panda3d/panda/src/sgraphutil/quickRenderTraverser.h
2001-08-07 23:58:16 +00:00

85 lines
2.5 KiB
C++

// Filename: quickRenderTraverser.h
// Created by: drose (24Jul01)
//
////////////////////////////////////////////////////////////////////
//
// 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 QUICKRENDERTRAVERSER_H
#define QUICKRENDERTRAVERSER_H
#include "pandabase.h"
#include "quickRenderLevelState.h"
#include "renderTraverser.h"
#include "allTransitionsWrapper.h"
#include "pStatCollector.h"
class GraphicsStateGuardian;
class AllTransitionsWrapper;
class RenderRelation;
////////////////////////////////////////////////////////////////////
// Class : QuickRenderTraverser
// Description : A small RenderTraverser that performs a left-to-right
// depth-first traversal of the scene graph, rendering
// nodes as it encounters them, like a
// DirectRenderTraverser.
//
// However, it does not support instancing, nor
// view-frustum culling.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA QuickRenderTraverser : public RenderTraverser {
public:
QuickRenderTraverser(GraphicsStateGuardian *gsg, TypeHandle graph_type,
const ArcChain &arc_chain = ArcChain());
virtual ~QuickRenderTraverser();
virtual void traverse(Node *root,
const AllTransitionsWrapper &initial_state);
private:
void r_traverse(RenderRelation *arc, const QuickRenderLevelState &level_state);
private:
Node *_root;
AllTransitionsWrapper _initial_state;
// Statistics
static PStatCollector _draw_pcollector;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
RenderTraverser::init_type();
register_type(_type_handle, "QuickRenderTraverser",
RenderTraverser::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 "quickRenderTraverser.I"
#endif