Merge branch 'main' into LYN-1767-AB

Code/CryEngine/CryCommon/ISystem.h

@@ -125,7 +125,7 @@ enum ESystemConfigPlatform
 {
     CONFIG_INVALID_PLATFORM = 0,
     CONFIG_PC = 1,
-    CONFIG_OSX_GL = 2,
+    CONFIG_MAC = 2,
     CONFIG_OSX_METAL = 3,
     CONFIG_ANDROID = 4,
     CONFIG_IOS = 5,

Code/CryEngine/CryCommon/LyShine/IDraw2d.h

@@ -11,7 +11,6 @@
 */
 #pragma once
 
-#include <IRenderer.h>
 #include <AzCore/Math/Vector2.h>
 #include <AzCore/Math/Vector3.h>
 #include <AzCore/Math/Color.h>
@@ -84,7 +83,7 @@ public: // types
     //! If this is not passed then the defaults below are used
     struct TextOptions
     {
-        IFFont*         font;                   //!< default is "default"
+        AZStd::string   fontName;               //!< default is "default"
         unsigned int    effectIndex;            //!< default is 0
         AZ::Vector3     color;                  //!< default is (1,1,1)
         HAlign          horizontalAlignment;    //!< default is HAlign::Left

Code/CryEngine/CrySystem/LevelSystem/SpawnableLevelSystem.cpp

@@ -36,8 +36,8 @@ namespace LegacyLevelSystem
     //------------------------------------------------------------------------
     static void LoadLevel(const AZ::ConsoleCommandContainer& arguments)
     {
-        AZ_Error("SpawnableLevelSystem", arguments.empty(), "LoadLevel requires a level file name to be provided.");
-        AZ_Error("SpawnableLevelSystem", arguments.size() > 1, "LoadLevel requires a single level file name to be provided.");
+        AZ_Error("SpawnableLevelSystem", !arguments.empty(), "LoadLevel requires a level file name to be provided.");
+        AZ_Error("SpawnableLevelSystem", arguments.size() == 1, "LoadLevel requires a single level file name to be provided.");
 
         if (!arguments.empty() && gEnv->pSystem && gEnv->pSystem->GetILevelSystem() && !gEnv->IsEditor())
         {

Code/CryEngine/CrySystem/System.h

@@ -729,7 +729,7 @@ protected: // -------------------------------------------------------------
     CCmdLine*                                      m_pCmdLine;
 
     string  m_currentLanguageAudio;
-    string  m_systemConfigName; // computed from system_(hardwareplatform)_(assetsPlatform) - eg, system_android_es3.cfg or system_android_opengl.cfg or system_windows_pc.cfg
+    string  m_systemConfigName; // computed from system_(hardwareplatform)_(assetsPlatform) - eg, system_android_android.cfg or system_windows_pc.cfg
 
     std::vector< std::pair<CTimeValue, float> > m_updateTimes;
 

Code/CryEngine/CrySystem/SystemInit.cpp

@@ -864,11 +864,6 @@ bool CSystem::InitShine([[maybe_unused]] const SSystemInitParams& initParams)
 
     EBUS_EVENT(UiSystemBus, InitializeSystem);
 
-    if (!m_env.pLyShine)
-    {
-        AZ_Error(AZ_TRACE_SYSTEM_WINDOW, false, "LYShine System did not initialize correctly. Please check that the LyShine gem is enabled for this project in *_dependencies.cmake.");
-        return false;
-    }
     return true;
 }
 
@@ -2022,8 +2017,8 @@ void CSystem::CreateSystemVars()
     REGISTER_CVAR2("sys_streaming_in_blocks", &g_cvars.sys_streaming_in_blocks, 1, VF_NULL,
         "Streaming of large files happens in blocks");
 
-#if (defined(WIN32) || defined(WIN64)) && !defined(_RELEASE)
-    REGISTER_CVAR2("sys_float_exceptions", &g_cvars.sys_float_exceptions, 3, 0, "Use or not use floating point exceptions.");
+#if (defined(WIN32) || defined(WIN64)) && defined(_DEBUG)
+    REGISTER_CVAR2("sys_float_exceptions", &g_cvars.sys_float_exceptions, 2, 0, "Use or not use floating point exceptions.");
 #else // Float exceptions by default disabled for console builds.
     REGISTER_CVAR2("sys_float_exceptions", &g_cvars.sys_float_exceptions, 0, 0, "Use or not use floating point exceptions.");
 #endif

Code/Framework/AzAndroid/java/com/amazon/lumberyard/LumberyardActivity.java

@@ -244,7 +244,7 @@ public class LumberyardActivity extends NativeActivity
         boolean useMainObb = GetBooleanResource("use_main_obb");
         boolean usePatchObb = GetBooleanResource("use_patch_obb");
 
-        if (IsBootstrapInAPK() && (useMainObb || usePatchObb))
+        if (AreAssetsInAPK() && (useMainObb || usePatchObb))
         {
             Log.d(TAG, "Using OBB expansion files for game assets");
 
@@ -421,12 +421,12 @@ public class LumberyardActivity extends NativeActivity
     }
 
     ////////////////////////////////////////////////////////////////
-    private boolean IsBootstrapInAPK()
+    private boolean AreAssetsInAPK()
     {
         try
         {
-            InputStream bootstrap = getAssets().open("bootstrap.cfg", AssetManager.ACCESS_UNKNOWN);
-            bootstrap.close();
+            InputStream engine = getAssets().open("engine.json", AssetManager.ACCESS_UNKNOWN);
+            engine.close();
             return true;
         }
         catch (IOException exception)

Code/Framework/AzCore/AzCore/Android/Utils.cpp

@@ -148,7 +148,7 @@ namespace AZ
                     }
                 }
 
-                AZ_Assert(false, "Failed to locate the bootstrap.cfg path");
+                AZ_Assert(false, "Failed to locate the engine.json path");
                 return nullptr;
             }
 

Code/Framework/AzCore/AzCore/Android/Utils.h

@@ -73,8 +73,8 @@ namespace AZ
             //! \return The pointer position of the relative asset path
             AZ::IO::FixedMaxPath StripApkPrefix(const char* filePath);
 
-            //! Searches application storage and the APK for bootstrap.cfg.  Will return nullptr
-            //! if bootstrap.cfg is not found.
+            //! Searches application storage and the APK for engine.json.  Will return nullptr
+            //! if engine.json is not found.
             const char* FindAssetsDirectory();
 
             //! Calls into Java to show the splash screen on the main UI (Java) thread

Code/Framework/AzCore/AzCore/Asset/AssetJsonSerializer.cpp

@@ -133,7 +133,15 @@ namespace AZ
                 if (!id.m_guid.IsNull())
                 {
                     *instance = AssetManager::Instance().FindOrCreateAsset(id, instance->GetType(), instance->GetAutoLoadBehavior());
-
+                    if (!instance->GetId().IsValid())
+                    {
+                        // If the asset failed to be created, FindOrCreateAsset returns an asset instance with a null
+                        // id. To preserve the asset id in the source json, reset the asset to an empty one, but with
+                        // the right id.
+                        const auto loadBehavior = instance->GetAutoLoadBehavior();
+                        *instance = Asset<AssetData>(id, instance->GetType());
+                        instance->SetAutoLoadBehavior(loadBehavior);
+                    }
 
                     result.Combine(context.Report(result, "Successfully created Asset<T> with id."));
                 }

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

@@ -77,6 +77,27 @@
 #endif // defined(AZ_ENABLE_DEBUG_TOOLS)
 
 #include <AzCore/Module/Environment.h>
+#include <AzCore/std/string/conversions.h>
+
+static void PrintEntityName(const AZ::ConsoleCommandContainer& arguments)
+{
+    if (arguments.empty())
+    {
+        return;
+    }
+
+    const auto entityIdStr = AZStd::string(arguments.front());
+    const auto entityIdValue = AZStd::stoull(entityIdStr);
+
+    AZStd::string entityName;
+    AZ::ComponentApplicationBus::BroadcastResult(
+        entityName, &AZ::ComponentApplicationBus::Events::GetEntityName, AZ::EntityId(entityIdValue));
+
+    AZ_Printf("Entity Debug", "EntityId: %" PRIu64 ", Entity Name: %s", entityIdValue, entityName.c_str());
+}
+
+AZ_CONSOLEFREEFUNC(
+    PrintEntityName, AZ::ConsoleFunctorFlags::Null, "Parameter: EntityId value, Prints the name of the entity to the console");
 
 namespace AZ
 {
@@ -462,8 +483,6 @@ namespace AZ
         // for the application root.
         CalculateAppRoot();
 
