switch to tinyobj and nanovg from assimp and cairo

1 files changed, 0 insertions, 409 deletions

diff --git a/libs/assimp/code/PostProcessing/FindInvalidDataProcess.cpp b/libs/assimp/code/PostProcessing/FindInvalidDataProcess.cpp
deleted file mode 100644
index b42cbe9..0000000
--- a/libs/assimp/code/PostProcessing/FindInvalidDataProcess.cpp
+++ /dev/null
@@ -1,409 +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 Defines a post processing step to search an importer's output
-    for data that is obviously invalid  */
-
-#ifndef ASSIMP_BUILD_NO_FINDINVALIDDATA_PROCESS
-
-// internal headers
-#include "FindInvalidDataProcess.h"
-#include "ProcessHelper.h"
-
-#include <assimp/Exceptional.h>
-#include <assimp/qnan.h>
-
-using namespace Assimp;
-
-// ------------------------------------------------------------------------------------------------
-// Constructor to be privately used by Importer
-FindInvalidDataProcess::FindInvalidDataProcess() :
-        configEpsilon(0.0), mIgnoreTexCoods(false) {
-    // nothing to do here
-}
-
-// ------------------------------------------------------------------------------------------------
-// Destructor, private as well
-FindInvalidDataProcess::~FindInvalidDataProcess() {
-    // nothing to do here
-}
-
-// ------------------------------------------------------------------------------------------------
-// Returns whether the processing step is present in the given flag field.
-bool FindInvalidDataProcess::IsActive(unsigned int pFlags) const {
-    return 0 != (pFlags & aiProcess_FindInvalidData);
-}
-
-// ------------------------------------------------------------------------------------------------
-// Setup import configuration
-void FindInvalidDataProcess::SetupProperties(const Importer *pImp) {
-    // Get the current value of AI_CONFIG_PP_FID_ANIM_ACCURACY
-    configEpsilon = (0 != pImp->GetPropertyFloat(AI_CONFIG_PP_FID_ANIM_ACCURACY, 0.f));
-    mIgnoreTexCoods = pImp->GetPropertyBool(AI_CONFIG_PP_FID_IGNORE_TEXTURECOORDS, false);
-}
-
-// ------------------------------------------------------------------------------------------------
-// Update mesh references in the node graph
-void UpdateMeshReferences(aiNode *node, const std::vector<unsigned int> &meshMapping) {
-    if (node->mNumMeshes) {
-        unsigned int out = 0;
-        for (unsigned int a = 0; a < node->mNumMeshes; ++a) {
-
-            unsigned int ref = node->mMeshes[a];
-            if (UINT_MAX != (ref = meshMapping[ref])) {
-                node->mMeshes[out++] = ref;
-            }
-        }
-        // just let the members that are unused, that's much cheaper
-        // than a full array realloc'n'copy party ...
-        node->mNumMeshes = out;
-        if (0 == out) {
-            delete[] node->mMeshes;
-            node->mMeshes = nullptr;
-        }
-    }
-    // recursively update all children
-    for (unsigned int i = 0; i < node->mNumChildren; ++i) {
-        UpdateMeshReferences(node->mChildren[i], meshMapping);
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Executes the post processing step on the given imported data.
-void FindInvalidDataProcess::Execute(aiScene *pScene) {
-    ASSIMP_LOG_DEBUG("FindInvalidDataProcess begin");
-
-    bool out = false;
-    std::vector<unsigned int> meshMapping(pScene->mNumMeshes);
-    unsigned int real = 0;
-
-    // Process meshes
-    for (unsigned int a = 0; a < pScene->mNumMeshes; a++) {
-        int result = ProcessMesh(pScene->mMeshes[a]);
-        if (0 == result) {
-            out = true;
-        }
-        if (2 == result) {
-            // remove this mesh
-            delete pScene->mMeshes[a];
-            pScene->mMeshes[a] = nullptr;
-
-            meshMapping[a] = UINT_MAX;
-            out = true;
-            continue;
-        }
-
-        pScene->mMeshes[real] = pScene->mMeshes[a];
-        meshMapping[a] = real++;
-    }
-
-    // Process animations
-    for (unsigned int animIdx = 0; animIdx < pScene->mNumAnimations; ++animIdx) {
-        ProcessAnimation(pScene->mAnimations[animIdx]);
-    }
-
-    if (out) {
-        if (real != pScene->mNumMeshes) {
-            if (!real) {
-                throw DeadlyImportError("No meshes remaining");
-            }
-
-            // we need to remove some meshes.
