Notes

//80*48
#include<fstream.h>
#include<stdlib.h>
#include<process.h>
#include<stdio.h>
#include<time.h>
#include<dos.h>
#include<string.h>
#include<graphics.h>
#include<bios.h>
#include<conio.h>
#include<iomanip.h>

unsigned key;
int len=0,count=0,foodtype=0,d,m,food_flag=0,j=0,i=0,display_count=10,
hscore_pos=0,x_index=0,y_index=0,mx,my,maze=1,speed=100;
long score=0,ti_elap=0,ti_rem=15,tot_ti=15,ti_init;
char *main_menu[]={{"1. Play"},{"2. Options"},{"3. Instruction"},
{"4. Hi-Score"},{"5. Exit"}};
char *game_menu[]={{"1. Mazes"},{"2. Level"},{"3. Back to Main menu"}};
char *maze_menu[]={{"1. Open"},{"2. Box"},{"3. Twisted"},
{"4. Return to Main menu"}};
char *level_menu[]={{"1. Beginner"},{"2. Intermediate"},{"3. Expert"},
{"4. Return to Main menu"}};
char *m_m[]={"P","O","I","H","E"};
char *g_m[]={"M","L","B"};
char *mm[]={"O","B","T","R"};
char *lm[]={"B","I","E","R"};

int maze3_x[][14]={{2,3,4,5,6,7,8,9,10,11,12,13,14,15},
{25},
{30},
{37,38,39,40,41,42,43,44,45,46,47,48,49,50}};
int maze3_y[][14]={{30},
{2,3,4,5,6,7,8,9,10,11,12,13,14,15},
{27,28,29,30,31,32,33,34,35,36,37,38,39,40},
{20}};


void showfood();
void end();
void show_game_menu();
void show_main_menu();

enum{UP=1,RIGHT=2,DOWN=3,LEFT=4}DIRECTION,Pre_Dir;

struct
{
unsigned x:7 ;
unsigned y:7 ;
}coordinate[1000],tail,head,food;

inline void initialise()
{
d=DETECT;
initgraph(&d,&m,"e:tcbgi");
cleardevice();
mx=getmaxx();
my=getmaxy();
}

void RESET()
{
len=count=foodtype=food_flag=i=j=hscore_pos=x_index=y_index=0;
display_count=10,
speed=100;
score=ti_elap=0;ti_rem=tot_ti=15;
head.x=head.y=tail.x=tail.y=food.x=food.y=0;
for(i=0;i<1000;i++)
coordinate[i].x=coordinate[i].y=0;
}

void showoff_food()
{
gotoxy(food.x,food.y);
cout<<" ";
food.x=food.y=0;
showfood();
}


int showfoodtimer(int fo_fl)
{
if(fo_fl==1)
{
if(ti_rem<=0)
{
showoff_food();
ti_rem=15;
food_flag=0;
}
else
{
ti_elap=((biostime(0,0L)-ti_init)/(speed/16));
ti_rem=(tot_ti-(ti_elap));
gotoxy(7,46);
if(ti_rem<10)
cout<<"0"<<ti_rem;
else
cout<<ti_rem;
}
}
else
{
gotoxy(7,46);
cout<<" ";
}
return 0;
}

void showfood()
{
int flag=0;
re:
food.x=random(49)+2;
food.y=random(39)+2;
for(i=0;i<len;i++)
{
if(food.x==coordinate[i].x && food.y==coordinate[i].y)
goto re;
}
if(maze==3)
{
for(i=0;i<4;i++)
{
for(j=0;j<14;j++)
{
if(food.x==maze3_x[i][j])
flag=1;
}
for(j=0;j<14;j++)
{
if(food.y==maze3_y[i][j] && flag==1)
goto re;
}
}
}
gotoxy(food.x,food.y);
textcolor(RED);
cprintf("@");
}

void showbigfood()
{
re1:
food.x=random(49)+2;
food.y=random(39)+2;
for(int j=0;j<len;j++)
{
if(food.x==coordinate[j].x && food.y==coordinate[j].y)
goto re1;
}
textcolor(YELLOW);
gotoxy(food.x,food.y);
cprintf("Ú");
}

void exit()
{
delay(50);
textmode(4);
gotoxy(10,8);
cout<<"Exiting the program";
delay(2000);
exit(0);
}

