add button to clone solutions

README.md

@@ -57,7 +57,7 @@ blueprint rotation?
 ```json
 {
   "level_id": "00_zeroes",
-  "solution_id": "solution_0",
+  "solution_id": 0,
   "name": "unnamed 1",
   "board": "oo\nP*\n|-",
   "score": {
@@ -71,7 +71,7 @@ blueprint rotation?
 `blueprints/blueprint_0.json`
 ```json
 {
-  "id": "blueprint_0",
+  "id": 0,
   "name": "zero_printer",
   "board": "o -B I\n> * < \n"
 }

src/editor.rs

@@ -8,7 +8,7 @@ use raylib::prelude::*;
 
 use crate::{
 	blueprint::Blueprint,
-	draw_scaled_texture, draw_usize,
+	draw_scaled_texture, draw_usize, get_free_id, get_scroll,
 	level::Level,
 	marble_engine::{
 		board::Board,
@@ -18,7 +18,7 @@ use crate::{
 	},
 	simple_button, simple_option_button, slider,
 	solution::{Score, Solution},
-	text_input, texture_option_button, get_scroll, userdata_dir, Scroll, Textures,
+	text_input, texture_option_button, userdata_dir, Scroll, Textures,
 };
 
 const HEADER_HEIGHT: i32 = 40;
@@ -254,16 +254,7 @@ impl Editor {
 			}
 		}
 		board.trim_size(0);
-		let mut id = 0;
-		'outer: loop {
-			for b in &self.blueprints {
-				if b.id() == id {
-					id += 1;
-					continue 'outer;
-				}
-			}
-			break;
-		}
+		let id = get_free_id(&self.blueprints, Blueprint::id);
 		let mut blueprint = Blueprint::new(&board, id);
 		if !self.new_blueprint_name.is_empty() {
 			blueprint.name = self.new_blueprint_name.clone();

src/main.rs

@@ -203,10 +203,10 @@ impl Game {
 					solution_y += solution_entry_height + 10;
 				}
 
+				let next_id = get_free_id(solutions, Solution::id);
 				if simple_button(d, level_list_width + 10, solution_y, entry_width, 30) {
-					let n = solutions.len();
 					self.selected_solution = solutions.len();
-					solutions.push(Solution::new(level, n));
+					solutions.push(Solution::new(level, next_id));
 				}
 				d.draw_text(
 					"new solution",
@@ -227,14 +227,23 @@ impl Game {
 						24,
 						true,
 					);
-					d.draw_text(solution.id(), column_x, y + 35, 10, Color::GRAY);
+					let id_text = format!("{}", solution.id());
+					d.draw_text(&id_text, column_x, y + 35, 10, Color::GRAY);
 
 					if simple_button(d, column_x, y + 50, 220, 30) {
+						let cloned = solution.new_copy(next_id);
+						self.selected_solution = solutions.len();
+						solutions.push(cloned);
+						return;
+					}
+					d.draw_text("clone", column_x + 5, y + 55, 20, Color::WHITE);
+
+					if simple_button(d, column_x, y + 85, 220, 30) {
 						let mut editor = Editor::new(solution.clone(), level.clone());
 						editor.center_view(d);
 						self.open_editor = Some(editor);
 					}
-					d.draw_text("edit", column_x + 5, y + 55, 20, Color::WHITE);
+					d.draw_text("edit", column_x + 5, y + 90, 20, Color::WHITE);
 				}
 			} else {
 				self.solutions.insert(level.id().to_owned(), Vec::new());
@@ -263,7 +272,7 @@ fn get_levels() -> Vec<Level> {
 			add_level(d.path());
 		}
 	}
-	levels.sort_by_key(Level::sort_order);
+	levels.sort_unstable_by_key(Level::sort_order);
 	levels
 }
 
@@ -275,7 +284,6 @@ fn get_solutions() -> HashMap<String, Vec<Solution>> {
 			if dir.path().is_dir() {
 				let level_name = dir.file_name().to_string_lossy().to_string();
 				let mut solutions = Vec::new();
-
 				if let Ok(files) = read_dir(dir.path()) {
 					for file in files.flatten() {
 						let s = read_to_string(file.path())
@@ -286,12 +294,11 @@ fn get_solutions() -> HashMap<String, Vec<Solution>> {
 							solutions.push(solution)
 						}
 					}
-
-					by_level.insert(level_name, solutions);
+					solutions.sort_unstable_by_key(Solution::id);
 				}
+				by_level.insert(level_name, solutions);
 			}
 		}
 	}
-
 	by_level
 }

src/solution.rs

@@ -9,7 +9,7 @@ use crate::{level::Level, userdata_dir};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Solution {
-	solution_id: String,
+	solution_id: usize,
 	level_id: String,
 	pub name: String,
 	pub board: String,
@@ -25,18 +25,25 @@ pub struct Score {
 }
 
 impl Solution {
-	pub fn new(level: &Level, number: usize) -> Self {
+	pub fn new(level: &Level, id: usize) -> Self {
 		Self {
-			solution_id: format!("solution_{number}"),
+			solution_id: id,
 			level_id: level.id().to_owned(),
-			name: format!("Unnamed {number}"),
+			name: format!("Unnamed {id}"),
 			board: level.init_board().unwrap_or(String::from(" ")),
 			score: None,
 		}
 	}
 
-	pub fn id(&self) -> &str {
-		&self.solution_id
+	pub fn new_copy(&self, id: usize) -> Self {
+		let mut new = self.clone();
+		new.solution_id = id;
+		new.score = None;
+		new
+	}
+
+	pub fn id(&self) -> usize {
+		self.solution_id
 	}
 
 	pub fn save(&self) {

src/util.rs

@@ -307,3 +307,11 @@ pub fn get_scroll(rl: &RaylibHandle) -> Option<Scroll> {
 		None
 	}
 }
+
+pub fn get_free_id<T>(items: &[T], id_fn: fn(&T) -> usize) -> usize {
+	let mut id = 0;
+	while items.iter().any(|i| id_fn(i) == id) {
+		id += 1;
+	}
+	id
+}