-            // therefore we'll also need to remove all references
-            // to them from the scenegraph
-            UpdateMeshReferences(pScene->mRootNode, meshMapping);
-            pScene->mNumMeshes = real;
-        }
-
-        ASSIMP_LOG_INFO("FindInvalidDataProcess finished. Found issues ...");
-    } else {
-        ASSIMP_LOG_DEBUG("FindInvalidDataProcess finished. Everything seems to be OK.");
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-template <typename T>
-inline const char *ValidateArrayContents(const T * /*arr*/, unsigned int /*size*/,
-        const std::vector<bool> & /*dirtyMask*/, bool /*mayBeIdentical = false*/, bool /*mayBeZero = true*/) {
-    return nullptr;
-}
-
-// ------------------------------------------------------------------------------------------------
-template <>
-inline const char *ValidateArrayContents<aiVector3D>(const aiVector3D *arr, unsigned int size,
-        const std::vector<bool> &dirtyMask, bool mayBeIdentical, bool mayBeZero) {
-    bool b = false;
-    unsigned int cnt = 0;
-    for (unsigned int i = 0; i < size; ++i) {
-
-        if (dirtyMask.size() && dirtyMask[i]) {
-            continue;
-        }
-        ++cnt;
-
-        const aiVector3D &v = arr[i];
-        if (is_special_float(v.x) || is_special_float(v.y) || is_special_float(v.z)) {
-            return "INF/NAN was found in a vector component";
-        }
-        if (!mayBeZero && !v.x && !v.y && !v.z) {
-            return "Found zero-length vector";
-        }
-        if (i && v != arr[i - 1]) b = true;
-    }
-    if (cnt > 1 && !b && !mayBeIdentical) {
-        return "All vectors are identical";
-    }
-    return nullptr;
-}
-
-// ------------------------------------------------------------------------------------------------
-template <typename T>
-inline bool ProcessArray(T *&in, unsigned int num, const char *name,
-        const std::vector<bool> &dirtyMask, bool mayBeIdentical = false, bool mayBeZero = true) {
-    const char *err = ValidateArrayContents(in, num, dirtyMask, mayBeIdentical, mayBeZero);
-    if (err) {
-        ASSIMP_LOG_ERROR("FindInvalidDataProcess fails on mesh ", name, ": ", err);
-        delete[] in;
-        in = nullptr;
-        return true;
-    }
-    return false;
-}
-
-// ------------------------------------------------------------------------------------------------
-template <typename T>
-AI_FORCE_INLINE bool EpsilonCompare(const T &n, const T &s, ai_real epsilon);
-
-// ------------------------------------------------------------------------------------------------
-AI_FORCE_INLINE bool EpsilonCompare(ai_real n, ai_real s, ai_real epsilon) {
-    return std::fabs(n - s) > epsilon;
-}
-
-// ------------------------------------------------------------------------------------------------
-template <>
-bool EpsilonCompare<aiVectorKey>(const aiVectorKey &n, const aiVectorKey &s, ai_real epsilon) {
-    return EpsilonCompare(n.mValue.x, s.mValue.x, epsilon) &&
-           EpsilonCompare(n.mValue.y, s.mValue.y, epsilon) &&
-           EpsilonCompare(n.mValue.z, s.mValue.z, epsilon);
-}
-
-// ------------------------------------------------------------------------------------------------
-template <>
-bool EpsilonCompare<aiQuatKey>(const aiQuatKey &n, const aiQuatKey &s, ai_real epsilon) {
-    return EpsilonCompare(n.mValue.x, s.mValue.x, epsilon) &&
