feat: improve UCI position fen moves case

1 files changed, 13 insertions, 5 deletions

diff --git a/src/board/io.rs b/src/board/io.rs
index 15d7744..78651d5 100644
--- a/src/board/io.rs
+++ b/src/board/io.rs
@@ -49,7 +49,9 @@ impl IO for Board {
         let mut rank = 7;
         let mut file = 0i32;
 
-        for character in fen.chars() {
+        let mut chars = fen.chars();
+
+        for character in chars.by_ref() {
             let index = rank * 8 + file;
             let position = 1 << index.clamp(0, 63);
 
@@ -79,20 +81,26 @@ impl IO for Board {
                         rank -= 1;
                         file = -1; // So it becomes 0
                     },
-                    ' ' => { break }, // TODO: break for now, parse everything else later
-                    '-' => {}, // TODO
-                    'w' => {}, // TODO
+                    ' ' => { break },
                     _ => todo!("Unexpected character!"),
                 }
                 file += 1;
             }
         }
 
+        let ply = match chars.next() {
+            Some(char) => match char {
+                'w' => 0,
+                'b' => 1,
+                 _ => panic!("Expected side to move"),
+            }
+            None => panic!("Expected side to move"),
+        };
 
         let mut board = Self {
             piece_sets,
             occupancy: 0,
-            ply: 0,
+            ply,
             attacks: Attacks::new(),
             castling_rights: [[true; 2]; 2], // TODO: actualy parse from FEN
             ep_target: None, // TODO: parse from FEN