RWGltf_GltfMaterialMap.cxx
RWGltf_GltfMaterialMap.hxx
RWGltf_GltfJsonParser.cxx
-RWGltf_GltfJsonParser.pxx
+RWGltf_GltfJsonParser.hxx
RWGltf_GltfOStreamWriter.hxx
RWGltf_GltfSceneNodeMap.hxx
RWGltf_PrimitiveArrayReader.cxx
#include <RWGltf_CafReader.hxx>
-#include "RWGltf_GltfJsonParser.pxx"
+#include "RWGltf_GltfJsonParser.hxx"
#include <RWGltf_TriangulationReader.hxx>
#include <BRep_Builder.hxx>
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
-#include "RWGltf_GltfJsonParser.pxx"
+#include "RWGltf_GltfJsonParser.hxx"
#include <BRep_Builder.hxx>
#include <gp_Quaternion.hxx>
--- /dev/null
+// Author: Kirill Gavrilov
+// Copyright (c) 2016-2019 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _RWGltf_GltfJsonParser_HeaderFile
+#define _RWGltf_GltfJsonParser_HeaderFile
+
+#include <Graphic3d_Vec.hxx>
+#include <Message_Gravity.hxx>
+#include <Message_ProgressScope.hxx>
+#include <NCollection_DataMap.hxx>
+#include <NCollection_IndexedMap.hxx>
+#include <RWGltf_GltfLatePrimitiveArray.hxx>
+#include <RWGltf_GltfBufferView.hxx>
+#include <RWGltf_GltfRootElement.hxx>
+#include <RWGltf_MaterialCommon.hxx>
+#include <RWGltf_MaterialMetallicRoughness.hxx>
+#include <RWMesh_CoordinateSystemConverter.hxx>
+#include <RWMesh_NodeAttributes.hxx>
+#include <TColStd_IndexedDataMapOfStringString.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+
+// workaround name collisions with XLib
+#ifdef None
+ #undef None
+#endif
+#ifdef Bool
+ #undef Bool
+#endif
+
+#ifdef HAVE_RAPIDJSON
+ //#define RAPIDJSON_ASSERT
+ #include <rapidjson/document.h>
+ #include <rapidjson/prettywriter.h>
+ #include <rapidjson/stringbuffer.h>
+ #include <rapidjson/istreamwrapper.h>
+ #include <rapidjson/ostreamwrapper.h>
+
+ typedef rapidjson::Document::ValueType RWGltf_JsonValue;
+#endif
+
+class Message_ProgressIndicator;
+
+//! INTERNAL tool for parsing glTF document (JSON structure).
+class RWGltf_GltfJsonParser
+#ifdef HAVE_RAPIDJSON
+: public rapidjson::Document
+#endif
+{
+public:
+
+#ifdef HAVE_RAPIDJSON
+ //! Auxiliary method for formatting error code.
+ Standard_EXPORT static const char* FormatParseError (rapidjson::ParseErrorCode theCode);
+#endif
+
+public:
+
+ //! Empty constructor.
+ Standard_EXPORT RWGltf_GltfJsonParser (TopTools_SequenceOfShape& theRootShapes);
+
+ //! Set file path.
+ Standard_EXPORT void SetFilePath (const TCollection_AsciiString& theFilePath);
+
+ //! Set flag for probing file without complete reading.
+ void SetProbeHeader (bool theToProbe) { myToProbeHeader = theToProbe; }
+
+ //! Return prefix for reporting issues.
+ const TCollection_AsciiString& ErrorPrefix() const { return myErrorPrefix; }
+
+ //! Set prefix for reporting issues.
+ void SetErrorPrefix (const TCollection_AsciiString& theErrPrefix) { myErrorPrefix = theErrPrefix; }
+
+ //! Set map for storing node attributes.
+ void SetAttributeMap (RWMesh_NodeAttributeMap& theAttribMap) { myAttribMap = &theAttribMap; }
+
+ //! Set list for storing external files.
+ void SetExternalFiles (NCollection_IndexedMap<TCollection_AsciiString>& theExternalFiles) { myExternalFiles = &theExternalFiles; }
+
+ //! Set metadata map.
+ void SetMetadata (TColStd_IndexedDataMapOfStringString& theMetadata) { myMetadata = &theMetadata; }
+
+ //! Return transformation from glTF to OCCT coordinate system.
+ const RWMesh_CoordinateSystemConverter& CoordinateSystemConverter() const { return myCSTrsf; }
+
+ //! Set transformation from glTF to OCCT coordinate system.
+ void SetCoordinateSystemConverter (const RWMesh_CoordinateSystemConverter& theConverter) { myCSTrsf = theConverter; }
+
+ //! Initialize binary format.
