several fixes and changes

src/user/bin/asteroids/game.rs

@@ -1,23 +1,159 @@
 use crate::system::std::application::Application;
 use async_trait::async_trait;
 use alloc::boxed::Box;
-use alloc::string::String;
+use alloc::format;
+use alloc::string::{String, ToString};
 use alloc::vec::Vec;
+use core::any::Any;
+use crate::{serial_println, std};
 use crate::std::application::Error;
+use crate::std::application::Error::ApplicationError;
+use crate::std::frame::{Position, Dimensions, RenderError, Frame, ColouredChar};
+use crate::std::io::{Color, ColorCode, KeyStroke, Screen, Stdin};
+use crate::std::random::Random;
+use crate::user::lib::libgui::cg_core::{CgComponent, Widget};
+use crate::user::lib::libgui::cg_widgets::{CgContainer, CgIndicatorWidget};
 
+#[derive(Clone)]
 pub struct Player {
 	pub health: u32,
-	pub score: u32
+	pub position: Position,
 }
 impl Player {
 	pub fn new() -> Player {
 		Player {
 			health: 5,
-			score: 0
+			position: Position::new(10, 12)
 		}
 	}
 }
 
+#[derive(Clone)]
 pub struct Game {
-	pub player: Player
+	pub player: Player,
+	pub enemies: Vec<Enemy>,
+	pub score: u32,
 }
+
+#[async_trait]
+impl Application for Game {
+	fn new() -> Self {
+		Self {
+			player: Player::new(),
+			enemies: Vec::new(),
+			score: 0
+		}
+	}
+	async fn run(&mut self, args: Vec<String>) -> Result<(), Error> {
+		let mut spawn_timer: i32 = 0;
+
+		Screen::Application.set_mode().unwrap();
+
+		let mut container_data = CgContainer::new(
+			Position::new(0, 0),
+			Dimensions::new(80, 25),
+			true,
+		);
+
+		let self_ref = Widget::insert(self.clone());
+		container_data.insert("app", self_ref);
+		let self_ref = container_data.fetch("app").unwrap();
+
+		loop {
+			std::time::wait(0.1);
+
+			spawn_timer += 1;
+
+			if spawn_timer >= 8 {
+				spawn_timer = 0;
+				self.enemies.push(Enemy::new(Random::int(1, 21)));
+			}
+
+			self.enemies.retain(|e| {if e.position.x <= 0 {self.score += 1; false } else { true }});
+			self.enemies.iter_mut().for_each(|e| e.position.x -= 1);
+			self.enemies.iter().for_each(|e| { if e.position.x == self.player.position.x && e.position.y == self.player.position.y { self.player.health -= 1; } });
+
+			if self.player.health == 0 {
+				break;
+			}
+
+			if let Some(input_key) = Stdin::try_keystroke() {
+				match input_key {
+					KeyStroke::Char('q') => {
+						break;
+					}
+					KeyStroke::Char('w') => self.player.position.y -= 1,
+					KeyStroke::Char('s') => self.player.position.y += 1,
+					KeyStroke::Char('a') => self.player.position.x -= 1,
+					KeyStroke::Char('d') => self.player.position.x += 1,
+					_ => (),
+				}
+			}
+			self_ref.update(self.clone());
+			if let Ok(frame) = container_data.render() {
+				frame.write_to_screen().unwrap();
+			}
+		}
+
+		let mut frame = Frame::new(Dimensions::new(0, 0), Dimensions::new(80, 25)).map_err(|_| ApplicationError("idk".to_string()))?;
+		let msg = format!("your score was: {}", self.score);
+		msg.chars().enumerate().for_each(|(i, c)| {
+			serial_println!("{}", (80 - msg.len()) / 2 + i);
+			frame[12][(80 - msg.len()) / 2 + i] = ColouredChar {
+				character: c,
+				colour: ColorCode::new(Color::Cyan, Color::Black),
+			}
+		});
+		frame.write_to_screen().unwrap();
+
+		while let KeyStroke::Char(c) = Stdin::keystroke().await {
+			if c == 'q' {
+				break;
+			}
+		}
+
+		Screen::Terminal.set_mode().unwrap();
+		Ok(())
+	}
+}
+
+impl CgComponent for Game {
+	fn render(&self) -> Result<Frame, RenderError> {
+		let mut frame = Frame::new(Dimensions::new(1, 1), Dimensions::new(78, 23))?;
+
+		let pos = self.player.position;
+
+		frame[pos.y][pos.x] = ColouredChar {
+			character: '@',
+			colour: ColorCode::new(Color::Cyan, Color::Black),
+		};
+
+		for i in self.enemies.iter().map(|enemy| enemy.position).collect::<Vec<Position>>() {
+			frame[i.y][i.x] = ColouredChar {
+				character: '*',
+				colour: ColorCode::new(Color::Red, Color::Black),
+			}
+		}
+
+		Ok(frame)
+	}
+
+	fn as_any(&self) -> &dyn Any {
+		self
+	}
+}
+
+
+#[derive(Clone)]
+pub struct Enemy {
+	pub position: Position
+}
+
+impl Enemy {
+	pub fn new(y: usize) -> Enemy {
+		Enemy {
+			position: Position::new(75, y)
+		}
+	}
+}
+

