#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
uint8_t up_button = 17;
uint8_t dn_button = 16;

static uint8_t man_y = 1 , remove_man_y = 0 ;

void man_up_dn() {
  if (digitalRead(up_button) == LOW) {
    man_y = 0;
    remove_man_y = 1;
  }
  if (digitalRead(dn_button) == LOW) {
    man_y = 1;
    remove_man_y = 0;
  }
}

int man_run() {
  byte man_0[8] = {
    0b00000,
    0b00100,
    0b00100,
    0b01110,
    0b10101,
    0b00100,
    0b01010,
    0b10001,
  };

  byte man_1[8] = {
    0b00000,
    0b00100,
    0b00100,
    0b01110,
    0b10101,
    0b00110,
    0b01010,
    0b10000,
  };

  byte man_2[8] = {
    0b00000,
    0b00100,
    0b00100,
    0b01110,
    0b01110,
    0b00100,
    0b01010,
    0b01010,
  };

  byte man_3[8] = {
    0b00000,
    0b00100,
    0b00100,
    0b01110,
    0b01101,
    0b00100,
    0b11010,
    0b00001,
  };

  lcd.createChar(0, man_0);
  lcd.createChar(1, man_1);
  lcd.createChar(2, man_2);
  lcd.createChar(3, man_3);
  for (int i = 0; i < 4; i++) {
    man_up_dn();
    lcd.setCursor(0, man_y);
    lcd.write(i);
    lcd.setCursor(0, remove_man_y);
    lcd.print(" ");
    delay(50);
  }
}

  static int random_staff_x = 10 ;

static int random_staff_y ; 
static int score ; 
int random_staff () {
    lcd.setCursor (11 , 0 ); 
  lcd.print("SCORE");
  lcd.setCursor (13 , 1 ); 
  lcd.print(score);
  random_staff_y = random(0,2) ; 
  for ( random_staff_x = 9 ; random_staff_x > -1 ; random_staff_x -- ){
    man_run();
    lcd.setCursor (random_staff_x , random_staff_y ); 
    lcd.print("* ");
    //delay(100);
  }
  score ++ ;

  //lcd.clear() ; 
}

void game_over () {
  lcd.clear();
  lcd.setCursor (3 ,1);
  lcd.print("GAME OVER");
  delay(3000); 
}
void setup() {
  lcd.init();
  lcd.backlight();
  pinMode(up_button, INPUT_PULLUP);
  pinMode(dn_button, INPUT_PULLUP);
}
void loop() {
   if ( random_staff_x < 1  && random_staff_y ==  man_y ){
       game_over();
   }else {
    random_staff ();
   }
 

}