bool loadMeshSTL_ascii(Mesh* mesh, const char* filename, FMatrix3x3& matrix)
{
FILE* f = fopen(filename, "rt");
char buffer[1024];
FPoint3 vertex;
int n = 0;
Point3 v0(0,0,0), v1(0,0,0), v2(0,0,0);
while(fgets_(buffer, sizeof(buffer), f))
{
if (sscanf(buffer, " vertex %f %f %f", &vertex.x, &vertex.y, &vertex.z) == 3)
{
n++;
switch(n)
{
case 1:
v0 = matrix.apply(vertex);
break;
case 2:
v1 = matrix.apply(vertex);
break;
case 3:
v2 = matrix.apply(vertex);
mesh->addFace(v0, v1, v2);
n = 0;
break;
}
}
}
fclose(f);
mesh->finish();
return true;
}
void ArcusCommunication::Private::readMeshGroupMessage(const proto::ObjectList& mesh_group_message)
{
if (mesh_group_message.objects_size() <= 0)
{
return; //Don't slice empty mesh groups.
}
Scene& scene = Application::getInstance().current_slice->scene;
MeshGroup& mesh_group = scene.mesh_groups.at(object_count);
//Load the settings in the mesh group.
for (const cura::proto::Setting& setting : mesh_group_message.settings())
{
mesh_group.settings.add(setting.name(), setting.value());
}
FMatrix3x3 matrix;
for (const cura::proto::Object& object : mesh_group_message.objects())
{
const size_t bytes_per_face = sizeof(FPoint3) * 3; //3 vectors per face.
const size_t face_count = object.vertices().size() / bytes_per_face;
if (face_count <= 0)
{
logWarning("Got an empty mesh. Ignoring it!");
continue;
}
mesh_group.meshes.emplace_back();
Mesh& mesh = mesh_group.meshes.back();
//Load the settings for the mesh.
for (const cura::proto::Setting& setting : object.settings())
{
mesh.settings.add(setting.name(), setting.value());
}
ExtruderTrain& extruder = mesh.settings.get<ExtruderTrain&>("extruder_nr"); //Set the parent setting to the correct extruder.
mesh.settings.setParent(&extruder.settings);
for (size_t face = 0; face < face_count; face++)
{
const std::string data = object.vertices().substr(face * bytes_per_face, bytes_per_face);
const FPoint3* float_vertices = reinterpret_cast<const FPoint3*>(data.data());
Point3 verts[3];
verts[0] = matrix.apply(float_vertices[0]);
verts[1] = matrix.apply(float_vertices[1]);
verts[2] = matrix.apply(float_vertices[2]);
mesh.addFace(verts[0], verts[1], verts[2]);
}
mesh.mesh_name = object.name();
mesh.finish();
}
object_count++;
mesh_group.finalize();
}
void CommandSocket::handleObjectList(cura::proto::ObjectList* list)
{
FMatrix3x3 matrix;
//d->object_count = 0;
//d->object_ids.clear();
d->objects_to_slice.push_back(std::make_shared<MeshGroup>(FffProcessor::getInstance()));
MeshGroup* object_to_slice = d->objects_to_slice.back().get();
for(auto object : list->objects())
{
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR("solid Cura_out\n");
object_to_slice->meshes.push_back(object_to_slice); //Construct a new mesh (with object_to_slice as settings parent object) and put it into MeshGroup's mesh list.
Mesh& mesh = object_to_slice->meshes.back();
int bytes_per_face = BYTES_PER_FLOAT * FLOATS_PER_VECTOR * VECTORS_PER_FACE;
int face_count = object.vertices().size() / bytes_per_face;
for(int i = 0; i < face_count; ++i)
{
//TODO: Apply matrix
std::string data = object.vertices().substr(i * bytes_per_face, bytes_per_face);
const FPoint3* float_vertices = reinterpret_cast<const FPoint3*>(data.data());
Point3 verts[3];
verts[0] = matrix.apply(float_vertices[0]);
verts[1] = matrix.apply(float_vertices[1]);
verts[2] = matrix.apply(float_vertices[2]);
mesh.addFace(verts[0], verts[1], verts[2]);
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" facet normal -1 0 0\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" outer loop\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" vertex "<<INT2MM(verts[0].x) <<" " << INT2MM(verts[0].y) <<" " << INT2MM(verts[0].z) << "\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" vertex "<<INT2MM(verts[1].x) <<" " << INT2MM(verts[1].y) <<" " << INT2MM(verts[1].z) << "\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" vertex "<<INT2MM(verts[2].x) <<" " << INT2MM(verts[2].y) <<" " << INT2MM(verts[2].z) << "\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" endloop\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" endfacet\n");
}
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR("endsolid Cura_out\n");
for(auto setting : object.settings())
{
mesh.setSetting(setting.name(), setting.value());
}
d->object_ids.push_back(object.id());
mesh.finish();
}
for(auto setting : list->settings())
{
object_to_slice->setSetting(setting.name(), setting.value());
}
d->object_count++;
object_to_slice->finalize();
}
bool loadMeshSTL_binary(Mesh* mesh, const char* filename, FMatrix3x3& matrix)
{
FILE* f = fopen(filename, "rb");
fseek(f, 0L, SEEK_END);
long long file_size = ftell(f); //The file size is the position of the cursor after seeking to the end.
rewind(f); //Seek back to start.
size_t face_count = (file_size - 80 - sizeof(uint32_t)) / 50; //Subtract the size of the header. Every face uses exactly 50 bytes.
char buffer[80];
//Skip the header
if (fread(buffer, 80, 1, f) != 1)
{
fclose(f);
return false;
}
uint32_t reported_face_count;
//Read the face count. We'll use it as a sort of redundancy code to check for file corruption.
