add assimp submodule

1 files changed, 190 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/IFC/IFCProfile.cpp b/src/mesh/assimp-master/code/AssetLib/IFC/IFCProfile.cpp
new file mode 100644
index 0000000..aa31124
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/IFC/IFCProfile.cpp
@@ -0,0 +1,190 @@
+/*
+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  IFCProfile.cpp
+ *  @brief Read profile and curves entities from IFC files
+ */
+
+#ifndef ASSIMP_BUILD_NO_IFC_IMPORTER
+
+#include "IFCUtil.h"
+
+namespace Assimp {
+namespace IFC {
+
+// ------------------------------------------------------------------------------------------------
+void ProcessPolyLine(const Schema_2x3::IfcPolyline& def, TempMesh& meshout, ConversionData& /*conv*/)
+{
+    // this won't produce a valid mesh, it just spits out a list of vertices
+    IfcVector3 t;
+    for(const Schema_2x3::IfcCartesianPoint& cp : def.Points) {
+        ConvertCartesianPoint(t,cp);
+        meshout.mVerts.push_back(t);
+    }
+    meshout.mVertcnt.push_back(static_cast<unsigned int>(meshout.mVerts.size()));
+}
+
+// ------------------------------------------------------------------------------------------------
+bool ProcessCurve(const Schema_2x3::IfcCurve& curve,  TempMesh& meshout, ConversionData& conv)
+{
+    std::unique_ptr<const Curve> cv(Curve::Convert(curve,conv));
+    if (!cv) {
+        IFCImporter::LogWarn("skipping unknown IfcCurve entity, type is ", curve.GetClassName());
+        return false;
+    }
+
+    // we must have a bounded curve at this point
+    if (const BoundedCurve* bc = dynamic_cast<const BoundedCurve*>(cv.get())) {
+        try {
+            bc->SampleDiscrete(meshout);
+        }
+        catch(const  CurveError& cv) {
+            IFCImporter::LogError(cv.mStr, " (error occurred while processing curve)");
+            return false;
+        }
+        meshout.mVertcnt.push_back(static_cast<unsigned int>(meshout.mVerts.size()));
+        return true;
+    }
+
+    IFCImporter::LogError("cannot use unbounded curve as profile");
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+void ProcessClosedProfile(const Schema_2x3::IfcArbitraryClosedProfileDef& def, TempMesh& meshout, ConversionData& conv)
+{
+    ProcessCurve(def.OuterCurve,meshout,conv);
+}
+
+// ------------------------------------------------------------------------------------------------
+void ProcessOpenProfile(const Schema_2x3::IfcArbitraryOpenProfileDef& def, TempMesh& meshout, ConversionData& conv)
+{
+    ProcessCurve(def.Curve,meshout,conv);
+}
+
+// ------------------------------------------------------------------------------------------------
+void ProcessParametrizedProfile(const Schema_2x3::IfcParameterizedProfileDef& def, TempMesh& meshout, ConversionData& conv)
+{
+    if(const Schema_2x3::IfcRectangleProfileDef* const cprofile = def.ToPtr<Schema_2x3::IfcRectangleProfileDef>()) {
+        const IfcFloat x = cprofile->XDim*0.5f, y = cprofile->YDim*0.5f;
+
+        meshout.mVerts.reserve(meshout.mVerts.size()+4);
+        meshout.mVerts.push_back( IfcVector3( x, y, 0.f ));
+        meshout.mVerts.push_back( IfcVector3(-x, y, 0.f ));
+        meshout.mVerts.push_back( IfcVector3(-x,-y, 0.f ));
+        meshout.mVerts.push_back( IfcVector3( x,-y, 0.f ));
+        meshout.mVertcnt.push_back(4);
+    }
+    else if( const Schema_2x3::IfcCircleProfileDef* const circle = def.ToPtr<Schema_2x3::IfcCircleProfileDef>()) {
+        if(def.ToPtr<Schema_2x3::IfcCircleHollowProfileDef>()) {
+            // TODO
+        }
+        const size_t segments = conv.settings.cylindricalTessellation;
+        const IfcFloat delta = AI_MATH_TWO_PI_F/segments, radius = circle->Radius;
+
+        meshout.mVerts.reserve(segments);
+
+        IfcFloat angle = 0.f;
+        for(size_t i = 0; i < segments; ++i, angle += delta) {
+            meshout.mVerts.push_back( IfcVector3( std::cos(angle)*radius, std::sin(angle)*radius, 0.f ));
+        }
+
+        meshout.mVertcnt.push_back(static_cast<unsigned int>(segments));
+    }
+    else if( const Schema_2x3::IfcIShapeProfileDef* const ishape = def.ToPtr<Schema_2x3::IfcIShapeProfileDef>()) {
+        // construct simplified IBeam shape
+        const IfcFloat offset = (ishape->OverallWidth - ishape->WebThickness) / 2;
+        const IfcFloat inner_height = ishape->OverallDepth - ishape->FlangeThickness * 2;
+
+        meshout.mVerts.reserve(12);
+        meshout.mVerts.push_back(IfcVector3(0,0,0));
+        meshout.mVerts.push_back(IfcVector3(0,ishape->FlangeThickness,0));
+        meshout.mVerts.push_back(IfcVector3(offset,ishape->FlangeThickness,0));
+        meshout.mVerts.push_back(IfcVector3(offset,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.push_back(IfcVector3(0,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.push_back(IfcVector3(0,ishape->OverallDepth,0));
+        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,ishape->OverallDepth,0));
+        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.push_back(IfcVector3(offset+ishape->WebThickness,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.push_back(IfcVector3(offset+ishape->WebThickness,ishape->FlangeThickness,0));
+        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,ishape->FlangeThickness,0));
+        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,0,0));
+
+        meshout.mVertcnt.push_back(12);
+    }
+    else {
+        IFCImporter::LogWarn("skipping unknown IfcParameterizedProfileDef entity, type is ", def.GetClassName());
+        return;
+    }
+
+    IfcMatrix4 trafo;
+    ConvertAxisPlacement(trafo, *def.Position);
+    meshout.Transform(trafo);
+}
+
+// ------------------------------------------------------------------------------------------------
+bool ProcessProfile(const Schema_2x3::IfcProfileDef& prof, TempMesh& meshout, ConversionData& conv)
+{
+    if(const Schema_2x3::IfcArbitraryClosedProfileDef* const cprofile = prof.ToPtr<Schema_2x3::IfcArbitraryClosedProfileDef>()) {
+        ProcessClosedProfile(*cprofile,meshout,conv);
+    }
+    else if(const Schema_2x3::IfcArbitraryOpenProfileDef* const copen = prof.ToPtr<Schema_2x3::IfcArbitraryOpenProfileDef>()) {
+        ProcessOpenProfile(*copen,meshout,conv);
+    }
+    else if(const Schema_2x3::IfcParameterizedProfileDef* const cparam = prof.ToPtr<Schema_2x3::IfcParameterizedProfileDef>()) {
+        ProcessParametrizedProfile(*cparam,meshout,conv);
+    }
+    else {
+        IFCImporter::LogWarn("skipping unknown IfcProfileDef entity, type is ", prof.GetClassName());
+        return false;
+    }
+    meshout.RemoveAdjacentDuplicates();
+    if (!meshout.mVertcnt.size() || meshout.mVertcnt.front() <= 1) {
+        return false;
+    }
+    return true;
+}
+
+} // ! IFC
+} // ! Assimp
+
+#endif // ASSIMP_BUILD_NO_IFC_IMPORTER