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Better marker component ergonomics with the Bevy Engine

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ItsDoot/bevy_mod_check_filter

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bevy_mod_check_filter

A query filter to allow Enabled-style marker components without losing the ergonomics of ZST-style marker component filtering!

Example

Without bevy_mod_check_filter:

#[derive(Component)]
struct Poisoned;

#[derive(Component)]
struct Name { name: &'static str }

fn all_poisoned(entities: Query<&Name, With<Poisoned>>) {
    // ...
}

With bevy_mod_check_filter:

#[derive(Component)]
struct Poisoned(pub bool);

impl std::ops::Deref for Poisoned {
    type Target = bool;
 
    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

#[derive(Component)]
struct Name { name: &'static str }

fn all_poisoned(entities: Query<&Name, Check<Poisoned, Is<true>>>) {
    // ...
}

// OR with one of the provided type aliases:
fn find_poisoned(entities: Query<&Name, IsTrue<Poisoned>>) {
    // ...
}

License

All code in this repository is dual-licensed under either:

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Better marker component ergonomics with the Bevy Engine

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License

Apache-2.0, MIT licenses found

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LICENSE-APACHE
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LICENSE-MIT

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