mirror of
https://github.com/copyrighttxt/watrbx-game-engine.git
synced 2026-09-05 05:07:48 +00:00
GEEKING
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watrabi
@@ -0,0 +1,240 @@
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--[[
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]]
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local CoreGui = Game:GetService("CoreGui")
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local GuiRoot = CoreGui:FindFirstChild("RobloxGui")
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local Modules = GuiRoot:FindFirstChild("Modules")
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local GuiService = game:GetService("GuiService")
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local UserInputService = game:GetService("UserInputService")
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local ThumbnailLoader = require(Modules:FindFirstChild('ThumbnailLoader'))
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local Utility = require(Modules:FindFirstChild('Utility'))
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local function CreateImageSlider(size, position)
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local this = {}
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local items = {}
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local maxItems = 0
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local currentItemIndex = 1
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local padding = 0
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local focusSize = 450
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local itemSize = 300
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local dataTable = nil
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local lastSelectedObject = nil
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local newSelectedObjectCn = nil
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this.OnNewFocusItem = Utility.Signal()
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local imageObjectToLoaderMap = {}
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this.Container = Utility.Create'ScrollingFrame'
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{
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Name = "ImageSliderContainer";
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Size = size;
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Position = position;
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BackgroundTransparency = 1;
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ClipsDescendants = false;
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ScrollingEnabled = false;
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Selectable = false;
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ScrollBarThickness = 0;
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}
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local function loadNewImage(item, dataIndex)
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if imageObjectToLoaderMap[item] then
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imageObjectToLoaderMap[item]:Cancel()
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imageObjectToLoaderMap[item] = nil
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end
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local iconId = dataTable[dataIndex].IconId
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local thumbLoader = ThumbnailLoader:Create(item, iconId,
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ThumbnailLoader.Sizes.Medium, ThumbnailLoader.AssetType.Icon)
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imageObjectToLoaderMap[item] = thumbLoader
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spawn(function()
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thumbLoader:LoadAsync()
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imageObjectToLoaderMap[item] = nil
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end)
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end
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local MAX_LEFT = 2
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local MAX_RIGHT = 6
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-- TODO: Figure out left/right better
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local function recalcPositionAndSize(tweenTime, isRight, newSelectedObject)
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local smIconYPos = (focusSize - itemSize) / 2
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local startPosition = 0
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if currentItemIndex == 1 then
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startPosition = 0
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elseif currentItemIndex == 2 then
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startPosition = -1
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elseif maxItems == #items then
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startPosition = 1 - currentItemIndex
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elseif maxItems - currentItemIndex < MAX_RIGHT then
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startPosition = maxItems - currentItemIndex - MAX_RIGHT - MAX_LEFT
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else
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startPosition = -MAX_LEFT
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end
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-- put front at back
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if maxItems > #items then
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if isRight == true and startPosition == -MAX_LEFT and currentItemIndex > 3 then
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local front = items[1]
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local back = items[#items]
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front.Position = UDim2.new(0, back.Position.X.Offset + back.Size.X.Offset + padding, 0, smIconYPos)
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this:RemoveFromFront()
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this:AddItemToBack(front)
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if dataTable and dataTable[currentItemIndex + MAX_RIGHT] then
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loadNewImage(front, currentItemIndex + MAX_RIGHT)
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end
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-- put back in front
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elseif isRight == false and currentItemIndex < maxItems - MAX_RIGHT and startPosition == -MAX_LEFT then
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local back = items[#items]
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local front = items[1]
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back.Position = UDim2.new(0, front.Position.X.Offset - padding - itemSize, 0, smIconYPos)
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this:RemoveFromBack()
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this:AddToFront(back)
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if dataTable and dataTable[currentItemIndex - MAX_LEFT] then
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loadNewImage(back, currentItemIndex - MAX_LEFT)
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end
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end
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end
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local currentXPosition = itemSize * startPosition + padding * startPosition
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for i = 1, #items do
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if items[i] == newSelectedObject then
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if tweenTime == 0 then
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items[i].Size = UDim2.new(0, focusSize, 0, focusSize)
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items[i].Position = UDim2.new(0, currentXPosition, 0, 0)
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else
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items[i]:TweenSizeAndPosition(UDim2.new(0, focusSize, 0, focusSize), UDim2.new(0, currentXPosition, 0, 0),
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Enum.EasingDirection.InOut, Enum.EasingStyle.Sine, tweenTime, true)
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end
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currentXPosition = currentXPosition + focusSize + padding
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else
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if tweenTime == 0 then
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items[i].Size = UDim2.new(0, itemSize, 0, itemSize)
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items[i].Position = UDim2.new(0, currentXPosition, 0, smIconYPos)
