#include <Wire.h>
#include <LiquidCrystal_I2C.h>

// Initialize the library with the I2C address (0x27 or 0x3F)
LiquidCrystal_I2C lcd(0x27, 16, 2);

int x = 0;  // Starting position of the horse

// Two frames of the horse (head up and head down)
byte horseFrames[2][8][8] = {
  {
    {0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x0E, 0x0E},  // Head Up
    {0x00, 0x00, 0x00, 0x00, 0x0F, 0x1F, 0x1F, 0x1F},
    {0x00, 0x00, 0x00, 0x03, 0x07, 0x1F, 0x1F, 0x1F},
    {0x00, 0x00, 0x05, 0x1F, 0x1D, 0x1F, 0x16, 0x06},
    {0x0C, 0x18, 0x10, 0x00, 0x01, 0x01, 0x01, 0x00},
    {0x1F, 0x1F, 0x1E, 0x17, 0x00, 0x00, 0x10, 0x00},
    {0x1F, 0x1F, 0x03, 0x02, 0x14, 0x04, 0x02, 0x00},
    {0x1C, 0x1C, 0x04, 0x04, 0x08, 0x00, 0x00, 0x00}
  },
  
  {
    {0x00, 0x00, 0x00, 0x07, 0x0F, 0x0E, 0x1C, 0x18},  // Head Down
    {0x00, 0x00, 0x00, 0x0F, 0x1F, 0x1F, 0x1F, 0x1F},
    {0x00, 0x00, 0x01, 0x03, 0x1F, 0x1F, 0x1F, 0x1F},
    {0x14, 0x1C, 0x1A, 0x1E, 0x1F, 0x13, 0x10, 0x10},
    {0x13, 0x13, 0x02, 0x02, 0x04, 0x00, 0x00, 0x00},
    {0x1F, 0x07, 0x0E, 0x06, 0x01, 0x00, 0x00, 0x00},
    {0x0F, 0x03, 0x03, 0x01, 0x01, 0x00, 0x00, 0x00},
    {0x10, 0x18, 0x0C, 0x02, 0x02, 0x11, 0x00, 0x00}
  }
};

void setup() {
  lcd.init();  // Initialize the LCD
  lcd.backlight();  // Turn on the backlight

  // Alternate between frames and move the horse from left to right
  for (x = 0; x <= 12; x++) {  // Move from position 0 to 12
    for (int f = 0; f < 2; f++) { // Alternate between frame 0 and frame 1 (head up, head down)
      lcd.clear();

      // Load the current frame (f) into LCD memory
      for (int i = 0; i < 8; i++) {
        lcd.createChar(i, horseFrames[f][i]);
      }

      // Display the horse on the LCD moving from left to right
      for (int c = 0; c < 4; c++) {  // 4 character-wide horse
        lcd.setCursor(x + c, 0);  // Top half of the horse
        lcd.write(byte(c));       // Display top part
        lcd.setCursor(x + c, 1);  // Bottom half of the horse
        lcd.write(byte(c + 4));   // Display bottom part
      }

      delay(40);  // Adjust delay to control the animation speed
    }
  }

  // Clear the LCD after the animation runs
  lcd.clear();
}

void loop() {
  // Do nothing, as the animation runs only once in the setup
}