396 lines
19 KiB
C++
396 lines
19 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2022, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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#ifndef INCLUDED_AI_X3D_IMPORTER_H
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#define INCLUDED_AI_X3D_IMPORTER_H
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#include "X3DImporter_Node.hpp"
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#include <assimp/BaseImporter.h>
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#include <assimp/XmlParser.h>
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#include <assimp/importerdesc.h>
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#include <assimp/scene.h>
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#include <assimp/types.h>
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#include <assimp/DefaultLogger.hpp>
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#include <assimp/ProgressHandler.hpp>
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#include <list>
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#include <string>
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namespace Assimp {
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AI_WONT_RETURN inline void Throw_ArgOutOfRange(const std::string &argument) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_CloseNotFound(const std::string &node) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_ConvertFail_Str2ArrF(const std::string &nodeName, const std::string &pAttrValue) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_ConvertFail_Str2ArrD(const std::string &nodeName, const std::string &pAttrValue) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_ConvertFail_Str2ArrB(const std::string &nodeName, const std::string &pAttrValue) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_ConvertFail_Str2ArrI(const std::string &nodeName, const std::string &pAttrValue) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_DEF_And_USE(const std::string &nodeName) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_IncorrectAttr(const std::string &nodeName, const std::string &pAttrName) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_IncorrectAttrValue(const std::string &nodeName, const std::string &pAttrName) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_MoreThanOnceDefined(const std::string &nodeName, const std::string &pNodeType, const std::string &pDescription) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_TagCountIncorrect(const std::string &pNode) AI_WONT_RETURN_SUFFIX;
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AI_WONT_RETURN inline void Throw_USE_NotFound(const std::string &nodeName, const std::string &pAttrValue) AI_WONT_RETURN_SUFFIX;
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inline void Throw_ArgOutOfRange(const std::string &argument) {
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throw DeadlyImportError("Argument value is out of range for: \"" + argument + "\".");
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}
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inline void Throw_CloseNotFound(const std::string &node) {
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throw DeadlyImportError("Close tag for node <" + node + "> not found. Seems file is corrupt.");
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}
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inline void Throw_ConvertFail_Str2ArrF(const std::string &nodeName, const std::string &pAttrValue) {
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throw DeadlyImportError("In <" + nodeName + "> failed to convert attribute value \"" + pAttrValue +
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"\" from string to array of floats.");
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}
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inline void Throw_ConvertFail_Str2ArrD(const std::string &nodeName, const std::string &pAttrValue) {
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throw DeadlyImportError("In <" + nodeName + "> failed to convert attribute value \"" + pAttrValue +
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"\" from string to array of doubles.");
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}
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inline void Throw_ConvertFail_Str2ArrB(const std::string &nodeName, const std::string &pAttrValue) {
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throw DeadlyImportError("In <" + nodeName + "> failed to convert attribute value \"" + pAttrValue +
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"\" from string to array of booleans.");
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}
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inline void Throw_ConvertFail_Str2ArrI(const std::string &nodeName, const std::string &pAttrValue) {
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throw DeadlyImportError("In <" + nodeName + "> failed to convert attribute value \"" + pAttrValue +
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"\" from string to array of integers.");
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}
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inline void Throw_DEF_And_USE(const std::string &nodeName) {
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throw DeadlyImportError("\"DEF\" and \"USE\" can not be defined both in <" + nodeName + ">.");
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}
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inline void Throw_IncorrectAttr(const std::string &nodeName, const std::string &pAttrName) {
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throw DeadlyImportError("Node <" + nodeName + "> has incorrect attribute \"" + pAttrName + "\".");
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}
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inline void Throw_IncorrectAttrValue(const std::string &nodeName, const std::string &pAttrName) {
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throw DeadlyImportError("Attribute \"" + pAttrName + "\" in node <" + nodeName + "> has incorrect value.");
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}
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inline void Throw_MoreThanOnceDefined(const std::string &nodeName, const std::string &pNodeType, const std::string &pDescription) {
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throw DeadlyImportError("\"" + pNodeType + "\" node can be used only once in " + nodeName + ". Description: " + pDescription);
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}
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inline void Throw_TagCountIncorrect(const std::string &pNode) {
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throw DeadlyImportError("Count of open and close tags for node <" + pNode + "> are not equivalent. Seems file is corrupt.");
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}
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inline void Throw_USE_NotFound(const std::string &nodeName, const std::string &pAttrValue) {
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throw DeadlyImportError("Not found node with name \"" + pAttrValue + "\" in <" + nodeName + ">.");
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}
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inline void LogInfo(const std::string &message) {
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DefaultLogger::get()->info(message);
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}
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/// \class X3DImporter
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/// Class that holding scene graph which include: groups, geometry, metadata etc.
