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Diffstat (limited to 'thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp')
| -rw-r--r-- | thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp | 1034 |
1 files changed, 0 insertions, 1034 deletions
diff --git a/thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp b/thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp deleted file mode 100644 index 75d1b6ef78..0000000000 --- a/thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp +++ /dev/null @@ -1,1034 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2019, 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 ValidateDataStructure.cpp - * @brief Implementation of the post processing step to validate - * the data structure returned by Assimp. - */ - -// internal headers -#include "ValidateDataStructure.h" -#include <assimp/BaseImporter.h> -#include <assimp/fast_atof.h> -#include "ProcessHelper.h" -#include <memory> - -// CRT headers -#include <stdarg.h> - -using namespace Assimp; - -// ------------------------------------------------------------------------------------------------ -// Constructor to be privately used by Importer -ValidateDSProcess::ValidateDSProcess() : - mScene() -{} - -// ------------------------------------------------------------------------------------------------ -// Destructor, private as well -ValidateDSProcess::~ValidateDSProcess() -{} - -// ------------------------------------------------------------------------------------------------ -// Returns whether the processing step is present in the given flag field. -bool ValidateDSProcess::IsActive( unsigned int pFlags) const -{ - return (pFlags & aiProcess_ValidateDataStructure) != 0; -} -// ------------------------------------------------------------------------------------------------ -AI_WONT_RETURN void ValidateDSProcess::ReportError(const char* msg,...) -{ - ai_assert(NULL != msg); - - va_list args; - va_start(args,msg); - - char szBuffer[3000]; - const int iLen = vsprintf(szBuffer,msg,args); - ai_assert(iLen > 0); - - va_end(args); - - throw DeadlyImportError("Validation failed: " + std::string(szBuffer,iLen)); -} -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::ReportWarning(const char* msg,...) -{ - ai_assert(NULL != msg); - - va_list args; - va_start(args,msg); - - char szBuffer[3000]; - const int iLen = vsprintf(szBuffer,msg,args); - ai_assert(iLen > 0); - - va_end(args); - ASSIMP_LOG_WARN("Validation warning: " + std::string(szBuffer,iLen)); -} - -// ------------------------------------------------------------------------------------------------ -inline -int HasNameMatch(const aiString& in, aiNode* node) { - int result = (node->mName == in ? 1 : 0 ); - for (unsigned int i = 0; i < node->mNumChildren;++i) { - result += HasNameMatch(in,node->mChildren[i]); - } - return result; -} - -// ------------------------------------------------------------------------------------------------ -template <typename T> -inline -void ValidateDSProcess::DoValidation(T** parray, unsigned int size, const char* firstName, const char* secondName) { - // validate all entries - if (size) - { - if (!parray) - { - ReportError("aiScene::%s is NULL (aiScene::%s is %i)", - firstName, secondName, size); - } - for (unsigned int i = 0; i < size;++i) - { - if (!parray[i]) - { - ReportError("aiScene::%s[%i] is NULL (aiScene::%s is %i)", - firstName,i,secondName,size); - } - Validate(parray[i]); - } - } -} - -// ------------------------------------------------------------------------------------------------ -template <typename T> -inline void ValidateDSProcess::DoValidationEx(T** parray, unsigned int size, - const char* firstName, const char* secondName) -{ - // validate all entries - if (size) - { - if (!parray) { - ReportError("aiScene::%s is NULL (aiScene::%s is %i)", - firstName, secondName, size); - } - for (unsigned int i = 0; i < size;++i) - { - if (!parray[i]) - { - ReportError("aiScene::%s[%u] is NULL (aiScene::%s is %u)", - firstName,i,secondName,size); - } - Validate(parray[i]); - - // check whether there