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Diffstat (limited to 'libs/assimp/code/AssetLib/IFC/IFCUtil.h')
| -rw-r--r-- | libs/assimp/code/AssetLib/IFC/IFCUtil.h | 411 |
1 files changed, 0 insertions, 411 deletions
diff --git a/libs/assimp/code/AssetLib/IFC/IFCUtil.h b/libs/assimp/code/AssetLib/IFC/IFCUtil.h deleted file mode 100644 index b5f72a5..0000000 --- a/libs/assimp/code/AssetLib/IFC/IFCUtil.h +++ /dev/null @@ -1,411 +0,0 @@ -/* -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 IFC.cpp - * @brief Implementation of the Industry Foundation Classes loader. - */ - -#ifndef INCLUDED_IFCUTIL_H -#define INCLUDED_IFCUTIL_H - -#include "AssetLib/IFC/IFCReaderGen_2x3.h" -#include "AssetLib/IFC/IFCLoader.h" -#include "AssetLib/Step/STEPFile.h" - -#include <assimp/mesh.h> -#include <assimp/material.h> - -#include <utility> - -struct aiNode; - -namespace Assimp { -namespace IFC { - - typedef double IfcFloat; - - // IfcFloat-precision math data types - typedef aiVector2t<IfcFloat> IfcVector2; - typedef aiVector3t<IfcFloat> IfcVector3; - typedef aiMatrix4x4t<IfcFloat> IfcMatrix4; - typedef aiMatrix3x3t<IfcFloat> IfcMatrix3; - typedef aiColor4t<IfcFloat> IfcColor4; - - -// ------------------------------------------------------------------------------------------------ -// Helper for std::for_each to delete all heap-allocated items in a container -// ------------------------------------------------------------------------------------------------ -template<typename T> -struct delete_fun { - void operator()(T* del) { - delete del; - } -}; - - - -// ------------------------------------------------------------------------------------------------ -// Helper used during mesh construction. Aids at creating aiMesh'es out of relatively few polygons. -// ------------------------------------------------------------------------------------------------ -struct TempMesh { - std::vector<IfcVector3> mVerts; - std::vector<unsigned int> mVertcnt; - - // utilities - aiMesh* ToMesh(); - void Clear(); - void Transform(const IfcMatrix4& mat); - IfcVector3 Center() const; - void Append(const TempMesh& other); - bool IsEmpty() const; - void RemoveAdjacentDuplicates(); - void RemoveDegenerates(); - void FixupFaceOrientation(); - static IfcVector3 ComputePolygonNormal(const IfcVector3* vtcs, size_t cnt, bool normalize = true); - IfcVector3 ComputeLastPolygonNormal(bool normalize = true) const; - void ComputePolygonNormals(std::vector<IfcVector3>& normals, bool normalize = true, size_t ofs = 0) const; - void Swap(TempMesh& other); -}; - -inline -bool TempMesh::IsEmpty() const { - return mVerts.empty() && mVertcnt.empty(); -} - - -// ------------------------------------------------------------------------------------------------ -// Temporary representation of an opening in a wall or a floor -// ------------------------------------------------------------------------------------------------ -struct TempOpening -{ - const IFC::Schema_2x3::IfcSolidModel *solid; - IfcVector3 extrusionDir; - - std::shared_ptr<TempMesh> profileMesh; - std::shared_ptr<TempMesh> profileMesh2D; - - // list of points generated for this opening. This is used to - // create connections between two opposing holes created - // from a single opening instance (two because walls tend to - // have two sides). If !empty(), the other side of the wall - // has already been processed. - std::vector<IfcVector3> wallPoints; - - // ------------------------------------------------------------------------------ - TempOpening() - : solid() - , extrusionDir() - , profileMesh() - { - } - - // ------------------------------------------------------------------------------ - TempOpening(const IFC::Schema_2x3::IfcSolidModel *solid, IfcVector3 extrusionDir, - std::shared_ptr<TempMesh> profileMesh, - std::shared_ptr<TempMesh> profileMesh2D) : - solid(solid), extrusionDir(extrusionDir), profileMesh(std::move(profileMesh)), profileMesh2D(std::move(profileMesh2D)) { - } - - // ------------------------------------------------------------------------------ - void Transform(const IfcMatrix4& mat); // defined later since TempMesh is not complete yet - - - - // ------------------------------------------------------------------------------ - // Helper to sort openings by distance from a given base point - struct DistanceSorter { - - DistanceSorter(const IfcVector3& base) : base(base) {} - - bool operator () (const TempOpening& a, const TempOpening& b) const { - return (a.profileMesh->Center()-base).SquareLength() < (b.profileMesh->Center()-base).SquareLength(); - } - - IfcVector3 base; - }; -}; - - -// ------------------------------------------------------------------------------------------------ -// Intermediate