2048_rust

public

Small 2048 game in Rust

Star0

Watch0

Commit `59d388c5a3ed`

Jaglekon <jaglekon@jaglekon.de>2026-09-14 14:18 UTC

1 file changed+14-9

made some none

Modified file: src/main.rs+14 additions−9 deletions@@ -43,7 +43,7 @@ fn move_field(direction: Direction, field: [[u16; 4]; 4]) -> [[u16; 4]; 4] {
         return field;
     }
 
-    let mut new_field = field.clone();
+    let mut new_field = field;
 
     for i in 0..4 {
         let mut lock = false;
@@ -141,6 +141,16 @@ fn has_lost(field: [[u16; 4]; 4]) -> bool {
     true
 }
 
+fn get_direction(input: u8) -> Option<Direction> {
+    match input {
+        0x41 => Some(Direction::Up),
+        0x42 => Some(Direction::Down),
+        0x43 => Some(Direction::Right),
+        0x44 => Some(Direction::Left),
+        _ => None,
+    }
+}
+
 fn main() {
     let fd = stdin().as_raw_fd();
 
@@ -175,16 +185,11 @@ fn main() {
         }
 
         if n == 3 && buf[0] == 0x1b && buf[1] == 0x5b {
-            let direction: Direction = match buf[2] {
-                0x41 => Direction::Up,
-                0x42 => Direction::Down,
-                0x43 => Direction::Right,
-                0x44 => Direction::Left,
-                _ => Direction::None,
+            let tmp = match get_direction(buf[2]) {
+                Some(direction) => move_field(direction, field),
+                None => continue,
             };
 
-            let tmp = move_field(direction, field);
-
             if tmp != field {
                 field = tmp;