/// <summary>
/// Flag the given square. This doesn't reveal the square, just adds a mark saying there may be a bomb there
/// </summary>
/// <param name="x">The x coordinate of the square</param>
/// <param name="y">The y coordinate of the squar</param>
public void FlagSquare(int x, int y)
{
if (!IsOnMap(x, y))
{
return;
}
RevealedState state = m_revealedState[x, y];
// Can't flag revealed squares
if (state == RevealedState.Flag || state == RevealedState.Unexplored)
{
if (state == RevealedState.Flag)
{
state = RevealedState.Unexplored;
m_bombsRemaining++;
}
else
{
state = RevealedState.Flag;
m_bombsRemaining--;
}
// Update the tile
m_revealedState[x, y] = state;
m_tileMap.RefreshTile(new Vector3Int(x, y, 0));
}
}
/// <summary>
/// Reveals the current square. If the square does not touch any bombs, does a flood fil of the touching
/// non bomb-touching squares
/// </summary>
/// <param name="x">The x coordinate of the square</param>
/// <param name="y">The y coordinate of the square</param>
public void RevealSquare(int x, int y)
{
if (m_gameOver || !IsOnMap(x, y))
{
return;
}
Queue <Vector3Int> squaresToReveal = new Queue <Vector3Int>();
squaresToReveal.Enqueue(new Vector3Int(x, y, 0));
while (squaresToReveal.Count > 0)
{
Vector3Int square = squaresToReveal.Dequeue();
RevealedState state = m_revealedState[square.x, square.y];
if (state == RevealedState.Unexplored)
{
// Reveal the square and update the tile
m_revealedState[square.x, square.y] = RevealedState.Guessed;
m_tileMap.SetTile(new Vector3Int(square.x, square.y, 0), RevealedSquare);
if (m_grid[square.x, square.y] == 1)
{
// Hit a bomb, end the game
StopGame(false);
break;
}
// If the square isn't touching bombs, add all the unexplored neighbors to the queue of squares we're revealing
if (GetBombsTouchingSquare(square.x, square.y) == 0)
{
foreach (Vector3Int neighbor in GetNeighbors(square))
{
if (IsOnMap(neighbor.x, neighbor.y) && m_revealedState[neighbor.x, neighbor.y] == RevealedState.Unexplored)
{
squaresToReveal.Enqueue(neighbor);
}
}
}
}
}
// Check if we've won the game
if (CheckVictory())
{
StopGame(true);
}
}
public override void GetTileData(Vector3Int position, ITilemap tilemap, ref TileData tileData)
{
// Query if we are flagged or not
MapInformation mapInfo = tilemap.GetComponent <Transform>().gameObject.GetComponentInParent <MapInformation>();
RevealedState state = mapInfo.GetRevealedStateForSquare(position.x, position.y);
if (state == RevealedState.Unexplored)
{
tileData.sprite = Unexplored;
}
else if (state == RevealedState.Flag)
{
tileData.sprite = Flag;
}
}