added attribution

src/game_server.rs

@@ -11,9 +11,15 @@ pub struct GameServer {}
 
 impl GameServer {
     pub async fn handle(socket: &mut TcpStream) -> Result<(), String> {
-        send_text("Connect 4\nChoose your difficulty [1-9]: ", socket).await?;
+        send_text(
+            ("Game AI designed by https://balkarjun.github.io\n".to_string()
+                + "Game interface coded by https://cqql.site\n\n"
+                + "Connect 4\nChoose your difficulty [1-9]: ").as_str(),
+            socket,
+        )
+        .await?;
 
-        let depth = get_one_char(b"123456789", socket).await? - b'0';
+        let depth = get_one_char(b"123456789", socket).await? - b'0' + 2;
 
         println!("Difficulty: {depth}");
 
@@ -22,14 +28,14 @@ impl GameServer {
         let mut end_score: i64 = -1;
 
         while end_score == -1 {
-            
             match board.counter % 2 == 0 {
                 true => {
                     send_text(format!("Move {}:\n", board.counter).as_str(), socket).await?;
                     send_text(board.to_string().as_str(), socket).await?;
-                    
+
                     send_text("Choose column: ", socket).await?;
                     let mut player_move = get_one_char(b"1234567", socket).await? - b'0';
+                    send_text("[AI thinking]\n", socket).await?;
                     while !board.move_is_valid((player_move - 1).into()) {
                         send_text("Illegal move.\nChoose column: ", socket).await?;
                         player_move = get_one_char(b"1234567", socket).await? - b'0';
@@ -38,7 +44,7 @@ impl GameServer {
                     board.make_move((player_move - 1).into());
                     end_score = board.end_state_reached();
                     send_text("\n", socket).await?;
-                },
+                }
                 false => {
                     let best_move = connect4::get_minimax_move(&mut board, depth.into());
 
@@ -49,15 +55,17 @@ impl GameServer {
         }
 
         if end_score == 0 {
-            send_text( "It's a Tie\n\n", socket).await?;
+            send_text("It's a Tie\n\n", socket).await?;
         } else if end_score > 0 {
             send_text("White (●) Won!\n\n", socket).await?;
         } else {
             send_text("Black (○) Won!\n\n", socket).await?;
         }
-        
+
         send_text(&board.to_string(), socket).await?;
 
+        send_text("Reconnect to play again\n", socket).await?;
+
         Ok(())
     }
 }