public override int GetHashCode()
{
// combine the hash codes of all members here (e.g. with XOR operator ^)
return(X.GetHashCode() ^ Y.GetHashCode() ^ Button.GetHashCode() ^ MouseWheel.GetHashCode());
}
void Update()
{
// Released mouse while dragged, confirm selection
if (Input.GetMouseButtonUp(mouseButton.GetHashCode()) && isDragging)
{
isDragging = false;
if (Vector2.Distance(startPoint, Input.mousePosition) < 8)
{
if (!Input.GetKey(multiSelectKey) && !excludedScreenAreas.Contains(Input.mousePosition))
{
DeselectAllObjects();
}
PerformMouseClick();
}
else if (selectedUnits.Count == 0)
{
PerformMouseClick();
}
}
// Check if started dragging
if (Input.GetMouseButtonDown(mouseButton.GetHashCode()) && !excludedScreenAreas.Contains(Input.mousePosition))
{
isDragging = true;
startPoint = Input.mousePosition;
if (!Input.GetKey(multiSelectKey))
{
DeselectAllObjects();
}
}
// Activelly select all units under selection rect
if (isDragging)
{
if (Vector2.Distance(startPoint, Input.mousePosition) < 8)
{
return;
}
Rect rect = ConstructSelectionRect();
IterateAllSelectable((GameObject go) =>
{
Vector3 pos = Camera.main.WorldToScreenPoint(go.transform.position);
pos.y = Screen.height - pos.y;
if (rect.Contains(new Vector2(pos.x, pos.y)))
{
MarkObjectAsSelected(go);
}
else if (!Input.GetKey(multiSelectKey))
{
DeselectObject(go);
}
});
}
#if UNITY_EDITOR
// Regression test for bug when same object can be selected multiple times
if (GetSelectedUnits().Count > Data.GetInstance().GetAllUnits().Length)
{
Debug.LogError("Selected unit count is greater than total unit count on field: "
+ GetSelectedUnits().Count + " > " + Data.GetInstance().GetAllUnits().Length);
}
#endif
}