基本信息

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   源码介绍

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该游戏有方块下落、移动的功能，也有设置方块下落的速度功能，并且可以放MP4类型的歌，以及能够改变游戏背景色

public MainForm()
{
     InitializeComponent();
 }
 private void Initiate()
 {
     try
     {
         XmlDocument doc = new XmlDocument();
         doc.Load("setting.ini");
         XmlNodeList nodes = doc.DocumentElement.ChildNodes;//获取根节点的所有孩子节点集合
         startLevel = Convert.ToInt32(nodes[0].InnerText);//设置初始级别
         level = startLevel;
         //获取键盘设置值
         keys = new Keys[5];
         for (int i = 0; i < nodes[2].ChildNodes.Count; i  )
         {
             KeysConverter kc = new KeysConverter();
             keys[i] = (Keys)(kc.ConvertFromString(nodes[2].ChildNodes[i].InnerText));
         }
     }
     catch
     {
          //默认情况
          keys = new Keys[5];
          keys[0] = Keys.Left;
          keys[1] = Keys.Right;
          keys[2] = Keys.Down;
          keys[3] = Keys.Up;
          keys[4] = Keys.NumPad0;
          level = 1;
          startLevel = 1;
       }

       timer1.Interval = 500 - 50 * (level - 1);//给每个级别指定不同的速率
       label1.Text = "速度级别： "   startLevel;
   }
        
        private void Start()
        {
            block = null;
            nextBlock = null;
            label1.Text = "速度级别： "   startLevel;
            label2.Text = "掉落块数： 0";
            label3.Text = "消除行数： 0";
            label4.Text = "掉落速度： 0";
            level = startLevel;
            timer1.Interval = 500 - 50 * (level - 1);
            paused = false;
            failed = false;
            panel1.Invalidate();
            panel2.Invalidate();
            nextShapeNO = 0;
            CreateBlock();
            CreateNextBlock();
            timer1.Enabled = true;
            //记录手速
            atStart = DateTime.Now;
            pauseTime = new TimeSpan(0);//时间间隔
        }
        
        private bool CreateBlock()
        {
            Point firstPos;//开始横坐标
            Color color;
            //随机选择方块
            if (nextShapeNO == 0)
            {
                Random rand = new Random();
                nextShapeNO = rand.Next(1, 8);
            }
            switch (nextShapeNO)
            {
                case 1://田
                    firstPos = new Point(4, 0);
                    color = Color.Turquoise;
                    break;
                case 2://一
                    firstPos = new Point(3, 0);
                    color = Color.Red;
                    break;
                case 3://土
                    firstPos = new Point(4, 0);
                    color = Color.Silver;
                    break;
                case 4://z
                    firstPos = new Point(4, 0);
                    color = Color.LawnGreen;
                    break;
                case 5://倒z
                    firstPos = new Point(4, 1);
                    color = Color.DodgerBlue;
                    break;
                case 6://L
                    firstPos = new Point(4, 0);
                    color = Color.Yellow;
                    break;
                default://倒L
                    firstPos = new Point(4, 0);
                    color = Color.Salmon;
                    break;
            }
            if (block == null)
            {
                block = new Block(panel1, 13, 19, 25, nextShapeNO, firstPos, color);
            }
            else
            {
                if (!block.GeneBlock(nextShapeNO, firstPos, color))
                {
                    return false;
                }
            }
            block.EraseLast();
            block.Move(2);//往下掉
            return true;
        }
        private void FixAndCreate()
        {
            block.FixBlock();
            label4.Text = "掉落速度："   Math.Round(block.BlockNum / (DateTime.Now - atStart).Subtract(pauseTime).TotalSeconds, 3)   "块/秒";
            label2.Text = "掉落块数： "   block.BlockNum;//总块数
            label3.Text = "消除行数： "   block.RowDelNum;//被删除的行数
            //自动增加级别
            if (level < 10 && block.RowDelNum - rowDelNum >= 30)
            {
                rowDelNum  = 30;
                level  ;
                timer1.Interval = 500 - 50 * (level - 1);
                label1.Text = "速度级别：  "   level;
            }
            bool createOK = CreateBlock();
            CreateNextBlock();
            if (!createOK)
                Fail();
        }
        private void SaveSetting()
        {
            try
            {
                XmlDocument doc = new XmlDocument();
                XmlDeclaration xmlDec = doc.CreateXmlDeclaration("1.0", "gb2312", null);

