Allow ProtonGE to be used as a compatibility tool (#533)

* Allow ProtonGE to be used as a compatibility tool

* Use constant list to track valid Proton builds

* Fixed formatting

* Update to doc comments

src-tauri/src/constants.rs

@@ -58,3 +58,7 @@ pub const NORTHSTAR_DLL: &str = "Northstar.dll";
 
 /// Profile that Northstar defaults to and ships with
 pub const NORTHSTAR_DEFAULT_PROFILE: &str = "R2Northstar";
+
+/// List of valid compatibility tools that Northstar can be launched with
+pub const VALID_NORTHSTAR_PROTON_BUILDS: [&str; 3] =
+    ["NorthstarProton-8.1-1", "GE-Proton8-13", "GE-Proton8-11"];

src-tauri/src/northstar/mod.rs

@@ -5,7 +5,7 @@ pub mod profile;
 
 use crate::util::check_ea_app_or_origin_running;
 use crate::{
-    constants::{CORE_MODS, TITANFALL2_STEAM_ID},
+    constants::{CORE_MODS, TITANFALL2_STEAM_ID, VALID_NORTHSTAR_PROTON_BUILDS},
     get_host_os, GameInstall, InstallType,
 };
 use anyhow::anyhow;
@@ -145,15 +145,11 @@ pub fn launch_northstar_steam(
                 let titanfall2_steamid: u32 = TITANFALL2_STEAM_ID.parse().unwrap();
                 match steamdir.compat_tool(&titanfall2_steamid) {
                     Some(compat) => {
-                        if !compat
-                            .name
-                            .clone()
-                            .unwrap()
-                            .to_ascii_lowercase()
-                            .contains("northstarproton")
+                        if !VALID_NORTHSTAR_PROTON_BUILDS
+                            .contains(&compat.clone().name.unwrap().as_str())
                         {
                             return Err(
-                                "Titanfall2 was not configured to use NorthstarProton".to_string()
+                                "Titanfall2 was not configured to use a valid version of NorthstarProton or GE-Proton".to_string(),
                             );
                         }
                     }