程序目的：
輸入一個任意大小的迷宮，用棧求出一條走出迷宮的路徑，並
顯示在屏幕上。
程序實現：
可以實現載入迷宮和保存迷宮，附帶文件中有4個測試迷宮路徑的
文件test1~4.dd。請將這些文件拷貝到TC當前目錄下，或者在載
入時寫明完全路徑。由於屏幕大小的限制，當用戶自己輸入迷宮
時一定要注重：迷宮大小是有限制的，不小於4*3,不大於30*20。
否則會出現錯誤信息。輸入開始時全是牆，用上下左右鍵移動，
用Del鍵刪除牆，形成通路，用Enter鍵添加牆。輸入結束時可以
將迷宮保存下來，以dd為擴展名。輸入完畢時用F9鍵來得到結果，
找到路徑時，屏幕下方會出現Path found，否則出現Path not found。
程序經Turbo C 2.0編譯調試成功。運行時不用添加任何運行庫。
不可以在VC上編譯。
下載DOS版和windows版的迷宮游戲全部代碼
用戶名：migong
----------------------------------------------------------------------------------
/*
MazePath Demo BY Turbo C 2.0
Copyright(c) RoverUnion. All right reserved.
Filename: Maze.c
Author Dongchengyu.
Ver 1.10
*/
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <conio.h>
#include <dos.h>
#define OK 1
#define ERROR 0
#define TRUE 1
#define FALSE 0
#define F9 0x43
#define Esc 0x1b
#define Del 0x53
#define Home 0x47
#define End 0x4f
#define Space 0x20
#define Up 0x48
#define Down 0x50
#define Left 0x4b
#define Right 0x4d
#define Enter 0x0d
#define F2 0x3c
#define F3 0x3d
#define STACK_IN99v_SIZE 200
#define STACKINCREMENT 10
typedef int Boolean;
typedef int Status;
typedef strUCt {
int x;
int y;
} PosType;
typedef struct {
int ord;
PosType seat;
int di;
} SElemType;
typedef struct {
int td;
int foot;
int mark;
} MazeType;
typedef struct {
SElemType *base;
SElemType *top;
int stacksize;
} Stack;
int Maze[20][30];
MazeType maze[20][30];
PosType StartPlace;
PosType EndPlace;
int count;
int m,n;
Boolean b_start=FALSE,b_end=FALSE;
void CreatMaze(void);
Status SaveMaze(char *filename);
Status LoadMaze(char *filename);
void Error(char *message);
Status InitStack(Stack *s);
Status DestroyStack(Stack *s);
Status ClearStack(Stack *s);
Boolean StackEmpty(Stack *s);
int StackLength(Stack *s);
Status Push(Stack *s,SElemType e);
SElemType Pop(Stack *s,SElemType e);
Status GetTop(Stack *s,SElemType *e);
Status StackTraverse(Stack *s,Status (* visit)(SElemType *se));
Boolean Pass(PosType curpos);
void MarkPrint(PosType seat);
void FootPrint(PosType curpos);
PosType NextPos(PosType seat,int di);
Status MazePath(PosType start,PosType end);
void CreatMaze(void)
/* Form the maze. */
{
void Error(char *message);
Status SaveMaze(char *filename);
Status LoadMaze(char *filename);
int i,j;
int x,y;
char c;
char savename[12],loadname[12];
Boolean flag=FALSE,load=FALSE;
clrscr();
printf("Menu:
");
printf("1.Load Mazefile:(*.dd)
");
printf("2.Input Maze:
");
printf("Input your choice: ");
do
{
c=getch();
switch(c)
{
case ''''''''''''''''''''''''''''''''1'''''''''''''''''''''''''''''''': putch(''''''''''''''''''''''''''''''''1''''''''''''''''''''''''''''''''); break;
case ''''''''''''''''''''''''''''''''2'''''''''''''''''''''''''''''''': putch(''''''''''''''''''''''''''''''''2''''''''''''''''''''''''''''''''); break;