-        // Merge the bootstrap.cfg file into the Settings Registry as soon as the OSAllocator has been created.
-        SettingsRegistryMergeUtils::MergeSettingsToRegistry_Bootstrap(*m_settingsRegistry);
         SettingsRegistryMergeUtils::MergeSettingsToRegistry_O3deUserRegistry(*m_settingsRegistry, AZ_TRAIT_OS_PLATFORM_CODENAME, {});
         SettingsRegistryMergeUtils::MergeSettingsToRegistry_CommandLine(*m_settingsRegistry, m_commandLine, executeRegDumpCommands);
         SettingsRegistryMergeUtils::MergeSettingsToRegistry_AddRuntimeFilePaths(*m_settingsRegistry);
@@ -1262,7 +1281,7 @@ namespace AZ
                 // So auto load is turned off if option "AutoLoad" key is bool that is false
                 if (valueName == "AutoLoad" && !value)
                 {
-                    // Strip off the AutoLoead entry from the path
+                    // Strip off the AutoLoad entry from the path
                     auto autoLoadKey = AZ::StringFunc::TokenizeLast(path, "/");
                     if (!autoLoadKey)
                     {
@@ -1332,7 +1351,7 @@ namespace AZ
                 {
                     auto CompareDynamicModuleDescriptor = [&dynamicLibraryPath](const DynamicModuleDescriptor& entry)
                     {
-                        return entry.m_dynamicLibraryPath.contains(dynamicLibraryPath);
+                        return AZ::IO::PathView(entry.m_dynamicLibraryPath).Stem() == AZ::IO::PathView(dynamicLibraryPath).Stem();
                     };
                     if (auto moduleIter = AZStd::find_if(gemModules.begin(), gemModules.end(), CompareDynamicModuleDescriptor);
                         moduleIter == gemModules.end())

Code/Framework/AzCore/AzCore/Component/TransformBus.h

@@ -172,78 +172,10 @@ namespace AZ
 
         //! Rotation modifiers
         //! @{
-        //! @deprecated Use SetLocalRotation()
-        //! Sets the entity's rotation in the world.
-        //! The origin of the axes is the entity's position in world space.
-        //! @param eulerAnglesRadians A three-dimensional vector, containing Euler angles in radians, to rotate the entity by.
-        virtual void SetRotation([[maybe_unused]] const AZ::Vector3& eulerAnglesRadians) {}
-
-        //! @deprecated Use SetLocalRotation()
-        //! Sets the entity's rotation around the world's X axis.
-        //! The origin of the axis is the entity's position in world space.
-        //! @param eulerAngleRadians The X coordinate Euler angle in radians to use for the entity's rotation.
-        virtual void SetRotationX([[maybe_unused]] float eulerAngleRadian) {}
-
-        //! @deprecated Use SetLocalRotation()
-        //! Sets the entity's rotation around the world's Y axis.
-        //! The origin of the axis is the entity's position in world space.
-        //! @param eulerAngleRadians The Y coordinate Euler angle in radians to use for the entity's rotation.
-        virtual void SetRotationY([[maybe_unused]] float eulerAngleRadian) {}
-
-        //! @deprecated Use SetLocalRotation()
-        //! Sets the entity's rotation around the world's Z axis.
-        //! The origin of the axis is the entity's position in world space.
-        //! @param eulerAngleRadians The Z coordinate Euler angle in radians to use for the entity's rotation.
-        virtual void SetRotationZ([[maybe_unused]] float eulerAngleRadian) {}
-
-        //! @deprecated Use SetLocalRotationQuaternion()
         //! Sets the entity's rotation in the world in quaternion notation.
         //! The origin of the axes is the entity's position in world space.
         //! @param quaternion A quaternion that represents the rotation to use for the entity.
-        virtual void SetRotationQuaternion([[maybe_unused]] const AZ::Quaternion& quaternion) {}
-
-        //! @deprecated Use RotateAroundLocalX()
-        //! Rotates the entity around the world's X axis.
-        //! The origin of the axis is the entity's position in world space.
-        //! @param eulerAngleRadians The Euler angle in radians by which to rotate the entity around the X axis.
-        virtual void RotateByX([[maybe_unused]] float eulerAngleRadian) {}
-
-        //! @deprecated Use RotateAroundLocalY()
-        //! Rotates the entity around the world's Y axis.
-        //! The origin of the axis is the entity's position in world space.
-        //! @param eulerAngleRadians The Euler angle in radians by which to rotate the entity around the Y axis.
-        virtual void RotateByY([[maybe_unused]] float eulerAngleRadian) {}
-
-        //! @deprecated Use RotateAroundLocalZ()
-        //! Rotates the entity around the world's Z axis.
-        //! The origin of the axis is the entity's position in world space.
-        //! @param eulerAngleRadians The Euler angle in radians by which to rotate the entity around the Z axis.
-        virtual void RotateByZ([[maybe_unused]] float eulerAngleRadian) {}
-
-        //! @deprecated Use GetLocalRotation()
-        //! Gets the entity's rotation in the world in Euler angles rotation in radians.
-        //! @return A three-dimensional vector, containing Euler angles in radians, that represents the entity's rotation.
-        virtual AZ::Vector3 GetRotationEulerRadians() { return AZ::Vector3(FLT_MAX); }
-
-        //! @deprecated Use GetLocalRotationQuaternion()
-        //! Gets the entity's rotation in the world in quaternion format.
-        //! @return A quaternion that represents the entity's rotation in world space.
-        virtual AZ::Quaternion GetRotationQuaternion() { return AZ::Quaternion::CreateZero(); }
-
-        //! @deprecated Use GetLocalRotation()
-        //! Gets the entity's rotation around the world's X axis.
-        //! @return The Euler angle in radians by which the the entity is rotated around the X axis in world space.
-        virtual float GetRotationX() { return FLT_MAX; }
-
-        //! @deprecated Use GetLocalRotation()
-        //! Gets the entity's rotation around the world's Y axis.
-        //! @return The Euler angle in radians by which the the entity is rotated around the Y axis in world space.
-        virtual float GetRotationY() { return FLT_MAX; }
-
-        //! @deprecated Use GetLocalRotation()
-        //! Gets the entity's rotation around the world's Z axis.
-        //! @return The Euler angle in radians by which the the entity is rotated around the Z axis in world space.
-        virtual float GetRotationZ() { return FLT_MAX; }
+        virtual void SetWorldRotationQuaternion([[maybe_unused]] const AZ::Quaternion& quaternion) {}
 
         //! Get angles in radian for each principle axis around which the world transform is
         //! rotated in the order of z-axis and y-axis and then x-axis.
@@ -287,71 +219,21 @@ namespace AZ
 
         //! Scale modifiers
         //! @{
-        //! @deprecated Use SetLocalScale()
-        //! Scales the entity along the world's axes. The origin of the axes is the entity's position in the world.
-        //! @param scale A three-dimensional vector that represents the multipliers with which to scale the entity in world space.
-        virtual void SetScale([[maybe_unused]] const AZ::Vector3& scale) {}
-
-        //! @deprecated Use SetLocalScaleX()
-        //! Scales the entity along the world's X axis. The origin of the axis is the entity's position in the world.
-        //! @param scaleX The multiplier by which to scale the entity along the X axis in world space.
-        virtual void SetScaleX([[maybe_unused]] float scaleX) {}
-
-        //! @deprecated Use SetLocalScaleY()
-        //! Scales the entity along the world's Y axis. The origin of the axis is the entity's position in the world.
-        //! @param scaleY The multiplier by which to scale the entity along the Y axis in world space.
-        virtual void SetScaleY([[maybe_unused]] float scaleY) {}
-
-        //! @deprecated Use SetLocalScaleZ()
-        //! Scales the entity along the world's Z axis. The origin of the axis is the entity's position in the world.
-        //! @param scaleZ The multiplier by which to scale the entity along the Z axis in world space.
-        virtual void SetScaleZ([[maybe_unused]] float scaleZ) {}
-
-        //! @deprecated Use GetLocalScale()
-        //! Gets the scale of the entity in world space.
-        //! @return A three-dimensional vector that represents the scale of the entity in world space.
-        virtual AZ::Vector3 GetScale() { return AZ::Vector3(FLT_MAX); }
-
-        //! @deprecated Use GetLocalScale()
-        //! Gets the amount by which an entity is scaled along the world's X axis.
-        //! @return The amount by which an entity is scaled along the X axis in world space.
-        virtual float GetScaleX() { return FLT_MAX; }
-
-        //! @deprecated Use GetLocalScale()
-        //! Gets the amount by which an entity is scaled along the world's Y axis.
-        //! @return The amount by which an entity is scaled along the Y axis in world space.
-        virtual float GetScaleY() { return FLT_MAX; }
-
-        //! @deprecated Use GetLocalScale()
-        //! Gets the amount by which an entity is scaled along the world's Z axis.
-        //! @return The amount by which an entity is scaled along the Z axis in world space.
-        virtual float GetScaleZ() { return FLT_MAX; }
-
-        //! Set local scale of the transform.
-        //! @param scale The new scale to set along three local axes.
-        virtual void SetLocalScale([[maybe_unused]] const AZ::Vector3& scale) {}
-
-        //! Set local scale of the transform on x-axis.
-        //! @param scaleX The new x-axis scale to set.
-        virtual void SetLocalScaleX([[maybe_unused]] float scaleX) {}
-
-        //! Set local scale of the transform on y-axis.
-        //! @param scaleY The new y-axis scale to set.
-        virtual void SetLocalScaleY([[maybe_unused]] float scaleY) {}
-
-        //! Set local scale of the transform on z-axis.
-        //! @param scaleZ The new z-axis scale to set.
-        virtual void SetLocalScaleZ([[maybe_unused]] float scaleZ) {}
-
-        //! Get the scale value on each axis in local space
-        //! @return The scale value of type Vector3 along each axis in local space.
+        //! @deprecated GetLocalScale is deprecated, and is left only to allow migration of legacy vector scale.
+        //! Get the legacy vector scale value in local space.
+        //! @return The scale value in local space.
         virtual AZ::Vector3 GetLocalScale() { return AZ::Vector3(FLT_MAX); }
 
