
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void check_flash_color();
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protected:
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std::string _name;
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BinType _bin_type;
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GraphicsStateGuardianBase *_gsg;
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// Used in make_result_graph() and fill_result_graph().
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class EXPCL_PANDA_PGRAPH ResultGraphBuilder {
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public:
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ResultGraphBuilder(PandaNode *root_node);
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void add_object(CullableObject *object);
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private:
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void record_one_object(GeomNode *node, CullableObject *object);
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private:
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int _object_index;
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CPT(TransformState) _current_transform;
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CPT(RenderState) _current_state;
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PT(PandaNode) _root_node;
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PT(GeomNode) _current_node;
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};
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static PStatCollector _cull_bin_pcollector;
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PStatCollector _cull_this_pcollector;
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PStatCollector _draw_this_pcollector;
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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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TypedReferenceCount::init_type();
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register_type(_type_handle, "CullBin",
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TypedReferenceCount::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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};
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#include "cullBin.I"
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#endif
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