#include "GeoBase.h"
#include <Ogre.h>

namespace Geometry
{
	/// LodTreeLibrary interface class.
	/** This module contains functions that handle the levels of detail of the input multiresolution trees.
	For Any given resolution and object this module returns two thins: a set of triangle strips representing the trunk 
	and the branches at that resolution, and a triangle list representing the leaves at the same resolution. 
	\n\n

Inputs:\n
	- The module receives a file describing a multiresolution tree object.
	.

Outputs:\n
	- The module returns a strip set that represents the level of deatil demanded for the trunk and a triangle list 
	that representes the level of detail for leaves.
	.

	*/
	class LodTreeLibrary: public Ogre::Renderable,Ogre::MovableObject
	{
	public:
		/// Constructor, receives as a parameter the name of the file including the multiresolution object.
		LodTreeLibrary (std::string);

		/// Destructor.
		~LodTreeLibrary (void);

		/// Copy constructor
		//LodTreeLibrary(const LodTreeLibrary&);

		/// Assignment operator
		//LodTreeLibrary& operator =(const LodTreeLibrary&);

		/// Returns the highest LOD of the foliage.
		uint32 MaxFoliageLod();

		/// Returns the highest LOD of the trunk.
		uint32 MaxTrunkLod();

		/// Returns the lowest LOD of the foliage.
		uint32 MinFoliageLod();

		/// Returns the lowest LOD of the trunk.
		uint32 MinTrunkLod();

		/// Returns de current foliage LOD and changes to the specified LOD.
		uint32 GoToFoliageLod(uint32);

		/// Returns de current trunk LOD and changes to the specified LOD.
		uint32 GoToTrunkLod(uint32);

		/// Establishes the new LOD range.
		/// Only the LODs in that range are stored and used.
		void TrimFoliageByLod(uint32, uint32);

		/// Establishes the new LOD range.
		/// Only the LODs in that range are stored and used.
		void TrimTrunkByLod(uint32, uint32);

		/// Returns the number of triangles of the foliage at the highest LOD.
		uint32 MaxFoliageFaces();

		/// Returns the number of triangles of the trunk at the highest LOD.
		uint32 MaxTrunkFaces();

		/// Returns the number of triangles of the foliage at the lowest LOD.
		uint32 MinFoliageFaces();

		/// Returns the number of triangles of the trunk at the lowest LOD.
		uint32 MinTrunkFaces();

		/// Returns the number of vertices of the foliage at the highest LOD.
		uint32 MaxFoliageVertices();

		/// Returns the number of vertices of the trunk at the highest LOD.
		uint32 MaxTrunkVertices();

		/// Returns the number of vertices of the foliage at the lowest LOD.
		uint32 MinFoliageVertices();

		/// Returns the number of vertices of the trunk at the lowest LOD.
		uint32 MinTrunkVertices();

	};
}