C++版本简易Flappy bird

大一，上学期学完了C,写了几个控制台游戏
这学期自学C++，由于学校课程第七周才有C++

边学边写了这个小游戏，SDL 图形库完成的图形绘画
时间匆忙，BUG也有，代码效率比较低
和原作品还是很大的差别， 源代码在附件游戏文件夹中

演示图

#include <stdlib.h>
#include<windows.h>
#include <time.h>
#include<conio.h>
#include <iostream>
#include <mmsystem.h>
#include "SDL\SDL_image.h"
#include "SDL\SDL_ttf.h"
#include "SDL\SDL.h"
using namespace std;
#pragma comment(lib, "winmm.lib")
#pragma comment(linker, "/subsystem:\"windows\" /entry:\"mainCRTStartup\"")
 int iii=0;
 int score =0;
 int y=0;
 int posi[3][2]= {{640,-300},{940,-300},{1240,-300}};
int i=0,n=3;  //n为管道对数
SDL_Color textColor_1 = { 37, 134, 108 };//绿色
//SDL_Color textColor_2 = { 112, 112, 35 };
SDL_Color textColor_2 = { 255, 255, 255 }; //白色

SDL_Color textColor_3 = { 0, 88, 132 }; //白色

class Event
{
public:
  SDL_Event event;
  Uint8 *keystates;
  Event()
  {
    keystates=SDL_GetKeyState( NULL );
  }


};
Event thing;
class Data
{
public:
  int bird_y;
  int score;
  int posi[20][2];
  SDL_Rect bird_1;
  SDL_Rect bird_2;
  SDL_Rect bg;
  SDL_Rect welcome;
  SDL_Rect pipe_up;
  SDL_Rect pipe_down;
  SDL_Rect bird_cls;
  SDL_Rect foot;

  SDL_Surface* load_imag(char *s)
  {
    SDL_Surface* temp;
    temp=IMG_Load(s);

    bg.x=0;
    bg.y=0;
    bg.w=640;
    bg.h=480;

    welcome.x=681;
    welcome.y=0;
    welcome.w=640;
    welcome.h=480;

    bird_1.x=17;
    bird_1.y=508;
    bird_1.w=52;
    bird_1.h=34;

    bird_2.x=461;
    bird_2.y=531;
    bird_2.w=52;
    bird_2.h=33;

    bird_cls.w=52;
    bird_cls.h=33;
    bird_cls.x=0;
    bird_cls.y=0;

    pipe_up.x=1361;
    pipe_up.y=11;
    pipe_up.w=103;
    pipe_up.h=410;

    pipe_down.x=1487;
    pipe_down.y=14;
    pipe_down.w=103;
    pipe_down.h=443;

    foot.x=0;
    foot.y=404;
    foot.w=640;
    foot.h=80;



    return temp;//SDL_DisplayFormat( temp );
  }

  TTF_Font* load_font()
  {
    SDL_Init( SDL_INIT_EVERYTHING );
    TTF_Init();
    return TTF_OpenFont( "main_1.dat", 36 );

  }
};

Data data;

class Pri
{

public:
  SDL_Surface* out; //输出
  SDL_Surface* main ; //主窗口
  TTF_Font *font;
  SDL_Rect a; //设置初始位置
  SDL_Surface*bird;
  SDL_Rect xy;
  SDL_Surface*font_1;
  SDL_Surface*font_2;
  SDL_Surface*font_11;
  SDL_Surface*font_22;


  Pri()
  {
      TTF_Font *font = NULL;
      init();//初始化输出设备

  }

  int init()
  {
    SDL_Init( SDL_INIT_EVERYTHING );
    TTF_Init();
    main= SDL_SetVideoMode( 640, 478, 32, SDL_SWSURFACE );
    SDL_WM_SetCaption("Flappy bird",NULL);//标题
    font=data.load_font();
    out=data.load_imag("main_2.dat");
    y=150;

    posi[0][0]=640;
    posi[0][1]=-300;
    posi[1][0]=940;
    posi[1][1]=-300;
    posi[2][0]=1240;
    posi[2][1]=-300;
    return 1;
  }

  int pipe()
  {

  }

  int bir(int y)//x=150
  {int ii;
  i+=1;
  xy.x=150;
  xy.y=y;
  if(i<14)