void border()
{
setcolor(GREEN);
rectangle(2,2,mx-2,my-2);
setcolor(RED);
rectangle(4,4,mx-4,my-4);
setcolor(GREEN);
rectangle(6,6,mx-6,my-6);
settextstyle(4,0,5);
outtextxy(180,40,"SNAKEMAN");
setcolor(YELLOW);
line(165,88,440,88);
setcolor(RED);
line(165,90,440,90);
}


void intro_graphics()
{
clrscr();
initialise();

border();
settextstyle(3,0,3);
setcolor(RED);
outtextxy(130,200,"Programmed By:");
settextstyle(1,0,3);
setcolor(WHITE);
outtextxy(330,200,"Manish Jain");
outtextxy(150,235,"[email protected]");
outtextxy(150,275," +91 9896455735");
settextstyle(1,0,4);
setcolor(RED);
outtextxy(120,360,"Press any key to play");

getch();
}

void showtime()
{
char datebuf[9];
char timebuf[9];

_strdate(datebuf);
_strtime(timebuf);
gotoxy(30,45);
cout<<" DATE TIME";
gotoxy(30,46);
cout<<datebuf<<" "<<timebuf;
}

inline void showscore()
{
gotoxy(15,45);
cout<<"SCORE";
gotoxy(16,46);
cout<<score;
}

char *return_maze()
{
switch(maze)
{
case 1: return ("OPEN");
case 2: return ("BOX");
case 3: return ("TWISTED");
}
return "OPEN";
}

void init()
{
DIRECTION=Pre_Dir=RIGHT;

gotoxy(60,30);
cout<<"M A Z E";
gotoxy(60,32);
cout<<return_maze();
gotoxy(5,45);
cout<<"Timer";

randomize();
_setcursortype(_NOCURSOR);
showtime();
showscore();

tail.x=10;
tail.y=10;
for(int i=10;i<15;i++)
{
coordinate[len].x=i;
coordinate[len].y=10;
gotoxy(coordinate[len].x,coordinate[len].y);
cout<<char(223);
len++;
}
head.x=14;
head.y=10;

textcolor(BLUE);
for(i=1;i<=50;i++)
{
j=1;
gotoxy(i,j);
cprintf("");
gotoxy(i,j+40);
cprintf("");
}
for(i=1;i<=41;i++)
{
j=1;
gotoxy(j,i);
cprintf("");
gotoxy(j+50,i);
cprintf("");
}

showfood();
}

void show_snake(int DIRECTION)
{
gotoxy(head.x,head.y);
textcolor(GREEN);

switch(DIRECTION)
{
case UP :
if(Pre_Dir==LEFT)
cprintf("¦");
else
cprintf("Ì");
break;
case RIGHT:
if(Pre_Dir==DOWN)
cprintf("_");
else
cprintf("¯");
break;
case DOWN :
if(Pre_Dir==RIGHT)
cprintf("Ì");
else
cprintf("¦");
break;
case LEFT :
if(Pre_Dir==UP)
cprintf("¯");
else
cprintf("_");
break;
}
}

inline void showoff()
{
gotoxy(tail.x,tail.y);
cout<<" ";
}

inline void SOUND()
{
sound(1500);
delay(55);
nosound();
}

void gameover()
{
sound(1220);
delay(500);
nosound();

initialise();
border();
settextstyle(1,0,5);
setcolor(RED);
outtextxy(130,180,"GAME OVER");

settextstyle(1,0,5);
setcolor(BLUE);
outtextxy(140,250,"SCORE");

gotoxy(48,16);
char *s;
ltoa(score,s,10);
outtextxy(325,250,s);

settextstyle(4,0,5);
setcolor(WHITE);
outtextxy(65,350,"Wish to continue:(Y/N):");
char ch=getche();

if(ch=='y'||ch=='Y')
{
outtextxy(510,350,"Y");
getch();
RESET();
initialise();
show_main_menu();
}
else if(ch=='n'||ch=='N')
{
outtextxy(510,350,"N");
free(maze_menu);
free(main_menu);
free(level_menu);
free(game_menu);
free(m_m);
free(mm);
free(lm);
free(g_m);
exit();
}
}


void loadmaze()
{
if(maze==3)
{
textcolor(WHITE);
for(i=1;i<15;i++)
{
gotoxy(i+1,30);
cprintf("¦");
gotoxy(25,i+1);
cprintf("¦");
gotoxy(36+i,20);
cprintf("¦");
gotoxy(30,26+i);
cprintf("¦");
}
}
}