                XmlElement setting = doc.CreateElement("SETTING");
                doc.AppendChild(setting);

                XmlElement level = doc.CreateElement("LEVEL");
                level.InnerText = startLevel.ToString();
                setting.AppendChild(level);

                XmlElement keys = doc.CreateElement("KEYS");
                setting.AppendChild(keys);
                foreach (Keys k in this.keys)
                {
                    KeysConverter kc = new KeysConverter();
                    XmlElement x = doc.CreateElement("SUBKEYS");
                    x.InnerText = kc.ConvertToString(k);
                    keys.AppendChild(x);
                }

                XmlElement root = doc.DocumentElement;
                doc.InsertBefore(xmlDec, root);
                doc.Save("setting.ini");
            }
            catch (Exception xe)
            {
                MessageBox.Show(xe.Message);
            }
        }

        //处理方向键不响应窗体KeyDown事件
        protected override bool ProcessDialogKey(Keys keyData)
        {

            if (keyData == Keys.Up || keyData == Keys.Down || keyData == Keys.Left || keyData == Keys.Right)
            {
                return false;
            }
            else
            {
                return base.ProcessDialogKey(keyData);
            }
        }

        private void MainForm_KeyDown(object sender, KeyEventArgs e)
        {
            if (block != null && paused == false && !failed)
            {
                if (e.KeyCode == keys[0])
                {
                    if (block.Move(0))//左
                    {
                        block.EraseLast();
                    }
                }
                else if (e.KeyCode == keys[1])
                {
                    if (block.Move(1))//右
                    {
                        block.EraseLast();
                    }
                }
                else if (e.KeyCode == keys[2])//下
                {
                    if (!block.Move(2))
                    {
                        FixAndCreate();
                    }
                    else
                    {
                        block.EraseLast();
                    }
                }
                else if (e.KeyCode == keys[3])
                {
                    if (block.Rotate())
                    {
                        block.EraseLast();
                    }
                }
                else if (e.KeyCode == keys[4])
                {
                    block.Drop();
                    block.EraseLast();
                    FixAndCreate();
                }
            }
            if (e.KeyCode == Keys.F2)
            {
                Start();
            }
            else if (e.KeyCode == Keys.F3)
            {
                btn_stop_Click(null, null);
            }
            else if(e.KeyCode==Keys.F5)
            {
                btn_set_Click(sender,e);
            }
        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {

            Gra(e);
            if (block != null)
            {
                block.DrawBlocks(e.ClipRectangle);
            }
            if (failed)
            {
                Graphics gra = e.Graphics;
                gra.DrawString("Game Over", new Font("Arial Black", 25f), new SolidBrush(Color.Gray), 30, 30);
            }
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (block != null && !failed)
            {
                if (!block.Move(2))
                {
                    FixAndCreate();
                }
                else
                {
                    block.EraseLast();
                }
            }
        }
        private void set(object sender,EventArgs e)
        {
            if (!paused)
            {
                atPause = DateTime.Now;
                paused = true;
                timer1.Stop();
            }
            sform = new set_Form();
            sform.SetOptions(keys, startLevel);
            sform.DialogResult = DialogResult.Cancel;

            sform.ShowDialog();
            if (sform.DialogResult == DialogResult.OK)
            {
                sform.GetOptions(ref keys, ref startLevel);
                level = startLevel;
                label1.Text = "速度级别： "   level;
                timer1.Interval = 500 - 50 * (level - 1);
            }
            paused = false;
            pauseTime  = DateTime.Now - atPause;
            timer1.Start();
        }

        private void musicMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofDialog = new OpenFileDialog();
            ofDialog.AddExtension = true;
            ofDialog.CheckFileExists = true;
            ofDialog.CheckPathExists = true;
            ofDialog.Filter = "MP3文件(*.mp3)|*.mp3|Audio文件(*.avi)|*.avi|VCD文件(*.dat)|*.dat|WAV文件(*.wav)|*.wav|所有文件 (*.*)|*.*";
            ofDialog.DefaultExt = "*.mp3";
            if (ofDialog.ShowDialog() == DialogResult.OK)
            {
                axWindowsMediaPlayer1.URL = ofDialog.FileName;
            }
        }
    }