are duplicate names - for (unsigned int a = i+1; a < size;++a) - { - if (parray[i]->mName == parray[a]->mName) - { - ReportError("aiScene::%s[%u] has the same name as " - "aiScene::%s[%u]",firstName, i,secondName, a); - } - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -template <typename T> -inline -void ValidateDSProcess::DoValidationWithNameCheck(T** array, unsigned int size, const char* firstName, - const char* secondName) { - // validate all entries - DoValidationEx(array,size,firstName,secondName); - - for (unsigned int i = 0; i < size;++i) { - int res = HasNameMatch(array[i]->mName,mScene->mRootNode); - if (0 == res) { - const std::string name = static_cast<char*>(array[i]->mName.data); - ReportError("aiScene::%s[%i] has no corresponding node in the scene graph (%s)", - firstName,i, name.c_str()); - } else if (1 != res) { - const std::string name = static_cast<char*>(array[i]->mName.data); - ReportError("aiScene::%s[%i]: there are more than one nodes with %s as name", - firstName,i, name.c_str()); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Executes the post processing step on the given imported data. -void ValidateDSProcess::Execute( aiScene* pScene) { - mScene = pScene; - ASSIMP_LOG_DEBUG("ValidateDataStructureProcess begin"); - - // validate the node graph of the scene - Validate(pScene->mRootNode); - - // validate all meshes - if (pScene->mNumMeshes) { - DoValidation(pScene->mMeshes,pScene->mNumMeshes,"mMeshes","mNumMeshes"); - } - else if (!(mScene->mFlags & AI_SCENE_FLAGS_INCOMPLETE)) { - ReportError("aiScene::mNumMeshes is 0. At least one mesh must be there"); - } - else if (pScene->mMeshes) { - ReportError("aiScene::mMeshes is non-null although there are no meshes"); - } - - // validate all animations - if (pScene->mNumAnimations) { - DoValidation(pScene->mAnimations,pScene->mNumAnimations, - "mAnimations","mNumAnimations"); - } - else if (pScene->mAnimations) { - ReportError("aiScene::mAnimations is non-null although there are no animations"); - } - - // validate all cameras - if (pScene->mNumCameras) { - DoValidationWithNameCheck(pScene->mCameras,pScene->mNumCameras, - "mCameras","mNumCameras"); - } - else if (pScene->mCameras) { - ReportError("aiScene::mCameras is non-null although there are no cameras"); - } - - // validate all lights - if (pScene->mNumLights) { - DoValidationWithNameCheck(pScene->mLights,pScene->mNumLights, - "mLights","mNumLights"); - } - else if (pScene->mLights) { - ReportError("aiScene::mLights is non-null although there are no lights"); - } - - // validate all textures - if (pScene->mNumTextures) { - DoValidation(pScene->mTextures,pScene->mNumTextures, - "mTextures","mNumTextures"); - } - else if (pScene->mTextures) { - ReportError("aiScene::mTextures is non-null although there are no textures"); - } - - // validate all materials - if (pScene->mNumMaterials) { - DoValidation(pScene->mMaterials,pScene->mNumMaterials,"mMaterials","mNumMaterials"); - } -#if 0 - // NOTE: ScenePreprocessor generates a default material if none is there - else if (!(mScene->mFlags & AI_SCENE_FLAGS_INCOMPLETE)) { - ReportError("aiScene::mNumMaterials is 0. At least one material must be there"); - } -#endif - else if (pScene->mMaterials) { - ReportError("aiScene::mMaterials is non-null although there are no materials"); - } - -// if (!has)ReportError("The aiScene data structure is empty"); - ASSIMP_LOG_DEBUG("ValidateDataStructureProcess end"); -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiLight* pLight) -{ - if (pLight->mType == aiLightSource_UNDEFINED) - ReportWarning("aiLight::mType is aiLightSource_UNDEFINED"); - - if (!pLight->mAttenuationConstant && - !pLight->mAttenuationLinear && - !pLight->mAttenuationQuadratic) { - ReportWarning("aiLight::mAttenuationXXX - all are zero"); - } - - if (pLight->mAngleInnerCone > pLight->mAngleOuterCone) - ReportError("aiLight::mAngleInnerCone is larger than aiLight::mAngleOuterCone"); - - if (pLight->mColorDiffuse.IsBlack() && pLight->mColorAmbient.IsBlack() - && pLight->mColorSpecular.IsBlack()) - { - ReportWarning("aiLight::mColorXXX - all are black and won't have any influence"); - } -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiCamera* pCamera) -{ - if (pCamera->mClipPlaneFar <= pCamera->mClipPlaneNear) - ReportError("aiCamera::mClipPlaneFar must be >= aiCamera::mClipPlaneNear"); - - // FIX: there are many 3ds files with invalid FOVs. No reason to - // reject them at all ... a warning is appropriate. - if (!pCamera->mHorizontalFOV || pCamera->mHorizontalFOV >= (float)AI_MATH_PI) - ReportWarning("%f is not a valid value for aiCamera::mHorizontalFOV",pCamera->mHorizontalFOV); -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiMesh* pMesh) -{ - // validate the material index of the mesh - if (mScene->mNumMaterials && pMesh->mMaterialIndex >= mScene->mNumMaterials) - { - ReportError("aiMesh::mMaterialIndex is invalid (value: %i maximum: %i)", - pMesh->mMaterialIndex,mScene->mNumMaterials-1); - } - - Validate(&pMesh->mName); - - for (unsigned int i = 0; i < pMesh->mNumFaces; ++i) - { - aiFace& face = pMesh->mFaces[i]; - - if (pMesh->mPrimitiveTypes) - { - switch (face.mNumIndices) - { - case 0: - ReportError("aiMesh::mFaces[%i].mNumIndices is 0",i); - break; - case 1: - if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_POINT)) - { - ReportError("aiMesh::mFaces[%i] is a POINT but aiMesh::mPrimitiveTypes " - "does not report the POINT flag",i); - } - break; - case 2: - if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_LINE)) - { - ReportError("aiMesh::mFaces[%i] is a LINE but aiMesh::mPrimitiveTypes " - "does not report the LINE flag",i); - } - break; - case 3: - if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_TRIANGLE)) - { - ReportError("aiMesh::mFaces[%i] is a TRIANGLE but aiMesh::mPrimitiveTypes " - "does not report the TRIANGLE flag",i); - } - break; - default: - if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_POLYGON)) - { - this->ReportError("aiMesh::mFaces[%i] is a POLYGON but aiMesh::mPrimitiveTypes " - "does not report the POLYGON flag",i); - } - break; - }; - } - - if (!face.mIndices) - ReportError("aiMesh::mFaces[%i].mIndices is NULL",i); - } - - // positions must always be there ... - if (!pMesh->mNumVertices || (!pMesh->mVertices && !mScene->mFlags)) { - ReportError("The mesh %s contains no vertices", pMesh->mName.C_Str()); - } - - if (pMesh->mNumVertices > AI_MAX_VERTICES) { - ReportError("Mesh has too many vertices: %u, but the limit is %u",pMesh->mNumVertices,AI_MAX_VERTICES); - } - if (pMesh->mNumFaces > AI_MAX_FACES) { - ReportError("Mesh has too many faces: %u, but the limit is %u",pMesh->mNumFaces,AI_MAX_FACES); - } - - // if tangents are there there must also be bitangent vectors ... - if ((pMesh->mTangents != NULL) != (pMesh->mBitangents != NULL)) { - ReportError("If there are tangents, bitangent vectors must be present as well"); - } - - // faces, too - if (!pMesh->mNumFaces || (!pMesh->mFaces && !mScene->mFlags)) { - ReportError("Mesh %s contains no faces", pMesh->mName.C_Str()); - } - - // now check whether the face indexing layout is correct: - // unique vertices, pseudo-indexed. - std::vector<bool> abRefList; - abRefList.resize(pMesh->mNumVertices,false); - for (unsigned int i = 0; i < pMesh->mNumFaces;++i) - { - aiFace& face = pMesh->mFaces[i]; - if (face.mNumIndices > AI_MAX_FACE_INDICES) { - ReportError("Face %u has too many faces: %u, but the limit is %u",i,face.mNumIndices,AI_MAX_FACE_INDICES); - } - - for (unsigned int a = 0; a < face.mNumIndices;++a) - { - if (face.mIndices[a] >= pMesh->mNumVertices) { - ReportError("aiMesh::mFaces[%i]::mIndices[%i] is out of range",i,a); - } - // the MSB flag is temporarily used by the extra verbose - // mode to tell us that the JoinVerticesProcess might have - // been executed already. - /*if ( !(this->mScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT ) && !