void game()
{
init();
loadmaze();
sleep(2);
while(1)
{
if(bioskey(1))
{
key=bioskey(0);
int s=key>>8;
if(s==1)
exit();
else
if(s==72) //If UP arrow key is pressed
{
if(DIRECTION==4 || DIRECTION==2)
{
Pre_Dir=DIRECTION;
DIRECTION=UP;
}
}
else if(s==80) //If DOWN arrow key is pressed
{
if(DIRECTION==4 || DIRECTION==2)
{
Pre_Dir=DIRECTION;
DIRECTION=DOWN;
}
}
else if(s==77) ////If RIGHT arrow key is pressed
{
if(DIRECTION==1 || DIRECTION==3)
{
Pre_Dir=DIRECTION;
DIRECTION=RIGHT;
}
}
else if(s==75) ////If LEFT arrow key is pressed
{
if(DIRECTION==1 || DIRECTION==3)
{
Pre_Dir=DIRECTION;
DIRECTION=LEFT;
}
}
}

if(DIRECTION==2) //Right Key
head.x++;
else if(DIRECTION==1) //Up Key
head.y--;
else if(DIRECTION==4) //Left Key
head.x--;
else if(DIRECTION==3) //Down Key
head.y++;

if(maze==1) //OPEN maze
{
if(head.x>50)
head.x=2;
else if(head.x<=1)
head.x=50;
if(tail.x>50)
tail.x=2;
else if(tail.x<=1)
tail.x=50;
if(head.y>40)
head.y=2;
else if(head.y<=1)
head.y=40;
if(tail.y>40)
tail.y=2;
else if(tail.y<=1)
tail.y=40;
}

else if(maze==2) //BOX Maze
{
if(head.x>50 ||head.y>40 ||head.x<2 ||head.y<2)
gameover();
}
else if(maze==3) //TWISTED or SPIRAL Maze
{
for(i=2;i<16;i++)
{
if((head.x==25 && head.y==i)||(head.x==i && head.y==30)
||(head.x==35+i && head.y==20)||(head.x==30 && head.y==25+i))
{
gameover();
}
}
if(head.x>50)
head.x=2;
else if(head.x<=1)
head.x=50;
if(tail.x>50)
tail.x=2;
else if(tail.x<=1)
tail.x=50;
if(head.y>40)
head.y=2;
else if(head.y<=1)
head.y=40;
if(tail.y>40)
tail.y=2;
else if(tail.y<=1)
tail.y=40;
}


for(int i=0;i<len;i++)
{
if(head.x==coordinate[i].x && head.y==coordinate[i].y)
{
gameover();
}
}

show_snake(DIRECTION);

if(head.x==food.x && head.y==food.y)
{
count++;
if(ti_rem>5)
score+=(foodtype*8)+2+(foodtype*((ti_rem*3)/2));
else
score+=(foodtype*8)+2;

ti_rem=15;
SOUND();
food.x=food.y=0;

if(count==5)
{
showbigfood();
food_flag=1;
ti_init=biostime(0,0);
showfoodtimer(1);
foodtype=1;
count=0;
}
else
{
showfood();
food_flag=0;
foodtype=0;
}
len++;
}
else
{
tail.x=coordinate[0].x;
tail.y=coordinate[0].y;

showoff();

for(int k=0;k<len-1;k++)
{
coordinate[k].x=coordinate[k+1].x;
coordinate[k].y=coordinate[k+1].y;
}
}

coordinate[len-1].x=head.x;
coordinate[len-1].y=head.y;

delay(speed);
showtime();
showscore();
showfoodtimer(food_flag);

gotoxy(64,14);
cout<<"X-Cor Y-Cor";

gotoxy(65,15);
cout<<head.x<<" "<<head.y;
}
}

void get_level_choice()
{
get:
int cho=bioskey(0);
cho=cho>>8;
switch(cho)
{
case 2:
case 48:
case 28:
case 79: speed=125;
show_main_menu();
break;
case 3:
case 23:
case 80: speed=90;
show_main_menu();
break;
case 4:
case 18:
case 81: speed=55;
show_main_menu();
break;
case 5:
case 19:
case 75: show_game_menu();
break;
default: goto get;
}
}

void get_maze_choice()
{
get:
int cho=bioskey(0);
cho=cho>>8;
switch(cho)
{
case 2:
case 28:
case 24:
case 79: maze=1;
show_main_menu();
break;
case 3:
case 48:
case 80: maze=2;
show_main_menu();
break;
case 4:
case 20:
case 81: maze=3;
show_main_menu();
break;
case 5:
case 19:
case 75: show_game_menu();
break;
default: goto get;
}
}

