egui

Cargo.toml

@@ -1,11 +1,3 @@
 [workspace]
 resolver = "2"
 members = ["petri", "uscope"]
-
-# Enable a small amount of optimization in debug mode
-[profile.dev]
-opt-level = 1
-
-# Enable high optimizations for dependencies (incl. Bevy), but not for our code:
-[profile.dev.package."*"]
-opt-level = 3

petri/src/lib.rs

@@ -3,7 +3,7 @@ use rand::prelude::*;
 pub const CHUNK_SIZE: usize = 32;
 
 #[derive(Debug, Default, PartialEq, Clone)]
-pub struct Cell(u8, u8, u8);
+pub struct Cell(pub u8, pub u8, pub u8);
 
 #[derive(Debug)]
 pub struct Pos2(i8, i8);
@@ -42,14 +42,14 @@ impl Chunk {
 		for col in self.contents.iter_mut() {
 			for cell in col.iter_mut() {
 				if random::<u8>() % 4 == 0 {
-					*cell = Cell::WHITE;
+					*cell = Cell::PINK;
 				}
 			}
 		}
 		self
 	}
 
-	fn get_cell(&self, x: usize, y: usize) -> Cell {
+	pub fn get_cell(&self, x: usize, y: usize) -> Cell {
 		self.contents[x][y].clone()
 	}
 
@@ -67,56 +67,36 @@ impl Dish {
 					from: RulePattern {
 						width: 1,
 						height: 2,
-						contents: vec![Some(Cell::WHITE), Some(Cell::EMPTY)],
+						contents: vec![Some(Cell::PINK), Some(Cell::EMPTY)],
 					},
 					to: RulePattern {
 						width: 1,
 						height: 2,
-						contents: vec![Some(Cell::EMPTY), Some(Cell::WHITE)],
+						contents: vec![Some(Cell::EMPTY), Some(Cell::PINK)],
 					},
 				},
 				Rule {
 					from: RulePattern {
 						width: 2,
 						height: 2,
-						contents: vec![
-							Some(Cell::WHITE),
-							None,
-							Some(Cell::WHITE),
-							Some(Cell::EMPTY),
-						],
+						contents: vec![Some(Cell::PINK), None, Some(Cell::PINK), Some(Cell::EMPTY)],
 					},
 					to: RulePattern {
 						width: 2,
 						height: 2,
-						contents: vec![
-							Some(Cell::EMPTY),
-							None,
-							Some(Cell::WHITE),
-							Some(Cell::WHITE),
-						],
+						contents: vec![Some(Cell::EMPTY), None, Some(Cell::PINK), Some(Cell::PINK)],
 					},
 				},
 				Rule {
 					from: RulePattern {
 						width: 2,
 						height: 2,
-						contents: vec![
-							None,
-							Some(Cell::WHITE),
-							Some(Cell::EMPTY),
-							Some(Cell::WHITE),
-						],
+						contents: vec![None, Some(Cell::PINK), Some(Cell::EMPTY), Some(Cell::PINK)],
 					},
 					to: RulePattern {
 						width: 2,
 						height: 2,
-						contents: vec![
-							None,
-							Some(Cell::EMPTY),
-							Some(Cell::WHITE),
-							Some(Cell::WHITE),
-						],
+						contents: vec![None, Some(Cell::EMPTY), Some(Cell::PINK), Some(Cell::PINK)],
 					},
 				},
 			],
@@ -181,6 +161,7 @@ impl Dish {
 impl Cell {
 	pub const EMPTY: Self = Self(0, 0, 0);
 	pub const WHITE: Self = Self(255, 255, 255);
+	pub const PINK: Self = Self(255, 147, 219);
 }
 
 #[derive(Debug)]
@@ -191,11 +172,19 @@ pub struct RulePattern {
 }
 
 impl RulePattern {
-	fn get(&self, x: usize, y: usize) -> Option<Cell> {
+	pub fn get(&self, x: usize, y: usize) -> Option<Cell> {
 		if x >= self.width || y >= self.height {
 			None
 		} else {
 			self.contents[x + self.width * y].clone()
 		}
 	}
+
+	pub fn height(&self) -> usize {
+		self.height
+	}
+
+	pub fn width(&self) -> usize {
+		self.width
+	}
 }

uscope/Cargo.toml

@@ -7,5 +7,4 @@ edition = "2021"
 
