show level count for each chapter

README.md

@@ -35,11 +35,8 @@ logic mostly like https://git.crispypin.cc/CrispyPin/marble
 ```
 - assets/
 - levels/
-  - 01_intro/
-    - 01_output.json
-    - 02_cat.json
-  - 02_lists/
-    - 02_parse.json
+  - chapter_01.json
+  - chapter_02.json
   - sandbox.json
 - user/
   - solutions/
@@ -52,46 +49,7 @@ logic mostly like https://git.crispypin.cc/CrispyPin/marble
   - blueprints
     - blueprint_0.json
 ```
-## formats
-### level
-`00_zeroes.json`
-```json
-{
-  "id": "output",
-  "sortorder": 5,
-  "name": "Zeroes",
-  "description": "learn how to output data",
-  "init_board": "<optional, serialized board>",
-  "stages": [{
-    "input": [],
-    "output": [0, 0, 0, 0, 0, 0, 0, 0],
-  }]
-}
-```
-### solution
-`00_zeroes/solution_0.json`
-```json
-{
-  "level_id": "00_zeroes",
-  "solution_id": 0,
-  "name": "unnamed 1",
-  "board": "oo\nP*\n|-",
-  "score": {
-    "cycles": 8,
-    "tiles": 6,
-    "area": 6,
-  }
-}
-```
-### blueprint
-`blueprints/blueprint_0.json`
-```json
-{
-  "id": 0,
-  "name": "zero_printer",
-  "board": "o -B I\n> * < \n"
-}
-```
+
 
 ## levels
 ### intro, basic mechanics

src/main.rs

@@ -40,7 +40,7 @@ struct Game {
 #[derive(Debug)]
 enum LevelListEntry {
 	Level(Level),
-	ChapterTitle(String),
+	Chapter(String, usize),
 }
 
 fn main() {
@@ -128,43 +128,46 @@ impl Game {
 		let mouse_pos = d.get_mouse_position();
 		let scroll_delta = d.get_mouse_wheel_move();
 
+		const ENTRY_SPACING: i32 = 65;
+		let fit_on_screen = (d.get_screen_height() / ENTRY_SPACING) as usize;
+		let max_scroll = self.levels.len().saturating_sub(fit_on_screen);
 		if mouse_pos.x < level_list_width as f32 {
-			if scroll_delta < 0. && self.level_scroll < self.levels.len().saturating_sub(5) {
+			if scroll_delta < 0. && self.level_scroll < max_scroll {
 				self.level_scroll += 1;
-			} else if scroll_delta > 0. && self.level_scroll > 0 {
+			}
+			if scroll_delta > 0. && self.level_scroll > 0 {
 				self.level_scroll -= 1;
 			}
 		}
 
-		for (i, level) in self.levels[self.level_scroll..].iter().enumerate() {
-			let level_entry_height = 65;
-			let index = i + self.level_scroll;
-			let y = 10 + i as i32 * level_entry_height;
+		for (row_index, level_index) in (self.level_scroll..self.levels.len()).enumerate() {
+			let level = &mut self.levels[level_index];
+			let y = 10 + row_index as i32 * ENTRY_SPACING;
 			let bounds = Rectangle {
 				x: 5.,
 				y: y as f32 - 5.,
 				width: level_list_width as f32 - 10.,
-				height: level_entry_height as f32 - 5.,
+				height: ENTRY_SPACING as f32 - 5.,
 			};
+			let clicked_this = clicked && bounds.check_collision_point_rec(mouse_pos);
 			match level {
-				LevelListEntry::ChapterTitle(title) => {
+				LevelListEntry::Chapter(title, level_count) => {
 					d.draw_rectangle_rec(bounds, BG_DARK);
 					d.draw_text(title, 10, y, 30, FG_CHAPTER_TITLE);
+					let subtitle = format!("{level_count} levels");
+					d.draw_text(&subtitle, 10, y + 30, 20, Color::WHITE);
 				}
 				LevelListEntry::Level(level) => {
-					if clicked
-						&& bounds.check_collision_point_rec(mouse_pos)
-						&& self.selected_level != index
-					{
+					if clicked_this && self.selected_level != level_index {
 						self.editing_solution_name = false;
-						self.selected_level = index;
+						self.selected_level = level_index;
 						self.selected_solution = 0;
 						// select the last solution of the level, if there is one
 						if let Some(solutions) = self.solutions.get(level.id()) {
 							self.selected_solution = solutions.len().saturating_sub(1);
 						}
 					}
-					d.draw_rectangle_rec(bounds, widget_bg(self.selected_level == index));
+					d.draw_rectangle_rec(bounds, widget_bg(self.selected_level == level_index));
 
 					let mut title_color = Color::WHITE;
 					if let Some(solutions) = self.solutions.get(level.id()) {
@@ -313,7 +316,7 @@ fn get_levels() -> Vec<LevelListEntry> {
 
 	let mut levels = Vec::new();
 	for c in chapters {
-		levels.push(LevelListEntry::ChapterTitle(c.title));
+		levels.push(LevelListEntry::Chapter(c.title, c.levels.len()));
 		levels.extend(c.levels.into_iter().map(LevelListEntry::Level));
 	}
 	levels