/// <summary>
/// 随机布地雷
/// </summary>
/// <param name="mineNum">地雷数</param>
private void SetRndMine(int mineNum)
{for (int k = 0; k < mineNum; k++){int nullnum = 0;for (int j = 0; j < _gameLevel._colGrid; j++){for (int i = 0; i < _gameLevel._rowGrid; i++){if (_backData[j, i] == (int)BackState.BLANK)nullnum++;}}if (nullnum < 1)return;int index = rnd.Next(1, nullnum);nullnum = 0;for (int j = 0; j < _gameLevel._colGrid; j++){for (int i = 0; i < _gameLevel._rowGrid; i++){if (_backData[j, i] == 0){nullnum++;if (nullnum != index)continue;_backData[j, i] = (int)BackState.MINE;        // 设置为地雷
                }}}}
}

/// <summary>
/// 设置地雷周围格子雷数
/// </summary>
private void SetCellMineNumber()
{for (int y = 0; y < _gameLevel._colGrid; y++){for (int x = 0; x < _gameLevel._rowGrid; x++){if (_backData[y, x] == (int)BackState.MINE)       // 遇到地雷则周围8格分别+1
            {if (x - 1 > -1 && y - 1 > -1 && _backData[y - 1, x - 1] != (int)BackState.MINE)_backData[y - 1, x - 1]++;if (y - 1 > -1 && _backData[y - 1, x] != (int)BackState.MINE)_backData[y - 1, x]++;if (y - 1 > -1 && x + 1 < _gameLevel._rowGrid && _backData[y - 1, x + 1] != (int)BackState.MINE)_backData[y - 1, x + 1]++;if (x - 1 > -1 && _backData[y, x - 1] != (int)BackState.MINE)_backData[y, x - 1]++;if (x + 1 < _gameLevel._rowGrid && _backData[y, x + 1] != (int)BackState.MINE)_backData[y, x + 1]++;if (y + 1 < _gameLevel._colGrid && x - 1 > -1 && _backData[y + 1, x - 1] != (int)BackState.MINE)_backData[y + 1, x - 1]++;if (y + 1 < _gameLevel._colGrid && _backData[y + 1, x] != (int)BackState.MINE)_backData[y + 1, x]++;if (y + 1 < _gameLevel._colGrid && x + 1 < _gameLevel._rowGrid && _backData[y + 1, x + 1] != (int)BackState.MINE)_backData[y + 1, x + 1]++;}}}
}

private void SetBackCellImage()
{BackCanvas.Children.Clear();for (int y=0; y<_gameLevel._colGrid; y++){for (int x=0; x<_gameLevel._rowGrid; x++){_backImage[y, x] = new Image();if (_backData[y, x] == (int)BackState.BLANK){_backImage[y, x].Source = ImageHelper.CutImage(_bmpSpace, new Int32Rect(0, 0, _cellSize.Width, _cellSize.Height));}else if (_backData[y, x] == (int)BackState.MINE){_backImage[y, x].Source = ImageHelper.CutImage(_bmpMine, new Int32Rect(0, 0, _cellSize.Width, _cellSize.Height));}else{for (int i = 0; i < 8; i++){if (_backData[y, x] == (i+1)){_backImage[y, x].Source = ImageHelper.CutImage(_bmpNum1_8, new Int32Rect(i * _cellSize.Width, 0, _cellSize.Width, _cellSize.Height));break;}}}_backImage[y, x].SetValue(Canvas.LeftProperty, x * (double)_cellSize.Width);_backImage[y, x].SetValue(Canvas.TopProperty, y * (double)_cellSize.Height);BackCanvas.Children.Add(_backImage[y, x]);}}
}

private void ResetGame()
{InitialGameState();InitGameData(_level);textBlockMineNum.Text = _gameLevel._mineNum.ToString();SetRndMine(_gameLevel._mineNum);SetCellMineNumber();SetBackCellImage();
}

private void MenuGameStart_Click(object sender, RoutedEventArgs e)
{ResetGame();_gameState = GameState.START;//  开始计时
    _stopWatchGame.Start();_timerSetTimeText.Start();
}

/// <summary>
/// 设置级别菜单状态
/// </summary>
/// <param name="level"></param>
private void SetMenuLevelState(Level level)
{switch (level){case Level.SIMPLE:MenuLowLevel.IsChecked = true;MenuMiddleLevel.IsChecked = false;MenuHighLevel.IsChecked = false;break;case Level.NORMAL:MenuLowLevel.IsChecked = false;MenuMiddleLevel.IsChecked = true;MenuHighLevel.IsChecked = false;break;case Level.HARD:MenuLowLevel.IsChecked = false;MenuMiddleLevel.IsChecked = false;MenuHighLevel.IsChecked = true;break;}
}

/// <summary>
/// 初级级别菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MenuLowLevel_Click(object sender, RoutedEventArgs e)
{if (_level == Level.SIMPLE)return;if (MessageBox.Show("将用新难度级别重置游戏，确认要继续吗？", "警告", MessageBoxButton.YesNo, MessageBoxImage.Asterisk)== MessageBoxResult.Yes){_level = Level.SIMPLE;SetMenuLevelState(_level);ResetGame();}
}/// <summary>
/// 中级级别菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MenuMiddleLevel_Click(object sender, RoutedEventArgs e)
{if (_level == Level.NORMAL)return;if (MessageBox.Show("将用新难度级别重置游戏，确认要继续吗？", "警告", MessageBoxButton.YesNo, MessageBoxImage.Asterisk)== MessageBoxResult.Yes){_level = Level.NORMAL;SetMenuLevelState(_level);ResetGame();}
}/// <summary>
/// 高级级别菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MenuHighLevel_Click(object sender, RoutedEventArgs e)
{if (_level == Level.HARD)return;if (MessageBox.Show("将用新难度级别重置游戏，确认要继续吗？", "警告", MessageBoxButton.YesNo, MessageBoxImage.Asterisk)== MessageBoxResult.Yes){_level = Level.HARD;SetMenuLevelState(_level);ResetGame();}
}

/// <summary>
/// 设置前景图片数组
/// </summary>
private void SetForeCellImages()
{ForeCanvas.Children.Clear();for (int y = 0; y < _gameLevel._colGrid; y++){for (int x = 0; x < _gameLevel._rowGrid; x++){if (_foreData[y, x] > (int)ForeState.NONE){_foreImage[y, x] = new Image();_foreImage[y, x].Source = ImageHelper.CutImage(_bmpForeground, new Int32Rect(0, 0, _cellSize.Width, _cellSize.Height));_foreImage[y, x].SetValue(Canvas.LeftProperty, x * (double)_cellSize.Width);_foreImage[y, x].SetValue(Canvas.TopProperty, y * (double)_cellSize.Height);ForeCanvas.Children.Add(_foreImage[y, x]);}}}
}