+ void SetBinaryFormat (int64_t theBinBodyOffset,
+ int64_t theBinBodyLen)
+ {
+ myIsBinary = true;
+ myBinBodyOffset = theBinBodyOffset;
+ myBinBodyLen = theBinBodyLen;
+ }
+
+ //! Set flag to ignore nodes without Geometry, TRUE by default.
+ void SetSkipEmptyNodes (bool theToSkip) { myToSkipEmptyNodes = theToSkip; }
+
+ //! Set flag to use Mesh name in case if Node name is empty, TRUE by default.
+ void SetMeshNameAsFallback (bool theToFallback) { myUseMeshNameAsFallback = theToFallback; }
+
+ //! Parse glTF document.
+ Standard_EXPORT bool Parse (const Message_ProgressRange& theProgress);
+
+ //! Return face list for loading triangulation.
+ NCollection_Vector<TopoDS_Face>& FaceList() { return myFaceList; }
+
+protected:
+#ifdef HAVE_RAPIDJSON
+ //! Search mandatory root elements in the document.
+ //! Return FALSE if some mandatory element is missing.
+ Standard_EXPORT bool gltfParseRoots();
+
+ //! Parse default scene.
+ Standard_EXPORT bool gltfParseScene (const Message_ProgressRange& theProgress);
+
+ //! Parse document metadata.
+ Standard_EXPORT void gltfParseAsset();
+
+protected:
+
+ //! Parse materials defined in the document.
+ Standard_EXPORT void gltfParseMaterials();
+
+ //! Parse standard material.
+ Standard_EXPORT bool gltfParseStdMaterial (Handle(RWGltf_MaterialCommon)& theMat,
+ const RWGltf_JsonValue& theMatNode);
+
+ //! Parse pbrMetallicRoughness material.
+ Standard_EXPORT bool gltfParsePbrMaterial (Handle(RWGltf_MaterialMetallicRoughness)& theMat,
+ const RWGltf_JsonValue& theMatNode);
+
+ //! Parse common material (KHR_materials_common extension).
+ Standard_EXPORT bool gltfParseCommonMaterial (Handle(RWGltf_MaterialCommon)& theMat,
+ const RWGltf_JsonValue& theMatNode);
+
+ //! Parse texture definition.
+ Standard_EXPORT bool gltfParseTexture (Handle(Image_Texture)& theTexture,
+ const RWGltf_JsonValue* theTextureId);
+
+ //! Parse texture definition in binary buffer of GLB file.
+ Standard_EXPORT bool gltfParseTexturInGlbBuffer (Handle(Image_Texture)& theTexture,
+ const RWGltf_JsonValue& theBinVal,
+ const TCollection_AsciiString& theBufferViewId,
+ const RWGltf_JsonValue& theBufferViewName);
+
+ //! Parse texture definition in binary buffer of glTF file.
+ Standard_EXPORT bool gltfParseTextureInBufferView (Handle(Image_Texture)& theTexture,
+ const TCollection_AsciiString& theSourceId,
+ const TCollection_AsciiString& theBufferViewhId,
+ const RWGltf_JsonValue& theBufferView);
+
+ //! Bind material definition to the map.
+ Standard_EXPORT void gltfBindMaterial (const Handle(RWGltf_MaterialMetallicRoughness)& theMatPbr,
+ const Handle(RWGltf_MaterialCommon)& theMatCommon);
+
+protected:
+
+ //! Parse scene array of nodes recursively.
+ Standard_EXPORT bool gltfParseSceneNodes (TopTools_SequenceOfShape& theShapeSeq,
+ const RWGltf_JsonValue& theSceneNodes,
+ const Message_ProgressRange& theProgress);
+
+ //! Parse scene node recursively.
+ Standard_EXPORT bool gltfParseSceneNode (TopoDS_Shape& theNodeShape,
+ const TCollection_AsciiString& theSceneNodeId,
+ const RWGltf_JsonValue& theSceneNode,
+ const Message_ProgressRange& theProgress);
+
+ //! Parse mesh element.
+ Standard_EXPORT bool gltfParseMesh (TopoDS_Shape& theMeshShape,
+ const TCollection_AsciiString& theMeshId,
+ const RWGltf_JsonValue& theMesh);
+
+ //! Parse primitive array.
+ Standard_EXPORT bool gltfParsePrimArray (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
+ const TCollection_AsciiString& theMeshName,
+ const RWGltf_JsonValue& thePrimArray);
+
+ //! Parse accessor.
