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https://git.dev.opencascade.org/repos/occt.git
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d9dd07545d
RWObj_MtlReader fixed incorrect folder iteration within findRelativePath(). Fixed discarding texture-only material. RWObj_TriangulationReader::addMesh() - fixed usage of wrong material for flushing previous group.
126 lines
4.8 KiB
C++
126 lines
4.8 KiB
C++
// Author: Kirill Gavrilov
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// Copyright (c) 2019 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _RWObj_TriangulationReader_HeaderFile
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#define _RWObj_TriangulationReader_HeaderFile
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#include <RWObj_Reader.hxx>
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#include <Poly_Triangulation.hxx>
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#include <TopoDS_Compound.hxx>
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//! Interface to store shape attributes into document.
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class RWObj_IShapeReceiver
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{
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public:
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//! @param theShape shape to register
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//! @param theName shape name
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//! @param theMaterial shape material
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//! @param theIsRootShape indicates that this is a root object (free shape)
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virtual void BindNamedShape (const TopoDS_Shape& theShape,
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const TCollection_AsciiString& theName,
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const RWObj_Material* theMaterial,
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const Standard_Boolean theIsRootShape) = 0;
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};
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//! RWObj_Reader implementation dumping OBJ file into Poly_Triangulation.
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class RWObj_TriangulationReader : public RWObj_Reader
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{
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DEFINE_STANDARD_RTTIEXT(RWObj_TriangulationReader, RWObj_Reader)
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public:
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//! Constructor.
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RWObj_TriangulationReader() : myShapeReceiver (NULL), myToCreateShapes (Standard_True) {}
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//! Set flag to create shapes.
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void SetCreateShapes (Standard_Boolean theToCreateShapes) { myToCreateShapes = theToCreateShapes; }
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//! Set shape receiver callback.
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void SetShapeReceiver (RWObj_IShapeReceiver* theReceiver) { myShapeReceiver = theReceiver; }
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//! Create Poly_Triangulation from collected data
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Standard_EXPORT virtual Handle(Poly_Triangulation) GetTriangulation();
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//! Return result shape.
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Standard_EXPORT TopoDS_Shape ResultShape();
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protected:
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//! Flush active sub-mesh.
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Standard_EXPORT virtual Standard_Boolean addMesh (const RWObj_SubMesh& theMesh,
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const RWObj_SubMeshReason theReason) Standard_OVERRIDE;
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//! Retrieve sub-mesh node position.
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virtual gp_Pnt getNode (Standard_Integer theIndex) const Standard_OVERRIDE
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{
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return myNodes.Value (theIndex - 1);
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}
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//! Add new node.
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virtual Standard_Integer addNode (const gp_Pnt& thePnt) Standard_OVERRIDE
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{
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myNodes.Append (thePnt);
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return myNodes.Size();
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}
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//! Ignore normal.
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virtual void setNodeNormal (const Standard_Integer theIndex,
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const Graphic3d_Vec3& theNormal) Standard_OVERRIDE
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{
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myNormals.SetValue (theIndex - 1, theNormal);
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}
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//! Ignore texture coordinates.
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virtual void setNodeUV (const Standard_Integer theIndex,
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const Graphic3d_Vec2& theUV) Standard_OVERRIDE
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{
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myNodesUV.SetValue (theIndex - 1, theUV);
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}
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//! Add element.
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virtual void addElement (Standard_Integer theN1, Standard_Integer theN2, Standard_Integer theN3, Standard_Integer theN4) Standard_OVERRIDE
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{
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myTriangles.Append (Poly_Triangle (theN1, theN2, theN3));
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if (theN4 != -1)
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{
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myTriangles.Append (Poly_Triangle (theN1, theN3, theN4));
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}
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}
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protected:
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//! Add sub-shape into specified shape
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Standard_EXPORT Standard_Boolean addSubShape (TopoDS_Shape& theParent,
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const TopoDS_Shape& theSubShape,
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const Standard_Boolean theToExpandCompound);
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protected:
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NCollection_Vector<gp_Pnt> myNodes; //!< nodes of currently filled triangulation
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NCollection_Vector<Graphic3d_Vec3> myNormals; //!< normals of currently filled triangulation
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NCollection_Vector<Graphic3d_Vec2> myNodesUV; //!< UVs of currently filled triangulation
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NCollection_Vector<Poly_Triangle> myTriangles; //!< indexes of currently filled triangulation
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RWObj_IShapeReceiver* myShapeReceiver; //!< optional shape receiver
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TopoDS_Compound myResultShape; //!< result shape as Compound of objects
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TopoDS_Compound myLastObjectShape; //!< Compound containing current object groups
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TopoDS_Shape myLastGroupShape; //!< current group shape - either a single Face or Compound of Faces
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TCollection_AsciiString myLastGroupName; //!< current group name
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TCollection_AsciiString myLastFaceMaterial;//!< last face material name
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Standard_Boolean myToCreateShapes; //!< create a single triangulation
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};
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#endif // _RWObj_TriangulationReader_HeaderFile
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