/// <summary>
/// Checks for each tile that is not a mine, whether a mine is placed in any of the 8 tiles around it, and adds a count on the tile's view.
/// </summary>
private void AssignHints( )
{
for (int i = 0; i < _model._gridSize.row; i++)
{
for (int j = 0; j < _model._gridSize.column; j++)
{
if (_view._gameGridTiles [i, j]._isMine)
{
continue;
}
int mineCount = 0;
if (j - 1 >= 0 && _view._gameGridTiles [i, j - 1]._isMine) //left
{
mineCount++;
}
if (j + 1 < _view._gameGridTiles.GetLength(1) && _view._gameGridTiles [i, j + 1]._isMine) //right
{
mineCount++;
}
if (i - 1 >= 0)
{
if (_view._gameGridTiles [i - 1, j]._isMine) //up-center
{
mineCount++;
}
if (j - 1 >= 0 && _view._gameGridTiles [i - 1, j - 1]._isMine) //up-left
{
mineCount++;
}
if (j + 1 < _view._gameGridTiles.GetLength(1) && _view._gameGridTiles [i - 1, j + 1]._isMine) //up-right
{
mineCount++;
}
}
if (i + 1 < _view._gameGridTiles.GetLength(0))
{
if (_view._gameGridTiles [i + 1, j]._isMine) //down-center
{
mineCount++;
}
if (j - 1 >= 0 && _view._gameGridTiles [i + 1, j - 1]._isMine) //down-left
{
mineCount++;
}
if (j + 1 < _view._gameGridTiles.GetLength(1) && _view._gameGridTiles [i + 1, j + 1]._isMine) //down-right
{
mineCount++;
}
}
GridCoordinates gc;
gc.row = i;
gc.column = j;
if (mineCount > 0)
{
_view.AssignTileAsHint(gc, mineCount);
}
}
}
}