data storage during conversion. Keeps everything and a bit more. -// ------------------------------------------------------------------------------------------------ -struct ConversionData -{ - ConversionData(const STEP::DB& db, const IFC::Schema_2x3::IfcProject& proj, aiScene* out,const IFCImporter::Settings& settings) - : len_scale(1.0) - , angle_scale(-1.0) - , db(db) - , proj(proj) - , out(out) - , settings(settings) - , apply_openings() - , collect_openings() - {} - - ~ConversionData() { - std::for_each(meshes.begin(),meshes.end(),delete_fun<aiMesh>()); - std::for_each(materials.begin(),materials.end(),delete_fun<aiMaterial>()); - } - - IfcFloat len_scale, angle_scale; - bool plane_angle_in_radians; - - const STEP::DB& db; - const IFC::Schema_2x3::IfcProject& proj; - aiScene* out; - - IfcMatrix4 wcs; - std::vector<aiMesh*> meshes; - std::vector<aiMaterial*> materials; - - struct MeshCacheIndex { - const IFC::Schema_2x3::IfcRepresentationItem* item; unsigned int matindex; - MeshCacheIndex() : item(nullptr), matindex(0) { } - MeshCacheIndex(const IFC::Schema_2x3::IfcRepresentationItem* i, unsigned int mi) : item(i), matindex(mi) { } - bool operator == (const MeshCacheIndex& o) const { return item == o.item && matindex == o.matindex; } - bool operator < (const MeshCacheIndex& o) const { return item < o.item || (item == o.item && matindex < o.matindex); } - }; - typedef std::map<MeshCacheIndex, std::set<unsigned int> > MeshCache; - MeshCache cached_meshes; - - typedef std::map<const IFC::Schema_2x3::IfcSurfaceStyle*, unsigned int> MaterialCache; - MaterialCache cached_materials; - - const IFCImporter::Settings& settings; - - // Intermediate arrays used to resolve openings in walls: only one of them - // can be given at a time. apply_openings if present if the current element - // is a wall and needs its openings to be poured into its geometry while - // collect_openings is present only if the current element is an - // IfcOpeningElement, for which all the geometry needs to be preserved - // for later processing by a parent, which is a wall. - std::vector<TempOpening>* apply_openings; - std::vector<TempOpening>* collect_openings; - - std::set<uint64_t> already_processed; -}; - - -// ------------------------------------------------------------------------------------------------ -// Binary predicate to compare vectors with a given, quadratic epsilon. -// ------------------------------------------------------------------------------------------------ -struct FuzzyVectorCompare { - - FuzzyVectorCompare(IfcFloat epsilon) : epsilon(epsilon) {} - bool operator()(const IfcVector3& a, const IfcVector3& b) { - return std::abs((a-b).SquareLength()) < epsilon; - } - - const IfcFloat epsilon; -}; - - -// ------------------------------------------------------------------------------------------------ -// Ordering predicate to totally order R^2 vectors first by x and then by y -// ------------------------------------------------------------------------------------------------ -struct XYSorter { - - // sort first by X coordinates, then by Y coordinates - bool operator () (const IfcVector2&a, const IfcVector2& b) const { - if (a.x == b.x) { - return a.y < b.y; - } - return a.x < b.x; - } -}; - - - -// conversion routines for common IFC entities, implemented in IFCUtil.cpp -void ConvertColor(aiColor4D& out, const Schema_2x3::IfcColourRgb& in); -void ConvertColor(aiColor4D& out, const Schema_2x3::IfcColourOrFactor& in,ConversionData& conv,const aiColor4D* base); -void ConvertCartesianPoint(IfcVector3& out, const Schema_2x3::IfcCartesianPoint& in); -void ConvertDirection(IfcVector3& out, const Schema_2x3::IfcDirection& in); -void ConvertVector(IfcVector3& out, const Schema_2x3::IfcVector& in); -void AssignMatrixAxes(IfcMatrix4& out, const IfcVector3& x, const IfcVector3& y, const IfcVector3& z); -void ConvertAxisPlacement(IfcMatrix4& out, const Schema_2x3::IfcAxis2Placement3D& in); -void ConvertAxisPlacement(IfcMatrix4& out, const Schema_2x3::IfcAxis2Placement2D& in); -void ConvertAxisPlacement(IfcVector3& axis, IfcVector3& pos, const IFC::Schema_2x3::IfcAxis1Placement& in); -void ConvertAxisPlacement(IfcMatrix4& out, const Schema_2x3::IfcAxis2Placement& in, ConversionData& conv); -void ConvertTransformOperator(IfcMatrix4& out, const Schema_2x3::IfcCartesianTransformationOperator& op); -bool IsTrue(const Assimp::STEP::EXPRESS::BOOLEAN& in); -IfcFloat ConvertSIPrefix(const std::string& prefix); - - -// IFCProfile.cpp -bool ProcessProfile(const Schema_2x3::IfcProfileDef& prof, TempMesh& meshout, ConversionData& conv); -bool ProcessCurve(const Schema_2x3::IfcCurve& curve, TempMesh& meshout, ConversionData& conv); - -// IFCMaterial.cpp -unsigned int ProcessMaterials(uint64_t id, unsigned int prevMatId, ConversionData& conv, bool forceDefaultMat); - -// IFCGeometry.cpp -IfcMatrix3 DerivePlaneCoordinateSpace(const TempMesh& curmesh, bool& ok, IfcVector3& norOut); -bool ProcessRepresentationItem(const Schema_2x3::IfcRepresentationItem& item, unsigned int matid, std::set<unsigned int>& mesh_indices, ConversionData& conv); -void AssignAddedMeshes(std::set<unsigned int>& mesh_indices,aiNode* nd,ConversionData& /*conv*/); - -void ProcessSweptAreaSolid(const Schema_2x3::IfcSweptAreaSolid& swept, TempMesh& meshout, - ConversionData& conv); - -void ProcessExtrudedAreaSolid(const Schema_2x3::IfcExtrudedAreaSolid& solid, TempMesh& result, - ConversionData& conv, bool collect_openings); - -// IFCBoolean.cpp - -void ProcessBoolean(const Schema_2x3::IfcBooleanResult& boolean, TempMesh& result, ConversionData& conv); -void ProcessBooleanHalfSpaceDifference(const Schema_2x3::IfcHalfSpaceSolid* hs, TempMesh& result, - const TempMesh& first_operand, - ConversionData& conv); - -void ProcessPolygonalBoundedBooleanHalfSpaceDifference(const Schema_2x3::IfcPolygonalBoundedHalfSpace* hs, TempMesh& result, - const TempMesh& first_operand, - ConversionData& conv); -void ProcessBooleanExtrudedAreaSolidDifference(const Schema_2x3::IfcExtrudedAreaSolid* as, TempMesh& result, - const TempMesh& first_operand, - ConversionData& conv); - - -// IFCOpenings.cpp - -bool GenerateOpenings(std::vector<TempOpening>& openings, - TempMesh& curmesh, - bool check_intersection, - bool generate_connection_geometry, - const IfcVector3& wall_extrusion_axis = IfcVector3(0,1,0)); - - - -// IFCCurve.cpp - -// ------------------------------------------------------------------------------------------------ -// Custom exception for use by members of the Curve class -// ------------------------------------------------------------------------------------------------ -class CurveError { -public: - CurveError(const std::string& s) - : mStr(s) { - // empty - } - - std::string mStr; -}; - -// ------------------------------------------------------------------------------------------------ -// Temporary representation for an arbitrary sub-class of IfcCurve. Used to sample the curves -// to obtain a list of line segments. -// ------------------------------------------------------------------------------------------------ -class Curve { -protected: - Curve(const Schema_2x3::IfcCurve& base_entity, ConversionData& conv) - : base_entity(base_entity) - , conv(conv) { - // empty - } - -public: - typedef std::pair<IfcFloat, IfcFloat> ParamRange; - - virtual ~Curve() {} - - - // check if a curve is closed - virtual bool IsClosed() const = 0; - - // evaluate the curve at the given parametric position - virtual IfcVector3 Eval(IfcFloat p) const = 0; - - // try to match a point on the curve to a given parameter - // for self-intersecting curves, the result is not ambiguous and - // it is undefined which parameter is returned. - virtual bool ReverseEval(const IfcVector3& val, IfcFloat& paramOut) const; - - // get the range of the curve (both inclusive). - // +inf and -inf are valid return values, the curve is not bounded in such a case. - virtual std::pair<IfcFloat,IfcFloat> GetParametricRange() const = 0; - IfcFloat GetParametricRangeDelta() const; - - // estimate the number of sample points that this curve will require - virtual size_t EstimateSampleCount(IfcFloat start,IfcFloat end) const; - - // intelligently sample the curve based on the current settings - // and append the result to the mesh - virtual void SampleDiscrete(TempMesh& out,IfcFloat start,IfcFloat end) const; - -#ifdef ASSIMP_BUILD_DEBUG - // check if a particular parameter value lies within the well-defined range - bool InRange(IfcFloat) const; -#endif - static Curve* Convert(const IFC::Schema_2x3::IfcCurve&,ConversionData& conv); - -protected: - const Schema_2x3::IfcCurve& base_entity; - ConversionData& conv; -}; - - -// -------------------------------------------------------------------------------- -// A BoundedCurve always holds the invariant that GetParametricRange() -// never returns infinite values. -// -------------------------------------------------------------------------------- -class BoundedCurve : public Curve { -public: - BoundedCurve(const Schema_2x3::IfcBoundedCurve& entity, ConversionData& conv) - : Curve(entity,conv) - {} - -public: - - bool IsClosed() const; - -public: - - // sample the entire curve - void SampleDiscrete(TempMesh& out) const; - using Curve::SampleDiscrete; -}; - -// IfcProfile.cpp -bool ProcessCurve(const Schema_2x3::IfcCurve& curve, TempMesh& meshout, ConversionData& conv); -} -} - -#endif |