case Esc: sleep(1); exit(1);
default: break;
}
}
while(c!=''''''''''''''''''''''''''''''''1''''''''''''''''''''''''''''''''&&c!=''''''''''''''''''''''''''''''''2'''''''''''''''''''''''''''''''') ;
if(c==''''''''''''''''''''''''''''''''1'''''''''''''''''''''''''''''''')
{
printf("
LoadName: ");
scanf("%s",loadname);
if(LoadMaze(loadname))
{
sleep(1); load=TRUE;
}
else { gotoxy(1,9); printf("Load fail! "); }
}
if(!load)
{
printf("
Input the maze''''''''''''''''''''''''''''''''s size:
");
printf("
Input Length :
");
scanf("%d",&m);
printf("
Input Width :
");
scanf("%d",&n);
if(m<4n<4) Error("Input");
if(m>30n>20) Error("Maze too large");
for(i=0;i<30;i++)
for(j=0;j<20;j++)
Maze[j][i]=2;
StartPlace.x=0;
StartPlace.y=0;
EndPlace.x=0;
EndPlace.y=0;
clrscr();
printf("
");
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
printf(" #");
Maze[i-1][j-1]=0;
}
printf("
");
}
}
gotoxy(65,5);
printf("''''''''''''''''''''''''''''''''#'''''''''''''''''''''''''''''''':Wall");
gotoxy(65,7);
printf("Start:Home");
gotoxy(65,9);
printf("End:End");
gotoxy(65,11);
printf("Delete Wall:Del");
gotoxy(65,13);
printf("Enter Wall:Enter");
gotoxy(65,15);
printf("Save Maze:F2");
gotoxy(65,17);
printf("Complete:F9");
gotoxy(65,19);
printf("Exit:Esc");
gotoxy(4,3);
x=4;y=3;
do
{
c=getch();
switch(c)
{
case Up: if(y>3) { y--; gotoxy(x,y); }
break;
case Down: if(y<n) { y++; gotoxy(x,y); }
break;
case Left: if(x>4) { x-=2; gotoxy(x,y); }
break;
case Right: if(x<2*m-2) { x+=2; gotoxy(x,y); }
break;
case Del: if(y-2==StartPlace.y&&x/2-1==StartPlace.x) b_start=FALSE;
if(y-2==EndPlace.y&&x/2-1==EndPlace.x) b_end=FALSE;
putch('''''''''''''''''''''''''''''''' ''''''''''''''''''''''''''''''''); Maze[y-2][x/2-1]=1; gotoxy(x,y);
break;
case Enter: if(y-2==StartPlace.y&&x/2-1==StartPlace.x) break;
if(y-2==EndPlace.y&&x/2-1==EndPlace.x) break;
putch(''''''''''''''''''''''''''''''''#''''''''''''''''''''''''''''''''); Maze[y-2][x/2-1]=0; gotoxy(x,y);
break;
case Home: if(Maze[y-2][x/2-1]&&!b_start)
{
StartPlace.x=x/2-1;
StartPlace.y=y-2;
putch(''''''''''''''''''''''''''''''''S'''''''''''''''''''''''''''''''');
gotoxy(x,y);
b_start=TRUE;
}
break;
case End: if(Maze[y-2][x/2-1]&&!b_end)
{
EndPlace.x=x/2-1;
EndPlace.y=y-2;
putch(''''''''''''''''''''''''''''''''E'''''''''''''''''''''''''''''''');
gotoxy(x,y);
b_end=TRUE;
}
break;
case Esc: gotoxy(2,22); printf("exit"); sleep(1); exit(1);
case F9: if(b_start&&b_end) flag=TRUE; break;
case F2: gotoxy(2,22);
printf("Savename:");
scanf("%s",savename);
gotoxy(2,22);
if(SaveMaze(savename)) printf("Save OK! ");
else printf("Save fail! ");
sleep(1);
gotoxy(2,2