    {
      xy.x=150;
      xy.y=y;
      SDL_BlitSurface(out,&data.bg,main,NULL);


      for(ii=0;ii<n;ii++)
      {
        xy.x=posi[ii][0];
        xy.y=posi[ii][1];
        SDL_BlitSurface(out,&data.pipe_down,main,&xy);
        xy.x=posi[ii][0];
        xy.y=posi[ii][1]+600;
        SDL_BlitSurface(out,&data.pipe_up,main,&xy);

      }





      xy.x=150;
      xy.y=y;
      SDL_BlitSurface(out,&data.bird_1,main,&xy);
    xy.x=0;
      xy.y=404;
      SDL_BlitSurface(out,&data.foot,main,&xy);

    }


  else
    {
      xy.x=150;
      xy.y=y;
      SDL_BlitSurface(out,&data.bg,main,NULL);
      for(ii=0;ii<n;ii++)
      {
        xy.x=posi[ii][0];
        xy.y=posi[ii][1];
        SDL_BlitSurface(out,&data.pipe_down,main,&xy);

        xy.x=posi[ii][0];
        xy.y=posi[ii][1]+600;
        SDL_BlitSurface(out,&data.pipe_up,main,&xy);

      }

      xy.x=150;
      xy.y=y;
      SDL_BlitSurface(out,&data.bird_2,main,&xy);
      xy.x=0;
      xy.y=404;
      SDL_BlitSurface(out,&data.foot,main,&xy);
      if(i>28)i=0;
    }
    return 0;


  }

  int bg()
  {
      SDL_BlitSurface(out,&data.bg,main,&xy);

      return 0;
  }

  int over()
  {
    int x=0,y=0,i=0;

    xy.x=250;
    xy.y=150;
    font_1=TTF_RenderText_Solid( font, "Game over !", textColor_3);
    SDL_BlitSurface( font_1 , NULL, main, &xy);

    SDL_Flip(main);

    xy.x=350;
    xy.y=200;
    font_1=TTF_RenderText_Solid( font, "Retry game", textColor_1 );
    font_11=TTF_RenderText_Solid( font, "Retry game", textColor_2 );
    SDL_BlitSurface( font_1 , NULL, main, &xy);


    xy.x=350;
    xy.y=280;

    font_2=TTF_RenderText_Solid( font, " Exit game", textColor_1 );
    font_22=TTF_RenderText_Solid( font, " Exit game", textColor_2 );
    SDL_BlitSurface( font_2 , NULL, main, &xy);
/*
    xy.x=10;
    xy.y=440;
    //野指针
    SDL_BlitSurface( TTF_RenderText_Solid( font, "Esc:exit game  Space:to jump hekun ", textColor_1 ) , NULL, main, &xy);
    SDL_Flip( main ); //更新窗口
    */

    while(SDL_PollEvent( &thing.event ), 1)
    {
      i+=2;
      Sleep(1);
      if( thing.keystates[ SDLK_ESCAPE] )exit(0);
      if( thing.event.type == SDL_QUIT )// 点击了SDL关闭按钮
      {
        exit(0);
      }


      if((x>350&&x<540)&&(y<240)&&(y>200))
      {
        if(thing. event.type == SDL_MOUSEBUTTONDOWN)
          if(thing.event.button.button== SDL_BUTTON_LEFT )
          {
            SDL_FreeSurface(font_1);
            SDL_FreeSurface(font_11);
            SDL_FreeSurface(font_22);
            SDL_FreeSurface(font_2);
          WinExec("Flappy bird.exe",NULL);
          exit(0);
            return 11;
          }