+ Standard_EXPORT bool gltfParseAccessor (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
+ const TCollection_AsciiString& theName,
+ const RWGltf_JsonValue& theAccessor,
+ const RWGltf_GltfArrayType theType);
+
+ //! Parse buffer view.
+ Standard_EXPORT bool gltfParseBufferView (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
+ const TCollection_AsciiString& theName,
+ const RWGltf_JsonValue& theBufferView,
+ const RWGltf_GltfAccessor& theAccessor,
+ const RWGltf_GltfArrayType theType);
+
+ //! Parse buffer.
+ Standard_EXPORT bool gltfParseBuffer (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
+ const TCollection_AsciiString& theName,
+ const RWGltf_JsonValue& theBuffer,
+ const RWGltf_GltfAccessor& theAccessor,
+ const RWGltf_GltfBufferView& theView,
+ const RWGltf_GltfArrayType theType);
+
+protected:
+
+ //! Read vec4 from specified item.
+ static bool gltfReadVec4 (Graphic3d_Vec4d& theVec4,
+ const RWGltf_JsonValue* theVal)
+ {
+ if (theVal == NULL
+ || !theVal->IsArray()
+ || theVal->Size() != 4)
+ {
+ return false;
+ }
+
+ for (int aCompIter = 0; aCompIter < 4; ++aCompIter)
+ {
+ const RWGltf_JsonValue& aGenVal = (*theVal)[aCompIter];
+ if (!aGenVal.IsNumber())
+ {
+ return false;
+ }
+ theVec4[aCompIter] = aGenVal.GetDouble();
+ }
+ return true;
+ }
+
+ //! Validate color
+ static bool validateColor4 (const Graphic3d_Vec4d& theVec)
+ {
+ return theVec.r() >= 0.0 && theVec.r() <= 1.0
+ && theVec.g() >= 0.0 && theVec.g() <= 1.0
+ && theVec.b() >= 0.0 && theVec.b() <= 1.0
+ && theVec.a() >= 0.0 && theVec.a() <= 1.0;
+ }
+
+ //! Read vec3 from specified item.
+ static bool gltfReadVec3 (Graphic3d_Vec3d& theVec3,
+ const RWGltf_JsonValue* theVal)
+ {
+ if (theVal == NULL
+ || !theVal->IsArray()
+ || theVal->Size() != 3)
+ {
+ return false;
+ }
+
+ for (int aCompIter = 0; aCompIter < 3; ++aCompIter)
+ {
+ const RWGltf_JsonValue& aGenVal = (*theVal)[aCompIter];
+ if (!aGenVal.IsNumber())
+ {
+ return false;
+ }
+ theVec3[aCompIter] = aGenVal.GetDouble();
+ }
+ return true;
+ }
+
+ //! Validate color
+ static bool validateColor3 (const Graphic3d_Vec3d& theVec)
+ {
+ return theVec.r() >= 0.0 && theVec.r() <= 1.0
+ && theVec.g() >= 0.0 && theVec.g() <= 1.0
+ && theVec.b() >= 0.0 && theVec.b() <= 1.0;
+ }
+
+protected:
+
+ //! Groups for re-using shapes.
+ enum ShapeMapGroup
+ {
+ ShapeMapGroup_Nodes, //!< nodes
+ ShapeMapGroup_Meshes, //!< meshes
+ };
+
+ //! Bind name attribute.
+ void bindNodeShape (TopoDS_Shape& theShape,
+ const TopLoc_Location& theLoc,
+ const TCollection_AsciiString& theNodeId,
+ const RWGltf_JsonValue* theUserName)
+ {
+ bindNamedShape (theShape, ShapeMapGroup_Nodes, theLoc, theNodeId, theUserName);
+ }
+
+ //! Bind name attribute.
+ void bindMeshShape (TopoDS_Shape& theShape,
+ const TCollection_AsciiString& theMeshId,
+ const RWGltf_JsonValue* theUserName)
+ {
+ bindNamedShape (theShape, ShapeMapGroup_Meshes, TopLoc_Location(), theMeshId, theUserName);
+ }
+
+ //! Find named shape.
+ bool findNodeShape (TopoDS_Shape& theShape,
+ const TCollection_AsciiString& theNodeId) const
+ {
+ return findNamedShape (theShape, ShapeMapGroup_Nodes, theNodeId);
+ }
+
+ //! Find named shape.
+ bool findMeshShape (TopoDS_Shape& theShape,
+ const TCollection_AsciiString& theMeshId) const
+ {
+ return findNamedShape (theShape, ShapeMapGroup_Meshes, theMeshId);
+ }
+
+ //! Bind name attribute.
