experiment/src/comps/core/controller.rs

use bevy::{prelude::*, window::CursorGrabMode};
use bevy_rapier3d::prelude::*;

use crate::logic::core::player::player_movement::{
    move_player, PlayerLinearXZState, PlayerLinearYState, PlayerMovementInput,
};

use super::markers::player::Player;

/// System that captures input and fires events
pub fn capture_input(
    keyboard_input: Res<Input<KeyCode>>,
    player_query: Query<
        (
            &mut Velocity,
            &mut ExternalImpulse,
            &mut PlayerLinearYState,
            &mut PlayerLinearXZState,
            &Transform,
        ),
        With<Player>,
    >,
    time: Res<Time>,
) {
    // Don't allocate on each frame. Instead Check if any of the inputs are being pressed and then allocate.
    if keyboard_input.any_pressed([
        KeyCode::A,
        KeyCode::S,
        KeyCode::D,
        KeyCode::W,
        KeyCode::C,
        KeyCode::Space,
    ]) || keyboard_input.any_just_released([
        KeyCode::A,
        KeyCode::S,
        KeyCode::D,
        KeyCode::W,
        KeyCode::C,
        KeyCode::Space,
    ]) {
        let player_movement_input = PlayerMovementInput {
            up: keyboard_input.just_pressed(KeyCode::Space),
            down: keyboard_input.pressed(KeyCode::C),
            left: keyboard_input.pressed(KeyCode::A),
            right: keyboard_input.pressed(KeyCode::D),
            front: keyboard_input.pressed(KeyCode::W),
            back: keyboard_input.pressed(KeyCode::S),
            sprint: keyboard_input.pressed(KeyCode::ShiftLeft),
        };
        move_player(player_movement_input, player_query, time);
    }
}

pub fn capture_cursor(
    mut windows: Query<&mut Window>,
    btn: Res<Input<MouseButton>>,
    key: Res<Input<KeyCode>>,
) {
    let mut window = windows.single_mut();

    if btn.just_pressed(MouseButton::Left) {
        // if you want to use the cursor, but not let it leave the window,
        // use `Confined` mode:
        // window.cursor.grab_mode = CursorGrabMode::Confined;

        // for a game that doesn't use the cursor (like a shooter):
        // use `Locked` mode to keep the cursor in one place
        window.cursor.grab_mode = CursorGrabMode::Locked;
        // also hide the cursor
        window.cursor.visible = false;
    }

    if key.just_pressed(KeyCode::Escape) {
        window.cursor.grab_mode = CursorGrabMode::None;
        // also hide the cursor
        window.cursor.visible = true;
    }
}