/// <summary>
/// Raises mouse down event
/// </summary>
/// <param name="e">The mouse event args</param>
protected override void OnMouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
int position = GetPosition(e.Location);
if (position > 0)
{
Piece piece = board[position];
if (!gameStarted)
{
Player humanPlayer = BoardUtilities.GetPlayer(piece);
Player computerPlayer = BoardUtilities.GetOpponent(humanPlayer);
presenter.SetComputer(humanPlayer, false);
presenter.SetComputer(computerPlayer, true);
presenter.StartGame();
}
bool locked = ((blackLocked && BoardUtilities.IsBlack(piece)) || (whiteLocked && BoardUtilities.IsWhite(piece)));
if ((!locked) && (piece != Piece.None))
{
int offset = SquareSize / 2;
floatingPiece.X = e.X - offset;
floatingPiece.Y = e.Y - offset;
floatingPiece.Position = position;
Cursor = GrabCursor;
this.RefreshBoard();
}
System.Diagnostics.Trace.WriteLine(string.Format(CultureInfo.InvariantCulture, "clicked: {0}, piece={1}", position, piece));
}
}
base.OnMouseClick(e);
}
/// <summary>
/// GetWalks - Получить прогулки
/// Get availables walks
/// Получить доступные прогулки
/// </summary>
/// <param name="moves">
/// Walk moves will be added to the collection
/// Ходовые ходы будут добавлены в коллекцию
/// </param>
/// <param name="board">
/// the board state
/// состояние правления
/// </param>
/// <param name="player">
/// the player
/// игрок
/// </param>
private static void GetWalks(ICollection <Move> moves, IBoard board, Player player)
{
for (int pos = 1; pos <= BoardConstants.LightSquareCount; pos++)
{
Piece piece = board[pos];
Location location = Location.FromPosition(pos);
int row = location.Row;
int col = location.Col;
if (BoardUtilities.IsOwner(player, piece))
{
int forwardDirection = (BoardUtilities.IsBlack(piece)) ? 1 : -1;
int backwardDirection = (!BoardUtilities.IsKing(piece)) ? 0 : (BoardUtilities.IsBlack(piece)) ? -1 : 1;
GetWalks(moves, board, row, col, forwardDirection, -1);
GetWalks(moves, board, row, col, forwardDirection, 1);
if (backwardDirection != 0)
{
GetWalks(moves, board, row, col, backwardDirection, -1);
GetWalks(moves, board, row, col, backwardDirection, 1);
}
}
}
}
List <Unit[]> getSurroundingMatch4s(Unit u)
{
List <Unit[]> candidatesGroups = new List <Unit[]> ();
Unit[] topRightGroup = BoardUtilities.getmatch4Units_towards_onTable(u, new Vector2Int(1, 1), unitsTable);
Unit[] topleftGroup = BoardUtilities.getmatch4Units_towards_onTable(u, new Vector2Int(-1, 1), unitsTable);
Unit[] bottomRightGroup = BoardUtilities.getmatch4Units_towards_onTable(u, new Vector2Int(1, -1), unitsTable);
Unit[] bottomLeftGroup = BoardUtilities.getmatch4Units_towards_onTable(u, new Vector2Int(-1, -1), unitsTable);
if (topRightGroup != null)
{
candidatesGroups.Add(topRightGroup);
}
if (topleftGroup != null)
{
candidatesGroups.Add(topleftGroup);
}
if (bottomRightGroup != null)
{
candidatesGroups.Add(bottomRightGroup);
}
if (bottomLeftGroup != null)
{
candidatesGroups.Add(bottomLeftGroup);
}
return(candidatesGroups);
}
//считает количество фигур на поле
private static void NumberPiece(IBoard board, out int whiteKings, out int blackKings, out int whiteMen, out int blackMen)
{
whiteKings = 0;
blackKings = 0;
whiteMen = 0;
blackMen = 0;
for (int pos = 1; pos <= BoardConstants.LightSquareCount; pos++)
{
Piece piece = board[pos];
if (BoardUtilities.IsPiece(piece))
{
