#include<bits/stdc++.h>
#include<windows.h>
#include<conio.h>
#include<time.h>
#include<string>
using namespace std;
 
/*=============== all the structures ===============*/
 
typedef struct Frame
{
    COORD position[2];
    int flag;
}Frame;
 
 
/*=============== all the functions ===============*/
 
void SetPos(COORD a)// set cursor 
{
    HANDLE out=GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleCursorPosition(out, a);
}
 
void SetPos(int i, int j)// set cursor
{
    COORD pos={i, j};
    SetPos(pos);
}
 
void HideCursor()
{
    CONSOLE_CURSOR_INFO cursor_info = {1, 0}; 
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);
}
 
//把第y行,[x1, x2) 之间的坐标填充为 ch
void drawRow(int y, int x1, int x2, char ch)
{
    SetPos(x1,y);
    for(int i = 0; i <= (x2-x1); i++)
        cout<<ch;
}
 
//在a, b 纵坐标相同的前提下,把坐标 [a, b] 之间填充为 ch
void drawRow(COORD a, COORD b, char ch)
{
    if(a.Y == b.Y)
        drawRow(a.Y, a.X, b.X, ch);
    else
    {
        SetPos(0, 25);
        cout<<"error code 01:无法填充行,因为两个坐标的纵坐标(x)不相等";
        system("pause");
    }
}
 
//把第x列,[y1, y2] 之间的坐标填充为 ch
void drawCol(int x, int y1, int y2, char ch)
{
    int y=y1;
    while(y!=y2+1)
    {
        SetPos(x, y);
        cout<<ch;
        y++;
    }
}
 
//在a, b 横坐标相同的前提下,把坐标 [a, b] 之间填充为 ch
void drawCol(COORD a, COORD b, char ch)
{
    if(a.X == b.X)
        drawCol(a.X, a.Y, b.Y, ch);
    else
    {
        SetPos(0, 25);
        cout<<"error code 02:无法填充列,因为两个坐标的横坐标(y)不相等";
        system("pause");
    }
}
 
//左上角坐标、右下角坐标、用row填充行、用col填充列
void drawFrame(COORD a, COORD  b, char row, char col)
{
    drawRow(a.Y, a.X+1, b.X-1, row);
    drawRow(b.Y, a.X+1, b.X-1, row);
    drawCol(a.X, a.Y+1, b.Y-1, col);
    drawCol(b.X, a.Y+1, b.Y-1, col);
}
 
void drawFrame(int x1, int y1, int x2, int y2, char row, char col)
{
    COORD a={x1, y1};
    COORD b={x2, y2};
    drawFrame(a, b, row, col);
}
 
void drawFrame(Frame frame, char row, char col)
{
    COORD a = frame.position[0];
    COORD b = frame.position[1];
    drawFrame(a, b, row, col);
}
 
void drawPlaying()
{
    drawFrame(0, 0, 48, 24, '=', '|');//    draw map frame;
    drawFrame(49, 0, 79, 4, '-', '|');//        draw output frame
    drawFrame(49, 4, 79, 9, '-', '|');//        draw score frame
    drawFrame(49, 9, 79, 20, '-', '|');//    draw operate frame
    drawFrame(49, 20, 79, 24, '-', '|');//    draw other message frame
    SetPos(52, 6);
    cout<<"得分:";
    SetPos(52, 7);
    cout<<"称号:";
    SetPos(52,10);
    cout<<"操作方式:";
    SetPos(52,12);
    cout<<"  a,s,d,w 控制战机移动。";
    SetPos(52,14);
    cout<<"  p 暂停游戏。";
    SetPos(52,16);
    cout<<"  e 退出游戏。";
}
 
//在[a, b)之间产生一个随机整数
int random(int a, int b)
{
    int c=(rand() % (a-b))+ a;
    return c;
}
 
