tile manager

engine/world_generation/src/tile_manager.rs

@@ -0,0 +1,61 @@
+use std::{collections::HashMap, fs};
+
+use bevy::ecs::system::Resource;
+use serde::{Deserialize, Serialize};
+
+#[derive(Resource)]
+pub struct TileManager {
+	pub tiles: HashMap<u32, TileDefination>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct TileDefination {
+	pub id: u32,
+	pub texture_id: u32,
+	pub side_texture_id: u32,
+}
+
+impl TileManager {
+	pub fn new(path: String) -> Option<Self> {
+		let mut cur_id: u32 = 0;
+
+		let paths = fs::read_dir(path);
+
+		if paths.is_err() {
+			print!("{}", paths.err().unwrap());
+			return None;
+		}
+
+		let mut manager = TileManager {
+			tiles: HashMap::new(),
+		};
+
+		for dir_entry in paths.unwrap() {
+			let cur_path = dir_entry.unwrap().path();
+			if !cur_path.is_file() {
+				continue;
+			}
+			let data = fs::read_to_string(cur_path);
+			if data.is_err() {
+				print!("{}", data.err().unwrap());
+				return None;
+			}
+
+			let result: Result<TileDefination, serde_json::Error> =
+				serde_json::from_str(data.unwrap().as_str());
+
+			if result.is_err() {
+				print!("{}", result.err().unwrap());
+				return None;
+			}
+
+			let mut tile = result.unwrap();
+			tile.id = cur_id;
+
+			manager.tiles.insert(tile.id, tile);
+			cur_id += 1;
+		}
+
+		return Some(manager);
+	}
+}