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|
/* ************************************************************************** */
/* */
/* . */
/* main.rs / \ */
/* / \ */
/* By: charles <charles.cabergs@gmail.com> /o o \ */
/* / v \ */
/* Created: 2020/06/25 14:38:48 by charles / _ \ */
/* Updated: 2020/06/25 15:35:58 by charles '-----------' */
/* */
/* ************************************************************************** */
use sdl2::ttf;
use sdl2::event::{Event, WindowEvent};
use sdl2::keyboard::Keycode;
use sdl2::pixels::Color;
use sdl2::rect::Rect;
use sdl2::render::{Texture, TextureCreator};
pub mod time;
pub mod scramble;
pub mod history;
use scramble::Scramble;
use history::History;
const WIDTH: u32 = 640;
const HEIGHT: u32 = 480;
const TITLE: &str = "rutikmer";
const FONT_SIZE: u32 = 20;
const CENTER_Y: u32 = HEIGHT / 2;
const CENTER_X: u32 = WIDTH / 2;
const WHITE: Color = Color::RGB(0xff, 0xff, 0xff);
const GREEN: Color = Color::RGB(0x1B, 0x5E, 0x20);
const ORANGE: Color = Color::RGB(0xEF, 0x6C, 0x00);
const BLACK: Color = Color::RGB(0x00, 0x00, 0x00);
const SCRAMBLE_LEN: usize = 14;
const SUMMARY_LEN: usize = 12;
const HISTORY_FILE_PATH: &str = "history.csv";
fn str_to_tex<'a, T>(s: &str, font: &ttf::Font, creator: &'a TextureCreator<T>, bg: Color) -> Texture<'a> {
let surface = font.render(s).shaded(WHITE, bg).unwrap();
creator.create_texture_from_surface(&surface).unwrap()
}
fn pad_rect(rect: &mut Rect, pad: u32) {
rect.resize(rect.width() - pad, rect.height() - pad);
rect.offset(pad as i32 / 2, pad as i32 / 2);
}
fn rect_text(frame: &Rect, len: usize) -> Rect {
let mut rect = *frame;
rect.set_width(len as u32 * FONT_SIZE);
rect.set_height(2 * FONT_SIZE);
if rect.width() > frame.width() {
rect.set_height(rect.height() * (rect.width() / frame.width()));
rect.set_width(frame.width());
}
rect.center_on(frame.center());
rect
}
fn main() {
let sdl = sdl2::init().unwrap();
let ttf = ttf::init().unwrap();
let video_subsys = sdl.video().unwrap();
let window = video_subsys
.window(TITLE, WIDTH, HEIGHT)
.build()
.unwrap();
std::fs::copy(HISTORY_FILE_PATH, HISTORY_FILE_PATH.to_owned() + ".backup").unwrap();
let font = ttf.load_font("font/FiraMono-Regular.ttf", FONT_SIZE as u16).unwrap();
let mut canvas = window.into_canvas().build().unwrap();
let mut event_pump = sdl.event_pump().unwrap();
let tex_creator = canvas.texture_creator();
let mut hist = History::from_csv(HISTORY_FILE_PATH);
let mut timer = time::Timer::new();
let mut scramble = Scramble::new_rand(SCRAMBLE_LEN);
let mut scramble_str = scramble.to_string();
let mut scramble_tex = str_to_tex(&scramble_str, &font, &tex_creator, BLACK);
let mut timer_tex = str_to_tex(&timer.to_string(), &font, &tex_creator, BLACK);
'running: loop {
for e in event_pump.poll_iter() {
match e {
Event::Quit {..} => break 'running,
Event::KeyDown { keycode: Some(Keycode::Space), repeat: false, .. } => {
match timer.state {
time::State::Inactive => {
timer.idle();
},
time::State::Idle => {},
time::State::Active => {
timer.stop();
timer_tex = str_to_tex(&timer.to_string(), &font, &tex_creator, BLACK);
hist.push(&timer, &scramble);
scramble = Scramble::new_rand(SCRAMBLE_LEN);
scramble_str = scramble.to_string();
scramble_tex = str_to_tex(&scramble_str, &font, &tex_creator, BLACK);
},
}
}
Event::KeyUp { keycode: Some(Keycode::Space), repeat: false, .. } => {
if timer.state == time::State::Idle {
timer.start();
}
},
Event::KeyDown { keycode: Some(Keycode::D), repeat: false, .. } => {
if timer.state == time::State::Inactive {
hist.pop();
}
},
Event::KeyDown { keycode: Some(Keycode::U), repeat: false, .. } => {
if timer.state == time::State::Inactive {
hist.undo_pop();
}
},
_ => {}
}
}
let bg_color = match timer.state {
time::State::Inactive => BLACK,
time::State::Idle => ORANGE,
time::State::Active => GREEN,
};
canvas.set_draw_color(bg_color);
canvas.clear();
match timer.state {
time::State::Inactive => {
let mut history_rect = Rect::new(0, 0, WIDTH/ 3, HEIGHT);
let mut scramble_rect = Rect::new(WIDTH as i32 / 3, 0, 2 * WIDTH / 3, HEIGHT / 3);
let mut timer_rect = Rect::new(WIDTH as i32 / 3, HEIGHT as i32 / 3,
2 * WIDTH / 3, 2 * HEIGHT / 3);
canvas.set_draw_color(WHITE);
canvas.draw_rect(history_rect).unwrap();
canvas.draw_rect(scramble_rect).unwrap();
canvas.draw_rect(timer_rect).unwrap();
pad_rect(&mut history_rect, 10);
pad_rect(&mut scramble_rect, 20);
pad_rect(&mut timer_rect, 40);
let scramble_text_rect = rect_text(&scramble_rect, scramble_str.len());
let timer_text_rect = rect_text(&timer_rect, timer.to_string().len());
canvas.copy(&scramble_tex, None, scramble_text_rect).unwrap();
canvas.copy(&timer_tex, None, timer_text_rect).unwrap();
let mut entry_rect = history_rect;
entry_rect.set_height(history_rect.height() / SUMMARY_LEN as u32);
for entry in hist.summarize(SUMMARY_LEN) {
let entry_tex = str_to_tex(&entry.to_string(), &font, &tex_creator, BLACK);
canvas.copy(&entry_tex, None, entry_rect).unwrap();
entry_rect.set_y(entry_rect.y() + history_rect.height() as i32 / SUMMARY_LEN as i32);
}
},
time::State::Idle => {},
time::State::Active => {
let s = timer.to_string();
timer_tex = str_to_tex(&s, &font, &tex_creator, GREEN);
let h: u32 = FONT_SIZE * 2;
let w: u32 = s.len() as u32 * FONT_SIZE;
let dest = Rect::new((CENTER_X - w / 2) as i32, (CENTER_Y - h / 2) as i32, w, h);
canvas.copy(&timer_tex, None, dest).unwrap();
},
}
canvas.present();
if timer.state != time::State::Active {
std::thread::sleep(std::time::Duration::new(0, 40_000_000));
} else {
std::thread::sleep(std::time::Duration::new(0, 10_000_000));
}
}
hist.save_csv(HISTORY_FILE_PATH);
}
/* inactive (all black)
* +------------+---------------------+
* | history | scramble |
* | | |
* | | |
* | | |
* | |---------------------|
* | | |
* | | timer |
* | | |
* | | |
* +------------+---------------------+
* idle (all yellow)
* +------------+---------------------+
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* +------------+---------------------+
* active (all green)
* +------------+---------------------+
* | |
* | |
* | |
* | timer |
* | |
* | |
* | |
* | |
* | |
* +------------+---------------------+
*/
|