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else
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items[i]:TweenSizeAndPosition(UDim2.new(0, itemSize, 0, itemSize), UDim2.new(0, currentXPosition, 0, smIconYPos),
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Enum.EasingDirection.InOut, Enum.EasingStyle.Sine, tweenTime, true)
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end
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currentXPosition = currentXPosition + itemSize + padding
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end
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end
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end
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--[[ Events ]]--
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newSelectedObjectCn = GuiService.Changed:connect(function(property)
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if property == 'SelectedCoreObject' then
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local selectedObject = GuiService.SelectedCoreObject
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if selectedObject and selectedObject ~= lastSelectedObject and selectedObject:IsDescendantOf(this.Container) then
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local isRight = nil
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if lastSelectedObject then
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-- slide left
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if lastSelectedObject.AbsolutePosition.x < selectedObject.AbsolutePosition.x then
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currentItemIndex = currentItemIndex + 1
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isRight = true
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-- slide right
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else
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currentItemIndex = currentItemIndex - 1
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isRight = false
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end
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end
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recalcPositionAndSize(lastSelectedObject and 0.25 or 0, isRight, selectedObject)
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lastSelectedObject = selectedObject
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this.OnNewFocusItem:fire(currentItemIndex, isRight, selectedObject)
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end
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end
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end)
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--[[ Public API ]]--
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function this:SetPosition(position)
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self.Container.Position = position
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end
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function this:SetSize(size)
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self.Container.Size = size
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end
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function this:SetParent(parent)
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self.Container.Parent = parent
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end
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function this:SetFocusPosition(index)
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if index > 0 and index < #items + 1 then
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currentItemIndex = index
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recalcPositionAndSize(0, nil, items[currentItemIndex])
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end
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end
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function this:SetDataTable(tbl)
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dataTable = tbl
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end
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function this:SetMaxItems(value)
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local index = nil
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-- we're near the end, so we need to update image content
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if currentItemIndex > maxItems - MAX_RIGHT then
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-- find the current selected index in relation to image pool
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for i = 1, #items do
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if lastSelectedObject and items[i] == GuiService.SelectedCoreObject then
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index = i
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break
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end
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end
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-- TODO: Still might be a visual bug in some cases
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if index then
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-- replace images from front of pool
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for i = 1, index - 3 do
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if dataTable[currentItemIndex + i] then
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local item = items[1]
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loadNewImage(item, currentItemIndex + (maxItems - currentItemIndex) + i)
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print("NEW IMAGE:", currentItemIndex, ":", maxItems, ":", i, ":", currentItemIndex + (maxItems - currentItemIndex) + i)
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self:RemoveFromFront()
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self:AddItemToBack(item)
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end
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end
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end
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end
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maxItems = value
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recalcPositionAndSize(0)
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end
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function this:SetPadding(newPadding)
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padding = newPadding
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end
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function this:AddToFront(newItem)
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table.insert(items, 1, newItem)
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newItem.Parent = this.Container
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end
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function this:AddItemToBack(newItem)
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if this and this.Container then
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items[#items + 1] = newItem
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newItem.Parent = this.Container
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end
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end
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function this:AddItem(newItem)
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self:AddItemToBack(newItem)
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end
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function this:RemoveFromFront()
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table.remove(items, 1)
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end
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function this:RemoveFromBack()
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table.remove(items)
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end
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function this:Destroy()
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if newSelectedObjectCn then
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newSelectedObjectCn:disconnect()
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newSelectedObjectCn = nil
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end
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this.Container:Destroy()
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this.OnNewFocus = nil
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this = nil
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end
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return this
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end
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return CreateImageSlider
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