assimp/code/AssetLib/X3D/X3DImporter.hpp

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15 KiB
C++

/*
Open Asset Import Library (assimp)
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*/
/// \file X3DImporter.hpp
/// \brief X3D-format files importer for Assimp.
/// \date 2015-2016
/// \author smal.root@gmail.com
// Thanks to acorn89 for support.
#ifndef INCLUDED_AI_X3D_IMPORTER_H
#define INCLUDED_AI_X3D_IMPORTER_H
// Header files, Assimp.
#include <assimp/BaseImporter.h>
#include <assimp/XmlParser.h>
#include <assimp/importerdesc.h>
#include <assimp/scene.h>
#include <assimp/types.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/ProgressHandler.hpp>
#include <list>
namespace Assimp {
inline void Throw_ArgOutOfRange(const std::string &argument) {
throw DeadlyImportError("Argument value is out of range for: \"" + argument + "\".");
}
inline void Throw_CloseNotFound(const std::string &node) {
throw DeadlyImportError("Close tag for node <" + node + "> not found. Seems file is corrupt.");
}
inline void Throw_ConvertFail_Str2ArrF(const std::string &nodeName, const std::string &pAttrValue) {
throw DeadlyImportError("In <" + nodeName + "> failed to convert attribute value \"" + pAttrValue +
"\" from string to array of floats.");
}
inline void Throw_DEF_And_USE(const std::string &nodeName) {
throw DeadlyImportError("\"DEF\" and \"USE\" can not be defined both in <" + nodeName + ">.");
}
inline void Throw_IncorrectAttr(const std::string &nodeName, const std::string &pAttrName) {
throw DeadlyImportError("Node <" + nodeName + "> has incorrect attribute \"" + pAttrName + "\".");
}
inline void Throw_IncorrectAttrValue(const std::string &nodeName, const std::string &pAttrName) {
throw DeadlyImportError("Attribute \"" + pAttrName + "\" in node <" + nodeName + "> has incorrect value.");
}
inline void Throw_MoreThanOnceDefined(const std::string &nodeName, const std::string &pNodeType, const std::string &pDescription) {
throw DeadlyImportError("\"" + pNodeType + "\" node can be used only once in " + nodeName + ". Description: " + pDescription);
}
inline void Throw_TagCountIncorrect(const std::string &pNode) {
throw DeadlyImportError("Count of open and close tags for node <" + pNode + "> are not equivalent. Seems file is corrupt.");
}
inline void Throw_USE_NotFound(const std::string &nodeName, const std::string &pAttrValue) {
throw DeadlyImportError("Not found node with name \"" + pAttrValue + "\" in <" + nodeName + ">.");
}
inline void LogInfo(const std::string &message) {
DefaultLogger::get()->info(message);
}
/// \class X3DImporter
/// Class that holding scene graph which include: groups, geometry, metadata etc.
///
/// Limitations.
///
/// Pay attention that X3D is format for interactive graphic and simulations for web browsers.
/// So not all features can be imported using Assimp.
///
/// Unsupported nodes:
/// CAD geometry component:
/// "CADAssembly", "CADFace", "CADLayer", "CADPart", "IndexedQuadSet", "QuadSet"
/// Core component:
/// "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"
///
/// Supported nodes:
/// Core component:
/// "MetadataBoolean", "MetadataDouble", "MetadataFloat", "MetadataInteger", "MetadataSet", "MetadataString"
/// Geometry2D component:
/// "Arc2D", "ArcClose2D", "Circle2D", "Disk2D", "Polyline2D", "Polypoint2D", "Rectangle2D", "TriangleSet2D"
/// Geometry3D component:
/// "Box", "Cone", "Cylinder", "ElevationGrid", "Extrusion", "IndexedFaceSet", "Sphere"
/// Grouping component:
/// "Group", "StaticGroup", "Switch", "Transform"
/// Lighting component:
/// "DirectionalLight", "PointLight", "SpotLight"
/// Networking component:
/// "Inline"
/// Rendering component:
/// "Color", "ColorRGBA", "Coordinate", "IndexedLineSet", "IndexedTriangleFanSet", "IndexedTriangleSet", "IndexedTriangleStripSet", "LineSet",
/// "PointSet", "TriangleFanSet", "TriangleSet", "TriangleStripSet", "Normal"
/// Shape component:
/// "Shape", "Appearance", "Material"
/// Texturing component:
/// "ImageTexture", "TextureCoordinate", "TextureTransform"
///
/// Limitations of attribute "USE".
/// If "USE" is set then node must be empty, like that:
/// <Node USE='name'/>
/// not the
/// <Node USE='name'><!-- something --> </Node>
///
/// Ignored attributes: "creaseAngle", "convex", "solid".
///
/// Texture coordinates generating: only for Sphere, Cone, Cylinder. In all other case used PLANE mapping.