void getlevel()
{
cleardevice();
border();

settextstyle(1,0,5);
setcolor(RED);
outtextxy(50,140,"L E V E L");

settextstyle(3,0,5);
for(i=0;i<4;i++)
{
setcolor(WHITE);
outtextxy(67,190+(45*i),level_menu[i]);
setcolor(RED);
outtextxy(130,190+(45*i),lm[i]);
}
get_level_choice();
}


void getmaze()
{
cleardevice();
border();

settextstyle(1,0,5);
setcolor(RED);
outtextxy(50,140,"M A Z E S");
settextstyle(3,0,5);

for(i=0;i<4;i++)
{
setcolor(WHITE);
outtextxy(67,190+(45*i),maze_menu[i]);
setcolor(RED);
outtextxy(130,190+(45*i),mm[i]);
}
get_maze_choice();
}

void get_gm_choice()
{
get:
int cho=bioskey(0);
cho=cho>>8;
switch(cho)
{
case 2:
case 50:
case 28:
case 79: getmaze();
break;
case 3:
case 38:
case 80: getlevel();
break;
case 4:
case 48:
case 81: show_main_menu();
break;
default: goto get;
}
}

void show_game_menu()
{
cleardevice();
border();
settextstyle(1,0,5);
setcolor(RED);
outtextxy(50,140,"G A M E M E N U");

settextstyle(3,0,5);

for(i=0;i<3;i++)
{
setcolor(WHITE);
outtextxy(67,190+(45*i),game_menu[i]);
setcolor(RED);
outtextxy(130,190+(45*i),g_m[i]);
}
get_gm_choice();
}

void play()
{
cleardevice();
restorecrtmode();
textmode(64);
game();
}

void options()
{
show_game_menu();
}

void instruction()
{
cleardevice();
border();
setcolor(RED);
settextstyle(1,0,5);
outtextxy(50,140,"I N S T R U C T I O N S");
settextstyle(3,0,3);
setcolor(WHITE);
outtextxy(60,190,"1. Move the snake using Arrow Keys -> ");
outtextxy(60,230," UP, DOWN, LEFT, RIGHT");
outtextxy(60,270,"2. Eat food (@,Ú) and make snake grow longer.");
outtextxy(60,300,"3. You will get 2 points for (@) and");
outtextxy(60,330," more points for Bonus food(Ú)");
outtextxy(60,365,"4. Don't let it hit the walls or its tail");
settextstyle(4,0,4);
setcolor(RED);
outtextxy(140,425,"Press any key to Continue");
getch();
show_main_menu();
}

void hiscore()
{
cleardevice();
border();
setcolor(RED);
settextstyle(1,0,5);
outtextxy(50,140," H I S C O R E");
settextstyle(3,0,3);
setcolor(WHITE);
outtextxy(60,220,"Sorry! This feature is not available in this version
");
outtextxy(60,270,"For further details, Contact : ");
setcolor(GREEN);
outtextxy(60,310," [email protected]");
outtextxy(60,345," Mobile no.: +91 9896455735 ");
settextstyle(4,0,4);
setcolor(RED);
outtextxy(140,425,"Press any key to Continue");
getch();
show_main_menu();
}


void get_mm_choice()
{
get:
int cho=bioskey(0);
cho=cho>>8;
switch(cho)
{
case 2:
case 25:
case 28:
case 79: play();
break;

case 3:
case 24:
case 80: options();
break;

case 4:
case 23:
case 81: instruction();
break;

case 5:
case 35:
case 75: hiscore();
break;

case 6:
case 18:
case 76: exit();
break;
default: goto get;
}
}

void show_main_menu()
{
cleardevice();
border();
settextstyle(1,0,5);
setcolor(GREEN);
outtextxy(60,130,"M A I N M E N U");

settextstyle(3,0,5);

for(i=0;i<5;i++)
{
setcolor(WHITE);
outtextxy(67,180+(35*i),main_menu[i]);
setcolor(RED);
outtextxy(130,180+(35*i),m_m[i]);
}

get_mm_choice();
}

void end()
{
initialise();

for(j=0;j<=2;j++)
{
setcolor(RED+j);
circle(mx/2,my/2,150+j*2);
}
settextstyle(4,0,5);
outtextxy(mx/2-65,my/2-20,"The End");
getch();
closegraph();
restorecrtmode();
exit(0);
}

//MAIN FUNCTION
void main()
{
intro_graphics();
show_main_menu();
}