CTObjectFollower.c

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class CTObjectFollower extends ScriptedWidgetEventHandler
{
  protected Widget m_FollowerRoot;
  protected Widget m_FollowerButton;
 
  protected vector m_Position;
  protected vector m_Orientation;
  protected EntityAI m_FollowedObject;
 
  protected float m_MaxFade;
  protected float m_MinFade;
 
  protected CameraToolsMenu m_Menu;
 
  void ~CTObjectFollower()
  {
    DestroyFollowedObject();
    delete m_FollowerRoot;
  }
 
  void CreateFollowedObject(string type)
  {
    m_FollowedObject = EntityAI.Cast(GetGame().CreateObject(type, m_Position, true));
    SetPosition(m_Position);
    SetRotation(m_Orientation);
  }
 
  void DestroyFollowedObject()
  {
    if (m_FollowedObject)
      GetGame().ObjectDelete(m_FollowedObject);
  }
 
  void Update(float timeslice)
  {
    UpdatePos();
  }
 
  EntityAI GetObj()
  {
    return m_FollowedObject;
  }
 
  void SetPosition(vector position)
  {
    m_Position = position;
    if (m_FollowedObject)
    {
      m_FollowedObject.SetPosition(position);
      m_Position = m_FollowedObject.GetPosition();
    }
    UpdatePos();
  }
 
  void SetRotation(vector dir)
  {
    m_Orientation = dir;
    PlayerBase player = PlayerBase.Cast(m_FollowedObject);
    if (player)
      player.SetOrientation(m_Orientation);
    UpdatePos();
  }
 
  vector GetPosition()
  {
    if (m_FollowedObject && m_FollowedObject.GetPosition() != m_Position)
      SetPosition(m_FollowedObject.GetPosition());
    return m_Position;
  }
 
  vector GetRotation()
  {
    if (m_FollowedObject)
      return m_FollowedObject.GetOrientation();
    return "0 0 0";
  }
 
  void UpdatePos()
  {
    vector relativePos;
 
    relativePos = GetGame().GetScreenPosRelative(GetPosition());
 
    if (relativePos[0] >= 1 || relativePos[0] == 0 || relativePos[1] >= 1 || relativePos[1] == 0)
    {
      m_FollowerRoot.Show(false);
      return;
    }
    else if (relativePos[2] < 0)
    {
      m_FollowerRoot.Show(false);
      return;
    }
    else
      m_FollowerRoot.Show(true);
 
    float x, y;
    m_FollowerRoot.GetSize(x, y);
 
    m_FollowerRoot.SetPos(relativePos[0], relativePos[1]);
  }
 
  void Show()
  {
    m_FollowerRoot.Show(true);
  }
 
  void Hide()
  {
    m_FollowerRoot.Show(false);
  }
 
  void Fade(bool fade)
  {
    if (fade)
      m_FollowerRoot.SetAlpha(m_MinFade);
    else
      m_FollowerRoot.SetAlpha(m_MaxFade);
  }
 
  override bool OnClick(Widget w, int x, int y, int button)
  {
    return false;
  }
 
  override bool OnDoubleClick(Widget w, int x, int y, int button)
  {
    return false;
  }
 
  override bool OnMouseButtonDown(Widget w, int x, int y, int button)
  {
    if (w == m_FollowerButton && button == MouseState.LEFT)
    {
      if (m_Menu)
        m_Menu.SelectActor(CTActor.Cast(this));
      return true;
    }
    return false;
  }
 
  override bool OnMouseButtonUp(Widget w, int x, int y, int button)
  {
    if (w == m_FollowerButton && button == MouseState.LEFT)
    {
      if (m_Menu)
        m_Menu.SelectActor(null);
      return true;
    }
    return false;
  }
}