SourceOperateTargetAction = SourceOperateTargetAction or BaseClass(SourceOperateMove)
local SourceOperateTargetAction = SourceOperateTargetAction


--[[@
功能:	SourceOperateTargetAction的初始化函数
参数:	
		target_compress_id 目标的压缩ID int32
		range 范围 numeric
		action_func 动作函数 function
		action_period_func 动作周期函数,获取执行动作的周期 function
		action_end_func 结束动作的条件 function
		clear_func 清理函数 function
返回值:
		无
其它:	无
作者:	deadline
]]
function SourceOperateTargetAction:__init(target_compress_id, range, action_func, action_period_func, action_end_func, clear_func,scene_obj)
	self.type = OperateManager.SourceOperateType.TargetAction

	self.init_time = 0
	self.target_compress_id = target_compress_id
	self.range = range
	
	self.action_func = action_func
	self.action_period_func = action_period_func
	self.action_end_func = action_end_func
	self.clear_func = clear_func
	self.scene_obj = scene_obj

	self.is_path_valid = false
	self.path_list = nil

	self.total_pair = 0

	--最后一次动作时间
	self.last_action_time = 0
end

function SourceOperateTargetAction:__delete(  )
	if self.clear_func ~= nil then
		self.clear_func()
	end
end

function SourceOperateTargetAction:GetTargetObj(  )
	return Scene.Instance:GetObjByCompressedId(self.target_compress_id)
end

--[[@
功能:	执行初始化操作, 产生一些基准数据
参数:	
		无
返回值:
		为true表示初始化成功, 为false表示初始化失败
其它:	无
作者:	deadline
]]
function SourceOperateTargetAction:Init()
	self.init_time = Status.NowTime
	self.path_list = {}
	
	--查看目标对象是否在场景中
	local obj = self:GetTargetObj()
	if obj == nil then
		--print("SourceOperateTargetAction:Init can not find target obj")
		return false
	end

	--print("target action init suc!")
	return true
end

--[[@
功能:	用于从SourceOperate中获取一个NowOperate控制角色行为
参数:	
		无
返回值:
		当前操作包 NowOperate 
其它:	无
作者:	deadline
]]
function SourceOperateTargetAction:GetOperImpl()
	--print("excute target action")

	local now_oper = nil
	local now_time = Status.NowTime

	--判断目标对象是否已经不存在
	local target_obj = self:GetTargetObj()
	if target_obj == nil then
		self.is_finish = true
		--print("target action can not find target!")
		-- GlobalEventSystem:Fire(SceneEventType.ACTION_TARGET_MISSING)
		--目标不存在会导致auto_find_way不会重置
		local scene_obj = self.scene_obj or Scene.Instance:GetMainRole()	
		if scene_obj and scene_obj:GetType() == SceneBaseType.MainRole then
			GlobalEventSystem:Fire(EventName.FINDWAY_ENDED)
		end
		return self:GenerateNop(0.2)
	end

	--重新以主角当前位置作为寻路起始位置
	local scene_obj = self.scene_obj or Scene.Instance:GetMainRole()		

	local x1, y1 = scene_obj:GetRealPos()
	local x2, y2 = target_obj:GetRealPos()
	-- local distance = dir:length()
	local distance = GameMath.GetDistance(x1, y1, x2, y2, false)
	--print("= = = = SourceOperateTargetAction: dist:", distance, self.range)
	--距离在可动作范围内
	if distance <= self.range * self.range then
		--在这停止移动
		if scene_obj:GetType() == SceneBaseType.MainRole then
			local real_pos = co.Vector2(scene_obj:GetRealPos())
			if scene_obj.move_flag == MOVE_TYPE.ACCELERATE then 
				EventSystem.Fire(GlobalEventSystem, SceneEventType.MOVEREQUEST, real_pos.x, real_pos.y, MOVE_TYPE.ACCELERATE)
			else
				EventSystem.Fire(GlobalEventSystem, SceneEventType.MOVEREQUEST, real_pos.x, real_pos.y, MOVE_TYPE.NORMOL_MOVE)
			end
		end
		local dir = co.TempVector2(x2-x1, y2-y1)

		scene_obj:SetDirection(dir)

		scene_obj:WaitForNextMove()

		-- print(string.format("= = = = Action_func():(%.2f, %.2f), (%.2f, %.2f)", start_logic_pos.x, start_logic_pos.y, end_logic_pos.x, end_logic_pos.y))
		if self.action_func then
			self.action_func()	--执行相关动作
		end
		self.last_action_time = Status.NowTime
		now_oper = self:GenerateNop(0.2)
		self.is_finish = true
		dir:DeleteV()
	else
		--当前的起始坐标和终点坐标，必须用RealPos计算才能准确
		local start_logic_pos = co.Vector2(scene_obj:GetLogicPos())
		local end_logic_pos = co.Vector2(target_obj:GetLogicPos())

		--范围外,执行寻路		
		-- if not self.is_path_valid or self.now_use_pair > self.total_pair then
			--重新计算路径
			self.path_list 	= {}
			-- print("= = = = 重新寻路")
			if not self:RecalcPathInfo(start_logic_pos, end_logic_pos, 0) then
				self.is_finish = true
				print("计算路径失败直接停止该操作包")
				return self:GenerateNop(0.2)		--计算路径失败直接停止该操作包(怪卡障碍点或者自己卡障碍点)
			end
		-- end

		--取出下一个小路径执行
		local move_pair = self.path_list[self.now_use_pair]
		if move_pair == nil then
			self.is_finish = true
			return self:GenerateNop(0.2)
		end

		-- print(string.format("= = = new pair:%d (%.2f, %.2f) (%.2f, %.2f)", self.now_use_pair, move_pair.start_point.x, move_pair.start_point.y, move_pair.end_point.x, move_pair.end_point.y))
		now_oper = NowOperateTargetMove.New(now_time, move_pair.start_point, move_pair.end_point, target_obj, self.range,scene_obj)
		self.now_use_pair = self.now_use_pair + 1
	end
	return now_oper
end