public void saveTreeData()
{
List <int> treeData = new List <int>();
for (int i = 0; i < nodes.Count; i++)
{
treeData.Add(nodes[i].status);
}
GameStorage.Save <List <int> >(treeData, Application.persistentDataPath + SaveKey.SKILLTREEDATA_KEY);
if (current is SkillNode)
{
SkillNode currentSkillNode = (SkillNode)current;
string companionSkillActionName = currentSkillNode.getActionName();
GameStorage.Save <string>(companionSkillActionName, Application.persistentDataPath + SaveKey.COMPANIONSKILLNAME_KEY);
}
treeData.Clear();
treeData = null;
}