/// <summary>Resizes the level.</summary>
/// <param name="amountX">Amount by which to change the width of the level.</param>
/// <param name="amountY">Amount by which to change the height of the level.</param>
/// <param name="shiftX">Amount by which to shift the contents of the level in X direction.</param>
/// <param name="shiftY">Amount by which to shift the contents of the level in Y direction.</param>
private void resize(int amountX, int amountY, int shiftX, int shiftY)
{
if (amountX == 0 && amountY == 0)
{
return;
}
int newWidth = _width + amountX;
int newHeight = _height + amountY;
SokobanCell[] newLevel = new SokobanCell[newWidth * newHeight];
for (int x = 0; x < (amountX < 0 ? newWidth : _width); x++)
{
for (int y = 0; y < (amountY < 0 ? newHeight : _height); y++)
{
newLevel[(amountY > 0 ? y + shiftY : y) * newWidth +
(amountX > 0 ? x + shiftX : x)] =
_cells[(amountY < 0 ? y - shiftY : y) * _width +
(amountX < 0 ? x - shiftX : x)];
}
}
_sokobanPos.Offset(shiftX, shiftY);
_cells = newLevel;
_width = newWidth;
_height = newHeight;
}
/// <summary>Changes the contents of the specified cell.</summary>
private void setCell(int index, SokobanCell c)
{
if (index >= 0 && index < _width * _height)
{
_cells[index] = c;
}
}
/// <summary>Changes the contents of the specified cell.</summary>
public void SetCell(int x, int y, SokobanCell c)
{
setCell(y * _width + x, c);
}
/// <summary>Changes the contents of the specified cell.</summary>
public void SetCell(Point pos, SokobanCell c)
{
setCell(pos.Y * _width + pos.X, c);
}
