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-/*
-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.
-
-----------------------------------------------------------------------
-*/
-
-/** @file Defines a helper class to evaluate subdivision surfaces.*/
-#pragma once
-#ifndef AI_SUBDISIVION_H_INC
-#define AI_SUBDISIVION_H_INC
-
-#include <cstddef>
-#include <assimp/types.h>
-
-struct aiMesh;
-
-namespace Assimp {
-
-// ------------------------------------------------------------------------------
-/** Helper class to evaluate subdivision surfaces. Different algorithms
- * are provided for choice. */
-// ------------------------------------------------------------------------------
-class ASSIMP_API Subdivider {
-public:
-
- /** Enumerates all supported subvidision algorithms */
- enum Algorithm {
- CATMULL_CLARKE = 0x1
- };
-
- virtual ~Subdivider();
-
- // ---------------------------------------------------------------
- /** Create a subdivider of a specific type
- *
- * @param algo Algorithm to be used for subdivision
- * @return Subdivider instance. */
- static Subdivider* Create (Algorithm algo);
-
- // ---------------------------------------------------------------
- /** Subdivide a mesh using the selected algorithm
- *
- * @param mesh First mesh to be subdivided. Must be in verbose
- * format.
- * @param out Receives the output mesh, allocated by me.
- * @param num Number of subdivisions to perform.
- * @param discard_input If true is passed, the input mesh is
- * deleted after the subdivision is complete. This can
- * improve performance because it allows the optimization
- * to reuse the existing mesh for intermediate results.
- * @pre out!=mesh*/
- virtual void Subdivide ( aiMesh* mesh,
- aiMesh*& out, unsigned int num,
- bool discard_input = false) = 0;
-
- // ---------------------------------------------------------------
- /** Subdivide multiple meshes using the selected algorithm. This
- * avoids erroneous smoothing on objects consisting of multiple
- * per-material meshes. Usually, most 3d modellers smooth on a
- * per-object base, regardless the materials assigned to the
- * meshes.
- *
- * @param smesh Array of meshes to be subdivided. Must be in
- * verbose format.
- * @param nmesh Number of meshes in smesh.
- * @param out Receives the output meshes. The array must be
- * sufficiently large (at least @c nmesh elements) and may not
- * overlap the input array. Output meshes map one-to-one to
- * their corresponding input meshes. The meshes are allocated
- * by the function.
- * @param discard_input If true is passed, input meshes are
- * deleted after the subdivision is complete. This can
- * improve performance because it allows the optimization
- * of reusing existing meshes for intermediate results.
- * @param num Number of subdivisions to perform.
- * @pre nmesh != 0, smesh and out may not overlap*/
- virtual void Subdivide (
- aiMesh** smesh,
- size_t nmesh,
- aiMesh** out,
- unsigned int num,
- bool discard_input = false) = 0;
-
-};
-
-inline
-Subdivider::~Subdivider() {
- // empty
-}
-
-} // end namespace Assimp
-
-
-#endif // !! AI_SUBDISIVION_H_INC
-