-        //! Get the scale value on each axis in world space.
-        //! Note the transform will be skewed when it is rotated and has a parent transform scaled, in which
-        //! case the returned world-scale from this function will be inaccurate.
-        //! @return The scale value of type Vector3 along each axis in world space.
-        virtual AZ::Vector3 GetWorldScale() { return AZ::Vector3(FLT_MAX); }
+        //! Set the uniform scale value in local space.
+        virtual void SetLocalUniformScale([[maybe_unused]] float scale) {}
+
+        //! Get the uniform scale value in local space.
+        //! @return The uniform scale value in local space.
+        virtual float GetLocalUniformScale() { return FLT_MAX; }
+
+        //! Get the uniform scale value in world space.
+        //! @return The uniform scale value in world space.
+        virtual float GetWorldUniformScale() { return FLT_MAX; }
         //! @}
 
         //! Transform hierarchy

Code/Framework/AzCore/AzCore/IO/Path/Path.h

@@ -95,6 +95,12 @@ namespace AZ::IO
         constexpr int Compare(AZStd::string_view pathString) const noexcept;
         constexpr int Compare(const value_type* pathString) const noexcept;
 
+        // Extension for fixed strings
+        //! extension: fixed string types with MaxPathLength capacity
+        //! Returns a new instance of an AZStd::fixed_string with capacity of MaxPathLength
+        //! made from the internal string
+        constexpr AZStd::fixed_string<MaxPathLength> FixedMaxPathString() const noexcept;
+
         // decomposition
         //! Given a windows path of "C:\O3DE\foo\bar\name.txt" and a posix path of
         //! "/O3DE/foo/bar/name.txt"

Code/Framework/AzCore/AzCore/IO/Path/Path.inl

@@ -915,6 +915,11 @@ namespace AZ::IO
         return compare_string_view(path);
     }
 
+    constexpr AZStd::fixed_string<MaxPathLength> PathView::FixedMaxPathString() const noexcept
+    {
+        return AZStd::fixed_string<MaxPathLength>(m_path.begin(), m_path.end());
+    }
+
     // decomposition
     constexpr auto PathView::RootName() const -> PathView
     {

Code/Framework/AzCore/AzCore/Math/Aabb.cpp

@@ -227,7 +227,7 @@ namespace AZ
             // the min and max of each part and sum them to get the min and max co-ordinate of the transformed box. For a given new axis,
             // the coefficients for what proportion of each original axis is rotated onto that new axis are the same as the components we
             // would get by performing the inverse rotation on the new axis, so we need to take the conjugate to get the inverse rotation.
-            axisCoeffs = transform.GetScale() * (transform.GetRotation().GetConjugate().TransformVector(axis));
+            axisCoeffs = transform.GetUniformScale() * (transform.GetRotation().GetConjugate().TransformVector(axis));
             a = axisCoeffs * m_min;
             b = axisCoeffs * m_max;
 

Code/Framework/AzCore/AzCore/Math/Obb.cpp

@@ -154,7 +154,7 @@ namespace AZ
         return Obb::CreateFromPositionRotationAndHalfLengths(
             transform.TransformPoint(obb.GetPosition()),
             transform.GetRotation() * obb.GetRotation(),
-            transform.GetScale() * obb.GetHalfLengths()
+            transform.GetUniformScale() * obb.GetHalfLengths()
         );
     }
 }

Code/Framework/AzCore/AzCore/Math/Quaternion.cpp

@@ -348,13 +348,20 @@ namespace AZ
         return result.GetW() >= 0.0f ? result : -result;
     }
 
-    const Quaternion Quaternion::CreateFromEulerAnglesDegrees(Vector3& anglesInDegrees)
+    const Quaternion Quaternion::CreateFromEulerAnglesDegrees(const Vector3& anglesInDegrees)
     {
         Quaternion result;
         result.SetFromEulerDegrees(anglesInDegrees);
         return result;
     }
 
+    const Quaternion Quaternion::CreateFromEulerAnglesRadians(const Vector3& anglesInRadians)
+    {
+        Quaternion result;
+        result.SetFromEulerRadians(anglesInRadians);
+        return result;
+    }
+
     Quaternion Quaternion::Slerp(const Quaternion& dest, float t) const
     {
         const float DestDot = Dot(dest);

Code/Framework/AzCore/AzCore/Math/Quaternion.h

@@ -83,8 +83,11 @@ namespace AZ
 
         static Quaternion CreateShortestArc(const Vector3& v1, const Vector3& v2);
 
-        /// Creates a quaternion using rotation in degrees about the axes. First rotated about the X axis, followed by the Y axis, then the Z axis.
-        static const Quaternion CreateFromEulerAnglesDegrees(Vector3& anglesInDegrees);
+        //! Creates a quaternion using rotation in degrees about the axes. First rotated about the X axis, followed by the Y axis, then the Z axis.
+        static const Quaternion CreateFromEulerAnglesDegrees(const Vector3& anglesInDegrees);
+
+        //! Creates a quaternion using rotation in radians about the axes. First rotated about the X axis, followed by the Y axis, then the Z axis.
+        static const Quaternion CreateFromEulerAnglesRadians(const Vector3& anglesInRadians);
 
         //! Stores the vector to an array of 4 floats. The floats need only be 4 byte aligned, 16 byte alignment is not required.
         void StoreToFloat4(float* values) const;

Code/Framework/AzCore/AzCore/Math/Random.h

@@ -86,4 +86,101 @@ namespace AZ
         Normal,
         UniformReal
     };
+
+    //! Halton sequences are deterministic, quasi-random sequences with low discrepancy. They
+    //! are useful for generating evenly distributed points.
+    //! See https://en.wikipedia.org/wiki/Halton_sequence for more information.
+
+    //! Returns a single halton number.
+    //! @param index The index of the number. Indices start at 1. Using index 0 will return 0.
+    //! @param base The numerical base of the halton number.
+    inline float GetHaltonNumber(uint32_t index, uint32_t base)
+    {
+        float fraction = 1.0f;
+        float result = 0.0f;
+
+        while (index > 0)
+        {
+            fraction = fraction / base;
+            result += fraction * (index % base);
+            index = aznumeric_cast<uint32_t>(index / base);
+        }
+
+        return result;
+    }
+
+    //! A helper class for generating arrays of Halton sequences in n dimensions.
+    //! The class holds the state of which bases to use, the starting offset
+    //! of each dimension and how much to increment between each index for each
+    //! dimension.
+    template <uint8_t Dimensions>
+    class HaltonSequence
+    {
+    public:
+
+        //! Initializes a Halton sequence with some bases. By default there is no
+        //! offset and the index increments by 1 between each number.
+        HaltonSequence(AZStd::array<uint32_t, Dimensions> bases)
+            : m_bases(bases)
+        {
+            m_offsets.fill(1); // Halton sequences start at index 1.
+            m_increments.fill(1); // By default increment by 1 between each number.
+        }
+        
+        //! Fills a provided container from begin to end with a Halton sequence.
+        //! Entries are expected to be, or implicitly converted to, AZStd::array<float, Dimensions>.
+        template<typename Iterator>
+        void FillHaltonSequence(Iterator begin, Iterator end)
+        {
+            AZStd::array<uint32_t, Dimensions> indices = m_offsets;
+
+            // Generator that returns the Halton number for all bases for a single entry.
+            auto f = [&]()
+            {
+                AZStd::array<float, Dimensions> item;
+                for (auto d = 0; d < Dimensions; ++d)
+                {
+                    item[d] = GetHaltonNumber(indices[d], m_bases[d]);
+                    indices[d] += m_increments[d];
+                }
+                return item;
+            };
+
+            AZStd::generate(begin, end, f);
+        }
+        
+        //! Returns a Halton sequence in an array of N length.
+        template<uint32_t N>
+        AZStd::array<AZStd::array<float, Dimensions>, N> GetHaltonSequence()
+        {
+            AZStd::array<AZStd::array<float, Dimensions>, N> result;
+            FillHaltonSequence(result.begin(), result.end());
+            return result;
+        }
+
+        //! Sets the offsets per dimension to start generating a sequence from.
+        //! By default, there is no offset (offset of 0 corresponds to starting at index 1).
+        void SetOffsets(AZStd::array<uint32_t, Dimensions> offsets)
+        {
+            m_offsets = offsets;
+
+            // Halton sequences start at index 1, so increment all the indices.
+            AZStd::for_each(m_offsets.begin(), m_offsets.end(), [](uint32_t &n){ n++; });
+        }
+
+        //! Sets the increment between numbers in the halton sequence per dimension
+        //! By default this is 1, meaning that no numbers are skipped. Can be negative
+        //! to generate numbers in reverse order.
+        void SetIncrements(AZStd::array<int32_t, Dimensions> increments)
+        {
+            m_increments = increments;
+        }
+
+    private:
+
+        AZStd::array<uint32_t, Dimensions> m_bases;
+        AZStd::array<uint32_t, Dimensions> m_offsets;
+        AZStd::array<int32_t, Dimensions> m_increments;
+
+    };
 }

