// ------------------------------------------------------------------------------------------------
void ProcessParametrizedProfile(const IfcParameterizedProfileDef& def, TempMesh& meshout, ConversionData& conv)
{
if(const IfcRectangleProfileDef* const cprofile = def.ToPtr<IfcRectangleProfileDef>()) {
const IfcFloat x = cprofile->XDim*0.5f, y = cprofile->YDim*0.5f;
meshout.verts.reserve(meshout.verts.size()+4);
meshout.verts.push_back( IfcVector3( x, y, 0.f ));
meshout.verts.push_back( IfcVector3(-x, y, 0.f ));
meshout.verts.push_back( IfcVector3(-x,-y, 0.f ));
meshout.verts.push_back( IfcVector3( x,-y, 0.f ));
meshout.vertcnt.push_back(4);
}
else if( const IfcCircleProfileDef* const circle = def.ToPtr<IfcCircleProfileDef>()) {
if( const IfcCircleHollowProfileDef* const hollow = def.ToPtr<IfcCircleHollowProfileDef>()) {
// TODO
}
const size_t segments = 32;
const IfcFloat delta = AI_MATH_TWO_PI_F/segments, radius = circle->Radius;
meshout.verts.reserve(segments);
IfcFloat angle = 0.f;
for(size_t i = 0; i < segments; ++i, angle += delta) {
meshout.verts.push_back( IfcVector3( ::cos(angle)*radius, ::sin(angle)*radius, 0.f ));
}
meshout.vertcnt.push_back(segments);
}
else {
IFCImporter::LogWarn("skipping unknown IfcParameterizedProfileDef entity, type is " + def.GetClassName());
return;
}
IfcMatrix4 trafo;
ConvertAxisPlacement(trafo, *def.Position);
meshout.Transform(trafo);
}
// ------------------------------------------------------------------------------------------------
void ProcessParametrizedProfile(const IfcParameterizedProfileDef& def, TempMesh& meshout, ConversionData& /*conv*/)
{
if(const IfcRectangleProfileDef* const cprofile = def.ToPtr<IfcRectangleProfileDef>()) {
const IfcFloat x = cprofile->XDim*0.5f, y = cprofile->YDim*0.5f;
meshout.verts.reserve(meshout.verts.size()+4);
meshout.verts.push_back( IfcVector3( x, y, 0.f ));
meshout.verts.push_back( IfcVector3(-x, y, 0.f ));
meshout.verts.push_back( IfcVector3(-x,-y, 0.f ));
meshout.verts.push_back( IfcVector3( x,-y, 0.f ));
meshout.vertcnt.push_back(4);
}
else if( const IfcCircleProfileDef* const circle = def.ToPtr<IfcCircleProfileDef>()) {
if(def.ToPtr<IfcCircleHollowProfileDef>()) {
// TODO
}
const size_t segments = 32;
const IfcFloat delta = AI_MATH_TWO_PI_F/segments, radius = circle->Radius;
meshout.verts.reserve(segments);
IfcFloat angle = 0.f;
for(size_t i = 0; i < segments; ++i, angle += delta) {
meshout.verts.push_back( IfcVector3( std::cos(angle)*radius, std::sin(angle)*radius, 0.f ));
}
meshout.vertcnt.push_back(segments);
}
else if( const IfcIShapeProfileDef* const ishape = def.ToPtr<IfcIShapeProfileDef>()) {
// construct simplified IBeam shape
const IfcFloat offset = (ishape->OverallWidth - ishape->WebThickness) / 2;
const IfcFloat inner_height = ishape->OverallDepth - ishape->FlangeThickness * 2;
meshout.verts.reserve(12);
meshout.verts.push_back(IfcVector3(0,0,0));
meshout.verts.push_back(IfcVector3(0,ishape->FlangeThickness,0));
meshout.verts.push_back(IfcVector3(offset,ishape->FlangeThickness,0));
meshout.verts.push_back(IfcVector3(offset,ishape->FlangeThickness + inner_height,0));
meshout.verts.push_back(IfcVector3(0,ishape->FlangeThickness + inner_height,0));
meshout.verts.push_back(IfcVector3(0,ishape->OverallDepth,0));
meshout.verts.push_back(IfcVector3(ishape->OverallWidth,ishape->OverallDepth,0));
meshout.verts.push_back(IfcVector3(ishape->OverallWidth,ishape->FlangeThickness + inner_height,0));
meshout.verts.push_back(IfcVector3(offset+ishape->WebThickness,ishape->FlangeThickness + inner_height,0));
meshout.verts.push_back(IfcVector3(offset+ishape->WebThickness,ishape->FlangeThickness,0));
meshout.verts.push_back(IfcVector3(ishape->OverallWidth,ishape->FlangeThickness,0));
meshout.verts.push_back(IfcVector3(ishape->OverallWidth,0,0));
meshout.vertcnt.push_back(12);
}
else {
IFCImporter::LogWarn("skipping unknown IfcParameterizedProfileDef entity, type is " + def.GetClassName());
return;
}
IfcMatrix4 trafo;
ConvertAxisPlacement(trafo, *def.Position);
meshout.Transform(trafo);
}
