internal override List <Position> GetMovablePositions(Game game)
{
return(Position.Whole
.Where(pos => pos.X == Position.X || pos.Y == Position.Y)
.Where(pos => Position.Route(Position, pos).All(routePos => game.GetPieceAt(routePos) == null))
.Where(pos => !IsSameColor(game.GetPieceAt(pos)))
.ToList());
}
internal override List <Position> GetMovablePositions(Game game)
{
return(Position.Halves[Color]
.Where(pos => Position.Distance(pos, Position) == 4 && pos.X != Position.X && pos.Y != Position.Y)
.Where(pos =>
{
var route = Position.Route(Position, pos);
if (route.Count != 1)
{
return false;
}
return game.GetPieceAt(route[0]) == null;
})
.Where(pos => !IsSameColor(game.GetPieceAt(pos)))
.ToList());
}
internal override List <Position> GetMovablePositions(Game game)
{
var list = new List <Position>();
list.AddRange(Position.Palaces[Color]
.Where(pos => Position.Distance(pos, Position) == 1)
.Where(pos => !IsSameColor(game.GetPieceAt(pos)))
);
list.AddRange(
new List <Position> {
game.Pieces.First(piece => piece is General && piece != this).Position
}
.Where(pos => Position.X == pos.X)
.Where(pos => Position.Route(pos, Position).All(routePos => game.GetPieceAt(routePos) == null))
);
return(list);
}
internal override List <Position> GetMovablePositions(Game game)
{
var list = new List <Position>();
list.AddRange(
Position.Whole
.Where(pos => pos.X == Position.X || pos.Y == Position.Y)
.Where(pos => Position.Route(Position, pos).All(routePos => game.GetPieceAt(routePos) == null))
.Where(pos => game.GetPieceAt(pos) == null)
);
list.AddRange(
Position.Whole
.Where(pos => pos.X == Position.X || pos.Y == Position.Y)
.Where(pos => game.GetPieceAt(pos) != null && !IsSameColor(game.GetPieceAt(pos)))
.Where(pos => Position.Route(Position, pos).Count(routePos => game.GetPieceAt(routePos) != null) == 1)
);
return(list);
}