+ Standard_EXPORT void bindNamedShape (TopoDS_Shape& theShape,
+ ShapeMapGroup theGroup,
+ const TopLoc_Location& theLoc,
+ const TCollection_AsciiString& theId,
+ const RWGltf_JsonValue* theUserName);
+
+ //! Find named shape.
+ bool findNamedShape (TopoDS_Shape& theShape,
+ ShapeMapGroup theGroup,
+ const TCollection_AsciiString& theId) const
+ {
+ return myShapeMap[theGroup].Find (theId, theShape);
+ }
+
+ //! Return the string representation of the key.
+ static TCollection_AsciiString getKeyString (const RWGltf_JsonValue& theValue)
+ {
+ if (theValue.IsString())
+ {
+ return TCollection_AsciiString (theValue.GetString());
+ }
+ else if (theValue.IsInt())
+ {
+ return TCollection_AsciiString (theValue.GetInt());
+ }
+ return TCollection_AsciiString();
+ }
+
+protected:
+
+ //! Auxiliary structure for fast look-up of document sub-nodes of specified node.
+ class GltfElementMap
+ {
+ public:
+
+ //! Empty constructor.
+ GltfElementMap() : myRoot (NULL) {}
+
+ //! Return TRUE if this element is NULL.
+ bool IsNull() const { return myRoot == NULL; }
+
+ //! Access this node.
+ const RWGltf_JsonValue* Root() const { return myRoot; }
+
+ //! Find the child node with specified key.
+ const RWGltf_JsonValue* FindChild (const TCollection_AsciiString& theKey)
+ {
+ const RWGltf_JsonValue* aNode = NULL;
+ return myChildren.Find (theKey, aNode)
+ ? aNode
+ : NULL;
+ }
+
+ //! Find the child node with specified key.
+ const RWGltf_JsonValue* FindChild (const RWGltf_JsonValue& theKey)
+ {
+ const TCollection_AsciiString aKey = getKeyString (theKey);
+ if (aKey.IsEmpty())
+ {
+ return NULL;
+ }
+
+ const RWGltf_JsonValue* aNode = NULL;
+ return myChildren.Find (aKey, aNode)
+ ? aNode
+ : NULL;
+ }
+
+ //! Initialize the element.
+ void Init (const TCollection_AsciiString& theRootName,
+ const RWGltf_JsonValue* theRoot);
+
+ private:
+
+ NCollection_DataMap<TCollection_AsciiString, const RWGltf_JsonValue*, TCollection_AsciiString> myChildren;
+ const RWGltf_JsonValue* myRoot;
+
+ };
+#endif
+protected:
+
+ //! Print message about invalid glTF syntax.
+ void reportGltfSyntaxProblem (const TCollection_AsciiString& theMsg, Message_Gravity theGravity);
+
+protected:
+
+ TopTools_SequenceOfShape* myRootShapes; //!< sequence of result root shapes
+ RWMesh_NodeAttributeMap* myAttribMap; //!< shape attributes
+ NCollection_IndexedMap<TCollection_AsciiString>*
+ myExternalFiles; //!< list of external file references
+ RWMesh_CoordinateSystemConverter myCSTrsf; //!< transformation from glTF to OCCT coordinate system
+ TColStd_IndexedDataMapOfStringString* myMetadata; //!< file metadata
+
+ NCollection_DataMap<TCollection_AsciiString, Handle(RWGltf_MaterialMetallicRoughness)> myMaterialsPbr;
+ NCollection_DataMap<TCollection_AsciiString, Handle(RWGltf_MaterialCommon)> myMaterialsCommon;
+ NCollection_DataMap<TCollection_AsciiString, Handle(XCAFDoc_VisMaterial)> myMaterials;
+ NCollection_DataMap<TCollection_AsciiString, TopoDS_Shape> myShapeMap[2];
+
+ NCollection_DataMap<TCollection_AsciiString, bool> myProbedFiles;
+ NCollection_DataMap<TCollection_AsciiString, Handle(NCollection_Buffer)> myDecodedBuffers;
+ NCollection_Vector<TopoDS_Face> myFaceList; //!< face list for loading triangulation
+
+ TCollection_AsciiString myFilePath; //!< file path
+ TCollection_AsciiString myFolder; //!< folder
+ TCollection_AsciiString myErrorPrefix; //!< invalid syntax error prefix
+ int64_t myBinBodyOffset; //!< offset to binary body
+ int64_t myBinBodyLen; //!< binary body length
+ bool myIsBinary; //!< binary document
+ bool myIsGltf1; //!< obsolete glTF 1.0 version format
+ bool myToSkipEmptyNodes; //!< ignore nodes without Geometry
+ bool myUseMeshNameAsFallback; //!< flag to use Mesh name in case if Node name is empty, TRUE by default
+ bool myToProbeHeader; //!< flag to probe header without full reading, FALSE by default
+
+#ifdef HAVE_RAPIDJSON
+ GltfElementMap myGltfRoots[RWGltf_GltfRootElement_NB]; //!< glTF format root elements
+#endif
+
+};
+
+#endif // _RWGltf_GltfJsonParser_HeaderFile
+++ /dev/null
-// Author: Kirill Gavrilov
-// Copyright (c) 2016-2019 OPEN CASCADE SAS
-//
-// This file is part of Open CASCADE Technology software library.
