From c88fbe68e310a023d60f5fa3d854faf993dfecd3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Varga=20D=C3=A1vid=20Lajos?=
 <vargadavidlajos@mailbox.unideb.hu>
Date: Sat, 15 Nov 2025 10:06:12 +0100
Subject: [PATCH] added and used necessary methods the initial state
 constructor

---
 engine/src/bitboard/board.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/engine/src/bitboard/board.rs b/engine/src/bitboard/board.rs
index 85abea4..3d3695d 100644
--- a/engine/src/bitboard/board.rs
+++ b/engine/src/bitboard/board.rs
@@ -50,4 +50,26 @@ impl Board {
     return bit_board;
   }
 
+
+
+  fn calc_occupancy(&mut self) {
+    self.occupancy = [0u64; 3];
+    for b in 0..6 {
+      self.occupancy[0] |= self.bitboards[b];
+    }
+    for b in 6..12 {
+      self.occupancy[1] |= self.bitboards[b];
+    }
+    self.occupancy[2] = self.occupancy[0] | self.occupancy[1];
+  }
+  fn calc_piece_board(&mut self) {
+    for sq in 0..64 {
+      for b in 0..12 {
+        if (self.bitboards[b as usize] & 1 << sq) != 0 {
+          self.piece_board[sq] = b;
+        }
+      }
+    }
+  }
+
 }
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