Merge branch 'stabilization/2110' of https://github.com/aws-lumberyard/o3de into Prism/clouddownloadicon

Signed-off-by: AMZN-Phil <pconroy@amazon.com>

Code/Editor/CryEdit.cpp

@@ -3974,9 +3974,8 @@ void CCryEditApp::OpenLUAEditor(const char* files)
         }
     }
 
-    const char* engineRoot = nullptr;
-    AzFramework::ApplicationRequests::Bus::BroadcastResult(engineRoot, &AzFramework::ApplicationRequests::GetEngineRoot);
-    AZ_Assert(engineRoot != nullptr, "Unable to communicate to AzFramework::ApplicationRequests::Bus");
+    AZ::IO::FixedMaxPathString engineRoot = AZ::Utils::GetEnginePath();
+    AZ_Assert(!engineRoot.empty(), "Unable to query Engine Path");
 
     AZStd::string_view exePath;
     AZ::ComponentApplicationBus::BroadcastResult(exePath, &AZ::ComponentApplicationRequests::GetExecutableFolder);
@@ -3995,7 +3994,7 @@ void CCryEditApp::OpenLUAEditor(const char* files)
 #endif
         "%s", argumentQuoteString, aznumeric_cast<int>(exePath.size()), exePath.data(), argumentQuoteString);
 
-    AZStd::string processArgs = AZStd::string::format("%s -engine-path \"%s\"", args.c_str(), engineRoot);
+    AZStd::string processArgs = AZStd::string::format("%s -engine-path \"%s\"", args.c_str(), engineRoot.c_str());
     StartProcessDetached(process.c_str(), processArgs.c_str());
 }
 

Code/Editor/EditorModularViewportCameraComposer.cpp

@@ -13,9 +13,32 @@
 #include <AzCore/std/smart_ptr/make_shared.h>
 #include <AzFramework/Render/IntersectorInterface.h>
 #include <AzToolsFramework/Viewport/ViewportMessages.h>
+#include <AzToolsFramework/ViewportSelection/EditorSelectionUtil.h>
 #include <AzToolsFramework/ViewportSelection/EditorTransformComponentSelectionRequestBus.h>
 #include <EditorViewportSettings.h>
 
+AZ_CVAR(
+    bool,
+    ed_cameraPinDefaultOrbit,
+    true,
+    nullptr,
+    AZ::ConsoleFunctorFlags::Null,
+    "Sets whether the default orbit point moves with the camera or not");
+AZ_CVAR(
+    bool,
+    ed_cameraDefaultOrbitAxesOrtho,
+    true,
+    nullptr,
+    AZ::ConsoleFunctorFlags::Null,
+    "Sets whether to draw the default orbit point as orthographic or not");
+AZ_CVAR(
+    float,
+    ed_cameraDefaultOrbitFadeDuration,
+    0.5f,
+    nullptr,
+    AZ::ConsoleFunctorFlags::Null,
+    "Sets how long the default orbit point should take to appear and disappear");
+
 namespace SandboxEditor
 {
     static AzFramework::TranslateCameraInputChannelIds BuildTranslateCameraInputChannelIds()
@@ -174,7 +197,7 @@ namespace SandboxEditor
             return SandboxEditor::CameraScrollSpeed();
         };
 
-        const auto pivotFn = []
+        const auto pivotFn = []() -> AZStd::optional<AZ::Vector3>
         {
             // use the manipulator transform as the pivot point
             AZStd::optional<AZ::Transform> entityPivot;
@@ -187,8 +210,7 @@ namespace SandboxEditor
                 return entityPivot->GetTranslation();
             }
 
-            // otherwise just use the identity
-            return AZ::Vector3::CreateZero();
+            return AZStd::nullopt;
         };
 
         m_firstPersonFocusCamera =
@@ -199,9 +221,26 @@ namespace SandboxEditor
         m_orbitCamera = AZStd::make_shared<AzFramework::OrbitCameraInput>(SandboxEditor::CameraOrbitChannelId());
 
         m_orbitCamera->SetPivotFn(
-            [pivotFn]([[maybe_unused]] const AZ::Vector3& position, [[maybe_unused]] const AZ::Vector3& direction)
+            [this, pivotFn](const AZ::Vector3& position, const AZ::Vector3& direction)
             {
-                return pivotFn();
+                // return the pivot
+                if (auto pivot = pivotFn())
+                {
+                    return pivot.value();
+                }
+
+                // start ticking and drawing (for the default pivot)
+                AZ::TickBus::Handler::BusConnect();
+                AzFramework::ViewportDebugDisplayEventBus::Handler::BusConnect(AzToolsFramework::GetEntityContextId());
+
+                m_defaultOrbiting = true;
+                // calculate the default orbit point
+                if (!ed_cameraPinDefaultOrbit || m_orbitCamera->Beginning())
+                {
+                    m_defaultOrbitPoint = position + direction * SandboxEditor::CameraDefaultOrbitDistance();
+                }
+
+                return m_defaultOrbitPoint;
             });
 
         m_orbitRotateCamera = AZStd::make_shared<AzFramework::RotateCameraInput>(SandboxEditor::CameraOrbitLookChannelId());
@@ -306,4 +345,67 @@ namespace SandboxEditor
                 m_viewportId, &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::ClearReferenceFrame);
         }
     }
+
+    void EditorModularViewportCameraComposer::OnTick(const float deltaTime, [[maybe_unused]] AZ::ScriptTimePoint time)
+    {
+        const float delta = [duration = &ed_cameraDefaultOrbitFadeDuration, deltaTime] {
+            if (*duration == 0.0f) {
+                return 1.0f;
+            }
+            return deltaTime / *duration;
+        }();
+
+        if (m_defaultOrbiting)
+        {
+            m_defaultOrbitOpacity = AZStd::min(m_defaultOrbitOpacity + delta, 1.0f);
+        }
+        else
+        {
+            m_defaultOrbitOpacity = AZStd::max(m_defaultOrbitOpacity - delta, 0.0f);
+            if (m_defaultOrbitOpacity == 0.0f)
+            {
+                AZ::TickBus::Handler::BusDisconnect();
+                AzFramework::ViewportDebugDisplayEventBus::Handler::BusDisconnect();
+            }
+        }
+
+        m_defaultOrbiting = false;
+    }
+
+    static void DrawTransformAxis(
+        AzFramework::DebugDisplayRequests& display,
+        const AzFramework::CameraState& cameraState,
+        const AZ::Vector3& pivot,
+        const float axisLength,
+        const float alpha)
+    {
+        const int prevState = display.GetState();
+
+        display.DepthWriteOff();
+        display.DepthTestOff();
+        display.CullOff();
+
+        const float orthoScale =
+            ed_cameraDefaultOrbitAxesOrtho ? AzToolsFramework::CalculateScreenToWorldMultiplier(pivot, cameraState) : 1.0f;
+
+        display.SetColor(AZ::Color::CreateFromVector3AndFloat(AZ::Colors::Red.GetAsVector3(), alpha));
+        display.DrawLine(pivot, pivot + AZ::Vector3::CreateAxisX() * axisLength * orthoScale);
+        display.SetColor(AZ::Color::CreateFromVector3AndFloat(AZ::Colors::LawnGreen.GetAsVector3(), alpha));
+        display.DrawLine(pivot, pivot + AZ::Vector3::CreateAxisY() * axisLength * orthoScale);
+        display.SetColor(AZ::Color::CreateFromVector3AndFloat(AZ::Colors::Blue.GetAsVector3(), alpha));
+        display.DrawLine(pivot, pivot + AZ::Vector3::CreateAxisZ() * axisLength * orthoScale);
+
+        display.DepthWriteOn();
+        display.DepthTestOn();
+        display.CullOn();
+
+        display.SetState(prevState);
+    }
+
+    void EditorModularViewportCameraComposer::DisplayViewport(
+        [[maybe_unused]] const AzFramework::ViewportInfo& viewportInfo, AzFramework::DebugDisplayRequests& debugDisplay)
+    {
+        DrawTransformAxis(
+            debugDisplay, AzToolsFramework::GetCameraState(viewportInfo.m_viewportId), m_defaultOrbitPoint, 1.0f, m_defaultOrbitOpacity);
+    }
 } // namespace SandboxEditor

Code/Editor/EditorModularViewportCameraComposer.h

@@ -9,6 +9,8 @@
 #pragma once
 
 #include <AtomToolsFramework/Viewport/ModularViewportCameraController.h>
+#include <AzCore/Component/TickBus.h>
+#include <AzFramework/Entity/EntityDebugDisplayBus.h>
 #include <AzFramework/Viewport/CameraInput.h>
 #include <AzToolsFramework/API/EditorCameraBus.h>
 #include <EditorModularViewportCameraComposerBus.h>
@@ -20,6 +22,8 @@ namespace SandboxEditor
     class EditorModularViewportCameraComposer
         : private EditorModularViewportCameraComposerNotificationBus::Handler
         , private Camera::EditorCameraNotificationBus::Handler
+        , private AzFramework::ViewportDebugDisplayEventBus::Handler
+        , private AZ::TickBus::Handler
     {
     public:
         SANDBOX_API explicit EditorModularViewportCameraComposer(AzFramework::ViewportId viewportId);
@@ -29,6 +33,12 @@ namespace SandboxEditor
         SANDBOX_API AZStd::shared_ptr<AtomToolsFramework::ModularViewportCameraController> CreateModularViewportCameraController();
 
     private:
+        // AzFramework::ViewportDebugDisplayEventBus overrides ...
+        void DisplayViewport(const AzFramework::ViewportInfo& viewportInfo, AzFramework::DebugDisplayRequests& debugDisplay) override;
+
+        // AZ::TickBus overrides ...
+        void OnTick(float deltaTime, AZ::ScriptTimePoint time) override;
+
         //! Setup all internal camera inputs.
         void SetupCameras();
 
@@ -52,5 +62,9 @@ namespace SandboxEditor
         AZStd::shared_ptr<AzFramework::FocusCameraInput> m_orbitFocusCamera;
 
         AzFramework::ViewportId m_viewportId;
+
+        float m_defaultOrbitOpacity = 0.0f; //!< The default orbit axes opacity (to fade in and out).
+        AZ::Vector3 m_defaultOrbitPoint = AZ::Vector3::CreateZero(); //!< The orbit point to use when no entity is selected.
+        bool m_defaultOrbiting = false; //!< Is the camera default orbiting (orbiting when there's no selected entity).
     };
 } // namespace SandboxEditor

Code/Editor/EditorPreferencesPageViewportCamera.cpp

@@ -61,7 +61,7 @@ static AZStd::vector<AZStd::string> GetEditorInputNames()
 void CEditorPreferencesPage_ViewportCamera::Reflect(AZ::SerializeContext& serialize)
 {
     serialize.Class<CameraMovementSettings>()
-        ->Version(3)
+        ->Version(4)
         ->Field("TranslateSpeed", &CameraMovementSettings::m_translateSpeed)
         ->Field("RotateSpeed", &CameraMovementSettings::m_rotateSpeed)
         ->Field("BoostMultiplier", &CameraMovementSettings::m_boostMultiplier)
@@ -76,9 +76,8 @@ void CEditorPreferencesPage_ViewportCamera::Reflect(AZ::SerializeContext& serial
         ->Field("OrbitYawRotationInverted", &CameraMovementSettings::m_orbitYawRotationInverted)
         ->Field("PanInvertedX", &CameraMovementSettings::m_panInvertedX)
         ->Field("PanInvertedY", &CameraMovementSettings::m_panInvertedY)
-        ->Field("DefaultPositionX", &CameraMovementSettings::m_defaultCameraPositionX)
-        ->Field("DefaultPositionY", &CameraMovementSettings::m_defaultCameraPositionY)
-        ->Field("DefaultPositionZ", &CameraMovementSettings::m_defaultCameraPositionZ);
+        ->Field("DefaultPosition", &CameraMovementSettings::m_defaultPosition)
+        ->Field("DefaultOrbitDistance", &CameraMovementSettings::m_defaultOrbitDistance);
 
     serialize.Class<CameraInputSettings>()
         ->Version(2)
@@ -159,14 +158,12 @@ void CEditorPreferencesPage_ViewportCamera::Reflect(AZ::SerializeContext& serial
                 AZ::Edit::UIHandlers::CheckBox, &CameraMovementSettings::m_captureCursorLook, "Camera Capture Look Cursor",
                 "Should the cursor be captured (hidden) while performing free look")
             ->DataElement(
-                AZ::Edit::UIHandlers::SpinBox, &CameraMovementSettings::m_defaultCameraPositionX, "Default X Camera Position",
-                "Default X Camera Position when a level is opened")
+                AZ::Edit::UIHandlers::Vector3, &CameraMovementSettings::m_defaultPosition, "Default Camera Position",
+                "Default Camera Position when a level is first opened")
             ->DataElement(
-                AZ::Edit::UIHandlers::SpinBox, &CameraMovementSettings::m_defaultCameraPositionY, "Default Y Camera Position",
-                "Default Y Camera Position when a level is opened")
-            ->DataElement(
-                AZ::Edit::UIHandlers::SpinBox, &CameraMovementSettings::m_defaultCameraPositionZ, "Default Z Camera Position",
-                "Default Z Camera Position when a level is opened");
+                AZ::Edit::UIHandlers::SpinBox, &CameraMovementSettings::m_defaultOrbitDistance, "Default Orbit Distance",
+                "The default distance to orbit about when there is no entity selected")
+            ->Attribute(AZ::Edit::Attributes::Min, minValue);
 
         editContext->Class<CameraInputSettings>("Camera Input Settings", "")
             ->DataElement(
@@ -283,12 +280,8 @@ void CEditorPreferencesPage_ViewportCamera::OnApply()
     SandboxEditor::SetCameraOrbitYawRotationInverted(m_cameraMovementSettings.m_orbitYawRotationInverted);
     SandboxEditor::SetCameraPanInvertedX(m_cameraMovementSettings.m_panInvertedX);
     SandboxEditor::SetCameraPanInvertedY(m_cameraMovementSettings.m_panInvertedY);
-    SandboxEditor::SetDefaultCameraEditorPosition(
-        AZ::Vector3(
-            m_cameraMovementSettings.m_defaultCameraPositionX,
-            m_cameraMovementSettings.m_defaultCameraPositionY,
-            m_cameraMovementSettings.m_defaultCameraPositionZ
-        ));
+    SandboxEditor::SetCameraDefaultEditorPosition(m_cameraMovementSettings.m_defaultPosition);
+    SandboxEditor::SetCameraDefaultOrbitDistance(m_cameraMovementSettings.m_defaultOrbitDistance);
 
     SandboxEditor::SetCameraTranslateForwardChannelId(m_cameraInputSettings.m_translateForwardChannelId);
     SandboxEditor::SetCameraTranslateBackwardChannelId(m_cameraInputSettings.m_translateBackwardChannelId);
@@ -325,11 +318,8 @@ void CEditorPreferencesPage_ViewportCamera::InitializeSettings()
     m_cameraMovementSettings.m_orbitYawRotationInverted = SandboxEditor::CameraOrbitYawRotationInverted();
     m_cameraMovementSettings.m_panInvertedX = SandboxEditor::CameraPanInvertedX();
     m_cameraMovementSettings.m_panInvertedY = SandboxEditor::CameraPanInvertedY();
-
-    AZ::Vector3 defaultCameraPosition = SandboxEditor::DefaultEditorCameraPosition();
-    m_cameraMovementSettings.m_defaultCameraPositionX = defaultCameraPosition.GetX();
-    m_cameraMovementSettings.m_defaultCameraPositionY = defaultCameraPosition.GetY();
-    m_cameraMovementSettings.m_defaultCameraPositionZ = defaultCameraPosition.GetZ();
+    m_cameraMovementSettings.m_defaultPosition = SandboxEditor::CameraDefaultEditorPosition();
+    m_cameraMovementSettings.m_defaultOrbitDistance = SandboxEditor::CameraDefaultOrbitDistance();
 
     m_cameraInputSettings.m_translateForwardChannelId = SandboxEditor::CameraTranslateForwardChannelId().GetName();
     m_cameraInputSettings.m_translateBackwardChannelId = SandboxEditor::CameraTranslateBackwardChannelId().GetName();

Code/Editor/EditorPreferencesPageViewportCamera.h

@@ -9,9 +9,12 @@
 #pragma once
 
 #include "Include/IPreferencesPage.h"
+
+#include <AzCore/Math/Vector3.h>
 #include <AzCore/RTTI/RTTI.h>
 #include <AzCore/Serialization/EditContext.h>
 #include <AzCore/Serialization/SerializeContext.h>
+
 #include <QIcon>
 
 inline AZ::Crc32 EditorPropertyVisibility(const bool enabled)
@@ -43,6 +46,7 @@ private:
     {
         AZ_TYPE_INFO(CameraMovementSettings, "{60B8C07E-5F48-4171-A50B-F45558B5CCA1}")
 
+        AZ::Vector3 m_defaultPosition;
         float m_translateSpeed;
         float m_rotateSpeed;
         float m_scrollSpeed;
@@ -50,16 +54,14 @@ private:
         float m_panSpeed;
         float m_boostMultiplier;
         float m_rotateSmoothness;
-        bool m_rotateSmoothing;
         float m_translateSmoothness;
-        bool m_translateSmoothing;
+        float m_defaultOrbitDistance;
         bool m_captureCursorLook;
         bool m_orbitYawRotationInverted;
         bool m_panInvertedX;
         bool m_panInvertedY;
-        float m_defaultCameraPositionX;
-        float m_defaultCameraPositionY;
-        float m_defaultCameraPositionZ;
+        bool m_rotateSmoothing;
+        bool m_translateSmoothing;
 
         AZ::Crc32 RotateSmoothingVisibility() const
         {

Code/Editor/EditorViewportSettings.cpp

@@ -38,6 +38,7 @@ namespace SandboxEditor
     constexpr AZStd::string_view CameraTranslateSmoothingSetting = "/Amazon/Preferences/Editor/Camera/TranslateSmoothing";
     constexpr AZStd::string_view CameraRotateSmoothingSetting = "/Amazon/Preferences/Editor/Camera/RotateSmoothing";
     constexpr AZStd::string_view CameraCaptureCursorLookSetting = "/Amazon/Preferences/Editor/Camera/CaptureCursorLook";
+    constexpr AZStd::string_view CameraDefaultOrbitDistanceSetting = "/Amazon/Preferences/Editor/Camera/DefaultOrbitDistance";
     constexpr AZStd::string_view CameraTranslateForwardIdSetting = "/Amazon/Preferences/Editor/Camera/CameraTranslateForwardId";
     constexpr AZStd::string_view CameraTranslateBackwardIdSetting = "/Amazon/Preferences/Editor/Camera/CameraTranslateBackwardId";
     constexpr AZStd::string_view CameraTranslateLeftIdSetting = "/Amazon/Preferences/Editor/Camera/CameraTranslateLeftId";
@@ -114,15 +115,15 @@ namespace SandboxEditor
         return AZStd::make_unique<EditorViewportSettingsCallbacksImpl>();
     }
 
-    AZ::Vector3 DefaultEditorCameraPosition()
+    AZ::Vector3 CameraDefaultEditorPosition()
     {
-        float xPosition = aznumeric_cast<float>(GetRegistry(CameraDefaultStartingPositionX, 0.0));
-        float yPosition = aznumeric_cast<float>(GetRegistry(CameraDefaultStartingPositionY, -10.0));
-        float zPosition = aznumeric_cast<float>(GetRegistry(CameraDefaultStartingPositionZ, 4.0));
-        return AZ::Vector3(xPosition, yPosition, zPosition);
+        return AZ::Vector3(
+            aznumeric_cast<float>(GetRegistry(CameraDefaultStartingPositionX, 0.0)),
+            aznumeric_cast<float>(GetRegistry(CameraDefaultStartingPositionY, -10.0)),
+            aznumeric_cast<float>(GetRegistry(CameraDefaultStartingPositionZ, 4.0)));
     }
 
-    void SetDefaultCameraEditorPosition(const AZ::Vector3 defaultCameraPosition)
+    void SetCameraDefaultEditorPosition(const AZ::Vector3& defaultCameraPosition)
     {
         SetRegistry(CameraDefaultStartingPositionX, defaultCameraPosition.GetX());
         SetRegistry(CameraDefaultStartingPositionY, defaultCameraPosition.GetY());
@@ -359,6 +360,16 @@ namespace SandboxEditor
         SetRegistry(CameraCaptureCursorLookSetting, capture);
     }
 
+    float CameraDefaultOrbitDistance()
+    {
+        return aznumeric_cast<float>(GetRegistry(CameraDefaultOrbitDistanceSetting, 20.0));
+    }
+
+    void SetCameraDefaultOrbitDistance(const float distance)
+    {
+        SetRegistry(CameraDefaultOrbitDistanceSetting, distance);
+    }
+
     AzFramework::InputChannelId CameraTranslateForwardChannelId()
     {
         return AzFramework::InputChannelId(

Code/Editor/EditorViewportSettings.h

@@ -33,9 +33,6 @@ namespace SandboxEditor
     //! event will fire when a value in the settings registry (editorpreferences.setreg) is modified.
     SANDBOX_API AZStd::unique_ptr<EditorViewportSettingsCallbacks> CreateEditorViewportSettingsCallbacks();
 
-    SANDBOX_API AZ::Vector3 DefaultEditorCameraPosition();
-    SANDBOX_API void SetDefaultCameraEditorPosition(AZ::Vector3 defaultCameraPosition);
-
     SANDBOX_API AZ::u64 MaxItemsShownInAssetBrowserSearch();
     SANDBOX_API void SetMaxItemsShownInAssetBrowserSearch(AZ::u64 numberOfItemsShown);
 
@@ -105,6 +102,12 @@ namespace SandboxEditor
     SANDBOX_API bool CameraCaptureCursorForLook();
     SANDBOX_API void SetCameraCaptureCursorForLook(bool capture);
 
+    SANDBOX_API AZ::Vector3 CameraDefaultEditorPosition();
+    SANDBOX_API void SetCameraDefaultEditorPosition(const AZ::Vector3& position);
+
+    SANDBOX_API float CameraDefaultOrbitDistance();
+    SANDBOX_API void SetCameraDefaultOrbitDistance(float distance);
+
     SANDBOX_API AzFramework::InputChannelId CameraTranslateForwardChannelId();
     SANDBOX_API void SetCameraTranslateForwardChannelId(AZStd::string_view cameraTranslateForwardId);
 

Code/Editor/EditorViewportWidget.cpp

@@ -620,9 +620,9 @@ void EditorViewportWidget::OnEditorNotifyEvent(EEditorNotifyEvent event)
         break;
 
     case eNotify_OnEndNewScene:
-        PopDisableRendering();
-
         {
+            PopDisableRendering();
+
             Matrix34 viewTM;
             viewTM.SetIdentity();
 
@@ -638,9 +638,9 @@ void EditorViewportWidget::OnEditorNotifyEvent(EEditorNotifyEvent event)
         break;
 
     case eNotify_OnEndTerrainCreate:
-        PopDisableRendering();
-
         {
+            PopDisableRendering();
+
             Matrix34 viewTM;
             viewTM.SetIdentity();
 
@@ -2021,10 +2021,6 @@ void EditorViewportWidget::SetDefaultCamera()
     GetViewManager()->SetCameraObjectId(GUID_NULL);
     SetName(m_defaultViewName);
 
