mirror of
https://github.com/bevyengine/bevy
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189ceaf0d3
# Objective There are a lot of doctests that are `ignore`d for no documented reason. And that should be fixed. ## Solution I searched the bevy repo with the regex ` ```[a-z,]*ignore ` in order to find all `ignore`d doctests. For each one of the `ignore`d doctests, I did the following steps: 1. Attempt to remove the `ignored` attribute while still passing the test. I did this by adding hidden dummy structs and imports. 2. If step 1 doesn't work, attempt to replace the `ignored` attribute with the `no_run` attribute while still passing the test. 3. If step 2 doesn't work, keep the `ignored` attribute but add documentation for why the `ignored` attribute was added. --------- Co-authored-by: François <mockersf@gmail.com>
119 lines
3.5 KiB
Rust
119 lines
3.5 KiB
Rust
use crate::ButtonInput;
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use bevy_ecs::system::Res;
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use std::hash::Hash;
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/// Stateful run condition that can be toggled via a input press using [`ButtonInput::just_pressed`].
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///
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/// ```no_run
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/// use bevy::prelude::*;
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/// use bevy::input::common_conditions::input_toggle_active;
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///
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/// fn main() {
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/// App::new()
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/// .add_plugins(DefaultPlugins)
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/// .add_systems(Update, pause_menu.run_if(input_toggle_active(false, KeyCode::Escape)))
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/// .run();
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/// }
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///
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/// fn pause_menu() {
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/// println!("in pause menu");
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/// }
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/// ```
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///
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/// If you want other systems to be able to access whether the toggled state is active,
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/// you should use a custom resource or a state for that:
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/// ```no_run
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/// use bevy::prelude::*;
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/// use bevy::input::common_conditions::input_just_pressed;
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///
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/// #[derive(Resource, Default)]
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/// struct Paused(bool);
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///
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/// fn main() {
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/// App::new()
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/// .add_plugins(DefaultPlugins)
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/// .init_resource::<Paused>()
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/// .add_systems(Update, toggle_pause_state.run_if(input_just_pressed(KeyCode::Escape)))
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/// .add_systems(Update, pause_menu.run_if(|paused: Res<Paused>| paused.0))
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/// .run();
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/// }
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///
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/// fn toggle_pause_state(mut paused: ResMut<Paused>) {
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/// paused.0 = !paused.0;
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/// }
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///
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/// fn pause_menu() {
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/// println!("in pause menu");
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/// }
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///
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/// ```
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pub fn input_toggle_active<T>(
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default: bool,
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input: T,
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) -> impl FnMut(Res<ButtonInput<T>>) -> bool + Clone
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where
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T: Copy + Eq + Hash + Send + Sync + 'static,
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{
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let mut active = default;
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move |inputs: Res<ButtonInput<T>>| {
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active ^= inputs.just_pressed(input);
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active
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}
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}
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/// Run condition that is active if [`ButtonInput::pressed`] is true for the given input.
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pub fn input_pressed<T>(input: T) -> impl FnMut(Res<ButtonInput<T>>) -> bool + Clone
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where
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T: Copy + Eq + Hash + Send + Sync + 'static,
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{
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move |inputs: Res<ButtonInput<T>>| inputs.pressed(input)
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}
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/// Run condition that is active if [`ButtonInput::just_pressed`] is true for the given input.
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///
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/// ```no_run
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/// use bevy::prelude::*;
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/// use bevy::input::common_conditions::input_just_pressed;
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/// fn main() {
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/// App::new()
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/// .add_plugins(DefaultPlugins)
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/// .add_systems(Update, jump.run_if(input_just_pressed(KeyCode::Space)))
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/// .run();
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/// }
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///
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/// # fn jump() {}
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/// ```
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pub fn input_just_pressed<T>(input: T) -> impl FnMut(Res<ButtonInput<T>>) -> bool + Clone
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where
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T: Copy + Eq + Hash + Send + Sync + 'static,
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{
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move |inputs: Res<ButtonInput<T>>| inputs.just_pressed(input)
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}
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/// Run condition that is active if [`ButtonInput::just_released`] is true for the given input.
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pub fn input_just_released<T>(input: T) -> impl FnMut(Res<ButtonInput<T>>) -> bool + Clone
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where
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T: Copy + Eq + Hash + Send + Sync + 'static,
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{
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move |inputs: Res<ButtonInput<T>>| inputs.just_released(input)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use bevy::prelude::{IntoSystemConfigs, KeyCode, Schedule};
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fn test_system() {}
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// Ensure distributive_run_if compiles with the common conditions.
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#[test]
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fn distributive_run_if_compiles() {
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Schedule::default().add_systems(
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(test_system, test_system)
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.distributive_run_if(input_toggle_active(false, KeyCode::Escape))
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.distributive_run_if(input_pressed(KeyCode::Escape))
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.distributive_run_if(input_just_pressed(KeyCode::Escape))
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.distributive_run_if(input_just_released(KeyCode::Escape)),
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);
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}
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}
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