if (fread(&reported_face_count, sizeof(uint32_t), 1, f) != 1)
{
fclose(f);
return false;
}
if (reported_face_count != face_count)
{
logWarning("Face count reported by file (%s) is not equal to actual face count (%s). File could be corrupt!\n", std::to_string(reported_face_count).c_str(), std::to_string(face_count).c_str());
}
//For each face read:
//float(x,y,z) = normal, float(X,Y,Z)*3 = vertexes, uint16_t = flags
// Every Face is 50 Bytes: Normal(3*float), Vertices(9*float), 2 Bytes Spacer
mesh->faces.reserve(face_count);
mesh->vertices.reserve(face_count);
for (unsigned int i = 0; i < face_count; i++)
{
if (fread(buffer, 50, 1, f) != 1)
{
fclose(f);
return false;
}
float *v= ((float*)buffer)+3;
Point3 v0 = matrix.apply(FPoint3(v[0], v[1], v[2]));
Point3 v1 = matrix.apply(FPoint3(v[3], v[4], v[5]));
Point3 v2 = matrix.apply(FPoint3(v[6], v[7], v[8]));
mesh->addFace(v0, v1, v2);
}
fclose(f);
mesh->finish();
return true;
}
bool loadMeshSTL_binary(Mesh* mesh, const char* filename, FMatrix3x3& matrix)
{
FILE* f = fopen(filename, "rb");
char buffer[80];
uint32_t faceCount;
//Skip the header
if (fread(buffer, 80, 1, f) != 1)
{
fclose(f);
return false;
}
//Read the face count
if (fread(&faceCount, sizeof(uint32_t), 1, f) != 1)
{
fclose(f);
return false;
}
//For each face read:
//float(x,y,z) = normal, float(X,Y,Z)*3 = vertexes, uint16_t = flags
// Every Face is 50 Bytes: Normal(3*float), Vertices(9*float), 2 Bytes Spacer
mesh->faces.reserve(faceCount);
mesh->vertices.reserve(faceCount);
for(unsigned int i=0;i<faceCount;i++)
{
if (fread(buffer, 50, 1, f) != 1)
{
fclose(f);
return false;
}
float *v= ((float*)buffer)+3;
Point3 v0 = matrix.apply(FPoint3(v[0], v[1], v[2]));
Point3 v1 = matrix.apply(FPoint3(v[3], v[4], v[5]));
Point3 v2 = matrix.apply(FPoint3(v[6], v[7], v[8]));
mesh->addFace(v0, v1, v2);
}
fclose(f);
mesh->finish();
return true;
}
void CommandSocket::handleObjectList(cura::proto::ObjectList* list)
{
if (list->objects_size() <= 0)
{
return;
}
FMatrix3x3 matrix;
//private_data->object_count = 0;
//private_data->object_ids.clear();
private_data->objects_to_slice.push_back(std::make_shared<MeshGroup>(FffProcessor::getInstance()));
MeshGroup* meshgroup = private_data->objects_to_slice.back().get();
for (auto setting : list->settings())
{
meshgroup->setSetting(setting.name(), setting.value());
}
for (int extruder_nr = 0; extruder_nr < FffProcessor::getInstance()->getSettingAsCount("machine_extruder_count"); extruder_nr++)
{ // initialize remaining extruder trains and load the defaults
ExtruderTrain* train = meshgroup->createExtruderTrain(extruder_nr); // create new extruder train objects or use already existing ones
SettingRegistry::getInstance()->loadExtruderJSONsettings(extruder_nr, train);
}
for (auto object : list->objects())
{
int bytes_per_face = BYTES_PER_FLOAT * FLOATS_PER_VECTOR * VECTORS_PER_FACE;
int face_count = object.vertices().size() / bytes_per_face;
if (face_count <= 0)
{
logWarning("Got an empty mesh, ignoring it!");
continue;
}
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR("solid Cura_out\n");
int extruder_train_nr = 0; // TODO: make primary extruder configurable!
for (auto setting : object.settings())
{
if (setting.name() == "extruder_nr")
{
extruder_train_nr = std::stoi(setting.value());
break;
}
}
SettingsBase* extruder_train = meshgroup->getExtruderTrain(extruder_train_nr);
meshgroup->meshes.push_back(extruder_train); //Construct a new mesh (with the corresponding extruder train as settings parent object) and put it into MeshGroup's mesh list.
Mesh& mesh = meshgroup->meshes.back();
for (int i = 0; i < face_count; ++i)
{
//TODO: Apply matrix
std::string data = object.vertices().substr(i * bytes_per_face, bytes_per_face);
const FPoint3* float_vertices = reinterpret_cast<const FPoint3*>(data.data());
Point3 verts[3];
verts[0] = matrix.apply(float_vertices[0]);
verts[1] = matrix.apply(float_vertices[1]);
verts[2] = matrix.apply(float_vertices[2]);
mesh.addFace(verts[0], verts[1], verts[2]);
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" facet normal -1 0 0\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" outer loop\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" vertex "<<INT2MM(verts[0].x) <<" " << INT2MM(verts[0].y) <<" " << INT2MM(verts[0].z) << "\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" vertex "<<INT2MM(verts[1].x) <<" " << INT2MM(verts[1].y) <<" " << INT2MM(verts[1].z) << "\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" vertex "<<INT2MM(verts[2].x) <<" " << INT2MM(verts[2].y) <<" " << INT2MM(verts[2].z) << "\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" endloop\n");
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR(" endfacet\n");
}
DEBUG_OUTPUT_OBJECT_STL_THROUGH_CERR("endsolid Cura_out\n");
for (auto setting : object.settings())
{
mesh.setSetting(setting.name(), setting.value());
}
mesh.finish();
}
private_data->object_count++;
meshgroup->finalize();
}