// Model.h: interface for the Model class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MODEL_H__E1E40BB7_CEB8_4CF8_A4F9_3B854BE7322D__INCLUDED_)
#define AFX_MODEL_H__E1E40BB7_CEB8_4CF8_A4F9_3B854BE7322D__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "Texture.h"

class Model  
{
public:
		//	Mesh
		struct Mesh
		{
			int m_materialIndex;
			int m_numTriangles;
			int *m_pTriangleIndices;
		};

		//	Material properties
		struct Material
		{
			float m_ambient[4], m_diffuse[4], m_specular[4], m_emissive[4];
			float m_shininess;
			GLuint m_texture;
			char *m_pTextureFilename;
		};

		//	Triangle structure
		struct Triangle
		{
			float m_vertexNormals[3][3];
			float m_s[3], m_t[3];
			int m_vertexIndices[3];
		};

		//	Vertex structure
		struct Vertex
		{
			char m_boneID;	// for skeletal animation
			float m_location[3];
		};
public:
	Model();
	virtual ~Model();

		/*	
			Load the model data into the private variables. 
				filename			Model filename
		*/
		virtual bool loadModelData( const char *filename ) = 0;

		/*
			Draw the model.
		*/
		void draw();

		/*
			Called if OpenGL context was lost and we need to reload textures, display lists, etc.
		*/
		void reloadTextures();
		Texture m_texture;

	protected:
		//	Meshes used
		int m_numMeshes;
		Mesh *m_pMeshes;

		//	Materials used
		int m_numMaterials;
		Material *m_pMaterials;

		//	Triangles used
		int m_numTriangles;
		Triangle *m_pTriangles;

		//	Vertices Used
		int m_numVertices;
		Vertex *m_pVertices;
};

#endif // !defined(AFX_MODEL_H__E1E40BB7_CEB8_4CF8_A4F9_3B854BE7322D__INCLUDED_)