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/*
 * Copyright (C) Oscar Shrimpton 2020
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/// A thing that pressing a button can do to an input.
#[derive(Debug, Clone, Copy)]
pub enum InputMutation {
    MapToButton,
    NegativeAxis,
    PositiveAxis,
}

/// A key being pressed or released
#[derive(Debug, Clone)]
pub enum Action {
    KeyPress(u8),
    KeyRelease(u8),
}

impl Action {
    pub fn keycode(&self) -> u8 {
        match self {
            Action::KeyPress(x) => *x,
            Action::KeyRelease(x) => *x,
        }
    }
    pub fn is_down(&self) -> bool {
        match self {
            Action::KeyPress(_) => true,
            Action::KeyRelease(_) => false,
        }
    }
}

pub trait InputManager {
    fn handle_frame<'a, X: IntoIterator<Item = &'a Action>>(&mut self, actions: X);
}