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Home » C++ Home » Beginners / Lab Assignments Home » Games

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Title	Games
Author	Sandeep Bhutani
Author Email	sandeepbhutani304 [at] rediff.com
Description	L- Change Level Esc- Exit Game It is a game developed during my exams as I could not play easily on my mobile.
Category	C++ » Beginners / Lab Assignments
Hits	369497
Code	Select and Copy the Code
#include "stdio.h" #include "conio.h" #include "dos.h" #include "stdlib.h" #define LEFT 75 #define RIGHT 77 #define UP 72 #define DOWN 80 //Maze variables #define MAZEHEIGHT 20 #define MAZEWIDTH 60 #define BONUSPOINTS 491 const int leftMargin=2,topMargin=3; //Globals int level=90; unsigned long points=0; int ratPresent=0,bonusPresent=0; const unsigned char far* vduPointer=(unsigned char far)0xB8000000L; enum Directions {left,right,up,down}; enum FillerType { Null=0,snakes,wall,rat,bonus,eatenRat,snakesTail,snakesFace}; //Customizable variables unsigned char snakeChar='?'; //'X'; unsigned char snakeFaceChar='O'; unsigned char snakeTailChar=''; const unsigned char ratChar='�'; //'R' const unsigned char bonusChar='�'; //'B' const unsigned char eatenRatChar='?'; class MazePixel; class MazePixel { int x,y; public: int actualx,actualy; Directions direction; FillerType filledWith; MazePixel next,previous; void setx(int _x) { //Check boundaries if(_x<0) _x=MAZEWIDTH-1; if(_x>=MAZEWIDTH) _x=0; x=_x; actualx=x+leftMargin+1; } void sety(int _y) { //Check boundaries if(_y<0) _y=MAZEHEIGHT-1; if(_y>=MAZEHEIGHT) _y=0; y=_y; actualy=y+topMargin+1; } int getx(){ return(x%MAZEWIDTH); } //Check boundaries int gety(){ return(y%MAZEWIDTH); } //Check boundaries MazePixel operator = (MazePixel o) { direction=o.direction; filledWith=o.filledWith; next=o.next; previous=o.previous; return(o); } void nullify() { x=y=direction=0; filledWith=Null; next=previous=(MazePixel)0; } /MazePixel move(int stpes) { struct text_info ti; gettextinfo(&ti); int orgCh=(int)(vduPointer+(actualx-1)2+(actualy-1)ti.screenwidth2); switch(direction) { case left: setx(getx()-1); gotoxy(actualx,actualy); printf("%c",orgCh); break; case right: break; case up: break; case down: break; } return(this); }/ }; class Maze { public: MazePixel pixels[(MAZEHEIGHT)(MAZEWIDTH)]; Maze() { int i; for(i=0;i<(MAZEHEIGHT)(MAZEWIDTH);i++) { pixels[i].nullify(); pixels[i].setx(i%MAZEWIDTH); pixels[i].sety(i/MAZEWIDTH); pixels[i].filledWith=Null; } draw(); } MazePixel getPixel(int _x,int _y) { if(_x<0) _x=MAZEWIDTH-1; if(_x>=MAZEWIDTH) _x=0; if(_y<0) _y=MAZEHEIGHT-1; if(_y>=MAZEHEIGHT) _y=0; return(&pixels[(_x)%MAZEWIDTH+(_y)MAZEWIDTH]); } void draw() { int i; gotoxy(leftMargin,topMargin); printf("?"); gotoxy(leftMargin,topMargin+MAZEHEIGHT+1); printf("?"); gotoxy(leftMargin+MAZEWIDTH+1,topMargin); printf("?"); gotoxy(leftMargin+MAZEWIDTH+1,topMargin+MAZEHEIGHT+1); printf("?"); gotoxy(leftMargin+1,topMargin); for(i=leftMargin+1;i<leftMargin+MAZEWIDTH+1;i++) printf("?"); for(i=topMargin+1;i<topMargin+MAZEHEIGHT+1;i++) { gotoxy(leftMargin,i); printf("?"); } for(i=topMargin+1;i<topMargin+MAZEHEIGHT+1;i++) { gotoxy(leftMargin+MAZEWIDTH+1,i); printf("?"); } gotoxy(leftMargin+1,topMargin+MAZEHEIGHT+1); for(i=leftMargin+1;i<leftMargin+MAZEWIDTH+1;i++) printf("?"); for(i=0;i<MAZEWIDTHMAZEHEIGHT;i++) { switch(pixels[i].filledWith) { case