265 lines
10 KiB
Lua
265 lines
10 KiB
Lua
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---@class W_CenterScrollBox_C:UUserWidget
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---@field ScrollBox_Target UScrollBox
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--Edit Below--
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---@type W_CenterScrollBox_C
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local W_CenterScrollBox = {
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bInitDoOnce = false;
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bTickEnable = false;
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---@param ScrollSizeY float 滚动框高度
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ScrollSizeY = 0.;
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---@param HideWidgetNum int 计算后需要的高度与Item相同的隐藏Widget的个数
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HideWidgetNum = 0;
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---@param InitScroll float 计算后所得的初始中心滚动位置
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InitScroll = 0.;
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---@param ItemSizeY float Item的高度，需在外部写死
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ItemSizeY = 100;
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---@param bSelecting bool 是否正在滚动选择
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bSelecting = false;
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---@param ScrollStopWaitTime float 延迟触发暂停滚动，自动滚动到就近的Item中心位置
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ScrollStopWaitTime = 0.2;
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---@param ScrollStopWaitHandle TimerHandle 暂停滚动的Handle
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ScrollStopWaitHandle = nil;
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---@param TargetScroll float 目标滚动的位置
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TargetScroll = 0.;
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---@param ScrollInterpSpeed float 滚动结束自动过渡时的速度
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ScrollInterpSpeed = 10.;
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---@param SelectIndex int 当前选择中的Index
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SelectIndex = -1;
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---@param ItemClass UUserWidget
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ItemClass = nil;
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---@param NumItem int Item个数
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NumItem = 0;
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---@param ItemInitFuncName string Item初始化函数名
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ItemInitFuncName = nil;
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---@param ItemSelectFuncName string Item被选择函数名
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ItemSelectFuncName = nil;
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---@param ClickSelectBtnName string Item点击选中Button名
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ClickSelectBtnName = nil;
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};
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function W_CenterScrollBox:Construct()
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--Test
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--UGCEventSystem.SetTimer(
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-- self,
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-- function()
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-- self:Init(
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-- UE.LoadClass(UGCGameSystem.GetUGCResourcesFullPath('Asset/UI/W_SelectWeapon_Item2.W_SelectWeapon_Item2_C')),
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-- 130.,
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-- "InitSelectInfo",
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-- "SetSelect"
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-- )
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-- local ItemParams = {}
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-- for k, WeaponTypeInfo in pairs(Tables.WeaponAndProps_V2.WeaponTypeInfos) do
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-- UGCLogSystem.Log("[W_CenterScrollBox_Construct] k:%d , WeaponType:%s", k, WeaponTypeInfo.Name)
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-- local ItemParam = {Enum.SelectWeapon.SelectWeaponType, false, WeaponTypeInfo.Icon, WeaponTypeInfo.Name, k}
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-- ItemParams[#ItemParams + 1] = ItemParam
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-- end
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-- self:UpdateItemInfo(ItemParams)
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--
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-- end,
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-- 2.