Code/Framework/AzCore/AzCore/Math/Spline.h

@@ -441,10 +441,10 @@ namespace AZ
         const Transform& worldFromLocal, const Vector3& src, const Vector3& dir, const Spline& spline)
     {
         Transform worldFromLocalNormalized = worldFromLocal;
-        const Vector3 scale = worldFromLocalNormalized.ExtractScale();
+        const float scale = worldFromLocalNormalized.ExtractUniformScale();
         const Transform localFromWorldNormalized = worldFromLocalNormalized.GetInverse();
 
-        const Vector3 localRayOrigin = localFromWorldNormalized.TransformPoint(src) * scale.GetReciprocal();
+        const Vector3 localRayOrigin = localFromWorldNormalized.TransformPoint(src) / scale;
         const Vector3 localRayDirection = localFromWorldNormalized.TransformVector(dir);
         return spline.GetNearestAddressRay(localRayOrigin, localRayDirection);
     }

Code/Framework/AzCore/AzCore/Math/Transform.cpp

@@ -130,8 +130,8 @@ namespace AZ
         const Transform* transform = reinterpret_cast<const Transform*>(classPtr);
         float data[NumFloats];
         transform->GetRotation().StoreToFloat4(data);
-        transform->GetScale().StoreToFloat3(&data[4]);
-        transform->GetTranslation().StoreToFloat3(&data[7]);
+        data[4] = transform->GetUniformScale();
+        transform->GetTranslation().StoreToFloat3(&data[5]);
 
         for (int i = 0; i < NumFloats; i++)
         {
@@ -159,8 +159,8 @@ namespace AZ
 
     size_t TransformSerializer::TextToData(const char* text, unsigned int textVersion, IO::GenericStream& stream, bool isDataBigEndian)
     {
-        const size_t dataBufferSize = AZStd::max(NumFloatsVersion0, NumFloats);
-        const size_t numElements = textVersion < 1 ? NumFloatsVersion0 : NumFloats;
+        const size_t dataBufferSize = AZStd::max(AZStd::max(NumFloatsVersion1, NumFloatsVersion0), NumFloats);
+        const size_t numElements = textVersion < 1 ? NumFloatsVersion0 : (textVersion == 1 ? NumFloatsVersion1 : NumFloats);
 
         size_t nextNumberIndex = 0;
         AZStd::array<float, dataBufferSize> data;
@@ -201,7 +201,34 @@ namespace AZ
             return true;
         }
 
-        // otherwise load as a separate rotation, scale and translation
+        // version 1 had a quaternion rotation, vector3 scale and vector3 translation
+        else if (version == 1)
+        {
+            float data[NumFloatsVersion1];
+            if (stream.GetLength() < sizeof(data))
+            {
+                return false;
+            }
+
+            stream.Read(sizeof(data), reinterpret_cast<void*>(data));
+
+            for (unsigned int i = 0; i < AZ_ARRAY_SIZE(data); ++i)
+            {
+                AZ_SERIALIZE_SWAP_ENDIAN(data[i], isDataBigEndian);
+            }
+
+            Quaternion rotation = Quaternion::CreateFromFloat4(data);
+            Vector3 vectorScale = Vector3::CreateFromFloat3(&data[4]);
+            Vector3 translation = Vector3::CreateFromFloat3(&data[7]);
+
+            float uniformScale = vectorScale.GetMaxElement();
+
+            *reinterpret_cast<Transform*>(classPtr) =
+                Transform::CreateFromQuaternionAndTranslation(rotation, translation) * Transform::CreateUniformScale(uniformScale);
+            return true;
+        }
+
+        // otherwise load as a quaternion rotation, float scale and vector3 translation
         float data[NumFloats];
         if (stream.GetLength() < sizeof(data))
         {
@@ -216,11 +243,11 @@ namespace AZ
         }
 
         Quaternion rotation = Quaternion::CreateFromFloat4(data);
-        Vector3 scale = Vector3::CreateFromFloat3(&data[4]);
-        Vector3 translation = Vector3::CreateFromFloat3(&data[7]);
+        float scale = data[4];
+        Vector3 translation = Vector3::CreateFromFloat3(&data[5]);
 
         *reinterpret_cast<Transform*>(classPtr) =
-            Transform::CreateFromQuaternionAndTranslation(rotation, translation) * Transform::CreateScale(scale);
+            Transform::CreateFromQuaternionAndTranslation(rotation, translation) * Transform::CreateUniformScale(scale);
         return true;
     }
 
@@ -237,7 +264,7 @@ namespace AZ
         if (serializeContext)
         {
             serializeContext->Class<Transform>()
-                ->Version(1)
+                ->Version(2)
                 ->Serializer<TransformSerializer>();
         }
 
@@ -250,7 +277,7 @@ namespace AZ
                 Attribute(Script::Attributes::ExcludeFrom, Script::Attributes::ExcludeFlags::All)->
                 Attribute(Script::Attributes::Storage, Script::Attributes::StorageType::Value)->
                 Attribute(Script::Attributes::GenericConstructorOverride, &Internal::TransformDefaultConstructor)->
-                Constructor<const Vector3&, const Quaternion&, const Vector3&>()->
+                Constructor<const Vector3&, const Quaternion&, float>()->
                 Method("GetBasis", &Transform::GetBasis)->
                 Method("GetBasisX", &Transform::GetBasisX)->
                 Method("GetBasisY", &Transform::GetBasisY)->
@@ -283,11 +310,11 @@ namespace AZ
                     Attribute(Script::Attributes::ExcludeFrom, Script::Attributes::ExcludeFlags::All)->
                 Method("GetRotation", &Transform::GetRotation)->
                 Method<void (Transform::*)(const Quaternion&)>("SetRotation", &Transform::SetRotation)->
-                Method("GetScale", &Transform::GetScale)->
-                Method<void (Transform::*)(const Vector3&)>("SetScale", &Transform::SetScale)->
-                Method("ExtractScale", &Transform::ExtractScale)->
+                Method("GetUniformScale", &Transform::GetUniformScale)->
+                Method("SetUniformScale", &Transform::SetUniformScale)->
+                Method("ExtractUniformScale", &Transform::ExtractUniformScale)->
                     Attribute(Script::Attributes::ExcludeFrom, Script::Attributes::ExcludeFlags::All)->
-                Method("MultiplyByScale", &Transform::MultiplyByScale)->
+                Method("MultiplyByUniformScale", &Transform::MultiplyByUniformScale)->
                 Method("GetInverse", &Transform::GetInverse)->
                 Method("Invert", &Transform::Invert)->
                     Attribute(Script::Attributes::ExcludeFrom, Script::Attributes::ExcludeFlags::All)->
@@ -305,7 +332,7 @@ namespace AZ
                 Method("CreateFromQuaternionAndTranslation", &Transform::CreateFromQuaternionAndTranslation)->
                 Method("CreateFromMatrix3x3", &Transform::CreateFromMatrix3x3)->
                 Method("CreateFromMatrix3x3AndTranslation", &Transform::CreateFromMatrix3x3AndTranslation)->
-                Method("CreateScale", &Transform::CreateScale)->
+                Method("CreateUniformScale", &Transform::CreateUniformScale)->
                 Method("CreateTranslation", &Transform::CreateTranslation)->
                 Method("ConstructFromValuesNumeric", &Internal::ConstructTransformFromValues);
         }
@@ -315,7 +342,7 @@ namespace AZ
     {
         Transform result;
         Matrix3x3 tmp = value;
-        result.m_scale = tmp.ExtractScale();
+        result.m_scale = tmp.ExtractScale().GetMaxElement();
         result.m_rotation = Quaternion::CreateFromMatrix3x3(tmp);
         result.m_translation = Vector3::CreateZero();
         return result;
@@ -325,7 +352,7 @@ namespace AZ
     {
         Transform result;
         Matrix3x3 tmp = value;
-        result.m_scale = tmp.ExtractScale();
+        result.m_scale = tmp.ExtractScale().GetMaxElement();
         result.m_rotation = Quaternion::CreateFromMatrix3x3(tmp);
         result.m_translation = p;
         return result;
@@ -335,7 +362,7 @@ namespace AZ
     {
         Transform result;
         Matrix3x4 tmp = value;
-        result.m_scale = tmp.ExtractScale();
+        result.m_scale = tmp.ExtractScale().GetMaxElement();
         result.m_rotation = Quaternion::CreateFromMatrix3x4(tmp);
         result.m_translation = value.GetTranslation();
         return result;

