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Core: Add Node::iterate_children as a fast way to iterate a node's children, without needing allocations or get_child.

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Adds `Iterable` class to templates.
This commit is contained in:
Lukas Tenbrink
2025-06-10 18:43:25 +02:00
parent 6f2ab528ca
commit 175c38d0dc
4 changed files with 101 additions and 13 deletions
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15
scene/main/scene_tree_fti.cpp
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@@ -465,19 +465,12 @@ void SceneTreeFTI::_update_dirty_nodes(Node *p_node, uint32_t p_current_half_fra
return;
}
// Temporary direct access to children cache for speed.
// Maybe replaced later by a more generic fast access method
// for children.
p_node->_update_children_cache();
Span<Node *> children = p_node->data.children_cache.span();
uint32_t num_children = children.size();
// Not a Node3D.
// Could be e.g. a viewport or something
// so we should still recurse to children.
if (!s) {
for (uint32_t n = 0; n < num_children; n++) {
_update_dirty_nodes(children.ptr()[n], p_current_half_frame, p_interpolation_fraction, p_active, nullptr, p_depth + 1);
for (Node *node : p_node->iterate_children()) {
_update_dirty_nodes(node, p_current_half_frame, p_interpolation_fraction, p_active, nullptr, p_depth + 1);
}
return;
}
@@ -592,8 +585,8 @@ void SceneTreeFTI::_update_dirty_nodes(Node *p_node, uint32_t p_current_half_fra
s->_clear_dirty_bits(Node3D::DIRTY_GLOBAL_INTERPOLATED_TRANSFORM);
// Recurse to children.
for (uint32_t n = 0; n < num_children; n++) {
_update_dirty_nodes(children.ptr()[n], p_current_half_frame, p_interpolation_fraction, p_active, s->data.fti_global_xform_interp_set ? &s->data.global_transform_interpolated : &s->data.global_transform, p_depth + 1);
for (Node *node : p_node->iterate_children()) {
_update_dirty_nodes(node, p_current_half_frame, p_interpolation_fraction, p_active, s->data.fti_global_xform_interp_set ? &s->data.global_transform_interpolated : &s->data.global_transform, p_depth + 1);
}
}