      }
      else
      {


      }



      if((x>350&&x<540)&&(y<320)&&(y>280))  //结束游戏
      {
        if(thing. event.type == SDL_MOUSEBUTTONDOWN)
          if(thing.event.button.button== SDL_BUTTON_LEFT )exit(0);

      }


      if(thing. event.type == SDL_MOUSEMOTION )
      {
        x=thing.event.motion.x;
        y=thing.event.motion.y;

        //获得鼠标坐标
        if((thing.event.motion.x>350&&thing.event .motion .x<540)&&(thing.event.motion.y<240)&&(thing.event.motion.y>200))
        {
          xy.x=350;
          xy.y=200;
          SDL_BlitSurface( font_11, NULL, main, &xy);
          SDL_Flip(main);
        }
        else
        {
          xy.x=350;
          xy.y=200;
          SDL_BlitSurface( font_1 , NULL, main, &xy);
          SDL_Flip(main);
        }



        if((thing.event.motion.x>350&&thing.event .motion .x<540)&&(thing.event.motion.y<320)&&(thing.event.motion.y>280))
        {
          xy.x=350;
          xy.y=280;
          SDL_BlitSurface( font_22 , NULL, main, &xy);
          SDL_Flip(main);


        }
        else
        {
          xy.x=350;
          xy.y=280;
          SDL_BlitSurface( font_2 , NULL, main, &xy);
          SDL_Flip(main);
        }
      }



    }
    return 0;
  }

  int welcome()
  {

    int x=0,y=0,i=0;


    SDL_BlitSurface(out,&data.welcome,main,NULL);
    bird=out;
    xy.x=350;
    xy.y=200;
    font_1=TTF_RenderText_Solid( font, "Start game", textColor_1 );
    font_11=TTF_RenderText_Solid( font, "Start game", textColor_2 );
    SDL_BlitSurface( font_1 , NULL, main, &xy);

    xy.x=350;
    xy.y=280;

    font_2=TTF_RenderText_Solid( font, " Exit game", textColor_1 );
    font_22=TTF_RenderText_Solid( font, " Exit game", textColor_2 );
    SDL_BlitSurface( font_2 , NULL, main, &xy);

    xy.x=10;
    xy.y=440;
    //野指针
    SDL_BlitSurface( TTF_RenderText_Solid( font, "Esc:exit game  Space:to jump hekun ", textColor_1 ) , NULL, main, &xy);
    SDL_Flip( main ); //更新窗口


    while(SDL_PollEvent( &thing.event ), 1)
    {
      i+=2;
      Sleep(1);
      if( thing.keystates[ SDLK_ESCAPE] )exit(0);
      if( thing.event.type == SDL_QUIT )// 点击了SDL关闭按钮
      {
        exit(0);
      }


      if((x>350&&x<540)&&(y<240)&&(y>200))
      {
        if(thing. event.type == SDL_MOUSEBUTTONDOWN)
          if(thing.event.button.button== SDL_BUTTON_LEFT )
          {
            SDL_FreeSurface(font_1);
            SDL_FreeSurface(font_11);
            SDL_FreeSurface(font_22);
            SDL_FreeSurface(font_2);
            return 0;
          }


      }
      else
      {


      }



      if((x>350&&x<540)&&(y<320)&&(y>280))  //结束游戏
      {
        if(thing. event.type == SDL_MOUSEBUTTONDOWN)
          if(thing.event.button.button== SDL_BUTTON_LEFT )exit(0);

      }


      if(thing. event.type == SDL_MOUSEMOTION )
      {
        x=thing.event.motion.x;
        y=thing.event.motion.y;

