贪吃蛇游戏.cpp

#include //包含WinCon.h
#include
#include
#include
/*
***宏定义
*/
#define MAP_WIDTH 20
#define MAP_HEIGHT 20
#define UP 1
#define DOWN 2
#define LEFT 3
#define RIGHT 4

/*
***结构体
*/
typedef struct snake//蛇身的一个节点
{
unsigned int x, y;
struct snake *next;
}SNAKE;
/*
***全局变量
*/
unsigned int Score = 0;
unsigned int Direction, Time_sleep = 250;
SNAKE *head, *food;//蛇头指针， 食物指针
SNAKE *q;//遍历和判断蛇的时候用到的指针
unsigned char Game_status = 0;// 游戏结束的情况：1：撞到墙；2：咬到自己；3：主动退出游戏。
/*
***函数声明
*/
void Pos_Set(unsigned int x, unsigned int y);
void Map_Create(void);
void Snake_Init(void);
void Pause(void);
void Game_Control(void);
void Game_Init(void);
void Game_End(void);
void Wall_Cross(SNAKE *s);
void Snake_Move(void);
unsigned char Bit_Self(SNAKE *s);
void Debug(void);
/*
***主函数
*/
unsigned char main()
{
Game_Init();
Game_Control();
//Game_End();
return 0;
}
/****************************************************************
* Function Name: Pos_Set
* Description : 设置光标位置
* Parameter : unsigned int x, unsigned int y
* Return : void
***************************************************************/
void Pos_Set(unsigned int x, unsigned int y)
{
COORD pos;
HANDLE houtput;
pos.X = x;
pos.Y = y;
houtput = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorPosition(houtput,pos);
}
/****************************************************************
* Function Name: Map_Create
* Description : 创建地图
* Parameter : void
* Return : void
***************************************************************/
void Map_Create(void)
{
unsigned int i = 0;
for (i = 0; i <= MAP_WIDTH; i++) // 上下边框
{
Pos_Set(2 * i, 0);
printf("■");
Pos_Set(2 * i, MAP_HEIGHT);
printf("■");
}

for (i = 0; i <= MAP_HEIGHT; i++)
{
Pos_Set(0, i);
printf("■");
Pos_Set(2 * MAP_WIDTH, i );
printf("■");
}
}
/****************************************************************
* Function Name: Snake_Init()
* Description : 蛇的初始化
* Parameter : void
* Return : void
***************************************************************/
void Snake_Init(void)
{
SNAKE *tail;
unsigned int i = 0;
head = (SNAKE *)malloc(sizeof(SNAKE));
head->x = 12*2;
head->y = 12;
head->next = NULL;
q = head;

for (i = 0;i <=0; i++)
{

tail = (SNAKE *)malloc(sizeof(SNAKE));
tail->x = 12*2+2*i;
tail->y = 12;
q->next = tail; //上一节点的next指向tail
q = q->next;//or q = tail //q移动指向tail q充当指挥者
}
q->next = NULL;
q = head;//q 指向头

while(q != NULL)
{

Pos_Set(q->x, q->y);
if(q == head)printf("X");
else printf("o");
q = q->next;
}
}
/****************************************************************
* Function Name: Food_Create()
* Description : 创造食物
* Parameter : void
* Return : void
***************************************************************/
void Food_Create(void)
{
SNAKE *food_1;
srand((unsigned )time(NULL));
food_1 =(SNAKE *)malloc(sizeof(SNAKE));
food_1->x = 2*(rand()%(MAP_WIDTH - 1)+1);
food_1->y = rand()%(MAP_HEIGHT -1)+1;
q = head;

while(q != NULL)
{
if (q->x == food_1->x && q->y == food_1->y)
{
food_1->x = 2*(rand()%(MAP_WIDTH - 1)+1);
food_1->y = rand()%(MAP_HEIGHT -1)+1;
q = head;
}
else
{
q = q->next;
}
}

