---
--- Generated by EmmyLua(https://github.com/EmmyLua)
--- Created by xxn.
--- DateTime: 2021/1/7 14:30
---
---@class BehaviorTree
BehaviorTree = class()
local this = BehaviorTree
---@type table<number,BehaviorTree>
this.bts = {}
---@param root BehaviorNode
function BehaviorTree:ctor(root, owner)
    self.root = root 			--行为树根节点
    self.root:SetOwner(owner)
end

function this.UpdateAll()
    for k, v in pairs(this.bts) do
        v:Update()
    end
end

function BehaviorTree:Update()
    
    self.root:Visit()
    self:HandleStatus()
    self.root:SaveStatus()
    self.root:Step()
end

function BehaviorTree:Reset()
    self.root:Reset()
end

function BehaviorTree:Stop()
    self.root:Stop()
end

function BehaviorTree:HandleStatus()
    if self.statusCallback and self.root.status == self.status then
        self.statusCallback()
    end
end

function BehaviorTree:SetStateCallback(callback, status)
    self.statusCallback = callback
    self.status = status
end

function BehaviorTree:Start()
    --local function StartBehaviorTree()
    --    
    --    while true do
    --        self:Update()
    --        Coroutine.WaitForEndOfFrame()
    --    end
    --
    --end
    if not table.contains(this.bts,self) then
        table.insert(this.bts,self)
    end
   
    self.isStart = true
    --if self.loopBehavior == nil then
    --    self.loopBehavior = Coroutine.Start(StartBehaviorTree)
    --end
end

function BehaviorTree:Cancel()
    self:Reset()
    self.isStart = false
    --if self.loopBehavior then Coroutine.Stop(self.loopBehavior) self.loopBehavior = nil end
    table.removeByValue(this.bts,self)
end

function BehaviorTree:IsUpdateIn()
    --return self.loopBehavior and true or false
    return self.isStart
end