implement blueprint creation, placement, saving and loading

README.md

@@ -6,11 +6,13 @@ logic mostly like https://git.crispypin.cc/CrispyPin/marble
 ## todo
 (more levels)
 story/lore
-blueprints
+timestamps in solutions and blueprints
+multiple input/output sets
 scroll level list
+scroll blueprint list
 make marble movement more consistent (`>o o<` depends on internal marble order)
 decide on marble data size (u32 or byte?)
-blueprint rotation
+blueprint rotation?
 
 ## file hierarchy
 ```

src/blueprint.rs

@@ -0,0 +1,60 @@
+use std::{
+	fs::{self, File},
+	io::Write,
+	path::PathBuf,
+};
+
+use serde::{Deserialize, Serialize};
+
+use crate::{marble_engine::board::Board, userdata_dir};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Blueprint {
+	id: String,
+	pub name: String,
+	pub board: String,
+	#[serde(skip, default)]
+	tile_board: Option<Board>,
+}
+
+impl Blueprint {
+	pub fn new(content: &Board, number: usize) -> Self {
+		Self {
+			id: format!("blueprint_{number}"),
+			name: format!("Blueprint {number}"),
+			board: content.to_string(),
+			tile_board: Some(content.clone()),
+		}
+	}
+
+	pub fn convert_board(&mut self) -> &Board {
+		if self.tile_board.is_none() {
+			self.tile_board = Some(Board::parse(&self.board));
+		}
+		self.tile_board.as_ref().unwrap()
+	}
+
+	pub fn get_board(&self) -> Option<&Board> {
+		self.tile_board.as_ref()
+	}
+
+	fn path(&self) -> PathBuf {
+		let dir = userdata_dir().join("blueprints");
+		fs::create_dir_all(&dir).unwrap();
+		dir.join(format!("{}.json", &self.id))
+	}
+
+	pub fn save(&self) {
+		let path = self.path();
+		let json = serde_json::to_string_pretty(self).unwrap();
+		let mut file = File::create(path).unwrap();
+		file.write_all(json.as_bytes()).unwrap();
+	}
+
+	pub fn remove_file(&self) {
+		let path = self.path();
+		if let Err(e) = fs::remove_file(path) {
+			eprint!("Error removing blueprint file: {e}");
+		}
+	}
+}

src/editor.rs

@@ -1,8 +1,13 @@
-use std::{mem::transmute, ops::Rem};
+use std::{
+	fs::{read_dir, read_to_string},
+	mem::transmute,
+	ops::Rem,
+};
 
 use raylib::prelude::*;
 
 use crate::{
+	blueprint::Blueprint,
 	draw_scaled_texture, draw_usize,
 	level::Level,
 	marble_engine::{
@@ -10,13 +15,14 @@ use crate::{
 		tile::{Direction, GateType, MathOp, MirrorType, PTile, Tile, WireType},
 		Machine,
 	},
-	simple_button, slider,
+	simple_button, simple_option_button, slider,
 	solution::{Score, Solution},
-	text_input, texture_option_button, Textures,
+	text_input, texture_option_button, userdata_dir, Textures,
 };
 
 const HEADER_HEIGHT: i32 = 40;
 const FOOTER_HEIGHT: i32 = 95;
+const SIDEBAR_WIDTH: i32 = 200 + 32 * 2 + 5 * 4;
 const MAX_ZOOM_IN: i32 = 3;
 
 #[derive(Debug)]
@@ -36,6 +42,8 @@ pub struct Editor {
 	tool_mirror: MirrorType,
 	tool_wire: WireType,
 	input_text_selected: bool,
+	new_blueprint_name: String,
+	blueprint_name_selected: bool,
 	sim_speed: u8,
 	time_since_step: f32,
 	exit_state: ExitState,
@@ -43,6 +51,8 @@ pub struct Editor {
 	complete_popup: Popup,
 	// fail_popup: Popup,
 	score: Option<Score>,
+	blueprints: Vec<Blueprint>,
+	selected_blueprint: usize,
 }
 
 #[derive(Debug, PartialEq)]
@@ -64,6 +74,7 @@ enum Tool {
 	Arrow,
 	Mirror,
