SNAKE WAR - I - Games Source Code in C++

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Home » C++ Home » Games Home » SNAKE WAR - I

A D V E R T I S E M E N T

Title	SNAKE WAR - I
Author	Rakesh Juyal
Author Email	Rakesh_In_Uk [at] Yahoo.com
Description	Play the Game against Computer Snake. Use Shortcuts to beat the Computer.
Category	C++ » Games
Hits	378222
Code	Select and Copy the Code
/* Snake WAR - I / #include <graphics.h> #include <iostream.h> #include <conio.h> #include <dos.h> #include <stdlib.h> #include <stdio.h> //#pragma warn -wrch #define MAX 50 #define UP_ARROW 72 #define DOWN_ARROW 80 #define LEFT_ARROW 75 #define RIGHT_ARROW 77 #define WinMinX 40 #define WinMaxX 600 #define WinMinY 40 #define WinMaxY 440 enum Direction {Forward,Backward,Upward,Downward}; struct Coord { int x , y; }; class Snake; class Point { int x , y , color ; public: Point ( ) { set (); } void set(); void draw( ); int getx() { return x; } int gety() { return y; } friend int point_vanished ( Point &p , Snake &s ); }; class Snake { Coord _Snake; int _CurSize, _color,_MaxSize, _Points; char _player; Direction _Direction; public: Snake ( int size = 20, int color = RED , char player = 'M' ) { _Snake = new Coord [ size ]; _CurSize = 3; if ( player == 'C' ) { _Snake [0].x = WinMaxX - 10; _Direction = Backward; } else { _Snake [0].x = WinMinX + 10; _Direction = Forward; } //_Snake [0].x = WinMinX + 10; _Snake [0].y = WinMinY + 10; _color = color; _MaxSize = size; _player = player; _Points = 0; } void set( int size = 20, int color = RED , char player = 'M' ) { delete _Snake; _Snake = new Coord [ size ]; _CurSize = 3; if ( player == 'C' ) { _Direction = Backward; _Snake [0].x = WinMaxX - 10; } else { _Snake [0].x = WinMinX + 10; _Direction = Forward; } _Snake [0].x = WinMinX + 10; //_Snake [0].y = WinMinY + 10; _color = color; _MaxSize = size; _player = player; _Points = 0; } void change_direction ( Direction d); void increment (); void inc_disp (); void shift_all (); void display ( int color = BLACK ); void com_play ( Point p1 ); friend int point_vanished ( Point &p , Snake &s ); }; //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> void Sound ( int s ); void Message_Display ( char msg[30] , char color ); void show_Header(); void signature(); int menu (); void drawMenu ( int selected , int defCol , int selCol ); void show_About(); void show_HowTOPlay(); void show_New(); void Play(); //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> int main() { int g = DETECT , d; initgraph ( &g , &d , "d:\tc\bgi" ); int selected_option; Start: selected_option = menu(); switch ( selected_option ) { case 1: Play(); goto Start; case 2: show_HowTOPlay(); goto Start; case 3: show_New(); goto Start; case 4: show_About(); goto Start; case 5: return 1; } return 1; } /************************************** ************************************/ /************************************ ************************************/ void Snake :: increment ( ) { //int i; shift_all(); if ( _Direction == Forward ) { if ( _Snake[0].x >= WinMaxX ) { _Snake[0].x = WinMinX ; } else _Snake[0].x = _Snake[0].x + 10; } else if ( _Direction == Backward ) { if ( _Snake[0].x <= WinMinX ) { _Snake[0].x = WinMaxX ; } else _Snake[0].x = _Snake[0].x - 10; } else if ( _Direction == Upward ) { if ( _Snake[0].y <= WinMinY ) { _Snake[0].y = WinMaxY ; } else _Snake[0].y = _Snake[0].y - 10; } else if ( _Direction == Downward ) { if ( _Snake[0].y >= WinMaxY ) { _Snake[0].y = WinMinY ; } else _Snake[0].y = _Snake[0].y + 10; } } /************************************ ************************************/ void Snake :: shift_all () { int i; for ( i = _CurSize -1 ; i > 0; i-- ) { _Snake[i].x = _Snake[i-1].x; _Snake[i].y = _Snake[i-1].y; } } void Snake :: inc_disp () { display ( BLACK ); increment(); display ( _color ); } /************************************ *************************************/ void Snake :: display ( int color) { setfillstyle ( 1, color ); if ( color == 0 ) { setcolor ( 0 ); bar ( _Snake[_CurSize - 1].x - 5 , _Snake[_CurSize - 1].y - 5 , _Snake[_CurSize - 1].x + 5 , _Snake[_CurSize - 1].y + 5 ); rectangle ( _Snake[_CurSize - 1].x - 5 , _Snake[_CurSize - 1].y - 5 ,_Snake[_CurSize - 1].x + 5 , _Snake[_CurSize - 1].y + 5 ); //return ; } else { setcolor ( WHITE ); for ( int i = 0; i< _CurSize; i++ ) { bar ( _Snake[i].x - 5 , _Snake[i].y - 5 , _Snake[i].x + 5 , _Snake[i].y + 5 ); rectangle ( _Snake[i].x - 5 , _Snake[i].y - 5 , _Snake[i].x + 5 , _Snake[i].y + 5 ); } / //int i = 0; bar ( _Snake[i].x - 5 , _Snake[i].y - 5 , _Snake[i].x + 5 , _Snake[i].y+ 5 ); rectangle ( _Snake[i].x - 5 , _Snake[i].y - 5 , _Snake[i].x + 5 ,_Snake[i].y ); / setfillstyle ( 1 , 0 ); fillellipse ( _Snake[0].x , _Snake[0].y , 2 , 2); char msg[50]; setcolor ( WHITE ); if ( _player == 'C' ) { bar ( 250 , 12 , 630 , WinMinY - 10 ); sprintf ( msg , "Com Snake at :- ( %d , %d ) Score:- %d", _Snake[0].x, _Snake[0].y , _Points ); outtextxy ( 250 , 12 , msg ); } else { bar ( 250 , 1 , 630 , WinMinY - 10 ); sprintf ( msg , "Ur Snake at :- ( %d , %d ) Score:- %d", _Snake[0].x, _Snake[0].y , _Points ); outtextxy ( 250 , 1 , msg ); } } } /************************************* ************************************/ void Snake :: change_direction ( Direction d) { if ( ( _Direction == Forward ) && ( d == Backward ) ) { Sound ( -1 ); } else if ( ( _Direction == Backward ) && ( d == Forward ) ) { Sound ( -1 ); } else if ( ( _Direction == Upward ) && ( d == Downward ) ) { Sound ( -1 ); } else if ( ( _Direction == Downward ) && ( d == Upward ) ) { Sound ( -1 ); } else { _Direction = d; Sound ( 1 ); } } /************** /***************/ void Point :: draw ( ) { char msg[30]; setfillstyle ( 1 , color ); setcolor ( YELLOW ); bar ( x - 4 , y - 4 , x + 4 , y + 4 ); rectangle ( x - 4 , y - 4 , x + 4 , y + 4 ); setfillstyle ( 1 , 0 ); fillellipse ( x , y , 2 , 2 ); bar ( 1 , 1 , 300 , WinMinY - 10 ); sprintf ( msg , "Point at :- ( %d , %d )", x , y ); outtextxy ( 40 , 1 , msg ); } void Point :: set ( ) { color = random ( 15 ) + 1; x = random ( ( ( WinMaxX - WinMinX ) / 10 ) ) ; y = random ( ( ( WinMaxY - WinMinY ) / 10 ) ) ; x = ( x 10 ) + WinMinX; y = ( y * 10 ) + WinMinY; draw ( ); } int point_vanished ( Point &p , Snake &s ) { if ( ( s._Snake[0].x == p.x ) && ( s._Snake[0].y == p.y ) ) { s._CurSize++; if ( s._CurSize == s._MaxSize ) { return 2; } s.increment (); s.display ( RED ); Sound ( 2 ); delay ( 100 ); s._Points = s._Points + 20 ; p.set(); return 1; } else { return -1; } } void Sound ( int s ) { if ( s == -1 ) { sound ( 150 ); delay ( 30 ); sound ( 250 ); delay ( 30 ); nosound (); } else if ( s == 1 ) { sound ( 450 ); delay ( 20 ); nosound (); } else if ( s == 2 ) { sound ( 650 ); delay ( 20 ); nosound (); } } void Snake :: com_play ( Point p1 ) { if ( p1.getx() < _Snake[0].x ) { if ( _Direction == Forward ) _Direction = p1.gety() < _Snake[0].y ? Upward : Downward; else _Direction = Backward; } else if ( p1.getx() > _Snake[0].x ) { if ( _Direction == Backward ) _Direction = p1.gety() < _Snake[0].y ? Upward : Downward; else _Direction = Forward; } else { if ( p1.gety() < _Snake[0].y ) { _Direction = Upward; } else if ( p1.gety() > _Snake[0].y ) { _Direction = Downward; } } } void Message_Display ( char msg[30] , char color ) { settextstyle ( 1 , 0 , 5 ); setcolor ( 8 ); outtextxy ( 195 , 205 , msg); settextstyle ( 1 , 0 , 5 ); setcolor ( color ); outtextxy ( 200 , 200 , msg); delay ( 1000 ); } int menu () { int ch; int selected = 1; int TotalOptions = 5; cleardevice(); setbkcolor ( BLUE ); show_Header(); signature(); drawMenu ( selected , RED , GREEN ); do { ch = getch(); if ( ch == DOWN_ARROW ) { selected = selected >= TotalOptions ? 1 : selected + 1; drawMenu ( selected , RED , GREEN ); } else if ( ch == UP_ARROW ) { selected = selected < 2 ? TotalOptions : selected - 1; drawMenu ( selected , RED , GREEN ); } }while ( ch != ' ' ); return selected; } void drawMenu ( int selected , int defCol , int selCol ) { int x = 250; int y = 100; int width = 150; int height = 30; int i; int TotalOptions = 5; char menu_option[5][14]= { " PLAY ", " HOW TO PLAY ", " WHAT'S NEW ", " ABOUT ME ", " EXIT " }; setcolor ( WHITE ); for ( i = 1; i <= TotalOptions; i++ ) { if ( i == selected ) setfillstyle ( 1 , selCol ); else setfillstyle ( 1 , defCol ); bar ( x , y , x + width , y + height ); rectangle ( x , y , x + width , y + height ); outtextxy ( x + 20 , y + 10 , menu_option[i - 1] ); y = y + height + 30; } } void show_About() { cleardevice(); setbkcolor ( BLACK ); show_Header(); setcolor ( WHITE ); settextstyle ( 0 , 0 , 0 ); outtextxy ( 276 , 100 , "Programmer:" ); outtextxy ( 304 , 150 , "Date:" ); outtextxy ( 302 , 200 , "Email:" ); outtextxy ( 268 , 265 , "Dedicated To:" ); outtextxy ( 280 , 315 , "Thanks To:" ); setcolor ( LIGHTGREEN ); outtextxy ( 272 , 115 , "Rakesh Juyal" ); outtextxy ( 256 , 165 , "January, 29 2005" ); outtextxy ( 232 , 215 , "Rakesh_In_Uk@Yahoo.com" ); outtextxy ( 244 , 230 , "rakesh@mindless.com" ); outtextxy ( 292 , 280 , "You All" ); outtextxy ( 192 , 330 , "My Dad, who gifted me computer." ); signature(); getch(); } void show_HowTOPlay() { cleardevice(); setbkcolor ( BLACK ); show_Header(); settextstyle ( 0 , 0 , 0 ); setcolor ( WHITE ); outtextxy ( 20 , 100 , "Objective:" ); outtextxy ( 20 , 150 , "Playing:" ); outtextxy ( 20 , 220 , "Tip:" ); setcolor ( LIGHTGREEN ); outtextxy ( 120 , 120 , "To collect 50 boxes before the computer Snake." ); outtextxy ( 120 , 170 , "1. Use arrow keys to control your Snake." ); outtextxy ( 120 , 180 , "2. To collect the box just come near to the BOX." ); outtextxy ( 120 , 190 , "3. Press <ESC> to QUIT any time." ); outtextxy ( 120 , 240 , "1. Use shortcuts to collect the BOX. [ Computer Snake never " ); outtextxy ( 120 , 250 , " uses shortcut]" ); outtextxy ( 120 , 260 , "2. Computer Snake can't Hurt you, so enjoy moving