map1.txt

                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
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map2.txt

                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                    ╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳                    
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                    ╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳                    
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map3.txt

                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                    ╳╳                                ╳╳                    
                    ╳╳                                ╳╳                    
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                    ╳╳                                ╳╳                    
                    ╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳                    
                    ╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳                    
                    ╳╳                                ╳╳                    
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v0981016.cpp

/*
v0981006:
    取消 reciprocal.h ，並將裡面的函式移進此程式碼內 

v0980125:
    計分版完成
    增加多按幾下方向鍵可增加速度的功能 
    DATE:2009/3/19 

v0971226:
    改變遊戲畫面 (改成彩色) 
    障礙物地圖可由檔案讀取 

v0971221:
    將自定函式的本體全部移到 main() 之後 
    改變開始畫面 (改成彩色及方向鍵方式) (可塑性不高，待改) 
    縮小遊戲版面為 22*80 (預計加入記分版) 
    DATE:2008/12/21
*/
#include<iostream>
#include<fstream>
#include<ctime>
#include<conio.h>
#include<windows.h>
#define MAPLIST "maplist.txt"
#define MAP_PATH "map\\"
#define degree_of_difficulty 10000
#define MAX_MAIN_MENU 5
#define MAX_PAUSE_MENU 7 
using namespace std;

//選單結構 
typedef struct menu_node_type
{
  string sa;
  int sx;
  int sy;
}menu_node;

int velocity=200;//速度 用於 Sleep() 函式的變數 越大越慢 
int velo_list[10]={1000,790,580,475,370,265,160,125,90,55};//速度預設間距 velo_list[velo_ch]
int score;//分數
int step_count;//計步器 
bool admin=0;//作弊模式 
int setting[3]={0,5,0};//遊戲設定 
HANDLE hStdOut;//gotoxy(),clrscr(),setcolor()
COORD scrn;
char bodysign[3]="○",headsign[3]="●",foodsign[3]="☆",blocksign[3]="╳";//各項代表符號
menu_node pause_menu[]={{"遊  戲   暫  停",30,8},
                        {"在這個畫面可以使用的指令有:",25,10},
                        {"  exit | 結束遊戲",30,11},
                        {"option | 數值設定",30,12},
                        {"未輸入 | 繼續遊戲",30,13},
                        {"輸入完請按Enter",30,15},
                        {"->",27,16}};//暫停時的目錄 
  //需同時更改 show_color_board() 內的 max[] 

void gotoxy(int,int);//移動游標 
void setcolor(int,int);//設定顏色 
void clrscr(void);//清空螢幕 
void show_boardsign();//顯示邊界 
void show_color_board(char [],int []);//以顏色輸出版面
void show_main_menu(int []);//顯示開始畫面 
void font(int,int,int);//設定顏色及位置
int move_head(int*,int,char[],int[]);//移動頭 
int pause_status();//暫停視窗 
bool move_tail(int*,char[],int[]);//移動尾巴 
bool change_setting(int);//更換設定 
void show_score_board(int);//計分版 
void show_num(int);

int main()
{
  system("title 貪吃蛇 v0980125 BY 戴均民"); 
  hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
  int direct_replace_a[4]={80,75,77,72},direct_replace_b[4]={2,4,6,8};//下左右上 
  //0->遊戲模式 1->使用者的速度選擇 2->地圖列表 
  while(1)
  {
    srand(time(NULL));//設定亂數種子 
    
