From 16c7fe2a34a846b57a5fe7c4a705e921be31bf70 Mon Sep 17 00:00:00 2001
From: Arthur Bols <arthur@bols.dev>
Date: Wed, 21 Dec 2022 20:04:22 +0100
Subject: [PATCH] [Board] Add method to print BitBoard

---
 Board.cpp | 19 +++++++++++++++++++
 Board.hpp |  1 +
 2 files changed, 20 insertions(+)

diff --git a/Board.cpp b/Board.cpp
index 2d5ad38..b5c593c 100644
--- a/Board.cpp
+++ b/Board.cpp
@@ -5,6 +5,7 @@
 #include <cmath>
 #include <bitset>
 #include <algorithm>
+#include <iostream>
 
 Board::Board() {
 }
@@ -197,6 +198,24 @@ bool Board::isMoveCastling(const BitBoard &from, const BitBoard &to, const Piece
 
     return (from & indexToBitBoard(E8));
 }
+void Board::printBitBoard(const Board::BitBoard &bb) {
+    // For debugging only, performance isn't important
+    for (int i = 7; i >= 0; i--) {
+        int rank = i * 8;
+        for (int j = 0; j < 8; j++) {
+            // Get the piece for this index. Assume it exists.
+            // Print piece, otherwise '.';
+            if (bb & (1ULL << (rank + j))) {
+                std::cout << 1;
+            } else {
+                std::cout << '.';
+            }
+
+            std::cout << ' ';
+        }
+        std::cout << '\n';
+    }
+}
 
 std::ostream &operator<<(std::ostream &os, const Board &board) {
     // For debugging only, performance isn't important
diff --git a/Board.hpp b/Board.hpp
index c35b690..7755b5e 100644
--- a/Board.hpp
+++ b/Board.hpp
@@ -127,6 +127,7 @@ private:
         return __builtin_ctzll(b);
     }
 
+    static void printBitBoard(const BitBoard &bb);
     void handlePawnDoubleAdvance(const Move &move, BitBoard bb, const Piece &movedPiece);
     void handleEnPassant(const Move &move, const Piece &movedPiece);
 };