#include <LiquidCrystal_I2C.h>

byte xSizeLed = 16;
byte ySizeLed = 2;

LiquidCrystal_I2C lcd(0x27, xSizeLed, ySizeLed);  // set the LCD address to 0x27 for a 16 chars and 2 line display

byte xMap = 9;
byte yMap = 5;

int arMap[5][9] = {
  {0,0,0,0,0,0,0,0,0},
  {0,1,1,1,1,1,1,1,0},
  {0,1,0,0,0,0,0,1,0},
  {0,1,1,1,1,1,1,1,0},
  {0,0,0,0,0,0,0,0,0},
};

int arLook[3];

byte x = 1;
byte y = 1;

bool up    = true;
bool down  = false;
bool left  = false;
bool right = false;


void drawMap(){
  
  if(up){

    arLook[0] = arMap[y][x-1];
    arLook[1] = arMap[y-1][x];
    arLook[2] = arMap[y][x+1];

  }else if(down){

    arLook[0] = arMap[y][x-1];
    arLook[1] = arMap[y+1][x];
    arLook[2] = arMap[y][x+1];

  }else if(left){

    arLook[0] = arMap[y-1][x];
    arLook[1] = arMap[y][x-1];
    arLook[2] = arMap[y+1][x];

  }else if(right){

    arLook[0] = arMap[y-1][x];
    arLook[1] = arMap[y][x+1];
    arLook[2] = arMap[y+1][x];

  }

  lcd.setCursor(0,0);
  lcd.print(arMap[0][0]);
  lcd.setCursor(1,0);
  lcd.print(arMap[1][2]);
  lcd.setCursor(2,0);
  lcd.print(arMap[2][3]);
  lcd.setCursor(5,0);
  lcd.print(arLook[0]);
  lcd.setCursor(7,0);
  lcd.print(arLook[1]);
  lcd.setCursor(9,0);
  lcd.print(arLook[2]);

}

void setup()
{
  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  pinMode(4, INPUT_PULLUP);
  pinMode(5, INPUT_PULLUP);
  
  lcd.begin(xSizeLed, ySizeLed);

  drawMap();

}


void loop()
{
  bool btnUp    = digitalRead(4);
  bool btnLeft  = digitalRead(2);
  bool btnRight = digitalRead(3);
  
  if(!btnUp){
    
    if(up){

      if(x<xMap)
      x++;

    }else if(left){

      if(y>0)
      y--;

    }else if(right){

      if(y<yMap)
      y++;

    }else if(down){

      if(x>0)
      x--;

    }

    drawMap();
    
    lcd.setCursor(0,0);
    lcd.print(x);
    lcd.setCursor(2,0);
    lcd.print(y);

  }

  if(!btnLeft){

    if(up){

      up   = !up;
      left = !left;

    }else if(left){

      left = !left;
      down = !down;

    }else if(down){

      down  = !down;
      right = !right;

    }else if(right){

      right = !right;
      up = !up;

    }

    drawMap();

  }

  if(!btnRight){

    if(up){

      up    = !up;
      right = !right;

    }else if(right){

      right = !right;
      down  = !down;

    }else if(down){

      down = !down;
      left = !left;

    }else if(left){

      left = !left;
      up   = !up;

    }

    drawMap();

  }
  delay(200);
}