-           EpsilonCompare(n.mValue.y, s.mValue.y, epsilon) &&
-           EpsilonCompare(n.mValue.z, s.mValue.z, epsilon) &&
-           EpsilonCompare(n.mValue.w, s.mValue.w, epsilon);
-}
-
-// ------------------------------------------------------------------------------------------------
-template <typename T>
-inline bool AllIdentical(T *in, unsigned int num, ai_real epsilon) {
-    if (num <= 1) {
-        return true;
-    }
-
-    if (fabs(epsilon) > 0.f) {
-        for (unsigned int i = 0; i < num - 1; ++i) {
-            if (!EpsilonCompare(in[i], in[i + 1], epsilon)) {
-                return false;
-            }
-        }
-    } else {
-        for (unsigned int i = 0; i < num - 1; ++i) {
-            if (in[i] != in[i + 1]) {
-                return false;
-            }
-        }
-    }
-    return true;
-}
-
-// ------------------------------------------------------------------------------------------------
-// Search an animation for invalid content
-void FindInvalidDataProcess::ProcessAnimation(aiAnimation *anim) {
-    // Process all animation channels
-    for (unsigned int a = 0; a < anim->mNumChannels; ++a) {
-        ProcessAnimationChannel(anim->mChannels[a]);
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-void FindInvalidDataProcess::ProcessAnimationChannel(aiNodeAnim *anim) {
-    ai_assert(nullptr != anim);
-    if (anim->mNumPositionKeys == 0 && anim->mNumRotationKeys == 0 && anim->mNumScalingKeys == 0) {
-        ai_assert_entry();
-        return;
-    }
-
-    // Check whether all values in a tracks are identical - in this case
-    // we can remove al keys except one.
-    // POSITIONS
-    int i = 0;
-    if (anim->mNumPositionKeys > 1 && AllIdentical(anim->mPositionKeys, anim->mNumPositionKeys, configEpsilon)) {
-        aiVectorKey v = anim->mPositionKeys[0];
-
-        // Reallocate ... we need just ONE element, it makes no sense to reuse the array
-        delete[] anim->mPositionKeys;
-        anim->mPositionKeys = new aiVectorKey[anim->mNumPositionKeys = 1];
-        anim->mPositionKeys[0] = v;
-        i = 1;
-    }
-
-    // ROTATIONS
-    if (anim->mNumRotationKeys > 1 && AllIdentical(anim->mRotationKeys, anim->mNumRotationKeys, configEpsilon)) {
-        aiQuatKey v = anim->mRotationKeys[0];
-
-        // Reallocate ... we need just ONE element, it makes no sense to reuse the array
-        delete[] anim->mRotationKeys;
-        anim->mRotationKeys = new aiQuatKey[anim->mNumRotationKeys = 1];
-        anim->mRotationKeys[0] = v;
-        i = 1;
-    }
-
-    // SCALINGS
-    if (anim->mNumScalingKeys > 1 && AllIdentical(anim->mScalingKeys, anim->mNumScalingKeys, configEpsilon)) {
-        aiVectorKey v = anim->mScalingKeys[0];
-
-        // Reallocate ... we need just ONE element, it makes no sense to reuse the array
-        delete[] anim->mScalingKeys;
-        anim->mScalingKeys = new aiVectorKey[anim->mNumScalingKeys = 1];
-        anim->mScalingKeys[0] = v;
-        i = 1;
-    }
-    if (1 == i) {
-        ASSIMP_LOG_WARN("Simplified dummy tracks with just one key");
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Search a mesh for invalid contents
-int FindInvalidDataProcess::ProcessMesh(aiMesh *pMesh) {
-    bool ret = false;
-    std::vector<bool> dirtyMask(pMesh->mNumVertices, pMesh->mNumFaces != 0);
-
-    // Ignore elements that are not referenced by vertices.
