void HandleInteraction(InteractionObject io)
{
if (io != currentInteractionObject || (io != null && io.IsDirty))
{
if (io == null)
{
currentInteractionObject.interactionSystem = null;
}
else
{
io.interactionSystem = this;
}
PopulateOptions(io);
scrollIndex = 0;
if (io != null && io.IsDirty)
{
io.ClearDirty();
}
}
currentInteractionObject = io;
if (io == null && lastHighlight != null)
{
lastHighlight.StopHighlighting();
lastHighlight = null;
}
if (io == null)
{
return;
}
List <InteractionOption> ActiveOptions = io.Options.Where(a => a.Validate == null || a.Validate.Invoke()).ToList();
if (io != null && ActiveOptions.Count > 0)
{
scrollIndex = Mathf.Clamp(scrollIndex, 0f, ActiveOptions.Count - 1);
scrollIndex += -Input.mouseScrollDelta.y;
optionIndex = Mathf.RoundToInt(scrollIndex);
}
if (UI_Options.Count >= optionIndex)
{
UI_Options[optionIndex].GetComponent <Selectable>().Select();
}
if (io.GetComponent <InteractionHighlight>())
{
var highlight = io.GetComponent <InteractionHighlight>();
if (lastHighlight != null && lastHighlight != highlight)
{
lastHighlight.StopHighlighting();
}
lastHighlight = highlight;
lastHighlight.Highlight();
}
if (Input.GetKeyDown(KeyCode.E))
{
io.OnInteraction(this, optionIndex);
}
}