/// <summary>
/// Whether the given data is valid.
/// </summary>
/// <param name="data">The data to check.</param>
/// <param name="checkIfHovered">Whether to check if the hover state is active.</param>
/// <returns>Whether the data is valid.</returns>
protected virtual bool IsValidData(SurfaceData data, bool checkIfHovered = false)
{
return(data.Transform != null &&
data.Transform.gameObject != null &&
SourceValidity.Accepts(data.Transform.gameObject) &&
(!checkIfHovered || HoveringElements.Any(element => element.Transform.Equals(data.Transform))));
}
public virtual bool Enter(SurfaceData data)
{
if (!IsValidData(data))
{
return(false);
}
SurfaceData hoverPayload = CreateHoverPayload(data);
IsHovered = true;
if (!HoveringElements.Any(element => element.Transform.Equals(data.Transform)))
{
HoveringElements.Add(data);
if (HoveringElements.Count == 1)
{
FirstEntered?.Invoke(hoverPayload);
}
}
Entered?.Invoke(hoverPayload);
return(true);
}
public virtual bool Select(SurfaceData data)
{
if (!IsSelectable || !IsValidData(data, true))
{
return(false);
}
if (IsActivated)
{
return(Deselect());
}
IsActivated = true;
Activated?.Invoke(CreateSelectedPayload(data));
if (ExitAllHoveringOnActivated)
{
for (int index = HoveringElements.Count - 1; index >= 0; index--)
{
Exit(HoveringElements[index]);
}
HoveringElements.Clear();
}
if (DeactivateSelfOnActivated)
{
if (DeactivateDelay.ApproxEquals(0f))
{
return(Deselect());
}
else
{
Invoke("DoDeselect", DeactivateDelay);
return(true);
}
}
return(true);
}
public virtual bool Exit(SurfaceData data)
{
if (!IsValidData(data, true))
{
return(false);
}
if (HoveringElements.RemoveAll(element => element.Transform.Equals(data.Transform)) > 0)
{
SurfaceData hoverPayload = CreateHoverPayload(data);
Exited?.Invoke(hoverPayload);
if (HoveringElements.Count == 0)
{
IsHovered = false;
LastExited?.Invoke(hoverPayload);
}
return(true);
}
return(false);
}
