public void Expand(ExpandDir dir)
{
switch (dir)
{
case ExpandDir.Left:
{
Cols++;
var g = new T[Rows, Cols];
for (int r = 0; r < Rows; r++)
{
for (int c = 1; c < Cols; c++)
{
g[r, c] = _grid[r, c - 1];
}
}
_grid = g;
}
break;
case ExpandDir.Right:
{
Cols++;
var g = new T[Rows, Cols];
for (int r = 0; r < Rows; r++)
{
for (int c = 0; c < Cols - 1; c++)
{
g[r, c] = _grid[r, c];
}
}
_grid = g;
}
break;
case ExpandDir.Up:
{
Rows++;
var g = new T[Rows, Cols];
for (int r = 0; r < Rows - 1; r++)
{
for (int c = 0; c < Cols; c++)
{
g[r, c] = _grid[r, c];
}
}
_grid = g;
}
break;
case ExpandDir.Down:
{
Rows++;
var g = new T[Rows, Cols];
for (int r = 1; r < Rows; r++)
{
for (int c = 0; c < Cols; c++)
{
g[r, c] = _grid[r - 1, c];
}
}
_grid = g;
}
break;
default:
throw new ArgumentOutOfRangeException("dir", dir, null);
}
}
public bool CanUpgrade(ExpandDir direction)
{
return(_upgradeCounts[(int)direction] < _maxUpgradesPerDirection);
}