feat: new edible type for pellet/powerpellet, fruits, separate static/moving entities

src/edible.rs

@@ -0,0 +1,90 @@
+//! Edible entity for Pac-Man: pellets, power pellets, and fruits.
+use crate::animation::{AtlasTexture, FrameDrawn};
+use crate::constants::{FruitType, MapTile, BOARD_HEIGHT, BOARD_WIDTH};
+use crate::direction::Direction;
+use crate::entity::{Entity, Renderable};
+use crate::map::Map;
+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: crate::entity::StaticEntity,
+    pub kind: EdibleKind,
+    pub sprite: std::rc::Rc<AtlasTexture<'a>>,
+}
+
+impl<'a> Edible<'a> {
+    pub fn new(
+        kind: EdibleKind,
+        cell_position: (u32, u32),
+        sprite: std::rc::Rc<AtlasTexture<'a>>,
+    ) -> Self {
+        let pixel_position = crate::map::Map::cell_to_pixel(cell_position);
+        Edible {
+            base: crate::entity::StaticEntity::new(pixel_position, cell_position),
+            kind,
+            sprite,
+        }
+    }
+
+    /// Checks collision with Pac-Man (or any entity)
+    pub fn collide(&self, pacman: &dyn crate::entity::Entity) -> bool {
+        self.base.is_colliding(pacman)
+    }
+}
+
+impl<'a> Entity for Edible<'a> {
+    fn base(&self) -> &crate::entity::StaticEntity {
+        &self.base
+    }
+}
+
+impl<'a> Renderable for Edible<'a> {
+    fn render(&self, canvas: &mut Canvas<Window>) {
+        self.sprite
+            .render(canvas, self.base.pixel_position, Direction::Right, Some(0));
+    }
+}
+
+/// Reconstruct all edibles from the original map layout
+pub fn reconstruct_edibles<'a>(
+    map: Rc<RefCell<Map>>,
+    pellet_sprite: std::rc::Rc<AtlasTexture<'a>>,
+    power_pellet_sprite: std::rc::Rc<AtlasTexture<'a>>,
+    fruit_sprite: std::rc::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((x as i32, y as i32));
+            let cell = (x, y);
+            match tile {
+                Some(MapTile::Pellet) => {
+                    edibles.push(Edible::new(
+                        EdibleKind::Pellet,
+                        cell,
+                        Rc::clone(&pellet_sprite),
+                    ));
+                }
+                Some(MapTile::PowerPellet) => {
+                    edibles.push(Edible::new(
+                        EdibleKind::PowerPellet,
+                        cell,
+                        Rc::clone(&power_pellet_sprite),
+                    ));
+                }
+                // Fruits can be added here if you have fruit positions
+                _ => {}
+            }
+        }
+    }
+    edibles
+}