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Add conversions between Visibility and bool (#14784)
# Objective Fixes #14521. ## Solution Added to methods to the VIsibility. ```rs is_visible() -> Result<bool, String> ``` and ```rs visbility_from_bool(bool) -> Visibility ``` ## Testing Ran * `cargo run -p ci -- lints` * `cargo run -p ci -- test` * `cargo run -p ci -- compile` it seems to be working. However I got few error messages :`ERROR bevy_log: could not set global logger and tracing subscriber as they are already set. Consider disabling LogPlugin` in `cargo run -p ci -- test`, even though all test passed. I'm not sure if that's expected behaviour Ps. I'm new to contributing, please correct me if anything is wrong
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@ -21,6 +21,8 @@ use crate::{
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primitives::{Aabb, Frustum, Sphere},
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};
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use thiserror::Error;
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use super::NoCpuCulling;
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/// User indication of whether an entity is visible. Propagates down the entity hierarchy.
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@ -47,6 +49,43 @@ pub enum Visibility {
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Visible,
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}
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/// Enum of errors that could occur during conversion to [`bool`]
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#[non_exhaustive]
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#[derive(Error, Debug)]
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pub enum VisibilityToBoolConversionError {
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#[error("The variant `{0:?}` cannot be converted to a bool")]
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VariantNotSupported(Visibility),
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}
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/// Implements conversion from bool to Visibility
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/// `true` corresponds to [`Visibility::Visible`], while false corresponds to [`Visibility::Hidden`].
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impl From<bool> for Visibility {
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fn from(visible: bool) -> Visibility {
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if visible {
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Visibility::Visible
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} else {
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Visibility::Hidden
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}
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}
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}
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/// Implements conversion from [`Visibility`] to [`bool`]
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/// - returns `Ok(true)` if `Visibility::Visible`
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/// - returns `Ok(false)` if `Visibility::Hidden`
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/// - returns `Err()` if `Visibility::Inherited`
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impl TryFrom<Visibility> for bool {
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type Error = VisibilityToBoolConversionError;
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fn try_from(visible: Visibility) -> Result<Self, Self::Error> {
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match visible {
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Visibility::Hidden => Ok(false),
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Visibility::Visible => Ok(true),
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Visibility::Inherited => Err(VisibilityToBoolConversionError::VariantNotSupported(
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Visibility::Inherited,
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)),
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}
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}
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}
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// Allows `&Visibility == Visibility`
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impl PartialEq<Visibility> for &Visibility {
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#[inline]
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