Chore: Refactoring, clean up.

src/main.rs

@@ -3,11 +3,14 @@ use std::time::Duration;
 
 use rand::Rng;
 
-use crate::Direction::{Down, Left, Right, Up};
-use crate::movables::{Movable, Ufo};
+use ufo::Ufo;
 
-mod movables;
+use crate::movable::Movable;
+
+mod movable;
 mod terminal;
+mod ufo;
+mod tank;
 
 const WIDTH: u16 = 160;
 const HEIGHT: u16 = 40;
@@ -20,6 +23,7 @@ const DELAY: Duration = Duration::from_millis(10);
 const UFO_STR: &str = "<=000=>";
 const TANK_STR: &str = "⊆≡≣🠭≣≡⊇";
 
+const VERSION: &str = env!("CARGO_PKG_VERSION");
 
 fn main() {
     let terminal = terminal::setup();
@@ -42,14 +46,6 @@ fn main() {
         }
         thread::sleep(DELAY);
     }
-    // for _ in 0..N_UFOS {
-    //     let mut ufo = Ufo::create();
-    //     while ufo.is_on_screen() {
-    //         ufo.mov(Direction::Left);
-    //         ufo.draw();
-    //         thread::sleep(DELAY);
-    //     }
-    // }
 
     terminal::restore(terminal);
 }
@@ -64,14 +60,3 @@ pub enum Direction {
     Up,
     Down,
 }
-
-impl Direction {
-    fn invert(&self) -> Direction {
-        match self {
-            Left => Right,
-            Right => Left,
-            Up => Down,
-            Down => Up
-        }
-    }
-}

src/movable.rs

@@ -0,0 +1,8 @@
+use crate::Direction;
+
+pub trait Movable<T> {
+    fn create() -> T;
+    fn mov(&mut self, direction: Direction);
+    fn draw(&self);
+    fn is_on_screen(&self) -> bool;
+}

src/tank.rs

@@ -0,0 +1,25 @@
+use crate::movable::Movable;
+use crate::{Direction, TANK_STR, WIDTH};
+
+pub struct Tank {
+    column: u16,
+}
+
+impl Movable<Tank> for Tank {
+    fn create() -> Tank {
+        let column = (WIDTH - TANK_STR.len() as u16) / 2;
+        Tank { column }
+    }
+
+    fn mov(&mut self, direction: Direction) {
+        todo!("Implement tank movement")
+    }
+
+    fn draw(&self) {
+        todo!("Implement drawing tank")
+    }
+
+    fn is_on_screen(&self) -> bool {
+        todo!("Implement tank visibility check")
+    }
+}

src/terminal.rs

@@ -5,7 +5,7 @@ use crossterm::cursor::{Hide, MoveTo, RestorePosition, SavePosition, Show};
 use crossterm::style::Print;
 use crossterm::terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen, SetSize, size};
 
-use crate::{FOOTER_ROW, HEADER_ROW, HEIGHT, WIDTH};
+use crate::{FOOTER_ROW, HEADER_ROW, HEIGHT, VERSION, WIDTH};
 
 pub struct Terminal {
     cols: u16,
@@ -42,7 +42,7 @@ pub fn restore(terminal: Terminal) {
         .expect("Failed to tear down terminal screen");
 }
 
-pub fn write_header() {
+fn write_header() {
     queue!(
         stdout(),
         MoveTo(0,HEADER_ROW),
@@ -51,11 +51,11 @@ pub fn write_header() {
     stdout().flush().expect("Failed to write to terminal");
 }
 
-pub fn write_footer() {
+fn write_footer() {
     queue!(
         stdout(),
         MoveTo(0,FOOTER_ROW),
-        Print(center_text("v0.0.0-dev", None))
+        Print(center_text(format!("v{}",VERSION).as_str(), None))
     ).expect("Failed to write to terminal");
     stdout().flush().expect("Failed to write to terminal");
 }

src/ufo.rs

@@ -1,14 +1,13 @@
 use rand::Rng;
-
-use crate::{Direction, MAX_UFO_ROW, MIN_UFO_ROW, TANK_STR, UFO_STR, WIDTH};
+use crate::{Direction, MAX_UFO_ROW, MIN_UFO_ROW, UFO_STR, WIDTH};
 use crate::Direction::{Down, Left, Right};
+use crate::movable::Movable;
 use crate::terminal::print_str_at;
 
-pub trait Movable<T> {
-    fn create() -> T;
-    fn mov(&mut self, direction: Direction);
-    fn draw(&self);
-    fn is_on_screen(&self) -> bool;
+pub struct Ufo {
+    row: u16,
+    column: i16,
+    direction: Direction,
 }
 
 impl Movable<Ufo> for Ufo {
@@ -85,32 +84,3 @@ impl Movable<Ufo> for Ufo {
         self.column > -(UFO_STR.len() as i16) && self.column < WIDTH as i16
     }
 }
-
-impl Movable<Tank> for Tank {
-    fn create() -> Tank {
-        let column = (WIDTH - TANK_STR.len() as u16) / 2;
-        Tank { column }
-    }
-
-    fn mov(&mut self, direction: Direction) {
-        todo!("Implement tank movement")
-    }
-
-    fn draw(&self) {
-        todo!("Implement drawing tank")
-    }
-
-    fn is_on_screen(&self) -> bool {
-        todo!("Implement tank visibility check")
-    }
-}
-
-pub struct Ufo {
-    row: u16,
-    column: i16,
-    direction: Direction,
-}
-
-pub struct Tank {
-    column: u16,
-}