extern crate rand;
extern crate sdl2;

mod caster;
use caster::Caster;

mod game_state;
use game_state::GameState;

mod event_handler;

use std::error::Error;
use std::time::Duration;

pub fn run() -> Result<(), Box<dyn Error>> {
    let sdl_context = sdl2::init()?;
    let video_subsystem = sdl_context.video()?;
    let mut event_pump = sdl_context.event_pump()?;

    let mut gamestate = GameState::init();
    let mut caster = Caster::init(video_subsystem, "Vash Caster", 800, 600)?;

    while gamestate.running() {
        event_handler::process_events(&mut event_pump, &mut gamestate);
        gamestate.update();
        caster.update(&gamestate)?;

        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 144));
    }

    Ok(())
}

struct Point {
    x: i16,
    y: i16,
}