add switching sides

player/human.rs

@@ -8,10 +8,10 @@ pub struct PlayerConsole {
 }
 
 impl PlayerConsole {
-    pub fn new(name: &str, p: Cell) -> impl Player {
+    pub fn new(name: &str) -> impl Player {
         PlayerConsole {
             name: name.to_owned(),
-            piece: p,
+            piece: Cell::CellEmpty,
         }
     }
 
@@ -19,6 +19,13 @@ impl PlayerConsole {
         return self.name.as_str();
     }
 
+    pub fn start_new_game(&mut self, p: Cell) -> Result<(), Box<dyn std::error::Error>> {
+        self.piece = p;
+        println!("{}, you are now playing {}", self.name, p);
+
+        Ok(())
+    }
+
     pub fn request_move(&self, _: &Board) -> Result<Move, Box<dyn std::error::Error>> {
         let mut x: usize = 0;
         let mut y: usize = 0;
@@ -65,6 +72,10 @@ impl PlayerConsole {
 }
 
 impl Player for PlayerConsole {
+    fn start_new_game(&mut self, p: Cell) -> Result<(), Box<dyn std::error::Error>> {
+        return self.start_new_game(p);
+    }
+
     fn request_move(&self, b: &Board) -> Result<Move, Box<dyn std::error::Error>> {
         self.request_move(b)
     }

player/mod.rs

@@ -1,9 +1,10 @@
 mod human;
-use crate::game::{Board, Move};
+use crate::game::{Board, Cell, Move};
 
 pub use human::PlayerConsole;
 
 pub trait Player {
+    fn start_new_game(&mut self, p: Cell) -> Result<(), Box<dyn std::error::Error>>;
     fn request_move(&self, b: &Board) -> Result<Move, Box<dyn std::error::Error>>;
     fn name(&self) -> &str;
 }