//在两个坐标包括的矩形框内随机产生一个坐标
COORD random(COORD a, COORD b)
{
    int x=random(a.X, b.X);
    int y=random(a.Y, b.Y);
    COORD c={x, y};
    return c;
}
 
bool  judgeCoordInFrame(Frame frame, COORD spot)
{
    if(spot.X>=frame.position[0].X)
        if(spot.X<=frame.position[1].X)
            if(spot.Y>=frame.position[0].Y)
                if(spot.Y<=frame.position[0].Y)
                    return true;
    return false;
}
 
void printCoord(COORD a)
{
    cout    <<"( "<<a.X<<" , "<<a.Y<<" )";
}
 
void printFrameCoord(Frame a)
{
    printCoord(a.position[0]);
    cout    <<" - ";
    printCoord(a.position[1]);
}
 
int drawMenu()
{
    SetPos(30, 1);
    cout<<"P l a n e  W a r";
    drawRow(3, 0, 79, '-');
    drawRow(5, 0, 79, '-');
    SetPos(28, 4);
    cout<<"w 和 s 选择, k 确定";
    SetPos(15, 11);
    cout<<"1. 简单的敌人";
    SetPos(15, 13);
    cout<<"2. 冷酷的敌人";
    drawRow(20, 0, 79, '-');
    drawRow(22, 0, 79, '-');
    SetPos(47, 11);
    cout<<"简单的敌人:";
    SetPos(51, 13);
    cout<<"简单敌人有着较慢的移动速度。";
    SetPos(24, 21);
    cout<<"制作:LJF神犇";
    int j=11;
    SetPos(12, j);
    cout<<">>";
 
    //drawFrame(45, 9, 79, 17, '=', '|');
 
    while(1)
    {    if( _kbhit() )
        {    
            char x=_getch();
            switch (x)
            {
            case 'w' :
                    {    
                        if( j == 13)
                        {
                            SetPos(12, j);
                            cout<<" ";
                            j = 11;
                            SetPos(12, j);
                            cout<<">>";
                            SetPos(51, 13);
                            cout<<"            ";
                            SetPos(47, 11);
                            cout<<"简单的敌人:";
                            SetPos(51, 13);
                            cout<<"简单敌人有着较慢的移动速度,容易对付。";
                        }
                        break;
                    }
            case 's' :
                    {    
                        if( j == 11 )
                        {
                            SetPos(12, j);
                            cout<<" ";        
                            j = 13;
                            SetPos(12, j);
                            cout<<">>";
                            SetPos(51, 13);
                            cout<<"              ";
                            SetPos(47, 11);
                            cout<<"冷酷的敌人:";
                            SetPos(51, 13);
                            cout<<"冷酷的敌人移动速度较快,难对付哟!!!";
                        }
                        break;
                    }
            case 'k' :
                    {    
                        if (j == 8)    return 1;
                        else return 2;
                    }
            }
        }
    }
}
 
/* 
DWORD WINAPI MusicFun(LPVOID lpParamte)
{
    //DWORD OBJ;
    sndPlaySound(TEXT("bgm.wav"), SND_FILENAME|SND_ASYNC);
    return 0;
}
*/
 
 
/*================== the Game Class ==================*/
 
class Game
{
public:
    COORD position[10];
    COORD bullet[10];
    Frame enemy[8];
    int score;
    int rank;
    int rankf;
    string title;
    int flag_rank;
 
    Game ();
    
    //初始化所有
    void initPlane();
    void initBullet();
    void initEnemy();
 
    //初始化其中一个
    //void initThisBullet( COORD );
    //void initThisEnemy( Frame );
 
    void planeMove(char);
    void bulletMove();
    void enemyMove();
    
    //填充所有
    void drawPlane();
    void drawPlaneToNull();
    void drawBullet();
    void drawBulletToNull();
    void drawEnemy();
    void drawEnemyToNull();
 
    //填充其中一个
    void drawThisBulletToNull( COORD );
    void drawThisEnemyToNull( Frame );
 
    void Pause();
    void Playing();
    void judgePlane();
    void judgeEnemy();
 
    void Shoot();
 
    void GameOver();
    void printScore();
};
 
Game::Game()
{
    initPlane();
    initBullet();
    initEnemy();
    score = 0;
    rank = 25;
    rankf = 0;
    flag_rank = 0;
}
 
void Game::initPlane()
{
    COORD centren={39, 22};
    position[0].X=position[5].X=position[7].X=position[9].X=centren.X;
    position[1].X=centren.X-2;    
    position[2].X=position[6].X=centren.X-1;
    position[3].X=position[8].X=centren.X+1;
    position[4].X=centren.X+2;
    for(int i=0; i<=4; i++)
        position[i].Y=centren.Y;
    for(int i=6; i<=8; i++)
        position[i].Y=centren.Y+1;
    position[5].Y=centren.Y-1;
    position[9].Y=centren.Y-2;
}
 