-    // Set the default Editor Camera position.
-    m_defaultViewTM.SetTranslation(Vec3(m_editorViewportSettings.DefaultEditorCameraPosition()));
-    SetViewTM(m_defaultViewTM);
-
     // Synchronize the configured editor viewport FOV to the default camera
     if (m_viewPane)
     {
@@ -2041,6 +2037,10 @@ void EditorViewportWidget::SetDefaultCamera()
         atomViewportRequests->PushView(contextName, m_defaultView);
     }
 
+    // Set the default Editor Camera position.
+    m_defaultViewTM.SetTranslation(Vec3(m_editorViewportSettings.DefaultEditorCameraPosition()));
+    SetViewTM(m_defaultViewTM);
+
     PostCameraSet();
 }
 
@@ -2527,7 +2527,7 @@ bool EditorViewportSettings::StickySelectEnabled() const
 
 AZ::Vector3 EditorViewportSettings::DefaultEditorCameraPosition() const
 {
-    return SandboxEditor::DefaultEditorCameraPosition();
+    return SandboxEditor::CameraDefaultEditorPosition();
 }
 
 AZ_CVAR_EXTERNED(bool, ed_previewGameInFullscreen_once);

Code/Editor/Include/IFileUtil.h

@@ -114,9 +114,7 @@ struct IFileUtil
 
     virtual void ShowInExplorer(const QString& path) = 0;
 
-    virtual bool CompileLuaFile(const char* luaFilename) = 0;
     virtual bool ExtractFile(QString& file, bool bMsgBoxAskForExtraction = true, const char* pDestinationFilename = nullptr) = 0;
-    virtual void EditTextFile(const char* txtFile, int line = 0, ETextFileType fileType = FILE_TYPE_SCRIPT) = 0;
     virtual void EditTextureFile(const char* txtureFile, bool bUseGameFolder) = 0;
 
     //! dcc filename calculation and extraction sub-routines

Code/Editor/Util/FileUtil.cpp

@@ -23,9 +23,9 @@
 // AzCore
 #include <AzCore/Component/TickBus.h>
 #include <AzCore/Settings/SettingsRegistryMergeUtils.h>
+#include <AzCore/Utils/Utils.h>
 
 // AzFramework
-#include <AzFramework/API/ApplicationAPI.h>
 
 // AzQtComponents
 #include <AzQtComponents/Utilities/DesktopUtilities.h>
@@ -62,84 +62,6 @@ CAutoRestorePrimaryCDRoot::~CAutoRestorePrimaryCDRoot()
     QDir::setCurrent(GetIEditor()->GetPrimaryCDFolder());
 }
 
-bool CFileUtil::CompileLuaFile(const char* luaFilename)
-{
-    QString luaFile = luaFilename;
-
-    if (luaFile.isEmpty())
-    {
-        return false;
-    }
-
-    // Check if this file is in Archive.
-    {
-        CCryFile file;
-        if (file.Open(luaFilename, "rb"))
-        {
-            // Check if in pack.
-            if (file.IsInPak())
-            {
-                return true;
-            }
-        }
-    }
-
-    luaFile = Path::GamePathToFullPath(luaFilename);
-
-    // First try compiling script and see if it have any errors.
-    QString LuaCompiler;
-    QString CompilerOutput;
-
-    // Create the filepath of the lua compiler
-    QString szExeFileName = qApp->applicationFilePath();
-    QString exePath = Path::GetPath(szExeFileName);
-
-#if defined(AZ_PLATFORM_WINDOWS)
-    const char* luaCompiler = "LuaCompiler.exe";
-#else
-    const char* luaCompiler = "lua";
-#endif
-    LuaCompiler = Path::AddPathSlash(exePath) + luaCompiler + " ";
-
-    AZStd::string path = luaFile.toUtf8().data();
-    EBUS_EVENT(AzFramework::ApplicationRequests::Bus, NormalizePath, path);
-
-    QString finalPath = path.c_str();
-    finalPath = "\"" + finalPath + "\"";
-
-    // Add the name of the Lua file
-    QString cmdLine = LuaCompiler + finalPath;
-
-    // Execute the compiler and capture the output
-    if (!GetIEditor()->ExecuteConsoleApp(cmdLine, CompilerOutput))
-    {
-        QMessageBox::critical(QApplication::activeWindow(), QString(), QObject::tr("Error while executing '%1', make sure the file is in" \
-            " your Primary CD folder !").arg(luaCompiler));
-        return false;
-    }
-
-    // Check return string
-    if (!CompilerOutput.isEmpty())
-    {
-        // Errors while compiling file.
-
-        // Show output from Lua compiler
-        if (QMessageBox::critical(QApplication::activeWindow(), QObject::tr("Lua Compiler"),
-            QObject::tr("Error output from Lua compiler:\r\n%1\r\nDo you want to edit the file ?").arg(CompilerOutput), QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)
-        {
-            int line = 0;
-            int index = CompilerOutput.indexOf("at line");
-            if (index >= 0)
-            {
-                azsscanf(CompilerOutput.mid(index).toUtf8().data(), "at line %d", &line);
-            }
-            // Open the Lua file for editing
-            EditTextFile(luaFile.toUtf8().data(), line);
-        }
-        return false;
-    }
-    return true;
-}
 //////////////////////////////////////////////////////////////////////////
 bool CFileUtil::ExtractFile(QString& file, bool bMsgBoxAskForExtraction, const char* pDestinationFilename)
 {
@@ -205,7 +127,7 @@ void CFileUtil::EditTextFile(const char* txtFile, int line, IFileUtil::ETextFile
 {
     QString file = txtFile;
 
-    QString fullPathName =  Path::GamePathToFullPath(file);
+    QString fullPathName = Path::GamePathToFullPath(file);
     ExtractFile(fullPathName);
     QString cmd(fullPathName);
 #if defined (AZ_PLATFORM_WINDOWS)
@@ -301,64 +223,6 @@ void CFileUtil::EditTextureFile(const char* textureFile, [[maybe_unused]] bool b
     }
 }
 
-//////////////////////////////////////////////////////////////////////////
-bool CFileUtil::EditMayaFile(const char* filepath, const bool bExtractFromPak, const bool bUseGameFolder)
-{
-    QString dosFilepath = PathUtil::ToDosPath(filepath).c_str();
-    if (bExtractFromPak)
-    {
-        ExtractFile(dosFilepath);
-    }
-
-    if (bUseGameFolder)
-    {
-        const QString sGameFolder = Path::GetEditingGameDataFolder().c_str();
-        int nLength = sGameFolder.toUtf8().count();
-        if (azstrnicmp(filepath, sGameFolder.toUtf8().data(), nLength) != 0)
-        {
-            dosFilepath = sGameFolder + '\\' + filepath;
-        }
-
-        dosFilepath = PathUtil::ToDosPath(dosFilepath.toUtf8().data()).c_str();
-    }
-
-    const char* engineRoot;
-    EBUS_EVENT_RESULT(engineRoot, AzFramework::ApplicationRequests::Bus, GetEngineRoot);
-
-    const QString fullPath = QString(engineRoot) + '\\' + dosFilepath;
-
-    if (gSettings.animEditor.isEmpty())
-    {
-        AzQtComponents::ShowFileOnDesktop(fullPath);
-    }
-    else
-    {
-        if (!QProcess::startDetached(gSettings.animEditor, { fullPath }))
-        {
-            CryMessageBox("Can't open the file. You can specify a source editor in Sandbox Preferences or create an association in Windows.", "Cannot open file!", MB_OK | MB_ICONERROR);
-        }
-    }
-    return true;
-}
-
-//////////////////////////////////////////////////////////////////////////
-bool CFileUtil::EditFile(const char* filePath, const bool bExtrackFromPak, const bool bUseGameFolder)
-{
-    QString extension = filePath;
-    extension.remove(0, extension.lastIndexOf('.'));
-
-    if (extension.compare(".ma") == 0)
-    {
-        return EditMayaFile(filePath, bExtrackFromPak, bUseGameFolder);
-    }
-    else if ((extension.compare(".bspace") == 0) || (extension.compare(".comb") == 0))
-    {
-        EditTextFile(filePath, 0, IFileUtil::FILE_TYPE_BSPACE);
-        return true;
-    }
-
-    return false;
-}
 
 //////////////////////////////////////////////////////////////////////////
 bool CFileUtil::CalculateDccFilename(const QString& assetFilename, QString& dccFilename)

Code/Editor/Util/FileUtil.h

@@ -25,14 +25,9 @@ public:
 
     static void ShowInExplorer(const QString& path);
 
-    // Try to compile the given lua file: returns true if compilation succeeded, false on failure.
-    static bool CompileLuaFile(const char* luaFilename);
-
     static bool ExtractFile(QString& file, bool bMsgBoxAskForExtraction = true, const char* pDestinationFilename = nullptr);
     static void EditTextFile(const char* txtFile, int line = 0, IFileUtil::ETextFileType fileType = IFileUtil::FILE_TYPE_SCRIPT);
     static void EditTextureFile(const char* txtureFile, bool bUseGameFolder);
-    static bool EditMayaFile(const char* mayaFile, const bool bExtractFromPak, const bool bUseGameFolder);
-    static bool EditFile(const char* filePath, const bool bExtrackFromPak, const bool bUseGameFolder);
 
     //! dcc filename calculation and extraction sub-routines
     static bool CalculateDccFilename(const QString& assetFilename, QString& dccFilename);

Code/Editor/Util/FileUtil_impl.cpp

@@ -20,21 +20,11 @@ void CFileUtil_impl::ShowInExplorer(const QString& path)
     CFileUtil::ShowInExplorer(path);
 }
 
-bool CFileUtil_impl::CompileLuaFile(const char* luaFilename)
-{
-    return CFileUtil::CompileLuaFile(luaFilename);
-}
-
 bool CFileUtil_impl::ExtractFile(QString& file, bool bMsgBoxAskForExtraction, const char* pDestinationFilename)
 {
     return CFileUtil::ExtractFile(file, bMsgBoxAskForExtraction, pDestinationFilename);
 }
 
-void CFileUtil_impl::EditTextFile(const char* txtFile, int line, ETextFileType fileType)
-{
-    CFileUtil::EditTextFile(txtFile, line, fileType);
-}
-
 void CFileUtil_impl::EditTextureFile(const char* txtureFile, bool bUseGameFolder)
 {
     CFileUtil::EditTextureFile(txtureFile, bUseGameFolder);

Code/Editor/Util/FileUtil_impl.h

@@ -36,9 +36,7 @@ public:
 
     void ShowInExplorer(const QString& path) override;
 
-    bool CompileLuaFile(const char* luaFilename) override;
     bool ExtractFile(QString& file, bool bMsgBoxAskForExtraction = true, const char* pDestinationFilename = nullptr) override;
-    void EditTextFile(const char* txtFile, int line = 0, ETextFileType fileType = FILE_TYPE_SCRIPT) override;
     void EditTextureFile(const char* txtureFile, bool bUseGameFolder) override;
 
     //! dcc filename calculation and extraction sub-routines

Code/Editor/Util/PathUtil.cpp

@@ -14,7 +14,6 @@
 #include <AzCore/Settings/SettingsRegistryMergeUtils.h>
 #include <AzCore/Utils/Utils.h>
 #include <AzToolsFramework/API/EditorAssetSystemAPI.h> // for ebus events
-#include <AzFramework/API/ApplicationAPI.h>
 #include <AzCore/std/string/conversions.h>
 #include <AzFramework/IO/LocalFileIO.h>
 
@@ -175,9 +174,8 @@ namespace Path
     //////////////////////////////////////////////////////////////////////////
     QString GetEngineRootPath()
     {
-        const char* engineRoot;
-        EBUS_EVENT_RESULT(engineRoot, AzFramework::ApplicationRequests::Bus, GetEngineRoot);
-        return QString(engineRoot);
+        const AZ::IO::FixedMaxPathString engineRoot = AZ::Utils::GetEnginePath();
+        return QString::fromUtf8(engineRoot.c_str(), static_cast<int>(engineRoot.size()));
     }
 
     //////////////////////////////////////////////////////////////////////////

Code/Editor/WelcomeScreen/WelcomeScreenDialog.cpp

@@ -25,8 +25,6 @@
 
 #include <AzCore/Utils/Utils.h>
 
-// AzFramework
-#include <AzFramework/API/ApplicationAPI.h>
 
 // AzToolsFramework
 #include <AzToolsFramework/UI/UICore/WidgetHelpers.h>
@@ -173,9 +171,6 @@ void WelcomeScreenDialog::SetRecentFileList(RecentFileList* pList)
 
     m_pRecentList = pList;
 
-    const char* engineRoot;
-    EBUS_EVENT_RESULT(engineRoot, AzFramework::ApplicationRequests::Bus, GetEngineRoot);
-
     auto projectPath = AZ::Utils::GetProjectPath();
     QString gamePath{projectPath.c_str()};
     Path::ConvertSlashToBackSlash(gamePath);

Code/Framework/AzCore/AzCore/Component/ComponentApplication.cpp

@@ -485,16 +485,6 @@ namespace AZ
         constexpr bool executeRegDumpCommands = false;
         SettingsRegistryMergeUtils::MergeSettingsToRegistry_CommandLine(*m_settingsRegistry, m_commandLine, executeRegDumpCommands);
 
-        // Query for the Executable Path using OS specific functions
-        CalculateExecutablePath();
-
-        // Determine the path to the engine
-        CalculateEngineRoot();
-
-        // If the current platform returns an engaged optional from Utils::GetDefaultAppRootPath(), that is used
-        // for the application root.
-        CalculateAppRoot();
-
         SettingsRegistryMergeUtils::MergeSettingsToRegistry_O3deUserRegistry(*m_settingsRegistry, AZ_TRAIT_OS_PLATFORM_CODENAME, {});
         SettingsRegistryMergeUtils::MergeSettingsToRegistry_CommandLine(*m_settingsRegistry, m_commandLine, executeRegDumpCommands);
         SettingsRegistryMergeUtils::MergeSettingsToRegistry_AddRuntimeFilePaths(*m_settingsRegistry);
@@ -614,7 +604,8 @@ namespace AZ
     {
         AZ_Assert(!m_isStarted, "Component application already started!");
 
-        if (m_engineRoot.empty())
+        using Type = AZ::SettingsRegistryInterface::Type;
+        if (m_settingsRegistry->GetType(SettingsRegistryMergeUtils::FilePathKey_EngineRootFolder) == Type::NoType)
         {
             ReportBadEngineRoot();
             return nullptr;
@@ -1180,6 +1171,24 @@ namespace AZ
         return ReflectionEnvironment::GetReflectionManager() ? ReflectionEnvironment::GetReflectionManager()->GetReflectContext<JsonRegistrationContext>() : nullptr;
     }
 
+    /// Returns the path to the engine.
+
+    const char* ComponentApplication::GetEngineRoot() const
+    {
+        static IO::FixedMaxPathString engineRoot;
+        engineRoot.clear();
+        m_settingsRegistry->Get(engineRoot, SettingsRegistryMergeUtils::FilePathKey_EngineRootFolder);
+        return engineRoot.c_str();
+    }
+
+    const char* ComponentApplication::GetExecutableFolder() const
+    {
+        static IO::FixedMaxPathString exeFolder;
+        exeFolder.clear();
+        m_settingsRegistry->Get(exeFolder, SettingsRegistryMergeUtils::FilePathKey_BinaryFolder);
+        return exeFolder.c_str();
+    }
+
     //=========================================================================
     // CreateReflectionManager
     //=========================================================================
@@ -1485,27 +1494,6 @@ namespace AZ
         }
     }
 
-    //=========================================================================
-    // CalculateExecutablePath
-    //=========================================================================
-    void ComponentApplication::CalculateExecutablePath()
-    {
-        m_exeDirectory = Utils::GetExecutableDirectory();
-    }
-
-    void ComponentApplication::CalculateAppRoot()
-    {
-        if (AZStd::optional<AZ::StringFunc::Path::FixedString> appRootPath = Utils::GetDefaultAppRootPath(); appRootPath)
-        {
-            m_appRoot = AZStd::move(*appRootPath);
-        }
-    }
-
-    void ComponentApplication::CalculateEngineRoot()
-    {
-        m_engineRoot = AZ::SettingsRegistryMergeUtils::FindEngineRoot(*m_settingsRegistry).Native();
-    }
-
     void ComponentApplication::ResolveModulePath([[maybe_unused]] AZ::OSString& modulePath)
     {
         // No special parsing of the Module Path is done by the Component Application anymore

Code/Framework/AzCore/AzCore/Component/ComponentApplication.h

@@ -221,13 +221,10 @@ namespace AZ
         BehaviorContext* GetBehaviorContext() override;
         /// Returns the json registration context that has been registered with the app, if there is one.
         JsonRegistrationContext* GetJsonRegistrationContext() override;
-        /// Returns the working root folder that has been registered with the app, if there is one.
-        /// It's expected that derived applications will implement an application root.
-        const char* GetAppRoot() const override { return m_appRoot.c_str(); }
         /// Returns the path to the engine.
-        const char* GetEngineRoot() const override { return m_engineRoot.c_str(); }
+        const char* GetEngineRoot() const override;
         /// Returns the path to the folder the executable is in.
-        const char* GetExecutableFolder() const override { return m_exeDirectory.c_str(); }
+        const char* GetExecutableFolder() const override;
 
         //////////////////////////////////////////////////////////////////////////
         /// TickRequestBus
@@ -352,15 +349,6 @@ namespace AZ
         /// Adds system components requested by modules and the application to the system entity.
         void AddRequiredSystemComponents(AZ::Entity* systemEntity);
 
-        /// Calculates the directory the application executable comes from.
-        void CalculateExecutablePath();
-
-        /// Calculates the root directory of the engine.
-        void CalculateEngineRoot();
-
-        /// Deprecated: The term "AppRoot" has no meaning
-        void CalculateAppRoot();
-
         template<typename Iterator>
         static void NormalizePath(Iterator begin, Iterator end, bool doLowercase = true)
         {
@@ -388,9 +376,6 @@ namespace AZ
         void*                                       m_fixedMemoryBlock{ nullptr }; //!< Pointer to the memory block allocator, so we can free it OnDestroy.
         IAllocatorAllocate*                         m_osAllocator{ nullptr };
         EntitySetType                               m_entities;
-        AZ::IO::FixedMaxPath                        m_exeDirectory;
-        AZ::IO::FixedMaxPath                        m_engineRoot;
-        AZ::IO::FixedMaxPath                        m_appRoot;
 
         AZ::SettingsRegistryInterface::NotifyEventHandler m_projectPathChangedHandler;
         AZ::SettingsRegistryInterface::NotifyEventHandler m_projectNameChangedHandler;

Code/Framework/AzCore/AzCore/Component/ComponentApplicationBus.h

@@ -175,10 +175,6 @@ namespace AZ
         //! the serializers used by the best-effort json serialization.
         virtual class JsonRegistrationContext* GetJsonRegistrationContext() = 0;
 
-        //! Gets the name of the working root folder that was registered with the app.
-        //! @return a pointer to the name of the app's root folder, if a root folder was registered.
-        virtual const char* GetAppRoot() const = 0;
-
         //! Gets the path of the working engine folder that the app is a part of.
         //! @return a pointer to the engine path.
         virtual const char* GetEngineRoot() const = 0;

Code/Framework/AzCore/AzCore/Settings/SettingsRegistryMergeUtils.cpp

@@ -266,7 +266,8 @@ namespace AZ::SettingsRegistryMergeUtils
 
         // Step 3 locate the project root and attempt to find the engine root using the registered engine
         // for the project in the project.json file
-        AZ::IO::FixedMaxPath projectRoot = FindProjectRoot(settingsRegistry);
+        AZ::IO::FixedMaxPath projectRoot;
+        settingsRegistry.Get(projectRoot.Native(), FilePathKey_ProjectPath);
         if (projectRoot.empty())
         {
             return {};
@@ -668,7 +669,7 @@ namespace AZ::SettingsRegistryMergeUtils
         // NOTE: We make the project-path in the BootstrapSettingsRootKey absolute first
 
         AZ::IO::FixedMaxPath projectPath = FindProjectRoot(registry);
-        if (constexpr auto projectPathKey = FixedValueString(BootstrapSettingsRootKey) + "/project_path";
+        if ([[maybe_unused]] constexpr auto projectPathKey = FixedValueString(BootstrapSettingsRootKey) + "/project_path";
             !projectPath.empty())
         {
             if (projectPath.IsRelative())
@@ -693,6 +694,7 @@ namespace AZ::SettingsRegistryMergeUtils
                 R"(Project path isn't set in the Settings Registry at "%.*s".)"
                 " Project-related filepaths will be set relative to the executable directory\n",
                 AZ_STRING_ARG(projectPathKey));
+            projectPath = exePath;
             registry.Set(FilePathKey_ProjectPath, exePath.Native());
         }
 

Code/Framework/AzCore/AzCore/StringFunc/StringFunc.cpp

@@ -1427,26 +1427,36 @@ namespace AZ
 
         namespace AssetPath
         {
-            void CalculateBranchToken(const AZStd::string& appRootPath, AZStd::string& token)
+            namespace Internal
             {
-                // Normalize the token to prepare for CRC32 calculation
-                AZStd::string normalized = appRootPath;
+                AZ::u32 CalculateBranchTokenHash(AZStd::string_view engineRootPath)
+                {
+                    // Normalize the token to prepare for CRC32 calculation
+                    auto NormalizeEnginePath = [](const char element) -> char
+                    {
+                        // Substitute path separators with '_' and lower case
+                        return element == AZ::IO::WindowsPathSeparator || element == AZ::IO::PosixPathSeparator
+                            ? '_' : static_cast<char>(std::tolower(element));
+                    };
 
-                // Strip out any trailing path separators
-                AZ::StringFunc::Strip(normalized, AZ_CORRECT_FILESYSTEM_SEPARATOR_STRING  AZ_WRONG_FILESYSTEM_SEPARATOR_STRING,false, false, true);
+                    // Trim off trailing path separators
+                    engineRootPath = RStrip(engineRootPath, AZ_CORRECT_AND_WRONG_FILESYSTEM_SEPARATOR);
+                    AZ::IO::FixedMaxPathString enginePath;
+                    AZStd::transform(engineRootPath.begin(), engineRootPath.end(),
+                        AZStd::back_inserter(enginePath), AZStd::move(NormalizeEnginePath));
 
-                // Lower case always
-                AZStd::to_lower(normalized.begin(), normalized.end());
-
-                // Substitute path separators with '_'
-                AZStd::replace(normalized.begin(), normalized.end(), '\\', '_');
-                AZStd::replace(normalized.begin(), normalized.end(), '/', '_');
-
-                // Perform the CRC32 calculation
-                const AZ::Crc32 branchTokenCrc(normalized.c_str(), normalized.size(), true);
-                char branchToken[12];
-                azsnprintf(branchToken, AZ_ARRAY_SIZE(branchToken), "0x%08X", static_cast<AZ::u32>(branchTokenCrc));
-                token = AZStd::string(branchToken);
+                    // Perform the CRC32 calculation
+                    constexpr bool forceLowercase = true;
+                    return static_cast<AZ::u32>(AZ::Crc32(enginePath.c_str(), enginePath.size(), forceLowercase));
+                }
+            }
+            void CalculateBranchToken(AZStd::string_view engineRootPath, AZStd::string& token)
+            {
+                token = AZStd::string::format("0x%08X", Internal::CalculateBranchTokenHash(engineRootPath));
+            }
+            void CalculateBranchToken(AZStd::string_view engineRootPath, AZ::IO::FixedMaxPathString& token)
+            {
+                token = AZ::IO::FixedMaxPathString::format("0x%08X", Internal::CalculateBranchTokenHash(engineRootPath));
             }
         }
 

