refactor: impl static_eval for PieceType

1 files changed, 12 insertions, 0 deletions

diff --git a/src/board/mod.rs b/src/board/mod.rs
index 2ff7f9c..61327eb 100644
--- a/src/board/mod.rs
+++ b/src/board/mod.rs
@@ -58,6 +58,18 @@ impl PieceType {
         let index = *self as usize;
         Self::from(index % 6)
     }
+    // Return the price of the peice
+    pub fn static_eval(&self) -> f32 {
+        match self.without_color() {
+            PieceType::Pawn => 1.,
+            PieceType::Bishop => 3.,
+            PieceType::Knight => 3.,
+            PieceType::Rook => 4.5,
+            PieceType::Queen => 9.,
+            PieceType::King => 0.,
+            _ => panic!("Piece should be without color"),
+        }
+    }
 }
 
 const PIECE_CHARS: [&str; 12] = [