switch (piece)
{
case Piece.BlackMan:
blackMen++;
break;
case Piece.WhiteMan:
whiteMen++;
break;
case Piece.BlackKing:
blackKings++;
break;
case Piece.WhiteKing:
whiteKings++;
break;
}
}
}
}
/// <summary>
/// Raises MouseUp event
/// </summary>
/// <param name="e">The mouse event</param>
protected override void OnMouseUp(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (floatingPiece.Active)
{
Piece piece = board[floatingPiece.Position];
bool locked = ((blackLocked && BoardUtilities.IsBlack(piece)) || (whiteLocked && BoardUtilities.IsWhite(piece)));
if (!locked)
{
Move move = null;
int position = GetPosition(e.Location);
if ((position > 0) && (board[position] == Piece.None))
{
board[position] = board[floatingPiece.Position];
board[floatingPiece.Position] = Piece.None;
move = new Move(floatingPiece.Position, position);
}
floatingPiece.Position = FloatingPiece.INVALID_POSITION;
Cursor = HandSelectCursor;
this.RefreshBoard();
if (move != null)
{
OnMoveInput(move);
}
}
}
}
base.OnMouseUp(e);
}
/// <summary>
/// MakeMove - Сделать ход
/// Attempt to make the specified move on the board starting at the given position if present
/// Попытка сделать указанное движение на доске, начиная с заданной позиции, если присутствует
/// </summary>
/// <param name="move">
/// The move
/// Движение
/// </param>
/// <param name="startPosition">
/// The starting position of the move if this move is a jump continuation
/// Начальная позиция хода, если этот ход является продолжением прыжка
/// </param>
public void MakeMove(Move move, int?startPosition)
{
const int INVALID_POSITION = -1;
int origin = move.Origin ?? INVALID_POSITION;
if (origin == INVALID_POSITION)
{
HandleInvalidMove(move, "Move contains no steps");//ход не содержит шагов
}
else if ((startPosition.HasValue) && (origin != startPosition.Value))
{
HandleInvalidMove(move, "You must finish jump");//Вы должны закончить прыжок
}
else
{
Piece piece = board[origin];
Player player = BoardUtilities.GetPlayer(piece);
PlayerInfo playerInfo = GetPlayerInfo(player);
MoveStatus moveStatus = MoveStatus.Illegal;
move = boardRules.ResolveAmbiguousMove(board, move);
if (piece == Piece.None)
{
HandleInvalidMove(move, "No piece selected");//Не выбрано ни одного предмета
}
else if (playerInfo != turn)
{
HandleInvalidMove(move, string.Format(CultureInfo.InvariantCulture, "Not {0}'s turn", playerInfo.Player.ToString()));//Не ход {0}
}
else if ((moveStatus = boardRules.IsValidMove(board, move, turn.Player)) == MoveStatus.Illegal)
{
HandleInvalidMove(move, string.Format(CultureInfo.InvariantCulture, "Invalid move: {0}", move));// Неверный ход: {0}
}
else if (!boardRules.ApplyMove(board, move))
{
HandleInvalidMove(move, string.Format(CultureInfo.InvariantCulture, "Unable to apply move move: {0}", move));// Невозможно применить ход перемещения: {0}
}
else
{
view.SetBoardState(board.Copy());
// swap turn if the player has a complete move (no jumps)
// меняем ход, если у игрока полный ход (без прыжков)
if (moveStatus == MoveStatus.Incomplete)
{
// at this point the move was valid and hence must have a destination
// в этот момент перемещение было допустимым и, следовательно, должно иметь пункт назначения
view.SetMoveStartPosition(move.Destination.Value);
}
else
{
view.SetMoveStartPosition(null);
view.LockPlayer(turn.Player, true);
this.SwapTurn();
}
this.GameStep();
}
}
}
