Steam First Time Setup

Steam First Time Setup packages

install Regular or Custom First-Time-Setups on the fly

steamtinkerlaunch can start the first-time setup game dependency installation using iscriptevaluator, which usually is triggered by steam "magically" without any obvious traces.

Being able to control iscriptevaluator programmatically not only opens the door to many new useful features, but also offers the possibility to enhance the steam-default install-mechanism of Steamworks-Shared dependencies.

Some Origin games may not automatically run the First Time Setup automatically from Steam if the evaluator script denotes "mode" "2". In such an instance the evaluator script may only run if a compatibility tool using Manifest v2 for its toolmanifest.vdf file. SteamTinkerLaunch does not do this as Manifest v2 tools run inside of the Steam Linux Runtime, and SteamTinkerLaunch does not work in this instance. Therefore it stays on the default Manifest v1, and so Steam does not trigger the First Time Setup for apps which denote "mode" "2". See #767 for some discussion around this.

Regular First Time Setup without steamtinkerlaunch:

The regular default steam mechanism works as follows:

The iscriptevaluator tool (~/.local/share/Steam/legacycompat/iscriptevaluatorexe) usually is started automatically with proton before the game itself is started with two different command line parameters (coming from Steam):

• legacycompat\evaluatorscript_$GAMESTEAMAPPID.vdf (hereinafter EVALSC): This vdf file contains all packages which are supposed to be installed on the first run of the game (so on proton Wineprefix (re-)creation) The file does not exist, though but is temporarily auto-created and removed directly after it was used for the installation.

• --get-current-step $GAMESTEAMAPPID (hereinafter GECUST): This command is called as long the first command is not finished yet, and its only function is to update the current installation state for the Steam status requester.

The functionality in steamtinkerlaunch requires some modifications (but also offers additional options):

Regular-First-Time-Setup

(using steamtinkerlaunch)

1. Find and use a Proton version

Before the iscriptevaluator installation can even be started steamtinkerlaunch needs to find a usable proton version and is searching in the following order:

• in the current gameconfig (see Configuration-Files) (allow minor proton version mismatch)
• in the default game template (see Configuration-Files) (allow minor proton version mismatch)
• check for variable $EARLYPROT which contains the absolute path to a proton binary
• read the file STLEARLYPROTCONF (~/.config/steamtinkerlaunch/protonearlyproton.conf) which defines the variable $EARLYPROT

When a proton executable is found, it is used to launch the above iscriptevaluator commands. Initially, only the EVALSC command is important as it triggers the creation of the required EVALSC file:

2. Capture the EVALSC vdf config

As the EVALSC is not available, steamtinkerlaunch starts a capture function, which saves the file as soon as it is available. The storage directory used is described under Metadata-Support. If the file is already found there, it is directly used, and the capture is skipped.

3. Start the First Time Setup

The captured EVALSC can't be used directly with iscriptevaluator, as the path to the directory which holds the corresponding installer file is unknown. It can be either in the game directory or in the Steamworks-Shared path (or in the steamtinkerlaunch Download Dir '$STLDLDIR', when rolling a custom own one). Fortunately, the game directory is inside a variable, and Steamworks-Shared is hardcoded and can't be changed by the user and, therefore, always is "$STEAM_COMPAT_CLIENT_INSTALL_PATH/steamapps/common/Steamworks Shared" (which should resolve to ~/.local/share/Steam/steamapps/common/Steamworks Shared on most systems) steamtinkerlaunch does some magic to find and set the correct winepath for each of the install packages and inserts it as linux_install_path variable in EVALSC (which is empty by default) (found a hint to the formerly used foreign_install_path string in this excellent wiki - Read it!)

A windows variant of the path (auto-created with some bash expansions) is seded into a copy of EVALSC and finally, the iscriptevaluator install process is started using the modified EVALSC.

4. Updating the Steam Status Requester GECUST While EVALSC is running, Steam repeatedly triggers the GECUST command to fetch the Installation Status for the Steam Requester. This works the same way in steamtinkerlaunch with the additional feature that the currently running Installation exe is shown inside the same Steam Requester as well.

5. When the installation is finished, the start process continues as usual

Custom-First-Time-Setup

Using steamtinkerlaunch, it is straightforward to start a customized Steam First-Time-Setup for a game and Re-Create it's Compatdata and Wineprefix simultaneously. The CUSTOM variant is basically identical to the REGULAR one; the decision on which of both is being used depends on the launch and constellation of the Evaluator Scripts

Re-Create Compatdata and Wineprefix

WARNING, Please be careful as this includes save data for the game, and deleting the compatdata folder will cause Steam to sync an empty game save to Steam cloud; however, by default, steamtinkerlaunch will create a backup in PATHTOSTEAMTINKERLAUNCHCONFIG/Backup/ See Backup-Support for more info

A Compatdata and the Wineprefix inside can be simply recreated for a game, by clicking either the Extra Button from the Main Menu or via Command Line.