 	SelectArea(Option<(Pos, Pos)>, bool),
+	Blueprint,
 }
 
 #[derive(Debug, Clone, PartialEq)]
@@ -93,6 +104,8 @@ impl Editor {
 			output_as_text: level.output_is_text(),
 			input_as_text: level.input_is_text(),
 			input_text_selected: false,
+			new_blueprint_name: String::new(),
+			blueprint_name_selected: false,
 			sim_speed: 8,
 			time_since_step: 0.,
 			tool_math: MathOp::Add,
@@ -106,6 +119,8 @@ impl Editor {
 			complete_popup: Popup::Start,
 			// fail_popup: Popup::Start,
 			score: solution.score,
+			blueprints: get_blueprints(),
+			selected_blueprint: usize::MAX,
 		}
 	}
 
@@ -209,7 +224,8 @@ impl Editor {
 			| Tool::Erase
 			| Tool::SetTile(_)
 			| Tool::Digits(_)
-			| Tool::SelectArea(_, _) => (),
+			| Tool::SelectArea(_, _)
+			| Tool::Blueprint => (),
 		}
 	}
 
@@ -219,8 +235,8 @@ impl Editor {
 		let tile_y = self.source_board.height() as f32 / 2. * tile_size;
 		let screen_x = d.get_screen_width() as f32 / 2.;
 		let screen_y = d.get_screen_height() as f32 / 2.;
-		self.view_offset.x = screen_x - tile_x;
-		self.view_offset.y = screen_y - tile_y;
+		self.view_offset.x = (screen_x - tile_x).floor();
+		self.view_offset.y = (screen_y - tile_y).floor();
 	}
 
 	fn change_zoom_level(&mut self, d: &RaylibHandle, delta: i32) {
@@ -246,9 +262,31 @@ impl Editor {
 		}
 	}
 
-	fn set_tile(&mut self, mut pos: Pos, tile: Tile) {
+	fn save_blueprint(&mut self, selection: (Pos, Pos)) {
+		let min = selection.0.min(selection.1);
+		let max = selection.0.max(selection.1) + (1, 1).into();
+		let width = (max.x - min.x) as usize;
+		let height = (max.y - min.y) as usize;
+		let mut board = Board::new_empty(width, height);
+		for (target_x, x) in (min.x..=max.x).enumerate() {
+			for (target_y, y) in (min.y..=max.y).enumerate() {
+				if let Some(tile) = self.source_board.get(Pos { x, y }) {
+					board.set((target_x, target_y).into(), tile);
+				}
+			}
+		}
+		let mut blueprint = Blueprint::new(&board, self.blueprints.len());
+		if !self.new_blueprint_name.is_empty() {
+			blueprint.name = self.new_blueprint_name.clone();
+		}
+		blueprint.save();
+		self.blueprints.push(blueprint);
+		self.active_tool = Tool::Blueprint;
+	}
+
+	fn grow_board_and_move_view(&mut self, pos: &mut Pos) {
 		let tile_size = (16 << self.zoom) as f32;
-		let (x, y) = self.source_board.grow_to_include(pos);
+		let (x, y) = self.source_board.grow_to_include(*pos);
 		if x != 0 || y != 0 {
 			self.view_offset.x -= x as f32 * tile_size;
 			self.view_offset.y -= y as f32 * tile_size;
@@ -268,6 +306,11 @@ impl Editor {
 				_ => (),
 			}
 		}
+	}
+
+	fn set_tile(&mut self, mut pos: Pos, tile: Tile) {
+		let tile_size = (16 << self.zoom) as f32;
+		self.grow_board_and_move_view(&mut pos);
 		self.source_board.set(pos, tile);
 		if tile.is_blank() {
 			let (x, y) = self.source_board.trim_size();
@@ -312,7 +355,7 @@ impl Editor {
 			self.zoom_out(rl);
 		}
 		if rl.is_mouse_button_down(MouseButton::MOUSE_BUTTON_MIDDLE) {
-			self.view_offset += rl.get_mouse_delta()
+			self.view_offset += rl.get_mouse_delta();
 		}
 		if rl.is_mouse_button_pressed(MouseButton::MOUSE_BUTTON_RIGHT) {
 			self.center_view(rl);
@@ -359,6 +402,52 @@ impl Editor {
 		self.draw_bottom_bar(d, textures);
