1 files changed, 91 insertions, 0 deletions
diff --git a/src/CGAL_Nef_polyhedron.cc b/src/CGAL_Nef_polyhedron.cc
new file mode 100644
index 0000000..975c9a4
--- /dev/null
+++ b/src/CGAL_Nef_polyhedron.cc
@@ -0,0 +1,91 @@
+#include "CGAL_Nef_polyhedron.h"
+#include "cgal.h"
+#include "cgalutils.h"
+#include "printutils.h"
+#include "polyset.h"
+#include "dxfdata.h"
+#include "dxftess.h"
+#include <CGAL/minkowski_sum_3.h>
+#include <CGAL/assertions_behaviour.h>
+#include <CGAL/exceptions.h>
+
+CGAL_Nef_polyhedron& CGAL_Nef_polyhedron::operator+=(const CGAL_Nef_polyhedron &other)
+{
+	if (this->dim == 2) (*this->p2) += (*other.p2);
+	else if (this->dim == 3) (*this->p3) += (*other.p3);
+	return *this;
+}
+
+CGAL_Nef_polyhedron& CGAL_Nef_polyhedron::operator*=(const CGAL_Nef_polyhedron &other)
+{
+	if (this->dim == 2) (*this->p2) *= (*other.p2);
+	else if (this->dim == 3) (*this->p3) *= (*other.p3);
+	return *this;
+}
+
+CGAL_Nef_polyhedron& CGAL_Nef_polyhedron::operator-=(const CGAL_Nef_polyhedron &other)
+{
+	if (this->dim == 2) (*this->p2) -= (*other.p2);
+	else if (this->dim == 3) (*this->p3) -= (*other.p3);
+	return *this;
+}
+
+extern CGAL_Nef_polyhedron2 minkowski2(const CGAL_Nef_polyhedron2 &a, const CGAL_Nef_polyhedron2 &b);
+
+CGAL_Nef_polyhedron &CGAL_Nef_polyhedron::minkowski(const CGAL_Nef_polyhedron &other)
+{
+	CGAL::Failure_behaviour old_behaviour = CGAL::set_error_behaviour(CGAL::THROW_EXCEPTION);
+	try {
+		if (this->dim == 2) (*this->p2) = minkowski2(*this->p2, *other.p2);
+		else if (this->dim == 3) (*this->p3) = CGAL::minkowski_sum_3(*this->p3, *other.p3);
+	}
+	catch (CGAL::Assertion_exception e) {
+		PRINTF("CGAL error in minkowski %s", e.what());
+		CGAL::set_error_behaviour(old_behaviour);
+	}
+	return *this;
+}
+
+int CGAL_Nef_polyhedron::weight() const
+{
+	if (this->dim == 2) return this->p2->explorer().number_of_vertices();
+	if (this->dim == 3) return this->p3->number_of_vertices();
+	return 0;
+}
+
+/*!
+	Creates a new PolySet and initializes it with the data from this polyhedron
+
+	This method is not const since convert_to_Polyhedron() wasn't const
+  in earlier versions of CGAL.
+*/
+PolySet *CGAL_Nef_polyhedron::convertToPolyset()
+{
+	assert(!this->empty());
+	PolySet *ps = NULL;
+	if (this->dim == 2) {
+		ps = new PolySet();
+		DxfData *dd = this->convertToDxfData();
+		ps->is2d = true;
+		dxf_tesselate(ps, *dd, 0, true, false, 0);
+		dxf_border_to_ps(ps, *dd);
+		delete dd;
+	}
+	else if (this->dim == 3) {
+		CGAL_Polyhedron P;
+		this->p3->convert_to_Polyhedron(P);
+		ps = createPolySetFromPolyhedron(P);
+	}
+	return ps;
+}
+
+/*!
+	Deep copy
+*/
+CGAL_Nef_polyhedron CGAL_Nef_polyhedron::copy() const
+{
+	CGAL_Nef_polyhedron copy = *this;
+	if (copy.p2) copy.p2.reset(new CGAL_Nef_polyhedron2(*copy.p2));
+	else if (copy.p3) copy.p3.reset(new CGAL_Nef_polyhedron3(*copy.p3));
+	return copy;
+}