-//
-// This library is free software; you can redistribute it and/or modify it under
-// the terms of the GNU Lesser General Public License version 2.1 as published
-// by the Free Software Foundation, with special exception defined in the file
-// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-// distribution for complete text of the license and disclaimer of any warranty.
-//
-// Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement.
-
-#ifndef _RWGltf_GltfJsonParser_HeaderFile
-#define _RWGltf_GltfJsonParser_HeaderFile
-
-#include <Graphic3d_Vec.hxx>
-#include <Message_Gravity.hxx>
-#include <Message_ProgressScope.hxx>
-#include <NCollection_DataMap.hxx>
-#include <NCollection_IndexedMap.hxx>
-#include <RWGltf_GltfLatePrimitiveArray.hxx>
-#include <RWGltf_GltfBufferView.hxx>
-#include <RWGltf_GltfRootElement.hxx>
-#include <RWGltf_MaterialCommon.hxx>
-#include <RWGltf_MaterialMetallicRoughness.hxx>
-#include <RWMesh_CoordinateSystemConverter.hxx>
-#include <RWMesh_NodeAttributes.hxx>
-#include <TColStd_IndexedDataMapOfStringString.hxx>
-#include <TopoDS_Face.hxx>
-#include <TopTools_SequenceOfShape.hxx>
-
-// workaround name collisions with XLib
-#ifdef None
- #undef None
-#endif
-#ifdef Bool
- #undef Bool
-#endif
-
-#ifdef HAVE_RAPIDJSON
- //#define RAPIDJSON_ASSERT
- #include <rapidjson/document.h>
- #include <rapidjson/prettywriter.h>
- #include <rapidjson/stringbuffer.h>
- #include <rapidjson/istreamwrapper.h>
- #include <rapidjson/ostreamwrapper.h>
-
- typedef rapidjson::Document::ValueType RWGltf_JsonValue;
-#endif
-
-class Message_ProgressIndicator;
-
-//! INTERNAL tool for parsing glTF document (JSON structure).
-class RWGltf_GltfJsonParser
-#ifdef HAVE_RAPIDJSON
-: public rapidjson::Document
-#endif
-{
-public:
-
-#ifdef HAVE_RAPIDJSON
- //! Auxiliary method for formatting error code.
- Standard_EXPORT static const char* FormatParseError (rapidjson::ParseErrorCode theCode);
-#endif
-
-public:
-
- //! Empty constructor.
- Standard_EXPORT RWGltf_GltfJsonParser (TopTools_SequenceOfShape& theRootShapes);
-
- //! Set file path.
- Standard_EXPORT void SetFilePath (const TCollection_AsciiString& theFilePath);
-
- //! Set flag for probing file without complete reading.
- void SetProbeHeader (bool theToProbe) { myToProbeHeader = theToProbe; }
-
- //! Return prefix for reporting issues.
- const TCollection_AsciiString& ErrorPrefix() const { return myErrorPrefix; }
-
- //! Set prefix for reporting issues.
- void SetErrorPrefix (const TCollection_AsciiString& theErrPrefix) { myErrorPrefix = theErrPrefix; }
-
- //! Set map for storing node attributes.
- void SetAttributeMap (RWMesh_NodeAttributeMap& theAttribMap) { myAttribMap = &theAttribMap; }
-
- //! Set list for storing external files.
- void SetExternalFiles (NCollection_IndexedMap<TCollection_AsciiString>& theExternalFiles) { myExternalFiles = &theExternalFiles; }
-
- //! Set metadata map.
- void SetMetadata (TColStd_IndexedDataMapOfStringString& theMetadata) { myMetadata = &theMetadata; }
-
- //! Return transformation from glTF to OCCT coordinate system.
- const RWMesh_CoordinateSystemConverter& CoordinateSystemConverter() const { return myCSTrsf; }
-
- //! Set transformation from glTF to OCCT coordinate system.