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///
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/// Limitations.
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///
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/// Pay attention that X3D is format for interactive graphic and simulations for web browsers.
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/// So not all features can be imported using Assimp.
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///
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/// Unsupported nodes:
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/// CAD geometry component:
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/// "CADAssembly", "CADFace", "CADLayer", "CADPart", "IndexedQuadSet", "QuadSet"
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/// Core component:
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/// "ROUTE", "ExternProtoDeclare", "ProtoDeclare", "ProtoInstance", "ProtoInterface", "WorldInfo"
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/// Distributed interactive simulation (DIS) component:
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/// "DISEntityManager", "DISEntityTypeMapping", "EspduTransform", "ReceiverPdu", "SignalPdu", "TransmitterPdu"
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/// Cube map environmental texturing component:
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/// "ComposedCubeMapTexture", "GeneratedCubeMapTexture", "ImageCubeMapTexture"
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/// Environmental effects component:
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/// "Background", "Fog", "FogCoordinate", "LocalFog", "TextureBackground"
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/// Environmental sensor component:
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/// "ProximitySensor", "TransformSensor", "VisibilitySensor"
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/// Followers component:
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/// "ColorChaser", "ColorDamper", "CoordinateChaser", "CoordinateDamper", "OrientationChaser", "OrientationDamper", "PositionChaser",
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/// "PositionChaser2D", "PositionDamper", "PositionDamper2D", "ScalarChaser", "ScalarDamper", "TexCoordChaser2D", "TexCoordDamper2D"
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/// Geospatial component:
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/// "GeoCoordinate", "GeoElevationGrid", "GeoLocation", "GeoLOD", "GeoMetadata", "GeoOrigin", "GeoPositionInterpolator", "GeoProximitySensor",
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/// "GeoTouchSensor", "GeoTransform", "GeoViewpoint"
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/// Humanoid Animation (H-Anim) component:
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/// "HAnimDisplacer", "HAnimHumanoid", "HAnimJoint", "HAnimSegment", "HAnimSite"
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/// Interpolation component:
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/// "ColorInterpolator", "CoordinateInterpolator", "CoordinateInterpolator2D", "EaseInEaseOut", "NormalInterpolator", "OrientationInterpolator",
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/// "PositionInterpolator", "PositionInterpolator2D", "ScalarInterpolator", "SplinePositionInterpolator", "SplinePositionInterpolator2D",
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/// "SplineScalarInterpolator", "SquadOrientationInterpolator",
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/// Key device sensor component:
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/// "KeySensor", "StringSensor"
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/// Layering component:
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/// "Layer", "LayerSet", "Viewport"
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/// Layout component:
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/// "Layout", "LayoutGroup", "LayoutLayer", "ScreenFontStyle", "ScreenGroup"
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/// Navigation component:
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/// "Billboard", "Collision", "LOD", "NavigationInfo", "OrthoViewpoint", "Viewpoint", "ViewpointGroup"
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/// Networking component:
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/// "EXPORT", "IMPORT", "Anchor", "LoadSensor"
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/// NURBS component:
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/// "Contour2D", "ContourPolyline2D", "CoordinateDouble", "NurbsCurve", "NurbsCurve2D", "NurbsOrientationInterpolator", "NurbsPatchSurface",
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/// "NurbsPositionInterpolator", "NurbsSet", "NurbsSurfaceInterpolator", "NurbsSweptSurface", "NurbsSwungSurface", "NurbsTextureCoordinate",
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/// "NurbsTrimmedSurface"
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/// Particle systems component:
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/// "BoundedPhysicsModel", "ConeEmitter", "ExplosionEmitter", "ForcePhysicsModel", "ParticleSystem", "PointEmitter", "PolylineEmitter",
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/// "SurfaceEmitter", "VolumeEmitter", "WindPhysicsModel"
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/// Picking component:
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/// "LinePickSensor", "PickableGroup", "PointPickSensor", "PrimitivePickSensor", "VolumePickSensor"