snakes: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",snakeChar); break; case snakesFace: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",snakeFaceChar); break; case snakesTail: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",snakeTailChar); break; case Null: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",' '); break; case wall: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",'?'); break; case rat: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",ratChar); break; case bonus: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",bonusChar); break; case eatenRat: gotoxy(pixels[i].actualx,pixels[i].actualy); printf("%c",eatenRatChar); break; }//end switch } }//end for }; Maze maze; class Snake { Directions direction; MazePixel facePixel,tailPixel,bodyPixels; public: int length,points; Snake(int _length=5,int startx=MAZEWIDTH-5,int starty=0) { points=0; direction=left; length=_length; startx=MAZEWIDTH-_length; facePixel.setx(startx); facePixel.sety(starty); facePixel.filledWith=snakesFace; facePixel.direction=direction; maze.getPixel(startx,starty)=facePixel; tailPixel.setx(length+startx-1); tailPixel.sety(starty); tailPixel.filledWith=snakesTail; tailPixel.direction=direction; maze.getPixel(length+startx-1,starty)=tailPixel; MazePixel prev; bodyPixels=maze.getPixel(1+startx,starty); bodyPixels->previous=&facePixel; for(int i=1;i<=length-2;i++) { prev=bodyPixels; bodyPixels->filledWith=snakes; bodyPixels->direction=direction; bodyPixels=maze.getPixel(i+1+startx,starty); bodyPixels->previous=prev; prev->next=bodyPixels; } bodyPixels->next=&tailPixel; tailPixel.previous=bodyPixels; tailPixel.next=facePixel.previous=NULL; bodyPixels=maze.getPixel(1+startx,starty); facePixel.next=bodyPixels; draw(); } void draw() { MazePixel body; gotoxy(facePixel.actualx,facePixel.actualy); printf("%c",snakeFaceChar); body=bodyPixels; body.setx(bodyPixels->getx()); body.sety(bodyPixels->gety()); for(int i=1;i<=length-2;i++) { gotoxy(body.actualx,body.actualy); printf("%c",snakeChar); //if(body.filledWith!=snakesTail) body.setx(body.next->getx()); body.sety(body.next->gety()); body=body.next; //else break; } gotoxy(tailPixel.actualx,tailPixel.actualy); printf("%c",snakeTailChar); } Directions turn(int key) { switch(key) { case LEFT: if(direction!=right) direction=left; break; case RIGHT: if(direction!=left) direction=right; break; case UP: if(direction!=down) direction=up; break; case DOWN: if(direction!=up) direction=down; break; } return(direction); } int move(int steps=1) { int i; MazePixel prev,current; //Cleaning old Snake volatile Directions nextPixelDirection,bodyDirection; if(direction!=facePixel.direction) facePixel.direction=direction; switch(facePixel.direction) { case left: current=maze.getPixel(facePixel.getx()-1,facePixel.gety()); break; case right: current=maze.getPixel(facePixel.getx()+1,facePixel.gety());; break; case up: current=maze.getPixel(facePixel.getx(),facePixel.gety()-1); break; case down: current=maze.getPixel(facePixel.getx(),facePixel.gety()+1); break; } unsigned char t,oldt; if(current->filledWith==rat) { oldt=snakeFaceChar; t=(unsigned char)&snakeFaceChar; t=1; snakeFaceChar=1; points++; ::points=(unsigned