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martian-chess/src/debug.rs

134 lines
3.7 KiB
Rust

use bevy::{
diagnostic::DiagnosticsStore,
input::{keyboard::KeyboardInput, ButtonState},
utils::{hashbrown::hash_map::Iter, HashMap},
};
use crate::prelude::*;
pub(crate) struct DebugPlugin;
impl Plugin for DebugPlugin {
fn build(&self, app: &mut App) {
app.init_resource::<DebugInfo>()
.add_systems(Startup, init_debug_ui)
.add_systems(
Update,
(
toggle_debug_mode.run_if(on_event::<KeyboardInput>()),
display_diagnostics.run_if(resource_exists::<DebugEnabled>()),
toggle_debug_ui.run_if(resource_changed_or_removed::<DebugEnabled>()),
camera_info.run_if(resource_exists::<DebugEnabled>()),
),
);
}
}
#[derive(Debug, Default, Resource)]
pub(crate) struct DebugInfo(HashMap<String, String>);
impl DebugInfo {
pub fn set(&mut self, key: String, val: String) -> Option<String> {
self.0.insert(key, val)
}
pub fn _get(&self, key: &String) -> Option<&String> {
self.0.get(key)
}
pub fn iter(&self) -> Iter<'_, String, String> {
self.0.iter()
}
}
/// Marker resource used to enable Debug mode when present
#[derive(Debug, Resource, Default)]
pub(crate) struct DebugEnabled;
#[derive(Debug, Component)]
struct DebugRoot;
fn toggle_debug_mode(
mut events: EventReader<KeyboardInput>,
enabled: Option<Res<DebugEnabled>>,
mut commands: Commands,
) {
events
.read()
.filter(
|KeyboardInput {
state, key_code, ..
}| *state == ButtonState::Pressed && *key_code == Some(KeyCode::F3),
)
.for_each(|_| match enabled {
Some(_) => commands.remove_resource::<DebugEnabled>(),
None => commands.insert_resource(DebugEnabled),
});
}
fn toggle_debug_ui(
mut visibility: Query<&mut Visibility, With<DebugRoot>>,
enabled: Option<Res<DebugEnabled>>,
) {
visibility.iter_mut().for_each(|mut vis| {
*vis = match enabled {
Some(_) => Visibility::Visible,
None => Visibility::Hidden,
}
});
}
fn init_debug_ui(mut commands: Commands) {
commands
.spawn((
NodeBundle {
style: Style {
padding: UiRect::all(Val::Px(10.0)),
..default()
},
background_color: Color::BLACK.with_a(0.6).into(),
visibility: Visibility::Hidden,
..default()
},
DebugRoot,
))
.with_children(|parent| {
parent.spawn((
TextBundle {
style: Style { ..default() },
..default()
},
DebugRoot,
));
});
}
fn display_diagnostics(
mut root: Query<&mut Text, With<DebugRoot>>,
diagnostics: Res<DiagnosticsStore>,
debug_infos: Res<DebugInfo>,
) {
root.iter_mut().for_each(|mut text| {
text.sections = diagnostics
.iter()
.map(|d| format!("{}: {:.0}\n", d.name, d.smoothed().unwrap_or(0.0),))
.chain(debug_infos.iter().map(|(k, v)| format!("{}: {}\n", k, v)))
.map(|s| TextSection::new(s, TextStyle { ..default() }))
.collect();
text.sections.sort_unstable_by(|a, b| a.value.cmp(&b.value));
});
}
fn camera_info(mut debug_infos: ResMut<DebugInfo>, cameras: Query<(&Camera, &Name)>) {
let camera_names = cameras
.iter()
.filter(|(c, _)| c.is_active)
.map(|(_, n)| n.as_str())
.collect::<Vec<&str>>()
.iter()
.copied()
.intersperse(", ")
.collect::<String>();
debug_infos.set("Cameras".into(), camera_names);
}