void updateTableAndTotalCompletions(Unit u)
{
// print (u);
BoardUtilities.update_OneUnitCoord_onTable(u, originalTable);
// updateCoord_onOriginalTable (u, originalTable);
totalCompletions++;
// print (totalCompletions);
}
/// <summary>Is the move legal. This move doesn't check multiple jumps.</summary>
/// <param name="board">the board state</param>
/// <param name="startRow">the start row</param>
/// <param name="startCol">the start col</param>
/// <param name="endRow">the end row</param>
/// <param name="endCol">the end col</param>
/// <param name="player">the player with the turn</param>
/// <returns>LEGAL if the move is legal. Illegal if the move is not legal. INCOMPLETE if the move results in a jump.</returns>
private static MoveStatus IsMoveLegal(IBoard board, int startRow, int startCol, int endRow, int endCol, Player player)
{
if (!InBounds(startRow, startCol, board) || !InBounds(endRow, endCol, board))
{
// out of board bounds
return(MoveStatus.Illegal);
}
Piece startPosition = board[startRow, startCol];
Piece endPosition = board[endRow, endCol];
if ((player == Player.Black && !BoardUtilities.IsBlack(startPosition)) || (player == Player.White && !BoardUtilities.IsWhite(startPosition)))
{
// wrong player attempting to make a move
return(MoveStatus.Illegal);
}
else if (!BoardUtilities.IsEmpty(endPosition))
{// destination is not empty
return(MoveStatus.Illegal);
}
int forwardDirection = (BoardUtilities.IsBlack(startPosition)) ? 1 : -1;
int backwardDirection = (!BoardUtilities.IsKing(startPosition)) ? 0 : (BoardUtilities.IsBlack(startPosition)) ? -1 : 1;
// check for single step along vertical axis
if (Math.Abs(endRow - startRow) == 1)
{//possible walk made
// check if we took a walk when a jump was available
if (CanJump(board, player))
{
return(MoveStatus.Illegal);
}
// one step along the horizontal axis and proper vertical direction movement
// men can't go backwards but kings can
if ((Math.Abs(endCol - startCol) == 1) && (startRow + forwardDirection == endRow || startRow + backwardDirection == endRow))
{
return(MoveStatus.Legal);
}
}
else if (Math.Abs(endRow - startRow) == 2)
{// possible jump made
int jumpedRow = (endRow + startRow) / 2;
int jumpedCol = (endCol + startCol) / 2;
if (BoardUtilities.IsOpponentPiece(player, board[jumpedRow, jumpedCol]))
{
// one step along the horizontal axis and proper vertical direction movement
// men can't go backwards but kings can
if ((Math.Abs(endCol - startCol) == 2) && (startRow + forwardDirection * 2 == endRow || startRow + backwardDirection * 2 == endRow))
{
return(MoveStatus.Incomplete);
}
}
}
return(MoveStatus.Illegal);
}
/// <summary>
/// Attempt to make the specified move on the board starting at the given position if present
/// </summary>
/// <param name="move">The move</param>
/// <param name="startPosition">The starting position of the move if this move is a jump continuation</param>
public void MakeMove(Move move, int? startPosition)
{
const int INVALID_POSITION = -1;
int origin = move.Origin ?? INVALID_POSITION;
if (origin == INVALID_POSITION)
{
HandleInvalidMove(move, "Move contains no steps");
}
else if ((startPosition.HasValue) && (origin != startPosition.Value))
{
HandleInvalidMove(move, "You must finish jump");
}
else
{
Piece piece = board[origin];
Player player = BoardUtilities.GetPlayer(piece);
PlayerInfo playerInfo = GetPlayerInfo(player);