long)(level+1)points; ratPresent=0; length++; current->filledWith=Null; //Convert face to body & generate new face draw(); maze.getPixel(facePixel.getx(),facePixel.gety())=bodyPixels; maze.getPixel(facePixel.getx(),facePixel.gety())->next=bodyPixels; bodyPixels=maze.getPixel(facePixel.getx(),facePixel.gety()); bodyPixels->previous=&facePixel; current=facePixel; facePixel.setx(current->getx()); facePixel.sety(current->gety()); facePixel.next=bodyPixels; facePixel.previous=NULL; bodyPixels->direction=facePixel.direction; / current=bodyPixels; current->next=bodyPixels; bodyPixels->previous=current; bodyPixels=current; //face generation: facePixel.previous=NULL; facePixel.next=current; switch(facePixel.direction) { case left: facePixel.setx(current->getx()-1); maze.getPixel(current->getx()-1,current->gety())=facePixel; break; case right: facePixel.setx(current->getx()+1); maze.getPixel(current->getx()+1,current->gety())=facePixel; break; case up: facePixel.sety(current->gety()-1); maze.getPixel(current->getx(),current->gety()-1)=facePixel; break; case down: facePixel.sety(current->gety()+1); maze.getPixel(current->getx(),current->gety()+1)=facePixel; break; } current->previous=&facePixel;/ draw(); t=oldt; snakeFaceChar=oldt; } if(current->filledWith==bonus) { points+=BONUSPOINTS; bonusPresent=0; current->filledWith=Null; } switch(facePixel.direction) { case left: current=maze.getPixel(facePixel.getx()-1,facePixel.gety()); if(current->filledWith==snakes \|\| current->filledWith==snakesFace \|\| current->filledWith==snakesTail \|\| current->filledWith==eatenRat \|\| current->filledWith==wall) return(0); //snake is dead current=facePixel; current->previous=NULL; maze.getPixel(facePixel.getx(),facePixel.gety())->filledWith=Null; gotoxy(facePixel.actualx,facePixel.actualy); printf(" "); facePixel=current; facePixel.filledWith=snakesFace; facePixel.setx(facePixel.getx()-1); break; case right: current=maze.getPixel(facePixel.getx()+1,facePixel.gety());; if(current->filledWith==snakes \|\| current->filledWith==snakesFace \|\| current->filledWith==snakesTail \|\| current->filledWith==eatenRat \|\| current->filledWith==wall) return(0); //snake is dead current=facePixel; current->previous=NULL; maze.getPixel(facePixel.getx(),facePixel.gety())->filledWith=Null; gotoxy(facePixel.actualx,facePixel.actualy); printf(" "); facePixel=current; facePixel.filledWith=snakesFace; facePixel.setx(facePixel.getx()+1); break; case up: current=maze.getPixel(facePixel.getx(),facePixel.gety()-1); if(current->filledWith==snakes \|\| current->filledWith==snakesFace \|\| current->filledWith==snakesTail \|\| current->filledWith==eatenRat \|\| current->filledWith==wall) return(0); //snake is dead current=facePixel; current->previous=NULL; maze.getPixel(facePixel.getx(),facePixel.gety())->filledWith=Null; gotoxy(facePixel.actualx,facePixel.actualy); printf(" "); facePixel=current; facePixel.filledWith=snakesFace; facePixel.sety(facePixel.gety()-1); break; case down: current=maze.getPixel(facePixel.getx(),facePixel.gety()+1); if(current->filledWith==snakes \|\| current->filledWith==snakesFace \|\| current->filledWith==snakesTail \|\| current->filledWith==eatenRat \|\| current->filledWith==wall) return(0); //snake is dead