refactor: huge refactor into node/graph-based movement system

src/constants.rs

@@ -1,7 +1,11 @@
 //! This module contains all the constants used in the game.
 
+use std::time::Duration;
+
 use glam::UVec2;
 
+pub const LOOP_TIME: Duration = Duration::from_nanos((1_000_000_000.0 / 60.0) as u64);
+
 /// The size of each cell, in pixels.
 pub const CELL_SIZE: u32 = 8;
 /// The size of the game board, in cells.
@@ -39,58 +43,6 @@ pub enum MapTile {
     Tunnel,
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-#[repr(u8)]
-pub enum FruitType {
-    Cherry,
-    Strawberry,
-    Orange,
-    Apple,
-    Melon,
-    Galaxian,
-    Bell,
-    Key,
-}
-
-impl FruitType {
-    pub const ALL: [FruitType; 8] = [
-        FruitType::Cherry,
-        FruitType::Strawberry,
-        FruitType::Orange,
-        FruitType::Apple,
-        FruitType::Melon,
-        FruitType::Galaxian,
-        FruitType::Bell,
-        FruitType::Key,
-    ];
-
-    pub fn score(self) -> u32 {
-        match self {
-            FruitType::Cherry => 100,
-            FruitType::Strawberry => 300,
-            FruitType::Orange => 500,
-            FruitType::Apple => 700,
-            FruitType::Melon => 1000,
-            FruitType::Galaxian => 2000,
-            FruitType::Bell => 3000,
-            FruitType::Key => 5000,
-        }
-    }
-
-    pub fn index(self) -> usize {
-        match self {
-            FruitType::Cherry => 0,
-            FruitType::Strawberry => 1,
-            FruitType::Orange => 2,
-            FruitType::Apple => 3,
-            FruitType::Melon => 4,
-            FruitType::Galaxian => 5,
-            FruitType::Bell => 6,
-            FruitType::Key => 7,
-        }
-    }
-}
-
 /// The raw layout of the game board, as a 2D array of characters.
 pub const RAW_BOARD: [&str; BOARD_CELL_SIZE.y as usize] = [
     "############################",
@@ -106,9 +58,9 @@ pub const RAW_BOARD: [&str; BOARD_CELL_SIZE.y as usize] = [
     "     #.##### ## #####.#     ",
     "     #.##    1     ##.#     ",
     "     #.## ###==### ##.#     ",
-    "######.## #      # ##.######",
-    "T     .   #2 3 4 #   .     T",
-    "######.## #      # ##.######",
+    "######.## ######## ##.######",
+    "T     .   ########   .     T",
+    "######.## ######## ##.######",
     "     #.## ######## ##.#     ",
     "     #.##          ##.#     ",
     "     #.## ######## ##.#     ",