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/// Pointing device sensor component:
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/// "CylinderSensor", "PlaneSensor", "SphereSensor", "TouchSensor"
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/// Rendering component:
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/// "ClipPlane"
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/// Rigid body physics:
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/// "BallJoint", "CollidableOffset", "CollidableShape", "CollisionCollection", "CollisionSensor", "CollisionSpace", "Contact", "DoubleAxisHingeJoint",
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/// "MotorJoint", "RigidBody", "RigidBodyCollection", "SingleAxisHingeJoint", "SliderJoint", "UniversalJoint"
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/// Scripting component:
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/// "Script"
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/// Programmable shaders component:
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/// "ComposedShader", "FloatVertexAttribute", "Matrix3VertexAttribute", "Matrix4VertexAttribute", "PackagedShader", "ProgramShader", "ShaderPart",
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/// "ShaderProgram",
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/// Shape component:
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/// "FillProperties", "LineProperties", "TwoSidedMaterial"
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/// Sound component:
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/// "AudioClip", "Sound"
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/// Text component:
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/// "FontStyle", "Text"
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/// Texturing3D Component:
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/// "ComposedTexture3D", "ImageTexture3D", "PixelTexture3D", "TextureCoordinate3D", "TextureCoordinate4D", "TextureTransformMatrix3D",
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/// "TextureTransform3D"
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/// Texturing component:
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/// "MovieTexture", "MultiTexture", "MultiTextureCoordinate", "MultiTextureTransform", "PixelTexture", "TextureCoordinateGenerator",
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/// "TextureProperties",
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/// Time component:
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/// "TimeSensor"
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/// Event Utilities component:
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/// "BooleanFilter", "BooleanSequencer", "BooleanToggle", "BooleanTrigger", "IntegerSequencer", "IntegerTrigger", "TimeTrigger",
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/// Volume rendering component:
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/// "BlendedVolumeStyle", "BoundaryEnhancementVolumeStyle", "CartoonVolumeStyle", "ComposedVolumeStyle", "EdgeEnhancementVolumeStyle",
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/// "IsoSurfaceVolumeData", "OpacityMapVolumeStyle", "ProjectionVolumeStyle", "SegmentedVolumeData", "ShadedVolumeStyle",
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/// "SilhouetteEnhancementVolumeStyle", "ToneMappedVolumeStyle", "VolumeData"
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///
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/// Supported nodes:
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/// Core component:
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/// "MetadataBoolean", "MetadataDouble", "MetadataFloat", "MetadataInteger", "MetadataSet", "MetadataString"
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/// Geometry2D component:
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/// "Arc2D", "ArcClose2D", "Circle2D", "Disk2D", "Polyline2D", "Polypoint2D", "Rectangle2D", "TriangleSet2D"
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/// Geometry3D component:
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/// "Box", "Cone", "Cylinder", "ElevationGrid", "Extrusion", "IndexedFaceSet", "Sphere"
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/// Grouping component:
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/// "Group", "StaticGroup", "Switch", "Transform"
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/// Lighting component:
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/// "DirectionalLight", "PointLight", "SpotLight"
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/// Networking component:
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/// "Inline"
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/// Rendering component:
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/// "Color", "ColorRGBA", "Coordinate", "IndexedLineSet", "IndexedTriangleFanSet", "IndexedTriangleSet", "IndexedTriangleStripSet", "LineSet",
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/// "PointSet", "TriangleFanSet", "TriangleSet", "TriangleStripSet", "Normal"
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/// Shape component:
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/// "Shape", "Appearance", "Material"
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/// Texturing component:
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/// "ImageTexture", "TextureCoordinate", "TextureTransform"
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///
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/// Limitations of attribute "USE".