current=facePixel; current->previous=NULL; maze.getPixel(facePixel.getx(),facePixel.gety())->filledWith=Null; gotoxy(facePixel.actualx,facePixel.actualy); printf(" "); facePixel=current; facePixel.filledWith=snakesFace; facePixel.sety(facePixel.gety()+1); break; } prev=&facePixel; nextPixelDirection=facePixel.direction; MazePixel body=bodyPixels;//,pBody=bodyPixels; bodyDirection=bodyPixels->direction; for(i=1;i<=length-2;i++) { switch(body.direction) { case left: current=maze.getPixel(body.getx()-1,body.gety()); break; case right: current=maze.getPixel(body.getx()+1,body.gety()); break; case up: current=maze.getPixel(body.getx(),body.gety()-1); break; case down: current=maze.getPixel(body.getx(),body.gety()+1); break; }//end switch //pBody->direction=nextPixelDirection; //pBody=pBody->next; current=body; //In next pixel put current values current->previous=prev; prev->next=current; prev=current; maze.getPixel(body.getx(),body.gety())->filledWith=Null; //current pixel filled with null gotoxy(body.actualx,body.actualy); printf(" "); //Clean current character body.setx((body.next)->getx()); body.sety((body.next)->gety()); body=(body.next); //nextPixelDirection=body.direction; }//End for prev->next=current; switch(bodyDirection) { case left: bodyPixels=maze.getPixel(bodyPixels->getx()-1,bodyPixels->gety()); break; case right: bodyPixels=maze.getPixel(bodyPixels->getx()+1,bodyPixels->gety()); break; case up: bodyPixels=maze.getPixel(bodyPixels->getx(),bodyPixels->gety()-1); break; case down: bodyPixels=maze.getPixel(bodyPixels->getx(),bodyPixels->gety()+1); break; } //tailPixel.direction=nextPixelDirection; switch(tailPixel.direction) { case left: maze.getPixel(tailPixel.getx()-1,tailPixel.gety())=tailPixel; maze.getPixel(tailPixel.getx()-1,tailPixel.gety())->previous=prev; maze.getPixel(tailPixel.getx()-1,tailPixel.gety())->next=NULL; maze.getPixel(tailPixel.getx(),tailPixel.gety())->filledWith=Null; gotoxy(tailPixel.actualx,tailPixel.actualy); printf(" "); tailPixel=maze.getPixel(tailPixel.getx()-1,tailPixel.gety()); tailPixel.setx(tailPixel.getx()-1); tailPixel.filledWith=snakesTail; break; case right: maze.getPixel(tailPixel.getx()+1,tailPixel.gety())=tailPixel; maze.getPixel(tailPixel.getx()+1,tailPixel.gety())->previous=prev; maze.getPixel(tailPixel.getx()+1,tailPixel.gety())->next=NULL; maze.getPixel(tailPixel.getx(),tailPixel.gety())->filledWith=Null; gotoxy(tailPixel.actualx,tailPixel.actualy); printf(" "); tailPixel=maze.getPixel(tailPixel.getx()+1,tailPixel.gety()); tailPixel.setx(tailPixel.getx()+1); tailPixel.filledWith=snakesTail; break; case up: maze.getPixel(tailPixel.getx(),tailPixel.gety()-1)=tailPixel; maze.getPixel(tailPixel.getx(),tailPixel.gety()-1)->previous=prev; maze.getPixel(tailPixel.getx(),tailPixel.gety()-1)->next=NULL; maze.getPixel(tailPixel.getx(),tailPixel.gety())->filledWith=Null; gotoxy(tailPixel.actualx,tailPixel.actualy); printf(" "); tailPixel=maze.getPixel(tailPixel.getx()-1,tailPixel.gety()); tailPixel.sety(tailPixel.gety()-1); tailPixel.filledWith=snakesTail; break; case down: maze.getPixel(tailPixel.getx(),tailPixel.gety()+1)=tailPixel; maze.getPixel(tailPixel.getx(),tailPixel.gety()+1)->previous=prev; maze.getPixel(tailPixel.getx(),tailPixel.gety()+1)->next=NULL; maze.getPixel(tailPixel.getx(),tailPixel.gety())->filledWith=Null; gotoxy(tailPixel.actualx,tailPixel.actualy); printf(" "); tailPixel=maze.getPixel(tailPixel.getx(),tailPixel.gety()+1); tailPixel.sety(tailPixel.gety()+1); tailPixel.filledWith=snakesTail; break; } //Completing