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Raycaster can now handle multiple volumes

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This is necessary for future FDM supports gizmo. SLA objects only have one volume, so it wasn't needed until now.
This commit is contained in:
Lukas Matena 2020-04-06 13:59:28 +02:00
parent bf734c8f68
commit d9e5721cb7
2 changed files with 33 additions and 12 deletions
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38
src/slic3r/GUI/Gizmos/GLGizmosCommon.cpp
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@ -198,21 +198,41 @@ void Raycaster::on_update()
if (! mo)
return;
const TriangleMesh* mesh = &mo->volumes.front()->mesh();
const HollowedMesh* hollowed_mesh_tracker = get_pool()->hollowed_mesh();
if (hollowed_mesh_tracker && hollowed_mesh_tracker->get_hollowed_mesh())
mesh = hollowed_mesh_tracker->get_hollowed_mesh();
std::vector<const TriangleMesh*> meshes;
const std::vector<ModelVolume*>& mvs = mo->volumes;
if (mvs.size() == 1) {
assert(mvs.front()->is_model_part());
const HollowedMesh* hollowed_mesh_tracker = get_pool()->hollowed_mesh();
if (hollowed_mesh_tracker && hollowed_mesh_tracker->get_hollowed_mesh())
meshes.push_back(hollowed_mesh_tracker->get_hollowed_mesh());
}
if (meshes.empty()) {
for (const ModelVolume* mv : mvs) {
if (mv->is_model_part())
meshes.push_back(&mv->mesh());
}
}
if (mesh != m_old_mesh) {
m_raycaster.reset(new MeshRaycaster(*mesh));
m_old_mesh = mesh;
if (meshes != m_old_meshes) {
m_raycasters.clear();
for (const TriangleMesh* mesh : meshes)
m_raycasters.emplace_back(new MeshRaycaster(*mesh));
m_old_meshes = meshes;
}
}
void Raycaster::on_release()
{
m_raycaster.reset();
m_old_mesh = nullptr;
m_raycasters.clear();
m_old_meshes.clear();
}
std::vector<const MeshRaycaster*> Raycaster::raycasters() const
{
std::vector<const MeshRaycaster*> mrcs;
for (const auto& raycaster_unique_ptr : m_raycasters)
mrcs.push_back(raycaster_unique_ptr.get());
return mrcs;
}