MoveStatus moveStatus = MoveStatus.Illegal;
move = boardRules.ResolveAmbiguousMove(board, move);
if (piece == Piece.None)
{
HandleInvalidMove(move, "No piece selected");
}
else if (playerInfo != turn)
{
HandleInvalidMove(move, string.Format(CultureInfo.InvariantCulture, "Not {0}'s turn", playerInfo.Player.ToString()));
}
else if ((moveStatus = boardRules.IsValidMove(board, move, turn.Player)) == MoveStatus.Illegal)
{
HandleInvalidMove(move, string.Format(CultureInfo.InvariantCulture, "Invalid move: {0}", move));
}
else if (!boardRules.ApplyMove(board, move))
{
HandleInvalidMove(move, string.Format(CultureInfo.InvariantCulture, "Unable to apply move move: {0}", move));
}
else
{
view.SetBoardState(board.Copy());
// swap turn if the player has a complete move (no jumps)
if (moveStatus == MoveStatus.Incomplete)
{
// at this point the move was valid and hence must have a destination
view.SetMoveStartPosition(move.Destination.Value);
}
else
{
view.SetMoveStartPosition(null);
view.LockPlayer(turn.Player, true);
this.SwapTurn();
}
this.GameStep();
}
}
}
public virtual Move CanMove(BoardUtilities utils, Point origin, Point destination)
{
Move move = GetValidMove(origin, destination);
if (utils.Obstructed(origin, destination))
{
move = null;
}
return(move);
}
public void OnDrag(PointerEventData eventData)
{
// Debug.Log ("Dragging");
// Debug.Log (eventData.pointerCurrentRaycast.worldPosition);
pointerWorldPosition = eventData.pointerCurrentRaycast.worldPosition;
insideBoardBoundary = BoardUtilities.pointerInsideBoundary(pointerWorldPosition, gameBoardBoundary);
if (onDragging != null && InputEnabled && insideBoardBoundary)
{
onDragging(pointerWorldPosition);
}
}
public static void GetCaptures(ICollection <Move> moves, IBoard board, Player player)
{
// Get captures
for (int pos = 1; pos <= BoardConstants.LightSquareCount; pos++)
{
if (BoardUtilities.IsOwner(player, board[pos]))
{
Location location = Location.FromPosition(pos);
GetCaptures(moves, board.Copy(), location.Row, location.Col);
}
}
}
/// <summary>
/// GetCaptures - Получить захваты
/// Generate captures list for the piece at the given location
/// Создать список снимков для произведения в заданном месте
/// </summary>
/// <param name="moves">
/// stores the list of moves generated
/// сохраняет список сгенерированных ходов
/// </param>
/// <param name="locations">
/// list of parent locations
/// список родительских локаций
/// </param>
/// <param name="board">
/// the board state
/// состояние правления
/// </param>
/// <param name="piece">
/// the piece
/// кусок
/// </param>
/// <param name="row">
/// the row of the piece
/// строка произведения
/// </param>
/// <param name="col">
/// the column of the piece
/// столбец произведения
/// </param>
/// <param name="dx">
/// the horizontal direction
/// горизонтальное направление
/// </param>
/// <param name="dy">
/// the vertical direction
/// вертикальное направление
/// </param>
/// <returns><c>true</c>
/// if capture available
/// если захват доступен
/// </returns>
private static bool GetCaptures(ICollection <Move> moves, IList <Location> locations, IBoard board, Piece piece, int row, int col, int dx, int dy)
{
int endRow = row + dy * 2;
int endCol = col + dx * 2;
int jumpRow = row + dy;
int jumpCol = col + dx;
// jump available
// прыжок доступен