- void SetCoordinateSystemConverter (const RWMesh_CoordinateSystemConverter& theConverter) { myCSTrsf = theConverter; }
-
- //! Initialize binary format.
- void SetBinaryFormat (int64_t theBinBodyOffset,
- int64_t theBinBodyLen)
- {
- myIsBinary = true;
- myBinBodyOffset = theBinBodyOffset;
- myBinBodyLen = theBinBodyLen;
- }
-
- //! Set flag to ignore nodes without Geometry, TRUE by default.
- void SetSkipEmptyNodes (bool theToSkip) { myToSkipEmptyNodes = theToSkip; }
-
- //! Set flag to use Mesh name in case if Node name is empty, TRUE by default.
- void SetMeshNameAsFallback (bool theToFallback) { myUseMeshNameAsFallback = theToFallback; }
-
- //! Parse glTF document.
- Standard_EXPORT bool Parse (const Message_ProgressRange& theProgress);
-
- //! Return face list for loading triangulation.
- NCollection_Vector<TopoDS_Face>& FaceList() { return myFaceList; }
-
-protected:
-#ifdef HAVE_RAPIDJSON
- //! Search mandatory root elements in the document.
- //! Return FALSE if some mandatory element is missing.
- Standard_EXPORT bool gltfParseRoots();
-
- //! Parse default scene.
- Standard_EXPORT bool gltfParseScene (const Message_ProgressRange& theProgress);
-
- //! Parse document metadata.
- Standard_EXPORT void gltfParseAsset();
-
-protected:
-
- //! Parse materials defined in the document.
- Standard_EXPORT void gltfParseMaterials();
-
- //! Parse standard material.
- Standard_EXPORT bool gltfParseStdMaterial (Handle(RWGltf_MaterialCommon)& theMat,
- const RWGltf_JsonValue& theMatNode);
-
- //! Parse pbrMetallicRoughness material.
- Standard_EXPORT bool gltfParsePbrMaterial (Handle(RWGltf_MaterialMetallicRoughness)& theMat,
- const RWGltf_JsonValue& theMatNode);
-
- //! Parse common material (KHR_materials_common extension).
- Standard_EXPORT bool gltfParseCommonMaterial (Handle(RWGltf_MaterialCommon)& theMat,
- const RWGltf_JsonValue& theMatNode);
-
- //! Parse texture definition.
- Standard_EXPORT bool gltfParseTexture (Handle(Image_Texture)& theTexture,
- const RWGltf_JsonValue* theTextureId);
-
- //! Parse texture definition in binary buffer of GLB file.
- Standard_EXPORT bool gltfParseTexturInGlbBuffer (Handle(Image_Texture)& theTexture,
- const RWGltf_JsonValue& theBinVal,
- const TCollection_AsciiString& theBufferViewId,
- const RWGltf_JsonValue& theBufferViewName);
-
- //! Parse texture definition in binary buffer of glTF file.
- Standard_EXPORT bool gltfParseTextureInBufferView (Handle(Image_Texture)& theTexture,
- const TCollection_AsciiString& theSourceId,
- const TCollection_AsciiString& theBufferViewhId,
- const RWGltf_JsonValue& theBufferView);
-
- //! Bind material definition to the map.
- Standard_EXPORT void gltfBindMaterial (const Handle(RWGltf_MaterialMetallicRoughness)& theMatPbr,
- const Handle(RWGltf_MaterialCommon)& theMatCommon);
-
-protected:
-
- //! Parse scene array of nodes recursively.
- Standard_EXPORT bool gltfParseSceneNodes (TopTools_SequenceOfShape& theShapeSeq,
- const RWGltf_JsonValue& theSceneNodes,
- const Message_ProgressRange& theProgress);
-
- //! Parse scene node recursively.
- Standard_EXPORT bool gltfParseSceneNode (TopoDS_Shape& theNodeShape,
- const TCollection_AsciiString& theSceneNodeId,
- const RWGltf_JsonValue& theSceneNode,
- const Message_ProgressRange& theProgress);
-
- //! Parse mesh element.
- Standard_EXPORT bool gltfParseMesh (TopoDS_Shape& theMeshShape,
- const TCollection_AsciiString& theMeshId,
- const RWGltf_JsonValue& theMesh);
-
- //! Parse primitive array.
- Standard_EXPORT bool gltfParsePrimArray (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
- const TCollection_AsciiString& theMeshName,
- const RWGltf_JsonValue& thePrimArray);
-
- //! Parse accessor.
- Standard_EXPORT bool gltfParseAccessor (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
- const TCollection_AsciiString& theName,
- const RWGltf_JsonValue& theAccessor,
- const RWGltf_GltfArrayType theType);
-
- //! Parse buffer view.