src/user/bin/asteroids/mod.rs

@@ -1,2 +1,2 @@
 mod render;
-mod game;
+pub(crate) mod game;

src/user/bin/grapher.rs

@@ -2,6 +2,7 @@ use alloc::string::{String, ToString};
 use alloc::{format, vec};
 use alloc::vec::Vec;
 use alloc::boxed::Box;
+use alloc::fmt::format;
 use alloc::sync::Arc;
 use core::any::Any;
 use async_trait::async_trait;
@@ -25,6 +26,9 @@ use super::calc;
 const OFFSET_X: i64 = 39;
 const OFFSET_Y: i64 = 10;
 
+use core::f64::consts::E;
+use core::f64::consts::PI;
+
 #[derive(Clone)]
 pub struct Grapher {
     points: Vec<PointF64>,
@@ -155,7 +159,12 @@ impl Grapher {
             let x = x as f64 / 100.0;
 
             let new_eq = equation.chars().map(|c| {
-                if c == 'x' { format!("({})", x) } else { c.to_string() }
+                match c {
+                    'x' => format!("({})", x),
+                    'e' => format!("({})", E),
+                    'π' => format!("({})", PI),
+                    _ => c.to_string(),
+                }
             }).collect::<String>();
 
             let fx = cal.calculate(new_eq);

src/user/bin/shell.rs

@@ -125,6 +125,10 @@ async fn exec() -> Result<(), Error> {
             let mut game = snake::Game::new();
             game.run(args).await?;
         }
+        "asteroids" => {
+            let mut asteroid_game = asteroids::game::Game::new();
+            asteroid_game.run(args).await?;
+        }
         "serial" => {
             let c = Serial::reply_char('e');
             println!("{}", c);
@@ -184,11 +188,8 @@ async fn exec() -> Result<(), Error> {
         }
 		"test_features" => {
             Screen::Application.set_mode().unwrap();
-
             setup_ui().await;
-
-            Screen::Terminal.set_mode().unwrap()
-
+            Screen::Terminal.set_mode().unwrap();
 		}
         _ => {
             return Err(Error::UnknownCommand(
@@ -315,31 +316,6 @@ async fn setup_ui() {
 }
 
 
-async fn test_new_datastore() {
-    let container = Widget::insert(CgContainer::new(
-        Position::new(0, 0),
-        Dimensions::new(80, 25),
-        true,
-    ));
-
-    let textbox = Widget::insert(CgTextBox::new(
-        String::from("test textbox"),
-        String::from("dam"),
-        Position::new(2, 5),
-        Dimensions::new(40, 12),
-        true,
-    ));
-
-    let mut c = textbox.fetch::<CgTextBox>().unwrap();
-    c.content = String::from("dam2");
-    textbox.update(c);
-
-    let c = textbox.fetch::<CgTextBox>().unwrap();
-
-    serial_println!("{}", c.content);
-}
-
-
 
