//https://www.arduino.cc/reference/en/libraries/liquidcrystal/

#include <LiquidCrystal.h> //biblioteca LiquidCrystal
//Pinos do Display
const int rs = 8;
const int en = 9;
const int d4 = 4;
const int d5 = 5;
const int d6 = 6;
const int d7 = 7;
//botão
int Botao1 = 2;
int estado1;
//pista com carros
int carU[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0};
int carD[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0};
int nrCarU;

bool die = false;


//símbolo do carro
byte carChar[8] = {
  0b11011,
  0b11011,
  0b00000,
  0b01110,
  0b01110,
  0b00000,
  0b11011,
  0b11011
};//from https://omerk.github.io/lcdchargen/


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

//Cactus
byte cactusChar[8] = {
  0b10101,
  0b10101,
  0b11111,
  0b01110,
  0b01110,
  0b00100,
  0b00100,
  0b00100
};

//Meteor
byte meteorChar[8] = {
  0b00010,
  0b00101,
  0b11010,
  0b11100,
  0b11100,
  0b11100,
  0b01000,
  0b00000
};


LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
int i = 0;

void setup()
{
  lcd.createChar(0, dinoChar);// novo caracter pos 0- from: https://omerk.github.io/lcdchargen/
  lcd.createChar(1, cactusChar);
  lcd.createChar(2, meteorChar);

  lcd.begin(16, 2);// LCD - 16 colunas por 2 linhas
  Serial.begin(9600);

  pinMode(Botao1, INPUT);
  nrCarU = sizeof(carU);

}
void escreva (char txtA[], char txtB[])
{
  lcd.setCursor(0, 0);
  lcd.print(txtA);
  lcd.setCursor(0, 1);// coluna 2 e linha 1
  lcd.print(txtB);
}

void inCar(int col, int lin) {
  lcd.setCursor(col, lin);
  lcd.write((uint8_t)1);
}
void outCar(int col, int lin) {
  lcd.setCursor(col, lin);
  lcd.print(" ");
}

void renderCol(int posCar , int col) {
  bt();
  if (carU[posCar] == 1 and col == 1 and estado1 == HIGH)
  {
    escreva("Acidente....    ", "Continuando    ");
    delay(2000);
    die = true;
  }

  if (carD[posCar] == 1 and col == 1 and estado1 == LOW)
  {
    lcd.clear();
    escreva("Acidente....", "Continuando...");
    delay(2000);
    die = true;

  }

  if (die == false)
  {
    if (carU[posCar] == 1) {
      inCar(col, 0);
    }
    else
    {
      outCar(col, 0);
    }
    if (carD[posCar] == 1) {
      inCar(col, 1);
    }
    else
    {
      outCar(col, 1);
    }
  }
  if (die ==true)
  {
    lcd.clear();
    die=false;
    }
}

void render() {
  for (int i = 0 ; i < 48 ; i++) {
    bt();
    renderCol(15 + i, 15);
    renderCol(14 + i, 14);
    renderCol(13 + i, 13);
    renderCol(12 + i, 12);
    renderCol(11 + i, 11);
    renderCol(10 + i, 10);
    renderCol(9 + i, 9);
    renderCol(8 + i, 8);
    renderCol(7 + i, 7);
    renderCol(6 + i, 6);
    renderCol(5 + i, 5);
    renderCol(4 + i, 4);
    renderCol(3 + i, 3);
    renderCol(2 + i, 2);
    renderCol(1 + i, 1);
    renderCol(0 + i, 0);
    delay(300);
    if (i==47){
          escreva("   VENCEDOR!!!", "      :)");
          delay(2000);
    }
  }
}



void bt()
{
  estado1 = digitalRead(Botao1);
  if (estado1 == HIGH)
  {
  lcd.setCursor(1, 0);
  lcd.write((uint8_t)0);
  }
  else
  {
  lcd.setCursor(1, 1);
  lcd.write((uint8_t)0);
  }
}


void loop()
{
  escreva("SEJA BEM-VINDO!!!","    CC - UFFS");
  delay(1000);
  render();
  delay(2000);
}