Code/Framework/AzCore/AzCore/Math/Transform.h

@@ -25,10 +25,13 @@ namespace AZ
         : public SerializeContext::IDataSerializer
     {
     public:
-        // number of floats in the serialized representation, 4 for rotation, 3 for scale and 3 for translation
-        static constexpr int NumFloats = 10;
+        // number of floats in the serialized representation, 4 for rotation, 1 for scale and 3 for translation
+        static constexpr int NumFloats = 8;
 
-        // number of floats in the old format, which stored a 3x4 matrix
+        // number of floats in version 1, which used 4 for rotation, 3 for scale and 3 for translation
+        static constexpr int NumFloatsVersion1 = 10;
+
+        // number of floats in version 0, which stored a 3x4 matrix
         static constexpr int NumFloatsVersion0 = 12;
 
         size_t Save(const void* classPtr, IO::GenericStream& stream, bool isDataBigEndian) override;
@@ -45,7 +48,7 @@ namespace AZ
     static constexpr float MaxTransformScale = 1e9f;
     //! @}
 
-    //! The basic transformation class, represented using a quaternion rotation, vector scale and vector translation.
+    //! The basic transformation class, represented using a quaternion rotation, float scale and vector translation.
     //! By design, cannot represent skew transformations.
     class Transform
     {
@@ -63,7 +66,7 @@ namespace AZ
         Transform() = default;
 
         //! Construct a transform from components.
-        Transform(const Vector3& translation, const Quaternion& rotation, const Vector3& scale);
+        Transform(const Vector3& translation, const Quaternion& rotation, float scale);
 
         //! Creates an identity transform.
         static Transform CreateIdentity();
@@ -82,15 +85,22 @@ namespace AZ
         static Transform CreateFromQuaternionAndTranslation(const class Quaternion& q, const Vector3& p);
 
         //! Constructs from a Matrix3x3, translation is set to zero.
+        //! Note that Transform only allows uniform scale, so if the matrix has different scale values along its axes,
+        //! the largest matrix scale value will be used to uniformly scale the Transform.
         static Transform CreateFromMatrix3x3(const class Matrix3x3& value);
 
-        //! Constructs from a Matrix3x3, translation is set to zero.
+        //! Constructs from a Matrix3x3 and translation Vector3.
+        //! Note that Transform only allows uniform scale, so if the matrix has different scale values along its axes,
+        //! the largest matrix scale value will be used to uniformly scale the Transform.
         static Transform CreateFromMatrix3x3AndTranslation(const class Matrix3x3& value, const Vector3& p);
 
+        //! Constructs from a Matrix3x4.
+        //! Note that Transform only allows uniform scale, so if the matrix has different scale values along its axes,
+        //! the largest matrix scale value will be used to uniformly scale the Transform.
         static Transform CreateFromMatrix3x4(const Matrix3x4& value);
 
-        //! Sets the matrix to be a scale matrix, translation is set to zero.
-        static Transform CreateScale(const Vector3& scale);
+        //! Sets the transform to apply (uniform) scale only, no rotation or translation.
+        static Transform CreateUniformScale(const float scale);
 
         //! Sets the matrix to be a translation matrix, rotation part is set to identity.
         static Transform CreateTranslation(const Vector3& translation);
@@ -119,13 +129,13 @@ namespace AZ
         const Quaternion& GetRotation() const;
         void SetRotation(const Quaternion& rotation);
 
-        const Vector3& GetScale() const;
-        void SetScale(const Vector3& v);
+        float GetUniformScale() const;
+        void SetUniformScale(const float scale);
 
-        //! Sets the transforms scale to a unit value and returns the previous scale value.
-        Vector3 ExtractScale();
+        //! Sets the transform's scale to a unit value and returns the previous scale value.
+        float ExtractUniformScale();
 
-        void MultiplyByScale(const Vector3& scale);
+        void MultiplyByUniformScale(float scale);
 
         Transform operator*(const Transform& rhs) const;
         Transform& operator*=(const Transform& rhs);
@@ -159,7 +169,7 @@ namespace AZ
     private:
 
         Quaternion m_rotation;
-        Vector3 m_scale;
+        float m_scale;
         Vector3 m_translation;
     };
 

Code/Framework/AzCore/AzCore/Math/Transform.inl

@@ -12,7 +12,7 @@
 
 namespace AZ
 {
-    AZ_MATH_INLINE Transform::Transform(const Vector3& translation, const Quaternion& rotation, const Vector3& scale)
+    AZ_MATH_INLINE Transform::Transform(const Vector3& translation, const Quaternion& rotation, float scale)
         : m_translation(translation)
         , m_rotation(rotation)
         , m_scale(scale)
@@ -25,7 +25,7 @@ namespace AZ
     {
         Transform result;
         result.m_rotation = Quaternion::CreateIdentity();
-        result.m_scale = Vector3::CreateOne();
+        result.m_scale = 1.0f;
         result.m_translation = Vector3::CreateZero();
         return result;
     }
@@ -49,7 +49,7 @@ namespace AZ
     {
         Transform result;
         result.m_rotation = q;
-        result.m_scale = Vector3::CreateOne();
+        result.m_scale = 1.0f;
         result.m_translation = Vector3::CreateZero();
         return result;
     }
@@ -58,12 +58,12 @@ namespace AZ
     {
         Transform result;
         result.m_rotation = q;
-        result.m_scale = Vector3::CreateOne();
+        result.m_scale = 1.0f;
         result.m_translation = p;
         return result;
     }
 
-    AZ_MATH_INLINE Transform Transform::CreateScale(const Vector3& scale)
+    AZ_MATH_INLINE Transform Transform::CreateUniformScale(float scale)
     {
         Transform result;
         result.m_rotation = Quaternion::CreateIdentity();
@@ -76,7 +76,7 @@ namespace AZ
     {
         Transform result;
         result.m_rotation = Quaternion::CreateIdentity();
-        result.m_scale = Vector3::CreateOne();
+        result.m_scale = 1.0f;
         result.m_translation = translation;
         return result;
     }
@@ -104,17 +104,17 @@ namespace AZ
 
     AZ_MATH_INLINE Vector3 Transform::GetBasisX() const
     {
-        return m_rotation.TransformVector(Vector3::CreateAxisX(m_scale.GetX()));
+        return m_rotation.TransformVector(Vector3::CreateAxisX(m_scale));
     }
 
     AZ_MATH_INLINE Vector3 Transform::GetBasisY() const
     {
-        return m_rotation.TransformVector(Vector3::CreateAxisY(m_scale.GetY()));
+        return m_rotation.TransformVector(Vector3::CreateAxisY(m_scale));
     }
 
     AZ_MATH_INLINE Vector3 Transform::GetBasisZ() const
     {
-        return m_rotation.TransformVector(Vector3::CreateAxisZ(m_scale.GetZ()));
+        return m_rotation.TransformVector(Vector3::CreateAxisZ(m_scale));
     }
 
     AZ_MATH_INLINE void Transform::GetBasisAndTranslation(Vector3* basisX, Vector3* basisY, Vector3* basisZ, Vector3* pos) const
@@ -150,24 +150,24 @@ namespace AZ
         m_rotation = rotation;
     }
 
-    AZ_MATH_INLINE const Vector3& Transform::GetScale() const
+    AZ_MATH_INLINE float Transform::GetUniformScale() const
     {
         return m_scale;
     }
 
-    AZ_MATH_INLINE void Transform::SetScale(const Vector3& scale)
+    AZ_MATH_INLINE void Transform::SetUniformScale(const float scale)
     {
         m_scale = scale;
     }
 
-    AZ_MATH_INLINE Vector3 Transform::ExtractScale()
+    AZ_MATH_INLINE float Transform::ExtractUniformScale()
     {
-        const Vector3 scale = m_scale;
-        m_scale = Vector3::CreateOne();
+        const float scale = m_scale;
+        m_scale = 1.0f;
         return scale;
     }
 
-    AZ_MATH_INLINE void Transform::MultiplyByScale(const Vector3& scale)
+    AZ_MATH_INLINE void Transform::MultiplyByUniformScale(float scale)
     {
         m_scale *= scale;
     }
@@ -204,10 +204,9 @@ namespace AZ
 
     AZ_MATH_INLINE Transform Transform::GetInverse() const
     {
-        // note - need to be careful about how to calculate inverse when there is non-uniform scale
         Transform out;
         out.m_rotation = m_rotation.GetConjugate();
-        out.m_scale = m_scale.GetReciprocal();
+        out.m_scale = 1.0f / m_scale;
         out.m_translation = -out.m_scale * (out.m_rotation.TransformVector(m_translation));
         return out;
     }
@@ -219,27 +218,27 @@ namespace AZ
 