if (InBounds(endRow, endCol, board) && BoardUtilities.AreOpponents(piece, board[jumpRow, jumpCol]) && BoardUtilities.IsEmpty(board[endRow, endCol]))
{
locations.Add(new Location(endRow, endCol));
board[row, col] = Piece.None;
board[jumpRow, jumpCol] = Piece.None;
board[endRow, endCol] = piece;
bool captureAvailable = false;
int[] DIRECTIONS = { -1, 1 }; // {down/right, up/left} // {вниз / вправо, вверх / влево}
int Y_START_INDEX = (BoardUtilities.IsKing(piece) || BoardUtilities.IsWhite(piece)) ? 0 : 1;
int Y_END_INDEX = (BoardUtilities.IsKing(piece) || BoardUtilities.IsBlack(piece)) ? 1 : 0;
for (int idxY = Y_START_INDEX; idxY <= Y_END_INDEX; idxY++)
{
for (int idxX = 0; idxX < DIRECTIONS.Length; idxX++)
{
bool result = GetCaptures(
moves, new List <Location>(locations),
board.Copy(), piece,
endRow, endCol, DIRECTIONS[idxX], DIRECTIONS[idxY]
);
captureAvailable = captureAvailable || result;
}
}
if ((!captureAvailable) && (locations.Count > 1))
{
Move move = new Move();
foreach (Location location in locations)
{
move.AddMoves(location);
}
moves.Add(move);
}
return(true);
}
else
{
return(false);
}
}
private GameObject SetSpace(int x, int y)
{
GameObject spaceGo;
try {
spaceGo = Instantiate(spaceDictionary[boardLayout[x, y]], BoardUtilities.CoordToWorld(x, y), Quaternion.Euler(90, 0, 0));
} catch {
spaceGo = Instantiate(emptySpace, BoardUtilities.CoordToWorld(x, y), Quaternion.Euler(90, 0, 0));
}
spaceGo.GetComponent <ISpace>().Initialise(x, y);
return(spaceGo);
}
/// <summary>Generate captures list for the piece at the given location</summary>
/// <param name="moves">stores the list of moves generated</param>
/// <param name="locations">list of parent locations</param>
/// <param name="board">the board state</param>
/// <param name="piece">the piece</param>
/// <param name="row">the row of the piece</param>
/// <param name="col">the column of the piece</param>
/// <param name="dx">the horizontal direction</param>
/// <param name="dy">the vertical direction</param>
/// <returns><c>true</c> if capture available</returns>
private static bool GetCaptures(ICollection <Move> moves, IList <Location> locations, IBoard board, Piece piece, int row, int col, int dx, int dy)
{
int endRow = row + dy * 2;
int endCol = col + dx * 2;
int jumpRow = row + dy;
int jumpCol = col + dx;
// jump available
if (InBounds(endRow, endCol, board) && BoardUtilities.AreOpponents(piece, board[jumpRow, jumpCol]) && BoardUtilities.IsEmpty(board[endRow, endCol]))
{
locations.Add(new Location(endRow, endCol));
board[row, col] = Piece.None;
board[jumpRow, jumpCol] = Piece.None;
board[endRow, endCol] = piece;
bool captureAvailable = false;
int[] directions = { -1, 1 }; // {down/right, up/left}
int yStartIndex = (BoardUtilities.IsKing(piece) || BoardUtilities.IsWhite(piece)) ? 0 : 1;
int yEndIndex = (BoardUtilities.IsKing(piece) || BoardUtilities.IsBlack(piece)) ? 1 : 0;
for (int idxY = yStartIndex; idxY <= yEndIndex; idxY++)
{
foreach (int t in directions)
{
bool result = GetCaptures(
moves, new List <Location>(locations),
board.Copy(), piece,
endRow, endCol, t, directions[idxY]
);
captureAvailable = captureAvailable || result;
}
}
if ((!captureAvailable) && (locations.Count > 1))
{
Move move = new Move();
foreach (Location location in locations)
{
move.AddMoves(location);
}
moves.Add(move);
}
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Sets a space at the x and y values.
