closes https://github.com/assimp/assimp/issues/2154: remove redundant file from source folder.

code/SGSpatialSort.h

@@ -1,141 +0,0 @@
-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2017, assimp team
-
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the
-following conditions are met:
-
-* Redistributions of source code must retain the above
-  copyright notice, this list of conditions and the
-  following disclaimer.
-
-* Redistributions in binary form must reproduce the above
-  copyright notice, this list of conditions and the
-  following disclaimer in the documentation and/or other
-  materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
-  contributors may be used to endorse or promote products
-  derived from this software without specific prior
-  written permission of the assimp team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-
-/** Small helper classes to optimize finding vertices close to a given location
- */
-#ifndef AI_D3DSSPATIALSORT_H_INC
-#define AI_D3DSSPATIALSORT_H_INC
-
-#include <assimp/types.h>
-#include <vector>
-#include <stdint.h>
-
-namespace Assimp    {
-
-// ----------------------------------------------------------------------------------
-/** Specialized version of SpatialSort to support smoothing groups
- *  This is used in by the 3DS, ASE and LWO loaders. 3DS and ASE share their
- *  normal computation code in SmoothingGroups.inl, the LWO loader has its own
- *  implementation to handle all details of its file format correctly.
- */
-// ----------------------------------------------------------------------------------
-class ASSIMP_API SGSpatialSort
-{
-public:
-
-    SGSpatialSort();
-
-    // -------------------------------------------------------------------
-    /** Construction from a given face array, handling smoothing groups
-     *  properly
-     */
-    explicit SGSpatialSort(const std::vector<aiVector3D>& vPositions);
-
-    // -------------------------------------------------------------------
-    /** Add a vertex to the spatial sort
-     * @param vPosition Vertex position to be added
-     * @param index Index of the vrtex
-     * @param smoothingGroup SmoothingGroup for this vertex
-     */
-    void Add(const aiVector3D& vPosition, unsigned int index,
-        unsigned int smoothingGroup);
-
-    // -------------------------------------------------------------------
-    /** Prepare the spatial sorter for use. This step runs in O(logn)
-     */
-    void Prepare();
-
-    /** Destructor */
-    ~SGSpatialSort();
-
-    // -------------------------------------------------------------------
-    /** Returns an iterator for all positions close to the given position.
-     * @param pPosition The position to look for vertices.
-     * @param pSG Only included vertices with at least one shared smooth group
-     * @param pRadius Maximal distance from the position a vertex may have
-     *   to be counted in.
-     * @param poResults The container to store the indices of the found
-     *   positions. Will be emptied by the call so it may contain anything.
-     * @param exactMatch Specifies whether smoothing groups are bit masks
-     *   (false) or integral values (true). In the latter case, a vertex
-     *   cannot belong to more than one smoothing group.
-     * @return An iterator to iterate over all vertices in the given area.
-     */
-    // -------------------------------------------------------------------
-    void FindPositions( const aiVector3D& pPosition, uint32_t pSG,
-        float pRadius, std::vector<unsigned int>& poResults,
-        bool exactMatch = false) const;
-
-protected:
-    /** Normal of the sorting plane, normalized. The center is always at (0, 0, 0) */
-    aiVector3D mPlaneNormal;
-
-    // -------------------------------------------------------------------
-    /** An entry in a spatially sorted position array. Consists of a
-     *  vertex index, its position and its precalculated distance from
-     *  the reference plane */
-    // -------------------------------------------------------------------
-    struct Entry
-    {
-        unsigned int mIndex;    ///< The vertex referred by this entry
-        aiVector3D mPosition;   ///< Position
-        uint32_t mSmoothGroups;
-        float mDistance;        ///< Distance of this vertex to the sorting plane
-
-        Entry() { /** intentionally not initialized.*/ }
-        Entry( unsigned int pIndex, const aiVector3D& pPosition, float pDistance,uint32_t pSG)
-            :
-            mIndex( pIndex),
-            mPosition( pPosition),
-            mSmoothGroups (pSG),
-            mDistance( pDistance)
-            {   }
-
-        bool operator < (const Entry& e) const { return mDistance < e.mDistance; }
-    };
-
-    // all positions, sorted by distance to the sorting plane
-    std::vector<Entry> mPositions;
-};
-
-} // end of namespace Assimp
-
-#endif // AI_SPATIALSORT_H_INC