Code/Framework/AzCore/AzCore/StringFunc/StringFunc.h

@@ -485,10 +485,11 @@ namespace AZ
             //! CalculateBranchToken
             /*! Calculate the branch token that is used for asset processor connection negotiations
             *
-            * \param appRootPath - The absolute path of the app root to base the token calculation on
+            * \param engineRootPath - The absolute path to the engine root to base the token calculation on
             * \param token       - The result of the branch token calculation
             */
-            void CalculateBranchToken(const AZStd::string& appRootPath, AZStd::string& token);
+            void CalculateBranchToken(AZStd::string_view engineRootPath, AZStd::string& token);
+            void CalculateBranchToken(AZStd::string_view engineRootPath, AZ::IO::FixedMaxPathString& token);
         }
 
         //////////////////////////////////////////////////////////////////////////

Code/Framework/AzCore/AzCore/UnitTest/MockComponentApplication.h

@@ -41,7 +41,6 @@ namespace UnitTest
         MOCK_METHOD0(GetSerializeContext, AZ::SerializeContext* ());
         MOCK_METHOD0(GetJsonRegistrationContext, AZ::JsonRegistrationContext* ());
         MOCK_METHOD0(GetBehaviorContext, AZ::BehaviorContext* ());
-        MOCK_CONST_METHOD0(GetAppRoot, const char* ());
         MOCK_CONST_METHOD0(GetEngineRoot, const char* ());
         MOCK_CONST_METHOD0(GetExecutableFolder, const char* ());
         MOCK_CONST_METHOD1(QueryApplicationType, void(AZ::ApplicationTypeQuery&));

Code/Framework/AzCore/Tests/BehaviorContextFixture.h

@@ -59,7 +59,6 @@ namespace UnitTest
         AZ::SerializeContext* GetSerializeContext() override { return nullptr; }
         AZ::BehaviorContext*  GetBehaviorContext() override { return m_behaviorContext; }
         AZ::JsonRegistrationContext* GetJsonRegistrationContext() override { return nullptr; }
-        const char* GetAppRoot() const override { return nullptr; }
         const char* GetEngineRoot() const override { return nullptr; }
         const char* GetExecutableFolder() const override { return nullptr; }
         void EnumerateEntities(const EntityCallback& /*callback*/) override {}

Code/Framework/AzCore/Tests/Components.cpp

@@ -1060,26 +1060,21 @@ namespace UnitTest
     /**
      * UserSettingsComponent test
      */
-     class UserSettingsTestApp
-         : public ComponentApplication
-         , public UserSettingsFileLocatorBus::Handler
-     {
-     public:
-         void SetExecutableFolder(const char* path)
-         {
-             m_exeDirectory = path;
-         }
-
+    class UserSettingsTestApp
+        : public ComponentApplication
+        , public UserSettingsFileLocatorBus::Handler
+    {
+    public:
         AZStd::string ResolveFilePath(u32 providerId) override
         {
             AZStd::string filePath;
             if (providerId == UserSettings::CT_GLOBAL)
             {
-                filePath = (m_exeDirectory / "GlobalUserSettings.xml").String();
+                filePath = (AZ::IO::Path(GetTestFolderPath()) / "GlobalUserSettings.xml").Native();
             }
             else if (providerId == UserSettings::CT_LOCAL)
             {
-                filePath = (m_exeDirectory / "LocalUserSettings.xml").String();
+                filePath = (AZ::IO::Path(GetTestFolderPath()) / "LocalUserSettings.xml").Native();
             }
             return filePath;
         }
@@ -1117,7 +1112,6 @@ namespace UnitTest
         ComponentApplication::Descriptor appDesc;
         appDesc.m_memoryBlocksByteSize = 10 * 1024 * 1024;
         Entity* systemEntity = app.Create(appDesc);
-        app.SetExecutableFolder(GetTestFolderPath().c_str());
         app.UserSettingsFileLocatorBus::Handler::BusConnect();
 
         // Make sure user settings file does not exist at this point

Code/Framework/AzCore/Tests/Serialization.cpp

@@ -1240,7 +1240,6 @@ namespace UnitTest
         SerializeContext* GetSerializeContext() override { return m_serializeContext.get(); }
         BehaviorContext*  GetBehaviorContext() override { return nullptr; }
         JsonRegistrationContext* GetJsonRegistrationContext() override { return nullptr; }
-        const char* GetAppRoot() const override { return nullptr; }
         const char* GetEngineRoot() const override { return nullptr; }
         const char* GetExecutableFolder() const override { return nullptr; }
         void EnumerateEntities(const EntityCallback& /*callback*/) override {}

Code/Framework/AzFramework/AzFramework/API/ApplicationAPI.h

@@ -67,12 +67,6 @@ namespace AzFramework
         /// Make path relative to the provided root.
         virtual void MakePathRelative(AZStd::string& /*fullPath*/, const char* /*rootPath*/) {}
 
-        /// Gets the engine root path where the modules for the current engine are located.
-        virtual const char* GetEngineRoot() const { return nullptr; }
-
-        /// Retrieves the app root path for the application.
-        virtual const char* GetAppRoot() const { return nullptr; }
-
         /// Get the Command Line arguments passed in.
         virtual const CommandLine* GetCommandLine() { return nullptr; }
 

Code/Framework/AzFramework/AzFramework/Application/Application.cpp

@@ -69,6 +69,7 @@
 #include <AzCore/Console/Console.h>
 #include <AzFramework/Viewport/ViewportBus.h>
 #include <GridMate/Memory.h>
+#include <AzFramework/Physics/HeightfieldProviderBus.h>
 
 #include "Application.h"
 #include <AzFramework/AzFrameworkModule.h>
@@ -224,13 +225,6 @@ namespace AzFramework
         }
     }
 
-    void Application::PreModuleLoad()
-    {
-        SetRootPath(RootPathType::EngineRoot, m_engineRoot.c_str());
-        AZ_TracePrintf(s_azFrameworkWarningWindow, "Engine Path: %s\n", m_engineRoot.c_str());
-    }
-
-
     void Application::Stop()
     {
         if (m_isStarted)
@@ -318,6 +312,8 @@ namespace AzFramework
         AzFramework::SurfaceData::SurfaceTagWeight::Reflect(context);
         AzFramework::SurfaceData::SurfacePoint::Reflect(context);
         AzFramework::Terrain::TerrainDataRequests::Reflect(context);
+        Physics::HeightfieldProviderRequests::Reflect(context);
+        Physics::HeightMaterialPoint::Reflect(context);
 
         if (AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
         {
@@ -394,11 +390,6 @@ namespace AzFramework
         outModules.emplace_back(aznew AzFrameworkModule());
     }
 
-    const char* Application::GetAppRoot() const
-    {
-        return m_appRoot.c_str();
-    }
-
     const char* Application::GetCurrentConfigurationName() const
     {
 #if defined(_RELEASE)
@@ -434,19 +425,19 @@ namespace AzFramework
 
     void Application::ResolveEnginePath(AZStd::string& engineRelativePath) const
     {
-        AZ::IO::FixedMaxPath fullPath = m_engineRoot / engineRelativePath;
+        auto fullPath = AZ::IO::FixedMaxPath(GetEngineRoot()) / engineRelativePath;
         engineRelativePath = fullPath.String();
     }
 
     void Application::CalculateBranchTokenForEngineRoot(AZStd::string& token) const
     {
-        AzFramework::StringFunc::AssetPath::CalculateBranchToken(m_engineRoot.String(), token);
+        AZ::StringFunc::AssetPath::CalculateBranchToken(GetEngineRoot(), token);
     }
 
     ////////////////////////////////////////////////////////////////////////////
     void Application::MakePathRootRelative(AZStd::string& fullPath)
     {
-        MakePathRelative(fullPath, m_engineRoot.c_str());
+        MakePathRelative(fullPath, GetEngineRoot());
     }
 
     ////////////////////////////////////////////////////////////////////////////
@@ -582,30 +573,6 @@ namespace AzFramework
         }
     }
 
-    void Application::SetRootPath(RootPathType type, const char* source)
-    {
-        [[maybe_unused]] const size_t sourceLen = strlen(source);
-
-        // Copy the source path to the intended root path and correct the path separators as well
-        switch (type)
-        {
-        case RootPathType::AppRoot:
-        {
-            AZ_Assert(sourceLen < m_appRoot.Native().max_size(), "String overflow for App Root: %s", source);
-            m_appRoot = AZ::IO::PathView(source).LexicallyNormal();
-        }
-        break;
-        case RootPathType::EngineRoot:
-        {
-            AZ_Assert(sourceLen < m_engineRoot.Native().max_size(), "String overflow for Engine Root: %s", source);
-            m_engineRoot = AZ::IO::PathView(source).LexicallyNormal();
-        }
-        break;
-        default:
-            AZ_Assert(false, "Invalid RootPathType (%d)", static_cast<int>(type));
-        }
-    }
-
     struct DeprecatedAliasesKeyVisitor
         : AZ::SettingsRegistryInterface::Visitor
     {

Code/Framework/AzFramework/AzFramework/Application/Application.h

@@ -95,8 +95,6 @@ namespace AzFramework
 
         //////////////////////////////////////////////////////////////////////////
         //! ApplicationRequests::Bus::Handler
-        const char* GetEngineRoot() const override { return m_engineRoot.c_str(); }
-        const char* GetAppRoot() const override;
         void ResolveEnginePath(AZStd::string& engineRelativePath) const override;
         void CalculateBranchTokenForEngineRoot(AZStd::string& token) const override;
         bool IsPrefabSystemEnabled() const override;
@@ -146,8 +144,6 @@ namespace AzFramework
          */
         void SetFileIOAliases();
 
-        void PreModuleLoad() override;
-
         //////////////////////////////////////////////////////////////////////////
         //! AZ::ComponentApplication
         void RegisterCoreComponents() override;
@@ -181,13 +177,7 @@ namespace AzFramework
         bool m_ownsConsole = false;
 
         bool m_exitMainLoopRequested = false;
-        
-        enum class RootPathType
-        {
-            AppRoot,
-            EngineRoot
-        };
-        void SetRootPath(RootPathType type, const char* source);
+
     };
 } // namespace AzFramework
 

Code/Framework/AzFramework/AzFramework/Physics/HeightfieldProviderBus.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include "HeightfieldProviderBus.h"
+#include <AzCore/RTTI/BehaviorContext.h>
+#include <AzCore/Math/Transform.h>
+#include <AzCore/Serialization/SerializeContext.h>
+
+namespace Physics
+{
+    void HeightfieldProviderRequests::Reflect(AZ::ReflectContext* context)
+    {
+        if (AZ::BehaviorContext* behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
+        {
+            behaviorContext->EBus<Physics::HeightfieldProviderRequestsBus>("HeightfieldProviderRequestsBus")
+                ->Attribute(AZ::Script::Attributes::Scope, AZ::Script::Attributes::ScopeFlags::Common)
+                ->Attribute(AZ::Script::Attributes::Module, "physics")
+                ->Attribute(AZ::Script::Attributes::Category, "PhysX")
+                ->Event("GetHeightfieldGridSpacing", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightfieldGridSpacing)
+                ->Event("GetHeightfieldAabb", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightfieldAabb)
+                ->Event("GetHeightfieldTransform", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightfieldTransform)
+                ->Event("GetMaterialList", &Physics::HeightfieldProviderRequestsBus::Events::GetMaterialList)
+                ->Event("GetHeights", &Physics::HeightfieldProviderRequestsBus::Events::GetHeights)
+                ->Event("GetHeightsAndMaterials", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightsAndMaterials)
+                ->Event("GetHeightfieldMinHeight", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightfieldMinHeight)
+                ->Event("GetHeightfieldMaxHeight", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightfieldMaxHeight)
+                ->Event("GetHeightfieldGridColumns", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightfieldGridColumns)
+                ->Event("GetHeightfieldGridRows", &Physics::HeightfieldProviderRequestsBus::Events::GetHeightfieldGridRows)
+                ;
+        }
+    }
+
+    void HeightMaterialPoint::Reflect(AZ::ReflectContext* context)
+    {
+        if (AZ::BehaviorContext* behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
+        {
+            behaviorContext->Class<Physics::HeightMaterialPoint>()->Attribute(AZ::Script::Attributes::Category, "Physics");
+        }
+    }
+
+} // namespace Physics

Code/Framework/AzFramework/AzFramework/Physics/HeightfieldProviderBus.h

@@ -26,10 +26,25 @@ namespace Physics
 
     struct HeightMaterialPoint
     {
+        HeightMaterialPoint(
+            float height = 0.0f, QuadMeshType type = QuadMeshType::SubdivideUpperLeftToBottomRight, uint8_t index = 0)
+            : m_height(height)
+            , m_quadMeshType(type)
+            , m_materialIndex(index)
+            , m_padding(0)
+        {
+        }
+
+        virtual ~HeightMaterialPoint() = default;
+
+        static void Reflect(AZ::ReflectContext* context);
+
+        AZ_RTTI(HeightMaterialPoint, "{DF167ED4-24E6-4F7B-8AB7-42622F7DBAD3}");
         float m_height{ 0.0f }; //!< Holds the height of this point in the heightfield relative to the heightfield entity location.
         QuadMeshType m_quadMeshType{ QuadMeshType::SubdivideUpperLeftToBottomRight }; //!< By default, create two triangles like this |\|, where this point is in the upper left corner.
         uint8_t m_materialIndex{ 0 }; //!< The surface material index for the upper left corner of this quad.
         uint16_t m_padding{ 0 }; //!< available for future use.
+
     };
 
     //! An interface to provide heightfield values.
@@ -37,6 +52,8 @@ namespace Physics
         : public AZ::ComponentBus
     {
     public:
+        static void Reflect(AZ::ReflectContext* context);
+
         //! Returns the distance between each height in the map.
         //! @return Vector containing Column Spacing, Rows Spacing.
         virtual AZ::Vector2 GetHeightfieldGridSpacing() const = 0;
@@ -46,11 +63,27 @@ namespace Physics
         //! @param numRows contains the size of the grid in the y direction.
         virtual void GetHeightfieldGridSize(int32_t& numColumns, int32_t& numRows) const = 0;
 
+        //! Returns the height field gridsize columns.
+        //! @return the size of the grid in the x direction.
+        virtual int32_t GetHeightfieldGridColumns() const = 0;
+
+        //! Returns the height field gridsize rows.
+        //! @return the size of the grid in the y direction.
+        virtual int32_t GetHeightfieldGridRows() const = 0;
+
         //! Returns the height field min and max height bounds.
         //! @param minHeightBounds contains the minimum height that the heightfield can contain.
         //! @param maxHeightBounds contains the maximum height that the heightfield can contain.
         virtual void GetHeightfieldHeightBounds(float& minHeightBounds, float& maxHeightBounds) const = 0;
 
+        //! Returns the height field min height bounds.
+        //! @return the minimum height that the heightfield can contain.
+        virtual float GetHeightfieldMinHeight() const = 0;
+
+        //! Returns the height field max height bounds.
+        //! @return the maximum height that the heightfield can contain.
+        virtual float GetHeightfieldMaxHeight() const = 0;
+
         //! Returns the AABB of the heightfield.
         //! This is provided separately from the shape AABB because the heightfield might choose to modify the AABB bounds.
         //! @return AABB of the heightfield.

Code/Framework/AzFramework/AzFramework/Physics/Material.cpp

@@ -360,6 +360,11 @@ namespace Physics
                 ->Field("MaterialId", &Physics::MaterialId::m_id)
                 ;
         }
+
+        if (AZ::BehaviorContext* behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
+        {
+            behaviorContext->Class<Physics::MaterialId>()->Attribute(AZ::Script::Attributes::Category, "Physics");
+        }
     }
 
     MaterialId MaterialId::Create()

Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.cpp

@@ -806,12 +806,20 @@ namespace AzFramework
         [[maybe_unused]] float scrollDelta,
         [[maybe_unused]] float deltaTime)
     {
+        const auto pivot = m_pivotFn();
+
+        if (!pivot.has_value())
+        {
+            EndActivation();
+            return targetCamera;
+        }
+
         if (Beginning())
         {
             // as the camera starts, record the camera we would like to end up as
-            m_nextCamera.m_offset = m_offsetFn(m_pivotFn().GetDistance(targetCamera.Translation()));
+            m_nextCamera.m_offset = m_offsetFn(pivot.value().GetDistance(targetCamera.Translation()));
             const auto angles =
-                EulerAngles(AZ::Matrix3x3::CreateFromMatrix3x4(AZ::Matrix3x4::CreateLookAt(targetCamera.Translation(), m_pivotFn())));
+                EulerAngles(AZ::Matrix3x3::CreateFromMatrix3x4(AZ::Matrix3x4::CreateLookAt(targetCamera.Translation(), pivot.value())));
             m_nextCamera.m_pitch = angles.GetX();
             m_nextCamera.m_yaw = angles.GetZ();
             m_nextCamera.m_pivot = targetCamera.m_pivot;

Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.h

@@ -651,7 +651,7 @@ namespace AzFramework
     class FocusCameraInput : public CameraInput
     {
     public:
-        using PivotFn = AZStd::function<AZ::Vector3()>;
+        using PivotFn = AZStd::function<AZStd::optional<AZ::Vector3>()>;
 
         FocusCameraInput(const InputChannelId& focusChannelId, FocusOffsetFn offsetFn);
 

Code/Framework/AzFramework/AzFramework/azframework_files.cmake

@@ -229,6 +229,7 @@ set(FILES
     Physics/Configuration/SystemConfiguration.h
     Physics/Configuration/SystemConfiguration.cpp
     Physics/HeightfieldProviderBus.h
+    Physics/HeightfieldProviderBus.cpp
     Physics/SimulatedBodies/RigidBody.h
     Physics/SimulatedBodies/RigidBody.cpp
     Physics/SimulatedBodies/StaticRigidBody.h

Code/Framework/AzFramework/Platform/Mac/AzFramework/Asset/AssetSystemComponentHelper_Mac.cpp

@@ -10,6 +10,8 @@
 #include <AzCore/IO/SystemFile.h>
 #include <AzCore/Settings/SettingsRegistryMergeUtils.h>
 
+#include <AzFramework/Process/ProcessWatcher.h>
+
 #include <sys/types.h>
 #include <unistd.h>
 
@@ -24,14 +26,20 @@ namespace AzFramework::AssetSystem::Platform
         AZ::IO::FixedMaxPath assetProcessorPath{ executableDirectory };
         // In Mac the Editor and game is within a bundle, so the path to the sibling app
         // has to go up from the Contents/MacOS folder the binary is in
-        assetProcessorPath /= "../../../AssetProcessor.app";
+        assetProcessorPath /= "../../../AssetProcessor.app/Contents/MacOS/AssetProcessor";
         assetProcessorPath = assetProcessorPath.LexicallyNormal();
 
         if (!AZ::IO::SystemFile::Exists(assetProcessorPath.c_str()))
         {
-            // Check for existence of one under a "bin" directory, i.e. engineRoot is an SDK structure.
-            assetProcessorPath =
-                AZ::IO::FixedMaxPath{engineRoot} / "bin" / AZ_TRAIT_OS_PLATFORM_NAME / AZ_BUILD_CONFIGURATION_TYPE / "AssetProcessor.app";
+            if (auto settingsRegistry = AZ::SettingsRegistry::Get(); settingsRegistry != nullptr)
+            {
+                if (AZ::IO::FixedMaxPath installedBinariesPath;
+                    settingsRegistry->Get(installedBinariesPath.Native(), AZ::SettingsRegistryMergeUtils::FilePathKey_InstalledBinaryFolder))
+                {
+                    // Check for existence of one under a "bin" directory, i.e. engineRoot is an SDK structure.
+                    assetProcessorPath = AZ::IO::FixedMaxPath{ engineRoot } / installedBinariesPath / "AssetProcessor.app/Contents/MacOS/AssetProcessor";
+                }
+            }
 
             if (!AZ::IO::SystemFile::Exists(assetProcessorPath.c_str()))
             {
@@ -39,23 +47,21 @@ namespace AzFramework::AssetSystem::Platform
             }
         }
 
-        auto fullLaunchCommand = AZ::IO::FixedMaxPathString::format(R"(open -g "%s" --args --start-hidden)", assetProcessorPath.c_str());
+        AZStd::string commandLineParams;
         // Add the engine path to the launch command if not empty
         if (!engineRoot.empty())
         {
-            fullLaunchCommand += R"( --engine-path=")";
-            fullLaunchCommand += engineRoot;
-            fullLaunchCommand += '"';
+            commandLineParams += AZStd::string::format("\"--engine-path=\"%s\"\"", engineRoot.data());
         }
 
-        // Add the active project path to the launch command if not empty
         if (!projectPath.empty())
         {
-            fullLaunchCommand += R"( --project-path=")";
-            fullLaunchCommand += projectPath;
-            fullLaunchCommand += '"';
+            commandLineParams += AZStd::string::format(" \"--regset=/Amazon/AzCore/Bootstrap/project_path=\"%s\"\"", projectPath.data());
         }
 
-        return system(fullLaunchCommand.c_str()) == 0;
+        AzFramework::ProcessLauncher::ProcessLaunchInfo processLaunchInfo;
+        processLaunchInfo.m_processExecutableString = AZStd::move(assetProcessorPath.Native());
+        processLaunchInfo.m_commandlineParameters = commandLineParams;
+        return AzFramework::ProcessLauncher::LaunchUnwatchedProcess(processLaunchInfo);
     }
 }

Code/Framework/AzQtComponents/AzQtComponents/Components/ToastNotification.cpp

@@ -27,7 +27,6 @@ namespace AzQtComponents
         setProperty("HasNoWindowDecorations", true);
 
         setAttribute(Qt::WA_ShowWithoutActivating);
-        setAttribute(Qt::WA_DeleteOnClose);
 
         m_borderRadius = toastConfiguration.m_borderRadius;
         if (m_borderRadius > 0)

Code/Framework/AzQtComponents/AzQtComponents/Components/ToastNotification.h

@@ -31,7 +31,6 @@ namespace AzQtComponents
     {
         Q_OBJECT
     public:    
-        AZ_CLASS_ALLOCATOR(ToastNotification, AZ::SystemAllocator, 0);
         
         ToastNotification(QWidget* parent, const ToastConfiguration& toastConfiguration);
         virtual ~ToastNotification();
@@ -73,7 +72,7 @@ namespace AzQtComponents
 
         AZ_PUSH_DISABLE_DLL_EXPORT_MEMBER_WARNING
         AZStd::chrono::milliseconds m_fadeDuration;
-        AZStd::unique_ptr<Ui::ToastNotification> m_ui;        
+        QScopedPointer<Ui::ToastNotification> m_ui;        
         AZ_POP_DISABLE_DLL_EXPORT_MEMBER_WARNING
     };
 } // namespace AzQtComponents

Code/Framework/AzQtComponents/AzQtComponents/Components/ToastNotificationConfiguration.h

