finding gamepath from epic launcher (#53)

ow-mods · Jan 8, 2020 · b35af6f · b35af6f
1 parent e1bd5b1
commit b35af6f
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Showing 4 changed files with 32 additions and 6 deletions.
diff --git a/OWML.Launcher/App.cs b/OWML.Launcher/App.cs
@@ -11,7 +11,7 @@ namespace OWML.Launcher
 {
     public class App
     {
-        private const string Version = "0.3.18";
+        private const string Version = "0.3.19";
 
         private readonly IOwmlConfig _owmlConfig;
         private readonly IModConsole _writer;

diff --git a/OWML.Launcher/PathFinder.cs b/OWML.Launcher/PathFinder.cs
@@ -2,6 +2,7 @@
 using System.IO;
 using System.Linq;
 using Microsoft.Win32;
+using Newtonsoft.Json;
 using OWML.Common;
 
 namespace OWML.Launcher
@@ -61,9 +62,28 @@ private string FindInDefaultFolders()
 
         private string FindInRegistry()
         {
-            var key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Outer Wilds_is1");
-            var value = (string)key?.GetValue("InstallLocation");
-            return IsValidGamePath(value) ? value : null;
+            var key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\WOW6432Node\Epic Games\EpicGamesLauncher");
+            var appDataPath = (string)key?.GetValue("AppDataPath");
+            if (string.IsNullOrEmpty(appDataPath))
+            {
+                return null;
+            }
+            var manifestsPath = appDataPath + "Manifests";
+            if (!Directory.Exists(manifestsPath))
+            {
+                return null;
+            }
+            var manifestPaths = Directory.GetFiles(manifestsPath, "*.item", SearchOption.TopDirectoryOnly);
+            foreach (var manifestPath in manifestPaths)
+            {
+                var json = File.ReadAllText(manifestPath);
+                var epicManifest = JsonConvert.DeserializeObject<EpicManifest>(json);
+                if (epicManifest.InstallLocation.Contains("OuterWilds") && IsValidGamePath(epicManifest.InstallLocation))
+                {
+                    return epicManifest.InstallLocation;
+                }
+            }
+            return null;
         }
 
         private string PromptGamePath()
@@ -87,5 +107,11 @@ private bool IsValidGamePath(string gamePath)
                    File.Exists($"{gamePath}/OuterWilds.exe");
         }
 
+        public class EpicManifest
+        {
+            [JsonProperty("InstallLocation")]
+            public string InstallLocation { get; set; }
+        }
+
     }
 }
diff --git a/OWML.SampleMods/OWML.EnableDebugMode/manifest.json b/OWML.SampleMods/OWML.EnableDebugMode/manifest.json
@@ -4,6 +4,6 @@
   "name": "EnableDebugMode",
   "uniqueName": "Alek.EnableDebugMode",
   "version": "0.2",
-  "owmlVersion": "0.3.18",
+  "owmlVersion": "0.3.19",
   "enabled": false
 }
diff --git a/OWML.SampleMods/OWML.LoadCustomAssets/manifest.json b/OWML.SampleMods/OWML.LoadCustomAssets/manifest.json
@@ -4,6 +4,6 @@
   "name": "LoadCustomAssets",
   "uniqueName": "Alek.LoadCustomAssets",
   "version": "0.4",
-  "owmlVersion": "0.3.18",
+  "owmlVersion": "0.3.19",
   "enabled": false
 }