local UIVirtualController = UIViewClass()
local EventSystem = require('Event/EventSystem')
local LuaConst=LuaConst
local VECTORFAR = Vector3.New(9999, 9999, 0)
local MaxRadius = 110
local HalfMaxRadius = 80
local Vector3Up = Vector3.up
local Vector3Zero = Vector3.New(0, 0, 0)
local ColorHalf = Color.New(1,1,1,0.5)
local ColorOne = Color.New(1,1,1,1)
local StartPntX = 0
local StartPntY = 0
local StartPntZ = 0
local StartTouchRelativePos = Vector3.New(0, 0, 0)
local Vector3TempDir = Vector3.New(0, 0, 0)
local Quaternion=Quaternion
local KeyBoardDragRadius=40
local VECTORINIT = {
	x = 400,y = 250,z = 0
}

--初始拖动距离跟MaxRadius的比值小于这个值，不移动
local torleranceRatio = 0.08

function UIVirtualController:OnCreated()
	self.thisTrans=self.gameObject.transform
	--以下为变量
	self.sprite_Fore_Transform=self.sprite_Fore.transform
	self.sprite_Back_Transform=self.sprite_Back.transform
	self.sprite_Direction_Transform=self.sprite_Direction.transform
	self.curEventPos=Vector3.New(0,0,0)
	self.KeyboardEventData= { position = Vector3.New(0,0,0) }
	self.isCheatModel = UIModelComponent.IsCheatModel
	
	self.skillJoyStickData = nil -- 控制技能摇杆的技能摇杆数据

	self.CameraCtrl = CameraController.Instance
	self.isShowCameraChange = true
	self.callBack_PatternChange = function(show,free) self:SetCameraChangeButton(show,free) end
	self.isFocus = false
end

function UIVirtualController:OnOpened()
	self.Vector3Temp = Vector3.New(0, 0, 0)
	self.moving = false
	self.alwaysShowStick = false
	self.needToWorldDir = true -- 需要转换为世界朝向

	if self.alwaysShowStick then
		self:ControllerSetActive(true);
		UIUtils.SetImageColor(self.sprite_Back , ColorHalf)
		UIUtils.SetImageColor(self.sprite_Fore , ColorHalf)
	else
		self:ControllerSetActive(false);
		UIUtils.SetImageColor(self.sprite_Back , ColorOne)
		UIUtils.SetImageColor(self.sprite_Fore , ColorOne)
	end
	self.sprite_Direction_Transform:SetLocalPosition(VECTORFAR.x, VECTORFAR.y, VECTORFAR.z)

	if LogicUpdateManager._curEntity then
		local carEntity = LogicUpdateManager._curEntity.components.drive:GetDrivedEntity()
		if carEntity then
			self:DriveCar(carEntity, LogicUpdateManager._curEntity)
		end		
	end

	self:UpdateHorseBtnState()
	
	--event
	self:RegistSystemEvent(EventID.TimeLine_Update, self.OnTimeLine)
	self:RegistTriggerEvent(self.event_Collider,UIEventTriggerType.PointerDown)
	self:RegistTriggerEvent(self.event_Collider, UIEventTriggerType.Drag)
	self:RegistTriggerEvent(self.event_Collider, UIEventTriggerType.EndDrag)
	self:RegistTriggerEvent(self.event_Collider,UIEventTriggerType.PointerUp)
	self:RegistSystemEvent(EventID.UI_OnHorse, self.OnHorse)	

	self:RegistSystemEvent(EventID.Player_DriveEntity, self.DriveCar)
	self:RegistSystemEvent(EventID.Player_OffDriveEntity, self.OffCar)
	self:RegistSystemEvent(EventID.UI_VirtualJoystick_Show, self.ShowJoystick)
	self:RegistSystemEvent(EventID.FunctionUnlockUpdate, self.UpdateHorseBtnState)
	self:RegistSystemEvent(EventID.Level_HideHorseInput, self.HideHorseBtn)
	self:RegistSystemEvent(EventID.UI_KeyboardControl_MoveDir, self.SetMovingDir)
	self:RegistSystemEvent(EventID.UI_KeyboardControl_MoveRelease, self.EndMovingDir)

	self:RegistTriggerEvent(self.event_Accelerator,UIEventTriggerType.PointerDown)
	self:RegistTriggerEvent(self.event_Accelerator,UIEventTriggerType.PointerUp)
	self:RegistSystemEvent(EventID.UI_EnterCheatModel, self.EnterCheatModel)
	self:RegistSystemEvent(EventID.UIBattle_MainPlayerAutoFightChanged, self.OnAutoFightStateChanged)
	self:RegistSystemEvent(EventID.UIBattle_SkillBtn_InitStaticJoy,self.ShowStaticJoySkillRange)

