/// <summary>
/// Loads a PCPictureBox type object
/// </summary>
/// <param name="row">The maze row that the PCPictureBox will be created at.</param>
/// <param name="col">The maze column that the PCPictureBox will be created at.</param>
/// <param name="tileType">The enum that specifies the image.</param>
/// <returns>Null if the tileType is of type "none", or the loaded PCPictureBox otherwise.</returns>
private PCPictureBox LoadPictureBox(int row, int col, PictureTypeEnum tileType)
{
if (tileType == PictureTypeEnum.None)
{
return(null);
}
PCPictureBox pictureBox = new PCPictureBox
{
Size = new Size(SQUARE_SIDE_SIZE, SQUARE_SIDE_SIZE),
BorderStyle = BorderStyle.FixedSingle,
SizeMode = PictureBoxSizeMode.StretchImage,
PictureRow = row,
PictureColumn = col
};
pictureBox.Click += new EventHandler(PictureBox_Click);
pictureBox.SetImage(tileType);
if (tileType == PictureTypeEnum.GreenBox || tileType == PictureTypeEnum.RedBox)
{
pictureBox.Cursor = Cursors.Hand;
}
return(pictureBox);
}
/// <summary>
/// Generates the maze.
/// </summary>
/// <param name="xPosition">The distance from the left border of the panel.</param>
/// <param name="yPosition">The distance from the upper border of the panel.</param>
/// <param name="numberOfRows">The number of rows to be generated.</param>
/// <param name="numberOfColumns">The number of columns to be generated.</param>
private void GenerateMaze(int xPosition, int yPosition, int numberOfRows, int numberOfColumns)
{
pnlMaze.Controls.Clear();
for (int i = 0; i < numberOfRows; i++)
{
for (int j = 0; j < numberOfColumns; j++)
{
PCPictureBox pictureBox = new PCPictureBox
{
Size = new Size(SQUARE_SIDE_SIZE, SQUARE_SIDE_SIZE),
Location = new Point(xPosition, yPosition),
Image = Properties.Resources.None,
BorderStyle = BorderStyle.FixedSingle,
Name = "pictureBox" + i.ToString() + j.ToString(),
SizeMode = PictureBoxSizeMode.StretchImage,
Cursor = Cursors.Hand,
PictureType = PictureTypeEnum.None,
PictureRow = i,
PictureColumn = j
};
pictureBox.Click += new EventHandler(PictureBox_Click);
pnlMaze.Controls.Add(pictureBox);
xPosition += SQUARE_SIDE_SIZE;
}
yPosition += SQUARE_SIDE_SIZE;
xPosition = INITIAL_POSITION;
}
pnlToolBox.Enabled = true;
}
/// <summary>
/// Checks if the picture on the side of the selected picture is a door that has the same box' color as the selected picture.
/// </summary>
/// <param name="sidePicture">The picture on the side (left, right, up or down) of the selected picture.</param>
/// <returns>True if the colors are the same, false otherwise.</returns>
private bool IsRemoveBox(PCPictureBox sidePicture)
{
if ((sidePicture.PictureType == PictureTypeEnum.GreenDoor && selectedPicture.PictureType == PictureTypeEnum.GreenBox) ||
sidePicture.PictureType == PictureTypeEnum.RedDoor && selectedPicture.PictureType == PictureTypeEnum.RedBox)
{
return(true);
}
return(false);
}
private void PictureBox_Click(object sender, EventArgs e)
{
PCPictureBox pictureClicked = sender as PCPictureBox;
if (pictureClicked.PictureType == PictureTypeEnum.GreenBox || pictureClicked.PictureType == PictureTypeEnum.RedBox)
{
if (selectedPicture != null)
{
PCPictureBox.UnselectTool(selectedPicture, SQUARE_SIDE_SIZE);
}
selectedPicture = pictureClicked;
selectedPicture.Left = INITIAL_POSITION + SQUARE_SIDE_SIZE * selectedPicture.PictureColumn;
selectedPicture.Top = INITIAL_POSITION + SQUARE_SIDE_SIZE * selectedPicture.PictureRow;
PCPictureBox.SelectTool(selectedPicture, SQUARE_SIDE_SIZE);
}
}
/// <summary>
/// Moves the box horizontally or vertically.
/// </summary>
/// <param name="displacement">The positive or negative value that displaces the picture (left/right/up/down).</param>
private void MoveBox(int displacement)
{
PCPictureBox sidePicture = isHorizontalMovement
? GetTileFromMaze(selectedPicture.PictureRow, selectedPicture.PictureColumn + displacement)
: GetTileFromMaze(selectedPicture.PictureRow + displacement, selectedPicture.PictureColumn);
while (sidePicture == null)
{
int previousRow = selectedPicture.PictureRow;
int previousCol = selectedPicture.PictureColumn;
if (isHorizontalMovement)
{
selectedPicture.PictureColumn += displacement;
Thread.Sleep(10);
selectedPicture.Left = INITIAL_POSITION + SQUARE_SIDE_SIZE * (selectedPicture.PictureColumn);
Thread.Sleep(10);
tiles[previousRow, previousCol] = null;
tiles[selectedPicture.PictureRow, selectedPicture.PictureColumn] = selectedPicture;
sidePicture = GetTileFromMaze(selectedPicture.PictureRow, selectedPicture.PictureColumn + displacement);
}
else
{
selectedPicture.PictureRow += displacement;
Thread.Sleep(10);
selectedPicture.Top = INITIAL_POSITION + SQUARE_SIDE_SIZE * (selectedPicture.PictureRow);
Thread.Sleep(10);
tiles[previousRow, previousCol] = null;
tiles[selectedPicture.PictureRow, selectedPicture.PictureColumn] = selectedPicture;
sidePicture = GetTileFromMaze(selectedPicture.PictureRow + displacement, selectedPicture.PictureColumn);
}
}
if (IsRemoveBox(sidePicture))
{
RemoveSelectedBoxFromPanel();
CountBoxes(tiles);
}
}
/// <summary>
/// Removes the selected box from the panel.
/// </summary>
private void RemoveSelectedBoxFromPanel()
{
tiles[selectedPicture.PictureRow, selectedPicture.PictureColumn] = null;
pnlMaze.Controls.Remove(selectedPicture);
selectedPicture = null;
}
private void pbxGreenBox_Click(object sender, EventArgs e)
{
chosenPictureType = PictureTypeEnum.GreenBox;
UnselectAllTools();
PCPictureBox.SelectTool(pbxGreenBox, SELECTED_SQUARE_SIDE_SIZE);
}
private void PictureBox_Click(object sender, EventArgs e)
{
PCPictureBox pictureClicked = sender as PCPictureBox;
pictureClicked.SetImage(chosenPictureType);
}