/// </summary>
/// <param name="space">The space prefab to set.</param>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
/// <returns>The set space.</returns>
public GameObject SetSpace(GameObject space, int x, int y)
{
GameObject spaceGo;
try {
spaceGo = Instantiate(space, BoardUtilities.CoordToWorld(x, y), Quaternion.Euler(90, 0, 0));
spaceGo.GetComponent <ISpace>().Initialise(x, y);
} catch {
spaceGo = Instantiate(emptySpace, BoardUtilities.CoordToWorld(x, y), Quaternion.Euler(90, 0, 0));
}
return(spaceGo);
}
/// <summary>
/// GetWalks - Получить прогулки
/// Get available walks
/// Получить доступные прогулки
/// </summary>
/// <param name="moves">
/// Moves added to this collection
/// Ходы добавлены в эту коллекцию
/// </param>
/// <param name="board">
/// the board state
/// состояние правления
/// </param>
/// <param name="row">
/// the row the piece is on
/// строка, на которой стоит произведение
/// </param>
/// <param name="col">
/// the column the piece is on
/// колонка, на которой находится произведение
/// </param>
/// <param name="verticalDirection">
/// the vertical direction to move in
/// вертикальное направление движения
/// </param>
/// <param name="horizontalDirection">
/// the horizontal direction to move in
/// горизонтальное направление движения
/// </param>
private static bool GetWalks(ICollection <Move> moves, IBoard board, int row, int col, int verticalDirection, int horizontalDirection)
{
int newRow = row + verticalDirection;
int newCol = col + horizontalDirection;
if ((InBounds(newRow, newCol, board)) && (BoardUtilities.IsEmpty(board[newRow, newCol])))
{
//space is empty
moves.Add(new Move(Location.ToPosition(row, col), Location.ToPosition(newRow, newCol)));
}
return(false);
}
public static Unit getSameIdUnit_Towards_onTable(Unit u1, Vector2Int direction, Unit[,] table)
{
Unit tempUnit = BoardUtilities.getUnitOnTable(u1.CurrentColumn + direction.x, u1.CurrentRow + direction.y, table);
if (tempUnit)
{
if (BoardUtilities.hasSameID(u1, tempUnit))
{
return(tempUnit);
}
}
return(null);
}
private void GameStep(int? startPosition)
{
if (!boardRules.IsGameOver(board, turn.Player))
{
view.LockPlayer(Player.Black, true);
view.LockPlayer(Player.White, true);
view.ShowPlayerChange(turn.Player);
this.PromptMove(startPosition);
}
else
{
this.OnGameOver(BoardUtilities.GetOpponent(turn.Player), turn.Player);
}
}
void doDragStart(Vector3 v)
{
screenRay = Camera.main.ScreenPointToRay(v);
Physics2D.GetRayIntersectionNonAlloc(screenRay, hitResults);
//Debug.Log(hitResults[0].collider);
if (hitResults[0].collider != null)
{
pointerWorldPosition = hitResults[0].point;
insideBoardBoundary = BoardUtilities.pointerInsideBoundary(pointerWorldPosition, gameBoardBoundary);
if (insideBoardBoundary)
{
//Debug.Log("fire");
fireOnDragStart(hitResults[0].collider.gameObject);
}
}
}
public void OnBeginDrag(PointerEventData eventData)
{
if (InputEnabled)
{
//Debug.Log ("Drag Begin");
pointerWorldPosition = eventData.pointerCurrentRaycast.worldPosition;
insideBoardBoundary = BoardUtilities.pointerInsideBoundary(pointerWorldPosition, gameBoardBoundary);
if (insideBoardBoundary)
{
if (onDragStart != null)
{
onDragStart(eventData.pointerCurrentRaycast.gameObject, pointerWorldPosition);
}
}
}
}
//TODO:
private int MiniMax(ref Move bestMove, IBoard board, Player player, int ply, int depth, TimeSpan timeout, DateTime startTime)
{
if (depth <= 0)
{
// reached ply level
// достиг уровня слоя
return(Evaluate(board, player));
}
else if (forceMove)
{
return(int.MinValue);
}
ICollection <Move> moves = CheckerMoveRules.GetAvailableMoves(board, player);
if ((moves == null) || (moves.Count == 0))
{
// reached leaf
// достиг листа
return(Evaluate(board, player));
}
int bestScore = int.MinValue;
Player opponent = BoardUtilities.GetOpponent(player);
IBoard boardCopy = board.Copy();
foreach (Move move in moves)
