#include <stdio.h>
#include <windows.h>
#include <time.h>
#define UP 1
#define DOWN 2
#define LEFT 3
#define RIGHT 4
#define MAX_LEVEL 8
#define BULLET_NUM 20
#define MAX_LIFE 4
typedef struct
{
int fast_tank_order;
int firm_tank_order;
} LevInfo;
LevInfo level_info [MAX_LEVEL] = {{-1,-1},{3,-1},{-1,3},{2,3},{2,3},{2,3},{2,3},{2,3}};
typedef struct //子弹结构体
{
int x,y; //子弹坐标,假坐标
int direction; //子弹方向变量
bool exist; //子弹存在与否的变量,1为存在,0不存在
bool initial; //子弹是否处于建立初状态的值,1为处于建立初状态,0为处于非建立初状态
bool my; //区分AI子弹与玩家子弹的标记,0为AI子弹,1为玩家(我的)子弹