Commit working directory

src/board.rs

@@ -0,0 +1,97 @@
+use std::fmt;
+use u64 as Bitboard;
+
+pub struct Board {
+    white_pieces: [Piece; 6],
+    black_pieces: [Piece; 6],
+}
+
+impl Board {
+    pub fn new() -> Board {
+        Board {
+            white_pieces: [
+                Piece::new(0xff00, Kind::Pawn, Color::White),
+                Piece::new(0x81, Kind::Rook, Color::White),
+                Piece::new(0x42, Kind::Knight, Color::White),
+                Piece::new(0x24, Kind::Bishop, Color::White),
+                Piece::new(0x8, Kind::Queen, Color::White),
+                Piece::new(0x10, Kind::King, Color::White),
+            ],
+            black_pieces: [
+                Piece::new(0xff000000000000, Kind::Pawn, Color::Black),
+                Piece::new(0x8100000000000000, Kind::Rook, Color::Black),
+                Piece::new(0x4200000000000000, Kind::Knight, Color::Black),
+                Piece::new(0x2400000000000000, Kind::Bishop, Color::Black),
+                Piece::new(0x1000000000000000, Kind::Queen, Color::Black),
+                Piece::new(0x800000000000000, Kind::King, Color::Black),
+            ],
+        }
+    }
+}
+
+impl fmt::Display for Board {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        for piece in &self.white_pieces {
+            writeln!(
+                f,
+                "Color: {:?}\nKind: {:?}\n{piece}",
+                piece.color, piece.kind
+            )?;
+        }
+        writeln!(f, "")?;
+        for piece in &self.black_pieces {
+            writeln!(
+                f,
+                "Color: {:?}\nKind: {:?}\n{piece}",
+                piece.color, piece.kind
+            )?;
+        }
+        write!(f, "")
+    }
+}
+
+pub struct Piece {
+    pub position: Bitboard,
+    pub kind: Kind,
+    pub color: Color,
+}
+
+impl Piece {
+    pub fn new(position: Bitboard, kind: Kind, color: Color) -> Piece {
+        Piece {
+            position,
+            kind,
+            color,
+        }
+    }
+}
+
+impl fmt::Display for Piece {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        for rank in (0..8).rev() {
+            for file in 0..8 {
+                let square = 1 << (rank * 8 + file);
+                let position = if square & self.position != 0x0 { 1 } else { 0 };
+                write!(f, "{} ", position)?;
+            }
+            writeln!(f, "")?;
+        }
+        write!(f, "")
+    }
+}
+
+#[derive(Debug)]
+pub enum Kind {
+    Pawn,
+    Rook,
+    Knight,
+    Bishop,
+    Queen,
+    King,
+}
+
+#[derive(Debug)]
+pub enum Color {
+    White,
+    Black,
+}