From f29298731bb1438dd4332a5c745fe115688e05bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Varga=20D=C3=A1vid=20Lajos?=
 <vargadavidlajos@mailbox.unideb.hu>
Date: Fri, 21 Nov 2025 14:07:27 +0100
Subject: [PATCH] implemented conversion method to_index for enum PieceType

---
 engine/src/piecetype.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/engine/src/piecetype.rs b/engine/src/piecetype.rs
index 550fac0..92a7e7b 100644
--- a/engine/src/piecetype.rs
+++ b/engine/src/piecetype.rs
@@ -35,4 +35,20 @@ impl PieceType {
             _ => panic!("invalid piece index! should NEVER appear")
         }
     }
+    pub(in super) fn to_index(&self) -> u8 {
+        return match self {
+            &PieceType::WhitePawn => 0,
+            &PieceType::WhiteKnight => 1,
+            &PieceType::WhiteBishop => 2,
+            &PieceType::WhiteRook => 3,
+            &PieceType::WhiteQueen => 4,
+            &PieceType::WhiteKing => 5,
+            &PieceType::BlackPawn => 6,
+            &PieceType::BlackKnight => 7,
+            &PieceType::BlackBishop => 8,
+            &PieceType::BlackRook => 9,
+            &PieceType::BlackQueen => 10,
+            &PieceType::BlackKing => 11
+        }
+    }
 }
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