 		self.draw_top_bar(d, textures);
 
+		if self.active_tool == Tool::Blueprint {
+			let sidebar_height = d.get_screen_height() - FOOTER_HEIGHT - HEADER_HEIGHT - 40;
+			d.draw_rectangle(
+				0,
+				HEADER_HEIGHT + 20,
+				SIDEBAR_WIDTH,
+				sidebar_height,
+				Color::new(32, 32, 32, 255),
+			);
+			d.draw_text("Blueprints", 10, HEADER_HEIGHT + 30, 20, Color::WHITE);
+			let mut y = HEADER_HEIGHT + 60;
+			for (i, b) in self.blueprints.iter_mut().enumerate() {
+				if simple_button(d, 5, y, 32, 32) {
+					b.remove_file();
+					self.blueprints.remove(i);
+					break;
+				}
+				draw_scaled_texture(d, textures.get("cancel"), 5, y, 2.);
+				let is_selected = self.selected_blueprint == i;
+				let mut text_selected = is_selected && self.blueprint_name_selected;
+				text_input(
+					d,
+					Rectangle::new(42., y as f32, 200., 32.),
+					&mut b.name,
+					&mut text_selected,
+					32,
+					is_selected,
+				);
+				if is_selected {
+					self.blueprint_name_selected = text_selected;
+				}
+				simple_option_button(d, 42 + 205, y, 32, 32, i, &mut self.selected_blueprint);
+
+				d.draw_texture_ex(
+					textures.get("blueprint"),
+					Vector2::new((42 + 205) as f32, y as f32),
+					0.,
+					2.,
+					Color::new(255, 255, 255, if is_selected { 255 } else { 150 }),
+				);
+
+				// d.draw_text(&b.name, 15, y+5, 20, Color::WHITE);
+				y += 37;
+			}
+		}
+
 		if self.complete_popup == Popup::Visible {
 			let width = 310;
 			let height = 165;
@@ -555,6 +644,27 @@ impl Editor {
 			Color::new(32, 32, 32, 255),
 		);
 
+		let mut hide_tile_tools = false;
+		if let Tool::SelectArea(Some(selection), _) = self.active_tool {
+			hide_tile_tools = true;
+			text_input(
+				d,
+				Rectangle::new(100., footer_top + 10., 240., 30.),
+				&mut self.new_blueprint_name,
+				&mut self.blueprint_name_selected,
+				32,
+				true,
+			);
+			if simple_button(d, 100, footer_top as i32 + 49, 40, 40) {
+				self.save_blueprint(selection);
+			}
+			draw_scaled_texture(d, textures.get("save"), 104, footer_top as i32 + 53, 2.);
+			if simple_button(d, 144, footer_top as i32 + 49, 40, 40) {
+				self.active_tool = Tool::SelectArea(None, false);
+			}
+			draw_scaled_texture(d, textures.get("cancel"), 148, footer_top as i32 + 53, 2.);
+		}
+
 		let mut tool_button = |(row, col): (i32, i32), texture: &str, tool_option: Tool| {
 			let border = 4.;
 			let gap = 2.;
@@ -574,14 +684,17 @@ impl Editor {
 		};
 		tool_button((0, -2), "eraser", Tool::Erase);
 		tool_button((1, -2), "selection", Tool::SelectArea(None, false));
-		tool_button((0, -1), "digit_tool", Tool::Digits(None));
+
+		tool_button((0, -1), "blueprint", Tool::Blueprint);
 		tool_button((1, -1), "transparent", Tool::None);
 
+		if !hide_tile_tools {
 			tool_button((0, 0), "block", Tool::SetTile(Tile::from_char('#')));
 			tool_button((0, 1), "bag_off", Tool::SetTile(Tile::from_char('B')));
 			tool_button((0, 2), "trigger_off", Tool::SetTile(Tile::from_char('*')));
 			tool_button((0, 3), "io_tile_off", Tool::SetTile(Tile::from_char('I')));
-		tool_button((0, 5), "flipper_off", Tool::SetTile(Tile::from_char('F')));
+			tool_button((0, 4), "flipper_off", Tool::SetTile(Tile::from_char('F')));
