cyber_rider/src/input.rs
2024-06-13 13:00:39 -07:00

98 lines
3.1 KiB
Rust

use bevy::{
input::gamepad::{GamepadAxisChangedEvent, GamepadButtonChangedEvent, GamepadEvent},
prelude::*,
utils::HashSet,
};
use crate::camera::DebugCamOffset;
#[derive(Default, Debug, Resource)]
pub(crate) struct InputState {
pub yaw: f32,
pub throttle: f32,
pub brake: bool,
pub pitch: f32,
}
fn update_debug_cam(mut offset: ResMut<DebugCamOffset>, mut keys: ResMut<ButtonInput<KeyCode>>) {
let keyset: HashSet<_> = keys.get_pressed().collect();
let shifted = keyset.contains(&KeyCode::ShiftLeft) || keyset.contains(&KeyCode::ShiftRight);
for key in keyset {
match key {
KeyCode::ArrowLeft => offset.rot -= 5.0,
KeyCode::ArrowRight => offset.rot += 5.0,
KeyCode::ArrowUp => {
if shifted {
offset.alt += 0.5;
} else {
offset.dist -= 0.5;
}
}
KeyCode::ArrowDown => {
if shifted {
offset.alt -= 0.5;
} else {
offset.dist += 0.5;
}
}
_ => continue,
}
}
if keys.get_just_released().len() > 0 {
let unpressed =
keys.just_released(KeyCode::ShiftLeft) || keys.just_released(KeyCode::ShiftRight);
keys.reset_all();
if shifted && !unpressed {
keys.press(KeyCode::ShiftLeft);
}
}
}
fn update_input(mut events: EventReader<GamepadEvent>, mut istate: ResMut<InputState>) {
for pad_event in events.read() {
match pad_event {
GamepadEvent::Button(button_event) => {
let GamepadButtonChangedEvent {
button_type, value, ..
} = button_event;
match button_type {
GamepadButtonType::RightTrigger2 => istate.throttle = *value,
GamepadButtonType::LeftTrigger2 => istate.throttle = -value,
GamepadButtonType::East => {
if value > &0.5 {
istate.brake = true;
} else {
istate.brake = false;
}
}
_ => info!("unhandled button press: {button_event:?}"),
}
}
GamepadEvent::Axis(axis_event) => {
let GamepadAxisChangedEvent {
axis_type, value, ..
} = axis_event;
match axis_type {
GamepadAxisType::LeftStickX => {
istate.yaw = *value;
}
GamepadAxisType::RightStickY => {
istate.pitch = *value;
}
_ => info!("unhandled axis event: {axis_event:?}"),
}
}
GamepadEvent::Connection(_) => {}
}
}
}
pub struct CyberInputPlugin;
impl Plugin for CyberInputPlugin {
fn build(&self, app: &mut App) {
app.init_resource::<InputState>()
.add_systems(Update, (update_input, update_debug_cam));
}
}