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Diffstat (limited to 'src/3rdparty/assimp/code/AMFImporter_Geometry.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/AMFImporter_Geometry.cpp | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/src/3rdparty/assimp/code/AMFImporter_Geometry.cpp b/src/3rdparty/assimp/code/AMFImporter_Geometry.cpp new file mode 100644 index 000000000..afba3f2bc --- /dev/null +++ b/src/3rdparty/assimp/code/AMFImporter_Geometry.cpp @@ -0,0 +1,356 @@ +/* +--------------------------------------------------------------------------- +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_Geometry.cpp +/// \brief Parsing data from geometry nodes. +/// \date 2016 +/// \author smal.root@gmail.com + +#ifndef ASSIMP_BUILD_NO_AMF_IMPORTER + +#include "AMFImporter.hpp" +#include "AMFImporter_Macro.hpp" + +namespace Assimp +{ + +// <mesh> +// </mesh> +// A 3D mesh hull. +// Multi elements - Yes. +// Parent element - <object>. +void AMFImporter::ParseNode_Mesh() +{ +CAMFImporter_NodeElement* ne; + + // create new mesh object. + ne = new CAMFImporter_NodeElement_Mesh(mNodeElement_Cur); + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool vert_read = false; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("mesh"); + if(XML_CheckNode_NameEqual("vertices")) + { + // Check if data already defined. + if(vert_read) Throw_MoreThanOnceDefined("vertices", "Only one vertices set can be defined for <mesh>."); + // read data and set flag about it + ParseNode_Vertices(); + vert_read = true; + + continue; + } + + if(XML_CheckNode_NameEqual("volume")) { ParseNode_Volume(); continue; } + MACRO_NODECHECK_LOOPEND("mesh"); + 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. +} + +// <vertices> +// </vertices> +// The list of vertices to be used in defining triangles. +// Multi elements - No. +// Parent element - <mesh>. +void AMFImporter::ParseNode_Vertices() +{ +CAMFImporter_NodeElement* ne; + + // create new mesh object. + ne = new CAMFImporter_NodeElement_Vertices(mNodeElement_Cur); + // Check for child nodes + if(!mReader->isEmptyElement()) + { + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("vertices"); + if(XML_CheckNode_NameEqual("vertex")) { ParseNode_Vertex(); continue; } + MACRO_NODECHECK_LOOPEND("vertices"); + 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. +} + +// <vertex> +// </vertex> +// A vertex to be referenced in triangles. +// Multi elements - Yes. +// Parent element - <vertices>. +void AMFImporter::ParseNode_Vertex() +{ +CAMFImporter_NodeElement* ne; + + // create new mesh object. + ne = new CAMFImporter_NodeElement_Vertex(mNodeElement_Cur); + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool col_read = false; + bool coord_read = false; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("vertex"); + if(XML_CheckNode_NameEqual("color")) + { + // Check if data already defined. + if(col_read) Throw_MoreThanOnceDefined("color", "Only one color can be defined for <vertex>."); + // read data and set flag about it + ParseNode_Color(); + col_read = true; + + continue; + } + + if(XML_CheckNode_NameEqual("coordinates")) + { + // Check if data already defined. + if(coord_read) Throw_MoreThanOnceDefined("coordinates", "Only one coordinates set can be defined for <vertex>."); + // read data and set flag about it + ParseNode_Coordinates(); + coord_read = true; + + continue; + } + + if(XML_CheckNode_NameEqual("metadata")) { ParseNode_Metadata(); continue; } + MACRO_NODECHECK_LOOPEND("vertex"); + 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. +} + +// <coordinates> +// </coordinates> +// Specifies the 3D location of this vertex. +// Multi elements - No. +// Parent element - <vertex>. +// +// Children elements: +// <x>, <y>, <z> +// Multi elements - No. +// X, Y, or Z coordinate, respectively, of a vertex position in space. +void AMFImporter::ParseNode_Coordinates() +{ +CAMFImporter_NodeElement* ne; + + // create new color object. + ne = new CAMFImporter_NodeElement_Coordinates(mNodeElement_Cur); + + CAMFImporter_NodeElement_Coordinates& als = *((CAMFImporter_NodeElement_Coordinates*)ne);// alias for convenience + + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool read_flag[3] = { false, false, false }; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("coordinates"); + MACRO_NODECHECK_READCOMP_F("x", read_flag[0], als.Coordinate.x); + MACRO_NODECHECK_READCOMP_F("y", read_flag[1], als.Coordinate.y); + MACRO_NODECHECK_READCOMP_F("z", read_flag[2], als.Coordinate.z); + MACRO_NODECHECK_LOOPEND("coordinates"); + ParseHelper_Node_Exit(); + // check that all components was defined + if((read_flag[0] && read_flag[1] && read_flag[2]) == 0) throw DeadlyImportError("Not all coordinate's components are defined."); + + }// 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. +} + +// <volume +// materialid="" - Which material to use. +// type="" - What this volume describes can be “region” or “support”. If none specified, “object” is assumed. If support, then the geometric +// requirements 1-8 listed in section 5 do not need to be maintained. +// > +// </volume> +// Defines a volume from the established vertex list. +// Multi elements - Yes. +// Parent element - <mesh>. +void AMFImporter::ParseNode_Volume() +{ +std::string materialid; +std::string type; +CAMFImporter_NodeElement* ne; + + // Read attributes for node <color>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("materialid", materialid, mReader->getAttributeValue); + MACRO_ATTRREAD_CHECK_RET("type", type, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + + // create new object. + ne = new CAMFImporter_NodeElement_Volume(mNodeElement_Cur); + // and assign read data + ((CAMFImporter_NodeElement_Volume*)ne)->MaterialID = materialid; + ((CAMFImporter_NodeElement_Volume*)ne)->Type = type; + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool col_read = false; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("volume"); + if(XML_CheckNode_NameEqual("color")) + { + // Check if data already defined. + if(col_read) Throw_MoreThanOnceDefined("color", "Only one color can be defined for <volume>."); + // read data and set flag about it + ParseNode_Color(); + col_read = true; + + continue; + } + + if(XML_CheckNode_NameEqual("triangle")) { ParseNode_Triangle(); continue; } + if(XML_CheckNode_NameEqual("metadata")) { ParseNode_Metadata(); continue; } + MACRO_NODECHECK_LOOPEND("volume"); + 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. +} + +// <triangle> +// </triangle> +// Defines a 3D triangle from three vertices, according to the right-hand rule (counter-clockwise when looking from the outside). +// Multi elements - Yes. +// Parent element - <volume>. +// +// Children elements: +// <v1>, <v2>, <v3> +// Multi elements - No. +// Index of the desired vertices in a triangle or edge. +void AMFImporter::ParseNode_Triangle() +{ +CAMFImporter_NodeElement* ne; + + // create new color object. + ne = new CAMFImporter_NodeElement_Triangle(mNodeElement_Cur); + + CAMFImporter_NodeElement_Triangle& als = *((CAMFImporter_NodeElement_Triangle*)ne);// alias for convenience + + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool col_read = false, tex_read = false; + bool read_flag[3] = { false, false, false }; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("triangle"); + if(XML_CheckNode_NameEqual("color")) + { + // Check if data already defined. + if(col_read) Throw_MoreThanOnceDefined("color", "Only one color can be defined for <triangle>."); + // read data and set flag about it + ParseNode_Color(); + col_read = true; + + continue; + } + + if(XML_CheckNode_NameEqual("texmap"))// new name of node: "texmap". + { + // Check if data already defined. + if(tex_read) Throw_MoreThanOnceDefined("texmap", "Only one texture coordinate can be defined for <triangle>."); + // read data and set flag about it + ParseNode_TexMap(); + tex_read = true; + + continue; + } + else if(XML_CheckNode_NameEqual("map"))// old name of node: "map". + { + // Check if data already defined. + if(tex_read) Throw_MoreThanOnceDefined("map", "Only one texture coordinate can be defined for <triangle>."); + // read data and set flag about it + ParseNode_TexMap(true); + tex_read = true; + + continue; + } + + MACRO_NODECHECK_READCOMP_U32("v1", read_flag[0], als.V[0]); + MACRO_NODECHECK_READCOMP_U32("v2", read_flag[1], als.V[1]); + MACRO_NODECHECK_READCOMP_U32("v3", read_flag[2], als.V[2]); + MACRO_NODECHECK_LOOPEND("triangle"); + ParseHelper_Node_Exit(); + // check that all components was defined + if((read_flag[0] && read_flag[1] && read_flag[2]) == 0) throw DeadlyImportError("Not all vertices of the triangle are defined."); + + }// 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. +} + +}// namespace Assimp + +#endif // !ASSIMP_BUILD_NO_AMF_IMPORTER |