added engine as a crate into server project, implemented request moves event

engine/Cargo.toml

@@ -5,3 +5,5 @@ edition = "2024"
 
 [dependencies]
 once_cell = "1.19"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"

engine/src/boardsquare.rs

@@ -1,32 +1,31 @@
+use serde::{Deserialize, Serialize};
 
+#[derive(Serialize, Deserialize)]
 pub struct BoardSquare {
     pub x: usize,
-  pub y: usize
+    pub y: usize,
 }
 
 impl BoardSquare {
-
     pub fn new() -> Self {
-    return Self{
-      x: 0,
-      y: 0
-    };
+        return Self { x: 0, y: 0 };
     }
 
     pub fn from_coord(x: usize, y: usize) -> Self {
-    
         #[cfg(debug_assertions)]
         {
             if x > 7 {
-        println!("Warning: x coordinate of square is bigger than 7, it might not be on the board!");
+                println!(
+                    "Warning: x coordinate of square is bigger than 7, it might not be on the board!"
+                );
             }
             if y > 7 {
-        println!("Warning: y coordinate of square is bigger than 7, it might not be on the board!");
+                println!(
+                    "Warning: y coordinate of square is bigger than 7, it might not be on the board!"
+                );
             }
         }
-    return Self {
-      x: x,
-      y: y
-    };
+        return Self { x: x, y: y };
     }
 }
+

engine/src/chessmove.rs

@@ -1,10 +1,11 @@
 use crate::piecetype;
 
 use super::boardsquare::BoardSquare;
-use super::piecetype::PieceType;
 use super::movetype::MoveType;
+use super::piecetype::PieceType;
+use serde::{Deserialize, Serialize};
 
-
+#[derive(Serialize, Deserialize)]
 pub struct ChessMove {
     pub move_type: MoveType,
     pub piece_type: PieceType,
@@ -12,16 +13,15 @@ pub struct ChessMove {
     pub to_square: BoardSquare,
     pub rook_from: BoardSquare,
     pub rook_to: BoardSquare,
-  pub promotion_piece: Option<PieceType>
+    pub promotion_piece: Option<PieceType>,
 }
 
 impl ChessMove {
-
     pub fn quiet(
         piece_type: PieceType,
         from_square: BoardSquare,
         to_square: BoardSquare,
-    promotion_piece: Option<PieceType>
+        promotion_piece: Option<PieceType>,
     ) -> Self {
         return Self {
             move_type: MoveType::Quiet,
@@ -30,15 +30,15 @@ impl ChessMove {
             to_square: to_square,
             rook_from: BoardSquare::new(),
             rook_to: BoardSquare::new(),
-      promotion_piece: promotion_piece
-    }
+            promotion_piece: promotion_piece,
+        };
     }
 
     pub fn capture(
         piece_type: PieceType,
         from_square: BoardSquare,
         to_square: BoardSquare,
-    promotion_piece: Option<PieceType>
+        promotion_piece: Option<PieceType>,
     ) -> Self {
         return Self {
             move_type: MoveType::Capture,
@@ -47,8 +47,8 @@ impl ChessMove {
             to_square: to_square,
             rook_from: BoardSquare::new(),
             rook_to: BoardSquare::new(),
-      promotion_piece: promotion_piece
-    }
+            promotion_piece: promotion_piece,
+        };
     }
 
     pub fn castle(
@@ -56,7 +56,7 @@ impl ChessMove {
         from_square: BoardSquare,
         to_square: BoardSquare,
         rook_from: BoardSquare,
-    rook_to: BoardSquare
+        rook_to: BoardSquare,
     ) -> Self {
         return Self {
             move_type: MoveType::Quiet,
@@ -65,7 +65,7 @@ impl ChessMove {
             to_square: to_square,
             rook_from: rook_from,
             rook_to: rook_to,
-      promotion_piece: None
-    }
+            promotion_piece: None,
+        };
     }
 }

engine/src/movetype.rs

@@ -1,7 +1,11 @@
+use serde::Deserialize;
+use serde::Serialize;
 
+#[derive(Serialize, Deserialize)]
 pub enum MoveType {
     Quiet,
     Capture,
     Castle,
-  EnPassant
+    EnPassant,
 }
+

engine/src/piecetype.rs

@@ -1,4 +1,6 @@
+use serde::{Deserialize, Serialize};
 
+#[derive(Serialize, Deserialize)]
 pub enum PieceType {
     WhitePawn,
     WhiteKnight,
@@ -11,5 +13,6 @@ pub enum PieceType {
     BlackBishop,
     BlackRook,
     BlackQueen,
-  BlackKing
+    BlackKing,
 }
+

server/Cargo.toml

@@ -14,6 +14,8 @@ url = "2.5.7"
 uuid = {version = "1.18.1", features = ["v4", "serde"] }
 anyhow = "1.0.100"
 rand = "0.9.2"
+engine = {path = "../engine/"}
+
 
 [[bin]]
 name = "client"

server/src/connection.rs

@@ -1,4 +1,5 @@
 use crate::connection::ClientEvent::*;
+use engine::get_available_moves;
 use futures_util::{SinkExt, StreamExt};
 use serde::{Deserialize, Serialize};
 use std::collections::{HashMap, VecDeque};
@@ -190,6 +191,17 @@ pub async fn handle_connection(
                     println!("Appended {} to the waiting queue", player_id);
                     println!("queue {:?}", wait_queue);
                 }
+                Move { from, to } => {}
+                RequestLegalMoves { fen } => {
+                    let moves = get_available_moves(&fen);
+                    let _ = send_message_to_player(
+                        &connections,
+                        player_id,
+                        &serde_json::to_string(&moves).unwrap(),
+                    )
+                    .await;
+                    println!("Sent moves to player: {}", player_id);
+                }
                 _ => {}
             }
         }