// 返回 running 状态的节点
void VisitChildren(BehaviourTreeRunner runner, BTNodeBase root)
{
BTNodeBase tmp = root;
BTNodeBase child;
BTNodeBase parent;
while (tmp != null)
{
child = tmp.ChildForVisit;
if (child == null)
{
if (tmp.State == EBTTaskState.running)
{
RuntimeNode = tmp;
return;
}
tmp.Cleanup(runner);
parent = tmp == mRoot ? null : tmp.ParentNode;
if (parent != null)
{
RuntimeNode = parent;
parent.ReturnWithState(runner, tmp.State);
}
tmp = parent;
}
else
{
RuntimeNode = child;
child.Visit(runner);
tmp = child;
}
}
RuntimeNode = null;
}
public virtual void SetChild(int index, BTNodeBase node)
{
if (node != null)
{
node.ParentNode = this;
mChildren[index] = node;
}
}
public override void SetChild(int index, BTNodeBase node)
{
base.SetChild(index, node);
if (node != null)
{
mLoopers[index] = new BehaviourLooper(node);
}
}
//public void ResetTreeState()
//{
// ResetTreeStateRecursive(mRoot);
// IsComplate = mRoot == null;
//}
//void ResetTreeStateRecursive(BTNodeBase root)
//{
// if (root == null)
// return;
// root.Reset();
// for(int i = 0; i < root.ChildLength; i++)
// {
// ResetTreeStateRecursive(root.ChildAt(i));
// }
//}
public void Abort(BehaviourTreeRunner btree)
{
BTNodeBase node = RuntimeNode;
while (node != null)
{
node.Abort(btree);
if (node == mRoot)
{
break;
}
node = node.ParentNode;
}
}
public BTNodeBase Instantiate(BehaviourTreeRunner btree, BehaviourTreeAsset asset)
{
BTNodeBase node = null;
if (m_Type == EBTNodeType.task)
{
node = new BTTask(m_Id, BehaviourLibrary.NewTask(m_Name, m_Id));
}
else if (m_Type == EBTNodeType.controller)
{
node = BehaviourLibrary.NewController(m_Name, m_Id);
}
if (node != null)
{
node.InitData(btree, m_JsonData);
node.InitDecoratorSize(m_Conditions == null ? 0 : m_Conditions.Length, m_Children == null ? 0 : m_Children.Length, m_Services == null ? 0 : m_Services.Length);
for (int i = 0; i < node.ConditionLength; i++)
{
BTData data = asset.GetDataById(m_Conditions[i]);
if (data == null)
{
continue;
}
node.SetNotFlag(i, data.m_NotFlag);
BTConditionBase cond = BehaviourLibrary.NewCondition(data.m_Name, data.m_Id);
if (cond != null)
{
cond.OnInitData(btree, data.m_JsonData);
node.SetCondition(i, cond);
}
}
for (int i = 0; i < node.ServiceLength; i++)
{
BTData data = asset.GetDataById(m_Services[i]);
if (data == null)
{
continue;
}
BTServiceBase serv = BehaviourLibrary.NewService(data.m_Name, data.m_Id);
if (serv != null)
{
serv.OnInitData(btree, data.m_JsonData);
node.SetService(i, serv);
}
}
}
return(node);
}
private BTNodeBase FindNodeRecursize(int nodeId, BTNodeBase root)
{
if (root == null || root.NodeId == nodeId)
{
return(root);
}
for (int i = 0; i < root.ChildLength; i++)
{
BTNodeBase node = FindNodeRecursize(nodeId, root.ChildAt(i));
if (node != null)
{
return(node);
}
}
return(null);
}
public override void OnInitData(BehaviourTreeRunner btree, string jsonData)
{
JObject obj = JsonConvert.DeserializeObject <JObject>(jsonData);
mAssetPath = obj.Value <string>("asset");
BehaviourTreeAsset asset = Resources.Load <BehaviourTreeAsset>(mAssetPath);
if (!asset)
{
Debug.LogError("Can't load behaviour asset: " + mAssetPath);
return;
}
BTNodeBase tree = asset.CreateBehaviourTree(btree);
mLooper = new BehaviourLooper(tree);
}
BTNodeBase InstBTNode(BehaviourTreeRunner btree, BTData info)
{
BTNodeBase node = info.Instantiate(btree, this);
if (node != null)
{
for (int i = 0; i < info.m_Children.Length; i++)
{
BTData child = GetDataById(info.m_Children[i]);
if (child != null)
{
BTNodeBase cnode = InstBTNode(btree, child);
node.SetChild(i, cnode);
}
}
}
return(node);
}
public void SetAsset(BehaviourTreeAsset behaviourAsset)
{
if (behaviourAsset == mAsset)
{
return;
}
mAsset = behaviourAsset;
if (mAsset != null)
{
mRootNode = mAsset.CreateBehaviourTree(this);
mLooper = new BehaviourLooper(mRootNode);
}
else
{
mRootNode = null;
mLooper = null;
}
}
/// <summary>
/// 构造行为树
/// </summary>
/// <param name="runner"></param>
/// <returns></returns>
public BTNodeBase CreateBehaviourTree(BehaviourTreeRunner runner)
{
BTData root = GetDataById(m_RootNodeId);
if (root == null)
{
return(null);
}
try
{
BTNodeBase rootNode = InstBTNode(runner, root);
return(rootNode);
}
catch (System.Exception e)
{
Debug.LogError(e, this);
return(null);
}
}
public BehaviourLooper(BTNodeBase rootNode)
{
mRoot = rootNode;
IsComplate = mRoot == null;
}
public void NotifyBreakCallback(BTNodeBase node)
{
BreakNode = node;
OnBreakCallback(this);
Debug.Break();
}