void UI_InteractHover()
{
//Make sure player is hovering over an item
GameObject itemInView = playerInteract.GetItemInView();
if (itemInView)
{
textInteractable.text = "";
//Update interact UI text
Interactable interactable = itemInView.GetComponent <Interactable>();
Pickupable pickupable = itemInView.GetComponent <Pickupable>();
if (pickupable)
{
textInteractable.text = "Press E to pickup " + pickupable.item.name;
}
else if (interactable && GetItemInViewName() != "")
{
string interactName = GetItemInViewName();
Pickupable currentlyEquipped = playerInteract.GetComponent <EquipSystem>().currentEquippedItem;
if (currentlyEquipped)
{
IItemUsable itemUsable = interactable as IItemUsable;
if ((itemUsable != null && !itemUsable.IsCorrect()) && currentlyEquipped) //Display 'Use [item] on [itemhover]'
{
textInteractable.text = "Use " + currentlyEquipped.item.name + " on " + interactName;
}
}
else
{
textInteractable.text = interactName;
}
}
else
{
isVisible = false;
StartCoroutine(DelayedFadeOut());
}
//Make text visible if it is not already
if (!isVisible && textInteractable.text != "")
{
//Make text visible if it is not already
if (!isVisible)
{
isVisible = true;
interactAnimator.SetBool("isVisible", isVisible);
}
}
}
else if (isVisible)
{
//Delay fade out to make sure text does not blink while quickly switching targets
isVisible = false;
StartCoroutine(DelayedFadeOut());
}
}
/// <summary>
/// Functionality of using an item on a IItemUsable component
/// </summary>
/// <returns>Whether the item could be used.</returns>
public virtual bool Use(GameObject user, Interactable itemInView)
{
if (itemInView)
{
IItemUsable itemUsable = itemInView.GetComponent <IItemUsable>();
if (itemUsable != null)
{
return(itemUsable.OnItemUse(user, item));
}
}
return(false);
}
void Update()
{
if (IsHolding)
{
// Don't care where we are, right click returns item to inventory
if (Input.GetMouseButtonDown(1))
{
StopHolding();
return;
}
else
{
// No effect - item cannot be used
bool isHighlight = false;
GetComponent <SpriteRenderer>().color = Color.white;
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit2D[] objects = Physics2D.RaycastAll(ray.origin, ray.direction);
foreach (var obj in objects)
{
IItemUsable u = obj.collider.gameObject.GetComponent <IItemUsable>();
if (u != null)
{
if (u.CanUseOnSelf(CurrentItemId))
{
// Effect to show that the item can be used
isHighlight = true;
GetComponent <SpriteRenderer>().color = Color.yellow;
if (Input.GetMouseButton(0))
{
// Stop holding before usage to return item to inventory and then remove it via action
// sometimes use on self invokes coroutine move closer - then we would be fine - item returns and is later removed
// but other times there is no coroutine involved, item is in hand so action cannot remove it from inventory
// and StopHolding just returns it to inventory for no reason
int itemId = CurrentItemId;
StopHolding();
u.UseOnSelf(itemId);
return;
}
}
}
}
ToggleHighlight(isHighlight);
}
MoveToCursor();
}
}
protected override string GetInteractableMessage(Interactable interactable)
{
string returnString = base.GetInteractableMessage(interactable);
IItemUsable usableInteractable = interactable as IItemUsable;
bool canUseItem = usableInteractable != null && usableInteractable.CanUse();
if (owningPlayer && canUseItem)
{
var equip = owningPlayer.GetComponent <EquipManager>();
if (equip && equip.GetEquippedItem())
{
return("Use " + equip.GetEquippedItem().GetName() + " on " + interactable.GetName());
}
}
return(returnString);
}
