refactor: remove dead code, move direction & graph into 'map' module

tests/item.rs

@@ -1,46 +0,0 @@
-// use glam::U16Vec2;
-// use pacman::texture::sprite::{AtlasTile, Sprite};
-
-// #[test]
-// fn test_item_type_get_score() {
-//     assert_eq!(ItemType::Pellet.get_score(), 10);
-//     assert_eq!(ItemType::Energizer.get_score(), 50);
-
-//     let fruit = ItemType::Fruit { kind: FruitKind::Apple };
-//     assert_eq!(fruit.get_score(), 100);
-// }
-
-// #[test]
-// fn test_fruit_kind_increasing_score() {
-//     // Build a list of fruit kinds, sorted by their index
-//     let mut kinds = FruitKind::iter()
-//         .map(|kind| (kind.index(), kind.get_score()))
-//         .collect::<Vec<_>>();
-//     kinds.sort_unstable_by_key(|(index, _)| *index);
-
-//     assert_eq!(kinds.len(), FruitKind::COUNT);
-
-//     // Check that the score increases as expected
-//     for window in kinds.windows(2) {
-//         let ((_, prev), (_, next)) = (window[0], window[1]);
-//         assert!(prev < next, "Fruits should have increasing scores, but {prev:?} < {next:?}");
-//     }
-// }
-
-// #[test]
-// fn test_item_creation_and_collection() {
-//     let atlas_tile = AtlasTile {
-//         pos: U16Vec2::new(0, 0),
-//         size: U16Vec2::new(16, 16),
-//         color: None,
-//     };
-//     let sprite = Sprite::new(atlas_tile);
-//     let mut item = Item::new(0, ItemType::Pellet, sprite);
-
-//     assert!(!item.is_collected());
-//     assert_eq!(item.get_score(), 10);
-//     assert_eq!(item.position().from_node_id(), 0);
-
-//     item.collect();
-//     assert!(item.is_collected());
-// }