#ifndef __GEO_VERTEX_BUFFER__
#define __GEO_VERTEX_BUFFER__

#include "GeoBase.h"
#include "GeoVector3.h"
#include "GeoVector2.h"
#include "GeoSerializable.h"


namespace Geometry {

	/// VertexBuffer interface Class
	/**
	  * This Structure holds the vertex information used by Meshes and SubMesehs.
	  */
	class VertexBuffer : public Serializable
	{
	public:

		/// Default Constructor
		inline VertexBuffer(): 
			mVertexInfo(VERTEX_EMPTY),
			mVertexCount(0),
			mPosition(0),
			mNormal(0),
			mTexCoords(0)
		{
		}

		/// Default destructor, releases allocated memory.
		~VertexBuffer();

		/// Returns a new VertexBuffer with the same data.
		VertexBuffer* Clone() const;

		/// Fills this VertexBuffer from a Serializer
		void Load(Serializer &s);

		/// Stores data 
		void Save(Serializer &s);
		
        unsigned int mVertexInfo;  ///< Type of info stored by vertex
		size_t  mVertexCount;      ///< Number of vertices
		Vector3 *mPosition; ///< Position array of each Vertex, only valid if (vertexInfo & VERTEX_POSITON) == true
		Vector3 *mNormal;   ///< Normal array of each Vertex, only valid if (vertexInfo & VERTEX_NORMAL) == true
		Vector2 *mTexCoords;///< Texture Coordinates array of each Vertex, only valid if (vertexInfo & VERTEX_TEXCOORDS) == true
	};

} // end of Geometry namespace;

#endif