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Add a signal to notify when children nodes enter or exit tree

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-Allows more fine grained notifications (hence better performance) than using the global scene tree signals (node added and removed).
-Required for #55950
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reduz 2022-02-02 11:22:11 +01:00
parent 050908626f
commit fbd9599b04
2 changed files with 26 additions and 0 deletions
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12
doc/classes/Node.xml
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@ -726,6 +726,18 @@
</member>
</members>
<signals>
<signal name="child_entered_tree">
<argument index="0" name="node" type="Node" />
<description>
Emitted when a child node enters the scene tree, either because it entered on its own or because this node entered with it.
</description>
</signal>
<signal name="child_exited_tree">
<argument index="0" name="node" type="Node" />
<description>
Emitted when a child node exits the scene tree, either because it exited on its own or because this node exited.
</description>
</signal>
<signal name="ready">
<description>
Emitted when the node is ready. Comes after [method _ready] callback and follows the same rules.