    //以下是變數宣告,設定 
    int direction=6;//方向 up8 down2 left4 right6
    char ca;//用於接收按鍵 
    int head=4;//持久性的蛇頭座標 使用 head % 80 即為 x 座標 , 使用 head / 80 即為 y 座標 
               //這個變數的值必須位於 0 ~ 22*80 ( 1760 ) 之間 , 最後三行為記分板 
    int tail=0;//持久性的蛇尾座標 
    char board[1761]={"○○●"};//盤面顯示 
    int va[880]={1,2,3};//盤面紀錄 
    int food;//給蛇吃的食物 ☆ 
    int food_count=0;//食物數量計數器 
    int vc=2;//儲存  move_tail() 所傳回的值 
    string sfilename="";//儲存地圖的檔名 
    score=0;//分數歸零
    step_count=0;//計步器歸零 
    bool speedup=false;
    
    show_main_menu(setting);//程式開場
    
    //The game's source code field
    //setting[2] 地圖讀取 
    if(setting[2]==1)
    {
      clrscr();
      /*
      string sa="MAPLIST";
      int tfile_c=0;//地圖數
      if(!fin)
      {
        MessageBox(NULL,"找不到地圖檔列表，\n請確認 map 資料夾內有 maplist.txt","錯誤",0);
        setting[2]=0;
        break;
      }
      fin>>tfile_c;
      string* sb=new string[tfile_c];
      for(int i=0;i<tfile_c;i++)getline(fin,sb[i]);
      for(int i=0;i<tfile_c;i++)cout<<"   "<<sb[i]<<endl;
      */
      cout<<"請輸入檔名 -> ";
      getline(cin,sfilename);
      sfilename= MAP_PATH +sfilename;
      ifstream fin(sfilename.c_str());
      if(!fin)setting[2]=0;
      if(setting[2]==1)
      {
        int ta,tb,tc;
        while(fin>>ta>>tb>>tc)
          if((0<=ta && ta<=79) && (0<=tb && tb<=21) && (-2<=tc && tc<=-1) && va[tb*40+ta]==0)
          {
            va[tb*40+ta]=tc;
            switch(tc)
            {
            case -1:
              board[tb*80+ta*2]=foodsign[0],board[tb*80+ta*2+1]=foodsign[1];
              break;
            case -2:
              board[tb*80+ta*2]=blocksign[0],board[tb*80+ta*2+1]=blocksign[1];
              break;
            }
          }
      }
      //地圖讀取結束 
    }
    
    for(int i=6;i<1760;i++)
      if(board[i]==0)board[i]=' ';//以空白填充盤面
    
    //setting[0] 遊戲模式 
    switch(setting[0])
    {
    case 1:
      int tempa=rand()%(440-3);
      for(int i=3;i<tempa;i++)
      {
        food_count++;
        food=rand()%880;
        if(va[food]!=0)food_count--,i--;
        else
        {
            va[food]=-1;
            board[food*2]=foodsign[0],board[food*2+1]=foodsign[1];
        }
      }
      break;
    }
    if(setting[0]==2)return 0;
    
    velocity=velo_list[setting[1]];//setting[1] 速度 
    
    //倒數 
    clrscr();
    for(int i=3;i>0;i--)
    {
      show_num(i);
      Sleep(750); 
      clrscr();
    }
    show_color_board(board,va);
    //system("pause");
    show_score_board(3);
    while(1)
    {
      if(kbhit())//接收所按的按鍵 
      {
        ca=getch();
        if(ca==13)
        {
          while(kbhit())getch();
          switch(pause_status())
          {
          case 1:
            return 0;
          case 2:
            admin=!admin;
            break;
          case 3:
            int choose1;
            do
            {
              clrscr();
              cout<<"數值設定:"<<endl;
              cout<<"         |"<<endl;
              cout<<"  1.速度 | 目前: "<<velocity<<endl;
              cout<<"  0.退出 |"<<endl;
              cout<<"         |"<<endl;
              cout<<endl;
              cout<<"請輸入 -> ";
              choose1=0;
              cin>>choose1;
            }while(change_setting(choose1));
            break;
          }
          clrscr();
          show_color_board(board,va);
          show_score_board(3);
        }
        if(ca==-32)
        {
          ca=getch();
          for(int i=0;i<4;i++)
            if(ca==direct_replace_a[i])
            {
              if(direction!=direct_replace_b[i])direction=direct_replace_b[i];
              else speedup=true;
              break;
            }
        }
      }
      if(!food_count)
      {
        do{
          food_count++;
          food=rand()%880;
          if(va[food]!=0)food_count--;
          else
          {
            va[food]=-1;
            board[food*2]=foodsign[0],board[food*2+1]=foodsign[1];
            gotoxy((food*2%80),(food*2)/80);
            font(-1,-1,5);
            cout<<foodsign;
            font(-1,-1,0);
          }
        }while(!food_count);
      }
      int vc=move_head(&head,direction,board,va);
      step_count++;
      if(vc==0)break;
      else if(vc==1)
      {
        food_count--;
        score+=setting[1]+step_count/100;
        show_score_board(2);
      }
      else if(vc==2)move_tail(&tail,board,va);
      
