public IItem AddItem(IsoRect bounds, T content)
{
if (bounds.x.size > 0.0f && bounds.y.size > 0.0f)
{
if (_rootNode == null)
{
var initial_side = IsoUtils.Vec2From(
IsoUtils.Vec2MaxF(bounds.size));
var initial_bounds = new IsoRect(
bounds.center - initial_side * 2.0f,
bounds.center + initial_side * 2.0f);
_rootNode = _nodePool.Take().Init(null, initial_bounds);
}
Item item;
while (!_rootNode.AddItem(bounds, content, out item, _nodePool, _itemPool))
{
GrowUp(
bounds.center.x < _rootNode.SelfBounds.center.x,
bounds.center.y < _rootNode.SelfBounds.center.y);
}
return(item);
}
else
{
return(_itemPool.Take().Init(null, bounds, content));
}
}
public bool AddItem(
IsoRect bounds, T content, out Item item,
IsoIPool <Node> node_pool, IsoIPool <Item> item_pool)
{
if (!SelfBounds.Contains(bounds))
{
item = null;
return(false);
}
for (int i = 0, e = Nodes.Length; i < e; ++i)
{
var node = Nodes[i];
if (node != null)
{
if (node.AddItem(bounds, content, out item, node_pool, item_pool))
{
return(true);
}
}
else if (Items.Count >= MinChildCountPerNode && NodeBounds[i].Contains(bounds))
{
Nodes[i] = node = node_pool.Take().Init(this, NodeBounds[i]);
if (node.AddItem(bounds, content, out item, node_pool, item_pool))
{
return(true);
}
}
}
item = item_pool.Take().Init(this, bounds, content);
Items.Add(item);
return(true);
}
// ---------------------------------------------------------------------
//
// Parents
//
// ---------------------------------------------------------------------
void RegisterIsoObjectParent(IsoObject iso_object)
{
var parent = iso_object ? iso_object.transform.parent : null;
if (parent)
{
ParentInfo parent_info;
if (_parentToParentInfo.TryGetValue(parent, out parent_info))
{
parent_info.IsoObjects.Add(iso_object);
}
else
{
parent_info = _parentInfoPool.Take().Init(parent);
parent_info.IsoObjects.Add(iso_object);
_parentToParentInfo.Add(parent, parent_info);
_parentInfoList.Add(parent_info);
}
_isoObjectToParent.Add(iso_object, parent);
}
}