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Added continue option
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Player can now continue a previously incomplete game
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@chiru9670
chiru9670 authored Mar 10, 2017
1 parent 65b2ae0 commit 394558b
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Showing 5 changed files with 273 additions and 60 deletions.
Binary file added SAVEGAME
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163 changes: 135 additions & 28 deletions SNAKE.BAK
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
SNAKE XENZIA
------------
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This is a basic snake game which is commonly
This is a basic snake game which is commonly
found in old nokia phones. This game has a
snake the player has to move with the arrow
keys. There will be food particles generated
Expand Down Expand Up @@ -37,12 +37,12 @@
#include <dos.h>
#include <stdlib.h>

#define ARR_X 200
#define ARR_Y 200 //dimensions of pos_key matrix
#define ARR_X 100
#define ARR_Y 100 //dimensions of pos_key matrix

char pos_key[ARR_X][ARR_Y]; //matrix corresponding to every position on the screen

void keystroke(); //function which receives and maps keystrokes and decides the corresponding movement
void keystroke(int); //function which receives and maps keystrokes and decides the corresponding movement
void adjustxy(int&, int&); //helps in swapping screen sides when snake reaches one edge of screen
void movehead(int, int); //prints the head of the snake
void movetail(char [ARR_X][ARR_Y]); //replaces the last element of the snake with " "
Expand All @@ -55,7 +55,8 @@ void screen(); //sets all screen parameters at the beginning of the program
void frame(); //prints the borders of the screen
int pause(); //manages pause option
int select(int , int , int [], int); //helps in option selection in the game menus with arrow keys
void highscore(int);
void highscore(int); //to print and modify highscores
void continuegame(int, char &);

int MAX_X; //maximum horizontal coordinate of screen
int MIN_X; //minimum horizontal coordinate of screen
Expand All @@ -73,6 +74,7 @@ int x2, y2; //food coordinates
int snaklen; //records length of the snake(to show score at end)
int frame_width = 150; //sets default game speed
int counter = 0; //records the no. of times the game is played
int savedgamestatus;

void main()
{
Expand All @@ -81,12 +83,13 @@ void main()
{
randomize(); //to seed the random() function in addfood()
screen();
continuegame(2, 'k');
}
///////WELCOME SCREEN//////////
int choice;
char choice2;
flag3:
snaklen = 1;
snaklen = 1;
for(int l = 0; l<ARR_X; ++l)
{
for(int m = 0; m<ARR_Y; ++m)
Expand All @@ -109,28 +112,36 @@ void main()
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2 - 2);
cprintf("********************");
textcolor(WHITE);
if(!savedgamestatus)
{ textcolor(DARKGRAY); }
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2);
cout<<"1. Play";
cprintf("1. Continue");
textcolor(WHITE);
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2 + 1);
cout<<"2. Controls";
cout<<"2. New Game";
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2 + 2);
cout<<"3. Options";
cout<<"3. Controls";
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2 + 3);
cout<<"4. Highscores";
cout<<"4. Options";
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2 + 4);
cout<<"5. Exit";
cout<<"5. Highscores";
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2 + 5);
cout<<"6. Exit";
/////////END OF MAIN MENU/////////
int pos_gap1[12] = {1, 1, 1, 1, 1, -1};
choice = select((MAX_X - MIN_X + 1)/2 - 11, (MAX_Y - MIN_Y + 1)/2, pos_gap1, 5);
int pos_gap1[12] = {1, 1, 1, 1, 1, 1, -1};
choice = select((MAX_X - MIN_X + 1)/2 - 11, (MAX_Y - MIN_Y + 1)/2, pos_gap1, 6);
switch (choice)
{
case 1 :
if(savedgamestatus) keystroke(1);
break;
case 2 :
clrscr(); frame();
x = (MAX_X - MIN_X + 1)/2, y = (MAX_Y - MIN_Y + 1)/2;
addfood();
keystroke();
keystroke(0);
break;
case 2 :
case 3 :
clrscr(); frame();
gotoxy((MAX_X - MIN_X + 1)/2 - 3, (MAX_Y - MIN_Y + 1)/2 - 3);
textcolor(YELLOW);
Expand All @@ -144,7 +155,7 @@ void main()
cout<<"Press any key to return to main menu...";
getch();
goto flag3;
case 3 :
case 4 :
flag4:
clrscr(); frame();
////////OPTIONS MENU////////
Expand Down Expand Up @@ -234,10 +245,10 @@ void main()
}
break;
////////END OF OPTIONS MENU/////////
case 4 :
case 5 :
highscore(0);
break;
case 5 :
case 6 :
clrscr(); frame();
gotoxy((MAX_X - MIN_X + 1)/2 - 15, (MAX_Y - MIN_Y + 1)/2 - 1);
textcolor(LIGHTRED);
Expand All @@ -261,11 +272,15 @@ void main()
/////END OF MAIN/////
}

