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Diffstat (limited to 'NvCloth/samples/external/assimp-4.1.0/code/AMFImporter.cpp')
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diff --git a/NvCloth/samples/external/assimp-4.1.0/code/AMFImporter.cpp b/NvCloth/samples/external/assimp-4.1.0/code/AMFImporter.cpp new file mode 100644 index 0000000..e9211fe --- /dev/null +++ b/NvCloth/samples/external/assimp-4.1.0/code/AMFImporter.cpp @@ -0,0 +1,704 @@ +/* +--------------------------------------------------------------------------- +Open Asset Import Library (assimp) +--------------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 AMFImporter.cpp +/// \brief AMF-format files importer for Assimp: main algorithm implementation. +/// \date 2016 +/// \author [email protected] + +#ifndef ASSIMP_BUILD_NO_AMF_IMPORTER + +// Header files, Assimp. +#include "AMFImporter.hpp" +#include "AMFImporter_Macro.hpp" + +#include "fast_atof.h" +#include <assimp/DefaultIOSystem.h> + +// Header files, stdlib. +#include <memory> + +namespace Assimp +{ + +/// \var aiImporterDesc AMFImporter::Description +/// Conastant which hold importer description +const aiImporterDesc AMFImporter::Description = { + "Additive manufacturing file format(AMF) Importer", + "smalcom", + "", + "See documentation in source code. Chapter: Limitations.", + aiImporterFlags_SupportTextFlavour | aiImporterFlags_LimitedSupport | aiImporterFlags_Experimental, + 0, + 0, + 0, + 0, + "amf" +}; + +void AMFImporter::Clear() +{ + mNodeElement_Cur = nullptr; + mUnit.clear(); + mMaterial_Converted.clear(); + mTexture_Converted.clear(); + // Delete all elements + if(mNodeElement_List.size()) + { + for(CAMFImporter_NodeElement* ne: mNodeElement_List) { delete ne; } + + mNodeElement_List.clear(); + } +} + +AMFImporter::~AMFImporter() +{ + if(mReader != nullptr) delete mReader; + // Clear() is accounting if data already is deleted. So, just check again if all data is deleted. + Clear(); +} + +/*********************************************************************************************************************************************/ +/************************************************************ Functions: find set ************************************************************/ +/*********************************************************************************************************************************************/ + +bool AMFImporter::Find_NodeElement(const std::string& pID, const CAMFImporter_NodeElement::EType pType, CAMFImporter_NodeElement** pNodeElement) const +{ + for(CAMFImporter_NodeElement* ne: mNodeElement_List) + { + if((ne->ID == pID) && (ne->Type == pType)) + { + if(pNodeElement != nullptr) *pNodeElement = ne; + + return true; + } + }// for(CAMFImporter_NodeElement* ne: mNodeElement_List) + + return false; +} + +bool AMFImporter::Find_ConvertedNode(const std::string& pID, std::list<aiNode*>& pNodeList, aiNode** pNode) const +{ +aiString node_name(pID.c_str()); + + for(aiNode* node: pNodeList) + { + if(node->mName == node_name) + { + if(pNode != nullptr) *pNode = node; + + return true; + } + }// for(aiNode* node: pNodeList) + + return false; +} + +bool AMFImporter::Find_ConvertedMaterial(const std::string& pID, const SPP_Material** pConvertedMaterial) const +{ + for(const SPP_Material& mat: mMaterial_Converted) + { + if(mat.ID == pID) + { + if(pConvertedMaterial != nullptr) *pConvertedMaterial = &mat; + + return true; + } + }// for(const SPP_Material& mat: mMaterial_Converted) + + return false; +} + +/*********************************************************************************************************************************************/ +/************************************************************ Functions: throw set ***********************************************************/ +/*********************************************************************************************************************************************/ + +void AMFImporter::Throw_CloseNotFound(const std::string& pNode) +{ + throw DeadlyImportError("Close tag for node <" + pNode + "> not found. Seems file is corrupt."); +} + +void AMFImporter::Throw_IncorrectAttr(const std::string& pAttrName) +{ + throw DeadlyImportError("Node <" + std::string(mReader->getNodeName()) + "> has incorrect attribute \"" + pAttrName + "\"."); +} + +void AMFImporter::Throw_IncorrectAttrValue(const std::string& pAttrName) +{ + throw DeadlyImportError("Attribute \"" + pAttrName + "\" in node <" + std::string(mReader->getNodeName()) + "> has incorrect value."); +} + +void AMFImporter::Throw_MoreThanOnceDefined(const std::string& pNodeType, const std::string& pDescription) +{ + throw DeadlyImportError("\"" + pNodeType + "\" node can be used only once in " + mReader->getNodeName() + ". Description: " + pDescription); +} + +void AMFImporter::Throw_ID_NotFound(const std::string& pID) const +{ + throw DeadlyImportError("Not found node with name \"" + pID + "\"."); +} + +/*********************************************************************************************************************************************/ +/************************************************************* Functions: XML set ************************************************************/ +/*********************************************************************************************************************************************/ + +void AMFImporter::XML_CheckNode_MustHaveChildren() +{ + if(mReader->isEmptyElement()) throw DeadlyImportError(std::string("Node <") + mReader->getNodeName() + "> must have children."); +} + +void AMFImporter::XML_CheckNode_SkipUnsupported(const std::string& pParentNodeName) +{ + static const size_t Uns_Skip_Len = 3; + const char* Uns_Skip[Uns_Skip_Len] = { "composite", "edge", "normal" }; + + static bool skipped_before[Uns_Skip_Len] = { false, false, false }; + + std::string nn(mReader->getNodeName()); + bool found = false; + bool close_found = false; + size_t sk_idx; + + for(sk_idx = 0; sk_idx < Uns_Skip_Len; sk_idx++) + { + if(nn != Uns_Skip[sk_idx]) continue; + + found = true; + if(mReader->isEmptyElement()) + { + close_found = true; + + goto casu_cres; + } + + while(mReader->read()) + { + if((mReader->getNodeType() == irr::io::EXN_ELEMENT_END) && (nn == mReader->getNodeName())) + { + close_found = true; + + goto casu_cres; + } + } + }// for(sk_idx = 0; sk_idx < Uns_Skip_Len; sk_idx++) + +casu_cres: + + if(!found) throw DeadlyImportError("Unknown node \"" + nn + "\" in " + pParentNodeName + "."); + if(!close_found) Throw_CloseNotFound(nn); + + if(!skipped_before[sk_idx]) + { + skipped_before[sk_idx] = true; + LogWarning("Skipping node \"" + nn + "\" in " + pParentNodeName + "."); + } +} + +bool AMFImporter::XML_SearchNode(const std::string& pNodeName) +{ + while(mReader->read()) + { + if((mReader->getNodeType() == irr::io::EXN_ELEMENT) && XML_CheckNode_NameEqual(pNodeName)) return true; + } + + return false; +} + +bool AMFImporter::XML_ReadNode_GetAttrVal_AsBool(const int pAttrIdx) +{ + std::string val(mReader->getAttributeValue(pAttrIdx)); + + if((val == "false") || (val == "0")) + return false; + else if((val == "true") || (val == "1")) + return true; + else + throw DeadlyImportError("Bool attribute value can contain \"false\"/\"0\" or \"true\"/\"1\" not the \"" + val + "\""); +} + +float AMFImporter::XML_ReadNode_GetAttrVal_AsFloat(const int pAttrIdx) +{ + std::string val; + float tvalf; + + ParseHelper_FixTruncatedFloatString(mReader->getAttributeValue(pAttrIdx), val); + fast_atoreal_move(val.c_str(), tvalf, false); + + return tvalf; +} + +uint32_t AMFImporter::XML_ReadNode_GetAttrVal_AsU32(const int pAttrIdx) +{ + return