      if(speedup)speedup=false;
      else Sleep(velocity);//過渡用變數 
    }
    font(40,23,2);
    cout<<"遊戲結束 , ";
    Sleep(500);
    system("pause");
    clrscr();
  }
}
//==============================================================================
void gotoxy(int xpos, int ypos)
{
  //COORD scrn;
  //HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
  scrn.X = xpos; scrn.Y = ypos;
  SetConsoleCursorPosition(hStdOut,scrn);
}
void setcolor(int f=7,int b=0)
{ //f 和 b 參數傳遞形式 i*8+j
  //其中i為亮暗的差別，j為顏色 
  // 黑 藍 綠 青 紅 紫 黃 白 
  unsigned short ForeColor=f+16*b;
  SetConsoleTextAttribute(hStdOut,ForeColor);
}
void clrscr(void)
{
  font(0,0,0);
  for(int i=0;i<2000;i++)printf(" ");
  font(0,0,0);
}

int move_head(int *head,int direction,char board[],int va[])
{
  int x=*head%80,y=*head/80;
  bool eat_food=false;
  if(direction==2 && y>=22)return 0;
  else if(direction==4 && x<=0)return 0;
  else if(direction==6 && x>=78)return 0;//因為使用雙字元 ■▉
  else if(direction==8 && y<=0)return 0;
  
  if(direction==2)*head+=80;
  else if(direction==4)*head-=2;
  else if(direction==6)*head+=2;
  else if(direction==8)*head-=80;
  
  if(board[*head]==foodsign[0] && board[*head+1]==foodsign[1])eat_food=true;
  else if(board[*head]!=' ' && board[*head+1]!=' ')return 0;//撞到身體 
  
  int temp=va[40*y+x/2],vb=(*head/80)*40+*head%80/2;
  if(temp< degree_of_difficulty )va[vb]=temp+1;
  else
  {
    va[vb]=1;
    if(velocity>60)velocity-=10;//速度遞減 
  }
  
  board[80*y+x]=bodysign[0],board[80*y+x+1]=bodysign[1];
  board[*head]=headsign[0],board[*head+1]=headsign[1];
  
  font(x,y,4);
  cout<<bodysign;
  font(*head%80,*head/80,3);
  cout<<headsign;
  font(-1,-1,0);
  
  if(eat_food)return 1;
  return 2;
}

bool move_tail(int *tail,char board[],int va[])
{
  int x=*tail%80,y=*tail/80;
  int direction=0;//標示移動的方向
  
  //找尋方向 
  if(va[40*y+x/2]+1==va[40*(y-1)+x/2] || 
  (va[40*y+x/2]+1== degree_of_difficulty && va[40*(y-1)+x/2]==1))
  direction=8;
  else if(va[40*y+x/2]+1==va[40*(y+1)+x/2] || 
       (va[40*y+x/2]+1== degree_of_difficulty && va[40*(y+1)+x/2]==1))
       direction=2;
  else if(va[40*y+x/2]+1==va[40*y+(x/2-1)] || 
       (va[40*y+x/2]+1== degree_of_difficulty && va[40*y+(x/2-1)]==1))
       direction=4;
  else if(va[40*y+x/2]+1==va[40*y+(x/2+1)] || 
       (va[40*y+x/2]+1== degree_of_difficulty && va[40*y+(x/2+1)]==1))
       direction=6;
  
