private GameSquare UpLeftNeighbor(GameSquare square)
{
Point location = square.Location;
if ((location.X < 0) || (location.X >= ColumnCount) ||
(location.Y < 0) || (location.Y >= RowCount))
{
throw new IndexOutOfRangeException();
}
Point upLeftNeighbor = new Point(location.X, location.Y);
upLeftNeighbor.Y -= 1;
// For even rows, down-left is the same; for odd rows, it's -1
if (location.Y % 2 == 1)
{
upLeftNeighbor.X -= 1;
}
if ((upLeftNeighbor.X < 0) || (upLeftNeighbor.Y < 0))
{
return(null);
}
else
{
return(board[upLeftNeighbor.X, upLeftNeighbor.Y]);
}
}
private GameSquare DownRightNeighbor(GameSquare square)
{
Point location = square.Location;
if ((location.X < 0) || (location.X >= ColumnCount) ||
(location.Y < 0) || (location.Y >= RowCount))
{
throw new IndexOutOfRangeException();
}
Point downRightNeighbor = new Point(location.X, location.Y);
downRightNeighbor.Y += 1;
// For even rows, up-right is +1; for odd rows, it's the same
if (location.Y % 2 == 0)
{
downRightNeighbor.X += 1;
}
if ((downRightNeighbor.X >= ColumnCount) || (downRightNeighbor.Y >= RowCount))
{
return(null);
}
else
{
return(board[downRightNeighbor.X, downRightNeighbor.Y]);
}
}
public GameSquare GetNeighbor(GameSquare square, Direction direction)
{
switch (direction)
{
case Direction.Left:
return(LeftNeighbor(square));
case Direction.UpLeft:
return(UpLeftNeighbor(square));
case Direction.UpRight:
return(UpRightNeighbor(square));
case Direction.Right:
return(RightNeighbor(square));
case Direction.DownRight:
return(DownRightNeighbor(square));
case Direction.DownLeft:
return(DownLeftNeighbor(square));
default:
throw new ArgumentException("Unknown direction");
}
}
protected void DrawSquareBackground(Graphics g, GameSquare square, float x, float y)
{
// Find the outline of the hexagon
PointF[] hexagon = { new PointF(x, y + HEX_ADJUST),
new PointF(x + HEX_WIDTH / 2, y - HEX_ADJUST),
new PointF(x + HEX_WIDTH, y + HEX_ADJUST),
new PointF(x + HEX_WIDTH, y + HEX_HEIGHT - HEX_ADJUST),
new PointF(x + HEX_WIDTH / 2, y + HEX_HEIGHT + HEX_ADJUST),
new PointF(x, y + HEX_HEIGHT - HEX_ADJUST) };
// Draw the outline
g.DrawPolygon(Pens.White, hexagon);
// If the square isn't safe, highlight it
if (!square.IsSafe)
{
g.FillPolygon(unsafeBrush, hexagon);
}
// Put in the coordinates (for debugging only)
// g.DrawString(square.Column + "," + square.Row, coordFont, Brushes.White, x + 23, y - 3);
// Mark start and finish
if (square.IsWinningLoc)
{
g.DrawString("Finish", finishFont, Brushes.White, x + 20, y - 2);
}
// Add tag for special squares
string squareTag = "";
Brush tagBrush;
if (square is SafeSquare)
{
squareTag = "A";
tagBrush = Brushes.Green;
}
else if (square is HostileSquare)
{
squareTag = "H";
tagBrush = Brushes.Red;
}
else if (square is WarpSquare)
{
squareTag = "W";
tagBrush = ((WarpSquare)square).WarpColor;
}
else
{
return;
}
g.DrawString(squareTag, objectFont, tagBrush, x + 30, y + 20);
}
public override void MarkUnsafeSquares()
{
Location.IsSafe = false;
foreach (Direction dir in scans)
{
GameSquare square = board.GetNeighbor(Location, dir);
if (square != null)
{
square.IsSafe = false;
}
}
}
public override void MarkUnsafeSquares()
{
Location.IsSafe = false;
GameSquare leftNeighbor = board.GetNeighbor(Location, Direction.Left);
if (leftNeighbor != null)
{
leftNeighbor.IsSafe = false;
}
GameSquare upLeftNeighbor = board.GetNeighbor(Location, Direction.UpLeft);
if (upLeftNeighbor != null)
{
upLeftNeighbor.IsSafe = false;
}
GameSquare upRightNeighbor = board.GetNeighbor(Location, Direction.UpRight);
if (upRightNeighbor != null)
{
upRightNeighbor.IsSafe = false;
}
GameSquare rightNeighbor = board.GetNeighbor(Location, Direction.Right);
if (rightNeighbor != null)
{
rightNeighbor.IsSafe = false;
}
GameSquare downRightNeighbor = board.GetNeighbor(Location, Direction.DownRight);
if (downRightNeighbor != null)
{
downRightNeighbor.IsSafe = false;
}
GameSquare downLeftNeighbor = board.GetNeighbor(Location, Direction.DownLeft);
if (downLeftNeighbor != null)
{
downLeftNeighbor.IsSafe = false;
}
}
protected void DrawGameSquare(GameSquare square,
Graphics g)
{
// (x,y) is the upper-left corner of the rectangle that
// approximates the hexagon
float x = 10 + square.Column * HEX_WIDTH;
float y = 20 + square.Row * HEX_HEIGHT;
// Offset even rows by 1/2 of width
if (square.Row % 2 == 0)
{
x += HEX_WIDTH / 2;
}
DrawSquareBackground(g, square, x, y);
DrawOccupant(g, square.Occupant, x, y);
}
protected void DrawGameSquare(GameSquare square,
Graphics g)
{
// (x,y) is the upper-left corner of the rectangle that
