nuclear@0: /*
nuclear@0: Open Asset Import Library (assimp)
nuclear@0: ----------------------------------------------------------------------
nuclear@0: 
nuclear@0: Copyright (c) 2006-2012, assimp team
nuclear@0: All rights reserved.
nuclear@0: 
nuclear@0: Redistribution and use of this software in source and binary forms, 
nuclear@0: with or without modification, are permitted provided that the 
nuclear@0: following conditions are met:
nuclear@0: 
nuclear@0: * Redistributions of source code must retain the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer.
nuclear@0: 
nuclear@0: * Redistributions in binary form must reproduce the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer in the documentation and/or other
nuclear@0:   materials provided with the distribution.
nuclear@0: 
nuclear@0: * Neither the name of the assimp team, nor the names of its
nuclear@0:   contributors may be used to endorse or promote products
nuclear@0:   derived from this software without specific prior
nuclear@0:   written permission of the assimp team.
nuclear@0: 
nuclear@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
nuclear@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
nuclear@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
nuclear@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
nuclear@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
nuclear@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0: 
nuclear@0: ----------------------------------------------------------------------
nuclear@0: */
nuclear@0: 
nuclear@0: 
nuclear@0: /** @file Defines a post processing step to calculate tangents and 
nuclear@0:     bitangents on all imported meshes.*/
nuclear@0: #ifndef AI_CALCTANGENTSPROCESS_H_INC
nuclear@0: #define AI_CALCTANGENTSPROCESS_H_INC
nuclear@0: 
nuclear@0: #include "BaseProcess.h"
nuclear@0: 
nuclear@0: struct aiMesh;
nuclear@0: 
nuclear@0: namespace Assimp
nuclear@0: {
nuclear@0: 
nuclear@0: // ---------------------------------------------------------------------------
nuclear@0: /** The CalcTangentsProcess calculates the tangent and bitangent for any vertex
nuclear@0:  * of all meshes. It is expected to be run before the JoinVerticesProcess runs
nuclear@0:  * because the joining of vertices also considers tangents and bitangents for 
nuclear@0:  * uniqueness.
nuclear@0:  */
nuclear@0: class ASSIMP_API_WINONLY CalcTangentsProcess : public BaseProcess
nuclear@0: {
nuclear@0: public:
nuclear@0: 
nuclear@0: 	CalcTangentsProcess();
nuclear@0: 	~CalcTangentsProcess();
nuclear@0: 
nuclear@0: public:
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** Returns whether the processing step is present in the given flag.
nuclear@0: 	* @param pFlags The processing flags the importer was called with.
nuclear@0: 	*   A bitwise combination of #aiPostProcessSteps.
nuclear@0: 	* @return true if the process is present in this flag fields,
nuclear@0: 	*   false if not.
nuclear@0: 	*/
nuclear@0: 	bool IsActive( unsigned int pFlags) const;
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** Called prior to ExecuteOnScene().
nuclear@0: 	* The function is a request to the process to update its configuration
nuclear@0: 	* basing on the Importer's configuration property list.
nuclear@0: 	*/
nuclear@0: 	void SetupProperties(const Importer* pImp);
nuclear@0: 
nuclear@0: 
nuclear@0: 	// setter for configMaxAngle
nuclear@0: 	inline void SetMaxSmoothAngle(float f)
nuclear@0: 	{
nuclear@0: 		configMaxAngle =f;
nuclear@0: 	}
nuclear@0: 
nuclear@0: protected:
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** Calculates tangents and bitangents for a specific mesh.
nuclear@0: 	* @param pMesh The mesh to process.
nuclear@0: 	* @param meshIndex Index of the mesh
nuclear@0: 	*/
nuclear@0: 	bool ProcessMesh( aiMesh* pMesh, unsigned int meshIndex);
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** Executes the post processing step on the given imported data.
nuclear@0: 	* @param pScene The imported data to work at.
nuclear@0: 	*/
nuclear@0: 	void Execute( aiScene* pScene);
nuclear@0: 
nuclear@0: private:
nuclear@0: 
nuclear@0: 	/** Configuration option: maximum smoothing angle, in radians*/
nuclear@0: 	float configMaxAngle;
nuclear@0: 	unsigned int configSourceUV;
nuclear@0: };
nuclear@0: 
nuclear@0: } // end of namespace Assimp
nuclear@0: 
nuclear@0: #endif // AI_CALCTANGENTSPROCESS_H_INC