public CGameplayTagNode(string InTag, CGameplayTagNode InParentNode)
{
Tag = InTag;
ParentNode = InParentNode;
List <CGameplayTag> ParentCompleteTags = new List <CGameplayTag>();
CGameplayTagNode CurNode = InParentNode;
// 只要有父亲node
while (CurNode.IsValid())
{
ParentCompleteTags.Add(CurNode.GetCompleteTag());
CurNode = CurNode.GetParentTagNode();
}
//完整的tag名称
string CompleteTagString = InTag;
if (ParentCompleteTags.Count > 0)
{
CompleteTagString = string.Format("{0}.{1}", ParentCompleteTags[0].GetTagName(), InTag);
}
CGameplayTag tag = new CGameplayTag(CompleteTagString);
CompleteTagWithParents.GameplayTags.Add(tag);
CompleteTagWithParents.ParentTags.AddRange(ParentCompleteTags);
}
/**
* Helper function to insert a tag into a tag node array
*
* @param Tag Tag to insert
* @param ParentNode Parent node, if any, for the tag
* @param NodeArray Node array to insert the new node into, if necessary (if the tag already exists, no insertion will occur)
* @return Index of the node of the tag
*/
private int InsertTagIntoNodeArray(string Tag, CGameplayTagNode ParentNode, List <CGameplayTagNode> NodeArray)
{
int InsertionIdx = -1;
int WhereToInsert = -1;
// See if the tag is already in the array
for (int CurIdx = 0; CurIdx < NodeArray.Count; ++CurIdx)
{
var node = NodeArray[CurIdx];
if (!node.IsValid())
{
continue;
}
if (node.GetSimpleTagName() == Tag)
{
InsertionIdx = CurIdx;
break;
}
if (WhereToInsert == -1)
{
int v = string.CompareOrdinal(node.GetSimpleTagName(), Tag);
// Insert new node before this
if (v > 0)
{
WhereToInsert = CurIdx;
}
}
}
if (InsertionIdx != -1)
{
return(InsertionIdx);
}
// Insert at end
if (WhereToInsert == -1)
{
WhereToInsert = NodeArray.Count;
}
// Don't add the root node as parent
CGameplayTagNode TagNode = new CGameplayTagNode(Tag, ParentNode != GameplayRootTag ? ParentNode : null);
// Add at the sorted location
NodeArray.Insert(WhereToInsert, TagNode);
InsertionIdx = WhereToInsert;
CGameplayTag GameplayTag = TagNode.GetCompleteTag();
GameplayTagNodeMap.Add(GameplayTag.GetTagName(), TagNode);
return(1);
}
/// <summary>
/// 在node树中查找传入tag对应的container, 此container仅包含传入的tag
/// </summary>
public CGameplayTagContainer GetSingleTagContainer(CGameplayTag GameplayTag)
{
CGameplayTagNode node = FindTagNode(GameplayTag);
if (node.IsValid())
{
return(node.GetSingleTagContainer());
}
return(null);
}
/// <summary>
/// 获取传入tag所有的子tag组成的container, 不包含传入tag
/// 例如传入a.b, 则返回的conatiner包含a.b.c, a.b.d, a.b.c.e
/// </summary>
public CGameplayTagContainer RequestGameplayTagChildren(CGameplayTag GameplayTag)
{
CGameplayTagContainer TagContainer = new CGameplayTagContainer();
CGameplayTagNode GameplayTagNode = FindTagNode(GameplayTag);
if (GameplayTagNode.IsValid())
{
AddChildrenTags(TagContainer, GameplayTagNode, true, true);
}
return(TagContainer);
}
/**
* 返回直系的父亲
* calling on x.y will return x
*/
public CGameplayTag RequestGameplayTagDirectParent(CGameplayTag GameplayTag)
{
CGameplayTagNode GameplayTagNode = FindTagNode(GameplayTag);
if (!GameplayTagNode.IsValid())
{
return(null);
}
var parent = GameplayTagNode.GetParentTagNode();
if (parent.IsValid())
{
return(parent.GetCompleteTag());
}
return(null);
}
/** 构建整个 tag 树*/
public void ConstructGameplayTagTree()
{
if (!GameplayRootTag.IsValid())
{
return;
}
CGameplayTagNode currNode = GameplayRootTag;
foreach (var item in GameplayTagTables)
{
var subTags = item.SubTags;
for (int i = 0; i < subTags.Count; i++)
{
List <CGameplayTagNode> childTags = currNode.GetChildTagNodes();
int insertIndex = InsertTagIntoNodeArray(subTags[i], currNode, childTags);
currNode = childTags[insertIndex];
}
}
}
/// <summary>
/// 将GameplayTagNode的children node对应的tag添加到TagContainer中去
/// RecurseAll表示在树状节点中, 就添加一层child还是循环一直往下找
/// </summary>
private void AddChildrenTags(CGameplayTagContainer TagContainer, CGameplayTagNode GameplayTagNode,
bool RecurseAll = true, bool OnlyIncludeDictionaryTags = false)
{
if (!GameplayTagNode.IsValid())
{
return;
}
var ChildrenNodes = GameplayTagNode.GetChildTagNodes();
foreach (CGameplayTagNode ChildNode in ChildrenNodes)
{
if (!ChildNode.IsValid())
{
continue;
}
TagContainer.AddTag(ChildNode.GetCompleteTag());
if (RecurseAll)
{
AddChildrenTags(TagContainer, ChildNode, true, OnlyIncludeDictionaryTags);
}
}
}
/// <summary>
/// 找到tag对应的node
/// </summary>
public CGameplayTagNode FindTagNode(CGameplayTag GameplayTag)
{
CGameplayTagNode Node = GameplayTagNodeMap[GameplayTag.GetTagName()];
return(Node);
}