/// <summary>
/// Generates the grid of tiles given a number of rows, columns and a string of numbers
/// </summary>
/// <param name="rows">The number of rows in the grid</param>
/// <param name="columns">The number of columns in the grid</param>
/// <param name="numbers">The string of numbers in order</param>
private void generateGrid(int rows, int columns, string numbers)
{
foreach (Tile tile in tiles)
{
Controls.Remove(tile);
}
tiles = new Tile[rows, columns];
int x;
int y = TOP;
int height = GAME_HEIGHT / num_rows;
int width = GAME_WIDTH / num_columns;
string[] allNumbers = numbers.Split(new char[] { '_' });
int counter = 0;
for (int i = 0; i < num_rows; i++)
{
x = LEFT;
for (int j = 0; j < num_columns; j++)
{
int num = int.Parse(allNumbers[counter]);
if (num > 0) //Square should be blank
{
if (usingPicture) //generate a grid using a picture
{
tiles[i, j] = new Tile(height, width, y, x, num.ToString(), i, j, true, this);
}
else //generate a grid using numbers
{
tiles[i, j] = new Tile(height, width, y, x, num.ToString(), i, j, this);
}
}
counter++;
x += width;
}
y += height;
}
foreach (Tile tile in tiles)
{
Controls.Add(tile);
}
allMoves = new List<char>();
winString = "";
for (int i = 1; i < num_rows * num_columns; i++)
{
winString += i + "_";
}
}
/// <summary>
/// Moves the selected tile in the specified direction
/// </summary>
/// <param name="tile">The selected tile</param>
/// <param name="direction">The specified direction</param>
private void moveTile(Tile tile, char direction)
{
switch (direction)
{
case 'l':
tiles[tile.Row, tile.Col - 1] = tile;
tiles[tile.Row, tile.Col] = null;
tile.Col--;
tile.Left -= tile.Width;
break;
case 'r':
tiles[tile.Row, tile.Col + 1] = tile;
tiles[tile.Row, tile.Col] = null;
tile.Col++;
tile.Left += tile.Width;
break;
case 'u':
tiles[tile.Row - 1, tile.Col] = tile;
tiles[tile.Row, tile.Col] = null;
tile.Row--;
tile.Top -= tile.Height;
break;
case 'd':
tiles[tile.Row + 1, tile.Col] = tile;
tiles[tile.Row, tile.Col] = null;
tile.Row++;
tile.Top += tile.Height;
break;
default:
break;
}
}
/// <summary>
/// Selects the direction to move the clicked tile
/// </summary>
/// <param name="tile">the tile that has been clicked</param>
public void selectDirection(Tile tile)
{
char direction;
direction = ' ';
Tile temp;
temp = tile;
if ((tile.Col != num_columns - 1) && (tiles[tile.Row, tile.Col + 1] == null))
{
direction = 'r';
allMoves.Add('A');
}
else if ((tile.Col != 0) && (tiles[tile.Row, tile.Col - 1] == null))
{
direction = 'l';
allMoves.Add('D');
}
else if ((tile.Row != num_rows - 1) && (tiles[tile.Row + 1, tile.Col] == null))
{
direction = 'd';
allMoves.Add('W');
}
else if ((tile.Row != 0) && (tiles[tile.Row - 1, tile.Col] == null))
{
direction = 'u';
allMoves.Add('S');
}
moveTile(tile, direction);
}