The First-Time-Setup is automatically executed as well - either as Regular First-Time-Setup or as Custom First-Time-Setup

First-Time-Setup Evaluator Scripts

First-Time-Setup implementation supports the following source EVALSC files:

• a copy REGULAR of the temporary regular one (looks like the temporary one created/fetched from Steam can only be initially created when the function is started directly from steam - not sure yet) in $EVMETAID/${EVALSC}_${GAMESTEAMAPPID}.vdf (= f.e. ~/.config/steamtinkerlaunch/meta/eval/id/evaluatorscript_1091500.vdf)
• a CUSTOM created one in $EVMETACUSTOMID/${EVALSC}_${GAMESTEAMAPPID}.vdf (= f.e. ~/.config/steamtinkerlaunch/meta/eval/id/custom/evaluatorscript_1091500.vdf)
• a custom ADDON, which is installed additional to the previous one (= f.e. ~/.config/steamtinkerlaunch/meta/eval/id/addon/evaluatorscript_1091500.vdf)
• (a SKIP one)

The priority between REGULAR and CUSTOM depends on the launch constellation as follows:

• First-Time-Setup started manually
  • if neither a REGULAR nor a CUSTOM file exists, the Create Custom Gui opens (automatically when started with Extra Button, and via 2nd GUI parameter when started from the command line) where a CUSTOM (or ADDON) file can be created
  • if one of both exists, all required variables are autodetected (if possible) and the Regular First-Time-Setup is started
• First-Time-Setup started automatically
  • if neither the REGULAR nor a CUSTOM file exists, the regular First-Time-Setup is started, which also catches the REGULAR file for later use
  • if the REGULAR file does exist and the CUSTOM file does not, the REGULAR one is used
  • if both the REGULAR and the CUSTOM files do exist, the CUSTOM one is used
  • if only the CUSTOM file exists, it will be used
  • if an ADDON file exists in the "addon" subdirectory as well, it will be started after the previous one

Create Custom-First-Time-Setup

steamtinkerlaunch offers the option to also create a First-Time-Setup Evaluator Script via Gui, either started via Extra Button from the Main Menu or via Command Line. Open gui to create a Steam First Time Setup: steamtinkerlaunch createfirstinstall|cfi <gameid> <a|c|r|file> where the single letter as optional last parameter stands for the file which is used as a template to pre-enable the available packages:

• a (the ADDON file will be used as a template)
• c (the CUSTOM file will be used as a template)
• r (the REGULAR file will be used as a template) Without a template shortcut, no files are preselected. The place of the available packages is GLOBALEVALDIR (i.e. /usr/share/steamtinkerlaunch/eval/packages/) The path could be expanded with a custom one; generally, more could be added, and this wiki probably is missing some features which are already implemented, but nobody reads this lorem ipsum dolor anyway.

When done with selecting packages, one can choose from the following options:

• SAVE AS ADDON (The created file will be saved as an ADDON file for further use)
• SAVE AS CUSTOM (The created file will be saved as a CUSTOM file for further use)
• INSTALL WITHOUT SAVING (The created file will be used immediately for installation without storing it permanently)

If the last parameter is a valid writeable path, the created file will be stored under that filename!

Skip First-Time-Setup

The whole iscriptevaluator process can be skipped by simply creating the Metadata file $EVMETASKIPID/${EVALSC}_${STEAM_COMPAT_APP_ID}.vdf (= ~/.config/steamtinkerlaunch/meta/eval/id/skip/evaluatorscript_${STEAM_COMPAT_APP_ID}.vdf) EVALSC files without any package are skipped early automatically as well. This skips both the Regular and the Custom First-Time-Setup

Trigger First-Time-Setup

The First-Time-Setup process is automatically triggered automatically or manually Depending on the availability of the EVALSC files, the Setup is either a Regular or a Custom First-Time-Setup (see Evaluator Scripts for file descriptions)

Automatical First-Time-Setup:

• when on game launch the [Compatdata](https://github.com/frostworx/steamtinkerlaunch/wiki/Compatdata) / Wineprefix does not yet exist
• when on game launch the EVALSC file does not exist in Metadata

Manual First-Time-Setup

WARNING, Please be careful as this includes save data for the game, and deleting the compatdata folder will cause Steam to sync an empty game save to Steam cloud; however, by default, steamtinkerlaunch will create a backup in PATHTOSTEAMTINKERLAUNCHCONFIG/Backup/ See Backup-Support for more info **

This can be either done by simply clicking the RE-CREATE WINEPREFIX Extra Button from the Main Menu or by using the Command Line*: steamtinkerlaunch createcompatdata|ccd <gameid>: (re-)create Compatdata for (optional 2nd gui parameter opens Create Custom Gui to configure custom setup) When started manually, the Steam-internal requester showing the installation status doesn't open; that's why the Notifier is used here instead. Note: Steam does not even have to be running for the manual install method!

Customizing the Steam First Time Setup process is pretty complicated and might require some more optimizations and improvements. Future work depends on general feedback