#ifndef __C_OCT_TREE_SCENE_NODETRIANGLE_SELECTOR_H_INCLUDED__
#define __C_OCT_TREE_SCENE_NODETRIANGLE_SELECTOR_H_INCLUDED__

#include "ITriangleSelector.h"

namespace irr
{
namespace scene
{

class COctTreeSceneNode;

//! triangle selector which does use the OctTree already available for a COctTreeSceneNode
class COctTreeSceneNodeTriangleSelector : public ITriangleSelector
{
public:

	//! Constructs a selector based on a mesh
	COctTreeSceneNodeTriangleSelector(COctTreeSceneNode* node);

	~COctTreeSceneNodeTriangleSelector();

	//! Returns amount of all available triangles in this selector
	virtual s32 getTriangleCount() const;

	//! Gets all triangles.
	virtual void getTriangles(core::triangle3df* triangles, s32 arraySize,
		s32& outTriangleCount, const core::matrix4* transform=0);

	//! Gets all triangles which lie within a specific bounding box.
	void getTriangles(core::triangle3df* triangles, s32 arraySize, s32& outTriangleCount,
		const core::aabbox3d<f32>& box, const core::matrix4* transform=0);

	//! Gets all triangles which have or may have contact with a 3d line.
	virtual void getTriangles(core::triangle3df* triangles, s32 arraySize,
		s32& outTriangleCount, const core::line3d<f32>& line,
		const core::matrix4* transform=0);

private:
    COctTreeSceneNode * SceneNode;
};

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

#endif // __C_OCT_TREE_SCENE_NODETRIANGLE_SELECTOR_H_INCLUDED__