  if(direction==2)*tail+=80;
  else if(direction==8)*tail-=80;
  else if(direction==6)*tail+=2;
  else if(direction==4)*tail-=2;
  
  board[80*y+x]=' ',board[80*y+x+1]=' ';
  gotoxy(x,y);
  cout<<"  ";
  va[40*y+x/2]=0; 
}

int pause_status()
{
	int x,y,menu_count=4,choose=0,inputx=30,inputy=15;
	string smenu[]={"","exit","taichunmin","option"};
	
	string sa;
	bool miss_input=true;
	while(miss_input)
	{
    x=22,y=5;
    gotoxy(x,y++);
  	cout<<"┌───────────────┐";gotoxy(x,y++);
  	cout<<"│                              │";gotoxy(x,y++);
  	cout<<"│      遊  戲   暫  停         │";gotoxy(x,y++);
  	cout<<"│                              │";gotoxy(x,y++);
  	cout<<"│ 在這個畫面可以使用的指令有:  │";gotoxy(x,y++);
  	cout<<"│        exit | 結束遊戲       │";gotoxy(x,y++);
  	cout<<"│      option | 數值設定       │";gotoxy(x,y++);
  	cout<<"│      未輸入 | 繼續遊戲       │";gotoxy(x,y++);
  	cout<<"│                              │";gotoxy(x,y++);
  	cout<<"│      輸入完請按Enter         │";gotoxy(x,y++);
  	cout<<"│   ->                         │";gotoxy(x,y++);//14 22
  	cout<<"│                              │";gotoxy(x,y++);
  	cout<<"└───────────────┘";gotoxy(inputx,inputy);//輸入
    getline(cin,sa);
    for(int i=0;i<menu_count && miss_input;i++)
        if(sa==smenu[i])miss_input=false,choose=i;
	}
	return choose;
}

bool change_setting(int choose1)
{
    if(choose1<1 || choose1>1)return false;
    string menu_name[]={"","速度"};
    clrscr();
    cout<<"你選 "<<menu_name[choose1]<<endl;
    if(choose1==1)
    {
      cout<<"請輸入新的值 -> ";
      cin>>velocity;
    }
    return true;
}

void show_boardsign()//顯示邊界 
{
  char boardsign[][3]={"╔","╦","╗","╠","╬","╣","╚","╩","╝","║","═"};//邊界 ,""
                    //  0    1    2    3    4    5    6    7    8    9    10
  /*
  ╔═╦═╗
  ╠═╬═╣ ╔╦╗╠═╬╣╓╥╖╒╤╕║╚╩╝╟╫╢╙╨╜╞╪╡╘╧╛
  ╚═╩═╝
  */
  font(0,0,0);
  cout<<boardsign[0];
  for(int i=1;i<39;i++)
  {
    font(-1,-1,-1);
    cout<<boardsign[1];
  }
  cout<<boardsign[2];
  gotoxy(0,23);
  cout<<boardsign[6];
  for(int i=1;i<39;i++)
  {
    font(-1,-1,-1);
    cout<<boardsign[7];
  }
  cout<<boardsign[8];
  for(int i=1;i<23;i++)
  {
    font(0,i,-1);
    cout<<boardsign[3];
    font(78,i,-1);
    cout<<boardsign[5];
  }
}

void show_main_menu(int setting[])//顯示開始畫面 
{
  menu_node main_menu[]={{"<< 貪吃蛇遊戲 >>",31,4},
                         {"遊 戲 模 式 ：",24,8},
                         {"遊 戲 速 度 ：",24,12},
                         {"遊 戲 地 圖 ：",24,16},
                         {"請用上下左右進行選擇",28,21}};//主目錄 
    
  string setting_text[][25]={{"普通模式","食物模式","結束遊戲"},
                             {"0","1","2","3","4","5","6","7","8","9"},
                             {"無障礙物","讀取地圖"}};//遊戲選單
  int sett_x_y[][2]={{46,8},{50,12},{46,16}};//{,},輸出所選設定的xy座標 
  int max[]={3,10,2};
  char ca;//用於接收按鍵
  int ia=0;//紀錄目前的選項 
  int leftsite=43,rightsite=55;//左右箭頭的輸出位置 

