add MeshReconstruction dep and some test meshes

src/hole_filling.cpp

@@ -0,0 +1,58 @@
+#include "hole_filling.h"
+#include "util.h"
+#include <MeshReconstruction.h>
+
+
+static std::vector<std::vector<HalfedgeHandle>> findHoles(MyMesh &mesh) {
+	std::vector<std::vector<HalfedgeHandle>> holes;
+	std::set<HalfedgeHandle> ignore;
+	for (HalfedgeHandle it : mesh.halfedges()) {
+		if (mesh.is_boundary(it)
+			&& ignore.find(it) == ignore.end()) {
+			holes.emplace_back();
+			holes.back().push_back(it);
+			ignore.insert(it);
+			for (HalfedgeHandle it2 : HalfedgeLoopRange<MyMesh>(mesh, it)) {
+				holes.back().push_back(it2);
+				ignore.insert(it2);
+			}
+		}
+	}
+	return holes;
+}
+
+
+void fillHoleDumb(MyMesh &mesh, std::vector<HalfedgeHandle> &hole) {
+	mesh.request_vertex_status();
+	mesh.request_edge_status();
+	mesh.request_face_status();
+
+	Point center(0, 0, 0);
+	size_t length = 0;
+	for (HalfedgeHandle it : hole) {
+		VertexHandle vert = mesh.to_vertex_handle(it);
+		center += mesh.point(vert);
+		length++;
+	}
+	center /= length;
+	VertexHandle center_handle = mesh.new_vertex_dirty(center);
+	mesh.set_color(center_handle, mesh.default_color);
+
+	for (HalfedgeHandle it : hole) {
+		mesh.add_face(mesh.from_vertex_handle(it),
+					  mesh.to_vertex_handle(it),
+					  center_handle);
+	}
+}
+
+
+void fillHolesDumb(MyMesh &mesh) {
+	mesh.holes = findHoles(mesh);
+	for (auto hole : mesh.holes) {
+		fillHoleDumb(mesh, hole);
+	}
+}
+
+
+void fillHolesImplicit(MyMesh &mesh) {
+}

src/hole_filling.h

@@ -0,0 +1,13 @@
+#ifndef HOLE_FILLING_H
+#define HOLE_FILLING_H
+
+#include "my_mesh.h"
+#include <vector>
+
+
+void fillHoleDumb(MyMesh &mesh, std::vector<HalfedgeHandle> &hole);
+void fillHolesDumb(MyMesh &mesh);
+void fillHolesImplicit(MyMesh &mesh);
+
+
+#endif