 [dependencies]
 petri = { path = "../petri" }
-bevy = { version = "0.13", features = ["dynamic_linking"] }
-owo-colors = "4.0.0"
+eframe = "0.27.2"

uscope/src/main.rs

@@ -1,39 +1,102 @@
-use owo_colors::OwoColorize;
-use petri::{Cell, Dish, CHUNK_SIZE};
+use eframe::{
+	egui::{CentralPanel, Color32, Painter, Rect, SidePanel, Ui, Vec2},
+	NativeOptions,
+};
+use petri::{Chunk, Dish, Rule, CHUNK_SIZE};
 
 fn main() {
-	let mut dish = Dish::new();
-	loop {
-		for _ in 0..1000 {
-			dish.fire_blindly();
-		}
-		print_dish(&dish);
-		wait_for_input()
+	eframe::run_native(
+		"V3 World Editor",
+		NativeOptions::default(),
+		Box::new(|_cc| Box::new(UScope::new(_cc))),
+	)
+	.unwrap();
+}
+
+#[derive(Debug)]
+struct UScope {
+	dish: Dish,
+}
+
+impl UScope {
+	fn new(_cc: &eframe::CreationContext<'_>) -> Self {
+		Self { dish: Dish::new() }
 	}
 }
 
-fn print_dish(dish: &Dish) {
-	for y in 0..(CHUNK_SIZE / 2) {
-		for x in 0..CHUNK_SIZE {
-			render_pixel_pair(dish, x, y);
+impl eframe::App for UScope {
+	fn update(&mut self, ctx: &eframe::egui::Context, _frame: &mut eframe::Frame) {
+		ctx.request_repaint();
+		for _ in 0..100 {
+			self.dish.fire_blindly();
 		}
-		println!();
+		SidePanel::left("left_panel").show(ctx, |ui| {
+			ui.heading("Rules");
+			ui.text_edit_singleline(&mut "dummy");
+			if ui.button("aaa").clicked() {
+				dbg!(&self.dish.rules);
+			}
+			for rule in &mut self.dish.rules {
+				rule_editor(ui, rule);
+			}
+		});
+		CentralPanel::default().show(ctx, |ui| {
+			let bounds = ui.available_rect_before_wrap();
+			let painter = ui.painter_at(bounds);
+			paint_chunk(painter, &self.dish.chunk);
+		});
 	}
-	println!();
 }
 
-fn render_pixel_pair(dish: &Dish, x: usize, y: usize) {
-	let a = dish.get_cell(x, y * 2) != Some(Cell::EMPTY);
-	let b = dish.get_cell(x, y * 2 + 1) != Some(Cell::EMPTY);
-	let char = match (a, b) {
-		(false, false) => " ",
-		(false, true) => "▄",
-		(true, false) => "▀",
-		(true, true) => "█",
-	};
-	print!("{}", char.fg_rgb::<255, 147, 219>());
+fn paint_chunk(painter: Painter, chunk: &Chunk) {
+	let bounds = painter.clip_rect();
+	let size = 16.;
+	for x in 0..CHUNK_SIZE {
+		for y in 0..CHUNK_SIZE {
+			let cell = &chunk.get_cell(x, y);
+			let corner = bounds.min + (Vec2::from((x as f32, y as f32)) * size);
+			let rect = Rect::from_min_size(corner, Vec2::splat(size));
+			let color = Color32::from_rgb(cell.0, cell.1, cell.2);
+			painter.rect(rect, 0., color, (1., Color32::GRAY));
+		}
+	}
 }
 
-pub fn wait_for_input() {
-	std::io::stdin().read_line(&mut String::new()).unwrap();
+fn rule_editor(ui: &mut Ui, rule: &mut Rule) {
+	let patt_height = rule.from.height();
+	let patt_width = rule.from.height();
+
+	const CSIZE: f32 = 24.;
+
+	let (_, bounds) = ui.allocate_space(Vec2::new(
+		CSIZE * (patt_width * 2 + 1) as f32,
+		CSIZE * patt_height as f32,
+	));
+	for x in 0..patt_width {
+		for y in 0..patt_height {
+			let rect = Rect::from_min_size(
+				bounds.min + Vec2::from((x as f32, y as f32)) * CSIZE,
+				Vec2::splat(CSIZE),
+			);
+			if let Some(cell) = rule.from.get(x, y) {
+				ui.painter().rect(
+					rect,
+					2.,
+					Color32::from_rgb(cell.0, cell.1, cell.2),
+					(1., Color32::GRAY),
+				);
+			}
+
+			if let Some(cell) = rule.to.get(x, y) {
+				let rect = rect.translate(Vec2::X * (patt_width as f32 + 1.) * CSIZE);
+
+				ui.painter().rect(
+					rect,
+					2.,
+					Color32::from_rgb(cell.0, cell.1, cell.2),
+					(1., Color32::GRAY),
+				);
+			}
+		}
+	}
 }