{
CheckerMoveRules.UpdateBoard(boardCopy, move);
int score = -MiniMax(ref bestMove, boardCopy, opponent, ply, depth - 1, timeout, startTime);
boardCopy.Copy(board);// undo move //отменить движение
if (depth == ply)
{
System.Diagnostics.Trace.WriteLine(string.Format(CultureInfo.InvariantCulture, "Move: {0}. Score: {1}", move, score.ToString(CultureInfo.InvariantCulture)));
if ((bestMove == null) || (score > bestScore))
{
bestMove = move;
}
}
bestScore = Math.Max(bestScore, score);
}
return(bestScore);
}
/// <summary>
/// CanWalk - Может ходить
/// Check if piece can move
/// Проверьте, может ли кусок двигаться
/// </summary>
/// <param name="board">
/// the board state
/// состояние правления
/// </param>
/// <param name="row">
/// the row the piece is on
/// строка, на которой стоит произведение
/// </param>
/// <param name="col">
/// the column the piece is on
/// колонка, на которой находится произведение
/// </param>
/// <param name="verticalDirection">
/// the vertical direction to move in
/// вертикальное направление движения
/// </param>
/// <param name="horizontalDirection">
/// the horizontal direction to move in
/// горизонтальное направление движения
/// </param>
/// <returns><code>true</code>
/// if the piece can move
/// если кусок может двигаться
/// </returns>
private static bool CanWalk(IBoard board, int row, int col, int verticalDirection, int horizontalDirection)
{
int newRow = row + verticalDirection;
int newCol = col + horizontalDirection;
if (!InBounds(newRow, newCol, board))
{//not within board bounds
return(false);
}
if (BoardUtilities.IsEmpty(board[newRow, newCol]))
{//space is empty
return(true);
}
return(false);
}
/// <summary>
/// Raises the MouseMove event
/// </summary>
/// <param name="e"></param>
protected override void OnMouseMove(MouseEventArgs e)
{
if ((!moveAnimator.Running) && (floatingPiece.Active))
{
Piece piece = board[floatingPiece.Position];
bool locked = ((blackLocked && BoardUtilities.IsBlack(piece)) || (whiteLocked && BoardUtilities.IsWhite(piece)));
if (!locked)
{
int offset = SquareSize / 2;
floatingPiece.X = e.X - offset;
floatingPiece.Y = e.Y - offset;
this.RefreshBoard();
}
}
base.OnMouseMove(e);
}
/// <summary>Generate captures list for the piece at the given location</summary>
/// <param name="moves">capture moves will be added to the collection</param>
/// <param name="board">the board state</param>
/// <param name="row">the row of the piece</param>
/// <param name="col">the column of the piece</param>
private static void GetCaptures(ICollection <Move> moves, IBoard board, int row, int col)
{
Piece piece = board[row, col];
IList <Location> locations = new List <Location>();
locations.Add(new Location(row, col));
if (BoardUtilities.IsKing(piece) || BoardUtilities.IsBlack(piece))
{ // go up
GetCaptures(moves, new List <Location>(locations), board.Copy(), piece, row, col, -1, 1); // right
GetCaptures(moves, new List <Location>(locations), board.Copy(), piece, row, col, 1, 1); // left
}
if (BoardUtilities.IsKing(piece) || BoardUtilities.IsWhite(piece))
{ // go down
GetCaptures(moves, new List <Location>(locations), board.Copy(), piece, row, col, -1, -1); // right
GetCaptures(moves, new List <Location>(locations), board, piece, row, col, 1, -1); // left
}
}
/// <summary>
/// CanJump - Может прыгать
/// Check the player jump any pieces on the board
/// Проверьте игрока, прыгайте любые фигуры на доске
/// </summary>
/// <param name="board">
/// the board state
/// состояние правления
/// </param>
/// <param name="player">
/// the player with the turn
/// игрок с терном
/// </param>
/// <returns><code>true</code>
/// if the player can make a jump
/// если игрок может сделать прыжок
/// </returns>
static bool CanJump(IBoard board, Player player)
{
for (int row = 0; row < board.Rows; row++)
{
for (int col = 0; col < board.Cols; col++)