 
 

src/user/lib/libgui/cg_core.rs

@@ -96,7 +96,8 @@ impl Widget {
 
 impl Drop for Widget {
 	fn drop(&mut self) {
-		GUITREE.lock().remove(self);
+		let removed = GUITREE.lock().remove(self);
+		drop(removed);
 	}
 }
 
@@ -136,9 +137,9 @@ impl DataStore {
 		items.get(&id.id).cloned()
 	}
 
-	fn remove(&self, id: &Widget) {
+	fn remove(&self, id: &Widget) -> Option<Arc<Mutex<dyn CgComponent + Send + Sync>>> {
 		let mut items = self.items.lock();
-		items.remove(&id.id);
+		items.remove(&id.id)
 	}
 }
 

src/user/lib/libgui/cg_inputs.rs

@@ -93,31 +93,61 @@ impl CgTextEdit for CgLineEdit {
 #[async_trait]
 impl CgTextInput for CgLineEdit {
     async fn input(&mut self, break_condition: fn(KeyStroke) -> (KeyStroke, Exit), id: &Widget, app: &Widget) -> Result<(String, bool), RenderError> {
-        while let (c, Exit::None) = break_condition(Stdin::keystroke().await) {
-            match c {
-                KeyStroke::Char('\n') => break,
-                KeyStroke::Char('\x08') => self.backspace(),
-                KeyStroke::Backspace => self.backspace(),
-                KeyStroke::Char(c) => self.write_char(c),
-                KeyStroke::Left => self.move_cursor(false),
-                KeyStroke::Right => self.move_cursor(true),
+        loop {
+            match break_condition(Stdin::keystroke().await) {
+                (KeyStroke::Char('\n'), Exit::None) => {
+                    let res = self.text.iter().collect();
+                    self.clear();
+                    id.update(self.clone());
+                    match app.render() {
+                        Ok(frame) => frame.write_to_screen()?,
+                        Err(e) => return Err(e),
+                    }
+                    return Ok((res, false))
+                },
+                (c, Exit::None) => {
+                    match c {
+                        KeyStroke::Char('\x08') => self.backspace(),
+                        KeyStroke::Backspace => self.backspace(),
+                        KeyStroke::Char(c) => self.write_char(c),
+                        KeyStroke::Left => self.move_cursor(false),
+                        KeyStroke::Right => self.move_cursor(true),
+                        _ => (),
+                    }
+
+                    id.update(self.clone());
+                    match app.render() {
+                        Ok(frame) => frame.write_to_screen()?,
+                        Err(e) => return Err(e),
+                    }
+                },
+                (_, Exit::Exit) => {
+                    return Ok((String::new(), true))
+                },
                 _ => (),
             }
-
-            id.update(self.clone());
-            match app.render() {
-                Ok(frame) => frame.write_to_screen()?,
-                Err(e) => return Err(e),
-            }
-        };
-        let res = self.text.iter().collect();
-        self.clear();
-        id.update(self.clone());
-        match app.render() {
-            Ok(frame) => frame.write_to_screen()?,
-            Err(e) => return Err(e),
         }
-        Ok((res, false))
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct CgBoxEdit {
+    pub position: Position,
+    pub dimensions: Dimensions,
+    pub prompt: String,
+    pub text: Vec<char>,
+    pub ptr: Position,
+}
+
+impl CgBoxEdit {
+    pub fn new(position: Position, dimensions: Dimensions, prompt: String) -> CgBoxEdit {
+        CgBoxEdit {
+            position,
+            dimensions,
+            prompt,
+            text: Vec::new(),
+            ptr: Position::new(0, 0)
+        }
     }
 }
 
@@ -137,5 +167,3 @@ impl CgTextInput for CgLineEdit {
 
 
 
-
-

src/user/lib/libgui/cg_widgets.rs

@@ -58,12 +58,7 @@ impl CgOutline for CgContainer {
 
 impl CgComponent for CgContainer {
     fn render(&self) -> Result<Frame, RenderError> {
-        serial_println!("rendering");
-
         let mut result = Frame::new(self.position, self.dimensions)?;
-
-        serial_println!("{:?}", self.elements);
-
         for widget in &self.elements {
             let frame = widget.1.render()?;
             match result.render_bounds_check(&frame, true) { // TODO: this needs to be set to false for production