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"282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d" +dependencies = [ + "windows-targets", +] + [[package]] name = "windows-sys" version = "0.59.0" diff --git a/Cargo.toml b/Cargo.toml index 06b0ba7..cfd1973 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -10,6 +10,8 @@ dead_code = "allow" log = "0.4.22" env_logger = "0.11.5" anyhow = "1.0.93" +ratatui = "0.29.0" +crossterm = "0.28.1" [dev-dependencies] -pretty_assertions = "1.4.1" \ No newline at end of file +pretty_assertions = "1.4.1" diff --git a/src/display.rs b/src/display.rs index 1e80dc6..5427e1e 100644 --- a/src/display.rs +++ b/src/display.rs @@ -1,3 +1,9 @@ +use ratatui::DefaultTerminal; +use ratatui::style::{Color, Style}; +use ratatui::symbols::Marker; +use ratatui::widgets::{Block, Borders, Paragraph}; +use ratatui::widgets::canvas::Canvas; + /// Represents the display's width in pixels. const DISPLAY_WIDTH: usize = 64; @@ -7,12 +13,12 @@ const DISPLAY_HEIGHT: usize = 32; /// Display trait pub trait Display { /// Re-draws the display. - fn clear(&self); + fn clear(&mut self); /// Renders the display data on screen. fn render(&mut self, display_data: &[bool; DISPLAY_WIDTH * DISPLAY_HEIGHT]); } -/// Display models the Chip8's display. +/// Simple terminal display for the Chip8's emulator. pub struct TerminalDisplay { } @@ -24,7 +30,7 @@ impl TerminalDisplay { impl Display for TerminalDisplay { /// Re-draws the display. - fn clear(&self) { + fn clear(&mut self) { // ANSI Escape code to move cursor to row 1 column 1 // See https://stackoverflow.com/a/4062051 print!("{esc}[2J{esc}[1;1H", esc = 27 as char); @@ -34,7 +40,7 @@ impl Display for TerminalDisplay { for row in 0..32 { for column in 0..64 { if display_data[row * DISPLAY_WIDTH + column] { - print!("#") + print!("█") } else { print!(" ") } @@ -43,3 +49,52 @@ impl Display for TerminalDisplay { } } } + +/// Ratatui based TUI display. +pub struct RatatuiDisplay { + terminal: DefaultTerminal +} + +impl RatatuiDisplay { + pub fn new() -> RatatuiDisplay { + RatatuiDisplay { + terminal: ratatui::init() + } + } +} + +impl Display for RatatuiDisplay { + fn clear(&mut self) { + self.terminal.clear().expect("Failed to clear terminal"); + } + + fn render(&mut self, display_data: &[bool; DISPLAY_WIDTH * DISPLAY_HEIGHT]) { + self.terminal.draw(|frame| { + let canvas = Canvas::default() + .block(Block::default().title("Chip8 Emulator by nuculabs.dev").borders(Borders::ALL)) + .marker(Marker::Bar) + .paint(|ctx| { + for row in 0..DISPLAY_HEIGHT { + for column in 0..DISPLAY_WIDTH { + if display_data[row * DISPLAY_WIDTH + column] { + ctx.draw(&ratatui::widgets::canvas::Rectangle { + x: column as f64, + y: DISPLAY_HEIGHT as f64 - row as f64, + width: 1.0, + height: 1.0, + color: Color::White, + }); + } + } + } + }) + .x_bounds([0.0, DISPLAY_WIDTH as f64]) + .y_bounds([0.0, DISPLAY_HEIGHT as f64]); + + // Render the canvas widget + + // Center the paragraph in the terminal + frame.render_widget(canvas, frame.area()); + }).expect("failed to draw"); + } +} \ No newline at end of file diff --git a/src/main.rs b/src/main.rs index b46c8bf..b3d625a 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,4 +1,4 @@ -use crate::display::TerminalDisplay; +use crate::display::{RatatuiDisplay}; use crate::emulator::Emulator; use env_logger; @@ -10,7 +10,7 @@ mod stack; fn main() -> Result<(), anyhow::Error> { env_logger::init(); - let mut emulator = Emulator::new(TerminalDisplay::new()); + let mut emulator = Emulator::new(RatatuiDisplay::new()); emulator.emulate(String::from("./roms/ibm-logo.ch8"))?;