void keystroke()
void keystroke(int tocontinue)
{
flag:
movehead(x, y); //to show initial direction of the snake
char c0, c = getdir();
char c0, c;
if(tocontinue == 0)
{ c = getdir(); }
else
{ c = 'w'; }
//TO SET INITIAL TAIL COORDINATES//
switch(c)
{
Expand Down Expand Up @@ -298,7 +313,16 @@ void keystroke()
goto flag;
}
pos_key[x1][y1] = c;
//LOOPS TO SET HEAD COORDINATES, MAP THE DIRECTION VALUE OF THE HEAD//
if(tocontinue != 0)
{
continuegame(1, c);
if(pause())
{
continuegame(0, c);
return;
}
}
//LOOPS TO SET HEAD COORDINATES, MAP THE DIRECTION VALUE OF THE HEAD//
//CORRESPONDING TO ITS POSITION AND CALL MOVEHEAD() AND MOVETAIL() //
flag2:
switch(c)
Expand Down Expand Up @@ -358,6 +382,7 @@ void keystroke()
{
if(pause())
{
continuegame(0, c);
return;
}
else
Expand Down Expand Up @@ -518,7 +543,7 @@ int checkdie()
////IF POS_KEY[X][Y] IS ALREADY MAPPED WITH A////
////DIRECTION VALUE WHEN THE HEAD REACHES (X, Y) COORDINATES////
if(pos_key[x][y]=='w' || pos_key[x][y]=='s' ||
pos_key[x][y]=='a' || pos_key[x][y]=='d' )
pos_key[x][y]=='a' || pos_key[x][y]=='d' )
{
return 1;
}
Expand Down Expand Up @@ -716,9 +741,9 @@ void highscore(int s)
{
int difficulty;
int score;
char name[8];
char name[9];
}p_s[9];

////INITIALIZING STRUCTURE TO AVOID GARBAGE VALUES////
for(int i = 0; i<9; ++i)
{
strcpy(p_s[i].name, " ");
Expand All @@ -733,9 +758,10 @@ void highscore(int s)
else if(i>=6 && i<9)
p_s[i].difficulty = 50;
}

