1 files changed, 0 insertions, 233 deletions
diff --git a/libs/assimp/code/PostProcessing/GenVertexNormalsProcess.cpp b/libs/assimp/code/PostProcessing/GenVertexNormalsProcess.cpp
deleted file mode 100644
index 1a8afc5..0000000
--- a/libs/assimp/code/PostProcessing/GenVertexNormalsProcess.cpp
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
----------------------------------------------------------------------------
-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 Implementation of the post processing step to generate face
-* normals for all imported faces.
-*/
-
-// internal headers
-#include "GenVertexNormalsProcess.h"
-#include "ProcessHelper.h"
-#include <assimp/Exceptional.h>
-#include <assimp/qnan.h>
-
-using namespace Assimp;
-
-// ------------------------------------------------------------------------------------------------
-// Constructor to be privately used by Importer
-GenVertexNormalsProcess::GenVertexNormalsProcess() :
-        configMaxAngle(AI_DEG_TO_RAD(175.f)) {
-    // empty
-}
-
-// ------------------------------------------------------------------------------------------------
-// Destructor, private as well
-GenVertexNormalsProcess::~GenVertexNormalsProcess() {
-    // nothing to do here
-}
-
-// ------------------------------------------------------------------------------------------------
-// Returns whether the processing step is present in the given flag field.
-bool GenVertexNormalsProcess::IsActive(unsigned int pFlags) const {
-    force_ = (pFlags & aiProcess_ForceGenNormals) != 0;
-    flippedWindingOrder_ = (pFlags & aiProcess_FlipWindingOrder) != 0;
-    return (pFlags & aiProcess_GenSmoothNormals) != 0;
-}
-
-// ------------------------------------------------------------------------------------------------
-// Executes the post processing step on the given imported data.
-void GenVertexNormalsProcess::SetupProperties(const Importer *pImp) {
-    // Get the current value of the AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE property
-    configMaxAngle = pImp->GetPropertyFloat(AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE, (ai_real)175.0);
-    configMaxAngle = AI_DEG_TO_RAD(std::max(std::min(configMaxAngle, (ai_real)175.0), (ai_real)0.0));
-}
-
-// ------------------------------------------------------------------------------------------------
-// Executes the post processing step on the given imported data.
-void GenVertexNormalsProcess::Execute(aiScene *pScene) {
-    ASSIMP_LOG_DEBUG("GenVertexNormalsProcess begin");
-
-    if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) {
-        throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here");
-    }
-
-    bool bHas = false;
-    for (unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
-        if (GenMeshVertexNormals(pScene->mMeshes[a], a))
-            bHas = true;
-    }
-
-    if (bHas) {
-        ASSIMP_LOG_INFO("GenVertexNormalsProcess finished. "
-                        "Vertex normals have been calculated");
-    } else {
-        ASSIMP_LOG_DEBUG("GenVertexNormalsProcess finished. "
-                         "Normals are already there");
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Executes the post processing step on the given imported data.
-bool GenVertexNormalsProcess::GenMeshVertexNormals(aiMesh *pMesh, unsigned int meshIndex) {
-    if (nullptr != pMesh->mNormals) {
-        if (force_)
-            delete[] pMesh->mNormals;
-        else
-            return false;
-    }
-
-    // If the mesh consists of lines and/or points but not of
-    // triangles or higher-order polygons the normal vectors
-    // are undefined.
-    if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON))) {
-        ASSIMP_LOG_INFO("Normal vectors are undefined for line and point meshes");
-        return false;
-    }
-
-    // Allocate the array to hold the output normals
-    const float qnan = std::numeric_limits<ai_real>::quiet_NaN();
-    pMesh->mNormals = new aiVector3D[pMesh->mNumVertices];
-
-    // Compute per-face normals but store them per-vertex
-    for (unsigned int a = 0; a < pMesh->mNumFaces; a++) {
-        const aiFace &face = pMesh->mFaces[a];
-        if (face.mNumIndices < 3) {
-            // either a point or a line -> no normal vector
-            for (unsigned int i = 0; i < face.mNumIndices; ++i) {
-                pMesh->mNormals[face.mIndices[i]] = aiVector3D(qnan);
-            }
-
-            continue;
-        }
-
-        const aiVector3D *pV1 = &pMesh->mVertices[face.mIndices[0]];
-        const aiVector3D *pV2 = &pMesh->mVertices[face.mIndices[1]];
-        const aiVector3D *pV3 = &pMesh->mVertices[face.mIndices[face.mNumIndices - 1]];
-        if (flippedWindingOrder_)
-            std::swap( pV2, pV3 );
-        const aiVector3D vNor = ((*pV2 - *pV1) ^ (*pV3 - *pV1)).NormalizeSafe();
-
-        for (unsigned int i = 0; i < face.mNumIndices; ++i) {
-            pMesh->mNormals[face.mIndices[i]] = vNor;
-        }
-    }
-
-    // Set up a SpatialSort to quickly find all vertices close to a given position
-    // check whether we can reuse the SpatialSort of a previous step.