@@ -27,7 +27,6 @@ namespace AzQtComponents
     class AZ_QT_COMPONENTS_API ToastConfiguration
     {
     public:
-        AZ_CLASS_ALLOCATOR(ToastConfiguration, AZ::SystemAllocator, 0);
         ToastConfiguration(ToastType toastType, const QString& title, const QString& description);
 
         bool m_closeOnClick = true;

Code/Framework/AzToolsFramework/AzToolsFramework/Asset/AssetUtils.cpp

@@ -14,7 +14,7 @@
 #include <AzCore/Module/DynamicModuleHandle.h>
 #include <AzCore/Settings/SettingsRegistryMergeUtils.h>
 #include <AzCore/StringFunc/StringFunc.h>
-#include <AzFramework/API/ApplicationAPI.h>
+#include <AzCore/Utils/Utils.h>
 #include <AzFramework/IO/LocalFileIO.h>
 #include <AzToolsFramework/API/EditorAssetSystemAPI.h>
 #include <AzToolsFramework/Asset/AssetUtils.h>
@@ -205,7 +205,7 @@ namespace AzToolsFramework::AssetUtils
         return platformConfigFilePathsAdded;
     }
 
-    AZStd::vector<AZ::IO::Path> GetConfigFiles(AZStd::string_view engineRoot, AZStd::string_view assetRoot, AZStd::string_view projectPath,
+    AZStd::vector<AZ::IO::Path> GetConfigFiles(AZStd::string_view engineRoot, AZStd::string_view projectPath,
         bool addPlatformConfigs, bool addGemsConfigs, AZ::SettingsRegistryInterface* settingsRegistry)
     {
         constexpr const char* AssetProcessorGamePlatformConfigFileName = "AssetProcessorGamePlatformConfig.ini";
@@ -232,14 +232,13 @@ namespace AzToolsFramework::AssetUtils
             Internal::AddGemConfigFiles(gemInfoList, configFiles);
         }
 
-        AZ::IO::Path assetRootDir(assetRoot);
-        assetRootDir /= projectPath;
+        AZ::IO::Path projectRoot(projectPath);
 
-        AZ::IO::Path projectConfigFile = assetRootDir / AssetProcessorGamePlatformConfigFileName;
+        AZ::IO::Path projectConfigFile = projectRoot / AssetProcessorGamePlatformConfigFileName;
         configFiles.push_back(projectConfigFile);
 
         // Add a file entry for the Project AssetProcessor setreg file
-        projectConfigFile = assetRootDir / AssetProcessorGamePlatformConfigSetreg;
+        projectConfigFile = projectRoot / AssetProcessorGamePlatformConfigSetreg;
         configFiles.push_back(projectConfigFile);
 
         return configFiles;
@@ -251,10 +250,10 @@ namespace AzToolsFramework::AssetUtils
         AZStd::vector<AZStd::string> tokens;
         AZ::StringFunc::Tokenize(relPathFromRoot.c_str(), tokens, AZ_CORRECT_FILESYSTEM_SEPARATOR_STRING);
 
-        AZStd::string validatedPath;
+        AZ::IO::FixedMaxPath validatedPath;
         if (rootPath.empty())
         {
-            AzFramework::ApplicationRequests::Bus::BroadcastResult(validatedPath, &AzFramework::ApplicationRequests::GetEngineRoot);
+            validatedPath = AZ::Utils::GetEnginePath();
         }
         else
         {
@@ -299,10 +298,7 @@ namespace AzToolsFramework::AssetUtils
                 break;
             }
 
-            AZStd::string absoluteFilePath;
-            AZ::StringFunc::Path::ConstructFull(validatedPath.c_str(), element.c_str(), absoluteFilePath);
-
-            validatedPath = absoluteFilePath; // go one step deeper.
+            validatedPath /= element; // go one step deeper.
         }
 
         if (success)

Code/Framework/AzToolsFramework/AzToolsFramework/Asset/AssetUtils.h

@@ -40,7 +40,7 @@ namespace AzToolsFramework::AssetUtils
     //! Also note that if the project has any "game project gems", then those will also be inserted last, 
     //! and thus have a higher priority than the root or non - project gems.
     //! Also note that the game project could be in a different location to the engine therefore we need the assetRoot param.
-    AZStd::vector<AZ::IO::Path> GetConfigFiles(AZStd::string_view engineRoot, AZStd::string_view assetRoot, AZStd::string_view projectPath,
+    AZStd::vector<AZ::IO::Path> GetConfigFiles(AZStd::string_view engineRoot, AZStd::string_view projectPath,
         bool addPlatformConfigs = true, bool addGemsConfigs = true, AZ::SettingsRegistryInterface* settingsRegistry = nullptr);
 
     //! A utility function which checks the given path starting at the root and updates the relative path to be the actual case correct path.

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/AssetBrowserTableModel.h

@@ -40,9 +40,9 @@ namespace AzToolsFramework
             QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
             QModelIndex parent(const QModelIndex& child) const override;
             QModelIndex sibling(int row, int column, const QModelIndex& idx) const override;
+            int rowCount(const QModelIndex& parent = QModelIndex()) const override;
 
         protected:
-            int rowCount(const QModelIndex& parent = QModelIndex()) const override;
             QVariant headerData(int section, Qt::Orientation orientation, int role /* = Qt::DisplayRole */) const override;
             ////////////////////////////////////////////////////////////////////
 
@@ -55,7 +55,7 @@ namespace AzToolsFramework
         private slots:
             void SourceDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight);
         private:
-            AZ::u64 m_numberOfItemsDisplayed = 0;
+            AZ::u64 m_numberOfItemsDisplayed = 50;
             int m_displayedItemsCounter = 0;
             QPointer<AssetBrowserFilterModel> m_filterModel;
             QMap<int, QModelIndex> m_indexMap;

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Thumbnails/SourceThumbnail.cpp

@@ -9,11 +9,11 @@
 #include <AzCore/EBus/Results.h>
 #include <AzCore/std/string/string.h>
 #include <AzCore/std/containers/vector.h>
+#include <AzCore/Utils/Utils.h>
 #include <AzFramework/StringFunc/StringFunc.h>
 #include <AzToolsFramework/AssetBrowser/AssetBrowserBus.h>
 #include <AzToolsFramework/API/EditorAssetSystemAPI.h>
 #include <AzToolsFramework/AssetBrowser/Thumbnails/SourceThumbnail.h>
-#include <AzFramework/API/ApplicationAPI.h>
 #include <QString>
 
 namespace AzToolsFramework
@@ -113,11 +113,9 @@ namespace AzToolsFramework
 
             if (iconPathToUse.isEmpty())
             {
-                const char* engineRoot = nullptr;
-                AzFramework::ApplicationRequests::Bus::BroadcastResult(engineRoot, &AzFramework::ApplicationRequests::GetEngineRoot);
-                AZ_Assert(engineRoot, "Engine Root not initialized");
-                AZStd::string iconPath = AZStd::string::format("%s%s", engineRoot, DefaultFileIconPath);
-                iconPathToUse = iconPath.c_str();
+                AZ::IO::FixedMaxPath engineRoot = AZ::Utils::GetEnginePath();
+                AZ_Assert(!engineRoot.empty(), "Engine Root not initialized");
+                iconPathToUse = (engineRoot / DefaultFileIconPath).c_str();
             }
 
             m_pixmap.load(iconPathToUse);

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/EditorEntityHelpers.cpp

@@ -15,6 +15,7 @@
 #include <AzCore/std/sort.h>
 #include <AzCore/RTTI/AttributeReader.h>
 #include <AzCore/Serialization/SerializeContext.h>
+#include <AzFramework/API/ApplicationAPI.h>
 #include <AzToolsFramework/Commands/EntityStateCommand.h>
 #include <AzToolsFramework/ContainerEntity/ContainerEntityInterface.h>
 #include <AzToolsFramework/Entity/EditorEntityInfoBus.h>
@@ -468,6 +469,18 @@ namespace AzToolsFramework
         EntityIdList children;
         EditorEntityInfoRequestBus::EventResult(children, parentId, &EditorEntityInfoRequestBus::Events::GetChildren);
 
+        // If Prefabs are enabled, don't check the order for an invalid parent, just return its children (i.e. the root container entity)
+        // There will currently always be one root container entity, so there's no order to retrieve
+        if (!parentId.IsValid())
+        {
+            bool isPrefabEnabled = false;
+            AzFramework::ApplicationRequests::Bus::BroadcastResult(isPrefabEnabled, &AzFramework::ApplicationRequests::IsPrefabSystemEnabled);
+            if (isPrefabEnabled)
+            {
+                return children;
+            }
+        }
+
         EntityIdList entityChildOrder;
         AZ::EntityId sortEntityId = GetEntityIdForSortInfo(parentId);
         EditorEntitySortRequestBus::EventResult(entityChildOrder, sortEntityId, &EditorEntitySortRequestBus::Events::GetChildEntityOrderArray);

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/EditorEntitySortComponent.cpp

@@ -11,6 +11,8 @@
 #include <AzCore/Debug/Profiler.h>
 #include <AzCore/Serialization/EditContext.h>
 #include <AzCore/std/sort.h>
+#include <AzFramework/API/ApplicationAPI.h>
+#include <AzToolsFramework/Prefab/PrefabPublicInterface.h>
 
 static_assert(sizeof(AZ::u64) == sizeof(AZ::EntityId), "We use AZ::EntityId for Persistent ID, which is a u64 under the hood. These must be the same size otherwise the persistent id will have to be rewritten");
 
@@ -144,6 +146,12 @@ namespace AzToolsFramework
         bool EditorEntitySortComponent::AddChildEntityInternal(const AZ::EntityId& entityId, bool addToBack, EntityOrderArray::iterator insertPosition)
         {
             AZ_PROFILE_FUNCTION(AzToolsFramework);
+
+            if (m_ignoreIncomingOrderChanges)
+            {
+                return true;
+            }
+
             auto entityItr = m_childEntityOrderCache.find(entityId);
             if (entityItr == m_childEntityOrderCache.end())
             {
@@ -198,6 +206,12 @@ namespace AzToolsFramework
         bool EditorEntitySortComponent::RemoveChildEntity(const AZ::EntityId& entityId)
         {
             AZ_PROFILE_FUNCTION(AzToolsFramework);
+
+            if (m_ignoreIncomingOrderChanges)
+            {
+                return true;
+            }
+
             auto entityItr = m_childEntityOrderCache.find(entityId);
             if (entityItr != m_childEntityOrderCache.end())
             {
@@ -250,11 +264,30 @@ namespace AzToolsFramework
             }
         }
 
+        void EditorEntitySortComponent::OnPrefabInstancePropagationBegin()
+        {
+            m_ignoreIncomingOrderChanges = true;
+        }
+
+        void EditorEntitySortComponent::OnPrefabInstancePropagationEnd()
+        {
+            m_ignoreIncomingOrderChanges = false;
+        }
+
         void EditorEntitySortComponent::MarkDirtyAndSendChangedEvent()
         {
             // mark the order as dirty before sending the ChildEntityOrderArrayUpdated event in order for PrepareSave to be properly handled in the case 
             // one of the event listeners needs to build the InstanceDataHierarchy
             m_entityOrderIsDirty = true;
+
+            // Force an immediate update for prefabs, which won't receive PrepareSave
+            bool isPrefabEnabled = false;
+            AzFramework::ApplicationRequests::Bus::BroadcastResult(
+                isPrefabEnabled, &AzFramework::ApplicationRequests::IsPrefabSystemEnabled);
+            if (isPrefabEnabled)
+            {
+                PrepareSave();
+            }
             EditorEntitySortNotificationBus::Event(GetEntityId(), &EditorEntitySortNotificationBus::Events::ChildEntityOrderArrayUpdated);
         }
 
@@ -264,10 +297,20 @@ namespace AzToolsFramework
             // This is a special case for certain EditorComponents only!
             EditorEntitySortRequestBus::Handler::BusConnect(GetEntityId());
             EditorEntityContextNotificationBus::Handler::BusConnect();
+            AzToolsFramework::Prefab::PrefabPublicNotificationBus::Handler::BusConnect();
         }
 
         void EditorEntitySortComponent::Activate()
         {
+            // Run the post-serialize handler if prefabs are enabled because PostLoad won't be called automatically
+            bool isPrefabEnabled = false;
+            AzFramework::ApplicationRequests::Bus::BroadcastResult(
+                isPrefabEnabled, &AzFramework::ApplicationRequests::IsPrefabSystemEnabled);
+            if (isPrefabEnabled)
+            {
+                PostLoad();
+            }
+
             // Send out that the order for our entity is now updated
             EditorEntitySortNotificationBus::Event(GetEntityId(), &EditorEntitySortNotificationBus::Events::ChildEntityOrderArrayUpdated);
         }

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/EditorEntitySortComponent.h

@@ -10,6 +10,7 @@
 #include "EditorEntitySortBus.h"
 #include <AzToolsFramework/ToolsComponents/EditorComponentBase.h>
 #include <AzToolsFramework/Entity/EditorEntityContextBus.h>
+#include <AzToolsFramework/Prefab/PrefabPublicNotificationBus.h>
 #include <AzCore/Serialization/SerializeContext.h>
 
 namespace AzToolsFramework
@@ -20,6 +21,7 @@ namespace AzToolsFramework
             : public AzToolsFramework::Components::EditorComponentBase
             , public EditorEntitySortRequestBus::Handler
             , public EditorEntityContextNotificationBus::Handler
+            , public AzToolsFramework::Prefab::PrefabPublicNotificationBus::Handler
         {
         public:
             AZ_COMPONENT(EditorEntitySortComponent, "{6EA1E03D-68B2-466D-97F7-83998C8C27F0}", EditorComponentBase);
@@ -45,6 +47,9 @@ namespace AzToolsFramework
             // EditorEntityContextNotificationBus::Handler
             void OnEntityStreamLoadSuccess() override;
             //////////////////////////////////////////////////////////////////////////
+
+            void OnPrefabInstancePropagationBegin() override;
+            void OnPrefabInstancePropagationEnd() override;
         private:
             void MarkDirtyAndSendChangedEvent();
             bool AddChildEntityInternal(const AZ::EntityId& entityId, bool addToBack, EntityOrderArray::iterator insertPosition);
@@ -106,6 +111,7 @@ namespace AzToolsFramework
             EntityOrderCache m_childEntityOrderCache; ///< The map of entity id to index for quick look up
 
             bool m_entityOrderIsDirty = true; ///< This flag indicates our stored serialization order data is out of date and must be rebuilt before serialization occurs
+            bool m_ignoreIncomingOrderChanges = false; ///< This is set when prefab propagation occurs so that non-authored order changes can be ignored
         };
     }
 } // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp

@@ -1144,6 +1144,10 @@ namespace AzToolsFramework
 
             AZ::EntityId firstEntityIdToDelete = entityIdsNoFocusContainer[0];
             InstanceOptionalReference commonOwningInstance = GetOwnerInstanceByEntityId(firstEntityIdToDelete);
+            if (!commonOwningInstance.has_value())
+            {
+                return AZ::Failure(AZStd::string("Cannot delete entities belonging to an invalid instance"));
+            }
 
             // If the first entity id is a container entity id, then we need to mark its parent as the common owning instance because you
             // cannot delete an instance from itself.

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/SourceControlThumbnail.cpp

@@ -6,10 +6,10 @@
  *
  */
 
-#include <AzFramework/StringFunc/StringFunc.h>
+#include <AzCore/StringFunc/StringFunc.h>
+#include <AzCore/Utils/Utils.h>
 #include <AzToolsFramework/Thumbnails/SourceControlThumbnail.h>
 #include <AzToolsFramework/SourceControl/SourceControlAPI.h>
-#include <AzFramework/API/ApplicationAPI.h>
 
 namespace AzToolsFramework
 {
@@ -68,12 +68,12 @@ namespace AzToolsFramework
         SourceControlThumbnail::SourceControlThumbnail(SharedThumbnailKey key)
             : Thumbnail(key)
         {
-            const char* engineRoot = nullptr;
-            AzFramework::ApplicationRequests::Bus::BroadcastResult(engineRoot, &AzFramework::ApplicationRequests::GetEngineRoot);
-            AZ_Assert(engineRoot, "Engine Root not initialized");
+            AZ::IO::FixedMaxPath engineRoot = AZ::Utils::GetEnginePath();
+            AZ_Assert(!engineRoot.empty(), "Engine Root not initialized");
+
+            m_writableIconPath = (engineRoot / WRITABLE_ICON_PATH).String();
+            m_nonWritableIconPath = (engineRoot / NONWRITABLE_ICON_PATH).String();
 
-            AzFramework::StringFunc::Path::Join(engineRoot, WRITABLE_ICON_PATH, m_writableIconPath);
-            AzFramework::StringFunc::Path::Join(engineRoot, NONWRITABLE_ICON_PATH, m_nonWritableIconPath);
 
             BusConnect();
         }
@@ -90,8 +90,8 @@ namespace AzToolsFramework
             AZ_Assert(sourceControlKey, "Incorrect key type, excpected SourceControlThumbnailKey");
 
             AZStd::string myFileName(sourceControlKey->GetFileName());
-            AzFramework::StringFunc::Path::Normalize(myFileName);
-            if (AzFramework::StringFunc::Equal(myFileName.c_str(), filename))
+            AZ::StringFunc::Path::Normalize(myFileName);
+            if (AZ::StringFunc::Equal(myFileName.c_str(), filename))
             {
                 Update();
             }

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Notifications/ToastNotificationsView.cpp

@@ -129,7 +129,7 @@ namespace AzToolsFramework
 
     ToastId ToastNotificationsView::CreateToastNotification(const AzQtComponents::ToastConfiguration& toastConfiguration)
     {
-        AzQtComponents::ToastNotification* notification = aznew AzQtComponents::ToastNotification(parentWidget(), toastConfiguration);
+        AzQtComponents::ToastNotification* notification = new AzQtComponents::ToastNotification(this, toastConfiguration);
         ToastId toastId = AZ::Entity::MakeId();
         m_notifications[toastId] = notification;
 

Code/Framework/AzToolsFramework/Tests/ComponentAddRemove.cpp

@@ -1116,7 +1116,6 @@ namespace UnitTest
         SerializeContext* GetSerializeContext() override { return m_serializeContext.get(); }
         BehaviorContext*  GetBehaviorContext() override { return nullptr; }
         JsonRegistrationContext* GetJsonRegistrationContext() override { return nullptr; }
-        const char* GetAppRoot() const override { return nullptr; }
         const char* GetEngineRoot() const override { return nullptr; }
         const char* GetExecutableFolder() const override { return nullptr; }
         void EnumerateEntities(const EntityCallback& /*callback*/) override {}

