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SpaceCell.cpp
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56 lines (48 loc) · 1.03 KB
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#include "SpaceCell.h"
SpaceCell::SpaceCell()
: parantNode(nullptr)
{
}
SpaceCell::~SpaceCell()
{
if (parantNode != nullptr)
ResetLink(parantNode);
}
bool SpaceCell::Push(SpaceTreeAgent* ot, int key)
{
//nullの登録, 自身の二重登録を防ぐ
if (ot == nullptr)
return false;
if (ot->cell == this)
return false;
if (parantNode == nullptr)
{
parantNode = ot;
}
else
{
//親ノードを更新
ot->next = parantNode;
parantNode->prev = ot;
parantNode = ot;
}
ot->cell = this;
mKey = key;
return true;
}
void SpaceCell::Pop(SpaceTreeAgent* ot)
{
if (ot == nullptr)
return;
//リストから離脱、リンクの次のオブジェクトにすげ替え
if (parantNode == ot)
parantNode = parantNode->next;
}
//リンクを辿ってnullptrを設定していく
void SpaceCell::ResetLink(SpaceTreeAgent* ot)
{
if (ot->next != nullptr){
ResetLink(ot->next);
}
ot = nullptr;
}