add gs

RCCService2018/content/LuaPackages/PurchasePrompt/Components/Presentation/PurchasePrompt.lua

@@ -0,0 +1,114 @@
+local CorePackages = game:GetService("CorePackages")
+
+local Roact = require(CorePackages.Roact)
+local Otter = require(CorePackages.Otter)
+
+local PromptState = require(script.Parent.Parent.Parent.PromptState)
+local HidePrompt = require(script.Parent.Parent.Parent.Actions.HidePrompt)
+
+local PromptContents = require(script.Parent.PromptContents)
+local InProgressContents = require(script.Parent.InProgressContents)
+local connectToStore = require(script.Parent.Parent.Parent.connectToStore)
+
+local withLayoutValues = require(script.Parent.Parent.Connection.withLayoutValues)
+
+local PurchasePrompt = Roact.Component:extend(script.Name)
+
+local SPRING_CONFIG = {
+	dampingRatio = 1,
+	frequency = 1.6,
+}
+
+function PurchasePrompt:init()
+	local setPromptHidden = self.props.setPromptHidden
+
+	self.motor = Otter.createSingleMotor(0)
+	self.motor:start()
+
+	self.ref = Roact.createRef()
+
+	self.motor:onStep(function(value)
+		local frame = self.ref.current
+
+		if frame then
+			frame.AnchorPoint = Vector2.new(0.5, 1 - 0.5 * value)
+			frame.Position = UDim2.new(0.5, 0, 0.5 * value, 0)
+		end
+	end)
+
+	self.onClose = function()
+		local onCompleteDisconnector
+		onCompleteDisconnector = self.motor:onComplete(function()
+			setPromptHidden()
+			onCompleteDisconnector()
+
+			self.motor:stop()
+		end)
+
+		self.motor:setGoal(Otter.spring(0, SPRING_CONFIG))
+	end
+end
+
+function PurchasePrompt:didUpdate(prevProps, prevState)
+	if prevProps.promptState ~= self.props.promptState then
+
+		local goal = self.props.promptState == PromptState.Hidden and 0 or 1
+		self.motor:setGoal(Otter.spring(goal, SPRING_CONFIG))
+
+		if prevProps.promptState == PromptState.Hidden then
+			self.motor:start()
+		end
+	end
+end
+
+function PurchasePrompt:render()
+	return withLayoutValues(function(values)
+		local promptState = self.props.promptState
+
+		local contents
+		if promptState == PromptState.Hidden then
+			--[[
+				When the prompt is hidden, we'd rather not keep unused Roblox
+				instances for it around, so we don't render them
+			]]
+			contents = nil
+		elseif promptState == PromptState.PurchaseInProgress or promptState == PromptState.UpsellInProgress then
+			contents = Roact.createElement(InProgressContents)
+		else
+			contents = Roact.createElement(PromptContents, {
+				onClose = self.onClose,
+			})
+		end
+
+		return Roact.createElement("Frame", {
+			Size = values.Size.Dialog,
+			BorderSizePixel = 0,
+			BackgroundTransparency = 1,
+
+			[Roact.Ref] = self.ref
+		}, {
+			PromptContents = contents,
+		})
+	end)
+end
+
+local function mapStateToProps(state)
+	return {
+		promptState = state.promptState
+	}
+end
+
+local function mapDispatchToProps(dispatch)
+	return {
+		setPromptHidden = function()
+			dispatch(HidePrompt())
+		end
+	}
+end
+
+PurchasePrompt = connectToStore(
+	mapStateToProps,
+	mapDispatchToProps
+)(PurchasePrompt)
+
+return PurchasePrompt