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/// If "USE" is set then node must be empty, like that:
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/// <Node USE='name'/>
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/// not the
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/// <Node USE='name'><!-- something --> </Node>
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///
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/// Ignored attributes: "creaseAngle", "convex", "solid".
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///
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/// Texture coordinates generating: only for Sphere, Cone, Cylinder. In all other case used PLANE mapping.
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/// It's better that Assimp main code has powerful texture coordinates generator. Then is not needed to
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/// duplicate this code in every importer.
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///
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/// Lighting limitations.
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/// If light source placed in some group with "DEF" set. And after that some node is use it group with "USE" attribute then
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/// you will get error about duplicate light sources. That's happening because Assimp require names for lights but do not like
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/// duplicates of it )).
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///
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/// Color for faces.
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/// That's happening when attribute "colorPerVertex" is set to "false". But Assimp do not hold how many colors has mesh and require
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/// equal length for mVertices and mColors. You will see the colors but vertices will use call which last used in "colorIdx".
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///
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/// That's all for now. Enjoy
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///
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using X3DElementList = std::list<X3DNodeElementBase *>;
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class X3DImporter : public BaseImporter {
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public:
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std::list<X3DNodeElementBase *> NodeElement_List; ///< All elements of scene graph.
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public:
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/// Default constructor.
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X3DImporter();
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/// Default destructor.
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~X3DImporter();
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/***********************************************/
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/******** Functions: parse set, public *********/
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/***********************************************/
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/// Parse X3D file and fill scene graph. The function has no return value. Result can be found by analyzing the generated graph.
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/// Also exception can be thrown if trouble will found.
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/// \param [in] pFile - name of file to be parsed.
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/// \param [in] pIOHandler - pointer to IO helper object.
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void ParseFile(const std::string &pFile, IOSystem *pIOHandler);
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bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool pCheckSig) const;
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void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler);
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const aiImporterDesc *GetInfo() const;
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void Clear();
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private:
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X3DNodeElementBase *MACRO_USE_CHECKANDAPPLY(XmlNode &node, const std::string &pDEF, const std::string &pUSE, X3DElemType pType, X3DNodeElementBase *pNE);
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bool isNodeEmpty(XmlNode &node);
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void checkNodeMustBeEmpty(XmlNode &node);
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void skipUnsupportedNode(const std::string &pParentNodeName, XmlNode &node);
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void readHead(XmlNode &node);
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void readChildNodes(XmlNode &node, const std::string &pParentNodeName);
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void readScene(XmlNode &node);
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bool FindNodeElement_FromRoot(const std::string &pID, const X3DElemType pType, X3DNodeElementBase **pElement);
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bool FindNodeElement_FromNode(X3DNodeElementBase *pStartNode, const std::string &pID,
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const X3DElemType pType, X3DNodeElementBase **pElement);
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bool FindNodeElement(const std::string &pID, const X3DElemType pType, X3DNodeElementBase **pElement);
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void ParseHelper_Group_Begin(const bool pStatic = false);
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void ParseHelper_Node_Enter(X3DNodeElementBase *pNode);
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void ParseHelper_Node_Exit();
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// 2D geometry
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void readArc2D(XmlNode &node);
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void readArcClose2D(XmlNode &node);
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void readCircle2D(XmlNode &node);
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void readDisk2D(XmlNode &node);
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void readPolyline2D(XmlNode &node);
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void readPolypoint2D(XmlNode &node);
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void readRectangle2D(XmlNode &node);
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void readTriangleSet2D(XmlNode &node);
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// 3D geometry
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void readBox(XmlNode &node);