(this->mScene->mFlags & AI_SCENE_FLAGS_ALLOW_SHARED) && - abRefList[face.mIndices[a]]) - { - ReportError("aiMesh::mVertices[%i] is referenced twice - second " - "time by aiMesh::mFaces[%i]::mIndices[%i]",face.mIndices[a],i,a); - }*/ - abRefList[face.mIndices[a]] = true; - } - } - - // check whether there are vertices that aren't referenced by a face - bool b = false; - for (unsigned int i = 0; i < pMesh->mNumVertices;++i) { - if (!abRefList[i])b = true; - } - abRefList.clear(); - if (b) { - ReportWarning("There are unreferenced vertices"); - } - - // texture channel 2 may not be set if channel 1 is zero ... - { - unsigned int i = 0; - for (;i < AI_MAX_NUMBER_OF_TEXTURECOORDS;++i) - { - if (!pMesh->HasTextureCoords(i))break; - } - for (;i < AI_MAX_NUMBER_OF_TEXTURECOORDS;++i) - if (pMesh->HasTextureCoords(i)) - { - ReportError("Texture coordinate channel %i exists " - "although the previous channel was NULL.",i); - } - } - // the same for the vertex colors - { - unsigned int i = 0; - for (;i < AI_MAX_NUMBER_OF_COLOR_SETS;++i) - { - if (!pMesh->HasVertexColors(i))break; - } - for (;i < AI_MAX_NUMBER_OF_COLOR_SETS;++i) - if (pMesh->HasVertexColors(i)) - { - ReportError("Vertex color channel %i is exists " - "although the previous channel was NULL.",i); - } - } - - - // now validate all bones - if (pMesh->mNumBones) - { - if (!pMesh->mBones) - { - ReportError("aiMesh::mBones is NULL (aiMesh::mNumBones is %i)", - pMesh->mNumBones); - } - std::unique_ptr<float[]> afSum(nullptr); - if (pMesh->mNumVertices) - { - afSum.reset(new float[pMesh->mNumVertices]); - for (unsigned int i = 0; i < pMesh->mNumVertices;++i) - afSum[i] = 0.0f; - } - - // check whether there are duplicate bone names - for (unsigned int i = 0; i < pMesh->mNumBones;++i) - { - const aiBone* bone = pMesh->mBones[i]; - if (bone->mNumWeights > AI_MAX_BONE_WEIGHTS) { - ReportError("Bone %u has too many weights: %u, but the limit is %u",i,bone->mNumWeights,AI_MAX_BONE_WEIGHTS); - } - - if (!pMesh->mBones[i]) - { - ReportError("aiMesh::mBones[%i] is NULL (aiMesh::mNumBones is %i)", - i,pMesh->mNumBones); - } - Validate(pMesh,pMesh->mBones[i],afSum.get()); - - for (unsigned int a = i+1; a < pMesh->mNumBones;++a) - { - if (pMesh->mBones[i]->mName == pMesh->mBones[a]->mName) - { - const char *name = "unknown"; - if (nullptr != pMesh->mBones[ i ]->mName.C_Str()) { - name = pMesh->mBones[ i ]->mName.C_Str(); - } - ReportError("aiMesh::mBones[%i], name = \"%s\" has the same name as " - "aiMesh::mBones[%i]", i, name, a ); - } - } - } - // check whether all bone weights for a vertex sum to 1.0 ... - for (unsigned int i = 0; i < pMesh->mNumVertices;++i) - { - if (afSum[i] && (afSum[i] <= 0.94 || afSum[i] >= 1.05)) { - ReportWarning("aiMesh::mVertices[%i]: bone weight sum != 1.0 (sum is %f)",i,afSum[i]); - } - } - } - else if (pMesh->mBones) - { - ReportError("aiMesh::mBones is non-null although there are no bones"); - } -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiMesh* pMesh, const aiBone* pBone,float* afSum) { - this->Validate(&pBone->mName); - - if (!pBone->mNumWeights) { - //ReportError("aiBone::mNumWeights is zero"); - } - - // check whether all vertices affected by this bone are valid - for (unsigned int i = 0; i < pBone->mNumWeights;++i) - { - if (pBone->mWeights[i].mVertexId >= pMesh->mNumVertices) { - ReportError("aiBone::mWeights[%i].mVertexId is out of range",i); - } - else if (!pBone->mWeights[i].mWeight || pBone->mWeights[i].mWeight > 1.0f) { - ReportWarning("aiBone::mWeights[%i].mWeight has an invalid value",i); - } - afSum[pBone->mWeights[i].mVertexId] += pBone->mWeights[i].mWeight; - } -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiAnimation* pAnimation) -{ - Validate(&pAnimation->mName); - - // validate all animations - if (pAnimation->mNumChannels || pAnimation->mNumMorphMeshChannels) - { - if (!pAnimation->mChannels && pAnimation->mNumChannels) { - ReportError("aiAnimation::mChannels is NULL (aiAnimation::mNumChannels is %i)", - pAnimation->mNumChannels); - } - if (!pAnimation->mMorphMeshChannels && pAnimation->mNumMorphMeshChannels) { - ReportError("aiAnimation::mMorphMeshChannels is NULL (aiAnimation::mNumMorphMeshChannels is %i)", - pAnimation->mNumMorphMeshChannels); - } - for (unsigned int i = 0; i < pAnimation->mNumChannels;++i) - { - if (!pAnimation->mChannels[i]) - { - ReportError("aiAnimation::mChannels[%i] is NULL (aiAnimation::mNumChannels is %i)", - i, pAnimation->mNumChannels); - } - Validate(pAnimation, pAnimation->mChannels[i]); - } - for (unsigned int i = 0; i < pAnimation->mNumMorphMeshChannels;++i) - { - if (!pAnimation->mMorphMeshChannels[i]) - { - ReportError("aiAnimation::mMorphMeshChannels[%i] is NULL (aiAnimation::mNumMorphMeshChannels is %i)", - i, pAnimation->mNumMorphMeshChannels); - } - Validate(pAnimation, pAnimation->mMorphMeshChannels[i]); - } - } - else { - ReportError("aiAnimation::mNumChannels is 0. At least one node animation channel must be there."); - } -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::SearchForInvalidTextures(const aiMaterial* pMaterial, - aiTextureType type) -{ - const char* szType = TextureTypeToString(type); - - // **************************************************************************** - // Search all keys of the material ... - // textures must be specified with ascending indices - // (e.g. diffuse #2 may not be specified if diffuse #1 is not there ...) - // **************************************************************************** - - int iNumIndices = 0; - int iIndex = -1; - for (unsigned int i = 0; i < pMaterial->mNumProperties;++i) { - aiMaterialProperty* prop = pMaterial->mProperties[ i ]; - ai_assert(nullptr != prop); - if ( !::strcmp(prop->mKey.data,"$tex.file") && prop->mSemantic == static_cast<unsigned int>(type)) { - iIndex = std::max(iIndex, (int) prop->mIndex); - ++iNumIndices; - - if (aiPTI_String != prop->mType) { - ReportError("Material property %s is expected to be a string", prop->mKey.data); - } - } - } - if (iIndex +1 != iNumIndices) { - ReportError("%s #%i is set, but there are only %i %s textures", - szType,iIndex,iNumIndices,szType); - } - if (!iNumIndices)return; - std::vector<aiTextureMapping> mappings(iNumIndices); - - // Now check whether all UV indices are valid ... - bool bNoSpecified = true; - for (unsigned int i = 0; i < pMaterial->mNumProperties;++i) - { - aiMaterialProperty* prop = pMaterial->mProperties[i]; - if (prop->mSemantic != type)continue; - - if ((int)prop->mIndex >= iNumIndices) - { - ReportError("Found texture property with index %i, although there " - "are only %i textures of type %s", - prop->mIndex, iNumIndices, szType); - } - - if (!::strcmp(prop->mKey.data,"$tex.mapping")) { - if (aiPTI_Integer != prop->mType || prop->mDataLength < sizeof(aiTextureMapping)) - { - ReportError("Material property %s%i is expected to be an integer (size is %i)", - prop->mKey.data,prop->mIndex,prop->mDataLength); - } - mappings[prop->mIndex] = *((aiTextureMapping*)prop->mData); - } - else if (!::strcmp(prop->mKey.data,"$tex.uvtrafo")) { - if (aiPTI_Float != prop->mType || prop->mDataLength < sizeof(aiUVTransform)) - { - ReportError("Material property %s%i is expected to be 5 floats large (size is %i)", - prop->mKey.data,prop->mIndex, prop->mDataLength); - } - mappings[prop->mIndex] = *((aiTextureMapping*)prop->mData); - } - else if (!::strcmp(prop->mKey.data,"$tex.uvwsrc")) { - if (aiPTI_Integer != prop->mType || sizeof(int) > prop->mDataLength) - { - ReportError("Material property %s%i is expected to be an integer (size is %i)", - prop->mKey.data,prop->mIndex,prop->mDataLength); - } - bNoSpecified = false; - - // Ignore UV indices for texture channels that are not there ... - - // Get the value - iIndex = *((unsigned int*)prop->mData); - - // Check whether there is a mesh using this material - // which has not enough UV channels ... - for (unsigned int a = 0; a < mScene->mNumMeshes;++a) - { - aiMesh* mesh = this->mScene->mMeshes[a]; - if(mesh->mMaterialIndex == (unsigned int)i) - { - int iChannels = 0; - while (mesh->HasTextureCoords(iChannels))++iChannels; - if (iIndex >= iChannels) - { - ReportWarning("Invalid UV index: %i (key %s). Mesh %i has only %i UV channels", - iIndex,prop->mKey.data,a,iChannels); - } - } - } - } - } - if (bNoSpecified) - { - // Assume that all textures are using the first UV channel - for (unsigned int a = 0; a < mScene->mNumMeshes;++a) - { - aiMesh* mesh = mScene->mMeshes[a]; - if(mesh->mMaterialIndex == (unsigned int)iIndex && mappings[0] == aiTextureMapping_UV) - { - if (!mesh->mTextureCoords[0]) - { - // This is a special case ... it could be that the - // original mesh format intended the use of a special - // mapping here. - ReportWarning("UV-mapped texture, but there are no UV coords"); - } - } - } - } -} -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiMaterial* pMaterial) -{ - // check whether there are material keys that are obviously not legal - for (unsigned int i = 0; i < pMaterial->mNumProperties;++i) - { - const aiMaterialProperty* prop = pMaterial->mProperties[i]; - if (!prop) { - ReportError("aiMaterial::mProperties[%i] is NULL (aiMaterial::mNumProperties is %i)", - i,pMaterial->mNumProperties); - } - if (!prop->mDataLength || !prop->mData) { - ReportError("aiMaterial::mProperties[%i].mDataLength or " - "aiMaterial::mProperties[%i].mData is 0",i,i); - } - // check all predefined types - if (aiPTI_String == prop->mType) { - // FIX: strings are now stored in a less expensive way, but we can't use the - // validation routine for 'normal' aiStrings - if (prop->mDataLength < 5 || prop->mDataLength < 4 + (*reinterpret_cast<uint32_t*>(prop->mData)) + 1) { - ReportError("aiMaterial::mProperties[%i].mDataLength is " - "too small to contain a string (%i, needed: %i)", - i,prop->mDataLength,static_cast<int>(sizeof(aiString))); - } - if(prop->mData[prop->mDataLength-1]) { - ReportError("Missing null-terminator in string material property"); - } - // Validate((const aiString*)prop->mData); - } - else if (aiPTI_Float == prop->mType) { - if (prop->mDataLength < sizeof(float)) { - ReportError("aiMaterial::mProperties[%i].mDataLength is " - "too small to contain a float (%i, needed: %i)", - i,prop->mDataLength, static_cast<int>(sizeof(float))); - } - } - else if (aiPTI_Integer == prop->mType) { - if (prop->mDataLength < sizeof(int)) { - ReportError("aiMaterial::mProperties[%i].mDataLength is " - "too small to contain an integer (%i, needed: %i)", - i,prop->mDataLength, static_cast<int>(sizeof(int))); - } - } - // TODO: check whether there is a key with an unknown name ... - } - - // make some more specific tests - ai_real fTemp; - int iShading; - if (AI_SUCCESS == aiGetMaterialInteger( pMaterial,AI_MATKEY_SHADING_MODEL,&iShading)) { - switch ((aiShadingMode)iShading) - { - case aiShadingMode_Blinn: - case aiShadingMode_CookTorrance: - case aiShadingMode_Phong: - - if (AI_SUCCESS != aiGetMaterialFloat(pMaterial,AI_MATKEY_SHININESS,&fTemp)) { - ReportWarning("A specular shading model is specified but there is no " - "AI_MATKEY_SHININESS key"); - } - if (AI_SUCCESS == aiGetMaterialFloat(pMaterial,AI_MATKEY_SHININESS_STRENGTH,&fTemp) && !fTemp) { - ReportWarning("A specular shading model is specified but the value of the " - "AI_MATKEY_SHININESS_STRENGTH key is 0.0"); - } - break; - default: - break; - } - } - - if (AI_SUCCESS == aiGetMaterialFloat( pMaterial,AI_MATKEY_OPACITY,&fTemp) && (!fTemp || fTemp > 1.01)) { - ReportWarning("Invalid opacity value (must be 0 < opacity < 1.0)"); - } - - // Check whether there are invalid texture keys - // TODO: that's a relict of the past, where texture type and index were baked - // into the material string ... we could do that in one single pass. - SearchForInvalidTextures(pMaterial,aiTextureType_DIFFUSE); - SearchForInvalidTextures(pMaterial,aiTextureType_SPECULAR); - SearchForInvalidTextures(pMaterial,aiTextureType_AMBIENT); - SearchForInvalidTextures(pMaterial,aiTextureType_EMISSIVE); - SearchForInvalidTextures(pMaterial,aiTextureType_OPACITY); - SearchForInvalidTextures(pMaterial,aiTextureType_SHININESS); - SearchForInvalidTextures(pMaterial,aiTextureType_HEIGHT); - SearchForInvalidTextures(pMaterial,aiTextureType_NORMALS); - SearchForInvalidTextures(pMaterial,aiTextureType_DISPLACEMENT); - SearchForInvalidTextures(pMaterial,aiTextureType_LIGHTMAP); - SearchForInvalidTextures(pMaterial,aiTextureType_REFLECTION); -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiTexture* pTexture) -{ - // the data section may NEVER be NULL - if (!pTexture->pcData) { - ReportError("aiTexture::pcData is NULL"); - } - if (pTexture->mHeight) - { - if (!pTexture->mWidth){ - ReportError("aiTexture::mWidth is zero (aiTexture::mHeight is %i, uncompressed texture)", - pTexture->mHeight); - } - } - else - { - if (!pTexture->mWidth) { - ReportError("aiTexture::mWidth is zero (compressed texture)"); - } - if ('\0' != pTexture->achFormatHint[3]) { - ReportWarning("aiTexture::achFormatHint must be zero-terminated"); - } - else if ('.' == pTexture->achFormatHint[0]) { - ReportWarning("aiTexture::achFormatHint should contain a file extension " - "without a leading dot (format hint: %s).",pTexture->achFormatHint); - } - } - - const char* sz = pTexture->achFormatHint; - if ((sz[0] >= 'A' && sz[0] <= 'Z') || - (sz[1] >= 'A' && sz[1] <= 'Z') || - (sz[2] >= 'A' && sz[2] <= 'Z') || - (sz[3] >= 'A' && sz[3] <= 'Z')) { - ReportError("aiTexture::achFormatHint contains non-lowercase letters"); - } -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiAnimation* pAnimation, - const aiNodeAnim* pNodeAnim) -{ - Validate(&pNodeAnim->mNodeName); - - if (!pNodeAnim->mNumPositionKeys && !pNodeAnim->mScalingKeys && !pNodeAnim->mNumRotationKeys) { - ReportError("Empty node animation channel"); - } - // otherwise check whether one of the keys exceeds the total duration of the animation - if (pNodeAnim->mNumPositionKeys) - { - if (!pNodeAnim->mPositionKeys) - { - ReportError("aiNodeAnim::mPositionKeys is NULL (aiNodeAnim::mNumPositionKeys is %i)", - pNodeAnim->mNumPositionKeys); - } - double dLast = -10e10; - for (unsigned int i = 0; i < pNodeAnim->mNumPositionKeys;++i) - { - // ScenePreprocessor will compute the duration if still the default value - // (Aramis) Add small epsilon, comparison tended to fail if max_time == duration, - // seems to be due the compilers register usage/width. - if (pAnimation->mDuration > 0. && pNodeAnim->mPositionKeys[i].mTime > pAnimation->mDuration+0.001) - { - ReportError("aiNodeAnim::mPositionKeys[%i].mTime (%.5f) is larger " - "than aiAnimation::mDuration (which is %.5f)",i, - (float)pNodeAnim->mPositionKeys[i].mTime, - (float)pAnimation->mDuration); - } - if (i && pNodeAnim->mPositionKeys[i].mTime <= dLast) - { - ReportWarning("aiNodeAnim::mPositionKeys[%i].mTime (%.5f) is smaller " - "than aiAnimation::mPositionKeys[%i] (which is %.5f)",i, - (float)pNodeAnim->mPositionKeys[i].mTime, - i-1, (float)dLast); - } - dLast = pNodeAnim->mPositionKeys[i].mTime; - } - } - // rotation keys - if (pNodeAnim->mNumRotationKeys) - { - if (!pNodeAnim->mRotationKeys) - { - ReportError("aiNodeAnim::mRotationKeys is NULL (aiNodeAnim::mNumRotationKeys is %i)", - pNodeAnim->mNumRotationKeys); - } - double dLast = -10e10; - for (unsigned int i = 0; i < pNodeAnim->mNumRotationKeys;++i) - { - if (pAnimation->mDuration > 0. && pNodeAnim->mRotationKeys[i].mTime > pAnimation->mDuration+0.001) - { - ReportError("aiNodeAnim::mRotationKeys[%i].mTime (%.5f) is larger " - "than aiAnimation::mDuration (which is %.5f)",i, - (float)pNodeAnim->mRotationKeys[i].mTime, - (float)pAnimation->mDuration); - } - if (i && pNodeAnim->mRotationKeys[i].mTime <= dLast) - { - ReportWarning("aiNodeAnim::mRotationKeys[%i].mTime (%.5f) is smaller " - "than aiAnimation::mRotationKeys[%i] (which is %.5f)",i, - (float)pNodeAnim->mRotationKeys[i].mTime, - i-1, (float)dLast); - } - dLast = pNodeAnim->mRotationKeys[i].mTime; - } - } - // scaling keys - if (pNodeAnim->mNumScalingKeys) - { - if (!pNodeAnim->mScalingKeys) { - ReportError("aiNodeAnim::mScalingKeys is NULL (aiNodeAnim::mNumScalingKeys is %i)", - pNodeAnim->mNumScalingKeys); - } - double dLast = -10e10; - for (unsigned int i = 0; i < pNodeAnim->mNumScalingKeys;++i) - { - if (pAnimation->mDuration > 0. && pNodeAnim->mScalingKeys[i].mTime > pAnimation->mDuration+0.001) - { - ReportError("aiNodeAnim::mScalingKeys[%i].mTime (%.5f) is larger " - "than aiAnimation::mDuration (which is %.5f)",i, - (float)pNodeAnim->mScalingKeys[i].mTime, - (float)pAnimation->mDuration); - } - if (i && pNodeAnim->mScalingKeys[i].mTime <= dLast) - { - ReportWarning("aiNodeAnim::mScalingKeys[%i].mTime (%.5f) is smaller " - "than aiAnimation::mScalingKeys[%i] (which is %.5f)",i, - (float)pNodeAnim->mScalingKeys[i].mTime, - i-1, (float)dLast); - } - dLast = pNodeAnim->mScalingKeys[i].mTime; - } - } - - if (!pNodeAnim->mNumScalingKeys && !pNodeAnim->mNumRotationKeys && - !pNodeAnim->mNumPositionKeys) - { - ReportError("A node animation channel must have at least one subtrack"); - } -} - -void ValidateDSProcess::Validate( const aiAnimation* pAnimation, - const aiMeshMorphAnim* pMeshMorphAnim) -{ - Validate(&pMeshMorphAnim->mName); - - if (!pMeshMorphAnim->mNumKeys) { - ReportError("Empty mesh morph animation channel"); - } - - // otherwise check whether one of the keys exceeds the total duration of the animation - if (pMeshMorphAnim->mNumKeys) - { - if (!pMeshMorphAnim->mKeys) - { - ReportError("aiMeshMorphAnim::mKeys is NULL (aiMeshMorphAnim::mNumKeys is %i)", - pMeshMorphAnim->mNumKeys); - } - double dLast = -10e10; - for (unsigned int i = 0; i < pMeshMorphAnim->mNumKeys;++i) - { - // ScenePreprocessor will compute the duration if still the default value - // (Aramis) Add small epsilon, comparison tended to fail if max_time == duration, - // seems to be due the compilers register usage/width. - if (pAnimation->mDuration > 0. && pMeshMorphAnim->mKeys[i].mTime > pAnimation->mDuration+0.001) - { - ReportError("aiMeshMorphAnim::mKeys[%i].mTime (%.5f) is larger " - "than aiAnimation::mDuration (which is %.5f)",i, - (float)pMeshMorphAnim->mKeys[i].mTime, - (float)pAnimation->mDuration); - } - if (i && pMeshMorphAnim->mKeys[i].mTime <= dLast) - { - ReportWarning("aiMeshMorphAnim::mKeys[%i].mTime (%.5f) is smaller " - "than aiMeshMorphAnim::mKeys[%i] (which is %.5f)",i, - (float)pMeshMorphAnim->mKeys[i].mTime, - i-1, (float)dLast); - } - dLast = pMeshMorphAnim->mKeys[i].mTime; - } - } -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiNode* pNode) -{ - if (!pNode) { - ReportError("A node of the scenegraph is NULL"); - } - // Validate node name string first so that it's safe to use in below expressions - this->Validate(&pNode->mName); - const char* nodeName = (&pNode->mName)->C_Str(); - if (pNode != mScene->mRootNode && !pNode->mParent){ - ReportError("Non-root node %s lacks a valid parent (aiNode::mParent is NULL) ", nodeName); - } - - // validate all meshes - if (pNode->mNumMeshes) - { - if (!pNode->mMeshes) - { - ReportError("aiNode::mMeshes is NULL for node %s (aiNode::mNumMeshes is %i)", - nodeName, pNode->mNumMeshes); - } - std::vector<bool> abHadMesh; - abHadMesh.resize(mScene->mNumMeshes,false); - for (unsigned int i = 0; i < pNode->mNumMeshes;++i) - { - if (pNode->mMeshes[i] >= mScene->mNumMeshes) - { - ReportError("aiNode::mMeshes[%i] is out of range for node %s (maximum is %i)", - pNode->mMeshes[i], nodeName, mScene->mNumMeshes-1); - } - if (abHadMesh[pNode->mMeshes[i]]) - { - ReportError("aiNode::mMeshes[%i] is already referenced by this node %s (value: %i)", - i, nodeName, pNode->mMeshes[i]); - } - abHadMesh[pNode->mMeshes[i]] = true; - } - } - if (pNode->mNumChildren) - { - if (!pNode->mChildren) { - ReportError("aiNode::mChildren is NULL for node %s (aiNode::mNumChildren is %i)", - nodeName, pNode->mNumChildren); - } - for (unsigned int i = 0; i < pNode->mNumChildren;++i) { - Validate(pNode->mChildren[i]); - } - } -} - -// ------------------------------------------------------------------------------------------------ -void ValidateDSProcess::Validate( const aiString* pString) -{ - if (pString->length > MAXLEN) - { - ReportError("aiString::length is too large (%u, maximum is %lu)", - pString->length,MAXLEN); - } - const char* sz = pString->data; - while (true) - { - if ('\0' == *sz) - { - if (pString->length != (unsigned int)(sz-pString->data)) { - ReportError("aiString::data is invalid: the terminal zero is at a wrong offset"); - } - break; - } - else if (sz >= &pString->data[MAXLEN]) { - ReportError("aiString::data is invalid. There is no terminal character"); - } - ++sz; - } -} |