	self:RegistSystemEvent(EventID.Camera_TargetChangePattern, self.OnCameraTargetPatternChange)
	self:RegistSystemEvent(EventID.Camera_TargetEnd, self.OnCameraTargetEnd)
	self.CameraCtrl:AddPatternCallBack(self.callBack_PatternChange)
	self.CameraCtrl:RefreshPatternSystem()
end

function UIVirtualController:UpdateHorseBtnState()
	if LevelManager.IsMonsterTest() then -- 实验室强制开骑马
		UIUtils.SetActive(self.event_Horse,true)
		UIUtils.SetActive(self.sprite_HorseOn,true)
		UIUtils.SetActive(self.sprite_HorseOff,false)
		return 
	end
	
	if LevelManager.CurLevelCanRideHorse() and MDL.Unlock.IsUnlock(MDL.Unlock.FunctionType.WarHorse) then
		UIUtils.SetActive(self.event_Horse,true)
		local isRide = LogicUpdateManager._curEntity and LogicUpdateManager._curEntity.components.buff:CheckHasBuffState(LuaConst.SpecialBuffs.InRiding) or false
		if isRide then
			UIUtils.SetActive(self.sprite_HorseOn,false)
			UIUtils.SetActive(self.sprite_HorseOff,true)
		else
			UIUtils.SetActive(self.sprite_HorseOn,true)
			UIUtils.SetActive(self.sprite_HorseOff,false)
		end
	else
		UIUtils.SetActive(self.event_Horse,false)
	end
end

function UIVirtualController:HideHorseBtn(hide)
	if hide then
		UIUtils.SetActive(self.event_Horse,false)
	else
		self:UpdateHorseBtnState()
	end
end

function UIVirtualController:OnTimeLine(value)
	if value  then
		self:EnableInput()
	else
		self:DisableInput()
	end
end

function UIVirtualController:OnClosed()
	self:Stop()
	self.CameraCtrl:RemovePatternCallBack(self.callBack_PatternChange)
end

function UIVirtualController:OnFocusChanged(value)
	if value then
		self.isFocus=true
	else
		self:Stop()
		self.isFocus=false
	end
end

--region --************** Move **************--
function UIVirtualController:Move(eventDataPos)
	--region 拦截条件
	--判断界面isFocus
	if not self.isFocus and not self.isCheatModel then
		return
	end
	--判断角色存活
	local curEntity = BattleDataGetter.GetCurEntity()
	if not curEntity or not curEntity:IsAlive() then
		return
	end
	--判断组队跟随中
	if MDL.Team.IsFollowing() then
		CTL.Tips.AddTipsMsg(Const_IDS["IDS_Team_FollowCanNotDoThis"])
		return
	end
	--endregion 拦截条件
	

	if BattleDataGetter.IsOnlineTownLevel() and BattleDataGetter.GetAutoFindPathInTownState() then
		NotSyncBattleSetter.StopAutoFightPathInTown()
	end
	
	EventSystem.Dispatch(EventID.UI_VirtualController_Move)

	if not self.moving then
		self.moving = true
		if self.alwaysShowStick then
			UIUtils.SetImageColor(self.sprite_Fore,ColorOne)
			UIUtils.SetImageColor(self.sprite_Back,ColorOne)
		end
		self:StartRepeatFunc(self.OnLateUpdateFun, 0, -1, false)
	else
		self:Moving(eventDataPos)
	end
end

function UIVirtualController:ShowStick(eventDataPos)
	--判断界面isFocus
	if not self.isFocus and not self.isCheatModel then
		return
	end
	--判断角色存活
	local curEntity = BattleDataGetter.GetCurEntity()
	if not curEntity or not curEntity:IsAlive() then
		return
	end
	local touchPos
	if eventDataPos then
		touchPos = eventDataPos
	else
		touchPos = UnityEngine.Input.mousePosition
	end
	