strtoul10(mReader->getAttributeValue(pAttrIdx)); +} + +float AMFImporter::XML_ReadNode_GetVal_AsFloat() +{ + std::string val; + float tvalf; + + if(!mReader->read()) throw DeadlyImportError("XML_ReadNode_GetVal_AsFloat. No data, seems file is corrupt."); + if(mReader->getNodeType() != irr::io::EXN_TEXT) throw DeadlyImportError("XML_ReadNode_GetVal_AsFloat. Invalid type of XML element, seems file is corrupt."); + + ParseHelper_FixTruncatedFloatString(mReader->getNodeData(), val); + fast_atoreal_move(val.c_str(), tvalf, false); + + return tvalf; +} + +uint32_t AMFImporter::XML_ReadNode_GetVal_AsU32() +{ + if(!mReader->read()) throw DeadlyImportError("XML_ReadNode_GetVal_AsU32. No data, seems file is corrupt."); + if(mReader->getNodeType() != irr::io::EXN_TEXT) throw DeadlyImportError("XML_ReadNode_GetVal_AsU32. Invalid type of XML element, seems file is corrupt."); + + return strtoul10(mReader->getNodeData()); +} + +void AMFImporter::XML_ReadNode_GetVal_AsString(std::string& pValue) +{ + if(!mReader->read()) throw DeadlyImportError("XML_ReadNode_GetVal_AsString. No data, seems file is corrupt."); + if(mReader->getNodeType() != irr::io::EXN_TEXT) + throw DeadlyImportError("XML_ReadNode_GetVal_AsString. Invalid type of XML element, seems file is corrupt."); + + pValue = mReader->getNodeData(); +} + +/*********************************************************************************************************************************************/ +/************************************************************ Functions: parse set ***********************************************************/ +/*********************************************************************************************************************************************/ + +void AMFImporter::ParseHelper_Node_Enter(CAMFImporter_NodeElement* pNode) +{ + mNodeElement_Cur->Child.push_back(pNode);// add new element to current element child list. + mNodeElement_Cur = pNode;// switch current element to new one. +} + +void AMFImporter::ParseHelper_Node_Exit() +{ + // check if we can walk up. + if(mNodeElement_Cur != nullptr) mNodeElement_Cur = mNodeElement_Cur->Parent; +} + +void AMFImporter::ParseHelper_FixTruncatedFloatString(const char* pInStr, std::string& pOutString) +{ + size_t instr_len; + + pOutString.clear(); + instr_len = strlen(pInStr); + if(!instr_len) return; + + pOutString.reserve(instr_len * 3 / 2); + // check and correct floats in format ".x". Must be "x.y". + if(pInStr[0] == '.') pOutString.push_back('0'); + + pOutString.push_back(pInStr[0]); + for(size_t ci = 1; ci < instr_len; ci++) + { + if((pInStr[ci] == '.') && ((pInStr[ci - 1] == ' ') || (pInStr[ci - 1] == '-') || (pInStr[ci - 1] == '+') || (pInStr[ci - 1] == '\t'))) + { + pOutString.push_back('0'); + pOutString.push_back('.'); + } + else + { + pOutString.push_back(pInStr[ci]); + } + } +} + +static bool ParseHelper_Decode_Base64_IsBase64(const char pChar) +{ + return (isalnum(pChar) || (pChar == '+') || (pChar == '/')); +} + +void AMFImporter::ParseHelper_Decode_Base64(const std::string& pInputBase64, std::vector<uint8_t>& pOutputData) const +{ + // With help from + // René Nyffenegger http://www.adp-gmbh.ch/cpp/common/base64.html + const std::string base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + + uint8_t tidx = 0; + uint8_t arr4[4], arr3[3]; + + // check input data + if(pInputBase64.size() % 4) throw DeadlyImportError("Base64-encoded data must have size multiply of four."); + // prepare output place + pOutputData.clear(); + pOutputData.reserve(pInputBase64.size() / 4 * 3); + + for(size_t in_len = pInputBase64.size(), in_idx = 0; (in_len > 0) && (pInputBase64[in_idx] != '='); in_len--) + { + if(ParseHelper_Decode_Base64_IsBase64(pInputBase64[in_idx])) + { + arr4[tidx++] = pInputBase64[in_idx++]; + if(tidx == 4) + { + for(tidx = 0; tidx < 