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fix: preserve Proton's S: gamedrive mapping when launching TeamSpeak #39

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fix: preserve Proton's S: gamedrive mapping when launching TeamSpeak #39

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20 changes: 20 additions & 0 deletions Arma3Helper.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,26 @@ fi

export STEAM_COMPAT_DATA_PATH="$COMPAT_DATA_PATH"
export STEAM_COMPAT_CLIENT_INSTALL_PATH="$HOME/.steam/steam"
# Proton builds with the gamedrive option enabled (e.g. Proton Hotfix) need these
# two variables to resolve the game's Steam library during `proton run`. When they
# are missing, Proton DELETES the S: drive mapping from the live prefix, and a
# running Arma then fails server signature checks on every S:-pathed file
# (random "not signed by a key accepted" / "Wrong signature for file" kicks
# while TeamSpeak is open). The compatdata folder always lives in the same
# Steam library as the game, so derive both from COMPAT_DATA_PATH — but only
# export them when the derived library actually contains the game, so a
# noncanonical COMPAT_DATA_PATH can never point Proton at a wrong library.
if [[ -z "$STEAM_COMPAT_INSTALL_PATH" && -z "$STEAM_COMPAT_LIBRARY_PATHS" ]]; then
_ARMA_LIBRARY="$(readlink -f "$COMPAT_DATA_PATH" 2>/dev/null)"
_ARMA_LIBRARY="${_ARMA_LIBRARY%/compatdata/*}"
if [[ -d "$_ARMA_LIBRARY/common/Arma 3" ]]; then
export STEAM_COMPAT_INSTALL_PATH="$_ARMA_LIBRARY/common/Arma 3"
export STEAM_COMPAT_LIBRARY_PATHS="$_ARMA_LIBRARY"
else
echo -e "\e[33mWarning\e[0m: Could not locate Arma's Steam library from COMPAT_DATA_PATH."
echo "Without STEAM_COMPAT_INSTALL_PATH and STEAM_COMPAT_LIBRARY_PATHS, newer Proton versions remove the prefix's S: drive, which breaks server signature checks. Export both in your config file."
fi
fi
export SteamAppId="107410"
export SteamGameId="107410"
if [[ "$ESYNC" == "false" ]]; then
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