Add the full source of BambuStudio

using version 1.0.10

src/libslic3r/OpenVDBUtils.hpp

@@ -0,0 +1,48 @@
+#ifndef OPENVDBUTILS_HPP
+#define OPENVDBUTILS_HPP
+
+#include <libslic3r/TriangleMesh.hpp>
+
+#ifdef _MSC_VER
+// Suppress warning C4146 in include/gmp.h(2177,31): unary minus operator applied to unsigned type, result still unsigned 
+#pragma warning(push)
+#pragma warning(disable : 4146)
+#endif // _MSC_VER
+#include <openvdb/openvdb.h>
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif // _MSC_VER
+
+namespace Slic3r {
+
+inline Vec3f to_vec3f(const openvdb::Vec3s &v) { return Vec3f{v.x(), v.y(), v.z()}; }
+inline Vec3d to_vec3d(const openvdb::Vec3s &v) { return to_vec3f(v).cast<double>(); }
+inline Vec3i to_vec3i(const openvdb::Vec3I &v) { return Vec3i{int(v[0]), int(v[1]), int(v[2])}; }
+
+// Here voxel_scale defines the scaling of voxels which affects the voxel count.
+// 1.0 value means a voxel for every unit cube. 2 means the model is scaled to
+// be 2x larger and the voxel count is increased by the increment in the scaled
+// volume, thus 4 times. This kind a sampling accuracy selection is not
+// achievable through the Transform parameter. (TODO: or is it?)
+// The resulting grid will contain the voxel_scale in its metadata under the
+// "voxel_scale" key to be used in grid_to_mesh function.
+openvdb::FloatGrid::Ptr mesh_to_grid(const indexed_triangle_set &    mesh,
+                                     const openvdb::math::Transform &tr = {},
+                                     float voxel_scale                  = 1.f,
+                                     float exteriorBandWidth = 3.0f,
+                                     float interiorBandWidth = 3.0f,
+                                     int   flags             = 0);
+
+indexed_triangle_set grid_to_mesh(const openvdb::FloatGrid &grid,
+                                  double                    isovalue   = 0.0,
+                                  double                    adaptivity = 0.0,
+                                  bool relaxDisorientedTriangles = true);
+
+openvdb::FloatGrid::Ptr redistance_grid(const openvdb::FloatGrid &grid,
+                                        double                    iso,
+                                        double ext_range = 3.,
+                                        double int_range = 3.);
+
+} // namespace Slic3r
+
+#endif // OPENVDBUTILS_HPP