Add move generation for all pieces (minus castling) and tests

src/board.rs

@@ -13,6 +13,10 @@ pub struct Board {
     pub black_pieces: [Piece; 6],
     pub state: State,
 }
+use crate::movegen::{
+    bishop_pseudo_moves, king_pseudo_moves, knight_pseudo_moves, pawn_pseudo_moves,
+    queen_pseudo_moves, rook_pseudo_moves, Move,
+};
 
 impl Board {
     pub const fn new() -> Self {
@@ -96,6 +100,37 @@ impl Board {
             || enemy[Kind::Queen.idx()].bitboard & get_queen_attacks(all_occupancies, sq) != 0
             || enemy[Kind::King.idx()].bitboard & get_king_attacks(sq) != 0
     }
+
+    pub fn pseudo_moves(&self, color: Color, kind: Kind) -> Vec<Move> {
+        let all_occupancies = self.get_all_occupancies();
+        let (pieces, enemy_occupancies, own_occupancies) = match color {
+            Color::White => (
+                self.white_pieces[kind.idx()].bitboard,
+                self.get_black_occupancies(),
+                self.get_white_occupancies(),
+            ),
+            Color::Black => (
+                self.black_pieces[kind.idx()].bitboard,
+                self.get_white_occupancies(),
+                self.get_black_occupancies(),
+            ),
+        };
+
+        match kind {
+            Kind::Pawn => pawn_pseudo_moves(
+                pieces,
+                all_occupancies,
+                enemy_occupancies,
+                self.state,
+                color,
+            ),
+            Kind::Knight => knight_pseudo_moves(pieces, own_occupancies),
+            Kind::Bishop => bishop_pseudo_moves(pieces, all_occupancies, own_occupancies),
+            Kind::Rook => rook_pseudo_moves(pieces, all_occupancies, own_occupancies),
+            Kind::Queen => queen_pseudo_moves(pieces, all_occupancies, own_occupancies),
+            Kind::King => king_pseudo_moves(pieces, own_occupancies),
+        }
+    }
 }
 
 impl Default for Board {
@@ -167,12 +202,12 @@ pub enum Kind {
 }
 
 impl Kind {
-    fn idx(&self) -> usize {
+    pub const fn idx(&self) -> usize {
         *self as usize
     }
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Copy, Clone)]
 pub enum Color {
     White,
     Black,
@@ -184,9 +219,7 @@ mod tests {
 
     use super::*;
 
-    const FEN_EXAMPLE: [&str; 1] = [
-        "8/6P1/4n2b/1p6/1Kp5/6n1/4b3/1k6 w - - 0 1",
-    ];
+    const FEN_EXAMPLE: [&str; 1] = ["8/6P1/4n2b/1p6/1Kp5/6n1/4b3/1k6 w - - 0 1"];
 
     #[test]
     fn test_get_all_occupancies() -> Result<(), String> {