Code/Framework/AzToolsFramework/Tests/UI/AssetBrowserTests.cpp

@@ -0,0 +1,344 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <AzTest/AzTest.h>
+
+#include <AzToolsFramework/AssetBrowser/AssetBrowserComponent.h>
+#include <AzToolsFramework/AssetBrowser/AssetBrowserFilterModel.h>
+#include <AzToolsFramework/AssetBrowser/AssetBrowserModel.h>
+#include <AzToolsFramework/AssetBrowser/AssetBrowserTableModel.h>
+#include <AzToolsFramework/AssetBrowser/Entries/AssetBrowserEntry.h>
+#include <AzToolsFramework/AssetBrowser/Entries/FolderAssetBrowserEntry.h>
+#include <AzToolsFramework/AssetBrowser/Entries/ProductAssetBrowserEntry.h>
+#include <AzToolsFramework/AssetBrowser/Entries/RootAssetBrowserEntry.h>
+#include <AzToolsFramework/AssetBrowser/Entries/SourceAssetBrowserEntry.h>
+#include <AzToolsFramework/AssetBrowser/Search/SearchWidget.h>
+#include <AzToolsFramework/AssetDatabase/AssetDatabaseConnection.h>
+#include <AzToolsFramework/Entity/EditorEntityContextComponent.h>
+#include <AzToolsFramework/UnitTest/AzToolsFrameworkTestHelpers.h>
+#include <QAbstractItemModelTester>
+
+namespace UnitTest
+{
+    // Test fixture for the AssetBrowser model that uses a QAbstractItemModelTester to validate the state of the model
+    // when QAbstractItemModel signals fire. Tests will exit with a fatal error if an invalid state is detected.
+    class AssetBrowserTest
+        : public ToolsApplicationFixture
+        , public testing::WithParamInterface<const char*>
+    {
+    protected:
+        enum class AssetEntryType
+        {
+            Root,
+            Folder,
+            Source,
+            Product
+        };
+
+        enum class FolderType
+        {
+            Root,
+            File
+        };
+
+        void SetUpEditorFixtureImpl() override;
+        void TearDownEditorFixtureImpl() override;
+
+        //! Creates a Mock Scan Folder
+        void AddScanFolder(AZ::s64 folderID, AZStd::string folderPath, AZStd::string displayName, FolderType folderType = FolderType::File);
+
+        //! Creates a Source entry from a mock file
+        AZ::Uuid CreateSourceEntry(
+            AZ::s64 fileID, AZ::s64 parentFolderID, AZStd::string filename, AssetEntryType sourceType = AssetEntryType::Source);
+
+        //! Creates a product from a given sourceEntry
+        void CreateProduct(AZ::s64 productID, AZ::Uuid sourceUuid, AZStd::string productName);
+
+        void SetupAssetBrowser();
+        void PrintModel(const QAbstractItemModel* model, AZStd::function<void(const QString&)> printer);
+        QModelIndex GetModelIndex(const QAbstractItemModel* model, int targetDepth, int row = 0);
+        AZStd::shared_ptr<AzToolsFramework::AssetBrowser::RootAssetBrowserEntry> GetRootEntry();
+        AZStd::vector<QString> GetVectorFromFormattedString(const QString& formattedString);
+
+    protected:
+        QString m_assetBrowserHierarchy = QString();
+
+        AZStd::unique_ptr<AzToolsFramework::AssetBrowser::SearchWidget> m_searchWidget;
+        AZStd::unique_ptr<AzToolsFramework::AssetBrowser::AssetBrowserComponent> m_assetBrowserComponent;
+
+        AZStd::unique_ptr<AzToolsFramework::AssetBrowser::AssetBrowserFilterModel> m_filterModel;
+        AZStd::unique_ptr<AzToolsFramework::AssetBrowser::AssetBrowserTableModel> m_tableModel;
+
+        AZStd::unique_ptr<QAbstractItemModelTester> m_modelTesterAssetBrowser;
+        AZStd::unique_ptr<QAbstractItemModelTester> m_modelTesterFilterModel;
+        AZStd::unique_ptr<QAbstractItemModelTester> m_modelTesterTableModel;
+
+        QVector<int> m_folderIds = { 13, 14, 15 };
+        QVector<int> m_sourceIDs = { 1, 2, 3, 4, 5 };
+        QVector<int> m_productIDs = { 1, 2, 3, 4, 5 };
+    };
+
+    void AssetBrowserTest::SetUpEditorFixtureImpl()
+    {
+        GetApplication()->RegisterComponentDescriptor(AzToolsFramework::EditorEntityContextComponent::CreateDescriptor());
+
+        m_assetBrowserComponent = AZStd::make_unique<AzToolsFramework::AssetBrowser::AssetBrowserComponent>();
+        m_assetBrowserComponent->Activate();
+
+        m_filterModel = AZStd::make_unique<AzToolsFramework::AssetBrowser::AssetBrowserFilterModel>();
+        m_tableModel = AZStd::make_unique<AzToolsFramework::AssetBrowser::AssetBrowserTableModel>();
+
+        m_filterModel->setSourceModel(m_assetBrowserComponent->GetAssetBrowserModel());
+        m_tableModel->setSourceModel(m_filterModel.get());
+
+        m_modelTesterAssetBrowser = AZStd::make_unique<QAbstractItemModelTester>(m_assetBrowserComponent->GetAssetBrowserModel());
+        m_modelTesterFilterModel = AZStd::make_unique<QAbstractItemModelTester>(m_filterModel.get());
+        m_modelTesterTableModel = AZStd::make_unique<QAbstractItemModelTester>(m_tableModel.get());
+        m_searchWidget = AZStd::make_unique<AzToolsFramework::AssetBrowser::SearchWidget>();
+
+        // Setup String filters
+        m_searchWidget->Setup(true, true);
+        m_filterModel->SetFilter(m_searchWidget->GetFilter());
+
+        SetupAssetBrowser();
+    }
+
+    void AssetBrowserTest::TearDownEditorFixtureImpl()
+    {
+        m_modelTesterAssetBrowser.reset();
+        m_modelTesterFilterModel.reset();
+        m_modelTesterTableModel.reset();
+
+        m_tableModel.reset();
+        m_filterModel.reset();
+        m_assetBrowserComponent->Deactivate();
+
+        m_assetBrowserComponent.reset();
+        m_searchWidget.reset();
+    }
+
+    void AssetBrowserTest::AddScanFolder(
+        AZ::s64 folderID, AZStd::string folderPath, AZStd::string displayName, FolderType folderType /*= FolderType::File*/)
+    {
+        AzToolsFramework::AssetDatabase::ScanFolderDatabaseEntry scanFolder = AzToolsFramework::AssetDatabase::ScanFolderDatabaseEntry();
+        scanFolder.m_scanFolderID = folderID;
+        scanFolder.m_scanFolder = folderPath;
+        scanFolder.m_displayName = displayName;
+        scanFolder.m_isRoot = folderType == FolderType::Root;
+        GetRootEntry()->AddScanFolder(scanFolder);
+    }
+
+    AZ::Uuid AssetBrowserTest::CreateSourceEntry(
+        AZ::s64 fileID, AZ::s64 parentFolderID, AZStd::string filename, AssetEntryType sourceType /*= AssetEntryType::Source*/)
+    {
+        AzToolsFramework::AssetDatabase::FileDatabaseEntry entry = AzToolsFramework::AssetDatabase::FileDatabaseEntry();
+        entry.m_scanFolderPK = parentFolderID;
+        entry.m_fileID = fileID;
+        entry.m_fileName = filename;
+        entry.m_isFolder = sourceType == AssetEntryType::Folder;
+        GetRootEntry()->AddFile(entry);
+
+        if (!entry.m_isFolder)
+        {
+            AzToolsFramework::AssetBrowser::SourceWithFileID entrySource = AzToolsFramework::AssetBrowser::SourceWithFileID();
+            entrySource.first = entry.m_fileID;
+            entrySource.second = AzToolsFramework::AssetDatabase::SourceDatabaseEntry();
+            entrySource.second.m_scanFolderPK = parentFolderID;
+            entrySource.second.m_sourceName = filename;
+            entrySource.second.m_sourceID = fileID;
+            entrySource.second.m_sourceGuid = AZ::Uuid::CreateRandom();
+
+            GetRootEntry()->AddSource(entrySource);
+
+            return entrySource.second.m_sourceGuid;
+        }
+
+        return AZ::Uuid::CreateNull();
+    }
+
+    void AssetBrowserTest::CreateProduct(AZ::s64 productID, AZ::Uuid sourceUuid, AZStd::string productName)
+    {
+        AzToolsFramework::AssetBrowser::ProductWithUuid product = AzToolsFramework::AssetBrowser::ProductWithUuid();
+        product.first = sourceUuid;
+        product.second = AzToolsFramework::AssetDatabase::ProductDatabaseEntry();
+        product.second.m_productID = productID;
+
+        product.second.m_subID = aznumeric_cast<AZ::u32>(productID);
+        product.second.m_productName = productName;
+
+        GetRootEntry()->AddProduct(product);
+    }
+
+    void AssetBrowserTest::SetupAssetBrowser()
+    {
+        // RootEntries : 1 | Folders : 4 | SourceEntries : 5 | ProductEntries : 9
+        m_assetBrowserHierarchy = R"(
+        D:
+          \
+            dev
+              o3de
+                GameProject
+                  Assets
+                    Source_1
+                      Product_1_1
+                      Product_1_0
+                    Source_0
+                      Product_0_3
+                      Product_0_2
+                      Product_0_1
+                      Product_0_0
+                  Scripts
+                    Source_3
+                    Source_2
+                      Product_2_2
+                      Product_2_1
+                      Product_2_0
+                  Misc
+                    Source_4
+                      Product_4_2
+                      Product_4_1
+                      Product_4_0 )";
+
+        namespace AzAssetBrowser = AzToolsFramework::AssetBrowser;
+
+        AddScanFolder(m_folderIds.at(2), "D:/dev/o3de/GameProject/Misc", "Misc");
+        AZ::Uuid sourceUuid_4 = CreateSourceEntry(m_sourceIDs.at(4), m_folderIds.at(2), "Source_4");
+        CreateProduct(m_productIDs.at(0), sourceUuid_4, "Product_4_0");
+        CreateProduct(m_productIDs.at(1), sourceUuid_4, "Product_4_1");
+        CreateProduct(m_productIDs.at(2), sourceUuid_4, "Product_4_2");
+
+        AddScanFolder(m_folderIds.at(1), "D:/dev/o3de/GameProject/Scripts", "Scripts");
+
+        AZ::Uuid sourceUuid_2 = CreateSourceEntry(m_sourceIDs.at(2), m_folderIds.at(1), "Source_2");
+        CreateProduct(m_productIDs.at(0), sourceUuid_2, "Product_2_0");
+        CreateProduct(m_productIDs.at(1), sourceUuid_2, "Product_2_1");
+        CreateProduct(m_productIDs.at(2), sourceUuid_2, "Product_2_2");
+
+        CreateSourceEntry(m_sourceIDs.at(3), m_folderIds.at(1), "Source_3");
+
+        AddScanFolder(m_folderIds.at(0), "D:/dev/o3de/GameProject/Assets", "Assets");
+
+        AZ::Uuid sourceUuid_0 = CreateSourceEntry(m_sourceIDs.at(0), m_folderIds.at(0), "Source_0");
+        CreateProduct(m_productIDs.at(0), sourceUuid_0, "Product_0_0");
+        CreateProduct(m_productIDs.at(1), sourceUuid_0, "Product_0_1");
+        CreateProduct(m_productIDs.at(2), sourceUuid_0, "Product_0_2");
+        CreateProduct(m_productIDs.at(3), sourceUuid_0, "Product_0_3");
+
+        AZ::Uuid sourceUuid_1 = CreateSourceEntry(m_sourceIDs.at(1), m_folderIds.at(0), "Source_1");
+        CreateProduct(m_productIDs.at(0), sourceUuid_1, "Product_1_0");
+        CreateProduct(m_productIDs.at(1), sourceUuid_1, "Product_1_1");
+    }
+
+    void AssetBrowserTest::PrintModel(const QAbstractItemModel* model, AZStd::function<void(const QString&)> printer)
+    {
+        AZStd::deque<AZStd::pair<QModelIndex, int>> indices;
+        indices.push_back({ model->index(0, 0), 0 });
+        while (!indices.empty())
+        {
+            auto [index, depth] = indices.front();
+            indices.pop_front();
+
+            QString indentString;
+            for (int i = 0; i < depth; ++i)
+            {
+                indentString += "  ";
+            }
+            const QString message = indentString + index.data(Qt::DisplayRole).toString();
+            printer(message);
+
+            for (int i = 0; i < model->rowCount(index); ++i)
+            {
+                indices.emplace_front(model->index(i, 0, index), depth + 1);
+            }
+        }
+    }
+
+    QModelIndex AssetBrowserTest::GetModelIndex(const QAbstractItemModel* model, int targetDepth, int row)
+    {
+        AZStd::deque<AZStd::pair<QModelIndex, int>> indices;
+        indices.push_back({ model->index(0, 0), 0 });
+        while (!indices.empty())
+        {
+            auto [index, depth] = indices.front();
+            indices.pop_front();
+
+            for (int i = 0; i < model->rowCount(index); ++i)
+            {
+                if (depth + 1 == targetDepth && row == i)
+                {
+                    return model->index(i, 0, index);
+                }
+                indices.emplace_front(model->index(i, 0, index), depth + 1);
+            }
+        }
+        return QModelIndex();
+    }
+
+    AZStd::shared_ptr<AzToolsFramework::AssetBrowser::RootAssetBrowserEntry> AssetBrowserTest::GetRootEntry()
+    {
+        return m_assetBrowserComponent->GetAssetBrowserModel()->GetRootEntry();
+    }
+
+    AZStd::vector<QString> AssetBrowserTest::GetVectorFromFormattedString(const QString& formattedString)
+    {
+        AZStd::vector<QString> hierarchySections;
+        QStringList splittedList = formattedString.split('\n', Qt::SkipEmptyParts);
+
+        for (auto& str : splittedList)
+        {
+            str.replace(" ", "");
+            hierarchySections.push_back(str);
+        }
+        return hierarchySections;
+    }
+
+    TEST_F(AssetBrowserTest, CheckCorrectNumberOfEntriesInTableView)
+    {
+        m_filterModel->FilterUpdatedSlotImmediate();
+        const int tableViewRowcount = m_tableModel->rowCount();
+
+        // RowCount should be 17 -> 5 SourceEntries + 12 ProductEntries)
+        EXPECT_EQ(tableViewRowcount, 17);
+    }
+
+    TEST_F(AssetBrowserTest, CheckCorrectNumberOfEntriesInTableViewAfterStringFilter)
+    {
+        /*
+         *-Source_1
+         * |
+         * |-product_1_0
+         * |-product_1_1
+         *
+         *
+         * Matching entries = 3
+         */
+
+        // Apply string filter
+        m_searchWidget->SetTextFilter(QString("source_1"));
+        m_filterModel->FilterUpdatedSlotImmediate();
+
+        const int tableViewRowcount = m_tableModel->rowCount();
+        EXPECT_EQ(tableViewRowcount, 3);
+    }
+
+    TEST_F(AssetBrowserTest, CheckScanFolderAddition)
+    {
+        EXPECT_EQ(m_assetBrowserComponent->GetAssetBrowserModel()->rowCount(), 1);
+        const int newFolderId = 20;
+        AddScanFolder(newFolderId, "E:/TestFolder/TestFolder2", "TestFolder");
+
+        // Since the folder is empty it shouldn't be added to the model.
+        EXPECT_EQ(m_assetBrowserComponent->GetAssetBrowserModel()->rowCount(), 1);
+
+        CreateSourceEntry(123, newFolderId, "DummyFile");
+
+        // When we add a file to the folder it should be added to the model
+        EXPECT_EQ(m_assetBrowserComponent->GetAssetBrowserModel()->rowCount(), 2);
+    }
+
+} // namespace UnitTest

Code/Framework/AzToolsFramework/Tests/UI/EntityPropertyEditorTests.cpp

@@ -36,11 +36,6 @@ namespace UnitTest
         : public ComponentApplication
     {
     public:
-        void SetExecutableFolder(const char* path)
-        {
-            m_exeDirectory = path;
-        }
-
         void SetSettingsRegistrySpecializations(SettingsRegistryInterface::Specializations& specializations) override
         {
             ComponentApplication::SetSettingsRegistrySpecializations(specializations);

Code/Framework/AzToolsFramework/Tests/aztoolsframeworktests_files.cmake

@@ -123,6 +123,7 @@ set(FILES
     UI/EntityIdQLineEditTests.cpp
     UI/EntityOutlinerTests.cpp
     UI/EntityPropertyEditorTests.cpp
+    UI/AssetBrowserTests.cpp
     UndoStack.cpp
     Viewport/ClusterTests.cpp
     Viewport/ViewportEditorModeTests.cpp

Code/LauncherUnified/launcher_generator.cmake

@@ -76,6 +76,12 @@ foreach(project_name project_path IN ZIP_LISTS LY_PROJECTS_TARGET_NAME LY_PROJEC
             Legacy::CrySystem
         )
 
+        if(PAL_TRAIT_BUILD_SERVER_SUPPORTED)
+            set(server_runtime_dependencies
+                Legacy::CrySystem
+            )
+        endif()
+
     endif()
 
     ################################################################################

Code/Legacy/CryCommon/ISystem.h

@@ -1121,8 +1121,8 @@ inline ISystem* GetISystem()
 
 // Description:
 //   This function must be called once by each module at the beginning, to setup global pointers.
-extern "C" AZ_DLL_EXPORT void ModuleInitISystem(ISystem* pSystem, const char* moduleName);
-extern "C" AZ_DLL_EXPORT void ModuleShutdownISystem(ISystem* pSystem);
+void ModuleInitISystem(ISystem* pSystem, const char* moduleName);
+void ModuleShutdownISystem(ISystem* pSystem);
 extern "C" AZ_DLL_EXPORT void InjectEnvironment(void* env);
 extern "C" AZ_DLL_EXPORT void DetachEnvironment();
 

Code/Legacy/CryCommon/platform_impl.cpp

@@ -74,7 +74,7 @@ void InitCRTHandlers() {}
 //////////////////////////////////////////////////////////////////////////
 // This is an entry to DLL initialization function that must be called for each loaded module
 //////////////////////////////////////////////////////////////////////////
-extern "C" AZ_DLL_EXPORT void ModuleInitISystem(ISystem* pSystem, [[maybe_unused]] const char* moduleName)
+void ModuleInitISystem(ISystem* pSystem, [[maybe_unused]] const char* moduleName)
 {
     if (gEnv) // Already registered.
     {
@@ -96,7 +96,7 @@ extern "C" AZ_DLL_EXPORT void ModuleInitISystem(ISystem* pSystem, [[maybe_unused
     } // if pSystem
 }
 
-extern "C" AZ_DLL_EXPORT void ModuleShutdownISystem([[maybe_unused]] ISystem* pSystem)
+void ModuleShutdownISystem([[maybe_unused]] ISystem* pSystem)
 {
     // Unregister with AZ environment.
     AZ::Environment::Detach();

Code/Legacy/CrySystem/SystemInit.cpp

@@ -173,8 +173,6 @@ void CryEngineSignalHandler(int signal)
 
 //////////////////////////////////////////////////////////////////////////
 #if defined(WIN32) || defined(LINUX) || defined(APPLE)
-#   define DLL_MODULE_INIT_ISYSTEM "ModuleInitISystem"
-#   define DLL_MODULE_SHUTDOWN_ISYSTEM "ModuleShutdownISystem"
 #   define DLL_INITFUNC_RENDERER "PackageRenderConstructor"
 #   define DLL_INITFUNC_SOUND "CreateSoundSystem"
 #   define DLL_INITFUNC_FONT "CreateCryFontInterface"
@@ -188,8 +186,6 @@ void CryEngineSignalHandler(int signal)
 #if defined(AZ_RESTRICTED_SECTION_IMPLEMENTED)
 #undef AZ_RESTRICTED_SECTION_IMPLEMENTED
 #else
-#   define DLL_MODULE_INIT_ISYSTEM (LPCSTR)2
-#   define DLL_MODULE_SHUTDOWN_ISYSTEM (LPCSTR)3
 #   define DLL_INITFUNC_RENDERER  (LPCSTR)1
 #   define DLL_INITFUNC_RENDERER  (LPCSTR)1
 #   define DLL_INITFUNC_SOUND     (LPCSTR)1
@@ -445,18 +441,6 @@ AZStd::unique_ptr<AZ::DynamicModuleHandle> CSystem::LoadDLL(const char* dllName)
         return handle;
     }
 
-    //////////////////////////////////////////////////////////////////////////
-    // After loading DLL initialize it by calling ModuleInitISystem
-    //////////////////////////////////////////////////////////////////////////
-    AZStd::string moduleName = PathUtil::GetFileName(dllName);
-
-    typedef void*(*PtrFunc_ModuleInitISystem)(ISystem* pSystem, const char* moduleName);
-    PtrFunc_ModuleInitISystem pfnModuleInitISystem = handle->GetFunction<PtrFunc_ModuleInitISystem>(DLL_MODULE_INIT_ISYSTEM);
-    if (pfnModuleInitISystem)
-    {
-        pfnModuleInitISystem(this, moduleName.c_str());
-    }
-
     return handle;
 }
 
@@ -497,13 +481,6 @@ void CSystem::ShutdownModuleLibraries()
 #if !defined(AZ_MONOLITHIC_BUILD)
     for (auto iterator = m_moduleDLLHandles.begin(); iterator != m_moduleDLLHandles.end(); ++iterator)
     {
-        typedef void*( * PtrFunc_ModuleShutdownISystem )(ISystem* pSystem);
-
-        PtrFunc_ModuleShutdownISystem pfnModuleShutdownISystem = iterator->second->GetFunction<PtrFunc_ModuleShutdownISystem>(DLL_MODULE_SHUTDOWN_ISYSTEM);
-        if (pfnModuleShutdownISystem)
-        {
-            pfnModuleShutdownISystem(this);
-        }
         if (iterator->second->IsLoaded())
         {
             iterator->second->Unload();

Code/Legacy/CrySystem/XConsole.cpp

@@ -333,11 +333,6 @@ void CXConsole::Init(ISystem* pSystem)
 
     m_nLoadingBackTexID = -1;
 
-    if (gEnv->IsDedicated())
-    {
-        m_bConsoleActive = true;
-    }
-
     REGISTER_COMMAND("ConsoleShow", &ConsoleShow, VF_NULL, "Opens the console");
     REGISTER_COMMAND("ConsoleHide", &ConsoleHide, VF_NULL, "Closes the console");
 

Code/Tools/AssetBundler/source/utils/GUIApplicationManager.cpp

@@ -346,9 +346,7 @@ namespace AssetBundler
         }
 
         // Determine the enabled platforms
-        const char* appRoot = nullptr;
-        AzFramework::ApplicationRequests::Bus::BroadcastResult(appRoot, &AzFramework::ApplicationRequests::GetAppRoot);
-        m_enabledPlatforms = GetEnabledPlatformFlags(GetEngineRoot(), appRoot, AZ::Utils::GetProjectPath().c_str());
+        m_enabledPlatforms = GetEnabledPlatformFlags(GetEngineRoot(), AZStd::string_view(AZ::Utils::GetProjectPath()));
 
         // Determine which Gems are enabled for the current project
         if (!AzFramework::GetGemsInfo(m_gemInfoList, *m_settingsRegistry))

Code/Tools/AssetBundler/source/utils/applicationManager.cpp

@@ -1401,7 +1401,6 @@ namespace AssetBundler
 
         // If no platform was specified, defaulting to platforms specified in the asset processor config files
         AzFramework::PlatformFlags platformFlags = GetEnabledPlatformFlags(
-            AZStd::string_view{ AZ::Utils::GetEnginePath() },
             AZStd::string_view{ AZ::Utils::GetEnginePath() },
             AZStd::string_view{ AZ::Utils::GetProjectPath() });
         [[maybe_unused]] auto platformsString = AzFramework::PlatformHelper::GetCommaSeparatedPlatformList(platformFlags);

Code/Tools/AssetBundler/source/utils/utils.cpp

@@ -377,7 +377,6 @@ namespace AssetBundler
 
     AzFramework::PlatformFlags GetEnabledPlatformFlags(
         AZStd::string_view engineRoot,
-        AZStd::string_view assetRoot,
         AZStd::string_view projectPath)
     {
         auto settingsRegistry = AZ::SettingsRegistry::Get();
@@ -387,7 +386,7 @@ namespace AssetBundler
             return AzFramework::PlatformFlags::Platform_NONE;
         }
 
-        auto configFiles = AzToolsFramework::AssetUtils::GetConfigFiles(engineRoot, assetRoot, projectPath, true, true, settingsRegistry);
+        auto configFiles = AzToolsFramework::AssetUtils::GetConfigFiles(engineRoot, projectPath, true, true, settingsRegistry);
         auto enabledPlatformList = AzToolsFramework::AssetUtils::GetEnabledPlatforms(*settingsRegistry, configFiles);
         AzFramework::PlatformFlags platformFlags = AzFramework::PlatformFlags::Platform_NONE;
         for (const auto& enabledPlatform : enabledPlatformList)

Code/Tools/AssetBundler/source/utils/utils.h

@@ -221,7 +221,6 @@ namespace AssetBundler
     //! Please note that the game project could be in a different location to the engine therefore we need the assetRoot param.
     AzFramework::PlatformFlags GetEnabledPlatformFlags(
         AZStd::string_view enginePath,
-        AZStd::string_view assetRoot,
         AZStd::string_view projectPath);
 
     QJsonObject ReadJson(const AZStd::string& filePath);

Code/Tools/AssetBundler/tests/UtilsTests.cpp

@@ -67,7 +67,7 @@ namespace AssetBundler
         void NormalizePathKeepCase(AZStd::string& /*path*/) override {}
         void CalculateBranchTokenForEngineRoot(AZStd::string& /*token*/) const override {}
 
-        const char* GetEngineRoot() const override
+        const char* GetTempDir() const
         {
             return m_tempDir->GetDirectory();
         }
@@ -83,7 +83,7 @@ namespace AssetBundler
     TEST_F(MockUtilsTest, DISABLED_TestFilePath_StartsWithAFileSeparator_Valid)
     {
         AZ::IO::Path relFilePath = "Foo/foo.xml";
-        AZ::IO::Path absoluteFilePath = AZ::IO::PathView(GetEngineRoot()).RootPath();
+        AZ::IO::Path absoluteFilePath = AZ::IO::PathView(GetTempDir()).RootPath();
         absoluteFilePath /= relFilePath;
         absoluteFilePath = absoluteFilePath.LexicallyNormal();
 
@@ -95,7 +95,7 @@ namespace AssetBundler
     TEST_F(MockUtilsTest, TestFilePath_RelativePath_Valid)
     {
         AZ::IO::Path relFilePath = "Foo\\foo.xml";
-        AZ::IO::Path absoluteFilePath = (AZ::IO::Path(GetEngineRoot()) / relFilePath).LexicallyNormal();
+        AZ::IO::Path absoluteFilePath = (AZ::IO::Path(GetTempDir()) / relFilePath).LexicallyNormal();
         FilePath filePath(relFilePath.Native());
         EXPECT_EQ(AZ::IO::PathView{ filePath.AbsolutePath() }, absoluteFilePath);
     }
@@ -107,8 +107,8 @@ namespace AssetBundler
         AZ::IO::Path relFilePath = "Foo\\Foo.xml";
         AZ::IO::Path wrongCaseRelFilePath = "Foo\\foo.xml";
 
-        AZ::IO::Path correctAbsoluteFilePath = (AZ::IO::Path(GetEngineRoot()) / relFilePath).LexicallyNormal();
-        AZ::IO::Path wrongCaseAbsoluteFilePath = (AZ::IO::Path(GetEngineRoot()) / wrongCaseRelFilePath).LexicallyNormal();
+        AZ::IO::Path correctAbsoluteFilePath = (AZ::IO::Path(GetTempDir()) / relFilePath).LexicallyNormal();
+        AZ::IO::Path wrongCaseAbsoluteFilePath = (AZ::IO::Path(GetTempDir()) / wrongCaseRelFilePath).LexicallyNormal();
 
