[BitBoard] Add kingAttacks method

2022-12-22 11:39:00 +01:00
parent 4157c9200e
commit db23a4c610
2 changed files with 11 additions and 0 deletions
--- a/BitBoard.cpp
+++ b/BitBoard.cpp
@@ -51,3 +51,12 @@ BitBoard BitBoard::southFill() const {
 BitBoard BitBoard::fileFill() const {
    return northFill() | southFill();
 }
+
+BitBoard BitBoard::kingAttacks(const BitBoard bb) {
+    BitBoard result = bb.east() | bb.west() | bb;
+    result |= (result.north() | result.south());
+    result ^= bb;
+
+    return result;
+
+}