Copy GA DLL for Windows Build and Play Mode if it exists

editor/app/src/AnalyticsPlayModeSetup.cs

@@ -0,0 +1,49 @@
+using System;
+using System.IO;
+using UnityEditor;
+using UnityEngine;
+
+namespace Firebase.Editor {
+
+[InitializeOnLoad]
+internal static class AnalyticsPlayModeSetup {
+    private const string DestinationDir = "./";
+
+    static AnalyticsPlayModeSetup() {
+        EditorApplication.playModeStateChanged += OnPlayModeStateChanged;
+    }
+
+    private static void OnPlayModeStateChanged(PlayModeStateChange state) {
+        if (state == PlayModeStateChange.EnteredPlayMode) {
+            if (Application.platform == RuntimePlatform.WindowsEditor) {
+                Type firebaseAnalyticsType = Type.GetType("Firebase.Analytics.FirebaseAnalytics, Firebase.Analytics");
+                if (firebaseAnalyticsType != null) {
+                    if (File.Exists("./analytics_win.dll")) {
+                        string fullSourcePath = Path.GetFullPath("./analytics_win.dll");
+                        // string destinationDirectory = "./"; // This is DestinationDir
+                        string fullDestinationPath = Path.GetFullPath(Path.Combine(DestinationDir, "analytics_win.dll"));
+
+                        if (fullSourcePath.Equals(fullDestinationPath, StringComparison.OrdinalIgnoreCase)) {
+                            Debug.Log("Firebase Analytics: analytics_win.dll is already in the project root. No copy needed for Play Mode.");
+                            return;
+                        }
+
+                        try {
+                            Directory.CreateDirectory(DestinationDir); // Should be benign for "./"
+                            string destinationDllPath = Path.Combine(DestinationDir, "analytics_win.dll");
+                            File.Copy("./analytics_win.dll", destinationDllPath, true);
+                            Debug.Log("Firebase Analytics: Copied analytics_win.dll to project root for Play Mode.");
+                        } catch (Exception e) {
+                            Debug.LogError("Firebase Analytics: Error copying analytics_win.dll for Play Mode: " + e.Message);
+                        }
+                    } else {
+                        // Optional: Log if source DLL is not found, as it might be expected if Analytics is not used.
+                        // Debug.LogWarning("Firebase Analytics: Source DLL ./analytics_win.dll not found. Skipping Play Mode setup.");
+                    }
+                }
+            }
+        }
+    }
+}
+
+} // namespace Firebase.Editor

editor/app/src/DllLocationPatcher.cs

@@ -91,6 +91,32 @@ internal static void OnPostProcessDllLocation(
         }
     }
 
+    [PostProcessBuildAttribute(BUILD_ORDER_PATCH_PROJECT)]
+    internal static void OnPostProcessBuildWindowsAnalytics(
+            BuildTarget buildTarget, string pathToBuiltProject) {
+        if (buildTarget == BuildTarget.StandaloneWindows ||
+            buildTarget == BuildTarget.StandaloneWindows64) {
+            Type firebaseAnalyticsType = Type.GetType("Firebase.Analytics.FirebaseAnalytics, Firebase.Analytics");
+            if (firebaseAnalyticsType != null) {
+                string sourceDllPath = "./analytics_win.dll";
+                if (System.IO.File.Exists(sourceDllPath)) {
+                    try {
+                        string destinationDirectory = Path.Combine(
+                            Path.GetDirectoryName(pathToBuiltProject),
+                            Path.GetFileNameWithoutExtension(pathToBuiltProject) + "_Data",
+                            "Plugins");
+                        System.IO.Directory.CreateDirectory(destinationDirectory);
+                        string destinationDllPath = Path.Combine(destinationDirectory, "analytics_win.dll");
+                        System.IO.File.Copy(sourceDllPath, destinationDllPath, true);
+                        Debug.Log("Firebase Analytics: Copied analytics_win.dll to build plugins directory.");
+                    } catch (System.Exception e) {
+                        Debug.LogError("Firebase Analytics: Error copying analytics_win.dll for build: " + e.Message);
+                    }
+                }
+            }
+        }
+    }
+
     internal static void CopyLibrary(
             string srcFolder, string dstFolder, string prefix, string extension) {
         Debug.Log("Post process to patch App." + extension + "'s location");