- Standard_EXPORT bool gltfParseBufferView (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
- const TCollection_AsciiString& theName,
- const RWGltf_JsonValue& theBufferView,
- const RWGltf_GltfAccessor& theAccessor,
- const RWGltf_GltfArrayType theType);
-
- //! Parse buffer.
- Standard_EXPORT bool gltfParseBuffer (const Handle(RWGltf_GltfLatePrimitiveArray)& theMeshData,
- const TCollection_AsciiString& theName,
- const RWGltf_JsonValue& theBuffer,
- const RWGltf_GltfAccessor& theAccessor,
- const RWGltf_GltfBufferView& theView,
- const RWGltf_GltfArrayType theType);
-
-protected:
-
- //! Read vec4 from specified item.
- static bool gltfReadVec4 (Graphic3d_Vec4d& theVec4,
- const RWGltf_JsonValue* theVal)
- {
- if (theVal == NULL
- || !theVal->IsArray()
- || theVal->Size() != 4)
- {
- return false;
- }
-
- for (int aCompIter = 0; aCompIter < 4; ++aCompIter)
- {
- const RWGltf_JsonValue& aGenVal = (*theVal)[aCompIter];
- if (!aGenVal.IsNumber())
- {
- return false;
- }
- theVec4[aCompIter] = aGenVal.GetDouble();
- }
- return true;
- }
-
- //! Validate color
- static bool validateColor4 (const Graphic3d_Vec4d& theVec)
- {
- return theVec.r() >= 0.0 && theVec.r() <= 1.0
- && theVec.g() >= 0.0 && theVec.g() <= 1.0
- && theVec.b() >= 0.0 && theVec.b() <= 1.0
- && theVec.a() >= 0.0 && theVec.a() <= 1.0;
- }
-
- //! Read vec3 from specified item.
- static bool gltfReadVec3 (Graphic3d_Vec3d& theVec3,
- const RWGltf_JsonValue* theVal)
- {
- if (theVal == NULL
- || !theVal->IsArray()
- || theVal->Size() != 3)
- {
- return false;
- }
-
- for (int aCompIter = 0; aCompIter < 3; ++aCompIter)
- {
- const RWGltf_JsonValue& aGenVal = (*theVal)[aCompIter];
- if (!aGenVal.IsNumber())
- {
- return false;
- }
- theVec3[aCompIter] = aGenVal.GetDouble();
- }
- return true;
- }
-
- //! Validate color
- static bool validateColor3 (const Graphic3d_Vec3d& theVec)
- {
- return theVec.r() >= 0.0 && theVec.r() <= 1.0
- && theVec.g() >= 0.0 && theVec.g() <= 1.0
- && theVec.b() >= 0.0 && theVec.b() <= 1.0;
- }
-
-protected:
-
- //! Groups for re-using shapes.
- enum ShapeMapGroup
- {
- ShapeMapGroup_Nodes, //!< nodes
- ShapeMapGroup_Meshes, //!< meshes
- };
-
- //! Bind name attribute.
- void bindNodeShape (TopoDS_Shape& theShape,
- const TopLoc_Location& theLoc,
- const TCollection_AsciiString& theNodeId,
- const RWGltf_JsonValue* theUserName)
- {
- bindNamedShape (theShape, ShapeMapGroup_Nodes, theLoc, theNodeId, theUserName);
- }
-
- //! Bind name attribute.
- void bindMeshShape (TopoDS_Shape& theShape,
- const TCollection_AsciiString& theMeshId,
- const RWGltf_JsonValue* theUserName)
- {
- bindNamedShape (theShape, ShapeMapGroup_Meshes, TopLoc_Location(), theMeshId, theUserName);
- }
-
- //! Find named shape.
- bool findNodeShape (TopoDS_Shape& theShape,
- const TCollection_AsciiString& theNodeId) const
- {
- return findNamedShape (theShape, ShapeMapGroup_Nodes, theNodeId);
- }
-
- //! Find named shape.
- bool findMeshShape (TopoDS_Shape& theShape,
- const TCollection_AsciiString& theMeshId) const
- {
- return findNamedShape (theShape, ShapeMapGroup_Meshes, theMeshId);
- }
-
- //! Bind name attribute.
- Standard_EXPORT void bindNamedShape (TopoDS_Shape& theShape,
- ShapeMapGroup theGroup,
- const TopLoc_Location& theLoc,
- const TCollection_AsciiString& theId,
- const RWGltf_JsonValue* theUserName);
-
- //! Find named shape.
