using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Game
{
class Map
{
// 私有属性
// points 记录得分
// map 为二维数组
// randomNums 存储可以自动生成的数字
// random 随机类实例化
// topPoints为有记录的最高得分
// fileName是存放topPoints的文本文件
private int[,] map;
private int points;
private int topPoints;
private readonly string fileName = @".\topPoints.txt";
private readonly int[] randomNums = { 0, 2, 4, 8 };
private readonly Random random = new Random();
public Map()
{
// 构造函数
InitializeMap();
}
public void InitializeMap()
{
// 初始化类
points = 0;
GetTopPoints();
map = new int[4, 4];
// 为map随机填充数字
for (int row = 0; row < map.GetLength(0); row++)
{
for (int col = 0; col < map.GetLength(1); col++)
{
map[row, col] = randomNums[random.Next(0, 3)];
}
}
}
public void GetTopPoints()
{
// 打开filename，并读取topPoints
FileStream fs = new FileStream(fileName, FileMode.OpenOrCreate);
StreamReader sr = new StreamReader(fs);
string txt = sr.ReadLine();
if (txt == "")
{
topPoints = 0;
}
else
{
topPoints = Convert.ToInt32(txt);
}
sr.Close();
fs.Close();
}
public void SetTopPoints()
{
// 打开filename，并写入topPoints
FileStream fs = new FileStream(fileName, FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
string txt = topPoints.ToString();
sw.WriteLine(txt);
sw.Close();
fs.Close();
}
public bool ShuffleMap()
{
// 添加数字
ArrayList zerosList = new ArrayList();
// 如果没有空位置（0），则判定失败，返回false
int zeros = ZerosInMap(ref zerosList);
if (zeros == 0)
{
return false;
}
// 随机在空位置填充随机数
int num = random.Next(0, zeros - 1);
int[] list = (int[])(zerosList[num]);
map[list[0], list[1]] = randomNums[random.Next(0, 3)];
return true;
}
public int ZerosInMap(ref ArrayList zerosList)
{
// 查看map中有多少空位置，并记录空位置的索引信息到zerosList中
int zeros = 0;
for (int row = 0; row < map.GetLength(0); row++)
{
for (int col = 0; col < map.GetLength(1); col++)
{
if (map[row, col] == 0)
{
zeros++;
zerosList.Add(new int[2] { row, col });
}
}
}
return zeros;
}
public void TraverseMap()
{
// 遍历
// 显示分数
ShowPoints();
// 遍历显示map
// 0表示空位置，用Black黑色输出，以达到隐身的效果
// 非空位置，用DarkCyan深紫色输出
for (int row = 0; row < map.GetLength(0); row++)
{
Console.Write("\t\t[");
for (int col = 0; col < map.GetLength(1); col++)
{
if (map[row, col] == 0)
{
Console.ForegroundColor = ConsoleColor.Black;
Console.Write($"0, ");
Console.ResetColor();
}
else
{
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.Write($"{map[row, col]}, ");
Console.ResetColor();
}
}
Console.WriteLine("\b\b]");
}
}
public bool ReadKey()
{
// 获取键盘输入
ConsoleKeyInfo keyInfo;
// 键盘上箭头、下箭头、左箭头、右箭头
// 按Q键退出，返回false
Console.Write("Please enter a key[↑、↓、←、→]（q to quit）: ");
keyInfo = Console.ReadKey();
if (keyInfo.Key == ConsoleKey.UpArrow)
{
UpMap();
}
else if (keyInfo.Key == ConsoleKey.DownArrow)
{
DownMap();
}
else if (keyInfo.Key == ConsoleKey.LeftArrow)
{
LeftMap();
}
else if (keyInfo.Key == ConsoleKey.RightArrow)
{
RightMap();
}
else if (keyInfo.Key == ConsoleKey.Q)
{
return false;
}
return true;
}
public void UpMap()
{
// 上移
for (int col = 0; col < map.GetLength(1); col++)
{
for (int row = map.GetLength(0) - 1; row > 0; row--)
{
if (map[row, col] == 0)
{
continue;
}
else if (map[row - 1, col] == 0)
{
for (int r = row - 1; r < map.GetLength(0) - 1; r++)
{
map[r, col] ^= map[r + 1, col];
map[r + 1, col] ^= map[r, col];
map[r, col] ^= map[r + 1, col];
}
}
else if (map[row, col] == map[row - 1, col])
{
map[row - 1, col] *= 2;
points += map[row - 1, col];
map[row, col] = 0;
for (int r = row; r < map.GetLength(0) - 1; r++)
{
map[r, col] ^= map[r + 1, col];
map[r + 1, col] ^= map[r, col];
map[r, col] ^= map[r + 1, col];
}
}
}
}
}
public void DownMap()
{
// 下移
for (int col = 0; col < map.GetLength(1); col++)
{
for (int row = 0; row < map.GetLength(0) - 1; row++)
{
if (map[row, col] == 0)
{
continue;
}
else if (map[row + 1, col] == 0)
{
for (int r = row + 1; r > 0; r--)
{
map[r - 1, col] ^= map[r, col];
map[r, col] ^= map[r - 1, col];
map[r - 1, col] ^= map[r, col];
}
}
else if (map[row, col] == map[row + 1, col])
{
map[row + 1, col] *= 2;
points += map[row + 1, col];
map[row, col] = 0;
for (int r = row; r > 0; r--)
{
map[r - 1, col] ^= map[r, col];
map[r, col] ^= map[r - 1, col];
map[r - 1, col] ^= map[r, col];
}
}
}
}
}
public void LeftMap()
{
// 左移
for (int row = 0; row < map.GetLength(0); row++)
{
for (int col = map.GetLength(1) - 1; col > 0; col--)
{
if (map[row, col] == 0)
{
continue;
}
else if (map[row, col - 1] == 0)
{
for (int c = col - 1; c < map.GetLength(1)- 1; c++)
{
map[row, c] ^= map[row, c + 1];
map[row, c + 1] ^= map[row, c];
map[row, c] ^= map[row, c + 1];
}
}
else if (map[row, col] == map[row, col - 1])
{
map[row, col - 1] *= 2;
points += map[row, col - 1];
map[row, col] = 0;
for (int c = col; c < map.GetLength(1) - 1; c++)
{
map[row, c] ^= map[row, c + 1];
map[row, c + 1] ^= map[row, c];
map[row, c] ^= map[row, c + 1];
}
}
}
}
}
public void RightMap()
{
// 右移
for (int row = 0; row < map.GetLength(0); row++)
{
for (int col = 0; col < map.GetLength(1) - 1; col++)
{
if (map[row, col] == 0)
{
continue;
}
else if (map[row, col + 1] == 0)
{
for (int c = col + 1; c > 0; c--)
{
map[row, c - 1] ^= map[row, c];
map[row, c] ^= map[row, c - 1];
map[row, c - 1] ^= map[row, c];
}
}
else if (map[row, col] == map[row, col + 1])
{
map[row, col + 1] *= 2;
points += map[row, col + 1];
map[row, col] = 0;
for (int c = col; c > 0; c--)
{
map[row, c - 1] ^= map[row, c];
map[row, c] ^= map[row, c - 1];
map[row, c - 1] ^= map[row, c];
}
}
}
}
}
public void ExitMap()
{
// 退出
Console.WriteLine("See you next time!");
}
public void FailMap()
{
// 失败
Console.WriteLine("Sorry, you failed!");
}
public void ShowPoints()
{
if (points > topPoints)
topPoints = points;
// 显示分数
Console.WriteLine($"{points} Points!\t\tTop Score: {topPoints}");
}
}
}