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--)
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-- Tick 函数判断是否触发
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UGCEventSystem.SetTimer(
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self,
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function()
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if self.bTickEnable == false then
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-- 踏马的Tick不调
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local LastTime = KismetSystemLibrary.GetGameTimeInSeconds(self)
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UGCEventSystem.SetTimerLoop(
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self,
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function()
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local NowTime = KismetSystemLibrary.GetGameTimeInSeconds(self)
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self:Tick(nil, NowTime - LastTime)
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LastTime = NowTime
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end,
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0.01
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)
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end
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end,
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0.1
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)
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end
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function W_CenterScrollBox:Tick(MyGeometry, InDeltaTime)
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self.bTickEnable = true
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-- UGCLogSystem.Log("[W_CenterScrollBox_Tick]")
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if self.bSelecting == false then
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-- UGCLogSystem.Log("[W_CenterScrollBox_Tick] Begin")
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local NowOffset = self.ScrollBox_Target:GetScrollOffset()
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local SetOffset = KismetMathLibrary.FInterpTo(NowOffset, self.TargetScroll, InDeltaTime, self.ScrollInterpSpeed)
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self.ScrollBox_Target:SetScrollOffset(SetOffset)
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-- UGCLogSystem.Log("[W_CenterScrollBox_Tick] Finish")
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end
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end
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-- function W_CenterScrollBox:Destruct()
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-- end
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function W_CenterScrollBox:GetScrollBoxSizeY()
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local CanvasSlot = WidgetLayoutLibrary.SlotAsCanvasSlot(self)
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return CanvasSlot:GetSize().Y
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end
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--- 初始化函数
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---@param ItemClass UUserWidget
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---@param ItemSizeY float Item的高度
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---@param ItemInitFuncName string Item初始化函数名
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---@param ItemSelectFuncName string Item设置选择函数名
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---@param ClickSelectBtnName string Item点击选中Button名
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function W_CenterScrollBox:Init(ItemClass, ItemSizeY, ItemInitFuncName, ItemSelectFuncName, ClickSelectBtnName)
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self.ItemClass = ItemClass
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self.ItemSizeY = ItemSizeY
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self.ItemInitFuncName = ItemInitFuncName
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self.ItemSelectFuncName = ItemSelectFuncName
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self.ClickSelectBtnName = ClickSelectBtnName
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self.ScrollSizeY = self:GetScrollBoxSizeY()
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UGCLogSystem.Log("[W_CenterScrollBox_Init] ScrollSizeY: %f", self.ScrollSizeY)
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-- SetInitScroll
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--self.InitScroll = self.ItemSizeY * (0.5 + math.ceil((self.ScrollSizeY / 2. - self.ItemSizeY / 2.) / self.ItemSizeY)) - self.ScrollSizeY / 2.
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--UGCLogSystem.Log("[W_CenterScrollBox_Init] InitScroll: %f", self.InitScroll)
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-- SetHideWidgetNum
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-- self.HideWidgetNum = math.ceil(self.InitScroll / self.ItemSizeY + 0.5)
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self.HideWidgetNum = math.ceil((self.ScrollSizeY - self.ItemSizeY) / 2 / self.ItemSizeY)
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UGCLogSystem.Log("[W_CenterScrollBox_Init] HideWidgetNum: %d", self.HideWidgetNum)
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self.InitScroll = self.HideWidgetNum * self.ItemSizeY + self.ItemSizeY / 2 - self.ScrollSizeY / 2.
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UGCLogSystem.Log("[W_CenterScrollBox_Init] InitScroll: %f", self.InitScroll)
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self.ScrollBox_Target.OnUserScrolled:Add(self.BoxScroll, self)
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end
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--- 绑定滚动到新的Item委托
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---@param Func function Item:UUserWidget*, SelectIndex:int
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function W_CenterScrollBox:BindUpdateSelectItem(Func, Obj)
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self.UpdateSelectDelegation = {Func = Func, Obj = Obj}
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end
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function W_CenterScrollBox:ExeUpdateSelectItemDelegation(Item)
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if self.UpdateSelectDelegation then
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if self.UpdateSelectDelegation.Obj then
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self.UpdateSelectDelegation.Func(self.UpdateSelectDelegation.Obj, Item, self.SelectIndex)
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else
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self.UpdateSelectDelegation.Func(Item, self.SelectIndex)
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end
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end
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end
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function W_CenterScrollBox:BoxScroll()
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self.bSelecting = true
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if self.ScrollStopWaitHandle ~= nil then
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UGCEventSystem.StopTimer(self.ScrollStopWaitHandle)
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self.ScrollStopWaitHandle = nil
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end
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self:UpdateSelect()
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self.ScrollStopWaitHandle = UGCEventSystem.SetTimer(
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self,
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function ()
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self:UpdateSelect()
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self.bSelecting = false
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self.ScrollStopWaitHandle = nil