         AZ::IO::HandleType fileHandle = AZ::IO::InvalidHandle;
         AZ::IO::FileIOBase::GetInstance()->Open(correctAbsoluteFilePath.c_str(), AZ::IO::OpenMode::ModeWrite | AZ::IO::OpenMode::ModeCreatePath, fileHandle);
@@ -121,7 +121,7 @@ namespace AssetBundler
     TEST_F(MockUtilsTest, TestFilePath_NoFileExists_NoError_valid)
     {
         AZ::IO::Path relFilePath = "Foo\\Foo.xml";
-        AZ::IO::Path absoluteFilePath = (AZ::IO::Path(GetEngineRoot()) / relFilePath).LexicallyNormal();
+        AZ::IO::Path absoluteFilePath = (AZ::IO::Path(GetTempDir()) / relFilePath).LexicallyNormal();
 
         FilePath filePath(absoluteFilePath.Native(), true, false);
         EXPECT_TRUE(filePath.IsValid());
@@ -132,8 +132,8 @@ namespace AssetBundler
     {
         AZStd::string relFilePath = "Foo\\Foo.xml";
         AZStd::string wrongCaseRelFilePath = "Foo\\foo.xml";
-        AZ::IO::Path correctAbsoluteFilePath = (AZ::IO::Path(GetEngineRoot()) / relFilePath).LexicallyNormal();
-        AZ::IO::Path wrongCaseAbsoluteFilePath = (AZ::IO::Path(GetEngineRoot()) / wrongCaseRelFilePath).LexicallyNormal();
+        AZ::IO::Path correctAbsoluteFilePath = (AZ::IO::Path(GetTempDir()) / relFilePath).LexicallyNormal();
+        AZ::IO::Path wrongCaseAbsoluteFilePath = (AZ::IO::Path(GetTempDir()) / wrongCaseRelFilePath).LexicallyNormal();
 
         AZ::IO::HandleType fileHandle = AZ::IO::InvalidHandle;
         AZ::IO::FileIOBase::GetInstance()->Open(correctAbsoluteFilePath.c_str(), AZ::IO::OpenMode::ModeWrite | AZ::IO::OpenMode::ModeCreatePath, fileHandle);

Code/Tools/AssetBundler/tests/applicationManagerTests.cpp

@@ -16,6 +16,7 @@
 #include <AzCore/Settings/SettingsRegistryImpl.h>
 #include <AzCore/Settings/SettingsRegistryMergeUtils.h>
 #include <AzCore/UserSettings/UserSettingsComponent.h>
+#include <AzCore/Utils/Utils.h>
 
 #include <source/utils/utils.h>
 #include <source/utils/applicationManager.h>
@@ -84,10 +85,9 @@ namespace AssetBundler
             // in the unit tests.
             AZ::UserSettingsComponentRequestBus::Broadcast(&AZ::UserSettingsComponentRequests::DisableSaveOnFinalize);
 
-            const char* engineRoot = nullptr;
-            AzFramework::ApplicationRequests::Bus::BroadcastResult(engineRoot, &AzFramework::ApplicationRequests::GetEngineRoot);
-            ASSERT_TRUE(engineRoot) << "Unable to locate engine root.\n";
-            AzFramework::StringFunc::Path::Join(engineRoot, RelativeTestFolder, m_data->m_testEngineRoot);
+            AZ::IO::FixedMaxPath engineRoot = AZ::Utils::GetEnginePath();
+            ASSERT_TRUE(!engineRoot.empty()) << "Unable to locate engine root.\n";
+            m_data->m_testEngineRoot = (engineRoot / RelativeTestFolder).String();
 
             m_data->m_localFileIO = aznew AZ::IO::LocalFileIO();
             m_data->m_priorFileIO = AZ::IO::FileIOBase::GetInstance();
@@ -150,7 +150,8 @@ namespace AssetBundler
 
         EXPECT_EQ(0, gemsNameMap.size());
 
-        AzFramework::PlatformFlags platformFlags = GetEnabledPlatformFlags(m_data->m_testEngineRoot.c_str(), m_data->m_testEngineRoot.c_str(), DummyProjectName);
+        const auto testProjectPath = AZ::IO::Path(m_data->m_testEngineRoot) / DummyProjectName;
+        AzFramework::PlatformFlags platformFlags = GetEnabledPlatformFlags(m_data->m_testEngineRoot, testProjectPath.Native());
         AzFramework::PlatformFlags hostPlatformFlag = AzFramework::PlatformHelper::GetPlatformFlag(AzToolsFramework::AssetSystem::GetHostAssetPlatform());
         AzFramework::PlatformFlags expectedFlags = AzFramework::PlatformFlags::Platform_ANDROID | AzFramework::PlatformFlags::Platform_IOS | AzFramework::PlatformFlags::Platform_PROVO | hostPlatformFlag;
         ASSERT_EQ(platformFlags, expectedFlags);

Code/Tools/AssetProcessor/native/tests/AssetProcessorTest.h

@@ -25,7 +25,7 @@ namespace AssetProcessor
         : public ::testing::Test
     {
     protected:
-        UnitTestUtils::AssertAbsorber* m_errorAbsorber;
+        AZStd::unique_ptr<UnitTestUtils::AssertAbsorber> m_errorAbsorber{};
         FileStatePassthrough m_fileStateCache;
 
         void SetUp() override
@@ -40,7 +40,7 @@ namespace AssetProcessor
                 m_ownsSysAllocator = true;
                 AZ::AllocatorInstance<AZ::SystemAllocator>::Create();
             }
-            m_errorAbsorber = new UnitTestUtils::AssertAbsorber();
+            m_errorAbsorber = AZStd::make_unique<UnitTestUtils::AssertAbsorber>();
 
             m_application = AZStd::make_unique<AzFramework::Application>();
 
@@ -62,8 +62,8 @@ namespace AssetProcessor
             AssetUtilities::ResetAssetRoot();
             
             m_application.reset();
-            delete m_errorAbsorber;
-            m_errorAbsorber = nullptr;
+            m_errorAbsorber.reset();
+
             if (m_ownsSysAllocator)
             {
                 AZ::AllocatorInstance<AZ::SystemAllocator>::Destroy();

Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp

@@ -52,11 +52,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_BadPlatform)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_broken_badplatform");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_GT(m_absorber.m_numErrorsAbsorbed, 0);
 }
 
@@ -67,11 +68,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_NoPlatform)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_broken_noplatform");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_GT(m_absorber.m_numErrorsAbsorbed, 0);
 }
 
@@ -81,11 +83,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_NoScanFolders)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_broken_noscans");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_GT(m_absorber.m_numErrorsAbsorbed, 0);
 }
 
@@ -95,11 +98,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_BrokenRecognizers)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_broken_recognizers");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_GT(m_absorber.m_numErrorsAbsorbed, 0);
 }
 
@@ -109,11 +113,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_Regular_Platforms)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_regular");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_EQ(m_absorber.m_numErrorsAbsorbed, 0);
 
     // verify the data.
@@ -322,12 +327,13 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_RegularScanfolder)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_regular");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
     AssetUtilities::ComputeProjectName(EmptyDummyProjectName, true);
-    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_EQ(m_absorber.m_numErrorsAbsorbed, 0);
 
     ASSERT_EQ(config.GetScanFolderCount(), 3); // the two, and then the one that has the same data as prior but different identifier.
@@ -356,11 +362,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_RegularScanfolderP
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_regular_platform_scanfolder");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_EQ(m_absorber.m_numErrorsAbsorbed, 0);
 
     ASSERT_EQ(config.GetScanFolderCount(), 5);
@@ -402,11 +409,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_RegularExcludes)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_regular");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_EQ(m_absorber.m_numErrorsAbsorbed, 0);
 
     ASSERT_TRUE(config.IsFileExcluded("blahblah/$tmp_01.test"));
@@ -427,11 +435,12 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_Recognizers)
 #endif
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_regular");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_EQ(m_absorber.m_numErrorsAbsorbed, 0);
 
     const AssetProcessor::RecognizerContainer& recogs = config.GetAssetRecognizerContainer();
@@ -518,12 +527,13 @@ TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_Overrides)
     using namespace AzToolsFramework::AssetSystem;
     using namespace AssetProcessor;
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / DummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_regular");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
 
-    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), DummyProjectName, false, false));
+    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_EQ(m_absorber.m_numErrorsAbsorbed, 0);
 
     const AssetProcessor::RecognizerContainer& recogs = config.GetAssetRecognizerContainer();
@@ -625,11 +635,12 @@ TEST_F(PlatformConfigurationUnitTests, ReadCheckServer_FromConfig_Valid)
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_regular");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_TRUE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_EQ(m_absorber.m_numErrorsAbsorbed, 0);
 
     const AssetProcessor::RecognizerContainer& recogs = config.GetAssetRecognizerContainer();
@@ -674,11 +685,12 @@ TEST_F(PlatformConfigurationUnitTests, Test_MetaFileTypes_AssetImporterExtension
     using namespace AssetProcessor;
 
     const auto testExeFolder = AZ::IO::FileIOBase::GetInstance()->ResolvePath(TestAppRoot);
+    const AZ::IO::FixedMaxPath projectPath = (*testExeFolder) / EmptyDummyProjectName;
     auto configRoot = AZ::IO::FileIOBase::GetInstance()->ResolvePath("@exefolder@/testdata/config_metadata");
     ASSERT_TRUE(configRoot);
     UnitTestPlatformConfiguration config;
     m_absorber.Clear();
-    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), EmptyDummyProjectName, false, false));
+    ASSERT_FALSE(config.InitializeFromConfigFiles(configRoot->c_str(), testExeFolder->c_str(), projectPath.c_str(), false, false));
     ASSERT_GT(m_absorber.m_numErrorsAbsorbed, 0);
     ASSERT_TRUE(config.MetaDataFileTypesCount() == 2);
 

Code/Tools/AssetProcessor/native/utilities/PlatformConfiguration.cpp

@@ -749,7 +749,7 @@ namespace AssetProcessor
         }
 
         AZStd::vector<AZ::IO::Path> configFiles = AzToolsFramework::AssetUtils::GetConfigFiles(absoluteSystemRoot.toUtf8().constData(),
-            absoluteAssetRoot.toUtf8().constData(), projectPath.toUtf8().constData(),
+            projectPath.toUtf8().constData(),
             addPlatformConfigs, addGemsConfigs && !noGemScanFolders, settingsRegistry);
 
         // First Merge all Engine, Gem and Project specific AssetProcessor*Config.setreg/.inifiles

Code/Tools/BundleLauncher/O3DE_SDK_Launcher.cpp

@@ -49,6 +49,12 @@ int main(int argc, char* argv[])
     AZStd::unique_ptr<AzFramework::ProcessWatcher> shellProcess(AzFramework::ProcessWatcher::LaunchProcess(shellProcessLaunch, AzFramework::ProcessCommunicationType::COMMUNICATOR_TYPE_NONE));
     shellProcess->WaitForProcessToExit(120);
     shellProcess.reset();
+
+    parameters = AZStd::string::format("-c \"%s/scripts/o3de.sh register --this-engine\"", enginePath.c_str());
+    shellProcessLaunch.m_commandlineParameters = parameters;
+    shellProcess.reset(AzFramework::ProcessWatcher::LaunchProcess(shellProcessLaunch, AzFramework::ProcessCommunicationType::COMMUNICATOR_TYPE_NONE));
+    shellProcess->WaitForProcessToExit(120);
+    shellProcess.reset();
     
     AZ::IO::FixedMaxPath projectManagerPath = installedBinariesFolder/"o3de.app"/"Contents"/"MacOS"/"o3de";
     AzFramework::ProcessLauncher::ProcessLaunchInfo processLaunchInfo;

Code/Tools/ProjectManager/Platform/Linux/ProjectUtils_linux.cpp

@@ -10,6 +10,8 @@
 #include <QProcessEnvironment>
 #include <QDir>
 
+#include <AzCore/Utils/Utils.h>
+
 namespace O3DE::ProjectManager
 {
     namespace ProjectUtils
@@ -94,5 +96,10 @@ namespace O3DE::ProjectManager
                 QProcessEnvironment::systemEnvironment(),
                 QObject::tr("Running get_python script..."));
         }
+
+        AZ::IO::FixedMaxPath GetEditorDirectory()
+        {
+            return AZ::Utils::GetExecutableDirectory();
+        }
     } // namespace ProjectUtils
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Platform/Mac/ProjectUtils_mac.cpp

@@ -11,6 +11,9 @@
 #include <QStandardPaths>
 #include <QDir>
 
+#include <AzCore/Utils/Utils.h>
+#include <AzCore/Settings/SettingsRegistryMergeUtils.h>
+
 namespace O3DE::ProjectManager
 {
     namespace ProjectUtils
@@ -104,5 +107,35 @@ namespace O3DE::ProjectManager
                 QProcessEnvironment::systemEnvironment(),
                 QObject::tr("Running get_python script..."));
         }
+
+        AZ::IO::FixedMaxPath GetEditorDirectory()
+        {
+            AZ::IO::FixedMaxPath executableDirectory = AZ::Utils::GetExecutableDirectory();
+            AZ::IO::FixedMaxPath editorPath{ executableDirectory };
+            editorPath /= "../../../Editor.app/Contents/MacOS";
+            editorPath = editorPath.LexicallyNormal();
+            if (!AZ::IO::SystemFile::IsDirectory(editorPath.c_str()))
+            {
+                if (auto settingsRegistry = AZ::SettingsRegistry::Get(); settingsRegistry != nullptr)
+                {
+                    if (AZ::IO::FixedMaxPath installedBinariesPath;
+                        settingsRegistry->Get(installedBinariesPath.Native(), AZ::SettingsRegistryMergeUtils::FilePathKey_InstalledBinaryFolder))
+                    {
+                        if (AZ::IO::FixedMaxPath engineRootFolder;
+                            settingsRegistry->Get(engineRootFolder.Native(), AZ::SettingsRegistryMergeUtils::FilePathKey_EngineRootFolder))
+                        {
+                            editorPath = engineRootFolder / installedBinariesPath / "Editor.app/Contents/MacOS";
+                        }
+                    }
+                }
+
+                if (!AZ::IO::SystemFile::IsDirectory(editorPath.c_str()))
+                {
+                    AZ_Error("ProjectManager", false, "Unable to find the Editor app bundle!");
+                }
+            }
+
+            return editorPath;
+        }
     } // namespace ProjectUtils
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Platform/Windows/ProjectUtils_windows.cpp

@@ -14,6 +14,8 @@
 #include <QProcess>
 #include <QProcessEnvironment>
 
+#include <AzCore/Utils/Utils.h>
+
 namespace O3DE::ProjectManager
 {
     namespace ProjectUtils
@@ -139,5 +141,10 @@ namespace O3DE::ProjectManager
                 QProcessEnvironment::systemEnvironment(),
                 QObject::tr("Running get_python script..."));
         }
+
+        AZ::IO::FixedMaxPath GetEditorDirectory()
+        {
+            return AZ::Utils::GetExecutableDirectory();
+        }
     } // namespace ProjectUtils
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/CreateProjectCtrl.cpp

@@ -13,6 +13,7 @@
 #include <ScreenHeaderWidget.h>
 #include <GemCatalog/GemModel.h>
 #include <GemCatalog/GemCatalogScreen.h>
+#include <GemRepo/GemRepoScreen.h>
 #include <ProjectUtils.h>
 
 #include <QDialogButtonBox>
@@ -47,9 +48,14 @@ namespace O3DE::ProjectManager
 
         m_gemCatalogScreen = new GemCatalogScreen(this);
         m_stack->addWidget(m_gemCatalogScreen);
+
+        m_gemRepoScreen = new GemRepoScreen(this);
+        m_stack->addWidget(m_gemRepoScreen);
+
         vLayout->addWidget(m_stack);
 
         connect(m_gemCatalogScreen, &ScreenWidget::ChangeScreenRequest, this, &CreateProjectCtrl::OnChangeScreenRequest);
+        connect(m_gemRepoScreen, &GemRepoScreen::OnRefresh, m_gemCatalogScreen, &GemCatalogScreen::Refresh);
 
         // When there are multiple project templates present, we re-gather the gems when changing the selected the project template.
         connect(m_newProjectSettingsScreen, &NewProjectSettingsScreen::OnTemplateSelectionChanged, this, [=](int oldIndex, [[maybe_unused]] int newIndex)
@@ -89,6 +95,9 @@ namespace O3DE::ProjectManager
         buttons->setObjectName("footer");
         vLayout->addWidget(buttons);
 
+        m_primaryButton = buttons->addButton(tr("Create Project"), QDialogButtonBox::ApplyRole);
+        connect(m_primaryButton, &QPushButton::clicked, this, &CreateProjectCtrl::HandlePrimaryButton);
+
 #ifdef TEMPLATE_GEM_CONFIGURATION_ENABLED
         connect(m_newProjectSettingsScreen, &ScreenWidget::ChangeScreenRequest, this, &CreateProjectCtrl::OnChangeScreenRequest);
 
@@ -100,8 +109,6 @@ namespace O3DE::ProjectManager
         Update();
 #endif // TEMPLATE_GEM_CONFIGURATION_ENABLED
 
-        m_primaryButton = buttons->addButton(tr("Create Project"), QDialogButtonBox::ApplyRole);
-        connect(m_primaryButton, &QPushButton::clicked, this, &CreateProjectCtrl::HandlePrimaryButton);
 
         setLayout(vLayout);
     }
@@ -122,6 +129,9 @@ namespace O3DE::ProjectManager
 
         // Gather the enabled gems from the default project template when starting the create new project workflow.
         ReinitGemCatalogForSelectedTemplate();
+
+        // make sure the gem repo has the latest details
+        m_gemRepoScreen->Reinit();
     }
 
     void CreateProjectCtrl::HandleBackButton()
@@ -160,12 +170,21 @@ namespace O3DE::ProjectManager
         {
             m_header->setSubTitle(tr("Configure project with Gems"));
             m_secondaryButton->setVisible(false);
+            m_primaryButton->setVisible(true);
+        }
+        else if (m_stack->currentWidget() == m_gemRepoScreen)
+        {
+            m_header->setSubTitle(tr("Gem Repositories"));
+            m_secondaryButton->setVisible(true);
+            m_secondaryButton->setText(tr("Back"));
+            m_primaryButton->setVisible(false);
         }
         else
         {
             m_header->setSubTitle(tr("Enter Project Details"));
             m_secondaryButton->setVisible(true);
             m_secondaryButton->setText(tr("Configure Gems"));
+            m_primaryButton->setVisible(true);
         }
     }
 
@@ -175,6 +194,10 @@ namespace O3DE::ProjectManager
         {
             HandleSecondaryButton();
         }
+        else if (screen == ProjectManagerScreen::GemRepos)
+        {
+            NextScreen();
+        }
         else
         {
             emit ChangeScreenRequest(screen);
@@ -230,6 +253,12 @@ namespace O3DE::ProjectManager
         {
             if (m_newProjectSettingsScreen->Validate())
             {
+                if (!m_gemCatalogScreen->GetDownloadController()->IsDownloadQueueEmpty())
+                {
+                    QMessageBox::critical(this, tr("Gems downloading"), tr("You must wait for gems to finish downloading before continuing."));
+                    return;
+                }
+
                 ProjectInfo projectInfo = m_newProjectSettingsScreen->GetProjectInfo();
                 QString projectTemplatePath = m_newProjectSettingsScreen->GetProjectTemplatePath();
 

Code/Tools/ProjectManager/Source/CreateProjectCtrl.h

@@ -23,6 +23,7 @@ namespace O3DE::ProjectManager
     QT_FORWARD_DECLARE_CLASS(ScreenHeader)
     QT_FORWARD_DECLARE_CLASS(NewProjectSettingsScreen)
     QT_FORWARD_DECLARE_CLASS(GemCatalogScreen)
+    QT_FORWARD_DECLARE_CLASS(GemRepoScreen)
 
     class CreateProjectCtrl
         : public ScreenWidget
@@ -64,6 +65,7 @@ namespace O3DE::ProjectManager
 
         NewProjectSettingsScreen* m_newProjectSettingsScreen = nullptr;
         GemCatalogScreen* m_gemCatalogScreen = nullptr;
+        GemRepoScreen* m_gemRepoScreen = nullptr;
     };
 
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/EngineScreenCtrl.cpp

@@ -39,6 +39,10 @@ namespace O3DE::ProjectManager
 
         m_tabWidget->addTab(m_engineSettingsScreen, tr("General"));
         m_tabWidget->addTab(m_gemRepoScreen, tr("Gem Repositories"));
+
+        // when tab changes, notify the current screen so it can refresh
+        connect(m_tabWidget, &QTabWidget::currentChanged, this, &EngineScreenCtrl::TabChanged);
+
         topBarHLayout->addWidget(m_tabWidget);
 
         vLayout->addWidget(topBarFrameWidget);
@@ -46,6 +50,11 @@ namespace O3DE::ProjectManager
         setLayout(vLayout);
     }
 
+    void EngineScreenCtrl::TabChanged([[maybe_unused]] int index)
+    {
+        NotifyCurrentScreen();
+    }
+
     ProjectManagerScreen EngineScreenCtrl::GetScreenEnum()
     {
         return ProjectManagerScreen::UpdateProject;
@@ -71,6 +80,15 @@ namespace O3DE::ProjectManager
         return false;
     }
 
+    void EngineScreenCtrl::NotifyCurrentScreen()
+    {
+        ScreenWidget* screen = reinterpret_cast<ScreenWidget*>(m_tabWidget->currentWidget());
+        if (screen)
+        {
+            screen->NotifyCurrentScreen();
+        }
+    }
+
     void EngineScreenCtrl::GoToScreen(ProjectManagerScreen screen)
     {
         if (screen == m_engineSettingsScreen->GetScreenEnum())

Code/Tools/ProjectManager/Source/EngineScreenCtrl.h

@@ -30,6 +30,10 @@ namespace O3DE::ProjectManager
         bool IsTab() override;
         bool ContainsScreen(ProjectManagerScreen screen) override;
         void GoToScreen(ProjectManagerScreen screen) override;
+        void NotifyCurrentScreen() override;
+
+    public slots:
+        void TabChanged(int index);
 
         QTabWidget* m_tabWidget = nullptr;
         EngineSettingsScreen* m_engineSettingsScreen = nullptr;

Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp

@@ -152,7 +152,7 @@ namespace O3DE::ProjectManager
             }
             else
             {
-                tagContainer->Update(ConvertFromModelIndices(tagIndices));
+                tagContainer->Update(GetTagsFromModelIndices(tagIndices));
                 label->setText(QString("%1 %2").arg(tagIndices.size()).arg(tagIndices.size() == 1 ? singularTitle : pluralTitle));
                 widget->show();
             }
@@ -237,7 +237,7 @@ namespace O3DE::ProjectManager
 
         // Gem name, progress string, cancel
         QHBoxLayout* nameProgressLayout = new QHBoxLayout(newGemDownloadWidget);
-        TagWidget* newTag = new TagWidget(gemName, newGemDownloadWidget);
+        TagWidget* newTag = new TagWidget({gemName, gemName}, newGemDownloadWidget);
         nameProgressLayout->addWidget(newTag);
         QLabel* progress = new QLabel(tr("Queued"), newGemDownloadWidget);
         progress->setObjectName("DownloadProgressLabel");
@@ -311,15 +311,15 @@ namespace O3DE::ProjectManager
         GemDownloadRemoved(gemName); // update the list to remove the gem that has finished
     }
 
