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Use std::optional to replace dirty flags for bounding boxes in GLVolume

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This commit is contained in:
enricoturri1966 2021-09-16 10:46:56 +02:00
parent 03a692cfd1
commit 94f92dee84
2 changed files with 15 additions and 25 deletions
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29
src/slic3r/GUI/3DScene.cpp
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@ -375,9 +375,7 @@ const std::array<std::array<float, 4>, 4> GLVolume::MODEL_COLOR = { {
} };
GLVolume::GLVolume(float r, float g, float b, float a)
: m_transformed_bounding_box_dirty(true)
, m_sla_shift_z(0.0)
, m_transformed_convex_hull_bounding_box_dirty(true)
: m_sla_shift_z(0.0)
, m_sinking_contours(*this)
// geometry_id == 0 -> invalid
, geometry_id(std::pair<size_t, size_t>(0, 0))
@ -501,27 +499,22 @@ bool GLVolume::is_left_handed() const
const BoundingBoxf3& GLVolume::transformed_bounding_box() const
{
const BoundingBoxf3& box = bounding_box();
assert(box.defined || box.min(0) >= box.max(0) || box.min(1) >= box.max(1) || box.min(2) >= box.max(2));
BoundingBoxf3* transformed_bounding_box = const_cast<BoundingBoxf3*>(&m_transformed_bounding_box);
bool* transformed_bounding_box_dirty = const_cast<bool*>(&m_transformed_bounding_box_dirty);
if (*transformed_bounding_box_dirty) {
*transformed_bounding_box = box.transformed(world_matrix());
*transformed_bounding_box_dirty = false;
if (!m_transformed_bounding_box.has_value()) {
const BoundingBoxf3& box = bounding_box();
assert(box.defined || box.min.x() >= box.max.x() || box.min.y() >= box.max.y() || box.min.z() >= box.max.z());
std::optional<BoundingBoxf3>* trans_box = const_cast<std::optional<BoundingBoxf3>*>(&m_transformed_bounding_box);
*trans_box = box.transformed(world_matrix());
}
return *transformed_bounding_box;
return *m_transformed_bounding_box;
}
const BoundingBoxf3& GLVolume::transformed_convex_hull_bounding_box() const
{
BoundingBoxf3* transformed_convex_hull_bounding_box = const_cast<BoundingBoxf3*>(&m_transformed_convex_hull_bounding_box);
bool* transformed_convex_hull_bounding_box_dirty = const_cast<bool*>(&m_transformed_convex_hull_bounding_box_dirty);
if (*transformed_convex_hull_bounding_box_dirty) {
*transformed_convex_hull_bounding_box = this->transformed_convex_hull_bounding_box(world_matrix());
*transformed_convex_hull_bounding_box_dirty = false;
if (!m_transformed_convex_hull_bounding_box.has_value()) {
std::optional<BoundingBoxf3>* trans_box = const_cast<std::optional<BoundingBoxf3>*>(&m_transformed_convex_hull_bounding_box);
*trans_box = transformed_convex_hull_bounding_box(world_matrix());
}
return *transformed_convex_hull_bounding_box;
return *m_transformed_convex_hull_bounding_box;
}
BoundingBoxf3 GLVolume::transformed_convex_hull_bounding_box(const Transform3d &trafo) const