+			tool_button((0, 5), "digit_tool", Tool::Digits(None));
 
 			tool_button((1, 0), "marble", Tool::SetTile(Tile::from_char('o')));
 			tool_button(
@@ -606,6 +719,7 @@ impl Editor {
 				&Tile::Powerable(PTile::Gate(self.tool_gate), false).texture(),
 				Tool::Gate,
 			);
+		}
 
 		let output_x = 370;
 		let output_cell_width = 43;
@@ -719,6 +833,7 @@ impl Editor {
 						Tool::Digits(_) => "selection".into(),
 						Tool::SelectArea(_, false) => "area_full".into(),
 						Tool::SelectArea(_, true) => "transparent".into(),
+						Tool::Blueprint => "transparent".into(),
 					};
 
 					d.draw_texture_ex(
@@ -755,6 +870,26 @@ impl Editor {
 								}
 							}
 						}
+						Tool::Blueprint => {
+							if mouse_pos.x > SIDEBAR_WIDTH as f32 {
+								if let Some(bp) = self.blueprints.get(self.selected_blueprint) {
+									let board = bp.get_board().unwrap().clone();
+									let mut pos = pos;
+									self.grow_board_and_move_view(&mut pos);
+									self.grow_board_and_move_view(
+										&mut (pos + (board.width() - 1, board.height() - 1).into()),
+									);
+									for x in 0..board.width() {
+										for y in 0..board.height() {
+											let p = (x, y).into();
+											if let Some(tile) = board.get(p) {
+												self.source_board.set(p + pos, tile);
+											}
+										}
+									}
+								}
+							}
+						}
 						Tool::SelectArea(_, _) => (),
 					}
 				}
@@ -779,6 +914,19 @@ impl Editor {
 						*is_selecting = false;
 					}
 				}
+				if let Tool::Blueprint = self.active_tool {
+					if let Some(bp) = self.blueprints.get_mut(self.selected_blueprint) {
+						let view_offset = Vector2::new(
+							self.view_offset.x.rem(tile_size as f32),
+							self.view_offset.y.rem(tile_size as f32),
+						);
+						let mut offset = mouse_pos - view_offset;
+						offset.x -= offset.x.rem(tile_size as f32);
+						offset.y -= offset.y.rem(tile_size as f32);
+						offset += view_offset;
+						bp.convert_board().draw(d, textures, offset, self.zoom);
+					}
+				}
 			}
 			// draw selection
 			if let Tool::SelectArea(Some((start, end)), _) = self.active_tool {
@@ -809,3 +957,21 @@ impl PartialEq for Tool {
 		}
 	}
 }
+
+fn get_blueprints() -> Vec<Blueprint> {
+	let mut blueprints = Vec::<Blueprint>::new();
+	let Ok(dir) = read_dir(userdata_dir().join("blueprints")) else {
+		return blueprints;
+	};
+	for d in dir.flatten() {
+		let l = read_to_string(d.path())
+			.ok()
+			.as_deref()
+			.and_then(|s| serde_json::from_str(s).ok());
+		if let Some(level) = l {
+			blueprints.push(level);
+		}
+	}
+	blueprints.sort_by(|a, b| a.name.cmp(&b.name));
+	blueprints
+}

src/main.rs

@@ -5,6 +5,7 @@ use std::{
 
 use raylib::prelude::*;
 
+mod blueprint;
 mod editor;
 mod level;
 mod marble_engine;

src/marble_engine/board.rs

@@ -1,3 +1,5 @@
+use std::ops::Add;
+
 use crate::{draw_scaled_texture, Textures};
 
 use super::tile::*;
@@ -50,6 +52,16 @@ impl From<Vector2> for Pos {
 	}
 }
 
+impl Add for Pos {
+	type Output = Self;
+	fn add(self, rhs: Self) -> Self::Output {
+		Self {
+			x: self.x + rhs.x,
+			y: self.y + rhs.y,
+		}
+	}
+}
+
 #[derive(Debug, Clone)]
 pub struct Board {
 	rows: Vec<Vec<Tile>>,