	StartPntX,StartPntY,StartPntZ = self:GetPositionBasedOnWidth(touchPos)
	self.sprite_Back_Transform:SetLocalPosition(StartPntX,StartPntY,StartPntZ)
	self.sprite_Fore_Transform:SetLocalPosition(Vector3Zero.x,Vector3Zero.y,Vector3Zero.z)

	if self.skillJoyStickData then -- 控制技能时
		EventSystem.Dispatch(EventID.UIBattle_StaticSkillJoy_PointerDown)
		EventSystem.Dispatch(EventID.UIBattle_StaticSkillJoy_Drag, self.event_Collider, {position = touchPos}, self.skillJoyStickData, curEntity:GetSkillData(self.skillJoyStickData.ID))
	end

end


function UIVirtualController:Stop()
	local curEntity = BattleDataGetter.GetCurEntity()
	if not curEntity or not curEntity:IsAlive() then
		return
	end
	LuaInputManager.SetVirtualMoveDir(0,0);
	LuaInputManager.SetVirtualMoveHalf(false)

	self.moving = false
	self.moved = false

	self.sprite_Direction_Transform:SetLocalPosition(VECTORFAR.x, VECTORFAR.y, VECTORFAR.z)

	if self.alwaysShowStick then
		self.sprite_Back_Transform:SetAnchoredPosition(VECTORINIT.x, VECTORINIT.y)
		self.sprite_Fore_Transform:SetLocalPosition(Vector3Zero.x,Vector3Zero.y,Vector3Zero.z)
		UIUtils.SetImageColor(self.sprite_Back ,ColorHalf)
		UIUtils.SetImageColor(self.sprite_Fore , ColorHalf)
	else
		self:ControllerSetActive(false)
	end
	self:StopRepeatFunc(self.OnLateUpdateFun)
	
	if self.skillJoyStickData then -- 控制技能时
		EventSystem.Dispatch(EventID.UIBattle_StaticSkillJoy_EndDrag, nil, nil, self.skillJoyStickData)
		EventSystem.Dispatch(EventID.UIBattle_StaticSkillJoy_PointerUp)
	end
end


function UIVirtualController:GetPositionBasedOnWidth(screenPosition)
	local vector3TempX,vector3TempY,vector3TempZ = UIUtils.GetPositionBasedOnWidth(self.thisTrans,screenPosition,nil,nil,nil)
	self.Vector3Temp:Set(vector3TempX, vector3TempY, vector3TempZ)
	return vector3TempX,vector3TempY,vector3TempZ
end

function UIVirtualController:Moving(touchPos)
	if self.moving then
		local curPosX,curPosY,curPosZ = self:GetPositionBasedOnWidth(touchPos)
		Vector3TempDir:Set(curPosX - StartPntX, curPosY - StartPntY, curPosZ - StartPntZ)
		
		local dist = (Vector3TempDir - StartTouchRelativePos).magnitude

		self.Vector3Temp:Set(Vector3TempDir.x,Vector3TempDir.y,Vector3TempDir.z)
		self.Vector3Temp:SetNormalize():Mul(math.min(dist, MaxRadius))

		self.sprite_Fore_Transform:SetLocalPosition(self.Vector3Temp.x, self.Vector3Temp.y, self.Vector3Temp.z)

		local halfDis = dist < HalfMaxRadius

		if self.antiShake then
			local tan = Vector3TempDir.x / Vector3TempDir.y
			if math.abs(tan) < 0.06 then  -- 0.176 = tan(10)  --0.06 =tan(3.5)
				Vector3TempDir.x = 0
			end
		end

		if self.needToWorldDir then
			local vector3TempX, vector3TempY,vector3TempZ = UIUtils.CameraTransformDirection(Vector3TempDir.x,0,Vector3TempDir.y,nil,nil,nil)
			self.Vector3Temp:Set(vector3TempX, vector3TempY,vector3TempZ)

			if self.moved or dist >= MaxRadius * torleranceRatio then
				self.moved = true
				LuaInputManager.SetVirtualMoveDir(self.Vector3Temp.normalized.x, self.Vector3Temp.normalized.z)
				LuaInputManager.SetVirtualMoveHalf(halfDis)
				self:UpdateDirectionSprite(Vector3TempDir)
			end
		else			
			if self.moved or dist >= MaxRadius * torleranceRatio then
				self.moved = true
				LuaInputManager.SetVirtualMoveDir(self.Vector3Temp.normalized.x, self.Vector3Temp.normalized.y)
				LuaInputManager.SetVirtualMoveHalf(halfDis)
				self:UpdateDirectionSprite(Vector3TempDir)
			end
		end
	end
end