// approximates the hexagon
float x = 10 + square.Column * HEX_WIDTH;
float y = 20 + square.Row * HEX_HEIGHT;
// Offset even rows by 1/2 of width
if (square.Row % 2 == 0)
{
x += HEX_WIDTH / 2;
}
DrawSquareBackground(g, square, x, y);
DrawOccupant(g, square.Occupant, x, y);
}
public bool Move(Direction dir)
{
GameSquare target = board.GetNeighbor(Location, dir);
if (target == null)
{
return(false);
}
if (target is WarpSquare)
{
Location = ((WarpSquare)target).TargetSquare;
}
else
{
Location = target;
}
return(true);
}
private GameSquare RightNeighbor(GameSquare square)
{
Point location = square.Location;
if ((location.X < 0) || (location.X >= ColumnCount) ||
(location.Y < 0) || (location.Y >= RowCount))
{
throw new IndexOutOfRangeException();
}
Point rightNeighbor = new Point(location.X, location.Y);
rightNeighbor.X += 1;
if (rightNeighbor.X >= ColumnCount)
{
return(null);
}
else
{
return(board[rightNeighbor.X, rightNeighbor.Y]);
}
}
public GameObject(GameBoard board)
{
this.board = board;
location = null;
}
private GameSquare UpRightNeighbor(GameSquare square)
{
Point location = square.Location;
if ((location.X < 0) || (location.X >= ColumnCount) ||
(location.Y < 0) || (location.Y >= RowCount))
{
throw new IndexOutOfRangeException();
}
Point upRightNeighbor = new Point(location.X, location.Y);
upRightNeighbor.Y -= 1;
// For even rows, down-right is +1; for odd rows, it's the same
if (location.Y % 2 == 0)
{
upRightNeighbor.X += 1;
}
if ((upRightNeighbor.X >= ColumnCount) || (upRightNeighbor.Y < 0))
{
return null;
}
else
{
return board[upRightNeighbor.X, upRightNeighbor.Y];
}
}
private GameSquare RightNeighbor(GameSquare square)
{
Point location = square.Location;
if ((location.X < 0) || (location.X >= ColumnCount) ||
(location.Y < 0) || (location.Y >= RowCount))
{
throw new IndexOutOfRangeException();
}
Point rightNeighbor = new Point(location.X, location.Y);
rightNeighbor.X += 1;
if (rightNeighbor.X >= ColumnCount)
{
return null;
}
else
{
return board[rightNeighbor.X, rightNeighbor.Y];
}
}
public GameSquare GetNeighbor(GameSquare square, Direction direction)
{
switch (direction)
{
case Direction.Left:
return LeftNeighbor(square);
case Direction.UpLeft:
return UpLeftNeighbor(square);
case Direction.UpRight:
return UpRightNeighbor(square);
case Direction.Right:
return RightNeighbor(square);
case Direction.DownRight:
return DownRightNeighbor(square);
case Direction.DownLeft:
return DownLeftNeighbor(square);
default:
throw new ArgumentException("Unknown direction");
}
}
public GameObject(GameBoard board)
{
this.board = board;
location = null;
}
private GameSquare DownLeftNeighbor(GameSquare square)
{
Point location = square.Location;
if ((location.X < 0) || (location.X >= ColumnCount) ||
(location.Y < 0) || (location.Y >= RowCount))
{
throw new IndexOutOfRangeException();
}
Point downLeftNeighbor = new Point(location.X, location.Y);
downLeftNeighbor.Y += 1;
// For even rows, up-left is the same column index; for odd rows, it's -1
if (location.Y % 2 == 1)
{
downLeftNeighbor.X -= 1;
}
if ((downLeftNeighbor.X < 0) || (downLeftNeighbor.Y >= RowCount))
{
return null;
}
else
{
return board[downLeftNeighbor.X, downLeftNeighbor.Y];
}
}
public PatrolObject(GameBoard board, GameSquare[] path)
: base(board)
{
this.path = path;
}
protected void DrawSquareBackground(Graphics g, GameSquare square, float x, float y)
{
// Find the outline of the hexagon
PointF[] hexagon = {new PointF(x, y + HEX_ADJUST),
new PointF(x + HEX_WIDTH / 2, y - HEX_ADJUST),
new PointF(x + HEX_WIDTH, y + HEX_ADJUST),
new PointF(x + HEX_WIDTH, y + HEX_HEIGHT - HEX_ADJUST),
new PointF(x + HEX_WIDTH / 2, y + HEX_HEIGHT + HEX_ADJUST),
new PointF(x, y + HEX_HEIGHT - HEX_ADJUST)};
// Draw the outline
g.DrawPolygon(Pens.White, hexagon);
// If the square isn't safe, highlight it
if (!square.IsSafe)
{
g.FillPolygon(unsafeBrush, hexagon);
}
// Put in the coordinates (for debugging only)
// g.DrawString(square.Column + "," + square.Row, coordFont, Brushes.White, x + 23, y - 3);
// Mark start and finish
if (square.IsWinningLoc)
{
g.DrawString("Finish", finishFont, Brushes.White, x + 20, y - 2);
}
// Add tag for special squares
string squareTag = "";
Brush tagBrush;
if (square is SafeSquare)
{
squareTag = "A";
tagBrush = Brushes.Green;
}
else if (square is HostileSquare)
{
squareTag = "H";
tagBrush = Brushes.Red;
}
else if (square is WarpSquare)
{
squareTag = "W";
tagBrush = ((WarpSquare)square).WarpColor;
}
else
{
return;
}
g.DrawString(squareTag, objectFont, tagBrush, x + 30, y + 20);
}