{
if (BoardUtilities.IsPiece(board[row, col]) &&
(BoardUtilities.GetPlayer(board[row, col]) == player) &&
CanJump(board, row, col)
)
{
return(true);
}
}
}
return(false);
}
void switchUnit_Towards(Vector2Int direction)
{
Unit targetUnit = BoardUtilities.getUnitOnTable(cueUnit.thisUnit.CurrentColumn + direction.x, cueUnit.thisUnit.CurrentRow + direction.y, unitsTable);
if (targetUnit == null)
{
//Debug.Log("out!");
throw new System.Exception("invalid unit to switch towards");
}
else
{
/*only need to move the target unit, the cue unit is following the pointer*/
targetUnit.moveTo(new Vector2Int(-direction.x, -direction.y));
//BoardUtilities.switchUnitsCoord(cueUnit.thisUnit, targetUnit, unitsTable);//+++++++++++
// tryMakeBlock (cueUnit);
// tryMakeBlock (targetUnit);
}
}
void doDragging(Vector3 v)
{
if (hitResults[0].collider != null)
{
//Debug.Log(hitResults[0].collider);
pointerWorldPosition = Camera.main.ScreenToWorldPoint(v);
/*update z, so it is the same as the boundary and the units on board*/
pointerWorldPosition.z = tableUnitZ;
insideBoardBoundary = BoardUtilities.pointerInsideBoundary(pointerWorldPosition, gameBoardBoundary);
if (insideBoardBoundary)
{
fireOnDragging(pointerWorldPosition);
}
else
{
//Debug.Log("out of boundary");
doDragEnd();
}
}
}
/// <summary>
/// CanJump - Может прыгать
/// Check the piece at the postion can jump any pieces on the board
/// Проверьте фигуру в позиции, можете прыгать любые фигуры на доске
/// </summary>
/// <param name="board">
/// the board state
/// состояние правления
/// </param>
/// <param name="row">
/// the row the piece is on
/// строка, на которой стоит произведение
/// </param>
/// <param name="col">
/// the column the piece is on
/// колонка, на которой находится произведение
/// </param>
/// <param name="verticalDirection">
/// the vertical direction to move in
/// вертикальное направление движения
/// </param>
/// <param name="horizontalDirection">
/// the horizontal direction to move in
/// горизонтальное направление движения
/// </param>
/// <returns><code>true</code>
/// if the piece can make a jump
/// если кусок может совершить прыжок
/// </returns>
private static bool CanJump(IBoard board, int row, int col, int verticalDirection, int horizontalDirection)
{
int newRow = row + verticalDirection;
int newCol = col + horizontalDirection;
Piece piece = board[row, col];
if (!InBounds(newRow, newCol, board))
{//not within board bounds
return(false);
}
if (BoardUtilities.AreOpponents(piece, board[newRow, newCol]))
{// check if you can jump enemy
int endRow = newRow + verticalDirection;
int endCol = newCol + horizontalDirection;
return(InBounds(endRow, endCol, board) && BoardUtilities.IsEmpty(board[endRow, endCol]));
}
return(false);
}
/// <summary>
/// CanJump - Может прыгать
/// Check if piece at position can jump
/// Проверьте, может ли кусок в положении прыгать
/// </summary>
/// <param name="board">
/// the board state
/// состояние правления
/// </param>
/// <param name="row">
/// the row the piece is on
/// строка, на которой стоит произведение
/// </param>
/// <param name="col">
/// the column the piece is on
/// колонка, на которой находится произведение
/// </param>
/// <returns><code>true</code>
/// if the piece can jump
/// если кусок может прыгать
/// </returns>
static bool CanJump(IBoard board, int row, int col)
{
Piece piece = board[row, col];
if (!BoardUtilities.IsPiece(piece))
{
return(false);
}
int forwardDirection = (BoardUtilities.IsBlack(piece)) ? 1 : -1;
int backwardDirection = (!BoardUtilities.IsKing(piece)) ? 0 : (BoardUtilities.IsBlack(piece)) ? -1 : 1;
return(CanJump(board, row, col, forwardDirection, -1) ||
CanJump(board, row, col, forwardDirection, 1) ||
(backwardDirection != 0 &&
(
CanJump(board, row, col, backwardDirection, -1) ||
CanJump(board, row, col, backwardDirection, 1)
)
));
}
