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

engine/Cargo.toml

@@ -4,4 +4,6 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-once_cell = "1.19"
+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 x: usize,
+    pub y: usize,
 }
 
 impl BoardSquare {
-
-  pub fn new() -> Self {
-    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!");
-      }
-      if y > 7 {
-        println!("Warning: y coordinate of square is bigger than 7, it might not be on the board!");
-      }
+    pub fn new() -> Self {
+        return Self { x: 0, y: 0 };
     }
-    return Self {
-      x: x,
-      y: y
-    };
-  }
-}
+
+    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!"
+                );
+            }
+            if y > 7 {
+                println!(
+                    "Warning: y coordinate of square is bigger than 7, it might not be on the board!"
+                );
+            }
+        }
+        return Self { x: x, y: y };
+    }
+}
+

engine/src/chessmove.rs

@@ -1,71 +1,71 @@
 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,
-  pub from_square: BoardSquare,
-  pub to_square: BoardSquare,
-  pub rook_from: BoardSquare,
-  pub rook_to: BoardSquare,
-  pub promotion_piece: Option<PieceType>
+    pub move_type: MoveType,
+    pub piece_type: PieceType,
+    pub from_square: BoardSquare,
+    pub to_square: BoardSquare,
+    pub rook_from: BoardSquare,
+    pub rook_to: BoardSquare,
+    pub promotion_piece: Option<PieceType>,
 }
 
 impl ChessMove {
-
-  pub fn quiet(
-    piece_type: PieceType,
-    from_square: BoardSquare,
-    to_square: BoardSquare,
-    promotion_piece: Option<PieceType>
-  ) -> Self {
-    return Self {
-      move_type: MoveType::Quiet,
-      piece_type: piece_type,
-      from_square: from_square,
-      to_square: to_square,
-      rook_from: BoardSquare::new(),
-      rook_to: BoardSquare::new(),
-      promotion_piece: promotion_piece
+    pub fn quiet(
+        piece_type: PieceType,
+        from_square: BoardSquare,
+        to_square: BoardSquare,
+        promotion_piece: Option<PieceType>,
+    ) -> Self {
+        return Self {
+            move_type: MoveType::Quiet,
+            piece_type: piece_type,
+            from_square: from_square,
+            to_square: to_square,
+            rook_from: BoardSquare::new(),
+            rook_to: BoardSquare::new(),
+            promotion_piece: promotion_piece,
+        };
     }
-  }
 
-  pub fn capture(
-    piece_type: PieceType,
-    from_square: BoardSquare,
-    to_square: BoardSquare,
-    promotion_piece: Option<PieceType>
-  ) -> Self {
-    return Self {
-      move_type: MoveType::Capture,
-      piece_type: piece_type,
-      from_square: from_square,
-      to_square: to_square,
-      rook_from: BoardSquare::new(),
-      rook_to: BoardSquare::new(),
-      promotion_piece: promotion_piece
+    pub fn capture(
+        piece_type: PieceType,
+        from_square: BoardSquare,
+        to_square: BoardSquare,
+        promotion_piece: Option<PieceType>,
+    ) -> Self {
+        return Self {
+            move_type: MoveType::Capture,
+            piece_type: piece_type,
+            from_square: from_square,
+            to_square: to_square,
+            rook_from: BoardSquare::new(),
+            rook_to: BoardSquare::new(),
+            promotion_piece: promotion_piece,
+        };
     }
-  }
 
-  pub fn castle(
-    piece_type: PieceType,
-    from_square: BoardSquare,
-    to_square: BoardSquare,
-    rook_from: BoardSquare,
-    rook_to: BoardSquare
-  ) -> Self {
-    return Self {
-      move_type: MoveType::Quiet,
-      piece_type: piece_type,
-      from_square: from_square,
-      to_square: to_square,
-      rook_from: rook_from,
-      rook_to: rook_to,
-      promotion_piece: None
+    pub fn castle(
+        piece_type: PieceType,
+        from_square: BoardSquare,
+        to_square: BoardSquare,
+        rook_from: BoardSquare,
+        rook_to: BoardSquare,
+    ) -> Self {
+        return Self {
+            move_type: MoveType::Quiet,
+            piece_type: piece_type,
+            from_square: from_square,
+            to_square: to_square,
+            rook_from: rook_from,
+            rook_to: rook_to,
+            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
-}
+    Quiet,
+    Capture,
+    Castle,
+    EnPassant,
+}
+

engine/src/piecetype.rs

@@ -1,15 +1,18 @@
+use serde::{Deserialize, Serialize};
 
+#[derive(Serialize, Deserialize)]
 pub enum PieceType {
-  WhitePawn,
-  WhiteKnight,
-  WhiteBishop,
-  WhiteRook,
-  WhiteQueen,
-  WhiteKing,
-  BlackPawn,
-  BlackKnight,
-  BlackBishop,
-  BlackRook,
-  BlackQueen,
-  BlackKing
-}
+    WhitePawn,
+    WhiteKnight,
+    WhiteBishop,
+    WhiteRook,
+    WhiteQueen,
+    WhiteKing,
+    BlackPawn,
+    BlackKnight,
+    BlackBishop,
+    BlackRook,
+    BlackQueen,
+    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);
+                }
                 _ => {}
             }
         }