init ; most of tic tac toe done

1 files changed, 67 insertions, 0 deletions

diff --git a/tic_tac_toe/src/board.rs b/tic_tac_toe/src/board.rs
new file mode 100644
index 0000000..5ad23ad
--- /dev/null
+++ b/tic_tac_toe/src/board.rs
@@ -0,0 +1,67 @@
+use std::fmt;
+
+#[derive(Copy, Clone, PartialEq, Debug)]
+pub enum Tile {
+    PlayerOne,
+    PlayerTwo,
+    Unowned,
+}
+
+pub enum GameState {
+    PlayerOneWin,
+    PlayerTwoWin,
+    Draw,
+    InProgress,
+}
+
+impl fmt::Display for Tile {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let sym = match self {
+            Tile::PlayerOne => "X",
+            Tile::PlayerTwo => "O",
+            Tile::Unowned => "_",
+        };
+
+        write!(f, "{sym}")
+    }
+}
+
+pub type Coord = (usize, usize);
+
+pub fn parse_coord(val: &str) -> Result<Coord, &'static str> {
+    let split = val.split(",");
+
+    let res: Vec<usize> = split
+        .map(|v| v.trim().parse::<usize>().expect("Couldn't parse!"))
+        .collect();
+
+    if res.len() != 2 {
+        return Err("Must provide exactly two dimensional coordinates");
+    }
+
+    if res[0] < 1 || res[0] > 3 || res[1] < 1 || res[1] > 3 {
+        return Err("Coordinates must be between 1 and 3");
+    }
+
+    return Ok((res[0] - 1, res[1] - 1));
+}
+
+#[derive(Clone, Debug)]
+pub struct Board {
+    pub state: [[Tile; 3]; 3],
+}
+
+impl Board {
+    pub fn get_at_coord(&self, coord: Coord) -> Tile {
+        self.state[coord.0][coord.1]
+    }
+    pub fn set_at_coord(&mut self, coord: Coord, tile: Tile) -> () {
+        self.state[coord.0][coord.1] = tile;
+    }
+}
+
+pub fn init_board() -> Board {
+    return Board {
+        state: [[Tile::Unowned; 3]; 3],
+    };
+}