//----------------------------------------------------------------------------
MovablePtr Node::SetChild (int i, Movable* child)
{
if (child)
{
assertion(!child->GetParent(), "The child already has a parent.\n");
}
const int numChildren = (int)mChild.size();
if (0 <= i && i < numChildren)
{
// 将旧的孩子移除
MovablePtr previousChild = mChild[i];
if (previousChild)
{
previousChild->SetParent(0);
}
// 插入新的孩子到空位
if (child)
{
child->SetParent(this);
}
mChild[i] = child;
return previousChild;
}
// 孩子超出范围，将其插入到孩子队列末尾
if (child)
{
child->SetParent(this);
}
mChild.push_back(child);
return 0;
}
//----------------------------------------------------------------------------
void Node::DetachAllChildren ()
{
for (int i=0; i<(int)mChild.size(); i++)
{
MovablePtr child = mChild[i];
if (child)
{
child->SetParent(0);
mChild[i] = 0;
}
}
}
//----------------------------------------------------------------------------
MovablePtr Node::DetachChildAt (int i)
{
if (0 <= i && i < (int)mChild.size())
{
MovablePtr child = mChild[i];
if (child)
{
child->SetParent(0);
mChild[i] = 0;
}
return child;
}
return 0;
}
//----------------------------------------------------------------------------
void Node::DetachAllChildren ()
{
for (int i=0; i<(int)mChild.size(); i++)
{
MovablePtr child = mChild[i];
if (child)
{
child->SetParent(0);
OnChildRemoved(child);
mChild[i] = 0;
}
}
mIsNeedCalUpdateChild = true;
}
//----------------------------------------------------------------------------
MovablePtr Node::DetachChildAt (int i)
{
if (0 <= i && i < (int)mChild.size())
{
MovablePtr child = mChild[i];
if (child)
{
child->SetParent(0);
OnChildRemoved(child);
mChild[i] = 0;
mIsNeedCalUpdateChild = true;
}
return child;
}
return 0;
}
//----------------------------------------------------------------------------
bool Node::DetachChildByName (const std::string &name)
{
for (int i=0; i<(int)mChild.size(); i++)
{
MovablePtr child = mChild[i];
if (child != 0 && child->GetName() == name)
{
child->SetParent(0);
OnChildRemoved(child);
mChild[i] = 0;
mIsNeedCalUpdateChild = true;
return true;
}
}
return false;
}