Some more recursion...

This commit is contained in:
Masahiko AMANO 2022-03-03 00:43:36 +03:00
parent cfa3baf253
commit f7ffbebdae
2 changed files with 63 additions and 28 deletions

10
Cell.cs
View File

@ -4,8 +4,7 @@
{
public string value = " ";
public bool isMine = false;
public bool isOpened = false;
private bool isMarked = false;
public bool isMarked = false;
public Cell(bool mine)
{
@ -17,15 +16,12 @@
}
public string show()
{
if (isOpened)
return value;
else if (isMarked)
if (isMarked)
return "X";
else
return "■";
return value;
}
public void setMine() { isMine = true; }
public void open() { isOpened = true; }
public void mark() { isMarked = true; }
public void unmark() { isMarked = false; }
public bool isEmpty() { return value == " "; }

View File

@ -6,6 +6,7 @@
private int height = 0;
private int size = 0;
private List<Cell> cells = new List<Cell>();
private List<Cell> opened = new List<Cell>();
public Field(int input_width, int input_height, int nmines)
{
if (input_width < 0 || input_height < 0)
@ -79,7 +80,7 @@
Console.Write((char)('A' + y) + " ║");
for (int x = 0; x < width; x++)
{
Console.Write(" " + cells[y * width + x].show());
Console.Write(" " + ((opened.Contains(cells[y * width + x]) || cells[y * width + x].isMarked) ? cells[y * width + x].show() : "■"));
}
Console.WriteLine(" ║");
}
@ -94,33 +95,71 @@
{
if (y < 0 || y >= height || x < 0 || x >= width)
throw new Exception("Coordinates out of the field!");
cells[y * width + x].open();
if (cells[y * width + x].isEmpty())
this.recur_open(y, x, new List<Cell>());
return cells[y * width + x].isMine;
}
private void recur_open(int y, int x, List<Cell> opened)
{
if (!cells[y * width + x].isMine)
cells[y * width + x].open();
if (cells[y * width + x].isEmpty() && !opened.Contains(cells[y * width + x]))
if (cells[y * width + x].isMine)
return true;
if (cells[y * width + x].isMarked)
return false;
if (!opened.Contains(cells[y * width + x]))
{
opened.Add(cells[y * width + x]);
if (x < width - 1)
this.recur_open(y, x + 1, opened);
if (x > 0)
this.recur_open(y, x - 1, opened);
if (y < height - 1)
this.recur_open(y + 1, x, opened);
if (y > 0)
this.recur_open(y - 1, x, opened);
if (cells[y * width + x].isEmpty())
{
if (x < width - 1)
this.open(y, x + 1);
if (x > 0)
this.open(y, x - 1);
if (y < height - 1)
this.open(y + 1, x);
if (y > 0)
this.open(y - 1, x);
if (x < width - 1 && y < height - 1)
this.open(y + 1, x + 1);
if (x > 0 && y < height - 1)
this.open(y + 1, x - 1);
if (x < width - 1 && y > 0)
this.open(y - 1, x + 1);
if (x > 0 && y > 0)
this.open(y - 1, x - 1);
}
}
else if (!cells[y * width + x].isEmpty())
{
int marked = 0;
for (int y1 = y - 1; y1 < y + 2; y1++)
{
if (y1 < 0 || y1 >= height)
continue;
for (int x1 = x - 1; x1 < x + 2; x1++)
{
if (x1 < 0 || x1 >= width || y1 == y && x1 == x)
continue;
if (cells[y1 * width + x1].isMarked)
marked++;
}
}
if (marked == Convert.ToInt16(cells[y * width + x].value))
for (int y1 = y - 1; y1 < y + 2; y1++)
{
if (y1 < 0 || y1 >= height)
continue;
for (int x1 = x - 1; x1 < x + 2; x1++)
{
if (x1 < 0 || x1 >= width || y1 == y && x1 == x)
continue;
if (!cells[y1 * width + x1].isMarked && !opened.Contains(cells[y1 * width + x1]))
if (this.open(y1, x1))
return true;
}
}
}
return false;
}
public void openall()
{
for (int i = 0; i < size; i++)
{
cells[i].open();
if (!opened.Contains(cells[i]))
opened.Add(cells[i]);
}
}
public void mark(int y, int x) { cells[y * width + x].mark(); }
@ -128,7 +167,7 @@
public bool check()
{
for (int i = 0; i < size; i++)
if (!cells[i].isMine && !cells[i].isOpened)
if (!cells[i].isMine && !opened.Contains(cells[i]))
return false;
return true;
}