1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/assimp/CalcTangentsProcess.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,115 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2012, assimp team
     1.9 +All rights reserved.
    1.10 +
    1.11 +Redistribution and use of this software in source and binary forms, 
    1.12 +with or without modification, are permitted provided that the 
    1.13 +following conditions are met:
    1.14 +
    1.15 +* Redistributions of source code must retain the above
    1.16 +  copyright notice, this list of conditions and the
    1.17 +  following disclaimer.
    1.18 +
    1.19 +* Redistributions in binary form must reproduce the above
    1.20 +  copyright notice, this list of conditions and the
    1.21 +  following disclaimer in the documentation and/or other
    1.22 +  materials provided with the distribution.
    1.23 +
    1.24 +* Neither the name of the assimp team, nor the names of its
    1.25 +  contributors may be used to endorse or promote products
    1.26 +  derived from this software without specific prior
    1.27 +  written permission of the assimp team.
    1.28 +
    1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
    1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
    1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
    1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
    1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
    1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
    1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
    1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.40 +
    1.41 +----------------------------------------------------------------------
    1.42 +*/
    1.43 +
    1.44 +
    1.45 +/** @file Defines a post processing step to calculate tangents and 
    1.46 +    bitangents on all imported meshes.*/
    1.47 +#ifndef AI_CALCTANGENTSPROCESS_H_INC
    1.48 +#define AI_CALCTANGENTSPROCESS_H_INC
    1.49 +
    1.50 +#include "BaseProcess.h"
    1.51 +
    1.52 +struct aiMesh;
    1.53 +
    1.54 +namespace Assimp
    1.55 +{
    1.56 +
    1.57 +// ---------------------------------------------------------------------------
    1.58 +/** The CalcTangentsProcess calculates the tangent and bitangent for any vertex
    1.59 + * of all meshes. It is expected to be run before the JoinVerticesProcess runs
    1.60 + * because the joining of vertices also considers tangents and bitangents for 
    1.61 + * uniqueness.
    1.62 + */
    1.63 +class ASSIMP_API_WINONLY CalcTangentsProcess : public BaseProcess
    1.64 +{
    1.65 +public:
    1.66 +
    1.67 +	CalcTangentsProcess();
    1.68 +	~CalcTangentsProcess();
    1.69 +
    1.70 +public:
    1.71 +	// -------------------------------------------------------------------
    1.72 +	/** Returns whether the processing step is present in the given flag.
    1.73 +	* @param pFlags The processing flags the importer was called with.
    1.74 +	*   A bitwise combination of #aiPostProcessSteps.
    1.75 +	* @return true if the process is present in this flag fields,
    1.76 +	*   false if not.
    1.77 +	*/
    1.78 +	bool IsActive( unsigned int pFlags) const;
    1.79 +
    1.80 +	// -------------------------------------------------------------------
    1.81 +	/** Called prior to ExecuteOnScene().
    1.82 +	* The function is a request to the process to update its configuration
    1.83 +	* basing on the Importer's configuration property list.
    1.84 +	*/
    1.85 +	void SetupProperties(const Importer* pImp);
    1.86 +
    1.87 +
    1.88 +	// setter for configMaxAngle
    1.89 +	inline void SetMaxSmoothAngle(float f)
    1.90 +	{
    1.91 +		configMaxAngle =f;
    1.92 +	}
    1.93 +
    1.94 +protected:
    1.95 +
    1.96 +	// -------------------------------------------------------------------
    1.97 +	/** Calculates tangents and bitangents for a specific mesh.
    1.98 +	* @param pMesh The mesh to process.
    1.99 +	* @param meshIndex Index of the mesh
   1.100 +	*/
   1.101 +	bool ProcessMesh( aiMesh* pMesh, unsigned int meshIndex);
   1.102 +
   1.103 +	// -------------------------------------------------------------------
   1.104 +	/** Executes the post processing step on the given imported data.
   1.105 +	* @param pScene The imported data to work at.
   1.106 +	*/
   1.107 +	void Execute( aiScene* pScene);
   1.108 +
   1.109 +private:
   1.110 +
   1.111 +	/** Configuration option: maximum smoothing angle, in radians*/
   1.112 +	float configMaxAngle;
   1.113 +	unsigned int configSourceUV;
   1.114 +};
   1.115 +
   1.116 +} // end of namespace Assimp
   1.117 +
   1.118 +#endif // AI_CALCTANGENTSPROCESS_H_INC