Snake Linked List facePixel.next=bodyPixels; bodyPixels->previous=&facePixel; prev=bodyPixels; for(i=1;i<=length-2-1;i++) prev=prev->next; prev->next=&tailPixel; tailPixel.previous=prev; tailPixel.next=facePixel.previous=NULL; //Drawing new snake MazePixel snk=&facePixel; for(i=0;i<length-1;i++) snk=snk->next; for(i=0;i<length-1;i++) { snk->direction=snk->previous->direction; snk=snk->previous; } draw(); return(1);//Snake is alive yet }//End move() }; int getkey() { int ch=getch(); if(ch==0) { ch=getch(); return(ch); } else return(ch); } int generateRat() { int ratAt; reGenerate: randomize(); ratAt=random(MAZEWIDTHMAZEHEIGHT); // for(int i=0;i<MAZEWIDTHMAZEHEIGHT;i++) { if(maze.pixels[ratAt].filledWith!=Null) goto reGenerate; } maze.pixels[ratAt].filledWith=rat; gotoxy(maze.pixels[ratAt].actualx,maze.pixels[ratAt].actualy); printf("%c",ratChar); ratPresent=1; return(ratAt); } class Bonus { public: int timeOut; int x,y; int pos; int bonusAtPoints; Bonus(int _timeOut=60) { timeOut=_timeOut; bonusAtPoints=0; } void refresh(int _timeOut=60) { timeOut=_timeOut; bonusAtPoints=0; } }; Bonus bonus1; int generateBonus() { int bonusAt; reGenerate: randomize(); bonusAt=random(MAZEWIDTHMAZEHEIGHT); // for(int i=0;i<MAZEWIDTHMAZEHEIGHT;i++) { if(maze.pixels[bonusAt].filledWith!=Null) goto reGenerate; } maze.pixels[bonusAt].filledWith=bonus; bonus1.x=maze.pixels[bonusAt].getx(); bonus1.y=maze.pixels[bonusAt].gety(); gotoxy(maze.pixels[bonusAt].actualx,maze.pixels[bonusAt].actualy); printf("%c",bonusChar); bonusPresent=1; bonus1.pos=bonusAt; bonus1.refresh(); return(bonusAt); } void destroyBonus() { maze.pixels[bonus1.pos].filledWith=Null; gotoxy(maze.pixels[bonus1.pos].actualx,maze.pixels[bonus1.pos].actualy); printf(" "); //bonus1.bonusAtPoints=0; bonusPresent=0; } int main() { clrscr(); _setcursortype(_NOCURSOR); Snake snake(7); maze.draw(); int key='Z'; while(key!=27) { // for(int d=100;d<level100;d+=100) if(kbhit()) key=getkey(); switch(key) { case LEFT: case RIGHT: case UP: case DOWN: snake.turn(key); break; case 'l': case 'L': gotoxy(16,1); printf("Level:"); _setcursortype(_SOLIDCURSOR); scanf("%d",&level); level%=100; _setcursortype(_NOCURSOR); break; case 27: goto ending; } if(!ratPresent) generateRat(); if(((snake.points+1)%7)==0 && !bonusPresent && bonus1.bonusAtPoints!=snake.points && bonus1.bonusAtPoints!=snake.points+BONUSPOINTS) { generateBonus(); bonus1.bonusAtPoints=snake.points; } if(bonusPresent) { if(bonus1.timeOut==0) destroyBonus(); bonus1.timeOut--; } if(!snake.move()) break; delay(1010-level*10); gotoxy(1,1); printf("Points=%.04lu",(unsigned long)points); gotoxy(16,1); printf("Level=%.03d",level); if(bonusPresent) { gotoxy(27,1); printf("BonusTime=%.02d",bonus1.timeOut); } fflush(stdin); key=0; if(snakeFaceChar=='O') snakeFaceChar='�'; else snakeFaceChar='O'; if(snakeTailChar=='/') snakeTailChar='\'; else snakeTailChar='/'; maze.draw(); } ending: _setcursortype(_NORMALCURSOR); printf(" Your Score: %lu",points); return(points); }

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