/// <summary>
/// GUI constructor initiates a List of containers and assigns currently hovered elements. Also makes GUI visible/hidden
/// </summary>
public GraphicInterface(Engine engine)
{
containers = new List <Container>();
hovered_container = null;
hovered_unit = null;
visible = true;
locked = false;
outline_containers = false;
this.engine = engine;
textengine = new TextEngine(engine.get_UI_font(), Rectangle.Empty, Vector2.Zero, Color.White); // creating a textengine inside GUI
}
/// <summary>
/// Change slider value by holding left mouse button
/// </summary>
/// <param name="e">Unit'engine name</param>
/// <param name="mouse">Mouse position</param>
public void update_slider_values(UIElementBase unit, Vector2 mouse)
{
foreach (Container c in containers)
{
foreach (UIElementBase u in c.get_element_list())
{
if (u == unit) // find specified element
{
// update slider value based on mouse movement
if (u is Slider)
{
Slider tmp = (Slider)u;
tmp.update(mouse);
}
}
}
}
}
/// <summary>
/// Adds an element to Container. Container bounds recalculated automatically based on number of elements in it
/// </summary>
/// <param name="engine">Unit reference</param>
public void add_element(UIElementBase u)
{
u.set_parent(this);
if (u.get_rectangle().Y == -1)
{
u.modify_bounds(u.get_rectangle().X, bounds.Height, u.get_rectangle().Width, u.get_rectangle().Height);
}
if (bounds.Width < (u.get_rectangle().Width + u.get_rectangle().X))
{
bounds.Width = u.get_rectangle().Width + u.get_rectangle().X;
}
bounds.Height = u.get_rectangle().Height + u.get_rectangle().Y;
stored_elements.Add(u);
// recalculate a serializeable surrogate for Rectangle type
bounds_surrogate = Engine.rectangle_to_delimited_string(bounds);
}
/// <summary>
/// Detects hovered on any GUI element and assigns names for hovered container/unit
/// </summary>
/// <param name="engine">Engine object reference</param>
/// <returns>true/false value representing GUI hover</returns>
public bool hover_detect()
{
if (locked) // testing - if GUI is locked - don't update hover detection until lock is removed
{
return(true);
}
hovered_container = null;
hovered_unit = null;
// detect hovered container
// update states
update_all_component_states(/*engine*/);
foreach (Container c in containers)
{
if (c.get_rectangle().Intersects(engine.get_mouse_rectangle()) &&
c.is_visible())
{ // container is hovered
hovered_container = c; // assume that no containers are intersecting
action_list[0] = c.get_action();
foreach (UIElementBase e in c.get_element_list())
{
// calculate element rectangle by adding container origin
Rectangle real_rectangle = new Rectangle(c.get_rectangle().X + e.get_rectangle().X, c.get_rectangle().Y + e.get_rectangle().Y, e.get_rectangle().Width, e.get_rectangle().Height);
if (real_rectangle.Intersects(engine.get_mouse_rectangle()) && e.is_visible())
{// element is hovered
hovered_unit = e;
action_list[1] = e.get_action();
return(true);
}
}
return(true); // this code is reached if a container is hovered and even if no elements is hovered
}
}
return(false);
}