private void Update()
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
// Change cursor to main or inspect, depending on if inspection mode is activated
Cursor.SetCursor((ui_h.isInspectorModeActivated) ? cursor_inspect : cursor_main, Vector2.zero, CursorMode.ForceSoftware);
if (useItem)
{
if (Vector3.Distance(uh.CurrentUnit.transform.position, currentTarget.transform.position) <= UIHandler.selectedItem.GetComponent <Item>().usageDistance || UIHandler.selectedItem.GetComponent <Item_Throwable>())
{
UIHandler.selectedItem.transform.SetParent(uh.CurrentUnit.transform);
UIHandler.selectedItem.transform.position = uh.CurrentUnit.GetComponent <UnitController>().itemDropper.transform.position;
if (UIHandler.selectedItem && UIHandler.selectedItem.GetComponent <Item>().Action(currentTarget))
{
ui_h.removeItem();
currentTarget = null;
}
}
useItem = false;
}
// Checks the pending inventory
if (useInv)
{
if (currentUnit.GetComponent <UnitMovementController>().InventoryWithinReach)
{
ui_h.openExternalInventory(SecondaryInventory);
currentUnit = null;
SecondaryInventory = null;
ui_h.isInspectorModeActivated = false;
useInv = false;
}
}
if (Physics.Raycast(ray, out hit) && !ui_h.isInventoryWindowOpen && (!EventSystem.current.IsPointerOverGameObject(-1) || UIHandler.selectedItem != null)) // EventSystem is to make sure that you cannot click through the UI, the "-1" is to check for the mouse position
{
// Set cursor to be item selection
if (Input.GetAxisRaw("Multi Select") == 1 && hit.transform.tag == TagHandler.ITEM)
{
Cursor.SetCursor(cursor_grab, Vector2.zero, CursorMode.ForceSoftware);
}
#region Left Click
// ------------------ LEFT CLICK
if (Input.GetButtonDown("Fire1"))
{
if (!isDragging)
{
dragOrigin = Input.mousePosition;
}
// ----------- If the player only wants to select a single unit
if ((hit.transform.tag == TagHandler.PLAYER || hit.transform.tag == TagHandler.INVENTORY) && !UIHandler.selectedItem) // Checks to see if a playable unit is being clicked, if not then deselect all units
{
if (ui_h.isInspectorModeActivated)
{
// Setting up a pending inventory check (making sure that the player has to walk to the given inventory before opening it)
currentUnit = uh.CurrentUnit;
SecondaryInventory = hit.transform.GetComponent <InventoryHandler>();
useInv = true;
}
else
{
if (Input.GetAxisRaw("Multi Select") == 1) // If Shift is being pressed then it allows multiple selection, otherwise only one unit can be select at a time
{
if (uh.isSelected(hit.transform.gameObject)) // If shift is pressed, then it allows you to deselect selected units whilst still having the others selected
{
uh.deselect(hit.transform.gameObject);
}
else
{
uh.selectWithoutAutoDeselect(hit.transform.gameObject);
}
}
else
{
uh.select(hit.transform.gameObject); // (auto deselect previous selection)
}
ui_h.updateItemSelection();
}
}
else if (UIHandler.selectedItem)
{
useItem = true;
currentTarget = hit.transform.gameObject;
}
else
{
if (Input.GetAxisRaw("Multi Select") != 1)
{
uh.deselectAll();
}
ui_h.isInspectorModeActivated = false;
}
} // end button down
#endregion
// reset drag box
if (Input.GetButtonUp("Fire1"))
{
dragBox.width = 0;
dragBox.height = 0;
dragOrigin = -Vector2.one;
isDragging = false;
}
#region Left Click - Drag
// Dragging
if (Input.GetButton("Fire1"))
{
isDragging = dragBox.width > dragActivationBound || dragBox.height > dragActivationBound;
dragBox = new Rect(dragOrigin.x, MouseYToRect(dragOrigin.y), Input.mousePosition.x - dragOrigin.x, MouseYToRect(Input.mousePosition.y) - MouseYToRect(dragOrigin.y));
if (dragBox.width < 0)
{
dragBox.x += dragBox.width;
dragBox.width = -dragBox.width;
}
if (dragBox.height < 0)
{
dragBox.y += dragBox.height;
dragBox.height = -dragBox.height;
}
for (int i = 0; i < uh.size; i++)
{
Vector3 screenPos = Camera.main.WorldToScreenPoint(uh[i].transform.position);
Vector2 screenPoint = new Vector2(screenPos.x, Screen.height - screenPos.y);
if (dragBox.Contains(screenPoint))
{
uh.selectWithoutAutoDeselect(uh[i]);
}
else
{
if (isDragging)
{
uh.deselect(uh[i]);
}
}
}
} // end LEFT CLICK
#endregion
#region Right Click
if (Input.GetButtonDown("Fire2"))
{
ui_h.isInspectorModeActivated = false; // right clicking terminates inspector mode
UIHandler.selectedItem = null; // right clicking terminates current Item
// Handling the movement of multiple units. If more than 1 is moved, than increase the stoppingDistance, so that they won't run into each other
if (uh.numberOfUnitSelected > 1)
{
for (int i = 0; i < uh.size; i++)
{
if (uh.isSelected(uh[i]))
{
uh[i].GetComponent <NavMeshAgent>().stoppingDistance = uh[i].GetComponent <NavMeshAgent>().radius *uh.numberOfUnitSelected - 1;
}
}
}
else
{
if (uh.CurrentUnit != null)
{
uh.CurrentUnit.GetComponent <NavMeshAgent>().stoppingDistance = 0;
}
}
}
#endregion
}
}