split off game_inner

src/game.rs

@@ -1,115 +1,22 @@
 use crate::{
     agent::Agent,
+    game_inner::GameInner,
     repr::{Board, Piece, Winner},
 };
 
 pub struct Game {
-    players: [Box<dyn Agent>; 2],
-    board: Board,
-}
-
-impl std::fmt::Display for Game {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        writeln!(
-            f,
-            "Players: {} ({}) and {} ({})",
-            self.players[0].name(),
-            self.players[0].color().symbol(),
-            self.players[1].name(),
-            self.players[1].color().symbol()
-        )?;
-        write!(f, "{}", self.board)?;
-        Ok(())
-    }
+    inner: GameInner,
 }
 
 #[allow(dead_code)]
 impl Game {
     pub fn new(player1: Box<dyn Agent>, player2: Box<dyn Agent>) -> Self {
-        let player1_color = player1.color();
-        let player2_color = player2.color();
-        assert_ne!(
-            player1_color,
-            player2_color,
-            "Both players cannot have the same color {}",
-            player1_color.text()
-        );
-
-        assert_eq!(player1_color, Piece::Black, "player 1 must playing black");
-        assert_eq!(player2_color, Piece::White, "player 2 must play white");
-
         Self {
-            players: [player1, player2],
-            board: Board::new().starting_pos(),
+            inner: GameInner::new(player1, player2, true),
         }
     }
 
-    // Handle when a move is made
-    pub fn step(&mut self, player_i: usize) {
-        let player_color = self.players[player_i].color();
-
-        // TODO! move this to `ManualAgent` as it's only really useful
-        // when it comes to human input
-        loop {
-            let player_move = self.players[player_i].next_move(&self.board);
-
-            if let Some(coord) = player_move {
-                match self.board.place(coord, player_color) {
-                    // Check if its a valid move
-                    Ok(_) => {
-                        println!("Player {} placed at {}", player_i, coord);
-                        break;
-                    }
-
-                    // Lets the player try again if the move is invalid
-                    // Now we dont need to restart the game if we mess up
-                    Err(err) => {
-                        panic!(
-                            "Invalid move by Player {}: {}. Try again. Move: {}",
-                            player_i, err, coord
-                        );
-                    }
-                }
-            } else {
-                println!("Player {} did not make a move!", player_i);
-                // players are able to skip a move if they have no valid moves to make
-                if self.board.possible_moves(player_color).any(|_| true) {
-                    println!(
-                        "Player {} has possible moves, but skipped (invalid)",
-                        player_i
-                    );
-                    continue;
-                }
-                return; // No valid move available
-            }
-        }
-    }
-
-    // TODO! make this loop good
     pub fn game_loop(&mut self) {
-        let mut current_player: usize = 0;
-
-        loop {
-            // alternate which player plays
-
-            current_player %= self.players.len();
-
-            println!("{}", self);
-
-            match self.board.game_winner() {
-                Winner::Player(piece) => {
-                    println!("{} Wins!", piece.text());
-                    break;
-                }
-                Winner::Tie => {
-                    println!("Game Tied!");
-                    break;
-                }
-                Winner::None => {}
-            }
-
-            self.step(current_player);
-            current_player += 1;
-        }
+        self.inner.game_loop();
     }
 }

src/game_inner.rs

@@ -0,0 +1,128 @@
+use crate::{
+    agent::Agent,
+    repr::{Board, Piece, Winner},
+};
+
+impl std::fmt::Display for GameInner {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        writeln!(
+            f,
+            "Players: {} ({}) and {} ({})",
+            self.players[0].name(),
+            self.players[0].color().symbol(),
+            self.players[1].name(),
+            self.players[1].color().symbol()
+        )?;
+        write!(f, "{}", self.board)?;
+        Ok(())
+    }
+}
+
+pub struct GameInner {
+    players: [Box<dyn Agent>; 2],
+    board: Board,
+    do_print: bool,
+}
+
+impl GameInner {
+    pub fn new(player1: Box<dyn Agent>, player2: Box<dyn Agent>, do_print: bool) -> Self {
+        let player1_color = player1.color();
+        let player2_color = player2.color();
+        assert_ne!(
+            player1_color,
+            player2_color,
+            "Both players cannot have the same color {}",
+            player1_color.text()
+        );
+
+        assert_eq!(player1_color, Piece::Black, "player 1 must playing black");
+        assert_eq!(player2_color, Piece::White, "player 2 must play white");
+
+        Self {
+            players: [player1, player2],
+            board: Board::new().starting_pos(),
+            do_print,
+        }
+    }
+
+    // Handle when a move is made
+    pub fn step(&mut self, player_i: usize) {
+        let player_color = self.players[player_i].color();
+
+        // TODO! move this to `ManualAgent` as it's only really useful
+        // when it comes to human input
+        loop {
+            let player_move = self.players[player_i].next_move(&self.board);
+
+            if let Some(coord) = player_move {
+                match self.board.place(coord, player_color) {
+                    // Check if its a valid move
+                    Ok(_) => {
+                        if self.do_print {
+                            println!("Player {} placed at {}", player_i, coord);
+                        }
+                        break;
+                    }
+
+                    Err(err) => {
+                        panic!(
+                            "Invalid move by Player {}: {}. Move: {}",
+                            player_i, err, coord
+                        );
+                    }
+                }
+            } else {
+                println!("Player {} did not make a move!", player_i);
+                // players are able to skip a move if they have no valid moves to make
+                if self.board.possible_moves(player_color).next().is_some() {
+                    if self.do_print {
+                        println!(
+                            "Player {} has possible moves, but skipped (invalid)",
+                            player_i
+                        );
+                    }
+                    continue;
+                }
+                return; // No valid move available
+            }
+        }
+    }
+    // TODO! make this loop good
+    pub fn game_loop(&mut self) {
+        let mut current_player: usize = 0;
+
+        loop {
+            // alternate which player plays
+
+            current_player %= self.players.len();
+
+            if self.do_print {
+                println!("{}", self);
+            }
+
+            match self.board.game_winner() {
+                Winner::Player(piece) => {
+                    if self.do_print {
+                        println!("{} Wins!", piece.text());
+                    }
+                    break;
+                }
+                Winner::Tie => {
+                    if self.do_print {
+                        println!("Game Tied!");
+                    }
+                    break;
+                }
+                Winner::None => {}
+            }
+
+            self.step(current_player);
+            current_player += 1;
+        }
+    }
+
+    pub fn loop_until_result(&mut self) -> Winner {
+        self.game_loop();
+        self.board.game_winner()
+    }
+}

src/lib.rs

@@ -1,5 +1,6 @@
 mod agent;
 mod complexagent;
 mod game;
+mod game_inner;
 pub mod logic;
 pub mod repr;

src/main.rs

@@ -5,6 +5,7 @@ use repr::Piece;
 mod agent;
 mod complexagent;
 mod game;
+mod game_inner;
 mod logic;
 pub mod repr;