-    SpatialSort *vertexFinder = nullptr;
-    SpatialSort _vertexFinder;
-    ai_real posEpsilon = ai_real(1e-5);
-    if (shared) {
-        std::vector<std::pair<SpatialSort, ai_real>> *avf;
-        shared->GetProperty(AI_SPP_SPATIAL_SORT, avf);
-        if (avf) {
-            std::pair<SpatialSort, ai_real> &blubb = avf->operator[](meshIndex);
-            vertexFinder = &blubb.first;
-            posEpsilon = blubb.second;
-        }
-    }
-    if (!vertexFinder) {
-        _vertexFinder.Fill(pMesh->mVertices, pMesh->mNumVertices, sizeof(aiVector3D));
-        vertexFinder = &_vertexFinder;
-        posEpsilon = ComputePositionEpsilon(pMesh);
-    }
-    std::vector<unsigned int> verticesFound;
-    aiVector3D *pcNew = new aiVector3D[pMesh->mNumVertices];
-
-    if (configMaxAngle >= AI_DEG_TO_RAD(175.f)) {
-        // There is no angle limit. Thus all vertices with positions close
-        // to each other will receive the same vertex normal. This allows us
-        // to optimize the whole algorithm a little bit ...
-        std::vector<bool> abHad(pMesh->mNumVertices, false);
-        for (unsigned int i = 0; i < pMesh->mNumVertices; ++i) {
-            if (abHad[i]) {
-                continue;
-            }
-
-            // Get all vertices that share this one ...
-            vertexFinder->FindPositions(pMesh->mVertices[i], posEpsilon, verticesFound);
-
-            aiVector3D pcNor;
-            for (unsigned int a = 0; a < verticesFound.size(); ++a) {
-                const aiVector3D &v = pMesh->mNormals[verticesFound[a]];
-                if (is_not_qnan(v.x)) pcNor += v;
-            }
-            pcNor.NormalizeSafe();
-
-            // Write the smoothed normal back to all affected normals
-            for (unsigned int a = 0; a < verticesFound.size(); ++a) {
-                unsigned int vidx = verticesFound[a];
-                pcNew[vidx] = pcNor;
-                abHad[vidx] = true;
-            }
-        }
-    }
-    // Slower code path if a smooth angle is set. There are many ways to achieve
-    // the effect, this one is the most straightforward one.
-    else {
-        const ai_real fLimit = std::cos(configMaxAngle);
-        for (unsigned int i = 0; i < pMesh->mNumVertices; ++i) {
-            // Get all vertices that share this one ...
-            vertexFinder->FindPositions(pMesh->mVertices[i], posEpsilon, verticesFound);
-
-            aiVector3D vr = pMesh->mNormals[i];
-
-            aiVector3D pcNor;
-            for (unsigned int a = 0; a < verticesFound.size(); ++a) {
-                aiVector3D v = pMesh->mNormals[verticesFound[a]];
-
-                // Check whether the angle between the two normals is not too large.
-                // Skip the angle check on our own normal to avoid false negatives
-                // (v*v is not guaranteed to be 1.0 for all unit vectors v)
-                if (is_not_qnan(v.x) && (verticesFound[a] == i || (v * vr >= fLimit)))
-                    pcNor += v;
-            }
-            pcNew[i] = pcNor.NormalizeSafe();
-        }
-    }
-
-    delete[] pMesh->mNormals;
-    pMesh->mNormals = pcNew;
-
-    return true;
-}