refactor: move direction & edible into entity submodule

src/entity/blinky.rs

@@ -4,7 +4,7 @@ use std::rc::Rc;
 use sdl2::render::{Canvas, Texture};
 use sdl2::video::Window;
 
-use crate::direction::Direction;
+use crate::entity::direction::Direction;
 use crate::entity::ghost::{Ghost, GhostMode, GhostType};
 use crate::entity::pacman::Pacman;
 use crate::entity::{Entity, Moving, Renderable, StaticEntity};

src/entity/direction.rs

@@ -0,0 +1,59 @@
+//! This module defines the `Direction` enum, which is used to represent the
+//! direction of an entity.
+use sdl2::keyboard::Keycode;
+
+/// An enum representing the direction of an entity.
+#[derive(Debug, Copy, Clone, PartialEq)]
+pub enum Direction {
+    Up,
+    Down,
+    Left,
+    Right,
+}
+
+impl Direction {
+    /// Returns the angle of the direction in degrees.
+    pub fn angle(&self) -> f64 {
+        match self {
+            Direction::Right => 0f64,
+            Direction::Down => 90f64,
+            Direction::Left => 180f64,
+            Direction::Up => 270f64,
+        }
+    }
+
+    /// Returns the offset of the direction as a tuple of (x, y).
+    pub fn offset(&self) -> (i32, i32) {
+        match self {
+            Direction::Right => (1, 0),
+            Direction::Down => (0, 1),
+            Direction::Left => (-1, 0),
+            Direction::Up => (0, -1),
+        }
+    }
+
+    /// Returns the opposite direction.
+    pub fn opposite(&self) -> Direction {
+        match self {
+            Direction::Right => Direction::Left,
+            Direction::Down => Direction::Up,
+            Direction::Left => Direction::Right,
+            Direction::Up => Direction::Down,
+        }
+    }
+
+    /// Creates a `Direction` from a `Keycode`.
+    ///
+    /// # Arguments
+    ///
+    /// * `keycode` - The keycode to convert.
+    pub fn from_keycode(keycode: Keycode) -> Option<Direction> {
+        match keycode {
+            Keycode::D | Keycode::Right => Some(Direction::Right),
+            Keycode::A | Keycode::Left => Some(Direction::Left),
+            Keycode::W | Keycode::Up => Some(Direction::Up),
+            Keycode::S | Keycode::Down => Some(Direction::Down),
+            _ => None,
+        }
+    }
+}

src/entity/edible.rs

@@ -0,0 +1,83 @@
+//! Edible entity for Pac-Man: pellets, power pellets, and fruits.
+use crate::constants::{FruitType, MapTile, BOARD_HEIGHT, BOARD_WIDTH};
+use crate::entity::direction::Direction;
+use crate::entity::{Entity, Renderable, StaticEntity};
+use crate::map::Map;
+use crate::texture::atlas::AtlasTexture;
+use crate::texture::FrameDrawn;
+use glam::{IVec2, UVec2};
+use sdl2::{render::Canvas, video::Window};
+use std::cell::RefCell;
+use std::rc::Rc;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum EdibleKind {
+    Pellet,
+    PowerPellet,
+    Fruit(FruitType),
+}
+
+pub struct Edible<'a> {
+    pub base: StaticEntity,
+    pub kind: EdibleKind,
+    pub sprite: Rc<AtlasTexture<'a>>,
+}
+
+impl<'a> Edible<'a> {
+    pub fn new(kind: EdibleKind, cell_position: UVec2, sprite: Rc<AtlasTexture<'a>>) -> Self {
+        let pixel_position = Map::cell_to_pixel(cell_position);
+        Edible {
+            base: StaticEntity::new(pixel_position, cell_position),
+            kind,
+            sprite,
+        }
+    }
+
+    /// Checks collision with Pac-Man (or any entity)
+    pub fn collide(&self, pacman: &dyn Entity) -> bool {
+        self.base.is_colliding(pacman)
+    }
+}
+
+impl<'a> Entity for Edible<'a> {
+    fn base(&self) -> &StaticEntity {
+        &self.base
+    }
+}
+
+impl<'a> Renderable for Edible<'a> {
+    fn render(&self, canvas: &mut Canvas<Window>) {
+        let pos = self.base.pixel_position;
+        self.sprite.render(canvas, (pos.x, pos.y), Direction::Right, Some(0));
+    }
+}
+
+/// Reconstruct all edibles from the original map layout
+pub fn reconstruct_edibles<'a>(
+    map: Rc<RefCell<Map>>,
+    pellet_sprite: Rc<AtlasTexture<'a>>,
+    power_pellet_sprite: Rc<AtlasTexture<'a>>,
+    _fruit_sprite: Rc<AtlasTexture<'a>>,
+) -> Vec<Edible<'a>> {
+    let mut edibles = Vec::new();
+    for x in 0..BOARD_WIDTH {
+        for y in 0..BOARD_HEIGHT {
+            let tile = map.borrow().get_tile(IVec2::new(x as i32, y as i32));
+            match tile {
+                Some(MapTile::Pellet) => {
+                    edibles.push(Edible::new(EdibleKind::Pellet, UVec2::new(x, y), Rc::clone(&pellet_sprite)));
+                }
+                Some(MapTile::PowerPellet) => {
+                    edibles.push(Edible::new(
+                        EdibleKind::PowerPellet,
+                        UVec2::new(x, y),
+                        Rc::clone(&power_pellet_sprite),
+                    ));
+                }
+                // Fruits can be added here if you have fruit positions
+                _ => {}
+            }
+        }
+    }
+    edibles
+}

src/entity/ghost.rs

@@ -3,7 +3,7 @@ use rand::Rng;
 use rand::SeedableRng;
 
 use crate::constants::{MapTile, BOARD_WIDTH};
-use crate::direction::Direction;
+use crate::entity::direction::Direction;
 use crate::entity::pacman::Pacman;
 use crate::entity::{Entity, MovableEntity, Moving, Renderable};
 use crate::map::Map;

src/entity/mod.rs

@@ -1,10 +1,12 @@
 pub mod blinky;
+pub mod direction;
+pub mod edible;
 pub mod ghost;
 pub mod pacman;
 
 use crate::{
     constants::{MapTile, BOARD_OFFSET, BOARD_WIDTH, CELL_SIZE},
-    direction::Direction,
+    entity::direction::Direction,
     map::Map,
     modulation::SimpleTickModulator,
 };

src/entity/pacman.rs

@@ -8,8 +8,7 @@ use sdl2::{
 };
 
 use crate::{
-    direction::Direction,
-    entity::{Entity, MovableEntity, Moving, Renderable, StaticEntity},
+    entity::{direction::Direction, Entity, MovableEntity, Moving, Renderable, StaticEntity},
     map::Map,
     modulation::{SimpleTickModulator, TickModulator},
     texture::animated::AnimatedAtlasTexture,