- bool findNamedShape (TopoDS_Shape& theShape,
- ShapeMapGroup theGroup,
- const TCollection_AsciiString& theId) const
- {
- return myShapeMap[theGroup].Find (theId, theShape);
- }
-
- //! Return the string representation of the key.
- static TCollection_AsciiString getKeyString (const RWGltf_JsonValue& theValue)
- {
- if (theValue.IsString())
- {
- return TCollection_AsciiString (theValue.GetString());
- }
- else if (theValue.IsInt())
- {
- return TCollection_AsciiString (theValue.GetInt());
- }
- return TCollection_AsciiString();
- }
-
-protected:
-
- //! Auxiliary structure for fast look-up of document sub-nodes of specified node.
- class GltfElementMap
- {
- public:
-
- //! Empty constructor.
- GltfElementMap() : myRoot (NULL) {}
-
- //! Return TRUE if this element is NULL.
- bool IsNull() const { return myRoot == NULL; }
-
- //! Access this node.
- const RWGltf_JsonValue* Root() const { return myRoot; }
-
- //! Find the child node with specified key.
- const RWGltf_JsonValue* FindChild (const TCollection_AsciiString& theKey)
- {
- const RWGltf_JsonValue* aNode = NULL;
- return myChildren.Find (theKey, aNode)
- ? aNode
- : NULL;
- }
-
- //! Find the child node with specified key.
- const RWGltf_JsonValue* FindChild (const RWGltf_JsonValue& theKey)
- {
- const TCollection_AsciiString aKey = getKeyString (theKey);
- if (aKey.IsEmpty())
- {
- return NULL;
- }
-
- const RWGltf_JsonValue* aNode = NULL;
- return myChildren.Find (aKey, aNode)
- ? aNode
- : NULL;
- }
-
- //! Initialize the element.
- void Init (const TCollection_AsciiString& theRootName,
- const RWGltf_JsonValue* theRoot);
-
- private:
-
- NCollection_DataMap<TCollection_AsciiString, const RWGltf_JsonValue*, TCollection_AsciiString> myChildren;
- const RWGltf_JsonValue* myRoot;
-
- };
-#endif
-protected:
-
- //! Print message about invalid glTF syntax.
- void reportGltfSyntaxProblem (const TCollection_AsciiString& theMsg, Message_Gravity theGravity);
-
-protected:
-
- TopTools_SequenceOfShape* myRootShapes; //!< sequence of result root shapes
- RWMesh_NodeAttributeMap* myAttribMap; //!< shape attributes
- NCollection_IndexedMap<TCollection_AsciiString>*
- myExternalFiles; //!< list of external file references
- RWMesh_CoordinateSystemConverter myCSTrsf; //!< transformation from glTF to OCCT coordinate system
- TColStd_IndexedDataMapOfStringString* myMetadata; //!< file metadata
-
- NCollection_DataMap<TCollection_AsciiString, Handle(RWGltf_MaterialMetallicRoughness)> myMaterialsPbr;
- NCollection_DataMap<TCollection_AsciiString, Handle(RWGltf_MaterialCommon)> myMaterialsCommon;
- NCollection_DataMap<TCollection_AsciiString, Handle(XCAFDoc_VisMaterial)> myMaterials;
- NCollection_DataMap<TCollection_AsciiString, TopoDS_Shape> myShapeMap[2];
-
- NCollection_DataMap<TCollection_AsciiString, bool> myProbedFiles;
- NCollection_DataMap<TCollection_AsciiString, Handle(NCollection_Buffer)> myDecodedBuffers;
- NCollection_Vector<TopoDS_Face> myFaceList; //!< face list for loading triangulation
-
- TCollection_AsciiString myFilePath; //!< file path
- TCollection_AsciiString myFolder; //!< folder
- TCollection_AsciiString myErrorPrefix; //!< invalid syntax error prefix
- int64_t myBinBodyOffset; //!< offset to binary body
- int64_t myBinBodyLen; //!< binary body length
- bool myIsBinary; //!< binary document
- bool myIsGltf1; //!< obsolete glTF 1.0 version format
- bool myToSkipEmptyNodes; //!< ignore nodes without Geometry
- bool myUseMeshNameAsFallback; //!< flag to use Mesh name in case if Node name is empty, TRUE by default
- bool myToProbeHeader; //!< flag to probe header without full reading, FALSE by default
-
-#ifdef HAVE_RAPIDJSON
- GltfElementMap myGltfRoots[RWGltf_GltfRootElement_NB]; //!< glTF format root elements
-#endif
-
-};
-
-#endif // _RWGltf_GltfJsonParser_HeaderFile
projects / occt.git / commitdiff