void Game::drawPlane()
{
    for(int i=0; i<9; i++)
    {
        SetPos(position[i]);
        if(i!=5)
            cout<<"*";
        else if(i==5)
            cout<<"|";        
    }
}
 
void Game::drawPlaneToNull()
{
    for(int i=0; i<9; i++)
    {
        SetPos(position[i]);
        cout<<" ";
    }    
}
 
void Game::initBullet()
{
    for(int i=0; i<10; i++)
        bullet[i].Y = 30;
}
 
void Game::drawBullet()
{
    for(int i=0; i<10; i++)
    {
        if( bullet[i].Y != 30)
        {
            SetPos(bullet[i]);
            cout<<"I";    
        }
    }
}
 
void Game::drawBulletToNull()
{
    for(int i=0; i<10; i++)
        if( bullet[i].Y != 30 )
            {
                COORD pos={bullet[i].X, bullet[i].Y+1};
                SetPos(pos);
                cout<<" ";
            }    
}
 
void Game::initEnemy()
{
    COORD a={1, 1};
    COORD b={45, 15};
    for(int i=0; i<8; i++)
    {
        enemy[i].position[0] = random(a, b);
        enemy[i].position[1].X = enemy[i].position[0].X + 3;
        enemy[i].position[1].Y = enemy[i].position[0].Y + 2;
    }
}
 
void Game::drawEnemy()
{
    for(int i=0; i<8; i++)
        drawFrame(enemy[i].position[0], enemy[i].position[1], '-', '|');
}
 
void Game::drawEnemyToNull()
{
    for(int i=0; i<8; i++)
    {
        drawFrame(enemy[i].position[0], enemy[i].position[1], ' ', ' ');
    }        
}
 
void Game::Pause()
{
    SetPos(61,2);
    cout<<"               ";
    SetPos(61,2);
    cout<<"暂停中...";
    char c=_getch();
    while(c!='p')
        c=_getch();
    SetPos(61,2);
    cout<<"         ";
}
 
void Game::planeMove(char x)
{
    if(x == 'a')
        if(position[1].X != 1)
            for(int i=0; i<=9; i++)
                position[i].X -= 2;
                
    if(x == 's')
        if(position[7].Y != 23)
            for(int i=0; i<=9; i++)
                position[i].Y += 1;
 
    if(x == 'd')
        if(position[4].X != 47)
            for(int i=0; i<=9; i++)
                position[i].X += 2;
 
    if(x == 'w')
        if(position[5].Y != 3)
            for(int i=0; i<=9; i++)
                position[i].Y -= 1;
}
 
void Game::bulletMove()
{
    for(int i=0; i<10; i++)
    {
        if( bullet[i].Y != 30)
        {
            bullet[i].Y -= 1;
            if( bullet[i].Y == 1 )
            {
                COORD pos={bullet[i].X, bullet[i].Y+1};
                drawThisBulletToNull( pos );
                bullet[i].Y=30;
            }
                
        }
    }
}
 
void Game::enemyMove()
{
    for(int i=0; i<8; i++)
    {
        for(int j=0; j<2; j++)
            enemy[i].position[j].Y++;
 
        if(24 == enemy[i].position[1].Y)
        {
            COORD a={1, 1};
            COORD b={45, 3};
            enemy[i].position[0] = random(a, b);
            enemy[i].position[1].X = enemy[i].position[0].X + 3;
            enemy[i].position[1].Y = enemy[i].position[0].Y + 2;
        }
    }
}
 
void Game::judgePlane()
{
    for(int i = 0; i < 8; i++)
        for(int j=0; j<9; j++)
            if(judgeCoordInFrame(enemy[i], position[j]))
            {
                SetPos(62, 1);
                cout<<"坠毁";
                drawFrame(enemy[i], '+', '+');
                Sleep(1000);
                GameOver();
                break;
            }
}
 