  //選單 
  show_boardsign();
  for(int i=0;i<MAX_MAIN_MENU;i++)
  {
    gotoxy(main_menu[i].sx,main_menu[i].sy);
    cout<<main_menu[i].sa;
  }
  for(int i=0;i<MAX_MAIN_MENU-2;i++)
  {
    font(sett_x_y[i][0],sett_x_y[i][1],-1);
    cout<<setting_text[i][ setting[i] ];
  }
  font(main_menu[ia+1].sx-1,main_menu[ia+1].sy,1);
  cout<<' '<<main_menu[ia+1].sa;
  font(leftsite,main_menu[ia+1].sy,2);
  cout<<"←";
  font(rightsite,main_menu[ia+1].sy,-1);
  cout<<"→";
  font(79,24,0);//把游標藏起來 
  
  while(ca=getch())
  {
    if(ca==-32)
    {
      ca=getch();
      if(ca==72 || ca==80)//上下 
      {
        font(main_menu[ia+1].sx-1,main_menu[ia+1].sy,-1);
        cout<<' '<<main_menu[ia+1].sa;
        font(leftsite,main_menu[ia+1].sy,-1);
        cout<<"  ";
        font(rightsite,main_menu[ia+1].sy,-1);
        cout<<"  ";
        if(ca==72)ia+=MAX_MAIN_MENU-3;
        else ia+=MAX_MAIN_MENU-1;
        ia%=MAX_MAIN_MENU-2;
        font(main_menu[ia+1].sx-1,main_menu[ia+1].sy,1);
        cout<<' '<<main_menu[ia+1].sa;
        font(leftsite,main_menu[ia+1].sy,2);
        cout<<"←";
        font(rightsite,main_menu[ia+1].sy,-1);
        cout<<"→";
        font(79,24,-1);//把游標藏起來 
        font(-1,-1,0);//清空顏色設定 
      }
      else if(ca==75 || ca==77)//左右 
      {
        if(ca==75)setting[ia]+=max[ia]-1;
        else setting[ia]+=max[ia]+1;
        setting[ia]%=max[ia];
        font(sett_x_y[ia][0],sett_x_y[ia][1],-1);
        cout<<setting_text[ia][ setting[ia] ];
      }
    }
    else if(ca==13)
    {
      font(-1,-1,0);
      gotoxy(leftsite,main_menu[ia+1].sy);
      cout<<"  ";
      gotoxy(rightsite,main_menu[ia+1].sy);
      cout<<"  ";
      return;
    }
    font(79,24,-1);//把游標藏起來 
  }
}

void show_score_board(int statis=1)//計分版
{
  if(statis%2)
  {
    font(0,22,-1);
    for(int i=0;i<40;i++)cout<<"═";
    font(2,22,-1);
    cout<<" 得  分 "; 
    font(22,22,-1);
    cout<<"╦";
    for(int i=23;i<25;i++)
    {
      font(22,i,-1);
      cout<<"║";
    }
    font(26,22,-1);
    cout<<" 小 提 示 ";
    font(40,23,-1);
    cout<<"若要暫停遊戲請按 Enter 鍵。"; 
  }
  if((statis/2)%2)
  {
    font(10,23,5);
    cout.width(10);
    cout<<score;
  }
  font(79,24,0);//把游標藏起來 
}

