public void Add(GObject target, RelationType relationType, bool usePercent = false)
{
foreach (RelationItem item in _items)
{
if (item.target == target)
{
item.Add(relationType, usePercent);
return;
}
}
RelationItem newItem = new RelationItem(_owner);
newItem.target = target;
newItem.Add(relationType, usePercent);
_items.Add(newItem);
}