        //获得鼠标坐标
        if((thing.event.motion.x>350&&thing.event .motion .x<540)&&(thing.event.motion.y<240)&&(thing.event.motion.y>200))
        {
          xy.x=350;
          xy.y=200;
          SDL_BlitSurface( font_11, NULL, main, &xy);
          SDL_Flip(main);
        }
        else
        {
          xy.x=350;
          xy.y=200;
          SDL_BlitSurface( font_1 , NULL, main, &xy);
          SDL_Flip(main);
        }



         if((thing.event.motion.x>350&&thing.event .motion .x<540)&&(thing.event.motion.y<320)&&(thing.event.motion.y>280))
        {
          xy.x=350;
          xy.y=280;
          SDL_BlitSurface( font_22 , NULL, main, &xy);
          SDL_Flip(main);


        }
        else
        {
          xy.x=350;
          xy.y=280;
          SDL_BlitSurface( font_2 , NULL, main, &xy);
          SDL_Flip(main);
        }
      }


      if(i==400)
      {
        xy.x=150;
        xy.y=250;
        SDL_BlitSurface(bird,&data.bird_1,main,&xy);
        SDL_Flip(main);
      }



      if(i==800)
      {
        xy.x=150;
        xy.y=250;
        SDL_BlitSurface(bird,&data.bird_2,main,&xy);
        i=0;
        SDL_Flip(main);
      }


    }
    return 0;

  }



};

Pri pri;



int game_judge()
{int i=0;
  if(y>370||y<-10)
  {
    if(pri.over()==11)return 12;

  }

  for(i=0;i<3;i++)
  {
    if(posi[i][0]<202 &&posi[i][0]>50)
    {
      if(y<posi[i][1]+ 420 ||y>posi[i][1]+570)
      {if(pri.over()==11)return 12;}
    }

  }


  return 0;
}



int game_loop()
{ y=150,i=0;
  int ii=0,iii=0;
  SDL_Surface *font;
  pri.bg();

  char s[50];
  Uint32 start = 0;
  sprintf(s," FPS:%d\t\t\t\t\t\t\t\tScore:%d",1000/(SDL_GetTicks()-start),score);

  int q=0;
while(SDL_PollEvent( &thing.event ), 1)
{

  start = SDL_GetTicks();
  i++;
  Sleep(1);
  SDL_Flip(pri.main);
  y+=4;
  if(y>430)y=100;

  if(thing.event.button.state==SDL_PRESSED)y-=20;
  if( thing.keystates[ SDLK_SPACE] )y-=20;
  if( thing.keystates[ SDLK_ESCAPE] )exit(0);
  if( thing.event.type == SDL_QUIT )// 点击了SDL关闭按钮
  {
    exit(0);
  }

  if(game_judge()==12)return 0;

    pri.bir(y);

    //显示 每秒循环的次数
    ii++;
    if(ii>20)
    {
      sprintf(s," FPS:%d\t\t\t\t\t\t\t\tScore:%d",1000/(SDL_GetTicks()-start)+rand()%5,score);
      ii=0;
    }


      font=TTF_RenderText_Solid( pri.font, s, textColor_2 );
      SDL_BlitSurface(font , NULL,pri. main, NULL);
      SDL_Flip(pri.main);
      SDL_FreeSurface(font);

      posi[0][0]-=2;
      posi[1][0]-=2;
      posi[2][0]-=2;

      if(posi[0][0]<=(-110))
      {posi[0][0]=posi[2][0]+300;posi[0][1]=-(rand()%180)-220;}

      if(posi[1][0]<=(-110))
      {posi[1][0]=posi[0][0]+300;posi[1][1]=-(rand()%180)-220;}


      if(posi[2][0]<=(-110))
      {posi[2][0]=posi[1][0]+300;posi[2][1]=-(rand()%180)-220;}



      iii++;
      if(iii>50)

      for(iii=0;iii<3;iii++)
      {
        if(posi[iii][0]<50);
        score++;
        iii=0;
        break;
      }

}

  return 0;

}

int main(int argc, char* argv[])
{

  while(1)
  {

    pri.init();//初始化输出设备
    pri.welcome();
    game_loop();

  }
  return 0;
}

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