/// It's better that Assimp main code has powerful texture coordinates generator. Then is not needed to
/// duplicate this code in every importer.
///
/// Lighting limitations.
/// If light source placed in some group with "DEF" set. And after that some node is use it group with "USE" attribute then
/// you will get error about duplicate light sources. That's happening because Assimp require names for lights but do not like
/// duplicates of it )).
///
/// Color for faces.
/// That's happening when attribute "colorPerVertex" is set to "false". But Assimp do not hold how many colors has mesh and require
/// equal length for mVertices and mColors. You will see the colors but vertices will use call which last used in "colorIdx".
///
/// That's all for now. Enjoy
///
enum class X3DElemType {
ENET_Group, ///< Element has type "Group".
ENET_MetaBoolean, ///< Element has type "Metadata boolean".
ENET_MetaDouble, ///< Element has type "Metadata double".
ENET_MetaFloat, ///< Element has type "Metadata float".
ENET_MetaInteger, ///< Element has type "Metadata integer".
ENET_MetaSet, ///< Element has type "Metadata set".
ENET_MetaString, ///< Element has type "Metadata string".
ENET_Arc2D, ///< Element has type "Arc2D".
ENET_ArcClose2D, ///< Element has type "ArcClose2D".
ENET_Circle2D, ///< Element has type "Circle2D".
ENET_Disk2D, ///< Element has type "Disk2D".
ENET_Polyline2D, ///< Element has type "Polyline2D".
ENET_Polypoint2D, ///< Element has type "Polypoint2D".
ENET_Rectangle2D, ///< Element has type "Rectangle2D".
ENET_TriangleSet2D, ///< Element has type "TriangleSet2D".
ENET_Box, ///< Element has type "Box".
ENET_Cone, ///< Element has type "Cone".
ENET_Cylinder, ///< Element has type "Cylinder".
ENET_Sphere, ///< Element has type "Sphere".
ENET_ElevationGrid, ///< Element has type "ElevationGrid".
ENET_Extrusion, ///< Element has type "Extrusion".
ENET_Coordinate, ///< Element has type "Coordinate".
ENET_Normal, ///< Element has type "Normal".
ENET_TextureCoordinate, ///< Element has type "TextureCoordinate".
ENET_IndexedFaceSet, ///< Element has type "IndexedFaceSet".
ENET_IndexedLineSet, ///< Element has type "IndexedLineSet".
ENET_IndexedTriangleSet, ///< Element has type "IndexedTriangleSet".
ENET_IndexedTriangleFanSet, ///< Element has type "IndexedTriangleFanSet".
ENET_IndexedTriangleStripSet, ///< Element has type "IndexedTriangleStripSet".
ENET_LineSet, ///< Element has type "LineSet".
ENET_PointSet, ///< Element has type "PointSet".
ENET_TriangleSet, ///< Element has type "TriangleSet".
ENET_TriangleFanSet, ///< Element has type "TriangleFanSet".
ENET_TriangleStripSet, ///< Element has type "TriangleStripSet".
ENET_Color, ///< Element has type "Color".
ENET_ColorRGBA, ///< Element has type "ColorRGBA".
ENET_Shape, ///< Element has type "Shape".
ENET_Appearance, ///< Element has type "Appearance".
ENET_Material, ///< Element has type "Material".
ENET_ImageTexture, ///< Element has type "ImageTexture".
ENET_TextureTransform, ///< Element has type "TextureTransform".
ENET_DirectionalLight, ///< Element has type "DirectionalLight".
ENET_PointLight, ///< Element has type "PointLight".
ENET_SpotLight, ///< Element has type "SpotLight".
ENET_Invalid ///< Element has invalid type and possible contain invalid data.
};
struct X3DNodeElementBase {
X3DNodeElementBase *Parent;
std::string ID;
std::list<X3DNodeElementBase *> Child;
X3DElemType Type;
};
class X3DImporter : public BaseImporter {
public:
std::list<X3DNodeElementBase *> NodeElement_List; ///< All elements of scene graph.
public:
/// Default constructor.
X3DImporter();
/// Default destructor.
~X3DImporter();
/***********************************************/
/******** Functions: parse set, public *********/
/***********************************************/
/// Parse X3D file and fill scene graph. The function has no return value. Result can be found by analyzing the generated graph.
/// Also exception can be thrown if trouble will found.
/// \param [in] pFile - name of file to be parsed.
/// \param [in] pIOHandler - pointer to IO helper object.
void ParseFile(const std::string &pFile, IOSystem *pIOHandler);
bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool pCheckSig) const;
void GetExtensionList(std::set<std::string> &pExtensionList);
void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler);
const aiImporterDesc *GetInfo() const;
void Clear();
private:
static const aiImporterDesc Description;
X3DNodeElementBase *mNodeElementCur; ///< Current element.
}; // class X3DImporter
} // namespace Assimp
#endif // INCLUDED_AI_X3D_IMPORTER_H