     AZ_MATH_INLINE bool Transform::IsOrthogonal(float tolerance) const
     {
-        return m_scale.IsClose(Vector3::CreateOne(), tolerance);
+        return AZ::IsClose(m_scale, 1.0f, tolerance);
     }
 
     AZ_MATH_INLINE Transform Transform::GetOrthogonalized() const
     {
         Transform result;
         result.m_rotation = m_rotation;
-        result.m_scale = Vector3::CreateOne();
+        result.m_scale = 1.0f;
         result.m_translation = m_translation;
         return result;
     }
 
     AZ_MATH_INLINE void Transform::Orthogonalize()
     {
-        *this = GetOrthogonalized();
+        m_scale = 1.0f;
     }
 
     AZ_MATH_INLINE bool Transform::IsClose(const Transform& rhs, float tolerance) const
     {
         return m_rotation.IsClose(rhs.m_rotation, tolerance)
-            && m_scale.IsClose(rhs.m_scale, tolerance)
+            && AZ::IsClose(m_scale, rhs.m_scale, tolerance)
             && m_translation.IsClose(rhs.m_translation, tolerance);
     }
 
@@ -268,21 +267,21 @@ namespace AZ
     AZ_MATH_INLINE void Transform::SetFromEulerDegrees(const Vector3& eulerDegrees)
     {
         m_translation = Vector3::CreateZero();
-        m_scale = Vector3::CreateOne();
+        m_scale = 1.0f;
         m_rotation.SetFromEulerDegrees(eulerDegrees);
     }
 
     AZ_MATH_INLINE void Transform::SetFromEulerRadians(const Vector3& eulerRadians)
     {
         m_translation = Vector3::CreateZero();
-        m_scale = Vector3::CreateOne();
+        m_scale = 1.0f;
         m_rotation.SetFromEulerRadians(eulerRadians);
     }
 
     AZ_MATH_INLINE bool Transform::IsFinite() const
     {
         return m_rotation.IsFinite()
-            && m_scale.IsFinite()
+            && AZ::IsFiniteFloat(m_scale)
             && m_translation.IsFinite();
     }
 

Code/Framework/AzCore/AzCore/Math/TransformSerializer.cpp

@@ -60,14 +60,14 @@ namespace AZ
         {
             // Scale is transitioning to a single uniform scale value, but since it's still internally represented as a Vector3,
             // we need to pick one number to use for load/store operations.
-            float scale = transformInstance->GetScale().GetMaxElement();
+            float scale = transformInstance->GetUniformScale();
 
             JSR::ResultCode loadResult =
                 ContinueLoadingFromJsonObjectField(&scale, azrtti_typeid<decltype(scale)>(), inputValue, ScaleTag, context);
 
             result.Combine(loadResult);
 
-            transformInstance->SetScale(AZ::Vector3(scale));
+            transformInstance->SetUniformScale(scale);
         }
 
         return context.Report(
@@ -124,8 +124,8 @@ namespace AZ
 
             // Scale is transitioning to a single uniform scale value, but since it's still internally represented as a Vector3,
             // we need to pick one number to use for load/store operations.
-            float scale = transformInstance->GetScale().GetMaxElement();
-            float defaultScale = defaultTransformInstance ? defaultTransformInstance->GetScale().GetMaxElement() : 0.0f;
+            float scale = transformInstance->GetUniformScale();
+            float defaultScale = defaultTransformInstance ? defaultTransformInstance->GetUniformScale() : 0.0f;
 
             JSR::ResultCode storeResult = ContinueStoringToJsonObjectField(
                 outputValue, ScaleTag, &scale, defaultTransformInstance ? &defaultScale : nullptr, azrtti_typeid<decltype(scale)>(),

Code/Framework/AzCore/AzCore/Module/ModuleManager.cpp

@@ -512,7 +512,7 @@ namespace AZ
         // Load DLLs specified in the application descriptor
         for (const auto& moduleDescriptor : modules)
         {
-           // For each module that is loaded, attempt to set the module's folder as a path for dependent module resolution
+            // For each module that is loaded, attempt to set the module's folder as a path for dependent module resolution
             moduleSearchPathHelper.SetModuleSearchPath(moduleDescriptor);
 
             LoadModuleOutcome result = LoadDynamicModule(moduleDescriptor.m_dynamicLibraryPath.c_str(), lastStepToPerform, maintainReferences);

Code/Framework/AzCore/AzCore/PlatformId/PlatformDefaults.cpp

@@ -19,7 +19,7 @@ namespace AZ
 {
     inline namespace PlatformDefaults
     {
-        static const char* PlatformNames[PlatformId::NumPlatformIds] = { PlatformPC, PlatformES3, PlatformIOS, PlatformOSX, PlatformProvo, PlatformSalem, PlatformJasper, PlatformServer, PlatformAll, PlatformAllClient };
+        static const char* PlatformNames[PlatformId::NumPlatformIds] = { PlatformPC, PlatformAndroid, PlatformIOS, PlatformMac, PlatformProvo, PlatformSalem, PlatformJasper, PlatformServer, PlatformAll, PlatformAllClient };
 
         const char* PlatformIdToPalFolder(AZ::PlatformId platform)
         {
@@ -31,11 +31,11 @@ namespace AZ
             {
             case AZ::PC:
                 return "PC";
-            case AZ::ES3:
+            case AZ::ANDROID_ID:
                 return "Android";
             case AZ::IOS:
                 return "iOS";
-            case AZ::OSX:
+            case AZ::MAC_ID:
                 return "Mac";
             case AZ::PROVO:
                 return "Provo";
@@ -66,11 +66,11 @@ namespace AZ
             }
             else if (osPlatform == PlatformCodeNameMac)
             {
-                return PlatformOSX;
+                return PlatformMac;
             }
             else if (osPlatform == PlatformCodeNameAndroid)
             {
-                return PlatformES3;
+                return PlatformAndroid;
             }
             else if (osPlatform == PlatformCodeNameiOS)
             {
@@ -207,13 +207,13 @@ namespace AZ
                 platformCodes.emplace_back(PlatformCodeNameWindows);
                 platformCodes.emplace_back(PlatformCodeNameLinux);
                 break;
-            case PlatformId::ES3:
+            case PlatformId::ANDROID_ID:
                 platformCodes.emplace_back(PlatformCodeNameAndroid);
                 break;
             case PlatformId::IOS:
                 platformCodes.emplace_back(PlatformCodeNameiOS);
                 break;
-            case PlatformId::OSX:
+            case PlatformId::MAC_ID:
                 platformCodes.emplace_back(PlatformCodeNameMac);
                 break;
             case PlatformId::PROVO:

Code/Framework/AzCore/AzCore/PlatformId/PlatformDefaults.h

@@ -27,9 +27,9 @@ namespace AZ
     inline namespace PlatformDefaults
     {
         constexpr char PlatformPC[] = "pc";
-        constexpr char PlatformES3[] = "es3";
+        constexpr char PlatformAndroid[] = "android";
         constexpr char PlatformIOS[] = "ios";
-        constexpr char PlatformOSX[] = "osx_gl";
+        constexpr char PlatformMac[] = "mac";
         constexpr char PlatformProvo[] = "provo";
         constexpr char PlatformSalem[] = "salem";
         constexpr char PlatformJasper[] = "jasper";
@@ -54,9 +54,9 @@ namespace AZ
         AZ_ENUM_WITH_UNDERLYING_TYPE(PlatformId, int,
             (Invalid, -1),
             PC,
-            ES3,
+            ANDROID_ID,
             IOS,
-            OSX,
+            MAC_ID,
             PROVO,
             SALEM,
             JASPER,
@@ -73,9 +73,9 @@ namespace AZ
         {
             Platform_NONE = 0x00,
             Platform_PC = 1 << PlatformId::PC,
-            Platform_ES3 = 1 << PlatformId::ES3,
+            Platform_ANDROID = 1 << PlatformId::ANDROID_ID,
             Platform_IOS = 1 << PlatformId::IOS,
-            Platform_OSX = 1 << PlatformId::OSX,
+            Platform_MAC = 1 << PlatformId::MAC_ID,
             Platform_PROVO = 1 << PlatformId::PROVO,
             Platform_SALEM = 1 << PlatformId::SALEM,
             Platform_JASPER = 1 << PlatformId::JASPER,
@@ -87,7 +87,7 @@ namespace AZ
             // A special platform that will always correspond to all non-server platforms, even if new ones are added
             Platform_ALL_CLIENT = 1ULL << 31,
 
-            AllNamedPlatforms = Platform_PC | Platform_ES3 | Platform_IOS | Platform_OSX | Platform_PROVO | Platform_SALEM | Platform_JASPER | Platform_SERVER,
+            AllNamedPlatforms = Platform_PC | Platform_ANDROID | Platform_IOS | Platform_MAC | Platform_PROVO | Platform_SALEM | Platform_JASPER | Platform_SERVER,
         };
 
         AZ_DEFINE_ENUM_BITWISE_OPERATORS(PlatformFlags);

