#include <LiquidCrystal_I2C.h>

#define button_0 0
#define button_1 1

LiquidCrystal_I2C lcd(0x27, 16, 2);

int player_height = 1;
int speed = 1;
int time_counter = 0;

byte player[8] = {
  0b00100,
  0b01010,
  0b00100,
  0b01010,
  0b11011,
  0b00100,
  0b01010,
  0b10001
};

byte obstacle_0[8] = {
  0b00000,
  0b00100,
  0b01110,
  0b11011,
  0b11011,
  0b01110,
  0b00100,
  0b00000
};

void setup() {
  Serial.begin(115200);
  setup_LCD();

  pinMode(button_0, INPUT);
  pinMode(button_1, INPUT);
}
void loop(){
  update_player();
  time_counter++;
  delay(speed*10);
  if(time_counter == 100) {
    lcd.setCursor(14, 0);
    lcd.write(byte(1));
    
    time_counter = 0;
  }
  Serial.println(time_counter);  
}

void setup_LCD() {
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.home();

  lcd.createChar(0, player);
  lcd.createChar(1, obstacle_0);
}

void update_player() {
  if (!digitalRead(button_0) && !digitalRead(button_1)) {
    player_height = player_height;
  }
  else if (!digitalRead(button_0)) {
    player_height = 0;
  }
  else if (!digitalRead(button_1)) {
    player_height = 1;
  }
  lcd.clear();
  lcd.setCursor(0, player_height);
  lcd.write(byte(0));
}