diff --git a/code/AssetLib/Ply/PlyLoader.cpp b/code/AssetLib/Ply/PlyLoader.cpp index 0c2463f24..b211818df 100644 --- a/code/AssetLib/Ply/PlyLoader.cpp +++ b/code/AssetLib/Ply/PlyLoader.cpp @@ -81,6 +81,27 @@ namespace { return props[idx]; } + + // ------------------------------------------------------------------------------------------------ + static bool isBigEndian(const char *szMe) { + ai_assert(nullptr != szMe); + + // binary_little_endian + // binary_big_endian + bool isBigEndian{ false }; +#if (defined AI_BUILD_BIG_ENDIAN) + if ('l' == *szMe || 'L' == *szMe) { + isBigEndian = true; + } +#else + if ('b' == *szMe || 'B' == *szMe) { + isBigEndian = true; + } +#endif // ! AI_BUILD_BIG_ENDIAN + + return isBigEndian; + } + } // namespace // ------------------------------------------------------------------------------------------------ @@ -92,6 +113,11 @@ PLYImporter::PLYImporter() : // empty } +// ------------------------------------------------------------------------------------------------ +PLYImporter::~PLYImporter() { + delete mGeneratedMesh; +} + // ------------------------------------------------------------------------------------------------ // Returns whether the class can handle the format of the given file. bool PLYImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const { @@ -104,26 +130,6 @@ const aiImporterDesc *PLYImporter::GetInfo() const { return &desc; } -// ------------------------------------------------------------------------------------------------ -static bool isBigEndian(const char *szMe) { - ai_assert(nullptr != szMe); - - // binary_little_endian - // binary_big_endian - bool isBigEndian(false); -#if (defined AI_BUILD_BIG_ENDIAN) - if ('l' == *szMe || 'L' == *szMe) { - isBigEndian = true; - } -#else - if ('b' == *szMe || 'B' == *szMe) { - isBigEndian = true; - } -#endif // ! AI_BUILD_BIG_ENDIAN - - return isBigEndian; -} - // ------------------------------------------------------------------------------------------------ // Imports the given file into the given scene structure. void PLYImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) { @@ -134,7 +140,7 @@ void PLYImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy } // Get the file-size - const size_t fileSize(fileStream->FileSize()); + const size_t fileSize = fileStream->FileSize(); if (0 == fileSize) { throw DeadlyImportError("File ", pFile, " is empty."); } @@ -180,7 +186,7 @@ void PLYImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy } } else if (!::strncmp(szMe, "binary_", 7)) { szMe += 7; - const bool bIsBE(isBigEndian(szMe)); + const bool bIsBE = isBigEndian(szMe); // skip the line, parse the rest of the header and build the DOM if (!PLY::DOM::ParseInstanceBinary(streamedBuffer, &sPlyDom, this, bIsBE)) { @@ -241,7 +247,9 @@ void PLYImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy // fill the mesh list pScene->mNumMeshes = 1; pScene->mMeshes = new aiMesh *[pScene->mNumMeshes]; - pScene->mMeshes[0] = mGeneratedMesh; + pScene->mMeshes[0] = mGeneratedMesh; + + // Move the mesh ownership into the scene instance mGeneratedMesh = nullptr; // generate a simple node structure @@ -254,20 +262,22 @@ void PLYImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy } } +static constexpr ai_uint NotSet = 0xFFFFFFFF; + void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementInstance *instElement, unsigned int pos) { ai_assert(nullptr != pcElement); ai_assert(nullptr != instElement); - ai_uint aiPositions[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; + ai_uint aiPositions[3] = { NotSet, NotSet, NotSet }; PLY::EDataType aiTypes[3] = { EDT_Char, EDT_Char, EDT_Char }; - ai_uint aiNormal[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; + ai_uint aiNormal[3] = { NotSet, NotSet, NotSet }; PLY::EDataType aiNormalTypes[3] = { EDT_Char, EDT_Char, EDT_Char }; - unsigned int aiColors[4] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; + unsigned int aiColors[4] = { NotSet, NotSet, NotSet, NotSet }; PLY::EDataType aiColorsTypes[4] = { EDT_Char, EDT_Char, EDT_Char, EDT_Char }; - unsigned int aiTexcoord[2] = { 0xFFFFFFFF, 0xFFFFFFFF }; + unsigned int aiTexcoord[2] = { NotSet, NotSet }; PLY::EDataType aiTexcoordTypes[2] = { EDT_Char, EDT_Char }; // now check whether which normal components are available @@ -337,17 +347,17 @@ void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementIn if (0 != cnt) { // Position aiVector3D vOut; - if (0xFFFFFFFF != aiPositions[0]) { + if (NotSet != aiPositions[0]) { vOut.x = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiPositions[0]).avList.front(), aiTypes[0]); } - if (0xFFFFFFFF != aiPositions[1]) { + if (NotSet != aiPositions[1]) { vOut.y = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiPositions[1]).avList.front(), aiTypes[1]); } - if (0xFFFFFFFF != aiPositions[2]) { + if (NotSet != aiPositions[2]) { vOut.z = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiPositions[2]).avList.front(), aiTypes[2]); } @@ -355,19 +365,19 @@ void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementIn // Normals aiVector3D nOut; bool haveNormal = false; - if (0xFFFFFFFF != aiNormal[0]) { + if (NotSet != aiNormal[0]) { nOut.x = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiNormal[0]).avList.front(), aiNormalTypes[0]); haveNormal = true; } - if (0xFFFFFFFF != aiNormal[1]) { + if (NotSet != aiNormal[1]) { nOut.y = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiNormal[1]).avList.front(), aiNormalTypes[1]); haveNormal = true; } - if (0xFFFFFFFF != aiNormal[2]) { + if (NotSet != aiNormal[2]) { nOut.z = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiNormal[2]).avList.front(), aiNormalTypes[2]); haveNormal = true; @@ -376,7 +386,7 @@ void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementIn // Colors aiColor4D cOut; bool haveColor = false; - if (0xFFFFFFFF != aiColors[0]) { + if (NotSet != aiColors[0]) { cOut.r = NormalizeColorValue(GetProperty(instElement->alProperties, aiColors[0]) .avList.front(), @@ -384,7 +394,7 @@ void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementIn haveColor = true; } - if (0xFFFFFFFF != aiColors[1]) { + if (NotSet != aiColors[1]) { cOut.g = NormalizeColorValue(GetProperty(instElement->alProperties, aiColors[1]) .avList.front(), @@ -392,7 +402,7 @@ void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementIn haveColor = true; } - if (0xFFFFFFFF != aiColors[2]) { + if (NotSet != aiColors[2]) { cOut.b = NormalizeColorValue(GetProperty(instElement->alProperties, aiColors[2]) .avList.front(), @@ -401,7 +411,7 @@ void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementIn } // assume 1.0 for the alpha channel if it is not set - if (0xFFFFFFFF == aiColors[3]) { + if (NotSet == aiColors[3]) { cOut.a = 1.0; } else { cOut.a = NormalizeColorValue(GetProperty(instElement->alProperties, @@ -416,13 +426,13 @@ void PLYImporter::LoadVertex(const PLY::Element *pcElement, const PLY::ElementIn aiVector3D tOut; tOut.z = 0; bool haveTextureCoords = false; - if (0xFFFFFFFF != aiTexcoord[0]) { + if (NotSet != aiTexcoord[0]) { tOut.x = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiTexcoord[0]).avList.front(), aiTexcoordTypes[0]); haveTextureCoords = true; } - if (0xFFFFFFFF != aiTexcoord[1]) { + if (NotSet != aiTexcoord[1]) { tOut.y = PLY::PropertyInstance::ConvertTo( GetProperty(instElement->alProperties, aiTexcoord[1]).avList.front(), aiTexcoordTypes[1]); haveTextureCoords = true; @@ -504,16 +514,12 @@ void PLYImporter::LoadFace(const PLY::Element *pcElement, const PLY::ElementInst bool bOne = false; // index of the vertex index list - unsigned int iProperty = 0xFFFFFFFF; + unsigned int iProperty = NotSet; PLY::EDataType eType = EDT_Char; bool bIsTriStrip = false; - // index of the material index property - // unsigned int iMaterialIndex = 0xFFFFFFFF; - // PLY::EDataType eType2 = EDT_Char; - // texture coordinates - unsigned int iTextureCoord = 0xFFFFFFFF; + unsigned int iTextureCoord = NotSet; PLY::EDataType eType3 = EDT_Char; // face = unique number of vertex indices @@ -572,7 +578,7 @@ void PLYImporter::LoadFace(const PLY::Element *pcElement, const PLY::ElementInst if (!bIsTriStrip) { // parse the list of vertex indices - if (0xFFFFFFFF != iProperty) { + if (NotSet != iProperty) { const unsigned int iNum = (unsigned int)GetProperty(instElement->alProperties, iProperty).avList.size(); mGeneratedMesh->mFaces[pos].mNumIndices = iNum; mGeneratedMesh->mFaces[pos].mIndices = new unsigned int[iNum]; @@ -585,15 +591,7 @@ void PLYImporter::LoadFace(const PLY::Element *pcElement, const PLY::ElementInst } } - // parse the material index - // cannot be handled without processing the whole file first - /*if (0xFFFFFFFF != iMaterialIndex) - { - mGeneratedMesh->mFaces[pos]. = PLY::PropertyInstance::ConvertTo( - GetProperty(instElement->alProperties, iMaterialIndex).avList.front(), eType2); - }*/ - - if (0xFFFFFFFF != iTextureCoord) { + if (NotSet != iTextureCoord) { const unsigned int iNum = (unsigned int)GetProperty(instElement->alProperties, iTextureCoord).avList.size(); // should be 6 coords @@ -679,41 +677,29 @@ void PLYImporter::GetMaterialColor(const std::vector &avL aiColor4D *clrOut) { ai_assert(nullptr != clrOut); - if (0xFFFFFFFF == aiPositions[0]) + if (NotSet == aiPositions[0]) { clrOut->r = 0.0f; - else { - clrOut->r = NormalizeColorValue(GetProperty(avList, - aiPositions[0]) - .avList.front(), - aiTypes[0]); + } else { + clrOut->r = NormalizeColorValue(GetProperty(avList, aiPositions[0]).avList.front(), aiTypes[0]); } - if (0xFFFFFFFF == aiPositions[1]) + if (NotSet == aiPositions[1]) { clrOut->g = 0.0f; - else { - clrOut->g = NormalizeColorValue(GetProperty(avList, - aiPositions[1]) - .avList.front(), - aiTypes[1]); + } else { + clrOut->g = NormalizeColorValue(GetProperty(avList, aiPositions[1]).avList.front(), aiTypes[1]); } - if (0xFFFFFFFF == aiPositions[2]) + if (NotSet == aiPositions[2]) clrOut->b = 0.0f; else { - clrOut->b = NormalizeColorValue(GetProperty(avList, - aiPositions[2]) - .avList.front(), - aiTypes[2]); + clrOut->b = NormalizeColorValue(GetProperty(avList, aiPositions[2]).avList.front(), aiTypes[2]); } // assume 1.0 for the alpha channel ifit is not set - if (0xFFFFFFFF == aiPositions[3]) + if (NotSet == aiPositions[3]) clrOut->a = 1.0f; else { - clrOut->a = NormalizeColorValue(GetProperty(avList, - aiPositions[3]) - .avList.front(), - aiTypes[3]); + clrOut->a = NormalizeColorValue(GetProperty(avList, aiPositions[3]).avList.front(), aiTypes[3]); } } diff --git a/code/AssetLib/Ply/PlyLoader.h b/code/AssetLib/Ply/PlyLoader.h index 048f40e3f..bc9f276af 100644 --- a/code/AssetLib/Ply/PlyLoader.h +++ b/code/AssetLib/Ply/PlyLoader.h @@ -62,10 +62,10 @@ using namespace PLY; // --------------------------------------------------------------------------- /** Importer class to load the stanford PLY file format */ -class PLYImporter : public BaseImporter { +class PLYImporter final : public BaseImporter { public: PLYImporter(); - ~PLYImporter() override = default; + ~PLYImporter() override; // ------------------------------------------------------------------- /** Returns whether the class can handle the format of the given file. @@ -120,13 +120,9 @@ protected: PLY::PropertyInstance::ValueUnion val, PLY::EDataType eType); - /** Buffer to hold the loaded file */ +private: unsigned char *mBuffer; - - /** Document object model representation extracted from the file */ PLY::DOM *pcDOM; - - /** Mesh generated by loader */ aiMesh *mGeneratedMesh; };