4; tidx++) arr4[tidx] = (uint8_t)base64_chars.find(arr4[tidx]); + + arr3[0] = (arr4[0] << 2) + ((arr4[1] & 0x30) >> 4); + arr3[1] = ((arr4[1] & 0x0F) << 4) + ((arr4[2] & 0x3C) >> 2); + arr3[2] = ((arr4[2] & 0x03) << 6) + arr4[3]; + for(tidx = 0; tidx < 3; tidx++) pOutputData.push_back(arr3[tidx]); + + tidx = 0; + }// if(tidx == 4) + }// if(ParseHelper_Decode_Base64_IsBase64(pInputBase64[in_idx])) + else + { + in_idx++; + }// if(ParseHelper_Decode_Base64_IsBase64(pInputBase64[in_idx])) else + } + + if(tidx) + { + for(uint8_t i = tidx; i < 4; i++) arr4[i] = 0; + for(uint8_t i = 0; i < 4; i++) arr4[i] = (uint8_t)(base64_chars.find(arr4[i])); + + arr3[0] = (arr4[0] << 2) + ((arr4[1] & 0x30) >> 4); + arr3[1] = ((arr4[1] & 0x0F) << 4) + ((arr4[2] & 0x3C) >> 2); + arr3[2] = ((arr4[2] & 0x03) << 6) + arr4[3]; + for(uint8_t i = 0; i < (tidx - 1); i++) pOutputData.push_back(arr3[i]); + } +} + +void AMFImporter::ParseFile(const std::string& pFile, IOSystem* pIOHandler) +{ + irr::io::IrrXMLReader* OldReader = mReader;// store current XMLreader. + std::unique_ptr<IOStream> file(pIOHandler->Open(pFile, "rb")); + + // Check whether we can read from the file + if(file.get() == NULL) throw DeadlyImportError("Failed to open AMF file " + pFile + "."); + + // generate a XML reader for it + std::unique_ptr<CIrrXML_IOStreamReader> mIOWrapper(new CIrrXML_IOStreamReader(file.get())); + mReader = irr::io::createIrrXMLReader(mIOWrapper.get()); + if(!mReader) throw DeadlyImportError("Failed to create XML reader for file" + pFile + "."); + // + // start reading + // search for root tag <amf> + if(XML_SearchNode("amf")) + ParseNode_Root(); + else + throw DeadlyImportError("Root node \"amf\" not found."); + + delete mReader; + // restore old XMLreader + mReader = OldReader; +} + +// <amf +// unit="" - The units to be used. May be "inch", "millimeter", "meter", "feet", or "micron". +// version="" - Version of file format. +// > +// </amf> +// Root XML element. +// Multi elements - No. +void AMFImporter::ParseNode_Root() +{ + std::string unit, version; + CAMFImporter_NodeElement *ne( nullptr ); + + // Read attributes for node <amf>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("unit", unit, mReader->getAttributeValue); + MACRO_ATTRREAD_CHECK_RET("version", version, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND_WSKIP; + + // Check attributes + if(!mUnit.empty()) + { + if((mUnit != "inch") && (mUnit != "millimeter") && (mUnit != "meter") && (mUnit != "feet") && (mUnit != "micron")) Throw_IncorrectAttrValue("unit"); + } + + // create root node element. + ne = new CAMFImporter_NodeElement_Root(nullptr); + mNodeElement_Cur = ne;// set first "current" element + // and assign attribute's values + ((CAMFImporter_NodeElement_Root*)ne)->Unit = unit; + ((CAMFImporter_NodeElement_Root*)ne)->Version = version; + + // Check for child nodes + if(!mReader->isEmptyElement()) + { + MACRO_NODECHECK_LOOPBEGIN("amf"); + if(XML_CheckNode_NameEqual("object")) { ParseNode_Object(); continue; } + if(XML_CheckNode_NameEqual("material")) { ParseNode_Material(); continue; } + if(XML_CheckNode_NameEqual("texture")) { ParseNode_Texture(); continue; } + if(XML_CheckNode_NameEqual("constellation")) { ParseNode_Constellation(); continue; } + if(XML_CheckNode_NameEqual("metadata")) { ParseNode_Metadata(); continue; } + MACRO_NODECHECK_LOOPEND("amf"); + mNodeElement_Cur = ne;// force restore "current" element + }// if(!mReader->isEmptyElement()) + + mNodeElement_List.push_back(ne);// add to node element list because its a new object in graph. +} + +// <constellation +// id="" - The Object ID of the new constellation being defined. +// > +// </constellation> +// A collection of objects or constellations with specific relative locations. +// Multi elements - Yes. +// Parent element - <amf>. +void AMFImporter::ParseNode_Constellation() +{ + std::string id; + CAMFImporter_NodeElement* ne( nullptr ); + + // Read attributes for node <constellation>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("id", id, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + + // create and if needed - define new grouping object. + ne = new CAMFImporter_NodeElement_Constellation(mNodeElement_Cur); + + CAMFImporter_NodeElement_Constellation& als = *((CAMFImporter_NodeElement_Constellation*)ne);// alias for convenience + + if(!id.empty()) als.ID = id; + // Check for child nodes + if(!mReader->isEmptyElement()) + { + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("constellation"); + if(XML_CheckNode_NameEqual("instance")) { ParseNode_Instance(); continue; } + if(XML_CheckNode_NameEqual("metadata")) { ParseNode_Metadata(); continue; } + MACRO_NODECHECK_LOOPEND("constellation"); + ParseHelper_Node_Exit(); + }// if(!mReader->isEmptyElement()) + else + { + mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element + }// if(!mReader->isEmptyElement()) else + + mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph. +} + +// <instance +// objectid="" - The Object ID of the new constellation being defined. +// > +// </instance> +// A collection of objects or constellations with specific relative locations. +// Multi elements - Yes. +// Parent element - <amf>. +void AMFImporter::ParseNode_Instance() +{ + std::string objectid; + CAMFImporter_NodeElement* ne( nullptr ); + + // Read attributes for node <constellation>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("objectid", objectid, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + + // used object id must be defined, check that. + if(objectid.empty()) throw DeadlyImportError("\"objectid\" in <instance> must be defined."); + // create and define new grouping object. + ne = new CAMFImporter_NodeElement_Instance(mNodeElement_Cur); + + CAMFImporter_NodeElement_Instance& als = *((CAMFImporter_NodeElement_Instance*)ne);// alias for convenience + + als.ObjectID = objectid; + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool read_flag[6] = { false, false, false, false, false, false }; + + als.Delta.Set(0, 0, 0); + als.Rotation.Set(0, 0, 0); + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("instance"); + MACRO_NODECHECK_READCOMP_F("deltax", read_flag[0], als.Delta.x); + MACRO_NODECHECK_READCOMP_F("deltay", read_flag[1], als.Delta.y); + MACRO_NODECHECK_READCOMP_F("deltaz", read_flag[2], als.Delta.z); + MACRO_NODECHECK_READCOMP_F("rx", read_flag[3], als.Rotation.x); + MACRO_NODECHECK_READCOMP_F("ry", read_flag[4], als.Rotation.y); + MACRO_NODECHECK_READCOMP_F("rz", read_flag[5], als.Rotation.z); + MACRO_NODECHECK_LOOPEND("instance"); + ParseHelper_Node_Exit(); + // also convert degrees to radians. + als.Rotation.x = AI_MATH_PI_F * als.Rotation.x / 180.0f; + als.Rotation.y = AI_MATH_PI_F * als.Rotation.y / 180.0f; + als.Rotation.z = AI_MATH_PI_F * als.Rotation.z / 180.0f; + }// if(!mReader->isEmptyElement()) + else + { + mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element + }// if(!mReader->isEmptyElement()) else + + mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph. +} + +// <object +// id="" - A unique ObjectID for the new object being defined. +// > +// </object> +// An object definition. +// Multi elements - Yes. +// Parent element - <amf>. +void AMFImporter::ParseNode_Object() +{ + std::string id; + CAMFImporter_NodeElement* ne( nullptr ); + + // Read attributes for node <object>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("id", id, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + + // create and if needed - define new geometry object. + ne = new CAMFImporter_NodeElement_Object(mNodeElement_Cur); + + CAMFImporter_NodeElement_Object& als = *((CAMFImporter_NodeElement_Object*)ne);// alias for convenience + + if(!id.empty()) als.ID = id; + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool col_read = false; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("object"); + if(XML_CheckNode_NameEqual("color")) + { + // Check if color already defined for object. + if(col_read) Throw_MoreThanOnceDefined("color", "Only one color can be defined for <object>."); + // read data and set flag about it + ParseNode_Color(); + col_read = true; + + continue; + } + + if(XML_CheckNode_NameEqual("mesh")) { ParseNode_Mesh(); continue; } + if(XML_CheckNode_NameEqual("metadata")) { ParseNode_Metadata(); continue; } + MACRO_NODECHECK_LOOPEND("object"); + ParseHelper_Node_Exit(); + }// if(!mReader->isEmptyElement()) + else + { + mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element + }// if(!mReader->isEmptyElement()) else + + mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph. +} + +// <metadata +// type="" - The type of the attribute. +// > +// </metadata> +// Specify additional information about an entity. +// Multi elements - Yes. +// Parent element - <amf>, <object>, <volume>, <material>, <vertex>. +// +// Reserved types are: +// "Name" - The alphanumeric label of the entity, to be used by the interpreter if interacting with the user. +// "Description" - A description of the content of the entity +// "URL" - A link to an external resource relating to the entity +// "Author" - Specifies the name(s) of the author(s) of the entity +// "Company" - Specifying the company generating the entity +// "CAD" - specifies the name of the originating CAD software and version +// "Revision" - specifies the revision of the entity +// "Tolerance" - specifies the desired manufacturing tolerance of the entity in entity's unit system +// "Volume" - specifies the total volume of the entity, in the entity's unit system, to be used for verification (object and volume only) +void AMFImporter::ParseNode_Metadata() +{ + std::string type, value; + CAMFImporter_NodeElement* ne( nullptr ); + + // read attribute + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("type", type, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + // and value of node. + value = mReader->getNodeData(); + // Create node element and assign read data. + ne = new CAMFImporter_NodeElement_Metadata(mNodeElement_Cur); + ((CAMFImporter_NodeElement_Metadata*)ne)->Type = type; + ((CAMFImporter_NodeElement_Metadata*)ne)->Value = value; + mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element + mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph. +} + +/*********************************************************************************************************************************************/ +/******************************************************** Functions: BaseImporter set ********************************************************/ +/*********************************************************************************************************************************************/ + +bool AMFImporter::CanRead(const std::string& pFile, IOSystem* pIOHandler, bool pCheckSig) const +{ + const std::string extension = GetExtension(pFile); + + if ( extension == "amf" ) { + return true; + } + + if(!extension.length() || pCheckSig) + { + const char* tokens[] = { "<amf" }; + + return SearchFileHeaderForToken( pIOHandler, pFile, tokens, 1 ); + } + + return false; +} + +void AMFImporter::GetExtensionList(std::set<std::string>& pExtensionList) +{ + pExtensionList.insert("amf"); +} + +const aiImporterDesc* AMFImporter::GetInfo () const +{ + return &Description; +} + +void AMFImporter::InternReadFile(const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler) +{ + Clear();// delete old graph. + ParseFile(pFile, pIOHandler); + Postprocess_BuildScene(pScene); + // scene graph is ready, exit. +} + +}// namespace Assimp + +#endif // !ASSIMP_BUILD_NO_AMF_IMPORTER |