Pos_Set(food_1->x, food_1->y);
printf("*");
food = food_1;
}
/****************************************************************
* Function Name: Wall_Cross
* Description : 判断是否撞墙
* Parameter : SNAKE *s
* Return : void
***************************************************************/
void Wall_Cross(SNAKE *s)
{

if (s->x == 0 || s->x == MAP_WIDTH*2 || s->y == 0 || s->y== MAP_HEIGHT )
{
Game_status = 1;
Game_End();
}
}
/****************************************************************
* Function Name: Bit_Self
* Description : 判断蛇是否要到自己
* Parameter : SNAKE *s
* Return : 0 没有咬到自己
: 1 咬到自己
***************************************************************/
unsigned char Bit_Self(SNAKE *s)
{
q = head;
while (q != NULL)
{
if ((q->x == s->x) && (q->y == s->y))
{
return 1;
}
q = q->next;
}
return 0;
}
/****************************************************************
* Function Name: Snake_Move()
* Description : 蛇的运动:上UP 下DOWN 左LEFT右RIGHT
* Parameter : void
* Return : void
***************************************************************/
void Snake_Move(void)
{
SNAKE * head_next;
head_next = (SNAKE *)malloc(sizeof(SNAKE));

if(Direction == UP)
{
head_next->x = head->x;
head_next->y = head->y - 1;
}
else if (Direction == DOWN)

{
head_next->x = head->x;
head_next->y = head->y + 1;
}
else if(Direction == LEFT)
{
head_next->x = head->x - 2;
head_next->y = head->y;
}
else if(Direction == RIGHT)
{
head_next->x = head->x + 2;
head_next->y = head->y;
}
Wall_Cross(head_next);//是否撞墙
if (Bit_Self(head_next)==1)//是否咬到自己
{
Game_status = 2;
Game_End();
}
if (head_next->x == food->x && head_next->y == food->y)//有食物
{

head_next->next = head;
head = head_next;
q = head;
while(q !=NULL)//加上新蛇头，全都画
{
Pos_Set(q->x, q->y);
if(q ==head)printf("X");
else printf("o");
q = q->next;
}
Score +=1;
Food_Create();

}
else//没有食物
{
head_next->next = head;
head = head_next;
q = head;
while (q ->next->next != NULL)//加上新蛇头，最后一个尾巴不画
{


Pos_Set(q->x, q->y);
if(q == head)printf("X");
else printf("o");
q = q->next;
}
Pos_Set(q->next->x, q->next->y);
printf(" ");
free(q->next);
q->next = NULL;
}
}
/****************************************************************
* Function Name: Game_Control
* Description : 控制游戏
* Parameter : void
* Return : void
***************************************************************/
void Game_Control(void)
{


Direction = DOWN;
while (1)
{
Pos_Set(45, 5);
printf("得分: %d分", Score);

if (GetAsyncKeyState(VK_UP) && (Direction != DOWN))
{
Direction = UP;
}
else if (GetAsyncKeyState(VK_DOWN) && (Direction != UP))
{
Direction = DOWN;
}
else if (GetAsyncKeyState(VK_LEFT) && (Direction != RIGHT))
{
Direction = LEFT;
}
else if (GetAsyncKeyState(VK_RIGHT) && (Direction != LEFT))
{
Direction = RIGHT;
}
else if (GetAsyncKeyState(VK_SPACE) )

{
Pause();
}
else if (GetAsyncKeyState(VK_ESCAPE))
{
Game_status = 3;
}
Sleep(Time_sleep);
Snake_Move();
}
}
/****************************************************************
* Function Name: Pause
* Description : 暂停
* Parameter : void
* Return : void
***************************************************************/
void Pause(void)
{
while (1)
{
Sleep(300);
if(GetAsyncKeyState(VK_SPACE))
{
break;
}
}
}
/****************************************************************
* Function Name: WelcomeToGame
* Description : 开始界面
* Parameter : void
* Return : void
***************************************************************/
void WelcomeToGame(void)
{
Pos_Set(10,5);
printf("李先生制作 放冒必揪\n");
Pos_Set(10, 10);
printf("用↑、↓、←、→控制贪吃蛇运动方向");
Pos_Set(10, 15);
printf("ESC: 退出游戏， SPACE: 暂停游戏\n");
Pos_Set(10, 20);
system("pause");
system("cls");

}
/****************************************************************
* Function Name: Game_End
* Description : 游戏结束
* Parameter : void
* Return : void
***************************************************************/
void Game_End(void)
{
system("cls");
Pos_Set(20, 10);
if (Game_status == 1)
{
printf("撞死在墙上了\n");
}
else if (Game_status == 2)
{
printf("咬死自己了\n");
}
else if (Game_status == 3)
{
printf("游戏结束\n");
}
Pos_Set(25,15);
printf("你的得分是： %d 分\n", Score);
Pos_Set(25,20);
system("pause");
exit(0);
}
/****************************************************************
* Function Name: Game_Init
* Description : 游戏初始化
* Parameter : void
* Return : void
***************************************************************/
void Game_Init(void)
{
system("mode con cols=100 lines=100");
WelcomeToGame();
Map_Create();
Snake_Init();
Food_Create();
}