#include <LiquidCrystal.h> //biblioteca LiquidCrystal
#include <ezButton.h>
const int rs = 8;
const int en = 9;
const int d4 = 4;
const int d5 = 5;
const int d6 = 6;
const int d7 = 7;

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
ezButton button1(2);
int botao = 2;
int score = 0;
int bestScore = 0;

byte dinoChar[8] = {
  0b00110,
  0b00111,
  0b01110,
  0b01111,
  0b01111,
  0b11110,
  0b01110,
  0b01010
};

byte cactus[] = {
  B01000,
  B01010,
  B01110,
  B00101,
  B10111,
  B11100,
  B00100,
  B00100
};

byte meteor[] = {
  B00000,
  B00111,
  B01100,
  B11110,
  B01100,
  B00111,
  B00000,
  B00000
};


// 20 f
// 1350 b
// 10 v

void setup() {
  lcd.begin(16, 2);// LCD - 16 colunas por 2 linhas
  pinMode(botao, INPUT);
  button1.setDebounceTime(0);

  lcd.createChar(0, dinoChar);
  lcd.createChar(1, cactus);
  lcd.createChar(2, meteor);
  Serial.begin(9600);
  randomSeed(analogRead(0));
}


void game() {
  score = 0;
  int cacto = 16;
  int meteoro = 24; // 24
  float speed = 100;
  int dinoX = 1;
  int dinoY = 2;
  int jump = 0;
  bool canJump = false;
  unsigned long previousMillis = 0;
  while (true) {
    button1.loop();
    unsigned long milliseconds = millis();

    if (meteoro == 0 || cacto == 0) score++;
    if ((dinoX == cacto && dinoY == 2) || (dinoX == meteoro && dinoY == 0)) {
      if (score > bestScore) bestScore = score;
      break;
    }

    if (cacto == 0 || meteoro == 0) {
      int r = random(16, 20);
      int r2 = random(2);
      Serial.println(r2);
      if (r2 == 0 && cacto <= 0) cacto = r;
      if (r2 == 1 && meteoro <= 0) meteoro = r;
    }

    if (button1.isPressed() && canJump) {
      if (milliseconds - previousMillis >= 200) {
      previousMillis = milliseconds;

      digitalWrite(10, HIGH);
      delay(50);
      digitalWrite(10, LOW);
    }
      canJump = false;
      jump = 5;
    }
    if (jump > 0) {
      dinoY = 0;
      jump--;
    } else {
      canJump = true;
      dinoY = 2;
    }

    lcd.clear();
    lcd.setCursor(dinoX, dinoY);
    lcd.write((uint8_t)0);
    if (cacto >= 0) {
      lcd.setCursor(cacto, 2);
      lcd.write((uint8_t)1);
    }
    
    if (meteoro >= 0) {
      lcd.setCursor(meteoro, 0);
      lcd.write((uint8_t)2);
    }

    lcd.setCursor(12, 0);
    lcd.print(score);

    delay(speed);
    cacto--;
    meteoro--;
    if (score == 25 && speed == 100) speed -= 25;
    if (score == 50 && speed == 125) speed -= 25;
    if (score == 75 && speed == 100) speed -= 25;
    if (score == 100 && speed > 32) speed--; 
    Serial.println(meteoro);
  }
}

void loop() {
  button1.loop();
  lcd.clear();
  lcd.write((uint8_t)0);
  lcd.print("  Dino Race   ");
  lcd.write((uint8_t)0);
  lcd.setCursor(0, 2);
  lcd.print(score);
  lcd.setCursor(7, 2);
  lcd.print(score == bestScore && score != 0 ? "New score" : "CC - UFFS");
  delay(1000);
  
  if (button1.isPressed()) game();
}