around." ); signature(); getch(); } void signature() { setcolor ( BROWN ); settextstyle ( 0 , 0 , 0 ); outtextxy ( 350 , 400 , " Programmer: " ); outtextxy ( 350 , 410 , " mailto: " ); outtextxy ( 350 , 420 , " mailto: " ); setcolor ( YELLOW ); outtextxy ( 450 , 400 , " Rakesh Juyal " ); outtextxy ( 450 , 410 , " Rakesh_In_Uk@Yahoo.com " ); outtextxy ( 450 , 420 , " rakesh@mindless.com " ); setcolor ( 12 ); outtextxy ( 450 , 410 , " @Yahoo.com " ); outtextxy ( 450 , 420 , " @mindless.com " ); } void show_Header() { setcolor ( RED ); settextstyle ( 1 , 0 , 4 ); outtextxy ( 193 , 27 , " SNAKE WAR - I " ); setcolor ( YELLOW ); outtextxy ( 195 , 25 , " SNAKE WAR - I " ); } void show_New() { cleardevice(); setbkcolor ( BLACK ); show_Header(); settextstyle ( 0 , 0 , 0 ); setcolor ( WHITE ); outtextxy ( 20 , 100 , "What's new" ); outtextxy ( 20 , 150 , "What's next" ); outtextxy ( 20 , 260 , "When to expect next version" ); outtextxy ( 20 , 320 , "Comments, Bugs and Suggestions" ); setcolor ( LIGHTGREEN ); outtextxy ( 70 , 120 , "Nothing, cos it's the first version. :-)" ); outtextxy ( 70 , 170 , "In next version of this Game:- " ); outtextxy ( 90 , 180 , " > One or more player will be able to play." outtextxy ( 90 , 190 , " > You'll be able to select Zero or more computer players." ); outtextxy ( 90 , 200 , " > You'll be able to PAUSE the Game any time." ); outtextxy ( 90 , 210 , " > You'll be able to select the color of each snake." ); outtextxy ( 90 , 220 , " > Keys will be customizable." ); outtextxy ( 90 , 230 , " > Snakes will be able to Hurt each other." ); outtextxy ( 70 , 280 , "Don't worry, i'll mail the code of next version too. [ Very Soon ]" ); outtextxy ( 70 , 340 , "For any suggestion or comment or Bug report feel free to mail me." ); outtextxy ( 70 , 350 , "There may be Bugs too in this game, so please let me know them." ); signature(); getch(); } void Play() { Snake s1 ( MAX , GREEN , 'M' ); Snake s2 ( MAX , MAGENTA , 'C' ); char ch , KeyPressed = 0; cleardevice(); randomize (); rectangle ( WinMinX - 7, WinMinY - 7, WinMaxX + 7 , WinMaxY + 7 ); Point p1; setbkcolor ( BLUE ); s1.inc_disp(); s2.inc_disp(); setcolor ( YELLOW ); outtextxy ( 10 , 450 , "> Collect 50 Boxes to WIN. > Use shortcuts to WIN."); setcolor ( CYAN ); outtextxy ( 10 , 460 , "> Use <ESC> to QUIT anytime. > LEFT , RIGHT , UP , DOWN Arrow Keys to Play. "); getch(); KeyPressed = 1; ch = 'R'; while ( 1 ) { while ( !kbhit() ) { s1.inc_disp(); if ( point_vanished ( p1 , s1 ) == 2 ) { Message_Display ( "YOU WIN " , GREEN ); ch=0x1b; getch(); break; } s2.com_play ( p1 ); s2.inc_disp(); if ( point_vanished ( p1 , s2 ) == 2 ) { Message_Display ( "YOU LOSE " , GREEN ); ch=0x1b; getch(); break; } delay ( 100 ); if ( KeyPressed == 1 )KeyPressed = 0; } if ( ch == 0x1b ) break; ch = getch(); if ( KeyPressed == 1 ) { KeyPressed = 0; continue; } if ( ch == 0x1b ) break; else if ( ch == 0 ) { ch = getch (); if ( ch == UP_ARROW ) { s1.change_direction ( Upward ); KeyPressed = 1; } else if ( ch == DOWN_ARROW ) { s1.change_direction ( Downward ); KeyPressed = 1; } else if ( ch == LEFT_ARROW ) { s1.change_direction ( Backward ); KeyPressed = 1; } else if ( ch == RIGHT_ARROW ) { s1.change_direction ( Forward ); KeyPressed = 1; } } } }

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