/*!  \file kfbxmaterialconverter.h

 */



#ifndef FBXFILESDK_KFBXPLUGINS_KFBXMATERIALCONVERTER_H

#define FBXFILESDK_KFBXPLUGINS_KFBXMATERIALCONVERTER_H



/**************************************************************************************



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**************************************************************************************/

#include <fbxfilesdk/fbxfilesdk_def.h>



#include <fbxfilesdk/kfbxplugins/kfbxlayer.h>

#include <fbxfilesdk/components/kbaselib/klib/kpair.h>



#include <fbxfilesdk/fbxfilesdk_nsbegin.h>



class KFbxObject;

class KFbxSdkManager;

class KFbxScene;

class KFbxGeometry;

class KFbxLayer;

class KFbxSurfaceMaterial;

class KFbxLayeredTexture;

class KFbxTexture;



class LayerConfig;



class KFbxMaterialConverterImpl;



/** 

  * \brief This class provides functions to restructure the material and textures

  * applied to geometries from FBX v5 material system to v6-and-up or the other way around.

  * \nosubgrouping

  * \see KFbxSurfaceMaterial, KFbxTexture

  */

class KFBX_DLL KFbxMaterialConverter

{

public:

	KFbxMaterialConverter( KFbxSdkManager& mManager, KFbxSurfaceMaterial* pDefaultMaterial = NULL);

	~KFbxMaterialConverter();



	/** Moves textures in texture layer elements to connections

	  * on the corresponding material's color properties, for all geometries

	  * in the scene.(Convert scene from FBX v5 material system to v6-and-up)

	  * \param pScene The scene whose geometries should be converted.

	  * \return true on success, false otherwise

	  */

	bool ConnectTexturesToMaterials( KFbxScene& pScene );



	/** This is the reverse operation of ConnectTexturesToMaterials()

	  * Textures connected to Materials' color properties are stored

	  * in layer elements, and their connections to the color properties

	  * are broken.(Convert scene from FBX v6-and-up material system to v5)

	  * \param pScene The scene whose geometries should be converted.

	  * \return true if all geometries were converted, false otherwise

	  */

	bool AssignTexturesToLayerElements( KFbxScene& pScene );



///////////////////////////////////////////////////////////////////////////////

//

//  WARNING!

//

//	Anything beyond these lines may not be documented accurately and is 

// 	subject to change without notice.

//

///////////////////////////////////////////////////////////////////////////////



#ifndef DOXYGEN_SHOULD_SKIP_THIS



private:

	

	typedef KPair<KFbxTexture*, KFbxLayerElementTexture::EBlendMode> TexData;



	KFbxSdkManager& mManager;

	KFbxSurfaceMaterial* mDefaultMaterial;

    KFbxMaterialConverterImpl* mImpl;





	void GetTextures( int pComponent, KFbxLayer* pLayer, LayerConfig& pLayerConfig ) const;

	KFbxSurfaceMaterial* GetMaterial( int pComponent, KFbxLayer* pLayer, KFbxNode* pNode, bool pLookOnNode );

	int                  GetMaterialOrder( int pComponent, KFbxLayer* pLayer, KFbxNode* pNode, bool pLookOnNode );



	bool HasGoodMappingModes( KFbxNode* pNode, KFbxGeometry* pGeom ) const;

	void ConnectTextures( KFbxSurfaceMaterial* pMat, KFbxObject* pTexture, int pTextureType ) const;

	bool HasPerFaceMaterialMapping( KFbxGeometry* pGeom ) const;

	void SetTextureUVSets( KFbxGeometry* pGeom ) const;

	bool HasTextures( KFbxGeometry* pGeom ) const;

	bool ConnectTexturesToMaterials( KFbxNode* pNode );



	void GetTextureList( KArrayTemplate<TexData>& pTextures, KFbxLayeredTexture* pTex ) const;



	KFbxLayer* FindLayerForTexture( KFbxTexture* pTex, 

								  KFbxLayerElement::ELayerElementType pTexType, 

                                  KFbxLayerElementTexture::EBlendMode pTexBlendMode, 

								  KFbxGeometry* pGeom, 

								  int lComponentIndex, 

								  int lStartIndex = 0 ) const;



	void InitTextureElement( KFbxLayerElementTexture* pTexElm, int pComponentCount,

        KFbxLayerElementTexture::EBlendMode pMode) const;



	bool AssignTexturesToLayerElements( KFbxNode* pNode); 



	bool HasTextureLayerElements( KFbxGeometry& pGeom ) const;



	void ConvertToPerFaceMapping( KFbxMesh* pGeom ) const;



#endif // #ifndef DOXYGEN_SHOULD_SKIP_THIS 

};



#include <fbxfilesdk/fbxfilesdk_nsend.h>



#endif // FBXFILESDK_KFBXPLUGINS_KFBXMATERIALCONVERTER_H