Code/Framework/AzCore/AzCore/PlatformId/PlatformId.cpp

@@ -28,8 +28,8 @@ namespace AZ
             return "Android64";
         case PlatformID::PLATFORM_APPLE_IOS:
             return "iOS";
-        case PlatformID::PLATFORM_APPLE_OSX:
-            return "OSX";
+        case PlatformID::PLATFORM_APPLE_MAC:
+            return "Mac";
 #if defined(AZ_EXPAND_FOR_RESTRICTED_PLATFORM) || defined(AZ_TOOLS_EXPAND_FOR_RESTRICTED_PLATFORMS)
 #define AZ_RESTRICTED_PLATFORM_EXPANSION(CodeName, CODENAME, codename, PrivateName, PRIVATENAME, privatename, PublicName, PUBLICNAME, publicname, PublicAuxName1, PublicAuxName2, PublicAuxName3)\
         case PlatformID::PLATFORM_##PUBLICNAME:\

Code/Framework/AzCore/AzCore/PlatformId/PlatformId.h

@@ -23,7 +23,7 @@ namespace AZ
         PLATFORM_WINDOWS_64,
         PLATFORM_LINUX_64,
         PLATFORM_APPLE_IOS,
-        PLATFORM_APPLE_OSX,
+        PLATFORM_APPLE_MAC,
         PLATFORM_ANDROID_64,    // ARMv8 / 64-bit
         #if defined(AZ_EXPAND_FOR_RESTRICTED_PLATFORM) || defined(AZ_TOOLS_EXPAND_FOR_RESTRICTED_PLATFORMS)
 #define AZ_RESTRICTED_PLATFORM_EXPANSION(CodeName, CODENAME, codename, PrivateName, PRIVATENAME, privatename, PublicName, PUBLICNAME, publicname, PublicAuxName1, PublicAuxName2, PublicAuxName3)\

Code/Framework/AzCore/AzCore/RTTI/AzStdOnDemandReflection.inl

@@ -1020,29 +1020,60 @@ namespace AZ
         }
     };
 
-    /// OnDemand reflection for AZStd::set
+
+    template<class t_Key, class t_Hasher, class t_EqualKey, class t_Allocator>
+    class Iterator_VM<AZStd::unordered_set<t_Key, t_Hasher, t_EqualKey, t_Allocator>>
+    {
+    public:
+        using ContainerType = AZStd::unordered_set<t_Key, t_Hasher, t_EqualKey, t_Allocator>;
+        using IteratorType = typename ContainerType::iterator;
+        Iterator_VM(ContainerType& container)
+            : m_iterator(container.begin())
+            , m_end(container.end())
+        {}
+
+        const t_Key& GetKeyUnchecked() const
+        {
+            return *m_iterator;
+        }
+
+        bool IsNotAtEnd() const
+        {
+            return m_iterator != m_end;
+        }
+
+        t_Key& ModValueUnchecked()
+        {
+            return *m_iterator;
+        }
+
+        void Next()
+        {
+            ++m_iterator;
+        }
+
+    private:
+        IteratorType m_iterator;
+        IteratorType m_end;
+    };
+
+    /// OnDemand reflection for AZStd::unordered_set
     template<class Key, class Hasher, class EqualKey, class Allocator>
     struct OnDemandReflection< AZStd::unordered_set<Key, Hasher, EqualKey, Allocator> >
     {
         using ContainerType = AZStd::unordered_set<Key, Hasher, EqualKey, Allocator>;
         using KeyListType = AZStd::vector<Key, Allocator>;
 
-        static AZ::Outcome<void, void> Erase(ContainerType& thisMap, Key& key)
+        using ValueIteratorType = Iterator_VM<ContainerType>;
+
+        static bool EraseCheck_VM(ContainerType& thisSet, Key& key)
         {
-            const auto result = thisMap.erase(key);
-            if (result)
-            {
-                return AZ::Success();
-            }
-            else
-            {
-                return AZ::Failure();
-            }
+            return thisSet.erase(key) != 0;
         }
 
-        static void Insert(ContainerType& thisSet, Key& key)
+        static ContainerType& ErasePost_VM(ContainerType& thisSet, [[maybe_unused]] Key&)
         {
-            thisSet.insert(key);
+            return thisSet;
         }
 
         static KeyListType GetKeys(ContainerType& thisSet)
@@ -1055,6 +1086,17 @@ namespace AZ
             return keys;
         }
 
+        static ContainerType& Insert(ContainerType& thisSet, Key& key)
+        {
+            thisSet.insert(key);
+            return thisSet;
+        }
+
+        static ValueIteratorType Iterate_VM(ContainerType& thisContainer)
+        {
+            return ValueIteratorType(thisContainer);
+        }
+
         static void Swap(ContainerType& thisSet, ContainerType& otherSet)
         {
             thisSet.swap(otherSet);
@@ -1064,33 +1106,68 @@ namespace AZ
         {
             if (BehaviorContext* behaviorContext = azrtti_cast<BehaviorContext*>(context))
             {
+                BranchOnResultInfo emptyBranchInfo;
+                emptyBranchInfo.m_returnResultInBranches = true;
+                emptyBranchInfo.m_trueToolTip = "The container is empty";
+                emptyBranchInfo.m_falseToolTip = "The container is not empty";
+
                 auto ContainsTransparent = [](const ContainerType& containerType, typename ContainerType::key_type& key)->bool
                 {
                     return containerType.contains(key);
                 };
 
+                ExplicitOverloadInfo explicitOverloadInfo;
                 behaviorContext->Class<ContainerType>()
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
+                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::ListOnly)
                     ->Attribute(AZ::ScriptCanvasAttributes::PrettyName, ScriptCanvasOnDemandReflection::OnDemandPrettyName<ContainerType>::Get(*behaviorContext))
                     ->Attribute(AZ::Script::Attributes::ToolTip, ScriptCanvasOnDemandReflection::OnDemandToolTip<ContainerType>::Get(*behaviorContext))
                     ->Attribute(AZ::Script::Attributes::Category, ScriptCanvasOnDemandReflection::OnDemandCategoryName<ContainerType>::Get(*behaviorContext))
                     ->Attribute(AZ::Script::Attributes::Storage, AZ::Script::Attributes::StorageType::ScriptOwn)
                     ->Method("BucketCount", static_cast<typename ContainerType::size_type(ContainerType::*)() const>(&ContainerType::bucket_count))
-                    ->Method("Erase", &Erase)
-                    ->Method("Empty", [](ContainerType& thisSet)->bool { return thisSet.empty(); })
+                    ->Method("Empty", static_cast<bool(ContainerType::*)() const>(&ContainerType::empty), { { { "Container", "The container to check if it is empty", nullptr, {} } } })
+                        ->Attribute(AZ::ScriptCanvasAttributes::ExplicitOverloadCrc, ExplicitOverloadInfo("Is Empty", "Containers"))
+                        ->Attribute(AZ::ScriptCanvasAttributes::BranchOnResult, emptyBranchInfo)
+                    ->Method("EraseCheck_VM", &EraseCheck_VM)
+                        ->Attribute(AZ::Script::Attributes::TreatAsMemberFunction, AZ::AttributeIsValid::IfPresent)
+                        ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
+                    ->Method("Erase", &ErasePost_VM)
+                        ->Attribute(AZ::Script::Attributes::TreatAsMemberFunction, AZ::AttributeIsValid::IfPresent)
+                        ->Attribute(AZ::ScriptCanvasAttributes::ExplicitOverloadCrc, ExplicitOverloadInfo("Erase", "Containers"))
+                        ->Attribute(AZ::ScriptCanvasAttributes::CheckedOperation, CheckedOperationInfo("EraseCheck_VM", {}, "Out", "Key Not Found", true))
+                        ->Attribute(AZ::ScriptCanvasAttributes::OverloadArgumentGroup, AZ::OverloadArgumentGroupInfo({ "ContainerGroup", "" }, { "ContainerGroup" }))
                     ->Method("contains", ContainsTransparent)
+                        ->Attribute(AZ::ScriptCanvasAttributes::ExplicitOverloadCrc, ExplicitOverloadInfo("Has Key", "Containers"))
                         ->Attribute(AZ::Script::Attributes::TreatAsMemberFunction, AZ::AttributeIsValid::IfPresent)
                     ->Method("Insert", &Insert)
+                        ->Attribute(AZ::Script::Attributes::TreatAsMemberFunction, AZ::AttributeIsValid::IfPresent)
+                        ->Attribute(AZ::ScriptCanvasAttributes::ExplicitOverloadCrc, ExplicitOverloadInfo("Insert", "Containers"))
+                        ->Attribute(AZ::ScriptCanvasAttributes::OverloadArgumentGroup, AZ::OverloadArgumentGroupInfo({ "ContainerGroup", "", "" }, { "ContainerGroup" }))
                     ->Method(k_sizeName, [](ContainerType* thisPtr) { return aznumeric_cast<int>(thisPtr->size()); })
                         ->Attribute(AZ::Script::Attributes::Operator, AZ::Script::Attributes::OperatorType::Length)
                     ->Method("GetKeys", &GetKeys)
                         ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
+                    ->Method("GetSize", [](ContainerType& thisPtr) { return aznumeric_cast<int>(thisPtr.size()); })
+                        ->Attribute(AZ::ScriptCanvasAttributes::ExplicitOverloadCrc, ExplicitOverloadInfo("Get Size", "Containers"))
+                        ->Attribute(AZ::Script::Attributes::TreatAsMemberFunction, AZ::AttributeIsValid::IfPresent)
                     ->Method("Reserve", static_cast<void(ContainerType::*)(typename ContainerType::size_type)>(&ContainerType::reserve))
                     ->Method("Swap", &Swap)
+                    ->Method("Clear", [](ContainerType& thisContainer)->ContainerType& { thisContainer.clear(); return thisContainer; })
+                        ->Attribute(AZ::Script::Attributes::TreatAsMemberFunction, AZ::AttributeIsValid::IfPresent)
+                        ->Attribute(AZ::ScriptCanvasAttributes::ExplicitOverloadCrc, ExplicitOverloadInfo("Clear All Elements", "Containers"))
+                        ->Attribute(AZ::ScriptCanvasAttributes::OverloadArgumentGroup, AZ::OverloadArgumentGroupInfo({ "ContainerGroup" }, { "ContainerGroup" }))
+                    ->Method(k_iteratorConstructorName, &Iterate_VM)
+                        ;
+
+                behaviorContext->Class<ValueIteratorType>()
+                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::ListOnly)
+                    ->Attribute(AZ::Script::Attributes::Storage, AZ::Script::Attributes::StorageType::ScriptOwn)
+                    ->Method(k_iteratorGetKeyName, &ValueIteratorType::GetKeyUnchecked)
+                    ->Method(k_iteratorModValueName, &ValueIteratorType::ModValueUnchecked)
+                    ->Method(k_iteratorIsNotAtEndName, &ValueIteratorType::IsNotAtEnd)
+                    ->Method(k_iteratorNextName, &ValueIteratorType::Next)
                     ;
             }
         }
-
     };
 