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end,
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self.ScrollStopWaitTime
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)
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end
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function W_CenterScrollBox:GetItemIndex(Item)
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for i = 0, self.ScrollBox_Target:GetChildrenCount() - 1 do
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if self.ScrollBox_Target:GetChildAt(i) == Item then
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return i - self.HideWidgetNum
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end
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end
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end
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--- 更新滚动表数据
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---@param ItemInitParams table Item初始化的参数
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function W_CenterScrollBox:UpdateItemInfo(ItemInitParams)
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self.NumItem = #ItemInitParams
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while self.ScrollBox_Target:GetChildrenCount() < (self.NumItem + self.HideWidgetNum * 2) do
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local ItemInst = UserWidget.NewWidgetObjectBP(UGCSystemLibrary.GetLocalPlayerController(), self.ItemClass)
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self.ScrollBox_Target:AddChild(ItemInst)
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if ItemInst[self.ClickSelectBtnName] then
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ItemInst[self.ClickSelectBtnName].OnClicked:Add(function()
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self:UpdateSelect(self:GetItemIndex(ItemInst))
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end)
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end
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end
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UGCLogSystem.Log("[W_CenterScrollBox_UpdateItemInfo] NumItem:%d , ChildrenCount:%d", self.NumItem, self.ScrollBox_Target:GetChildrenCount())
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for i = 0, self.ScrollBox_Target:GetChildrenCount() - 1 do
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local TempItem = self.ScrollBox_Target:GetChildAt(i)
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if i >= (self.NumItem + self.HideWidgetNum * 2) then
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TempItem:SetVisibility(ESlateVisibility.Collapsed)
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elseif (i < self.HideWidgetNum) or (i >= (self.NumItem + self.HideWidgetNum))then
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TempItem:SetVisibility(ESlateVisibility.Hidden)
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else
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TempItem:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
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TempItem[self.ItemInitFuncName](TempItem, table.unpack(ItemInitParams[i + 1 - self.HideWidgetNum]))
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end
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end
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self:UpdateSelect(0)
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UGCLogSystem.Log("[W_CenterScrollBox_UpdateItemInfo] Finish")
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end
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--- 获取Item
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function W_CenterScrollBox:GetScrollItem(Index)
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return self.ScrollBox_Target:GetChildAt(Index + self.HideWidgetNum)
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end
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--- 获取启用的Item数量
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function W_CenterScrollBox:GetEnableItemNum()
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return self.NumItem
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end
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function W_CenterScrollBox:SetItemSelect(Index, IsSelect)
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if self.ItemSelectFuncName then
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local Item = self:GetScrollItem(Index)
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if Item then
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Item[self.ItemSelectFuncName](Item, IsSelect)
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end
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end
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end
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--- 滚动到中间
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function W_CenterScrollBox:ScrollToMidItem()
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local ScrollNum = math.floor(self.NumItem / 2) - (self.NumItem % 2 == 0 and 1 or 0)
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self:UpdateSelect(ScrollNum)
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end
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--- 刷新滚动的位置
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function W_CenterScrollBox:UpdateSelect(SelectIndex)
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-- GetTargetScorll
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local ScrollOffset = self.ScrollBox_Target:GetScrollOffset()
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local MustBeUpdated = false
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if SelectIndex == nil then
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SelectIndex = math.clamp(KismetMathLibrary.Round((ScrollOffset - self.InitScroll) / self.ItemSizeY), 0, self.NumItem - 1)
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else
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MustBeUpdated = true
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end
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local SelectItem = self:GetScrollItem(SelectIndex)
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UGCLogSystem.Log("[W_CenterScrollBox_UpdateSelect] SelectItem:%s", tostring(UE.IsValid(SelectItem)))
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-- SetTargetScroll
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self.TargetScroll = SelectIndex * self.ItemSizeY + self.InitScroll
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UGCLogSystem.Log("[W_CenterScrollBox_UpdateSelect] TargetScroll:%f ScrollOffset:%f", self.TargetScroll, ScrollOffset)
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UGCLogSystem.Log("[W_CenterScrollBox_UpdateSelect] SelectIndex:%d, self.SelectIndex:%d", SelectIndex, self.SelectIndex)
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if SelectItem and ((SelectIndex ~= self.SelectIndex) or MustBeUpdated) then
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-- 隐藏上次被选中的Item
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self:SetItemSelect(self.SelectIndex, false)
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self.SelectIndex = SelectIndex
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-- 显示现在选中的Item
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self:SetItemSelect(self.SelectIndex, true)
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self:ExeUpdateSelectItemDelegation(SelectItem)
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else
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UGCLogSystem.LogError("[W_CenterScrollBox_UpdateSelect] SelectItem is nil, SelectIndex:%d", SelectIndex)
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end
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end
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return W_CenterScrollBox;
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