public void Reveal(TileProperty tile)
{
if (tile.IsFlagged || tile.IsRevealed || GameOver)
{
return;
}
tile.IsRevealed = true;
if (tile.IsBomb)
{
OnGameLose();
return;
}
RevealedSuccess++;
if (tile.SurroundingCount == 0)
{
RevealAllSurrounding(tile);
}
if (RevealedSuccess == RevealToWin)
{
GameOver = true;
GameWon.Invoke(this, EventArgs.Empty);
}
}
public MinesweeperGame(int rows, int columns, int mineCount)
{
Rows = rows;
Columns = columns;
MineCount = mineCount;
gameBoard = new TileProperty[rows][];
for (int i = 0; i < gameBoard.Length; i++)
{
gameBoard[i] = new TileProperty[columns];
for (int j = 0; j < gameBoard[i].Length; j++)
{
gameBoard[i][j] = new TileProperty();
gameBoard[i][j].Row = i;
gameBoard[i][j].Col = j;
}
}
int count = 0;
while (count < MineCount)
{
int randomRow = generator.Next(0, rows);
int randomCol = generator.Next(0, columns);
TileProperty tile = gameBoard[randomRow][randomCol];
if (!tile.IsBomb)
{
tile.IsBomb = true;
count++;
}
}
bool markedFirstHelper = false;
while (!markedFirstHelper)
{
int randomRow = generator.Next(0, rows);
int randomCol = generator.Next(0, columns);
TileProperty tile = gameBoard[randomRow][randomCol];
if (!tile.IsBomb)
{
markedFirstHelper = true;
tile.IsFirstHelper = true;
}
}
IterateAll(tile =>
{
IterateNeighbors(tile, neighbor =>
{
if (neighbor.IsBomb)
{
tile.SurroundingCount++;
}
});
});
}
private void RevealAllSurrounding(TileProperty tile)
{
IterateNeighbors(tile, neighbor =>
{
if (!neighbor.IsRevealed)
{
neighbor.IsRevealed = true;
RevealedSuccess++;
if (neighbor.SurroundingCount == 0)
{
RevealAllSurrounding(neighbor);
}
}
});
}
private void IterateNeighbors(TileProperty tile, Action <TileProperty> action)
{
for (int xoff = -1; xoff <= 1; xoff++)
{
for (int yoff = -1; yoff <= 1; yoff++)
{
var i = tile.Row + xoff;
var j = tile.Col + yoff;
if (i > -1 && i < Rows && j > -1 && j < Columns)
{
var neighbor = gameBoard[i][j];
action.Invoke(neighbor);
}
}
}
}
public void Flag(TileProperty tile)
{
if (tile.IsRevealed || GameOver)
{
return;
}
if (!tile.IsFlagged)
{
FlagCount++;
}
else
{
FlagCount--;
}
tile.IsFlagged = !tile.IsFlagged;
}
public void Chord(TileProperty tile)
{
if (!tile.IsRevealed || GameOver)
{
return;
}
// Count surrounding flags
int surroundingFlags = 0;
IterateNeighbors(tile, neighbor =>
{
if (neighbor.IsFlagged)
{
surroundingFlags++;
}
});
// Make sure its equal to the surrounding count, otherwise ignore this action
if (surroundingFlags == tile.SurroundingCount)
{
IterateNeighbors(tile, Reveal);
}
}