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-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2022, 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 NFFLoader.h
- * @brief Declaration of the NFF importer class.
- */
-#pragma once
-#ifndef AI_NFFLOADER_H_INCLUDED
-#define AI_NFFLOADER_H_INCLUDED
-
-#include <assimp/BaseImporter.h>
-#include <assimp/material.h>
-#include <assimp/types.h>
-#include <vector>
-
-namespace Assimp {
-
-// ----------------------------------------------------------------------------------
-/** NFF (Neutral File Format) Importer class.
- *
- * The class implements both Eric Haynes NFF format and Sense8's NFF (NFF2) format.
- * Both are quite different and the loading code is somewhat dirty at
- * the moment. Sense8 should be moved to a separate loader.
-*/
-class NFFImporter : public BaseImporter {
-public:
- NFFImporter();
- ~NFFImporter() override;
-
- // -------------------------------------------------------------------
- /** Returns whether the class can handle the format of the given file.
- * See BaseImporter::CanRead() for details.
- */
- bool CanRead(const std::string &pFile, IOSystem *pIOHandler,
- bool checkSig) const override;
-
-protected:
- // -------------------------------------------------------------------
- /** Return importer meta information.
- * See #BaseImporter::GetInfo for the details
- */
- const aiImporterDesc *GetInfo() const override;
-
- // -------------------------------------------------------------------
- /** Imports the given file into the given scene structure.
- * See BaseImporter::InternReadFile() for details
- */
- void InternReadFile(const std::string &pFile, aiScene *pScene,
- IOSystem *pIOHandler) override;
-
-private:
- // describes face material properties
- struct ShadingInfo {
- ShadingInfo() :
- color(0.6f, 0.6f, 0.6f),
- diffuse(1.f, 1.f, 1.f),
- specular(1.f, 1.f, 1.f),
- ambient(0.f, 0.f, 0.f),
- emissive(0.f, 0.f, 0.f),
- refracti(1.f),
- twoSided(false), // for NFF2
- shaded(true), // for NFF2
- opacity(1.f),
- shininess(0.f),
- mapping(aiTextureMapping_UV) {
- // empty
- }
-
- aiColor3D color, diffuse, specular, ambient, emissive;
- ai_real refracti;
- std::string texFile;
- bool twoSided; // For NFF2
- bool shaded;
- ai_real opacity, shininess;
- std::string name;
-
- // texture mapping to be generated for the mesh - uv is the default
- // it means: use UV if there, nothing otherwise. This property is
- // used for locked meshes.
- aiTextureMapping mapping;
-
- // shininess is ignored for the moment
- bool operator == (const ShadingInfo &other) const {
- return color == other.color &&
- diffuse == other.diffuse &&
- specular == other.specular &&
- ambient == other.ambient &&
- refracti == other.refracti &&
- texFile == other.texFile &&
- twoSided == other.twoSided &&
- shaded == other.shaded;
-
- // Some properties from NFF2 aren't compared by this operator.
- // Comparing MeshInfo::matIndex should do that.
- }
- };
-
- // describes a NFF light source
- struct Light {
- Light() :
- intensity(1.f), color(1.f, 1.f, 1.f) {}
-
- aiVector3D position;
- ai_real intensity;
- aiColor3D color;
- };
-
- enum PatchType {
- PatchType_Simple = 0x0,
- PatchType_Normals = 0x1,
- PatchType_UVAndNormals = 0x2
- };
-
- // describes a NFF mesh
- struct MeshInfo {
- MeshInfo(PatchType _pType, bool bL = false) :
- pType(_pType), bLocked(bL), radius(1.f, 1.f, 1.f), dir(0.f, 1.f, 0.f), matIndex(0) {
- name[0] = '\0'; // by default meshes are unnamed
- }
-
- ShadingInfo shader;
- PatchType pType;
- bool bLocked;
-
- // for spheres, cones and cylinders: center point of the object
- aiVector3D center, radius, dir;
- static const size_t MaxNameLen = 128;
- char name[MaxNameLen];
-
- std::vector<aiVector3D> vertices, normals, uvs;
- std::vector<unsigned int> faces;
-
- // for NFF2
- std::vector<aiColor4D> colors;
- unsigned int matIndex;
- };
-
- // -------------------------------------------------------------------
- /** Loads the material table for the NFF2 file format from an
- * external file.
- *
- * @param output Receives the list of output meshes
- * @param path Path to the file (abs. or rel.)
- * @param pIOHandler IOSystem to be used to open the file
- */
- void LoadNFF2MaterialTable(std::vector<ShadingInfo> &output,
- const std::string &path, IOSystem *pIOHandler);
-};
-
-} // end of namespace Assimp
-
-#endif // AI_NFFIMPORTER_H_IN