////////////////////////////////////////////////////////////////////////////////
// material.h
// Author     : Francesco Giordana
// Start Date : January 13, 2005
// Copyright  : (C) 2006 by Francesco Giordana
// Email      : fra.giordana@tiscali.it
////////////////////////////////////////////////////////////////////////////////

/*********************************************************************************
*                                                                                *
*   This program is free software; you can redistribute it and/or modify         *
*   it under the terms of the GNU Lesser General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or            *
*   (at your option) any later version.                                          *
*                                                                                *
**********************************************************************************/

#ifndef _MATERIAL_H
#define _MATERIAL_H

#include "mayaExportLayer.h"
#include "paramList.h"

namespace OgreMayaExporter
{

	typedef enum {MT_SURFACE_SHADER,MT_LAMBERT,MT_PHONG,MT_BLINN,MT_CGFX} MaterialType;

	typedef enum {TOT_REPLACE,TOT_MODULATE,TOT_ADD,TOT_ALPHABLEND} TexOpType;

	typedef enum {TAM_CLAMP,TAM_BORDER,TAM_WRAP,TAM_MIRROR} TexAddressMode;

	class Texture
	{
	public:
		//constructor
		Texture() {
			scale_u = scale_v = 1;
			scroll_u = scroll_v = 0;
			rot = 0;
			am_u = am_v = TAM_CLAMP;
		}
		//destructor
		~Texture(){};
	
		//public members
		MString filename;
		MString absFilename;
		TexOpType opType;
		MString uvsetName;
		int uvsetIndex;
		TexAddressMode am_u,am_v;
		double scale_u,scale_v;
		double scroll_u,scroll_v;
		double rot;
	};


	/***** Class Material *****/
	class Material
	{
	public:
		//constructor
		Material();
		//destructor
		~Material();
		//get material name
		MString& name();
		//clear material data
		void clear();
		//load material data
		MStatus load(MFnDependencyNode* pShader,MStringArray& uvsets,ParamList& params);
		//load a specific material type
		MStatus loadSurfaceShader(MFnDependencyNode* pShader);
		MStatus loadLambert(MFnDependencyNode* pShader);
		MStatus loadPhong(MFnDependencyNode* pShader);
		MStatus loadBlinn(MFnDependencyNode* pShader);
		MStatus loadCgFxShader(MFnDependencyNode* pShader);
		//write material data to Ogre material script
		MStatus writeOgreScript(ParamList &params);
		//copy textures to path specified by params
		MStatus copyTextures(ParamList &params);
	public:
		//load texture data
		MStatus loadTexture(MFnDependencyNode* pTexNode,TexOpType& opType,MStringArray& uvsets,ParamList& params);

		MString m_name;
		MaterialType m_type;
		MColor m_ambient, m_diffuse, m_specular, m_emissive;
		bool m_lightingOff;
		bool m_isTransparent;
		bool m_isTextured;
		bool m_isMultiTextured;
		std::vector<Texture> m_textures;
	};

};	//end of namespace

#endif