add modulemap and post build script to automate unity framework and plugin integration

Author: bdeweygit

UnityProject/Assets/Editor.meta

@@ -0,0 +1,38 @@
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.Callbacks;
+using UnityEditor.iOS.Xcode;
+
+public class PostProcessBuild
+{
+    [PostProcessBuildAttribute]
+    public static void OnPostprocessBuild(BuildTarget target, string buildPath)
+    {
+        if (target == BuildTarget.iOS)
+        {
+            string pbxPath = PBXProject.GetPBXProjectPath(buildPath);
+            PBXProject pbx = new PBXProject();
+            pbx.ReadFromFile(pbxPath);
+
+            string dataDirectoryXcodePath = "Data";
+            string pluginHeaderXcodePath = "Libraries/Plugins/iOS/NativeState.h";
+            string modulemapXcodePath = "UnityFramework/UnityFramework.modulemap";
+            string modulemapUnityPath = "Assets/Plugins/iOS/UnityFramework.modulemap";
+            string modulemapDestinationPath = $"{buildPath}/{modulemapXcodePath}";
+            string modulemapBuildPropertyName = "MODULEMAP_FILE";
+            string unityMainTargetGuid = pbx.GetUnityMainTargetGuid();
+            string unityFrameworkTargetGuid = pbx.GetUnityFrameworkTargetGuid();
+            string dataDirectoryGuid = pbx.FindFileGuidByProjectPath(dataDirectoryXcodePath);
+            string pluginHeaderGuid = pbx.FindFileGuidByProjectPath(pluginHeaderXcodePath);
+
+            FileUtil.CopyFileOrDirectory(modulemapUnityPath, modulemapDestinationPath);
+            pbx.AddFile(modulemapDestinationPath, modulemapXcodePath);
+            pbx.AddBuildProperty(unityFrameworkTargetGuid, modulemapBuildPropertyName, modulemapXcodePath);
+            pbx.RemoveFileFromBuild(unityMainTargetGuid, dataDirectoryGuid);
+            pbx.AddFileToBuild(unityFrameworkTargetGuid, dataDirectoryGuid);
+            pbx.AddPublicHeaderToBuild(unityFrameworkTargetGuid, pluginHeaderGuid);
+
+            pbx.WriteToFile(pbxPath);
+        }
+    }
+}

UnityProject/Assets/Editor/PostProcessBuild.cs

@@ -0,0 +1,11 @@
+framework module UnityFramework {
+  umbrella header "UnityFramework.h"
+
+  export *
+  module * { export * }
+
+  module NativeState {
+      header "NativeState.h"
+      export *
+  }
+}