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pub mod core;
pub mod rendering;
pub mod input;

pub use crate::core::*;
pub use crate::rendering::*;
pub use crate::input::*;

pub use storm::{DisplayMode, Vsync};

use storm::*;
use storm::time::*;

static mut _GAME: Option<Box<dyn Game>> = None;
static mut _SETTINGS: Option<GameSettings> = None;

pub fn start(game: Box<dyn Game>, settings: GameSettings) {
    unsafe {
        _GAME = Some(game);
        _SETTINGS = Some(settings.clone());
    }
    
    Engine::start(settings.render_settings, run);
}

fn run(mut storm: Engine) {
    let (mut game, mut settings) = unsafe {
        (_GAME.take().unwrap(), _SETTINGS.take().unwrap())
    };
    
    let mut clock = Clock::new(settings.tick_rate);
    let mut is_active = true;
    let mut input = Input::new();
    let mut render_engine = RenderEngine::new(settings.render_settings);
    
    while is_active {
        input.update(&mut storm);
        
        if input.is_close_requested() {
            is_active = false;
            break;
        }
        
        game.update(clock.get_delta());
        
        render_engine.update(&mut storm, &mut game);
        
        clock.tick();
    }
}