function UIVirtualController:SetMovingDir(dx,dy)
	if self.skillJoyStickData then
		if not self.moving then
			self.KeyboardEventData.position.x = 200
			self.KeyboardEventData.position.y = 200
			self:ShowStick(self.KeyboardEventData.position)
		else
			self.KeyboardEventData.position.x = dx * KeyBoardDragRadius * 2 + 200
			self.KeyboardEventData.position.y = dy * KeyBoardDragRadius * 2 + 200
			EventSystem.Dispatch(EventID.UIBattle_StaticSkillJoy_Drag, self.event_Collider, self.KeyboardEventData, self.skillJoyStickData, BattleDataGetter.GetCurSkillUIEntity():GetSkillData(self.skillJoyStickData.ID))
		end
	else
		self.KeyboardEventData.position.x = 200
		self.KeyboardEventData.position.y = 200
		self:ShowStick(self.KeyboardEventData.position)
		EventSystem.Dispatch(EventID.UI_Guide_VirtualJoystick_PointerDown)
	end
	self.curEventPos:Set(dx * KeyBoardDragRadius + 200, dy * KeyBoardDragRadius + 200, 0)
	self:Move(self.curEventPos)
end

function UIVirtualController:EndMovingDir()
	self:Stop()
end

function UIVirtualController:UpdateDirectionSprite(dir)
	if dir.x == 0 and dir.y == 0 then
		self.sprite_Direction_Transform:SetLocalPosition(VECTORFAR.x, VECTORFAR.y, VECTORFAR.z)
		return
	end
	self.Vector3Temp:Set(dir.x,dir.y,0)
	local q = Quaternion.FromToRotation(Vector3Up, self.Vector3Temp):ToEulerAngles()
	self.sprite_Direction_Transform:SetLocalEulerAngles(q.x,q.y,q.z)
	self.sprite_Direction_Transform:SetLocalPosition(0,0,0)
end

function UIVirtualController:ControllerSetActive(isActive)
	local vector3 = isActive and VECTORINIT or VECTORFAR
	self.sprite_Back_Transform:SetAnchoredPosition(vector3.x, vector3.y, vector3.z)
end

--endregion --************** Move **************--

function UIVirtualController:OnButtonClicked(comp)
	if comp==self.event_CameraChange then
		self.CameraCtrl:ChangeFreePattern(false)
		self.CameraCtrl:SetRecordFreeInfo()
	elseif comp == self.event_Horse then
		self.OnClickHorse()		
	end
end

function UIVirtualController:OnPointerDown(comp, eventData)
	if comp == self.event_Collider then
		self:ShowStick(eventData.position)
		EventSystem.Dispatch(EventID.UI_Guide_VirtualJoystick_PointerDown)
	elseif comp == self.event_Accelerator then
		LuaInputManager.StepOnAccelerator()
	end
end

function UIVirtualController:OnDrag(comp, eventData)
	if comp == self.event_Collider then
		self.curEventPos:Set(eventData.position.x, eventData.position.y, eventData.position.z)
		self:Move(eventData.position)

		if self.skillJoyStickData then
			EventSystem.Dispatch(EventID.UIBattle_StaticSkillJoy_Drag, comp, eventData, self.skillJoyStickData, BattleDataGetter.GetCurSkillUIEntity():GetSkillData(self.skillJoyStickData.ID))
		end
	end
end

function UIVirtualController:OnLateUpdateFun(deltaTime, timeSinceUpdate)
	if self.curEventPos then
		self:Move(self.curEventPos)
	end
end

function UIVirtualController:OnEndDrag(comp, eventData)
	if comp == self.event_Collider then
		self:Stop()
	end
end

function UIVirtualController:OnPointerUp(comp)
	if comp == self.event_Collider then
		self:Stop()
		EventSystem.Dispatch(EventID.UI_Guide_VirtualJoystick_PointerUp)
	elseif comp == self.event_Accelerator then
		LuaInputManager.ReleaseAccelerator()
	end
end

function UIVirtualController:EnableInput()
	UIUtils.SetActive(self.event_Collider,true)
end

function UIVirtualController:DisableInput()
	UIUtils.SetActive(self.event_Collider,false)
	self:Stop(nil)
end

function UIVirtualController:OnHorse(entity,isOn)
	if not entity:IsPlayerSelf() then
		return
	end
	--关卡判断
	if not LevelManager.CurLevelCanRideHorse() then
		return
	end
	
	if isOn then
		UIUtils.SetActive(self.sprite_HorseOn,false)
		UIUtils.SetActive(self.sprite_HorseOff,true)
	else
		UIUtils.SetActive(self.sprite_HorseOn,true)
		UIUtils.SetActive(self.sprite_HorseOff,false)		
	end
end


