Key_Strokes.c_backup

#include <termios.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <stdio.h>
#include <time.h>

#define SIZE 51
#define UP 183
#define DOWN 184
#define RIGHT 185
#define LEFT 186

int scan_keyboard(void);
void wait();
int kbhit();
void move(char);
int get_new_point(int, char);
int head = ((SIZE / 2) - 1) * SIZE + (SIZE / 2) + 2;
int tail = ((SIZE / 2) - 1) * SIZE + (SIZE / 2) - 2;
int board[SIZE][SIZE];

int main()
{
	int i = 0;
	int j = 0;
	char direction = 'r';
	char new_direction;
	int new_value = 0;
	int key_pressed = 0;

	// Initialising Board
	for(i = 0; i < SIZE; i++) {
		for(j = 0; j < SIZE; j++) {
			board[i][j] = 0;
		}
	}
	// Initially Snake
	board[25][27] = 2; // Snake's Head
	board[25][23] = board[25][24] = board[25][25] = board[25][26] = 1; // Snake's body

	system("stty raw -echo");
	printf("enter 'q' to quit \n");
	
	for (i = 0; (direction != 'q'); i++) {
		
		wait();
		
		//new_value = 0;
		if (kbhit()) {
			//direction = scan_keyboard();
			key_pressed = scan_keyboard();
			if(key_pressed == 27) {
				key_pressed += scan_keyboard();
				if(key_pressed == 118) {
					key_pressed += scan_keyboard();
					if(key_pressed == UP && direction != 'd')
						direction = 'u';
					else if(key_pressed == DOWN && direction != 'u')
						direction = 'd';
					else if(key_pressed == RIGHT && direction != 'l')
						direction = 'r';
					else if(key_pressed == LEFT && direction != 'r')
						direction = 'l';
				}
			}
			else if (key_pressed == 81 || key_pressed == 113)
				direction = 'q';
		}
		move(direction);	
	}
	
	system("stty cooked echo");
	return 0;
}

void move(char ch)
{
	printf("\r");
	if(ch == 'U' || ch == 'u')
		printf("Up\n");
	else if (ch == 'D' || ch == 'd')
		printf("Down\n");
	else if (ch == 'R' || ch == 'r')
		printf("Right\n");
	else if (ch == 'L' || ch == 'l')
		printf("Left\n");
	fflush(stdout);
	return;
}

int get_new_point(int pos, char dir)
{
	int ans = 0;

	return ans;
}

// Another one!
int scan_keyboard(void) 
{
	struct termios oldstuff;
	struct termios newstuff;
	int inch;

	tcgetattr(STDIN_FILENO, &oldstuff);
	newstuff = oldstuff;                  /* save old attributes               */
	newstuff.c_lflag &= ~(ICANON | ECHO); /* reset "canonical" and "echo" flags*/
	tcsetattr(STDIN_FILENO, TCSANOW, &newstuff); /* set new attributes         */
	inch = getchar();
	tcsetattr(STDIN_FILENO, TCSANOW, &oldstuff); /* restore old attributes     */

	return inch;
}

void wait()
{
	clock_t now = clock();
	while((clock() - now) < (0.07 * CLOCKS_PER_SEC));
	return;
}

int kbhit()
{
	int i;
	ioctl(0, FIONREAD, &i);
	return i; /* return a count of chars available to read */
}