1 files changed, 15 insertions, 2 deletions
diff --git a/src/board.cpp b/src/board.cpp
index 172a9be..54df662 100644
--- a/src/board.cpp
+++ b/src/board.cpp
@@ -36,7 +36,7 @@ Piece createPiece(pieceType type, bool color, bool moved) {
   piece.moved = moved;
   return piece;
 };
-void printBoard(board *b) {
+void printBoard(Board *b) {
   std::string line = "  +-----------------+\n";
   std::string whiteLetters = "    a b c d e f g h\n";
   std::string blackLetters = "    h g f e d c b a\n";
@@ -89,4 +89,17 @@ void printBoard(board *b) {
   std::println("Castling: {}", b->castle);
 }
 
-// void PlayMove(Move move, board *b) { return; }
+void PlayMove(Move move, Board *b) {
+  // TODO: add all fide behavior
+  Piece piece = b->pieces[PositionToIndex(move.From)];
+  Piece piece2 = b->pieces[PositionToIndex(move.To)];
+  if (piece2.type != NONE) {
+    if (piece2.color == b->turn) {
+      assert(false && "capturing friendly piece error");
+    }
+  }
+  b->pieces[PositionToIndex(move.To)] = piece;
+  b->pieces[PositionToIndex(move.From)] = {false, NONE, false};
+  return;
+}
+int PositionToIndex(Position i) { return i.rank * 8 + i.file; }