public static bool IsValidMove(MoveType type, FieldValue color, Coords coords, IBoardReader board)
{
if (type.Equals(MoveType.AddPiece))
{
return IsValidMove(color, coords, board);
}
else if (type.Equals(MoveType.Pass))
{
return !GetValidMovesForColor(color, board).Any();
}
else
{
return false;
}
}
public static bool IsValidMove(FieldValue color, Coords coords, IBoardReader board)
{
var value = board.GetFieldValue(coords);
if (value == FieldValue.Empty)
{
foreach (var direction in Directions.All)
{
if (IsDirectionValid(color, coords, direction, board))
{
return true;
}
}
}
return false;
}
public static bool IsValidMove(FieldValue color, Coords coords, IBoardReader board)
{
var value = board.GetFieldValue(coords);
if (value == FieldValue.Empty)
{
foreach (var direction in Directions.All)
{
if (IsDirectionValid(color, coords, direction, board))
{
return(true);
}
}
}
return(false);
}
public static List<Coords> GetValidMovesForColor(FieldValue color, IBoardReader board)
{
var validMoves = new List<Coords>();
for (int y = 0; y < board.Size; ++y)
{
for (int x = 0; x < board.Size; ++x)
{
var coords = new Coords(x, y);
if (IsValidMove(color, coords, board))
{
validMoves.Add(coords);
}
}
}
return validMoves;
}
public static List<Coords> GetPossibleDirections(FieldValue color, Coords coords, IBoardReader board)
{
var possibleDirections = new List<Coords>();
if (board.GetFieldValue(coords) == FieldValue.Empty)
{
foreach (var direction in Directions.All)
{
if (IsDirectionValid(color, coords, direction, board))
{
possibleDirections.Add(direction);
}
}
}
return possibleDirections;
}
public static List <Coords> GetValidMovesForColor(FieldValue color, IBoardReader board)
{
var validMoves = new List <Coords>();
for (int y = 0; y < board.Size; ++y)
{
for (int x = 0; x < board.Size; ++x)
{
var coords = new Coords(x, y);
if (IsValidMove(color, coords, board))
{
validMoves.Add(coords);
}
}
}
return(validMoves);
}
public static bool IsValidMove(MoveType type, FieldValue color, Coords coords, IBoardReader board)
{
if (type.Equals(MoveType.AddPiece))
{
return(IsValidMove(color, coords, board));
}
else if (type.Equals(MoveType.Pass))
{
return(!GetValidMovesForColor(color, board).Any());
}
else
{
return(false);
}
}
public static List <Coords> GetPossibleDirections(FieldValue color, Coords coords, IBoardReader board)
{
var possibleDirections = new List <Coords>();
if (board.GetFieldValue(coords) == FieldValue.Empty)
{
foreach (var direction in Directions.All)
{
if (IsDirectionValid(color, coords, direction, board))
{
possibleDirections.Add(direction);
}
}
}
return(possibleDirections);
}
/// <summary>
/// </summary>
private static bool IsDirectionValid(FieldValue color, Coords start, Coords dir, IBoardReader board)
{
bool isValid = false;
Coords current = start + dir;
FieldValue oppositeColor = color.OppositeColor();
//Make sure next is oppositecolor, otherwise move is invalid.
if (current.IsInsideBoard(board.Size) && board.GetFieldValue(current) == oppositeColor)
{
current += dir;
while (current.IsInsideBoard(board.Size))
{
//Found one of ours, direction is valid, break
if (board.GetFieldValue(current) == color)
{
isValid = true;
break;
}
//Did not find one of ours, direction is invalid, break.
else if (board.GetFieldValue(current) == FieldValue.Empty)
{
break;
}
//Else, continue looking
current += dir;
}
}
return(isValid);
}
public static bool IsGameOver(IBoardReader board)
{
return(!GetValidMovesForColor(FieldValue.Black, board).Any() && !GetValidMovesForColor(FieldValue.White, board).Any());
}
/// <summary>
/// </summary>
private static bool IsDirectionValid(FieldValue color, Coords start, Coords dir, IBoardReader board)
{
bool isValid = false;
Coords current = start + dir;
FieldValue oppositeColor = color.OppositeColor();
//Make sure next is oppositecolor, otherwise move is invalid.
if(current.IsInsideBoard(board.Size) && board.GetFieldValue(current) == oppositeColor)
{
current += dir;
while(current.IsInsideBoard(board.Size))
{
//Found one of ours, direction is valid, break
if (board.GetFieldValue(current) == color)
{
isValid = true;
break;
}
//Did not find one of ours, direction is invalid, break.
else if(board.GetFieldValue(current) == FieldValue.Empty)
{
break;
}
//Else, continue looking
current += dir;
}
}
return isValid;
}
public static bool IsGameOver(IBoardReader board)
{
return !GetValidMovesForColor(FieldValue.Black, board).Any() && !GetValidMovesForColor(FieldValue.White, board).Any();
}
public PlacePiece(IBoardWriter boardWriter, IBoardReader boardReader)
{
_boardWriter = boardWriter;
_boardReader = boardReader;
}
public SeeBoard(IBoardReader boardReader)
{
_boardReader = boardReader;
}
public ViewBoard(IBoardReader boardReader)
{
_boardReader = boardReader;
}
