// Copyright (C) 2002-2006 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h

#ifndef __C_SKY_BOX_SCENE_NODE_H_INCLUDED__
#define __C_SKY_BOX_SCENE_NODE_H_INCLUDED__

#include "ISceneNode.h"
#include "S3DVertex.h"

namespace irr
{
namespace scene
{

	// Skybox, rendererd with zbuffer turned off, before all other nodes.
	class CSkyBoxSceneNode : public ISceneNode
	{
	public:

		//! constructor
		CSkyBoxSceneNode(video::ITexture* top, video::ITexture* bottom, video::ITexture* left,
			video::ITexture* right, video::ITexture* front, video::ITexture* back,
			ISceneNode* parent, ISceneManager* mgr, s32 id);

		//! destructor
		virtual ~CSkyBoxSceneNode();

		virtual void OnPreRender();

		//! renders the node.
		virtual void render();

		//! returns the axis aligned bounding box of this node
		virtual const core::aabbox3d<f32>& getBoundingBox() const;

		//! returns the material based on the zero based index i. To get the amount
		//! of materials used by this scene node, use getMaterialCount().
		//! This function is needed for inserting the node into the scene hirachy on a
		//! optimal position for minimizing renderstate changes, but can also be used
		//! to directly modify the material of a scene node.
		virtual video::SMaterial& getMaterial(s32 i);

		//! returns amount of materials used by this scene node.
		virtual s32 getMaterialCount();

		//! Returns type of the scene node
		virtual ESCENE_NODE_TYPE getType() { return ESNT_SKY_BOX; }

	private:

		core::aabbox3d<f32> Box;
		u16 Indices[4];
		video::S3DVertex Vertices[4*6];
		video::SMaterial Material[6];
	};

} // end namespace scene
} // end namespace irr

#endif