////HIGHSCORES WILL BE STORED IN BINARY FILE 'HIGHSCOR'////
ifstream finout;
finout.open("HIGHSCOR", ios::in | ios::nocreate | ios::binary);
////TO CREATE 'HIGHSCOR' FILE IF IT IS NOT PRESENT////
if(finout == 0)
{
ofstream ftemp;
Expand Down Expand Up @@ -771,6 +797,7 @@ void highscore(int s)
}
p_s[line_no].score = s;
}
////////////////////HIGHSCORES PAGE/////////////////////
clrscr(); frame();
gotoxy((MAX_X - MIN_X + 1)/2 - 5, (MAX_Y - MIN_Y + 1)/2 - 7);
textcolor(YELLOW);
Expand Down Expand Up @@ -815,14 +842,16 @@ void highscore(int s)
}
else
{
_setcursortype(_SOLIDCURSOR);
gotoxy((MAX_X - MIN_X + 1)/2 - 10, (MAX_Y - MIN_Y + 1)/2 + 7);
cout<<"Enter your name...";
_setcursortype(_SOLIDCURSOR);
char name[8];
for(int i = 0; p_s[i].difficulty != frame_width; i = i + 3){}
gotoxy((MAX_X - MIN_X + 1)/2 - 7, line_no + (i / 3) + (MAX_Y - MIN_Y + 1)/2 - 5);
cout<<" ";
gotoxy((MAX_X - MIN_X + 1)/2 - 7, line_no + (i / 3) + (MAX_Y - MIN_Y + 1)/2 - 5);
while(kbhit()){ getch(); }
cin.getline(name, 8);
cin.get(name, 9);
cin.ignore(1000, '\n');
strcpy(p_s[line_no].name, " ");
strcpy(p_s[line_no].name, name);
_setcursortype(_NOCURSOR);
Expand All @@ -836,3 +865,81 @@ void highscore(int s)
}

}
void continuegame(int read, char &c)
{
struct game_status
{
int x, y, x1, y1, x2, y2, snaklen, frame_width, MAX_X, MIN_X, MAX_Y, MIN_Y;
char pos_key[ARR_X][ARR_Y], c;
char screen[10000];
int savedgamestatus;
}g_s;
if(read == 0)
{
g_s.x = x;
g_s.y = y;
g_s.x1 = x1;
g_s.y1 = y1;
g_s.x2 = x2;
g_s.y2 = y2;
g_s.snaklen = snaklen;
g_s.frame_width = frame_width;
g_s.MAX_X = MAX_X;
g_s.MIN_X = MIN_X;
g_s.MAX_Y = MAX_Y;
g_s.MIN_Y = MIN_Y;
for(int i = 0; i < ARR_X; ++i)
for(int j = 0; j < ARR_Y; ++j)
{ g_s.pos_key[i][j] = pos_key[i][j]; }
g_s.c = c;
gettext(::MIN_X - 1, ::MIN_Y - 1, ::MAX_X + 1, ::MAX_Y + 1, g_s.screen);
g_s.savedgamestatus = savedgamestatus = 1;
ofstream fout;
fout.open("SAVEGAME", ios::out | ios::binary);
fout.write((char *) &g_s, sizeof(game_status));
fout.close();
}
else if (read == 1)
{
ifstream fin;
fin.open("SAVEGAME", ios::in | ios::binary);
fin.read((char *) &g_s, sizeof(game_status));
fin.close();
x = g_s.x;
y = g_s.y;
x1 = g_s.x1;
y1 = g_s.y1;
x2 = g_s.x2;
y2 = g_s.y2;
snaklen = g_s.snaklen;
frame_width = g_s.frame_width;
MAX_X = g_s.MAX_X;
MIN_X = g_s.MIN_X;
MAX_Y = g_s.MAX_Y;
MIN_Y = g_s.MIN_Y;
for(int i = 0; i < ARR_X; ++i)
for(int j = 0; j < ARR_Y; ++j)
{ pos_key[i][j] = g_s.pos_key[i][j]; }
c = g_s.c;
clrscr();
puttext(::MIN_X - 1, ::MIN_Y - 1, ::MAX_X + 1, ::MAX_Y + 1, g_s.screen);
savedgamestatus = g_s.savedgamestatus = 0;
ofstream fout;
fout.open("SAVEGAME", ios::out | ios::binary);
fout.write((char *) & g_s, sizeof(game_status));
fout.close();
}
else
{
ifstream fin;
fin.open("SAVEGAME", ios::in | ios::binary | ios::nocreate);
if(fin == 0)
{
savedgamestatus = 0;
return;
}
fin.read((char *) &g_s, sizeof(game_status));
fin.close();
savedgamestatus = g_s.savedgamestatus;
}
}
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