--骑马
function UIVirtualController:OnClickHorse()
	if MDL.Team.IsFollowing() then
		--组队跟随中不可操作
		CTL.Tips.AddTipsMsg(Const_IDS["IDS_Team_FollowCanNotDoThis"])
		return
	end
	if MDL.WarHorse.GetIsActiveHorse() == false then
		CTL.Tips.AddTipsMsg(Const_IDS["IDS_Horse_Town_2"])
		return
	end

	if LogicUpdateManager._curEntity._logicInitData.HorseModelData == nil then
		CTL.Tips.AddTipsMsg(Const_IDS["IDS_Horse_Town_5"])
		return
	end
	
	if BattleDataGetter.CheckMainPlayerHasBuffState(LuaConst.SpecialBuffs.InRiding) then
		CTL.Sound.PlayGameSound("UI_close")		
	else
		if not BattleDataGetter.CheckMainPlayerHasBuffState(LuaConst.SpecialBuffs.CanRide) then
			CTL.Tips.AddTipsMsg(Const_IDS["IDS_CanNotRideHorse"])
			return
		end
		CTL.Sound.PlayGameSound("UI_horse_call")
	end

	LuaInputManager.SetSpecialCommand(LuaConst.SpecialCommandType.Ride)
	
end


--上车
function UIVirtualController:DriveCar(carEntity,driverEntity)

	if driverEntity ~= LogicUpdateManager._curEntity then
		return
	end

	local driveData = carEntity.components.drive:GetDriveData()
	if driveData and driveData.IsAntiShake then
		self.antiShake = true
	end
	
	if not carEntity.components.drive.IsFirstPerspective then
		return
	end
	
	self.alwaysShowStick = true
	self.needToWorldDir = false

	UIUtils.SetImageColor(self.sprite_Back, ColorHalf)
	UIUtils.SetImageColor(self.sprite_Fore, ColorHalf)
	self.sprite_Back_Transform:SetAnchoredPosition(VECTORINIT.x, VECTORINIT.y)
	self.sprite_Fore_Transform:SetLocalPosition(Vector3Zero.x,Vector3Zero.y,Vector3Zero.z)
	if LevelManager.CurLevelCanRideHorse() then
		UIUtils.SetActive(self.event_Horse,false)		
	end

	local realSpeed = carEntity.components.attr:GetAttrValue(LuaConst.AttrType.spd)
	if realSpeed > FP.Const.Zero then
		UIUtils.SetActive(self.event_Accelerator,true)		
	end
end

function UIVirtualController:ShowJoystick()
	self:ControllerSetActive(true)
end

--下车
function UIVirtualController:OffCar(entity ,carEntity)
	if entity ~= LogicUpdateManager._curEntity then
		return
	end
	if not carEntity.components.drive.IsFirstPerspective then		
		return
	end
	self.antiShake = false
	self.alwaysShowStick = false
	self.needToWorldDir = true
	UIUtils.SetActive(self.event_Accelerator,false)
	
	UIUtils.SetImageColor(self.sprite_Back , ColorOne)
	UIUtils.SetImageColor(self.sprite_Fore , ColorOne)
	self.sprite_Back_Transform:SetLocalPosition(VECTORFAR.x, VECTORFAR.y, VECTORFAR.z)
	if LevelManager.CurLevelCanRideHorse() and MDL.Unlock.IsUnlock(MDL.Unlock.FunctionType.WarHorse) then
		UIUtils.SetActive(self.event_Horse,true)
	end
	
end

function UIVirtualController:EnterCheatModel(isEnter)
	self.isCheatModel = isEnter
end

function UIVirtualController:OnAutoFightStateChanged()
	UIUtils.SetActive(self.gameObject, not BattleDataGetter.AutoFightIsSystemLevel())
end

--region 左摇杆控制常驻技能的显示
function UIVirtualController:ShowStaticJoySkillRange(skillJoyStickData)
	self.skillJoyStickData = skillJoyStickData
end

--endregion 左摇杆控制常驻技能的显示

--region -- *********** Scene Camera ************* --
function UIVirtualController:SetCameraChangeButton(show,free)
	if self.isShowCameraChange ~= show then
		self.isShowCameraChange = show
		UIUtils.SetActive(self.event_CameraChange.gameObject,show)
	end
	if free then
		self.state_Camera:SetState(1)
	else
		self.state_Camera:SetState(0)
	end

end

function UIVirtualController:OnCameraTargetPatternChange(targeted)
	if self.isShowCameraChange then
		UIUtils.SetActive(self.event_CameraChange.gameObject, not targeted)
	end
end

function UIVirtualController:OnCameraTargetEnd()
	if self.isShowCameraChange then
		UIUtils.SetActive(self.event_CameraChange.gameObject, true)
	end
end
return UIVirtualController