-    QStringList CartOverlayWidget::ConvertFromModelIndices(const QVector<QModelIndex>& gems) const
+    QVector<Tag> CartOverlayWidget::GetTagsFromModelIndices(const QVector<QModelIndex>& gems) const
     {
-        QStringList gemNames;
-        gemNames.reserve(gems.size());
+        QVector<Tag> tags;
+        tags.reserve(gems.size());
         for (const QModelIndex& modelIndex : gems)
         {
-            gemNames.push_back(GemModel::GetDisplayName(modelIndex));
+            tags.push_back({ GemModel::GetDisplayName(modelIndex), GemModel::GetName(modelIndex) });
         }
-        return gemNames;
+        return tags;
     }
 
     CartButton::CartButton(GemModel* gemModel, DownloadController* downloadController, QWidget* parent)

Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h

@@ -43,7 +43,7 @@ namespace O3DE::ProjectManager
         void GemDownloadComplete(const QString& gemName, bool success);
 
     private:
-        QStringList ConvertFromModelIndices(const QVector<QModelIndex>& gems) const;
+        QVector<Tag> GetTagsFromModelIndices(const QVector<QModelIndex>& gems) const;
 
         using GetTagIndicesCallback = AZStd::function<QVector<QModelIndex>()>;
         void CreateGemSection(const QString& singularTitle, const QString& pluralTitle, GetTagIndicesCallback getTagIndices);

Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp

@@ -23,6 +23,7 @@
 #include <QStandardPaths>
 #include <QFileDialog>
 #include <QMessageBox>
+#include <QHash>
 
 namespace O3DE::ProjectManager
 {
@@ -32,6 +33,9 @@ namespace O3DE::ProjectManager
         m_gemModel = new GemModel(this);
         m_proxyModel = new GemSortFilterProxyModel(m_gemModel, this);
 
+        // default to sort by gem name
+        m_proxyModel->setSortRole(GemModel::RoleName);
+
         QVBoxLayout* vLayout = new QVBoxLayout();
         vLayout->setMargin(0);
         vLayout->setSpacing(0);
@@ -45,6 +49,7 @@ namespace O3DE::ProjectManager
         connect(m_gemModel, &GemModel::gemStatusChanged, this, &GemCatalogScreen::OnGemStatusChanged);
         connect(m_headerWidget, &GemCatalogHeaderWidget::OpenGemsRepo, this, &GemCatalogScreen::HandleOpenGemRepo);
         connect(m_headerWidget, &GemCatalogHeaderWidget::AddGem, this, &GemCatalogScreen::OnAddGemClicked);
+        connect(m_downloadController, &DownloadController::Done, this, &GemCatalogScreen::OnGemDownloadResult);
 
         QHBoxLayout* hLayout = new QHBoxLayout();
         hLayout->setMargin(0);
@@ -54,7 +59,7 @@ namespace O3DE::ProjectManager
         m_gemInspector = new GemInspector(m_gemModel, this);
         m_gemInspector->setFixedWidth(240);
 
-        connect(m_gemInspector, &GemInspector::TagClicked, this, &GemCatalogScreen::SelectGem);
+        connect(m_gemInspector, &GemInspector::TagClicked, [=](const Tag& tag) { SelectGem(tag.id); });
 
         QWidget* filterWidget = new QWidget(this);
         filterWidget->setFixedWidth(240);
@@ -82,11 +87,20 @@ namespace O3DE::ProjectManager
 
     void GemCatalogScreen::ReinitForProject(const QString& projectPath)
     {
+        m_projectPath = projectPath;
         m_gemModel->Clear();
         m_gemsToRegisterWithProject.clear();
+
+        if (m_filterWidget)
+        {
+            // disconnect so we don't update the status filter for every gem we add
+            disconnect(m_gemModel, &GemModel::dataChanged, m_filterWidget, &GemFilterWidget::ResetGemStatusFilter);
+        }
+
         FillModel(projectPath);
 
         m_proxyModel->ResetFilters();
+        m_proxyModel->sort(/*column=*/0);
 
         if (m_filterWidget)
         {
@@ -144,11 +158,80 @@ namespace O3DE::ProjectManager
                 {
                     m_gemModel->AddGem(gemInfoResult.GetValue<GemInfo>());
                     m_gemModel->UpdateGemDependencies();
+                    m_proxyModel->sort(/*column=*/0);
                 }
             }
         }
     }
 
+    void GemCatalogScreen::Refresh()
+    {
+        QHash<QString, GemInfo> gemInfoHash;
+
+        // create a hash with the gem name as key
+        const AZ::Outcome<QVector<GemInfo>, AZStd::string>& allGemInfosResult = PythonBindingsInterface::Get()->GetAllGemInfos(m_projectPath);
+        if (allGemInfosResult.IsSuccess())
+        {
+            const QVector<GemInfo>& gemInfos = allGemInfosResult.GetValue();
+            for (const GemInfo& gemInfo : gemInfos)
+            {
+                gemInfoHash.insert(gemInfo.m_name, gemInfo);
+            }
+        }
+
+        // add all the gem repos into the hash
+        const AZ::Outcome<QVector<GemInfo>, AZStd::string>& allRepoGemInfosResult = PythonBindingsInterface::Get()->GetAllGemRepoGemsInfos();
+        if (allRepoGemInfosResult.IsSuccess())
+        {
+            const QVector<GemInfo>& allRepoGemInfos = allRepoGemInfosResult.GetValue();
+            for (const GemInfo& gemInfo : allRepoGemInfos)
+            {
+                if (!gemInfoHash.contains(gemInfo.m_name))
+                {
+                    gemInfoHash.insert(gemInfo.m_name, gemInfo);
+                }
+            }
+        }
+
+        // remove gems from the model that no longer exist in the hash and are not project dependencies
+        int i = 0;
+        while (i < m_gemModel->rowCount())
+        {
+            QModelIndex index = m_gemModel->index(i,0);
+            QString gemName = m_gemModel->GetName(index);
+            const bool gemFound = gemInfoHash.contains(gemName);
+            if (!gemFound && !m_gemModel->IsAdded(index) && !m_gemModel->IsAddedDependency(index))
+            {
+                m_gemModel->removeRow(i);
+            }
+            else
+            {
+                if (!gemFound && (m_gemModel->IsAdded(index) || m_gemModel->IsAddedDependency(index)))
+                {
+                    const QString error = tr("Gem %1 was removed or unregistered, but is still used by the project.").arg(gemName);
+                    AZ_Warning("Project Manager", false, error.toUtf8().constData());
+                    QMessageBox::warning(this, tr("Gem not found"), error.toUtf8().constData());
+                }
+
+                gemInfoHash.remove(gemName);
+                i++;
+            }
+        }
+
+        // add all gems remaining in the hash that were not removed
+        for(auto iter = gemInfoHash.begin(); iter != gemInfoHash.end(); ++iter)
+        {
+            m_gemModel->AddGem(iter.value());
+        }
+
+        m_gemModel->UpdateGemDependencies();
+        m_proxyModel->sort(/*column=*/0);
+
+        // temporary, until we can refresh filter counts 
+        m_proxyModel->ResetFilters();
+        m_filterWidget->ResetAllFilters();
+    }
+
     void GemCatalogScreen::OnGemStatusChanged(const QString& gemName, uint32_t numChangedDependencies) 
     {
         if (m_notificationsEnabled)
@@ -237,20 +320,22 @@ namespace O3DE::ProjectManager
 
     void GemCatalogScreen::FillModel(const QString& projectPath)
     {
-        AZ::Outcome<QVector<GemInfo>, AZStd::string> allGemInfosResult = PythonBindingsInterface::Get()->GetAllGemInfos(projectPath);
+        m_projectPath = projectPath;
+
+        const AZ::Outcome<QVector<GemInfo>, AZStd::string>& allGemInfosResult = PythonBindingsInterface::Get()->GetAllGemInfos(projectPath);
         if (allGemInfosResult.IsSuccess())
         {
             // Add all available gems to the model.
-            const QVector<GemInfo> allGemInfos = allGemInfosResult.GetValue();
+            const QVector<GemInfo>& allGemInfos = allGemInfosResult.GetValue();
             for (const GemInfo& gemInfo : allGemInfos)
             {
                 m_gemModel->AddGem(gemInfo);
             }
 
-            AZ::Outcome<QVector<GemInfo>, AZStd::string> allRepoGemInfosResult = PythonBindingsInterface::Get()->GetAllGemRepoGemsInfos();
+            const AZ::Outcome<QVector<GemInfo>, AZStd::string>& allRepoGemInfosResult = PythonBindingsInterface::Get()->GetAllGemRepoGemsInfos();
             if (allRepoGemInfosResult.IsSuccess())
             {
-                const QVector<GemInfo> allRepoGemInfos = allRepoGemInfosResult.GetValue();
+                const QVector<GemInfo>& allRepoGemInfos = allRepoGemInfosResult.GetValue();
                 for (const GemInfo& gemInfo : allRepoGemInfos)
                 {
                     // do not add gems that have already been downloaded
@@ -269,10 +354,10 @@ namespace O3DE::ProjectManager
             m_notificationsEnabled = false;
 
             // Gather enabled gems for the given project.
-            auto enabledGemNamesResult = PythonBindingsInterface::Get()->GetEnabledGemNames(projectPath);
+            const auto& enabledGemNamesResult = PythonBindingsInterface::Get()->GetEnabledGemNames(projectPath);
             if (enabledGemNamesResult.IsSuccess())
             {
-                const QVector<AZStd::string> enabledGemNames = enabledGemNamesResult.GetValue();
+                const QVector<AZStd::string>& enabledGemNames = enabledGemNamesResult.GetValue();
                 for (const AZStd::string& enabledGemName : enabledGemNames)
                 {
                     const QModelIndex modelIndex = m_gemModel->FindIndexByNameString(enabledGemName.c_str());
@@ -332,12 +417,24 @@ namespace O3DE::ProjectManager
 
         for (const QModelIndex& modelIndex : toBeAdded)
         {
-            const QString gemPath = GemModel::GetPath(modelIndex);
+            const QString& gemPath = GemModel::GetPath(modelIndex);
+
+            // make sure any remote gems we added were downloaded successfully 
+            if (GemModel::GetGemOrigin(modelIndex) == GemInfo::Remote && GemModel::GetDownloadStatus(modelIndex) != GemInfo::Downloaded)
+            {
+                QMessageBox::critical(
+                    nullptr, "Cannot add gem that isn't downloaded",
+                    tr("Cannot add gem %1 to project because it isn't downloaded yet or failed to download.")
+                        .arg(GemModel::GetDisplayName(modelIndex)));
+
+                return EnableDisableGemsResult::Failed;
+            }
+
             const AZ::Outcome<void, AZStd::string> result = pythonBindings->AddGemToProject(gemPath, projectPath);
             if (!result.IsSuccess())
             {
-                QMessageBox::critical(nullptr, "Operation failed",
-                    QString("Cannot add gem %1 to project.\n\nError:\n%2").arg(GemModel::GetDisplayName(modelIndex), result.GetError().c_str()));
+                QMessageBox::critical(nullptr, "Failed to add gem to project",
+                    tr("Cannot add gem %1 to project.<br><br>Error:<br>%2").arg(GemModel::GetDisplayName(modelIndex), result.GetError().c_str()));
 
                 return EnableDisableGemsResult::Failed;
             }
@@ -355,8 +452,8 @@ namespace O3DE::ProjectManager
             const AZ::Outcome<void, AZStd::string> result = pythonBindings->RemoveGemFromProject(gemPath, projectPath);
             if (!result.IsSuccess())
             {
-                QMessageBox::critical(nullptr, "Operation failed",
-                    QString("Cannot remove gem %1 from project.\n\nError:\n%2").arg(GemModel::GetDisplayName(modelIndex), result.GetError().c_str()));
+                QMessageBox::critical(nullptr, "Failed to remove gem from project",
+                    tr("Cannot remove gem %1 from project.<br><br>Error:<br>%2").arg(GemModel::GetDisplayName(modelIndex), result.GetError().c_str()));
 
                 return EnableDisableGemsResult::Failed;
             }
@@ -367,23 +464,35 @@ namespace O3DE::ProjectManager
 
     void GemCatalogScreen::HandleOpenGemRepo()
     {
-        QVector<QModelIndex> gemsToBeAdded = m_gemModel->GatherGemsToBeAdded(true);
-        QVector<QModelIndex> gemsToBeRemoved = m_gemModel->GatherGemsToBeRemoved(true);
+        emit ChangeScreenRequest(ProjectManagerScreen::GemRepos);
+    }
 
-        if (!gemsToBeAdded.empty() || !gemsToBeRemoved.empty())
+    void GemCatalogScreen::OnGemDownloadResult(const QString& gemName, bool succeeded)
+    {
+        if (succeeded)
         {
-            QMessageBox::StandardButton warningResult = QMessageBox::warning(
-                nullptr, "Pending Changes",
-                "There are some unsaved changes to the gem selection,<br> they will be lost if you change screens.<br> Are you sure?",
-                QMessageBox::No | QMessageBox::Yes);
-
-            if (warningResult != QMessageBox::Yes)
+            // refresh the information for downloaded gems
+            const AZ::Outcome<QVector<GemInfo>, AZStd::string>& allGemInfosResult = PythonBindingsInterface::Get()->GetAllGemInfos(m_projectPath);
+            if (allGemInfosResult.IsSuccess())
             {
-                return;
+                // we should find the gem name now in all gem infos
+                for (const GemInfo& gemInfo : allGemInfosResult.GetValue())
+                {
+                    if (gemInfo.m_name == gemName)
+                    {
+                        QModelIndex index = m_gemModel->FindIndexByNameString(gemName);
+                        if (index.isValid())
+                        {
+                            m_gemModel->setData(index, GemInfo::Downloaded, GemModel::RoleDownloadStatus);
+                            m_gemModel->setData(index, gemInfo.m_path, GemModel::RolePath);
+                            m_gemModel->setData(index, gemInfo.m_path, GemModel::RoleDirectoryLink);
+                        }
+
+                        return;
+                    }
+                }
             }
         }
-
-        emit ChangeScreenRequest(ProjectManagerScreen::GemRepos);
     }
 
     ProjectManagerScreen GemCatalogScreen::GetScreenEnum()

Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.h

@@ -49,6 +49,8 @@ namespace O3DE::ProjectManager
         void OnGemStatusChanged(const QString& gemName, uint32_t numChangedDependencies);
         void OnAddGemClicked();
         void SelectGem(const QString& gemName);
+        void OnGemDownloadResult(const QString& gemName, bool succeeded = true);
+        void Refresh();
 
     protected:
         void hideEvent(QHideEvent* event) override;
@@ -75,5 +77,6 @@ namespace O3DE::ProjectManager
         DownloadController* m_downloadController = nullptr;
         bool m_notificationsEnabled = true;
         QSet<QString> m_gemsToRegisterWithProject;
+        QString m_projectPath = nullptr;
     };
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/GemCatalog/GemInspector.cpp

@@ -106,10 +106,10 @@ namespace O3DE::ProjectManager
         }
 
         // Depending gems
-        QStringList dependingGems = m_model->GetDependingGemNames(modelIndex);
-        if (!dependingGems.isEmpty())
+        const QVector<Tag>& dependingGemTags = m_model->GetDependingGemTags(modelIndex);
+        if (!dependingGemTags.isEmpty())
         {
-            m_dependingGems->Update(tr("Depending Gems"), tr("The following Gems will be automatically enabled with this Gem."), dependingGems);
+            m_dependingGems->Update(tr("Depending Gems"), tr("The following Gems will be automatically enabled with this Gem."), dependingGemTags);
             m_dependingGems->show();
         }
         else
@@ -120,7 +120,8 @@ namespace O3DE::ProjectManager
         // Additional information
         m_versionLabel->setText(tr("Gem Version: %1").arg(m_model->GetVersion(modelIndex)));
         m_lastUpdatedLabel->setText(tr("Last Updated: %1").arg(m_model->GetLastUpdated(modelIndex)));
-        m_binarySizeLabel->setText(tr("Binary Size:  %1 KB").arg(m_model->GetBinarySizeInKB(modelIndex)));
+        const int binarySize = m_model->GetBinarySizeInKB(modelIndex);
+        m_binarySizeLabel->setText(tr("Binary Size:  %1").arg(binarySize ? tr("%1 KB").arg(binarySize) : tr("Unknown")));
 
         m_mainWidget->adjustSize();
         m_mainWidget->show();
@@ -222,7 +223,7 @@ namespace O3DE::ProjectManager
 
         // Depending gems
         m_dependingGems = new GemsSubWidget();
-        connect(m_dependingGems, &GemsSubWidget::TagClicked, this, [=](const QString& tag){ emit TagClicked(tag); });
+        connect(m_dependingGems, &GemsSubWidget::TagClicked, this, [=](const Tag& tag){ emit TagClicked(tag); });
         m_mainLayout->addWidget(m_dependingGems);
         m_mainLayout->addSpacing(20);
 

Code/Tools/ProjectManager/Source/GemCatalog/GemInspector.h

@@ -44,7 +44,7 @@ namespace O3DE::ProjectManager
         inline constexpr static const char* s_textColor = "#DDDDDD";
 
     signals:
-        void TagClicked(const QString& tag);
+        void TagClicked(const Tag& tag);
 
     private slots:
         void OnSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected);

Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp

@@ -18,6 +18,7 @@ namespace O3DE::ProjectManager
         : QStandardItemModel(parent)
     {
         m_selectionModel = new QItemSelectionModel(this, parent);
+        connect(this, &QAbstractItemModel::rowsAboutToBeRemoved, this, &GemModel::OnRowsAboutToBeRemoved);
     }
 
     QItemSelectionModel* GemModel::GetSelectionModel() const
@@ -64,7 +65,6 @@ namespace O3DE::ProjectManager
         appendRow(item);
 
         const QModelIndex modelIndex = index(rowCount()-1, 0);
-        m_nameToIndexMap[gemInfo.m_displayName] = modelIndex;
         m_nameToIndexMap[gemInfo.m_name] = modelIndex;
     }
 
@@ -177,18 +177,6 @@ namespace O3DE::ProjectManager
         return {};
     }
 
-    void GemModel::FindGemDisplayNamesByNameStrings(QStringList& inOutGemNames)
-    {
-        for (QString& name : inOutGemNames)
-        {
-            QModelIndex modelIndex = FindIndexByNameString(name);
-            if (modelIndex.isValid())
-            {
-                name = GetDisplayName(modelIndex);
-            }
-        }
-    }
-
     QStringList GemModel::GetDependingGems(const QModelIndex& modelIndex)
     {
         return modelIndex.data(RoleDependingGems).toStringList();
@@ -208,16 +196,23 @@ namespace O3DE::ProjectManager
         }
     }
 
-    QStringList GemModel::GetDependingGemNames(const QModelIndex& modelIndex)
+    QVector<Tag> GemModel::GetDependingGemTags(const QModelIndex& modelIndex)
     {
-        QStringList result = GetDependingGems(modelIndex);
-        if (result.isEmpty())
+        QVector<Tag> tags;
+
+        QStringList dependingGemNames = GetDependingGems(modelIndex);
+        tags.reserve(dependingGemNames.size());
+
+        for (QString& gemName : dependingGemNames)
         {
-            return {};
+            const QModelIndex& dependingIndex = FindIndexByNameString(gemName);
+            if (dependingIndex.isValid())
+            {
+                tags.push_back({ GetDisplayName(dependingIndex), GetName(dependingIndex) });
+            }
         }
 
-        FindGemDisplayNamesByNameStrings(result);
-        return result;
+        return tags;
     }
 
     QString GemModel::GetVersion(const QModelIndex& modelIndex)
@@ -372,6 +367,16 @@ namespace O3DE::ProjectManager
         gemModel->emit gemStatusChanged(gemName, numChangedDependencies);
     }
 
+    void GemModel::OnRowsAboutToBeRemoved(const QModelIndex& parent, int first, int last)
+    {
+        for (int i = first; i <= last; ++i)
+        {
+            QModelIndex modelIndex = index(i, 0, parent);
+            const QString& gemName = GetName(modelIndex);
+            m_nameToIndexMap.remove(gemName);
+        }
+    }
+
     void GemModel::SetIsAddedDependency(QAbstractItemModel& model, const QModelIndex& modelIndex, bool isAdded)
     {
         model.setData(modelIndex, isAdded, RoleIsAddedDependency);

Code/Tools/ProjectManager/Source/GemCatalog/GemModel.h

@@ -10,6 +10,7 @@
 
 #if !defined(Q_MOC_RUN)
 #include <GemCatalog/GemInfo.h>
+#include <TagWidget.h>
 #include <QAbstractItemModel>
 #include <QStandardItemModel>
 #include <QItemSelectionModel>
@@ -26,12 +27,39 @@ namespace O3DE::ProjectManager
         explicit GemModel(QObject* parent = nullptr);
         QItemSelectionModel* GetSelectionModel() const;
 
+        enum UserRole
+        {
+            RoleName = Qt::UserRole,
+            RoleDisplayName,
+            RoleCreator,
+            RoleGemOrigin,
+            RolePlatforms,
+            RoleSummary,
+            RoleWasPreviouslyAdded,
+            RoleWasPreviouslyAddedDependency,
+            RoleIsAdded,
+            RoleIsAddedDependency,
+            RoleDirectoryLink,
+            RoleDocLink,
+            RoleDependingGems,
+            RoleVersion,
+            RoleLastUpdated,
+            RoleBinarySize,
+            RoleFeatures,
+            RoleTypes,
+            RolePath,
+            RoleRequirement,
+            RoleDownloadStatus,
+            RoleLicenseText,
+            RoleLicenseLink
+        };
+
         void AddGem(const GemInfo& gemInfo);
         void Clear();
         void UpdateGemDependencies();
 
         QModelIndex FindIndexByNameString(const QString& nameString) const;
-        QStringList GetDependingGemNames(const QModelIndex& modelIndex);
+        QVector<Tag> GetDependingGemTags(const QModelIndex& modelIndex);
         bool HasDependentGems(const QModelIndex& modelIndex) const;
 
         static QString GetName(const QModelIndex& modelIndex);
@@ -82,38 +110,13 @@ namespace O3DE::ProjectManager
     signals:
         void gemStatusChanged(const QString& gemName, uint32_t numChangedDependencies);
 
+    protected slots: 
+        void OnRowsAboutToBeRemoved(const QModelIndex& parent, int first, int last);
+
     private:
-        void FindGemDisplayNamesByNameStrings(QStringList& inOutGemNames);
         void GetAllDependingGems(const QModelIndex& modelIndex, QSet<QModelIndex>& inOutGems);
         QStringList GetDependingGems(const QModelIndex& modelIndex);
 
