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Diffstat (limited to 'libs/assimp/code/AssetLib/X3D/X3DImporter.cpp')
| -rw-r--r-- | libs/assimp/code/AssetLib/X3D/X3DImporter.cpp | 488 |
1 files changed, 488 insertions, 0 deletions
diff --git a/libs/assimp/code/AssetLib/X3D/X3DImporter.cpp b/libs/assimp/code/AssetLib/X3D/X3DImporter.cpp new file mode 100644 index 0000000..b34f361 --- /dev/null +++ b/libs/assimp/code/AssetLib/X3D/X3DImporter.cpp @@ -0,0 +1,488 @@ +/* +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 X3DImporter.cpp +/// \brief X3D-format files importer for Assimp: main algorithm implementation. +/// \date 2015-2016 +/// \author smal.root@gmail.com + +#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER + +#include "X3DImporter.hpp" +#include "X3DImporter_Macro.hpp" + +#include <assimp/DefaultIOSystem.h> + +// Header files, stdlib. +#include <iterator> +#include <memory> + +namespace Assimp { + +/// Constant which holds the importer description +const aiImporterDesc X3DImporter::Description = { + "Extensible 3D(X3D) Importer", + "smalcom", + "", + "See documentation in source code. Chapter: Limitations.", + aiImporterFlags_SupportTextFlavour | aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_LimitedSupport | aiImporterFlags_Experimental, + 0, + 0, + 0, + 0, + "x3d x3db" +}; + +bool X3DImporter::isNodeEmpty(XmlNode &node) { + return node.first_child().empty(); +} + +void X3DImporter::checkNodeMustBeEmpty(XmlNode &node) { + if (!isNodeEmpty(node)) throw DeadlyImportError(std::string("Node <") + node.name() + "> must be empty."); +} + +void X3DImporter::skipUnsupportedNode(const std::string &pParentNodeName, XmlNode &node) { + static const size_t Uns_Skip_Len = 192; + static const char *Uns_Skip[Uns_Skip_Len] = { + // CAD geometry component + "CADAssembly", "CADFace", "CADLayer", "CADPart", "IndexedQuadSet", "QuadSet", + // Core + "ROUTE", "ExternProtoDeclare", "ProtoDeclare", "ProtoInstance", "ProtoInterface", "WorldInfo", + // Distributed interactive simulation (DIS) component + "DISEntityManager", "DISEntityTypeMapping", "EspduTransform", "ReceiverPdu", "SignalPdu", "TransmitterPdu", + // Cube map environmental texturing component + "ComposedCubeMapTexture", "GeneratedCubeMapTexture", "ImageCubeMapTexture", + // Environmental effects component + "Background", "Fog", "FogCoordinate", "LocalFog", "TextureBackground", + // Environmental sensor component + "ProximitySensor", "TransformSensor", "VisibilitySensor", + // Followers component + "ColorChaser", "ColorDamper", "CoordinateChaser", "CoordinateDamper", "OrientationChaser", "OrientationDamper", "PositionChaser", "PositionChaser2D", + "PositionDamper", "PositionDamper2D", "ScalarChaser", "ScalarDamper", "TexCoordChaser2D", "TexCoordDamper2D", + // Geospatial component + "GeoCoordinate", "GeoElevationGrid", "GeoLocation", "GeoLOD", "GeoMetadata", "GeoOrigin", "GeoPositionInterpolator", "GeoProximitySensor", + "GeoTouchSensor", "GeoTransform", "GeoViewpoint", + // Humanoid Animation (H-Anim) component + "HAnimDisplacer", "HAnimHumanoid", "HAnimJoint", "HAnimSegment", "HAnimSite", + // Interpolation component + "ColorInterpolator", "CoordinateInterpolator", "CoordinateInterpolator2D", "EaseInEaseOut", "NormalInterpolator", "OrientationInterpolator", + "PositionInterpolator", "PositionInterpolator2D", "ScalarInterpolator", "SplinePositionInterpolator", "SplinePositionInterpolator2D", + "SplineScalarInterpolator", "SquadOrientationInterpolator", + // Key device sensor component + "KeySensor", "StringSensor", + // Layering component + "Layer", "LayerSet", "Viewport", + // Layout component + "Layout", "LayoutGroup", "LayoutLayer", "ScreenFontStyle", "ScreenGroup", + // Navigation component + "Billboard", "Collision", "LOD", "NavigationInfo", "OrthoViewpoint", "Viewpoint", "ViewpointGroup", + // Networking component + "EXPORT", "IMPORT", "Anchor", "LoadSensor", + // NURBS component + "Contour2D", "ContourPolyline2D", "CoordinateDouble", "NurbsCurve", "NurbsCurve2D", "NurbsOrientationInterpolator", "NurbsPatchSurface", + "NurbsPositionInterpolator", "NurbsSet", "NurbsSurfaceInterpolator", "NurbsSweptSurface", "NurbsSwungSurface", "NurbsTextureCoordinate", + "NurbsTrimmedSurface", + // Particle systems component + "BoundedPhysicsModel", "ConeEmitter", "ExplosionEmitter", "ForcePhysicsModel", "ParticleSystem", "PointEmitter", "PolylineEmitter", "SurfaceEmitter", + "VolumeEmitter", "WindPhysicsModel", + // Picking component + "LinePickSensor", "PickableGroup", "PointPickSensor", "PrimitivePickSensor", "VolumePickSensor", + // Pointing device sensor component + "CylinderSensor", "PlaneSensor", "SphereSensor", "TouchSensor", + // Rendering component + "ClipPlane", + // Rigid body physics + "BallJoint", "CollidableOffset", "CollidableShape", "CollisionCollection", "CollisionSensor", "CollisionSpace", "Contact", "DoubleAxisHingeJoint", + "MotorJoint", "RigidBody", "RigidBodyCollection", "SingleAxisHingeJoint", "SliderJoint", "UniversalJoint", + // Scripting component + "Script", + // Programmable shaders component + "ComposedShader", "FloatVertexAttribute", "Matrix3VertexAttribute", "Matrix4VertexAttribute", "PackagedShader", "ProgramShader", "ShaderPart", + "ShaderProgram", + // Shape component + "FillProperties", "LineProperties", "TwoSidedMaterial", + // Sound component + "AudioClip", "Sound", + // Text component + "FontStyle", "Text", + // Texturing3D Component + "ComposedTexture3D", "ImageTexture3D", "PixelTexture3D", "TextureCoordinate3D", "TextureCoordinate4D", "TextureTransformMatrix3D", "TextureTransform3D", + // Texturing component + "MovieTexture", "MultiTexture", "MultiTextureCoordinate", "MultiTextureTransform", "PixelTexture", "TextureCoordinateGenerator", "TextureProperties", + // Time component + "TimeSensor", + // Event Utilities component + "BooleanFilter", "BooleanSequencer", "BooleanToggle", "BooleanTrigger", "IntegerSequencer", "IntegerTrigger", "TimeTrigger", + // Volume rendering component + "BlendedVolumeStyle", "BoundaryEnhancementVolumeStyle", "CartoonVolumeStyle", "ComposedVolumeStyle", "EdgeEnhancementVolumeStyle", "IsoSurfaceVolumeData", + "OpacityMapVolumeStyle", "ProjectionVolumeStyle", "SegmentedVolumeData", "ShadedVolumeStyle", "SilhouetteEnhancementVolumeStyle", "ToneMappedVolumeStyle", + "VolumeData" + }; + + const std::string nn = node.name(); + + if (nn.empty()) { + const std::string nv = node.value(); + if (!nv.empty()) { + LogInfo("Ignoring comment \"" + nv + "\" in " + pParentNodeName + "."); + return; + } + } + + bool found = false; + + for (size_t i = 0; i < Uns_Skip_Len; i++) { + if (nn == Uns_Skip[i]) { + found = true; + } + } + + if (!found) throw DeadlyImportError("Unknown node \"" + nn + "\" in " + pParentNodeName + "."); + + LogInfo("Skipping node \"" + nn + "\" in " + pParentNodeName + "."); +} + +X3DImporter::X3DImporter() : + mNodeElementCur(nullptr), + mScene(nullptr), + mpIOHandler(nullptr) { + // empty +} + +X3DImporter::~X3DImporter() { + // Clear() is accounting if data already is deleted. So, just check again if all data is deleted. + Clear(); +} + +void X3DImporter::Clear() { + mNodeElementCur = nullptr; + // Delete all elements + if (!NodeElement_List.empty()) { + for (std::list<X3DNodeElementBase *>::iterator it = NodeElement_List.begin(); it != NodeElement_List.end(); ++it) { + delete *it; + } + NodeElement_List.clear(); + } +} + +void X3DImporter::ParseFile(const std::string &file, IOSystem *pIOHandler) { + ai_assert(nullptr != pIOHandler); + + static const std::string mode = "rb"; + std::unique_ptr<IOStream> fileStream(pIOHandler->Open(file, mode)); + if (!fileStream.get()) { + throw DeadlyImportError("Failed to open file " + file + "."); + } + + XmlParser theParser; + if (!theParser.parse(fileStream.get())) { + return; + } + + XmlNode *node = theParser.findNode("X3D"); + if (nullptr == node) { + return; + } + + for (auto ¤tNode : node->children()) { + const std::string ¤tName = currentNode.name(); + if (currentName == "head") { + readHead(currentNode); + } else if (currentName == "Scene") { + readScene(currentNode); + } else { + skipUnsupportedNode("X3D", currentNode); + } + } +} + +bool X3DImporter::CanRead(const std::string &pFile, IOSystem * /*pIOHandler*/, bool checkSig) const { + if (checkSig) { + if (GetExtension(pFile) == "x3d") + return true; + } + + return false; +} + +void X3DImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) { + mpIOHandler = pIOHandler; + + Clear(); + std::shared_ptr<IOStream> stream(pIOHandler->Open(pFile, "rb")); + if (!stream) { + throw DeadlyImportError("Could not open file for reading"); + } + std::string::size_type slashPos = pFile.find_last_of("\\/"); + + mScene = pScene; + pScene->mRootNode = new aiNode(pFile); + pScene->mRootNode->mParent = nullptr; + pScene->mFlags |= AI_SCENE_FLAGS_ALLOW_SHARED; + + pIOHandler->PushDirectory(slashPos == std::string::npos ? std::string() : pFile.substr(0, slashPos + 1)); + ParseFile(pFile, pIOHandler); + pIOHandler->PopDirectory(); + + //search for root node element + + mNodeElementCur = NodeElement_List.front(); + if (mNodeElementCur == nullptr) { + return; + } + while (mNodeElementCur->Parent != nullptr) { + mNodeElementCur = mNodeElementCur->Parent; + } + + { // fill aiScene with objects. + std::list<aiMesh *> mesh_list; + std::list<aiMaterial *> mat_list; + std::list<aiLight *> light_list; + + // create nodes tree + Postprocess_BuildNode(*mNodeElementCur, *pScene->mRootNode, mesh_list, mat_list, light_list); + // copy needed data to scene + if (!mesh_list.empty()) { + std::list<aiMesh *>::const_iterator it = mesh_list.begin(); + + pScene->mNumMeshes = static_cast<unsigned int>(mesh_list.size()); + pScene->mMeshes = new aiMesh *[pScene->mNumMeshes]; + for (size_t i = 0; i < pScene->mNumMeshes; i++) + pScene->mMeshes[i] = *it++; + } + + if (!mat_list.empty()) { + std::list<aiMaterial *>::const_iterator it = mat_list.begin(); + + pScene->mNumMaterials = static_cast<unsigned int>(mat_list.size()); + pScene->mMaterials = new aiMaterial *[pScene->mNumMaterials]; + for (size_t i = 0; i < pScene->mNumMaterials; i++) + pScene->mMaterials[i] = *it++; + } + + if (!light_list.empty()) { + std::list<aiLight *>::const_iterator it = light_list.begin(); + + pScene->mNumLights = static_cast<unsigned int>(light_list.size()); + pScene->mLights = new aiLight *[pScene->mNumLights]; + for (size_t i = 0; i < pScene->mNumLights; i++) + pScene->mLights[i] = *it++; + } + } +} + +const aiImporterDesc *X3DImporter::GetInfo() const { + return &Description; +} + +struct meta_entry { + std::string name; + std::string value; +}; + +void X3DImporter::readHead(XmlNode &node) { + std::vector<meta_entry> metaArray; + for (auto currentNode : node.children()) { + const std::string ¤tName = currentNode.name(); + if (currentName == "meta") { + //checkNodeMustBeEmpty(node); + meta_entry entry; + if (XmlParser::getStdStrAttribute(currentNode, "name", entry.name)) { + XmlParser::getStdStrAttribute(currentNode, "content", entry.value); + metaArray.emplace_back(entry); + } + } + // TODO: check if other node types in head should be supported + } + mScene->mMetaData = aiMetadata::Alloc(static_cast<unsigned int>(metaArray.size())); + unsigned int i = 0; + for (auto currentMeta : metaArray) { + mScene->mMetaData->Set(i, currentMeta.name, aiString(currentMeta.value)); + ++i; + } +} + +void X3DImporter::readChildNodes(XmlNode &node, const std::string &pParentNodeName) { + if (node.empty()) { + return; + } + for (auto currentNode : node.children()) { + const std::string ¤tName = currentNode.name(); + if (currentName == "Shape") + readShape(currentNode); + else if (currentName == "Group") { + startReadGroup(currentNode); + readChildNodes(currentNode, "Group"); + endReadGroup(); + } else if (currentName == "StaticGroup") { + startReadStaticGroup(currentNode); + readChildNodes(currentNode, "StaticGroup"); + endReadStaticGroup(); + } else if (currentName == "Transform") { + startReadTransform(currentNode); + readChildNodes(currentNode, "Transform"); + endReadTransform(); + } else if (currentName == "Switch") { + startReadSwitch(currentNode); + readChildNodes(currentNode, "Switch"); + endReadSwitch(); + } else if (currentName == "DirectionalLight") { + readDirectionalLight(currentNode); + } else if (currentName == "PointLight") { + readPointLight(currentNode); + } else if (currentName == "SpotLight") { + readSpotLight(currentNode); + } else if (currentName == "Inline") { + readInline(currentNode); + } else if (!checkForMetadataNode(currentNode)) { + skipUnsupportedNode(pParentNodeName, currentNode); + } + } +} + +void X3DImporter::readScene(XmlNode &node) { + ParseHelper_Group_Begin(true); + readChildNodes(node, "Scene"); + ParseHelper_Node_Exit(); +} + +/*********************************************************************************************************************************************/ +/************************************************************ Functions: find set ************************************************************/ +/*********************************************************************************************************************************************/ + +bool X3DImporter::FindNodeElement_FromRoot(const std::string &pID, const X3DElemType pType, X3DNodeElementBase **pElement) { + for (std::list<X3DNodeElementBase *>::iterator it = NodeElement_List.begin(); it != NodeElement_List.end(); ++it) { + if (((*it)->Type == pType) && ((*it)->ID == pID)) { + if (pElement != nullptr) *pElement = *it; + + return true; + } + } // for(std::list<CX3DImporter_NodeElement*>::iterator it = NodeElement_List.begin(); it != NodeElement_List.end(); it++) + + return false; +} + +bool X3DImporter::FindNodeElement_FromNode(X3DNodeElementBase *pStartNode, const std::string &pID, + const X3DElemType pType, X3DNodeElementBase **pElement) { + bool found = false; // flag: true - if requested element is found. + + // Check if pStartNode - this is the element, we are looking for. + if ((pStartNode->Type == pType) && (pStartNode->ID == pID)) { + found = true; + if (pElement != nullptr) { + *pElement = pStartNode; + } + + goto fne_fn_end; + } // if((pStartNode->Type() == pType) && (pStartNode->ID() == pID)) + + // Check childs of pStartNode. + for (std::list<X3DNodeElementBase *>::iterator ch_it = pStartNode->Children.begin(); ch_it != pStartNode->Children.end(); ++ch_it) { + found = FindNodeElement_FromNode(*ch_it, pID, pType, pElement); + if (found) { + break; + } + } // for(std::list<CX3DImporter_NodeElement*>::iterator ch_it = it->Children.begin(); ch_it != it->Children.end(); ch_it++) + +fne_fn_end: + + return found; +} + +bool X3DImporter::FindNodeElement(const std::string &pID, const X3DElemType pType, X3DNodeElementBase **pElement) { + X3DNodeElementBase *tnd = mNodeElementCur; // temporary pointer to node. + bool static_search = false; // flag: true if searching in static node. + + // At first check if we have deal with static node. Go up through parent nodes and check flag. + while (tnd != nullptr) { + if (tnd->Type == X3DElemType::ENET_Group) { + if (((X3DNodeElementGroup *)tnd)->Static) { + static_search = true; // Flag found, stop walking up. Node with static flag will holded in tnd variable. + break; + } + } + + tnd = tnd->Parent; // go up in graph. + } // while (tnd != nullptr) + + // at now call appropriate search function. + if (static_search) { + return FindNodeElement_FromNode(tnd, pID, pType, pElement); + } else { + return FindNodeElement_FromRoot(pID, pType, pElement); + } +} + +/*********************************************************************************************************************************************/ +/************************************************************ Functions: parse set ***********************************************************/ +/*********************************************************************************************************************************************/ + +void X3DImporter::ParseHelper_Group_Begin(const bool pStatic) { + X3DNodeElementGroup *new_group = new X3DNodeElementGroup(mNodeElementCur, pStatic); // create new node with current node as parent. + + // if we are adding not the root element then add new element to current element child list. + if (mNodeElementCur != nullptr) { + mNodeElementCur->Children.push_back(new_group); + } + + NodeElement_List.push_back(new_group); // it's a new element - add it to list. + mNodeElementCur = new_group; // switch current element to new one. +} + +void X3DImporter::ParseHelper_Node_Enter(X3DNodeElementBase *pNode) { + ai_assert(nullptr != pNode); + + mNodeElementCur->Children.push_back(pNode); // add new element to current element child list. + mNodeElementCur = pNode; // switch current element to new one. +} + +void X3DImporter::ParseHelper_Node_Exit() { + // check if we can walk up. + if (mNodeElementCur != nullptr) { + mNodeElementCur = mNodeElementCur->Parent; + } else { + int i = 0; + ++i; + } +} + +} // namespace Assimp + +#endif // !ASSIMP_BUILD_NO_X3D_IMPORTER |