34 lines
989 B
Rust
34 lines
989 B
Rust
use bevy_ecs::{Entity, FromResources};
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use bevy_property::Properties;
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use std::ops::{Deref, DerefMut};
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#[derive(Debug, Copy, Clone, Eq, PartialEq, Properties)]
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pub struct Parent(pub Entity);
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// TODO: We need to impl either FromResources or Default so Parent can be registered as Properties.
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// This is because Properties deserialize by creating an instance and apply a patch on top.
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// However Parent should only ever be set with a real user-defined entity. Its worth looking into better
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// ways to handle cases like this.
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impl FromResources for Parent {
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fn from_resources(_resources: &bevy_ecs::Resources) -> Self {
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Parent(Entity::from_id(u32::MAX))
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}
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}
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#[derive(Debug, Copy, Clone, Eq, PartialEq)]
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pub struct PreviousParent(pub Option<Entity>);
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impl Deref for Parent {
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type Target = Entity;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl DerefMut for Parent {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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