Reads character input from the user; handles arrow keys, converting them to their equivalent WASD character

C: read_input_char

char read_input_char()
{
	char c;
	c = getch();
	if (c == '\033') { // if the first value is esc
		c = getch(); // skip the [
		switch(c = getch()) { // the real value
			case 'A':
				// code for arrow up
				return 'w';
			case 'B':
				// code for arrow down
				return 's';
			case 'C':
				// code for arrow right
				return 'd';
			case 'D':
				// code for arrow left
				return 'a';
		}
		return c;
	} else {
		return c;
	}
};