void Update()
{
if (Input.GetMouseButtonDown(0) && Manager <UIManager> .Instance.showingText)
{
ContinueClick.Invoke();
}
//Debug code to removing inventory objects
if (Input.GetKeyDown(KeyCode.Delete))
{
Manager <InventoryManager> .Instance.RemoveInventoryObjectByIndex(0);
}
//Allow player to hold button to show all objects that can be interacted with
if (Input.GetKey(KeyCode.Return) && !Manager <UIManager> .Instance.showingText && !Manager <UIManager> .Instance.awaitingResponse)
{
//Trigger event that all clickable objects subscribe to turn them highlighted
StartHighlightOverride.Invoke();
}
else if (Input.GetKeyUp(KeyCode.Return))
{
//Trigger event that tells all hightable objects to go back to normal
StopHighlightOverride.Invoke();
}
#region Raycasting
//Perform raycast to mouse position along Z axis
Vector3 mousePos = cameraMain.ScreenToWorldPoint(Input.mousePosition);
RaycastHit2D raycastHit = Physics2D.Raycast(mousePos + new Vector3(0, 0, -10), mousePos - cameraMain.transform.position);
//If raycast hits check if the object has an highlight sprite or show text component
if (raycastHit)
{
GameObject objectHit = raycastHit.collider.gameObject;
//Check if mouse has entered or left an object with a highlight sprite component
HighlightSprite highlightSprite = objectHit.GetComponent <HighlightSprite>();
if (highlightSprite == null)
{
//another object is at top but does not have a highlight sprite component so tell currently highlighted object to be un-highlighted
if (currentHighlightSprite != null)
{
currentHighlightSprite.MouseLeave();
currentHighlightSprite = null;
}
}
else
{
//Object on top has a highlight sprite component so un-highlight any currently highlighted object, highlight new one and store it for future reference
if (currentHighlightSprite != null)
{
currentHighlightSprite.MouseLeave();
}
highlightSprite.MouseOver();
currentHighlightSprite = highlightSprite;
}
//Check if mouse has entered an object with a show text component and if the left mouse button is clicked
ShowText showText = objectHit.GetComponent <ShowText>();
if (showText != null && Input.GetMouseButtonDown(0))
{
showText.ShowTextClicked();
}
//Check if mouse has entered an object with a Drag Object component, left mouse has been clicked this frame and UI manager isn't busy set state ofdrag object to being dragged
DragObject dragObject = objectHit.GetComponent <DragObject>();
if (dragObject != null && Input.GetMouseButtonDown(0) && !Manager <UIManager> .Instance.showingText && !Manager <UIManager> .Instance.awaitingResponse)
{
dragObject.StartDrag();
}
}
else
{
//If raycast doesn't hit tell current highlighted object to un-highlight
if (currentHighlightSprite != null)
{
currentHighlightSprite.MouseLeave();
currentHighlightSprite = null;
}
}
#endregion
}
private void StartDrag(DragObject target)
{
_isDraggingObject = true;
_dragObject = target;
_dragReferencePoint = target.StartDrag();
}