C++自动生成迷宫游戏

本文实例为大家分享了C++实现迷宫游戏的具体代码，供大家参考，具体内容如下

运用并查集自动生成迷宫地图，并运用队列和栈寻找迷宫通路并打印出来

#include<stdlib.h>
#include<iostream>
#include<time.h>
#include<queue>
#include<stack>
using namespace std;
using std::queue;
using std::stack;
typedef struct Point
{
int x;
int y;
int d;//方向 若方向为-1，则表示起点
}Point;
queue<Point> mqueue;
stack<Point> mstack;
Point pos, pos1;
int m, n;//迷宫行（tm-1）/2和列（tn-1）/2
int tm, tn;//实际作图
int x, y, tx1, tx2, ty1, ty2;//点坐标
int d;
int s[10000000];
int maze[1000][1000], mark[1000][1000];//最大迷宫
int sign[4][2] = { { -1,0 },{ 1,0 },{ 0,-1 },{ 0,1 } };//上下左右四个方向 0上 1下 2上 3下
Point start;
int Find_x(int x);
void unionSets(int node1, int node2);
void Init();
int getAdd(int x, int y);
void foundpath();
void fixmaze();
int connected(int node1, int node2);
void Findpath();
void changemaze();
int main()
{
Init();
cout << "请输入迷宫规模2x-1,2y-1：（x y）" << endl;
cin >> m >> n;
tm = m * 2 + 1;
tn = n * 2 + 1;
start.x = 1;
start.y = 1;
start.d = -1;
mqueue.push(start);
for (int i = 0; i < tm; i++)
{
for (int j = 0; j < tn; j++)
{
maze[i][j] = 1;
mark[i][j] = 0;
}
}
for (int i = 1; i < tm - 1; i += 2)
{
for (int j = 1; j < tn - 1; j += 2)
maze[i][j] = 0;
}
srand(time(NULL));
foundpath();
fixmaze();
cout << "迷宫全图：" << endl;
for (int i = 0; i < tm; i++)
{
for (int j = 0; j < tn; j++)
{
if (maze[i][j] == 1)
cout << "▇";
else if (maze[i][j] == 0) cout << "□";
}
cout << endl;
}
Findpath();
changemaze();
cout << "找到的通路：“..”表示：" << endl;
for (int i = 0; i < tm; i++)
{
for (int j = 0; j < tn; j++)
{
if (maze[i][j] == 1)
cout << "▇";
else if (maze[i][j] == 0) cout << "□";
else if (maze[i][j] == -1) cout << "..";

}
cout << endl;
}
system("pause");
return 0;
}
int connected(int node1, int node2)
{
return Find_x(node1) == Find_x(node2);
}
int Find_x(int x)
{
if (s[x] < 0)
return x;
else
return Find_x(s[x]);

};
void unionSets(int node1, int node2)
{
int root1 = Find_x(node1);
int root2 = Find_x(node2);
if (root1 == root2)
return;
if (s[root2] < s[root1])
s[root1] = root2;
else {
if (s[root1] == s[root2])
s[root1]--;
s[root2] = root1;
}
};
int getAdd(int x, int y)
{
return (x*tn + y);
};
void Init()
{
for (int i = 0; i < 10000000; ++i)
s[i] = -1;
};
void foundpath()
{
while (connected(getAdd(1, 1), getAdd(tm - 2, tn - 2)) != 1)
{
do
{
x = rand() % (tm - 2) + 1;
y = rand() % (tn - 2) + 1;
} while (maze[x][y] == 0);
d = x % 2;
if (d == 0)
{
tx1 = x + 1;
ty1 = y;
tx2 = x - 1;
ty2 = y;
if (connected(getAdd(tx1, ty1), getAdd(tx2, ty2)) != 1)
{
maze[x][y] = 0;
unionSets(Find_x(getAdd(tx1, ty1)), Find_x(getAdd(tx2, ty2)));
}
}
else if (d == 1)
{
tx1 = x;
ty1 = y + 1;
tx2 = x;
ty2 = y - 1;
if (connected(getAdd(tx1, ty1), getAdd(tx2, ty2)) != 1)
{
maze[x][y] = 0;
unionSets(Find_x(getAdd(tx1, ty1)), Find_x(getAdd(tx2, ty2)));
}
}
}
}
void fixmaze()
{
for (int i = 1; i < tm - 1; i++)
{
for (int j = 1; j < tn - 1; j++)
{
if (maze[i - 1][j] == 1 && maze[i + 1][j] == 1 && maze[i][j + 1] == 1 && maze[i][j - 1] == 1)
{
maze[i][j] = 1;
}
}
}
for (int i = 1; i < tm - 1; i++)
{
for (int j = 1; j < tn - 1; j++)
{
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 1 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 1 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 1 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 1 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 1 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 1 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 1 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 1 && maze[i + 1][j + 1] == 0)
{
maze[i][j] = 1;
}
if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 1)
{
maze[i][j] = 1;
}
}
}//局部优化，防止出现大面积通路
}
void Findpath()
{
int flag = 0;
int i, j;
while (!mqueue.empty())
{
i = mqueue.front().x;
j = mqueue.front().y;
mark[i][j] = 1;
for (int k = 0; k < 4; k++)
{
if (mark[i + sign[k][0]][j + sign[k][1]] == 0 && maze[i + sign[k][0]][j + sign[k][1]] == 0)
{
pos.x = i + sign[k][0];
pos.y = j + sign[k][1];
pos.d = k;
mark[pos.x][pos.y] = 1;
mqueue.push(pos);
if (mqueue.back().x == tm - 2 && mqueue.back().y == tn - 2)
{
mstack.push(mqueue.front());
mstack.push(mqueue.back());
flag = 1;
break;
}
}
}
if (flag) break;
mstack.push(mqueue.front());
if (!mqueue.empty())
mqueue.pop();
}
}
void changemaze()
{
int i, j, k;
i = mstack.top().x;
j = mstack.top().y;
k = mstack.top().d;
maze[i][j] = -1;
while (mstack.size()>0)
{
if (mstack.top().x == i - sign[k][0] && mstack.top().y == j - sign[k][1])
{
i = i - sign[k][0];
j = j - sign[k][1];
k = mstack.top().d;
maze[i][j] = -1;
if (!mstack.empty())
mstack.pop();
}
else if (!mstack.empty())
mstack.pop();

}
}

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