ekzyis/chessbot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use inline move function for early returns

Browse Source
This commit is contained in:
ekzyis 2024-09-26 01:08:11 +02:00
parent d6ffd8a57d
commit fddbd145f3
1 changed files with 30 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
chess/board.go
View File

@ -312,10 +312,12 @@ func (b *Board) Move(move string) error {
// TODO: make sure king is not in check after move // TODO: make sure king is not in check after move
// ( this avoids moving into check and moving a piece that exposes the king to check e.g. pinned pieces ) // ( this avoids moving into check and moving a piece that exposes the king to check e.g. pinned pieces )
move_ := func() error {
if len(move) == 2 { if len(move) == 2 {
err = b.movePawn(move, captureFrom) return b.movePawn(move, captureFrom)
} else if len(move) == 3 { }
if len(move) == 3 {
piece = move[0:1] piece = move[0:1]
targetPosition = move[1:3] targetPosition = move[1:3]
@ -328,23 +330,24 @@ func (b *Board) Move(move string) error {
switch strings.ToLower(piece) { switch strings.ToLower(piece) {
case "r": case "r":
err = b.moveRook(targetPosition, false) return b.moveRook(targetPosition, false)
case "b": case "b":
err = b.moveBishop(targetPosition, false) return b.moveBishop(targetPosition, false)
case "n": case "n":
err = b.moveKnight(targetPosition) return b.moveKnight(targetPosition)
case "q": case "q":
err = b.moveQueen(targetPosition) return b.moveQueen(targetPosition)
case "k": case "k":
err = b.moveKing(targetPosition) return b.moveKing(targetPosition)
default: default:
err = fmt.Errorf("invalid move %s: %v", move, err) return fmt.Errorf("invalid move %s: %v", move, err)
} }
} else { }
return fmt.Errorf("invalid move %s: %v", move, err) return fmt.Errorf("invalid move %s: %v", move, err)
} }
if err != nil { if err = move_(); err != nil {
return err return err
} }