-    // (they are, for example, caused by the FindDegenerates step)
-    for (unsigned int m = 0; m < pMesh->mNumFaces; ++m) {
-        const aiFace &f = pMesh->mFaces[m];
-
-        for (unsigned int i = 0; i < f.mNumIndices; ++i) {
-            dirtyMask[f.mIndices[i]] = false;
-        }
-    }
-
-    // Process vertex positions
-    if (pMesh->mVertices && ProcessArray(pMesh->mVertices, pMesh->mNumVertices, "positions", dirtyMask)) {
-        ASSIMP_LOG_ERROR("Deleting mesh: Unable to continue without vertex positions");
-
-        return 2;
-    }
-
-    // process texture coordinates
-    if (!mIgnoreTexCoods) {
-        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS && pMesh->mTextureCoords[i]; ++i) {
-            if (ProcessArray(pMesh->mTextureCoords[i], pMesh->mNumVertices, "uvcoords", dirtyMask)) {
-                pMesh->mNumUVComponents[i] = 0;
-
-                // delete all subsequent texture coordinate sets.
-                for (unsigned int a = i + 1; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++a) {
-                    delete[] pMesh->mTextureCoords[a];
-                    pMesh->mTextureCoords[a] = nullptr;
-                    pMesh->mNumUVComponents[a] = 0;
-                }
-
-                ret = true;
-            }
-        }
-    }
-
-    // -- we don't validate vertex colors, it's difficult to say whether
-    // they are invalid or not.
-
-    // Normals and tangents are undefined for point and line faces.
-    if (pMesh->mNormals || pMesh->mTangents) {
-
-        if (aiPrimitiveType_POINT & pMesh->mPrimitiveTypes ||
-                aiPrimitiveType_LINE & pMesh->mPrimitiveTypes) {
-            if (aiPrimitiveType_TRIANGLE & pMesh->mPrimitiveTypes ||
-                    aiPrimitiveType_POLYGON & pMesh->mPrimitiveTypes) {
-                // We need to update the lookup-table
-                for (unsigned int m = 0; m < pMesh->mNumFaces; ++m) {
-                    const aiFace &f = pMesh->mFaces[m];
-
-                    if (f.mNumIndices < 3) {
-                        dirtyMask[f.mIndices[0]] = true;
-                        if (f.mNumIndices == 2) {
-                            dirtyMask[f.mIndices[1]] = true;
-                        }
-                    }
-                }
-            }
-            // Normals, tangents and bitangents are undefined for
-            // the whole mesh (and should not even be there)
-            else {
-                return ret;
-            }
-        }
-
-        // Process mesh normals
-        if (pMesh->mNormals && ProcessArray(pMesh->mNormals, pMesh->mNumVertices,
-                                       "normals", dirtyMask, true, false))
-            ret = true;
-
-        // Process mesh tangents
-        if (pMesh->mTangents && ProcessArray(pMesh->mTangents, pMesh->mNumVertices, "tangents", dirtyMask)) {
-            delete[] pMesh->mBitangents;
-            pMesh->mBitangents = nullptr;
-            ret = true;
-        }
-
-        // Process mesh bitangents
-        if (pMesh->mBitangents && ProcessArray(pMesh->mBitangents, pMesh->mNumVertices, "bitangents", dirtyMask)) {
-            delete[] pMesh->mTangents;
-            pMesh->mTangents = nullptr;
-            ret = true;
-        }
-    }
-    return ret ? 1 : 0;
-}
-
-#endif // !! ASSIMP_BUILD_NO_FINDINVALIDDATA_PROCESS