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use bevy::{prelude::*, utils::HashSet};
use crossterm::event::{Event, KeyCode};
use std::sync::{Arc, Mutex};
/// Resource containing currently pressed and released keys
#[derive(Resource, Default)]
pub struct TerminalInput {
pressed_keys: HashSet<KeyCode>,
just_pressed_keys: HashSet<KeyCode>,
just_released_keys: HashSet<KeyCode>,
}
impl TerminalInput {
/// Gets whether the given key is pressed
pub fn is_pressed(&self, code: KeyCode) -> bool {
self.pressed_keys.contains(&code)
}
/// Gets whether the given key was just pressed
pub fn just_pressed(&self, code: KeyCode) -> bool {
self.just_pressed_keys.contains(&code)
}
/// Gets whether the given key was just released
pub fn just_released(&self, code: KeyCode) -> bool {
self.just_released_keys.contains(&code)
}
/// Sets given key to pressed
pub(super) fn press(&mut self, code: KeyCode) {
if !self.pressed_keys.contains(&code) {
self.pressed_keys.insert(code);
self.just_pressed_keys.insert(code);
}
}
/// Sets given key to released and removes pressed state
pub(super) fn release(&mut self, code: KeyCode) {
self.pressed_keys.remove(&code);
self.just_released_keys.insert(code);
}
/// Clears all just released keys
pub(super) fn clear_just_released(&mut self) {
self.just_released_keys.clear();
}
/// Clears all just pressed keys
pub(super) fn clear_just_pressed(&mut self) {
self.just_pressed_keys.clear();
}
}
/// Event queue for crossterm input event thread
#[derive(Resource, Default)]
pub(crate) struct EventQueue(pub(super) Arc<Mutex<Vec<Event>>>);
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