PrusaSlicer-NonPlainar/xs/xsp/TriangleMesh.xsp

%module{Slic3r::XS};

%{
#include <myinit.h>
#include "TriangleMesh.hpp"
%}

%name{Slic3r::TriangleMesh::XS} class TriangleMesh {
    TriangleMesh();
    ~TriangleMesh();
    void ReadSTLFile(char* input_file);
    void ReadFromPerl(SV* vertices, SV* facets);
    void Repair();
    void WriteOBJFile(char* output_file);
    void scale(float factor);
%{

SV*
TriangleMesh::stats()
    CODE:
        HV* hv = newHV();
        (void)hv_stores( hv, "number_of_facets",    newSViv(THIS->stl.stats.number_of_facets) );
        (void)hv_stores( hv, "number_of_parts",     newSViv(THIS->stl.stats.number_of_parts) );
        (void)hv_stores( hv, "volume",              newSVnv(THIS->stl.stats.volume) );
        (void)hv_stores( hv, "degenerate_facets",   newSViv(THIS->stl.stats.degenerate_facets) );
        (void)hv_stores( hv, "edges_fixed",         newSViv(THIS->stl.stats.edges_fixed) );
        (void)hv_stores( hv, "facets_removed",      newSViv(THIS->stl.stats.facets_removed) );
        (void)hv_stores( hv, "facets_added",        newSViv(THIS->stl.stats.facets_added) );
        (void)hv_stores( hv, "facets_reversed",     newSViv(THIS->stl.stats.facets_reversed) );
        (void)hv_stores( hv, "backwards_edges",     newSViv(THIS->stl.stats.backwards_edges) );
        (void)hv_stores( hv, "normals_fixed",       newSViv(THIS->stl.stats.normals_fixed) );
        RETVAL = (SV*)newRV_noinc((SV*)hv);
    OUTPUT:
        RETVAL

SV*
TriangleMesh::vertices()
    CODE:
        if (THIS->stl.stats.shared_vertices == 0)
            stl_generate_shared_vertices(&(THIS->stl));
        
        // vertices
        AV* vertices = newAV();
        av_extend(vertices, THIS->stl.stats.shared_vertices);
        for (int i = 0; i < THIS->stl.stats.shared_vertices; i++) {
            AV* vertex = newAV();
            av_store(vertices, i, newRV_noinc((SV*)vertex));
            av_extend(vertex, 2);
            av_store(vertex, 0, newSVnv(THIS->stl.v_shared[i].x));
            av_store(vertex, 1, newSVnv(THIS->stl.v_shared[i].y));
            av_store(vertex, 2, newSVnv(THIS->stl.v_shared[i].z));
        }
        
        RETVAL = newRV_noinc((SV*)vertices);
    OUTPUT:
        RETVAL

SV*
TriangleMesh::facets()
    CODE:
        if (THIS->stl.stats.shared_vertices == 0)
            stl_generate_shared_vertices(&(THIS->stl));
        
        // facets
        AV* facets = newAV();
        av_extend(facets, THIS->stl.stats.number_of_facets);
        for (int i = 0; i < THIS->stl.stats.number_of_facets; i++) {
            AV* facet = newAV();
            av_store(facets, i, newRV_noinc((SV*)facet));
            av_extend(facet, 2);
            av_store(facet, 0, newSVnv(THIS->stl.v_indices[i].vertex[0]));
            av_store(facet, 1, newSVnv(THIS->stl.v_indices[i].vertex[1]));
            av_store(facet, 2, newSVnv(THIS->stl.v_indices[i].vertex[2]));
        }
        
        RETVAL = newRV_noinc((SV*)facets);
    OUTPUT:
        RETVAL

%}
};

%package{Slic3r::TriangleMesh::XS};

%{
PROTOTYPES: DISABLE

std::string
hello_world()
  CODE:
    RETVAL = "Hello world!";
  OUTPUT:
    RETVAL
%}