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void readCone(XmlNode &node);
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void readCylinder(XmlNode &node);
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void readElevationGrid(XmlNode &node);
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void readExtrusion(XmlNode &node);
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void readIndexedFaceSet(XmlNode &node);
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void readSphere(XmlNode &node);
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// group
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void startReadGroup(XmlNode &node);
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void endReadGroup();
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void startReadStaticGroup(XmlNode &node);
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void endReadStaticGroup();
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void startReadSwitch(XmlNode &node);
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void endReadSwitch();
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void startReadTransform(XmlNode &node);
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void endReadTransform();
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// light
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void readDirectionalLight(XmlNode &node);
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void readPointLight(XmlNode &node);
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void readSpotLight(XmlNode &node);
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// metadata
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bool checkForMetadataNode(XmlNode &node);
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void childrenReadMetadata(XmlNode &node, X3DNodeElementBase *pParentElement, const std::string &pNodeName);
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void readMetadataBoolean(XmlNode &node);
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void readMetadataDouble(XmlNode &node);
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void readMetadataFloat(XmlNode &node);
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void readMetadataInteger(XmlNode &node);
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void readMetadataSet(XmlNode &node);
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void readMetadataString(XmlNode &node);
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// networking
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void readInline(XmlNode &node);
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// postprocessing
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aiMatrix4x4 PostprocessHelper_Matrix_GlobalToCurrent() const;
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void PostprocessHelper_CollectMetadata(const X3DNodeElementBase &pNodeElement, std::list<X3DNodeElementBase *> &pList) const;
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bool PostprocessHelper_ElementIsMetadata(const X3DElemType pType) const;
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bool PostprocessHelper_ElementIsMesh(const X3DElemType pType) const;
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void Postprocess_BuildLight(const X3DNodeElementBase &pNodeElement, std::list<aiLight *> &pSceneLightList) const;
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void Postprocess_BuildMaterial(const X3DNodeElementBase &pNodeElement, aiMaterial **pMaterial) const;
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void Postprocess_BuildMesh(const X3DNodeElementBase &pNodeElement, aiMesh **pMesh) const;
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void Postprocess_BuildNode(const X3DNodeElementBase &pNodeElement, aiNode &pSceneNode, std::list<aiMesh *> &pSceneMeshList,
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std::list<aiMaterial *> &pSceneMaterialList, std::list<aiLight *> &pSceneLightList) const;
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void Postprocess_BuildShape(const X3DNodeElementShape &pShapeNodeElement, std::list<unsigned int> &pNodeMeshInd,
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std::list<aiMesh *> &pSceneMeshList, std::list<aiMaterial *> &pSceneMaterialList) const;
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void Postprocess_CollectMetadata(const X3DNodeElementBase &pNodeElement, aiNode &pSceneNode) const;
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// rendering
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void readColor(XmlNode &node);
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void readColorRGBA(XmlNode &node);
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void readCoordinate(XmlNode &node);
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void readIndexedLineSet(XmlNode &node);
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void readIndexedTriangleFanSet(XmlNode &node);
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void readIndexedTriangleSet(XmlNode &node);
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void readIndexedTriangleStripSet(XmlNode &node);
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void readLineSet(XmlNode &node);
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void readPointSet(XmlNode &node);
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void readTriangleFanSet(XmlNode &node);
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void readTriangleSet(XmlNode &node);
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void readTriangleStripSet(XmlNode &node);
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void readNormal(XmlNode &node);
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// shape
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void readShape(XmlNode &node);
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void readAppearance(XmlNode &node);
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void readMaterial(XmlNode &node);
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// texturing
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void readImageTexture(XmlNode &node);
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void readTextureCoordinate(XmlNode &node);
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void readTextureTransform(XmlNode &node);
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static const aiImporterDesc Description;
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X3DNodeElementBase *mNodeElementCur;
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aiScene *mScene;
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IOSystem *mpIOHandler;
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}; // class X3DImporter
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} // namespace Assimp
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#endif // INCLUDED_AI_X3D_IMPORTER_H
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