# Bananarchy Linux Plymouth Theme Script
# Central crossed bananas ("A") remain stationary while the outer banana circle rotates.

Window.SetBackgroundTopColor(0, 0, 0);
Window.SetBackgroundBottomColor(0, 0, 0);

center_image = Image("center.png");
ring_image = Image("ring.png");
error_image = Image("error.png");
title_image = Image("title.png");

win_w = Window.GetWidth();
win_h = Window.GetHeight();

target_size = Math.Min(win_w * 0.72, win_h * 0.56);
if (target_size > 164 && target_size < 176)
{
  scale_ratio = 1.0;
}
else
{
  scale_ratio = target_size / center_image.GetWidth();
  center_image = center_image.Scale(
    center_image.GetWidth() * scale_ratio,
    center_image.GetHeight() * scale_ratio
  );
  ring_image = ring_image.Scale(
    ring_image.GetWidth() * scale_ratio,
    ring_image.GetHeight() * scale_ratio
  );
  error_image = error_image.Scale(
    error_image.GetWidth() * scale_ratio,
    error_image.GetHeight() * scale_ratio
  );
  title_image = title_image.Scale(
    title_image.GetWidth() * scale_ratio,
    title_image.GetHeight() * scale_ratio
  );
}

global.message_font = "Sans 10";

logo_x = Window.GetX() + win_w / 2 - center_image.GetWidth() / 2;
logo_y = Window.GetY() + win_h / 2 - center_image.GetHeight() / 2 - 16;

title_x = Window.GetX() + win_w / 2 - title_image.GetWidth() / 2;
title_y = logo_y + center_image.GetHeight() + 12;

ring_sprite = Sprite(ring_image);
ring_sprite.SetPosition(logo_x, logo_y, 10);
ring_sprite.SetOpacity(1);

center_sprite = Sprite(center_image);
center_sprite.SetPosition(logo_x, logo_y, 20);
center_sprite.SetOpacity(1);

title_sprite = Sprite(title_image);
title_sprite.SetPosition(title_x, title_y, 20);
title_sprite.SetOpacity(1);

error_sprite = Sprite(error_image);
error_sprite.SetPosition(logo_x, logo_y, 30);
error_sprite.SetOpacity(0);

global.angle = 0.0;
global.two_pi = 6.283185307;
global.status = "normal";

fun refresh_callback()
{
  if (status == "error")
  {
    ring_sprite.SetOpacity(0);
    center_sprite.SetOpacity(0);
    error_sprite.SetOpacity(1);
    return;
  }

  error_sprite.SetOpacity(0);
  ring_sprite.SetOpacity(1);
  center_sprite.SetOpacity(1);

  angle = angle + 0.055;
  if (angle >= two_pi)
  {
    angle = angle - two_pi;
  }
  ring_sprite.SetImage(ring_image.Rotate(angle));
}

Plymouth.SetRefreshFunction(refresh_callback);

message_sprite = Sprite();
message_sprite.SetPosition(10, 10, 10000);

fun display_message_callback(text)
{
  if (status == "error")
    text_image = Image.Text(text, 1, 0.3, 0.2, 1, message_font, "center");
  else if (status == "warning")
    text_image = Image.Text(text, 1, 0.84, 0.04, 1, message_font, "center");
  else
    text_image = Image.Text(text, 0.8, 0.8, 0.8, 0.9, message_font, "center");

  message_sprite.SetImage(text_image);
  message_x = Window.GetX() + win_w / 2 - text_image.GetWidth() / 2;
  message_y = Window.GetY() + win_h - text_image.GetHeight() - 12;
  message_sprite.SetPosition(message_x, message_y, 10000);
}

fun hide_message_callback(text)
{
  message_sprite = Sprite();
  message_sprite.SetPosition(10, 10, 10000);
  status = "normal";
}

Plymouth.SetDisplayMessageFunction(display_message_callback);
Plymouth.SetHideMessageFunction(hide_message_callback);

fun update_status_callback(new_status)
{
  if (new_status == "warning" || new_status == "error")
    global.status = new_status;
  else
    global.status = "normal";
}

Plymouth.SetUpdateStatusFunction(update_status_callback);

fun quit_callback()
{
  ring_sprite.SetOpacity(1);
  center_sprite.SetOpacity(1);
}

Plymouth.SetQuitFunction(quit_callback);