From 9fa298ed5185e73e4662917360232735e2832cda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Varga=20D=C3=A1vid=20Lajos?=
 <vargadavidlajos@mailbox.unideb.hu>
Date: Thu, 20 Nov 2025 12:26:16 +0100
Subject: [PATCH] implemented general move generation method for queens

---
 engine/src/bitboard/movegen/queens.rs | 37 ++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/engine/src/bitboard/movegen/queens.rs b/engine/src/bitboard/movegen/queens.rs
index 9148c04..95951a8 100644
--- a/engine/src/bitboard/movegen/queens.rs
+++ b/engine/src/bitboard/movegen/queens.rs
@@ -1 +1,36 @@
-use super::*;
\ No newline at end of file
+use super::*;
+
+impl Board {
+
+  fn add_queen_moves(&self, capture_buffer: &mut MoveBuffer, quiet_buffer: &mut MoveBuffer, move_mask: u64) {
+    let piece_index = 4 + self.side_to_move * 6;
+    let mut queens = self.bitboards[piece_index as usize];
+    let empty = !self.occupancy[2];
+    let opponents = self.occupancy[1 - self.side_to_move as usize];
+    while queens != 0 {
+      let from_sq = pop_lsb(&mut queens);
+      let raw_move_map = self.get_pseudo_queen_moves(from_sq) & move_mask;
+      let move_map = self.get_pin_masked_moves(raw_move_map, from_sq);
+
+      let mut quiet_map = move_map & empty;
+      let mut capture_map = move_map & opponents;
+
+      while quiet_map != 0 {
+        let to_sq = pop_lsb(&mut quiet_map);
+        quiet_buffer.add(BitMove::quiet(
+          from_sq as u8,
+          to_sq as u8,
+          None
+        ));
+      }
+      while capture_map != 0 {
+        let to_sq = pop_lsb(&mut capture_map);
+        capture_buffer.add(BitMove::capture(
+          from_sq as u8,
+          to_sq as u8,
+          None
+        ));
+      }
+    }
+  }
+}
\ No newline at end of file