void Game::drawThisBulletToNull( COORD c)
{
    SetPos(c);
    cout<<" ";
}
 
void Game::drawThisEnemyToNull( Frame f )
{
    drawFrame(f, ' ', ' ');
}
 
void Game::judgeEnemy()
{
    for(int i = 0; i < 8; i++)
        for(int j = 0; j < 10; j++)
            if( judgeCoordInFrame(enemy[i], bullet[j]) )
            {
                score += 5;
                drawThisEnemyToNull( enemy[i] );
                COORD a={1, 1};
                COORD b={45, 3};
                enemy[i].position[0] = random(a, b);
                enemy[i].position[1].X = enemy[i].position[0].X + 3;
                enemy[i].position[1].Y = enemy[i].position[0].Y + 2;                    
                drawThisBulletToNull( bullet[j] );
                bullet[j].Y = 30;
            }
}
 
void Game::Shoot()
{
    for(int i=0; i<10; i++)
        if(bullet[i].Y == 30)
        {
            bullet[i].X = position[5].X;
            bullet[i].Y = position[5].Y-1;
            break;
        }
}
 
void Game::printScore()
{
    if(score == 120 && flag_rank == 0)
    {
        rank -= 3;
        flag_rank = 1;
    }
 
    else if( score == 360 && flag_rank == 1)
    {
        rank -= 5;
        flag_rank = 2;
    }
    else if( score == 480 && flag_rank == 2)
    {
        rank -= 5;
        flag_rank = 3;
    }
    int x=rank/5;
    SetPos(60, 6);
    cout<<score;
 
    if( rank!=rankf )
    {
        SetPos(60, 7);
        if( x == 5)
            title="初级飞行员";
        else if( x == 4)
            title="中级飞行员";
        else if( x == 3)
            title="高级飞行员";
        else if( x == 2 )
            title="王牌飞行员";
        cout<<title;
    }
    rankf = rank;
}
 
void Game::Playing()
{
    //HANDLE MFUN;
    //MFUN= CreateThread(NULL, 0, MusicFun, NULL, 0, NULL); 
 
    drawEnemy();
    drawPlane();
 
    int flag_bullet = 0;
    int flag_enemy = 0;
 
    while(1)
    {
        Sleep(8);
        if(_kbhit())
        {
            char x = _getch();
            if ('a' == x || 's' == x || 'd' == x || 'w' == x)
            {
                drawPlaneToNull();
                planeMove(x);
                drawPlane();
                judgePlane();
            }            
            else if ('p' == x)
                Pause();
            else if( 'k' == x)
                Shoot();
            else if( 'e' == x)
            {
                //CloseHandle(MFUN);
                GameOver();
                break;
            }
                
        }
        /* 处理子弹 */
        if( 0 == flag_bullet )
        {
            bulletMove();
            drawBulletToNull();
            drawBullet();
            judgeEnemy();
        }            
        flag_bullet++;
        if( 5 == flag_bullet )
            flag_bullet = 0;
 
        /* 处理敌人 */
        if( 0 == flag_enemy )
        {
            drawEnemyToNull();
            enemyMove();            
            drawEnemy();
            judgePlane();
        }
        flag_enemy++;
        if( flag_enemy >= rank )
            flag_enemy = 0;
 
        /* 输出得分 */
        printScore();
    }
}
 
void Game::GameOver()
{
    system("cls");                
    COORD p1={28,9};
    COORD p2={53,15};
    drawFrame(p1, p2, '=', '|');
    SetPos(36,12);
    string str="Game Over!";
    for(int i=0; i<str.size(); i++)
    {
        Sleep(80);
        cout<<str[i];
    }
    Sleep(1000);
    system("cls");
    drawFrame(p1, p2, '=', '|');
    SetPos(31, 11);
    cout<<"击落敌机:"<<score/5<<" 架";
    SetPos(31, 12);
    cout<<"得  分:"<<score;
    SetPos(31, 13);
    cout<<"获得称号:"<<title;
    SetPos(30, 16);
    Sleep(1000);
    cout<<"继续? 是(y)| 否(n)制作:最牛的LJF";
as:
    char x=_getch();
    if (x == 'n')
        exit(0);
    else if (x == 'y')
    {
        system("cls");
        Game game;
        int a = drawMenu();
        if(a == 2)
            game.rank = 20;
        system("cls");
        drawPlaying();
        game.Playing();
    }
    else goto as;
}
 
/*================== the main function ==================*/
int main()
{
    //游戏准备
    srand((int)time(0));    //随机种子
    HideCursor();    //隐藏光标
    
    Game game;
    int a = drawMenu();
    if(a == 2)
        game.rank = 20;
    system("cls");
    drawPlaying();
    game.Playing();
}

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