func (b *TBoard) IsSquareColInCheck(sq square.TSquare, c piece.TColor) bool {
ksq := b.Pos.GetKingPos(c)
for _, pt := range ALL_PIECE_TYPES {
test_piece := piece.FromTypeAndColor(pt, piece.InvColorOf(c))
ptr := GetMoveTablePtr(ksq, test_piece)
for !MoveTable[ptr].EndPiece {
md := MoveTable[ptr]
p := b.PieceAtSq(md.To)
if p == test_piece {
return true
}
if piece.ColorOf(p) != piece.NO_COLOR {
ptr = md.NextVector
} else {
ptr++
}
}
}
return false
}
func InvTurnOfColor(c piece.TColor) TTurn {
return TTurn(piece.InvColorOf(c))
}
func InvTurnOf(t TTurn) TTurn {
return TTurn(piece.InvColorOf(piece.TColor(t)))
}
func (b *TBoard) IsOppInCheck() bool {
return b.IsColInCheck(piece.InvColorOf(b.GetColorOfTurn()))
}