#ifndef __GEOMETRY_H
#define __GEOMETRY_H

#include "common.h"
#include "AxisAlignedBox3.h"
#include "Triangle3.h"


namespace CHCDemoEngine 
{

class RenderState;


/** Represents drawable geometry consisting of triangles.
*/
class Geometry
{
	friend class ResourceManager;
	friend class EntityMerger;

public:
	/** Constructs a geometry from the given data. 
		The vertices are interpreted as triangles.

		If delData is true, the vertex / normal / texture is deleted when
		after it was transferred into a vbo
	*/
	Geometry(Vector3 *vertices, 
		     Vector3 *normals, 
			 Texcoord2 *texcoords, 
			 int numVertices, 
			 bool delData);

	~Geometry();
	/** Render the geometry
	*/
	void Render(RenderState *state);

	int GetNumTriangles() const { return mNumVertices / 3; }

	inline bool HasTexture() const { return mHasTexture; }
	
	const AxisAlignedBox3& GetBoundingBox() const;

protected:

	void CalcBoundingBox();
	/** Prepare vbos for rendering
	*/
	void Prepare();


	//////////

	Vector3 *mVertices;

	Vector3 *mNormals;

	Texcoord2 *mTexCoords;

	unsigned int mVboId;

	int mNumVertices;

	AxisAlignedBox3 mBoundingBox;

	bool mHasTexture;
};


}

#endif // GEOMETRY_H