add gs

RCCService2018/content/internal/AppShell/Modules/Shell/GameJoin.lua

@@ -0,0 +1,74 @@
+--[[
+			// GameJoin.lua
+
+			// Handles game join logic
+]]
+local CoreGui = game:GetService("CoreGui")
+local GuiRoot = CoreGui:FindFirstChild("RobloxGui")
+local Modules = GuiRoot:FindFirstChild("Modules")
+local ShellModules = Modules:FindFirstChild("Shell")
+
+local PlatformService = nil
+pcall(function() PlatformService = game:GetService('PlatformService') end)
+local GameOptionsSettings = settings():FindFirstChild("Game Options")
+
+local Errors = require(ShellModules:FindFirstChild('Errors'))
+local ErrorOverlayModule = require(ShellModules:FindFirstChild('ErrorOverlay'))
+local ScreenManager = require(ShellModules:FindFirstChild('ScreenManager'))
+local XboxAppState = require(ShellModules:FindFirstChild('AppState'))
+
+local GameJoin = {}
+
+GameJoin.JoinType = {
+	Normal = 0;			-- use placeId
+	GameInstance = 1;	-- use game instance id
+	Follow = 2;			-- use userId or user you are following
+	PMPCreator = 3;		-- use placeId, used when a player joins their own place
+}
+
+-- joinType - GameJoin.JoinType
+-- joinId - can be a userId or placeId, see JoinType for which one to use
+function GameJoin:StartGame(joinType, joinId, creatorUserId)
+	-- check if we need to open the overscan screen
+	local needToOverscan = false
+	pcall(function()
+		if GameOptionsSettings.OverscanPX < 0 or GameOptionsSettings.OverscanPY < 0 then
+			needToOverscan = true
+		end
+	end)
+	if game:GetService('UserInputService'):GetPlatform() == Enum.Platform.Windows then
+		needToOverscan = false
+	end
+
+	local function onJoinGame()
+		if UserSettings().GameSettings:InStudioMode() then
+			ScreenManager:OpenScreen(ErrorOverlayModule(Errors.Test.CannotJoinGame), false)
+		else
+			local success = pcall(function()
+				-- check if we are the creator for normal joins
+				if joinType == GameJoin.JoinType.Normal and creatorUserId == XboxAppState.store:getState().RobloxUser.rbxuid then
+					joinType = GameJoin.JoinType.PMPCreator
+				end
+
+				return PlatformService:BeginStartGame3(joinType, joinId)
+			end)
+			-- catch pcall error, something went wrong with call into API
+			-- all other game join errors are caught in AppHome.lua
+			if not success then
+				ScreenManager:OpenScreen(ErrorOverlayModule(Errors.GameJoin.Default), false)
+			end
+		end
+	end
+
+	if needToOverscan or UserSettings().GameSettings:InStudioMode() then
+		local RoactScreenManagerWrapper = require(ShellModules.Components.RoactScreenManagerWrapper)
+		local OverscanRoact = require(ShellModules.Components.Overscan.Overscan)
+
+		local overscanRoact = RoactScreenManagerWrapper.new(OverscanRoact, GuiRoot, {}, onJoinGame)
+		ScreenManager:OpenScreen(overscanRoact)
+	else
+		onJoinGame()
+	end
+end
+
+return GameJoin