b39817a27c
# Objective Align the hierarchy API between `EntityCommands` and `EntityMut`. Added missing methods to `EntityMut`. Replaced the duplicate `Command` implementations with the ones on `EntityMut` (e.g. The `AddChild` command is now just `world.entity_mut(..).add_child(..)`) Fixed `update_old_parents` not sending `ChildAdded` events. This PR does not add `add_children` to `EntityMut` as I would like to remove it from `EntityCommands` instead in #6942. ## Changelog * Added `add_child`, `set_parent` and `remove_parent` to `EntityMut` * Fixed missing `ChildAdded` events Co-authored-by: devil-ira <justthecooldude@gmail.com>
32 lines
990 B
Rust
32 lines
990 B
Rust
use bevy_ecs::prelude::Entity;
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/// An [`Event`] that is fired whenever there is a change in the world's hierarchy.
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///
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/// [`Event`]: bevy_ecs::event::Event
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub enum HierarchyEvent {
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/// Fired whenever an [`Entity`] is added as a child to a parent.
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ChildAdded {
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/// The child that was added
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child: Entity,
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/// The parent the child was added to
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parent: Entity,
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},
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/// Fired whenever a child [`Entity`] is removed from its parent.
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ChildRemoved {
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/// The child that was removed
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child: Entity,
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/// The parent the child was removed from
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parent: Entity,
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},
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/// Fired whenever a child [`Entity`] is moved to a new parent.
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ChildMoved {
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/// The child that was moved
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child: Entity,
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/// The parent the child was removed from
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previous_parent: Entity,
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/// The parent the child was added to
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new_parent: Entity,
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},
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}
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