void font(int x,int y,int type=-1)//設定顏色及位置 
{
  //f 和 b 參數傳遞形式 i*8+j
  //其中i為亮暗的差別，j為顏色 
  // 黑 藍 綠 青 紅 紫 黃 白 
  // 0  1  2  3  4  5  6  7
  static int font_data[][2]={
    {7,0},//原始 0
    {12,2},//選單名字 1
    {12,14},//箭頭 2
    {11,0},//蛇頭 3
    {2,0},//蛇身 4
    {14,0},//食物 5
    {13,14}};//障礙物 6 
  static int now_font=0;
  if(type>-1 && now_font!=type)
  {
    setcolor(font_data[type][0],font_data[type][1]);
    now_font=type;
  }
  if(x>-1 && y>-1)gotoxy(x,y);
}

void show_color_board(char board[],int va[])
{
  for(int i=0;i<880;i++)
  {
    switch(va[i])
    {
    case -2://障礙物
      font(-1,-1,6);
      break; 
    case -1://食物 
      font(-1,-1,5);
      break;
    case 0://空格
      font(-1,-1,0);
      break;
    default:
      if(board[2*i]==headsign[0] && board[2*i+1]==headsign[1])
        font(-1,-1,3);//蛇頭 
      else if(board[2*i]==bodysign[0] && board[2*i+1]==bodysign[1])
        font(-1,-1,4);//蛇身
      else if(board[2*i]==blocksign[0] && board[2*i+1]==blocksign[1])
        font(-1,-1,5);//障礙物 
      break;
    }
    cout<<board[2*i]<<board[2*i+1];
  }
  font(-1,-1,0);
}

void show_num(int a)
{
    cout<<endl<<endl;
    if(a==1)
    {
      cout<<"                                     111111"<<endl;
      cout<<"                                   11111111"<<endl;
      cout<<"                                 1111111111"<<endl;
      cout<<"                               111111111111"<<endl;
      cout<<"                             11111111111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                                     111111"<<endl;
      cout<<"                             1111111111111111111111"<<endl;
      cout<<"                             1111111111111111111111"<<endl;
    }
    else if(a==2)
    {
      cout<<"                                   2222222222 "<<endl;
      cout<<"                                 22222222222222"<<endl;
      cout<<"                               222222      222222"<<endl;
      cout<<"                              222222        222222"<<endl;
      cout<<"                             222222          222222"<<endl;
      cout<<"                                             222222"<<endl;
      cout<<"                                             222222"<<endl;
      cout<<"                                            222222"<<endl;
      cout<<"                                           222222"<<endl;
      cout<<"                                          222222"<<endl;
      cout<<"                                         222222"<<endl;
      cout<<"                                        222222"<<endl;
      cout<<"                                       222222"<<endl;
      cout<<"                                      222222"<<endl;
      cout<<"                                     222222"<<endl;
      cout<<"                                   222222"<<endl;
      cout<<"                                 222222"<<endl;
      cout<<"                               222222"<<endl;
      cout<<"                             2222222222222222222222"<<endl;
      cout<<"                             2222222222222222222222 "<<endl;
    }
    else if(a==3)
    {
      cout<<"                                  333333333333"<<endl;
      cout<<"                                3333333333333333"<<endl;
      cout<<"                               333333      333333"<<endl;
      cout<<"                              333333        333333"<<endl;
      cout<<"                             333333          333333"<<endl;
      cout<<"                                             333333"<<endl;
      cout<<"                                             333333"<<endl;
      cout<<"                                            333333"<<endl;
      cout<<"                                          333333"<<endl;
      cout<<"                                      33333333"<<endl;
      cout<<"                                      33333333"<<endl;
      cout<<"                                          333333"<<endl;
      cout<<"                                            333333"<<endl;
      cout<<"                                             333333"<<endl;
      cout<<"                                             333333"<<endl;
      cout<<"                             333333          333333"<<endl;
      cout<<"                              333333        333333"<<endl;
      cout<<"                               333333      333333"<<endl;
      cout<<"                                3333333333333333"<<endl;
      cout<<"                                  333333333333 "<<endl;
    }
    cout<<endl<<endl;
}