DemeterDrawable.h from NeoEngineNG at Krugle

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// Demeter Terrain Visualization Library by Clay Fowler
// Copyright (C) 2002 Clay Fowler

// $ID$

/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA  02111-1307, USA.
*/

#ifndef _DEMETER_DRAWABLE_
#define _DEMETER_DRAWABLE_

#ifdef _SUPPORT_OSG
#include <GL/glew.h>
#include <osg/BoundingBox>
#include <osg/StateSet>
#include <osg/State>
#include <osg/Drawable>
#include "Demeter/Terrain.h"

/// \brief Demeter Namespace brief description.
/// Demeter Namepsace detailed description.  With
/// lots of awesome details.
namespace Demeter
{
	/// \brief DemeterDrawable class brief description.
	/// DemeterDrawable class detailed description.
	class TERRAIN_API DemeterDrawable:public osg::Drawable
	{
	public:
		DemeterDrawable();
		DemeterDrawable(const DemeterDrawable &, const osg::CopyOp & copyop = osg::CopyOp::SHALLOW_COPY);
		virtual ~DemeterDrawable();
		DemeterDrawable & operator = (const DemeterDrawable &);
		virtual osg::Object* cloneType() const;
		virtual osg::Object* clone(const osg::CopyOp& copyop) const;
		virtual bool isSameKindAs(const osg::Object* obj) const;
		virtual const char* className() const;
		virtual const char* libraryName() const;
		void SetTerrain(Terrain* pTerrain);
		Terrain* GetTerrain();
		const Terrain* GetTerrain() const;
		virtual void drawImplementation(osg::State&) const;
		void SetAutoTessellate(bool isAuto);
		void SetIsMultipass(bool isMultipass);
		static void SetPassNumber(int num);
	protected:
		virtual osg::BoundingBox computeBound() const;
		osg::ref_ptr<Terrain> m_RefTerrain;
		bool m_AutoTessellate;
		bool m_IsMultipass;
		static int m_PassNumber;
	};
};

#endif

#endif
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