-        enum UserRole
-        {
-            RoleName = Qt::UserRole,
-            RoleDisplayName,
-            RoleCreator,
-            RoleGemOrigin,
-            RolePlatforms,
-            RoleSummary,
-            RoleWasPreviouslyAdded,
-            RoleWasPreviouslyAddedDependency,
-            RoleIsAdded,
-            RoleIsAddedDependency,
-            RoleDirectoryLink,
-            RoleDocLink,
-            RoleDependingGems,
-            RoleVersion,
-            RoleLastUpdated,
-            RoleBinarySize,
-            RoleFeatures,
-            RoleTypes,
-            RolePath,
-            RoleRequirement,
-            RoleDownloadStatus,
-            RoleLicenseText,
-            RoleLicenseLink
-        };
-
         QHash<QString, QModelIndex> m_nameToIndexMap;
         QItemSelectionModel* m_selectionModel = nullptr;
         QHash<QString, QSet<QModelIndex>> m_gemDependencyMap;

Code/Tools/ProjectManager/Source/GemRepo/GemRepoInspector.cpp

@@ -86,7 +86,7 @@ namespace O3DE::ProjectManager
         }
 
         // Included Gems
-        m_includedGems->Update(tr("Included Gems"), "", m_model->GetIncludedGemNames(modelIndex));
+        m_includedGems->Update(tr("Included Gems"), "", m_model->GetIncludedGemTags(modelIndex));
 
         m_mainWidget->adjustSize();
         m_mainWidget->show();

Code/Tools/ProjectManager/Source/GemRepo/GemRepoModel.cpp

@@ -103,17 +103,17 @@ namespace O3DE::ProjectManager
         return modelIndex.data(RoleIncludedGems).toStringList();
     }
 
-    QStringList GemRepoModel::GetIncludedGemNames(const QModelIndex& modelIndex)
+    QVector<Tag> GemRepoModel::GetIncludedGemTags(const QModelIndex& modelIndex)
     {
-        QStringList gemNames;
-        QVector<GemInfo> gemInfos = GetIncludedGemInfos(modelIndex);
-
+        QVector<Tag> tags;
+        const QVector<GemInfo>& gemInfos = GetIncludedGemInfos(modelIndex);
+        tags.reserve(gemInfos.size());
         for (const GemInfo& gemInfo : gemInfos)
         {
-            gemNames.append(gemInfo.m_displayName);
+            tags.append({ gemInfo.m_displayName, gemInfo.m_name });
         }
 
-        return gemNames;
+        return tags;
     }
 
     QVector<GemInfo> GemRepoModel::GetIncludedGemInfos(const QModelIndex& modelIndex)

Code/Tools/ProjectManager/Source/GemRepo/GemRepoModel.h

@@ -40,7 +40,7 @@ namespace O3DE::ProjectManager
         static QString GetPath(const QModelIndex& modelIndex);
 
         static QStringList GetIncludedGemPaths(const QModelIndex& modelIndex);
-        static QStringList GetIncludedGemNames(const QModelIndex& modelIndex);
+        static QVector<Tag> GetIncludedGemTags(const QModelIndex& modelIndex);
         static QVector<GemInfo> GetIncludedGemInfos(const QModelIndex& modelIndex);
 
         static bool IsEnabled(const QModelIndex& modelIndex);

Code/Tools/ProjectManager/Source/GemRepo/GemRepoScreen.cpp

@@ -52,6 +52,11 @@ namespace O3DE::ProjectManager
         Reinit();
     }
 
+    void GemRepoScreen::NotifyCurrentScreen()
+    {
+        Reinit();
+    }
+
     void GemRepoScreen::Reinit()
     {
         m_gemRepoModel->clear();
@@ -91,6 +96,7 @@ namespace O3DE::ProjectManager
             if (addGemRepoResult)
             {
                 Reinit();
+                emit OnRefresh();
             }
             else
             {
@@ -116,6 +122,7 @@ namespace O3DE::ProjectManager
             if (removeGemRepoResult)
             {
                 Reinit();
+                emit OnRefresh();
             }
             else
             {
@@ -130,6 +137,7 @@ namespace O3DE::ProjectManager
     {
         bool refreshResult = PythonBindingsInterface::Get()->RefreshAllGemRepos();
         Reinit();
+        emit OnRefresh();
 
         if (!refreshResult)
         {
@@ -146,6 +154,7 @@ namespace O3DE::ProjectManager
         if (refreshResult.IsSuccess())
         {
             Reinit();
+            emit OnRefresh();
         }
         else
         {

Code/Tools/ProjectManager/Source/GemRepo/GemRepoScreen.h

@@ -28,6 +28,7 @@ namespace O3DE::ProjectManager
     class GemRepoScreen
         : public ScreenWidget
     {
+        Q_OBJECT
     public:
         explicit GemRepoScreen(QWidget* parent = nullptr);
         ~GemRepoScreen() = default;
@@ -37,12 +38,18 @@ namespace O3DE::ProjectManager
 
         GemRepoModel* GetGemRepoModel() const { return m_gemRepoModel; }
 
+        void NotifyCurrentScreen() override;
+
+    signals:
+        void OnRefresh();
+
     public slots:
         void HandleAddRepoButton();
         void HandleRemoveRepoButton(const QModelIndex& modelIndex);
         void HandleRefreshAllButton();
         void HandleRefreshRepoButton(const QModelIndex& modelIndex);
 
+
     private:
         void FillModel();
         QFrame* CreateNoReposContent();

Code/Tools/ProjectManager/Source/GemsSubWidget.cpp

@@ -33,14 +33,14 @@ namespace O3DE::ProjectManager
         m_layout->addWidget(m_textLabel);
 
         m_tagWidget = new TagContainerWidget();
-        connect(m_tagWidget, &TagContainerWidget::TagClicked, this, [=](const QString& tag){ emit TagClicked(tag); });
+        connect(m_tagWidget, &TagContainerWidget::TagClicked, this, [=](const Tag& tag){ emit TagClicked(tag); });
         m_layout->addWidget(m_tagWidget);
     }
 
-    void GemsSubWidget::Update(const QString& title, const QString& text, const QStringList& gemNames)
+    void GemsSubWidget::Update(const QString& title, const QString& text, const QVector<Tag>& tags)
     {
         m_titleLabel->setText(title);
         m_textLabel->setText(text);
-        m_tagWidget->Update(gemNames);
+        m_tagWidget->Update(tags);
     }
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/GemsSubWidget.h

@@ -26,10 +26,10 @@ namespace O3DE::ProjectManager
 
     public:
         GemsSubWidget(QWidget* parent = nullptr);
-        void Update(const QString& title, const QString& text, const QStringList& gemNames);
+        void Update(const QString& title, const QString& text, const QVector<Tag>& tags);
 
     signals:
-        void TagClicked(const QString& tag);
+        void TagClicked(const Tag& tag);
 
     private:
         QLabel* m_titleLabel = nullptr;

Code/Tools/ProjectManager/Source/ProjectUtils.h

@@ -14,6 +14,7 @@
 #include <QWidget>
 #include <QProcessEnvironment>
 
+#include <AzCore/IO/Path/Path_fwd.h>
 #include <AzCore/Outcome/Outcome.h>
 
 namespace O3DE::ProjectManager
@@ -67,7 +68,8 @@ namespace O3DE::ProjectManager
         AZ::Outcome<QString, QString> GetProjectBuildPath(const QString& projectPath);
         AZ::Outcome<void, QString> OpenCMakeGUI(const QString& projectPath);
         AZ::Outcome<QString, QString> RunGetPythonScript(const QString& enginePath);
-
+        
+        AZ::IO::FixedMaxPath GetEditorDirectory();
 
     } // namespace ProjectUtils
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/ProjectsScreen.cpp

@@ -392,11 +392,11 @@ namespace O3DE::ProjectManager
         {
             if (!WarnIfInBuildQueue(projectPath))
             {
-                AZ::IO::FixedMaxPath executableDirectory = AZ::Utils::GetExecutableDirectory();
+                AZ::IO::FixedMaxPath executableDirectory = ProjectUtils::GetEditorDirectory();
                 AZStd::string executableFilename = "Editor";
                 AZ::IO::FixedMaxPath editorExecutablePath = executableDirectory / (executableFilename + AZ_TRAIT_OS_EXECUTABLE_EXTENSION);
                 auto cmdPath = AZ::IO::FixedMaxPathString::format(
-                    "%s -regset=\"/Amazon/AzCore/Bootstrap/project_path=%s\"", editorExecutablePath.c_str(),
+                    "%s --regset=\"/Amazon/AzCore/Bootstrap/project_path=%s\"", editorExecutablePath.c_str(),
                     projectPath.toStdString().c_str());
 
                 AzFramework::ProcessLauncher::ProcessLaunchInfo processLaunchInfo;

Code/Tools/ProjectManager/Source/PythonBindings.cpp

@@ -53,6 +53,8 @@ namespace Platform
 
 #define Py_To_String(obj) pybind11::str(obj).cast<std::string>().c_str()
 #define Py_To_String_Optional(dict, key, default_string) dict.contains(key) ? Py_To_String(dict[key]) : default_string
+#define Py_To_Int(obj) obj.cast<int>()
+#define Py_To_Int_Optional(dict, key, default_int) dict.contains(key) ? Py_To_Int(dict[key]) : default_int
 #define QString_To_Py_String(value) pybind11::str(value.toStdString())
 #define QString_To_Py_Path(value) m_pathlib.attr("Path")(value.toStdString())
 
@@ -705,7 +707,9 @@ namespace O3DE::ProjectManager
                 // optional
                 gemInfo.m_displayName = Py_To_String_Optional(data, "display_name", gemInfo.m_name);
                 gemInfo.m_summary = Py_To_String_Optional(data, "summary", "");
-                gemInfo.m_version = "";
+                gemInfo.m_version = Py_To_String_Optional(data, "version", gemInfo.m_version);
+                gemInfo.m_lastUpdatedDate = Py_To_String_Optional(data, "last_updated", gemInfo.m_lastUpdatedDate);
+                gemInfo.m_binarySizeInKB = Py_To_Int_Optional(data, "binary_size", gemInfo.m_binarySizeInKB);
                 gemInfo.m_requirement = Py_To_String_Optional(data, "requirements", "");
                 gemInfo.m_creator = Py_To_String_Optional(data, "origin", "");
                 gemInfo.m_documentationLink = Py_To_String_Optional(data, "documentation_url", "");
@@ -1175,6 +1179,7 @@ namespace O3DE::ProjectManager
                     QString_To_Py_String(gemName), // gem name
                     pybind11::none(), // destination path
                     false, // skip auto register
+                    false, // force
                     pybind11::cpp_function(
                         [this, gemProgressCallback](int progress)
                         {

Code/Tools/ProjectManager/Source/TagWidget.cpp

@@ -12,15 +12,16 @@
 
 namespace O3DE::ProjectManager
 {
-    TagWidget::TagWidget(const QString& text, QWidget* parent)
-        : QLabel(text, parent)
+    TagWidget::TagWidget(const Tag& tag, QWidget* parent)
+        : QLabel(tag.text, parent)
+        , m_tag(tag)
     {
         setObjectName("TagWidget");
     }
 
     void TagWidget::mousePressEvent([[maybe_unused]] QMouseEvent* event)
     {
-        emit(TagClicked(text()));
+        emit TagClicked(m_tag);
     }
 
     TagContainerWidget::TagContainerWidget(QWidget* parent)
@@ -39,20 +40,34 @@ namespace O3DE::ProjectManager
 
     void TagContainerWidget::Update(const QStringList& tags)
     {
-        FlowLayout* flowLayout = static_cast<FlowLayout*>(layout());
+        Clear();
 
-        // remove old tags
+        foreach (const QString& tag, tags)
+        {
+            TagWidget* tagWidget = new TagWidget({tag, tag});
+            connect(tagWidget, &TagWidget::TagClicked, this, [=](const Tag& clickedTag){ emit TagClicked(clickedTag); });
+            layout()->addWidget(tagWidget);
+        }
+    }
+
+    void TagContainerWidget::Update(const QVector<Tag>& tags)
+    {
+        Clear();
+
+        foreach (const Tag& tag, tags)
+        {
+            TagWidget* tagWidget = new TagWidget(tag);
+            connect(tagWidget, &TagWidget::TagClicked, this, [=](const Tag& clickedTag){ emit TagClicked(clickedTag); });
+            layout()->addWidget(tagWidget);
+        }
+    }
+
+    void TagContainerWidget::Clear()
+    {
         QLayoutItem* layoutItem = nullptr; 
         while ((layoutItem = layout()->takeAt(0)) != nullptr)
         {
             layoutItem->widget()->deleteLater();
         }
-
-        foreach (const QString& tag, tags)
-        {
-            TagWidget* tagWidget = new TagWidget(tag);
-            connect(tagWidget, &TagWidget::TagClicked, this, [=](const QString& tag){ emit TagClicked(tag); });
-            flowLayout->addWidget(tagWidget);
-        }
     }
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/TagWidget.h

@@ -10,12 +10,19 @@
 
 #if !defined(Q_MOC_RUN)
 #include <QLabel>
-#include <QStringList>
 #include <QWidget>
+#include <QVector>
+#include <QStringList>
 #endif
 
 namespace O3DE::ProjectManager
 {
+    struct Tag
+    {
+        QString text;
+        QString id;
+    };
+
     // Single tag
     class TagWidget
         : public QLabel
@@ -23,14 +30,17 @@ namespace O3DE::ProjectManager
         Q_OBJECT // AUTOMOC
 
     public:
-        explicit TagWidget(const QString& text, QWidget* parent = nullptr);
+        explicit TagWidget(const Tag& id, QWidget* parent = nullptr);
         ~TagWidget() = default;
 
     signals:
-        void TagClicked(const QString& tag);
+        void TagClicked(const Tag& tag);
 
     protected:
         void mousePressEvent(QMouseEvent* event) override;
+
+    private:
+        Tag m_tag;
     };
 
     // Widget containing multiple tags, automatically wrapping based on the size
@@ -43,9 +53,13 @@ namespace O3DE::ProjectManager
         explicit TagContainerWidget(QWidget* parent = nullptr);
         ~TagContainerWidget() = default;
 
+        void Update(const QVector<Tag>& tags);
         void Update(const QStringList& tags);
 
     signals:
-        void TagClicked(const QString& tag);
+        void TagClicked(const Tag& tag);
+
+    private:
+        void Clear();
     };
 } // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/UpdateProjectCtrl.cpp

@@ -7,6 +7,7 @@
  */
 
 #include <GemCatalog/GemCatalogScreen.h>
+#include <GemRepo/GemRepoScreen.h>
 #include <ProjectManagerDefs.h>
 #include <PythonBindingsInterface.h>
 #include <ScreenHeaderWidget.h>
@@ -39,10 +40,10 @@ namespace O3DE::ProjectManager
 
         m_updateSettingsScreen = new UpdateProjectSettingsScreen();
         m_gemCatalogScreen = new GemCatalogScreen();
+        m_gemRepoScreen = new GemRepoScreen(this);
 
-        connect(m_gemCatalogScreen, &ScreenWidget::ChangeScreenRequest, this, [this](ProjectManagerScreen screen){
-            emit ChangeScreenRequest(screen);
-        });
+        connect(m_gemCatalogScreen, &ScreenWidget::ChangeScreenRequest, this, &UpdateProjectCtrl::OnChangeScreenRequest);
+        connect(m_gemRepoScreen, &GemRepoScreen::OnRefresh, m_gemCatalogScreen, &GemCatalogScreen::Refresh);
 
         m_stack = new QStackedWidget(this);
         m_stack->setObjectName("body");
@@ -69,6 +70,7 @@ namespace O3DE::ProjectManager
 
         m_stack->addWidget(topBarFrameWidget);
         m_stack->addWidget(m_gemCatalogScreen);
+        m_stack->addWidget(m_gemRepoScreen);
 
         QDialogButtonBox* backNextButtons = new QDialogButtonBox();
         backNextButtons->setObjectName("footer");
@@ -100,6 +102,22 @@ namespace O3DE::ProjectManager
 
         // Gather the available gems that will be shown in the gem catalog.
         m_gemCatalogScreen->ReinitForProject(m_projectInfo.m_path);
+
+        // make sure the gem repo has the latest repo details
+        m_gemRepoScreen->Reinit();
+    }
+
+    void UpdateProjectCtrl::OnChangeScreenRequest(ProjectManagerScreen screen)
+    {
+        if (screen == ProjectManagerScreen::GemRepos)
+        {
+            m_stack->setCurrentWidget(m_gemRepoScreen);
+            Update();
+        }
+        else
+        {
+            emit ChangeScreenRequest(screen);
+        }
     }
 
     void UpdateProjectCtrl::HandleGemsButton()
@@ -145,6 +163,7 @@ namespace O3DE::ProjectManager
                 QMessageBox::critical(this, tr("Gems downloading"), tr("You must wait for gems to finish downloading before continuing."));
                 return;
             }
+
             // Enable or disable the gems that got adjusted in the gem catalog and apply them to the given project.
             const GemCatalogScreen::EnableDisableGemsResult result = m_gemCatalogScreen->EnableDisableGemsForProject(m_projectInfo.m_path);
             if (result == GemCatalogScreen::EnableDisableGemsResult::Failed)
@@ -181,18 +200,26 @@ namespace O3DE::ProjectManager
 
     void UpdateProjectCtrl::Update()
     {
-        if (m_stack->currentIndex() == ScreenOrder::Gems)
+        if (m_stack->currentIndex() == ScreenOrder::GemRepos)
+        {
+            m_header->setTitle(QString(tr("Edit Project Settings: \"%1\"")).arg(m_projectInfo.GetProjectDisplayName()));
+            m_header->setSubTitle(QString(tr("Gem Repositories")));
+            m_nextButton->setVisible(false);
+        }
+        else if (m_stack->currentIndex() == ScreenOrder::Gems)
         {
 
             m_header->setTitle(QString(tr("Edit Project Settings: \"%1\"")).arg(m_projectInfo.GetProjectDisplayName()));
             m_header->setSubTitle(QString(tr("Configure Gems")));
             m_nextButton->setText(tr("Save"));
+            m_nextButton->setVisible(true);
         }
         else
         {
             m_header->setTitle("");
             m_header->setSubTitle(QString(tr("Edit Project Settings: \"%1\"")).arg(m_projectInfo.GetProjectDisplayName()));
             m_nextButton->setText(tr("Save"));
+            m_nextButton->setVisible(true);
         }
     }
 

Code/Tools/ProjectManager/Source/UpdateProjectCtrl.h

@@ -22,9 +22,11 @@ namespace O3DE::ProjectManager
     QT_FORWARD_DECLARE_CLASS(ScreenHeader)
     QT_FORWARD_DECLARE_CLASS(UpdateProjectSettingsScreen)
     QT_FORWARD_DECLARE_CLASS(GemCatalogScreen)
+    QT_FORWARD_DECLARE_CLASS(GemRepoScreen)
 
     class UpdateProjectCtrl : public ScreenWidget
     {
+        Q_OBJECT
     public:
         explicit UpdateProjectCtrl(QWidget* parent = nullptr);
         ~UpdateProjectCtrl() = default;
@@ -37,6 +39,7 @@ namespace O3DE::ProjectManager
         void HandleBackButton();
         void HandleNextButton();
         void HandleGemsButton();
+        void OnChangeScreenRequest(ProjectManagerScreen screen);
         void UpdateCurrentProject(const QString& projectPath);
 
     private:
@@ -47,13 +50,15 @@ namespace O3DE::ProjectManager
         enum ScreenOrder
         {
             Settings,
-            Gems
+            Gems,
+            GemRepos
         };
 
         ScreenHeader* m_header = nullptr;
         QStackedWidget* m_stack = nullptr;
         UpdateProjectSettingsScreen* m_updateSettingsScreen = nullptr;
         GemCatalogScreen* m_gemCatalogScreen = nullptr;
+        GemRepoScreen* m_gemRepoScreen = nullptr;
 
         QPushButton* m_backButton = nullptr;
         QPushButton* m_nextButton = nullptr;

Code/Tools/PythonBindingsExample/source/Application.cpp

@@ -39,7 +39,6 @@ namespace PythonBindingsExample
         AzToolsFramework::EditorPythonConsoleNotificationBus::Handler::BusConnect();
 
         // prepare the Python binding gem(s)
-        CalculateExecutablePath();
         Start(Descriptor());
 
         AZ::SerializeContext* context;

Code/Tools/SceneAPI/SceneCore/Tests/Containers/SceneBehaviorTests.cpp

@@ -368,7 +368,6 @@ namespace AZ::SceneAPI::Containers
         MOCK_METHOD0(GetSerializeContext, AZ::SerializeContext* ());
         MOCK_METHOD0(GetJsonRegistrationContext, AZ::JsonRegistrationContext* ());
         MOCK_METHOD0(GetBehaviorContext, AZ::BehaviorContext* ());
-        MOCK_CONST_METHOD0(GetAppRoot, const char*());
         MOCK_CONST_METHOD0(GetEngineRoot, const char*());
         MOCK_CONST_METHOD0(GetExecutableFolder, const char* ());
         MOCK_CONST_METHOD1(QueryApplicationType, void(AZ::ApplicationTypeQuery&));

Code/Tools/SceneAPI/SceneUI/CommonWidgets/ProcessingOverlayWidget.cpp

@@ -63,7 +63,7 @@ namespace AZ
             }
 
             ProcessingOverlayWidget::ProcessingOverlayWidget(UI::OverlayWidget* overlay, Layout layout, Uuid traceTag)
-                : QWidget()
+                : QWidget(nullptr, Qt::Tool | Qt::WindowStaysOnTopHint)
                 , m_traceTag(traceTag)
                 , ui(new Ui::ProcessingOverlayWidget())
                 , m_overlay(overlay)

Code/Tools/SerializeContextTools/Converter.cpp

@@ -202,8 +202,6 @@ namespace AZ
             bool skipSystem = commandLine->HasSwitch("skipsystem");
             bool isDryRun = commandLine->HasSwitch("dryrun");
 
-            const char* appRoot = const_cast<const Application&>(application).GetAppRoot();
-
             PathDocumentContainer documents;
             bool result = true;
             const AZStd::string& filePath = application.GetConfigFilePath();
@@ -230,7 +228,7 @@ namespace AZ
             }
             
             auto callback = 
-                [&result, skipGems, skipSystem, &configurationName, sourceGameFolder, &appRoot, &documents, &convertSettings, &verifySettings]
+                [&result, skipGems, skipSystem, &configurationName, sourceGameFolder, &documents, &convertSettings, &verifySettings]
                 (void* classPtr, const Uuid& classId, SerializeContext* context)
             {
                 if (classId == azrtti_typeid<AZ::ComponentApplication::Descriptor>())
@@ -238,7 +236,7 @@ namespace AZ
                     if (!skipSystem)
                     {
                         result = ConvertSystemSettings(documents, *reinterpret_cast<AZ::ComponentApplication::Descriptor*>(classPtr), 
-                            configurationName, sourceGameFolder, appRoot) && result;
+                            configurationName, sourceGameFolder) && result;
                     }
 
                     // Cleanup the Serialized Element to allow any classes within the element's hierarchy to delete
@@ -443,7 +441,7 @@ namespace AZ
         }
 
         bool Converter::ConvertSystemSettings(PathDocumentContainer& documents, const ComponentApplication::Descriptor& descriptor, 
-            const AZStd::string& configurationName, const AZ::IO::PathView& projectFolder, [[maybe_unused]] const AZStd::string& applicationRoot)
+            const AZStd::string& configurationName, const AZ::IO::PathView& projectFolder)
         {
             AZ::IO::FixedMaxPath memoryFilePath{ projectFolder };
             memoryFilePath /= "Registry";