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#define NOMINMAX
#include <libslic3r/SLA/SupportTreeBuilder.hpp>
#include <libslic3r/SLA/SupportTreeBuildsteps.hpp>
#include <libslic3r/SLA/SupportTreeMesher.hpp>
#include <libslic3r/SLA/Contour3D.hpp>
namespace Slic3r {
namespace sla {
Head::Head(double r_big_mm,
double r_small_mm,
double length_mm,
double penetration,
const Vec3d &direction,
const Vec3d &offset)
: dir(direction)
, pos(offset)
, r_back_mm(r_big_mm)
, r_pin_mm(r_small_mm)
, width_mm(length_mm)
, penetration_mm(penetration)
{
}
Pad::Pad(const TriangleMesh &support_mesh,
const ExPolygons & model_contours,
double ground_level,
const PadConfig & pcfg,
ThrowOnCancel thr)
: cfg(pcfg)
, zlevel(ground_level + pcfg.full_height() - pcfg.required_elevation())
{
thr();
ExPolygons sup_contours;
float zstart = float(zlevel);
float zend = zstart + float(pcfg.full_height() + EPSILON);
pad_blueprint(support_mesh, sup_contours, grid(zstart, zend, 0.1f), thr);
create_pad(sup_contours, model_contours, tmesh, pcfg);
tmesh.translate(0, 0, float(zlevel));
if (!tmesh.empty()) tmesh.require_shared_vertices();
}
const TriangleMesh &SupportTreeBuilder::add_pad(const ExPolygons &modelbase,
const PadConfig & cfg)
{
m_pad = Pad{merged_mesh(), modelbase, ground_level, cfg, ctl().cancelfn};
return m_pad.tmesh;
}
SupportTreeBuilder::SupportTreeBuilder(SupportTreeBuilder &&o)
: m_heads(std::move(o.m_heads))
, m_head_indices{std::move(o.m_head_indices)}
, m_pillars{std::move(o.m_pillars)}
, m_bridges{std::move(o.m_bridges)}
, m_crossbridges{std::move(o.m_crossbridges)}
, m_pad{std::move(o.m_pad)}
, m_meshcache{std::move(o.m_meshcache)}
, m_meshcache_valid{o.m_meshcache_valid}
, m_model_height{o.m_model_height}
, ground_level{o.ground_level}
{}
SupportTreeBuilder::SupportTreeBuilder(const SupportTreeBuilder &o)
: m_heads(o.m_heads)
, m_head_indices{o.m_head_indices}
, m_pillars{o.m_pillars}
, m_bridges{o.m_bridges}
, m_crossbridges{o.m_crossbridges}
, m_pad{o.m_pad}
, m_meshcache{o.m_meshcache}
, m_meshcache_valid{o.m_meshcache_valid}
, m_model_height{o.m_model_height}
, ground_level{o.ground_level}
{}
SupportTreeBuilder &SupportTreeBuilder::operator=(SupportTreeBuilder &&o)
{
m_heads = std::move(o.m_heads);
m_head_indices = std::move(o.m_head_indices);
m_pillars = std::move(o.m_pillars);
m_bridges = std::move(o.m_bridges);
m_crossbridges = std::move(o.m_crossbridges);
m_pad = std::move(o.m_pad);
m_meshcache = std::move(o.m_meshcache);
m_meshcache_valid = o.m_meshcache_valid;
m_model_height = o.m_model_height;
ground_level = o.ground_level;
return *this;
}
SupportTreeBuilder &SupportTreeBuilder::operator=(const SupportTreeBuilder &o)
{
m_heads = o.m_heads;
m_head_indices = o.m_head_indices;
m_pillars = o.m_pillars;
m_bridges = o.m_bridges;
m_crossbridges = o.m_crossbridges;
m_pad = o.m_pad;
m_meshcache = o.m_meshcache;
m_meshcache_valid = o.m_meshcache_valid;
m_model_height = o.m_model_height;
ground_level = o.ground_level;
return *this;
}
void SupportTreeBuilder::add_pillar_base(long pid, double baseheight, double radius)
{
std::lock_guard<Mutex> lk(m_mutex);
assert(pid >= 0 && size_t(pid) < m_pillars.size());
Pillar& pll = m_pillars[size_t(pid)];
m_pedestals.emplace_back(pll.endpt, std::min(baseheight, pll.height),
std::max(radius, pll.r), pll.r);
m_pedestals.back().id = m_pedestals.size() - 1;
m_meshcache_valid = false;
}
const TriangleMesh &SupportTreeBuilder::merged_mesh(size_t steps) const
{
if (m_meshcache_valid) return m_meshcache;
Contour3D merged;
for (auto &head : m_heads) {
if (ctl().stopcondition()) break;
if (head.is_valid()) merged.merge(get_mesh(head, steps));
}
for (auto &pill : m_pillars) {
if (ctl().stopcondition()) break;
merged.merge(get_mesh(pill, steps));
}
for (auto &pedest : m_pedestals) {
if (ctl().stopcondition()) break;
merged.merge(get_mesh(pedest, steps));
}
for (auto &j : m_junctions) {
if (ctl().stopcondition()) break;
merged.merge(get_mesh(j, steps));
}
for (auto &bs : m_bridges) {
if (ctl().stopcondition()) break;
merged.merge(get_mesh(bs, steps));
}
for (auto &bs : m_crossbridges) {
if (ctl().stopcondition()) break;
merged.merge(get_mesh(bs, steps));
}
for (auto &bs : m_diffbridges) {
if (ctl().stopcondition()) break;
merged.merge(get_mesh(bs, steps));
}
for (auto &anch : m_anchors) {
if (ctl().stopcondition()) break;
merged.merge(get_mesh(anch, steps));
}
if (ctl().stopcondition()) {
// In case of failure we have to return an empty mesh
m_meshcache = TriangleMesh();
return m_meshcache;
}
m_meshcache = to_triangle_mesh(merged);
// The mesh will be passed by const-pointer to TriangleMeshSlicer,
// which will need this.
if (!m_meshcache.empty()) m_meshcache.require_shared_vertices();
BoundingBoxf3 &&bb = m_meshcache.bounding_box();
m_model_height = bb.max(Z) - bb.min(Z);
m_meshcache_valid = true;
return m_meshcache;
}
double SupportTreeBuilder::full_height() const
{
if (merged_mesh().empty() && !pad().empty())
return pad().cfg.full_height();
double h = mesh_height();
if (!pad().empty()) h += pad().cfg.required_elevation();
return h;
}
const TriangleMesh &SupportTreeBuilder::merge_and_cleanup()
{
// in case the mesh is not generated, it should be...
auto &ret = merged_mesh();
// Doing clear() does not garantee to release the memory.
m_heads = {};
m_head_indices = {};
m_pillars = {};
m_junctions = {};
m_bridges = {};
return ret;
}
const TriangleMesh &SupportTreeBuilder::retrieve_mesh(MeshType meshtype) const
{
switch(meshtype) {
case MeshType::Support: return merged_mesh();
case MeshType::Pad: return pad().tmesh;
}
return m_meshcache;
}
}} // namespace Slic3r::sla
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