Add Swift project type support

plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Editor/AppleBuild.cs

@@ -321,9 +321,8 @@ public static string GetPbxProjectPath(BuildTarget buildTarget, string pathToBui
             {
                 case BuildTarget.iOS:
                 case BuildTarget.tvOS:
-                    return $"{pathToBuiltProject}/Unity-iPhone.xcodeproj/project.pbxproj";
                 case BuildTarget.VisionOS:
-                    return $"{pathToBuiltProject}/Unity-VisionOS.xcodeproj/project.pbxproj";
+                    return PBXProject.GetPBXProjectPath(pathToBuiltProject);
                 case BuildTarget.StandaloneOSX:
 #if UNITY_2020_1_OR_NEWER
                     return $"{pathToBuiltProject}/{new DirectoryInfo(pathToBuiltProject).Name}.xcodeproj/project.pbxproj";
@@ -335,6 +334,15 @@ public static string GetPbxProjectPath(BuildTarget buildTarget, string pathToBui
             }
         }
 
+        /// <summary>
+        /// Utility method for getting the path of the .xcodeproj bundle Unity generated in provided build project path
+        /// </summary>
+        public static string GetGeneratedXcodeProjectPath(BuildTarget buildTarget, string pathToBuiltProject)
+        {
+            var pbxProjectPath = GetPbxProjectPath(buildTarget, pathToBuiltProject);
+            return pbxProjectPath == null ? null : Path.GetDirectoryName(pbxProjectPath);
+        }
+
         /// <summary>
         /// Utility method for getting a PBXProject object associated with the provided BuildTarget and built project path
         /// </summary>

plug-ins/Apple.PHASE/Apple.PHASE_Unity/Assets/Editor/PHASEBuildStep.cs

@@ -32,7 +32,8 @@ public override void OnBeginPostProcess(AppleBuildProfile appleBuildProfile, Bui
                     project.WriteToFile(projectPath);
                 }
 
-                var xcSettingsPath = $"{pathToBuiltProject}/Unity-iPhone.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings";
+                var xcodeProjectPath = AppleBuild.GetGeneratedXcodeProjectPath(buildTarget, pathToBuiltProject);
+                var xcSettingsPath = $"{xcodeProjectPath}/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings";
                 // Change the xcode project to use the new build system.
                 var xcSettingsDoc = new PlistDocument();
                 if (File.Exists(xcSettingsPath))

plug-ins/Apple.PHASE/Apple.PHASE_Unity/Assets/Plugins/PHASESpatializerAppController.mm

@@ -1,3 +1,8 @@
+// ObjC project type counterpart of PHASESpatializerSwiftRegistration.mm.
+//
+// This file is masked to "XcodeProjectType: ObjectiveC" in its .meta, so exactly one of the two
+// registration files is compiled into any given Xcode project.
+
 #import "UnityAppController.h"
 
 extern "C" {

plug-ins/Apple.PHASE/Apple.PHASE_Unity/Assets/Plugins/PHASESpatializerSwiftRegistration.mm

@@ -0,0 +1,43 @@
+// Swift project type counterpart of PHASESpatializerAppController.mm.
+//
+// This file is masked to "XcodeProjectType: Swift" in its .meta, so exactly one of the two
+// registration files is compiled into any given Xcode project.
+
+#import <Foundation/Foundation.h>
+#import <UnityAPI/UnityAPI-Swift.h>
+
+extern "C" {
+struct UnityAudioEffectDefinition;
+typedef int (*UnityPluginGetAudioEffectDefinitionsFunc)(
+    struct UnityAudioEffectDefinition*** descptr);
+extern void UnityRegisterAudioPlugin(
+    UnityPluginGetAudioEffectDefinitionsFunc getAudioEffectDefinitions);
+extern int UnityGetAudioEffectDefinitions(UnityAudioEffectDefinition*** definitionptr);
+}  // extern "C"
+
+
+@interface PHASESpatializerRegistration : NSObject
+@end
+
+@implementation PHASESpatializerRegistration
+
+static id sPHASERuntimeInitObserver = nil;
+
++ (void)load
+{
+    sPHASERuntimeInitObserver =
+        [[NSNotificationCenter defaultCenter] addObserverForName:UnityNotifications.unityDidInitializeRuntime
+                                                          object:nil
+                                                           queue:nil
+                                                      usingBlock:^(NSNotification* note) {
+            UnityRegisterAudioPlugin(UnityGetAudioEffectDefinitions);
+
+            if (sPHASERuntimeInitObserver != nil)
+            {
+                [[NSNotificationCenter defaultCenter] removeObserver:sPHASERuntimeInitObserver];
+                sPHASERuntimeInitObserver = nil;
+            }
+        }];
+}
+
+@end