     template <>

Code/Framework/AzCore/AzCore/RTTI/BehaviorContext.cpp

@@ -165,7 +165,7 @@ namespace AZ
 
         if (HasResult() != overload->HasResult())
         {
-            AZ_Error("Reflection", false, "Overload failure, all methods must have the same result, or none at all");
+            AZ_Error("Reflection", false, "Overload failure, all methods must have the same result, or none at all: %s", m_name.c_str());
             return false;
         }
 
@@ -176,7 +176,7 @@ namespace AZ
 
             if (!(methodResult->m_typeId == overloadResult->m_typeId && methodResult->m_traits == overloadResult->m_traits))
             {
-                AZ_Error("Reflection", false, "Overload failure, all methods must have the same result, or none at all");
+                AZ_Error("Reflection", false, "Overload failure, all methods must have the same result, or none at all: %s", m_name.c_str());
                 return false;
             }
         }
@@ -575,7 +575,7 @@ namespace AZ
                 }
                 else
                 {
-                    AZ_Error("BehaviorContext", false, "safety check declared for method %s but it was not found in the class");
+                    AZ_Error("BehaviorContext", false, "Method: %s, declared safety check: %s, but it was not found in class: %s", method.m_name.c_str(), m_name.c_str(), checkedOperationInfo.m_safetyCheckName.c_str());
                 }
             }
         }

Code/Framework/AzCore/AzCore/RTTI/BehaviorContextUtilities.cpp

@@ -34,10 +34,17 @@ namespace BehaviorContextUtilitiesCPP
         using argument_type = const BehaviorParameter*;
         using result_type = size_t;
         result_type operator()(const argument_type& value) const 
-        { 
-            result_type result = AZStd::hash<Uuid>()(value->m_typeId);
-            AZStd::hash_combine(result, CleanTraits(value->m_traits));
-            return result;
+        {
+            if (value)
+            { 
+                result_type result = AZStd::hash<Uuid>()(value->m_typeId);
+                AZStd::hash_combine(result, CleanTraits(value->m_traits));
+                return result;
+            }
+            else
+            {
+                return 0;
+            }
         }
     };
 
@@ -45,7 +52,11 @@ namespace BehaviorContextUtilitiesCPP
     {
         bool operator()(const BehaviorParameter* left, const BehaviorParameter* right) const
         {
-            return left->m_typeId == right->m_typeId && CleanTraits(left->m_traits) == CleanTraits(right->m_traits);
+            return (left == nullptr && right == nullptr)
+                || (left != nullptr
+                    && right != nullptr
+                    && left->m_typeId == right->m_typeId
+                    && CleanTraits(left->m_traits) == CleanTraits(right->m_traits));
         }
     };
     
@@ -137,7 +148,7 @@ namespace AZ
         for (size_t argIndex = 0, argSentinel = overload.GetNumArguments(); argIndex < argSentinel; ++argIndex)
         {
             auto overloadedArgIter = variance.m_input.find(argIndex);
-            if (overloadedArgIter != variance.m_input.end())
+            if (overloadedArgIter != variance.m_input.end() && overloadedArgIter->second[overloadIndex])
             {
                 // if this doesn't work try the type name
                 overloadName += ReplaceCppArtifacts(overloadedArgIter->second[overloadIndex]->m_name);
@@ -185,16 +196,24 @@ namespace AZ
             {
                 auto argument = overloads[overloadIndex].first->GetArgument(0);
 
-                const bool isThisPointer
-                    = (argument->m_traits & AZ::BehaviorParameter::Traits::TR_THIS_PTR) != 0
-                    || AZ::FindAttribute(AZ::Script::Attributes::TreatAsMemberFunction, overloads[overloadIndex].first->m_attributes);
+                if (argument)
+                {
+                    const bool isThisPointer
+                        = (argument->m_traits & AZ::BehaviorParameter::Traits::TR_THIS_PTR) != 0
+                        || AZ::FindAttribute(AZ::Script::Attributes::TreatAsMemberFunction, overloads[overloadIndex].first->m_attributes);
 
-                oneArgIsThisPointer = oneArgIsThisPointer || isThisPointer;
+                    oneArgIsThisPointer = oneArgIsThisPointer || isThisPointer;
+                }
 
                 types.insert(argument);
                 stripedArgs.emplace_back(argument);
             }
 
+            if (types.size() == overloads.size())
+            {
+                variance.m_unambiguousInput.insert(0);
+            }
+
             if (types.size() > 1 && (onThis == VariantOnThis::Yes || !oneArgIsThisPointer))
             {
                 variance.m_input.insert(AZStd::make_pair(0, stripedArgs));
@@ -210,11 +229,15 @@ namespace AZ
             for (size_t overloadIndex = 0, overloadSentinel = overloads.size(); overloadIndex < overloadSentinel; ++overloadIndex)
             {
                 auto argument = overloads[overloadIndex].first->GetArgument(argIndex);
-
                 types.insert(argument);
                 stripedArgs.emplace_back(argument);
             }
 
+            if (types.size() == overloads.size())
+            {
+                variance.m_unambiguousInput.insert(0);
+            }
+
             if (types.size() > 1)
             {
                 variance.m_input.insert(AZStd::make_pair(argIndex, stripedArgs));

Code/Framework/AzCore/AzCore/RTTI/BehaviorContextUtilities.h

@@ -27,6 +27,8 @@ namespace AZ
     struct OverloadVariance
     {
         AZStd::unordered_map<size_t, AZStd::vector<const BehaviorParameter*>> m_input;
+        // the indices of inputs that make selection of overload unambiguous
+        AZStd::unordered_set<size_t> m_unambiguousInput;
         AZStd::vector<const BehaviorParameter*> m_output;
     };
 

Code/Framework/AzCore/AzCore/Script/ScriptContext.cpp

@@ -2048,10 +2048,6 @@ LUA_API const Node* lua_getDummyNode()
 
             return true;
         }
-        else
-        {
-            AZ_Warning("Script", false, "Index %d is not a function!", functionIndex);
-        }
 
         return false;
     }
@@ -2078,7 +2074,6 @@ LUA_API const Node* lua_getDummyNode()
         }
         else
         {
-            AZ_Warning("Script", lua_isnil(m_nativeContext, -1), "Name %s exists but is not a function!", functionName);
             lua_pop(m_nativeContext, 1);
         }
 
@@ -5888,7 +5883,6 @@ LUA_API const Node* lua_getDummyNode()
         else
         {
             lua_pop(m_impl->m_lua, 1);
-            AZ_Warning("Script", false, "%s is not a function!", functionName);
         }
         return false;
     }
@@ -5906,7 +5900,6 @@ LUA_API const Node* lua_getDummyNode()
         else
         {
             lua_pop(m_impl->m_lua, 1);
-            AZ_Warning("Script", false, "CacheIndex %d is not a function!", cachedIndex);
         }
         return false;
     }

Code/Framework/AzCore/AzCore/Script/ScriptSystemComponent.cpp

@@ -937,7 +937,7 @@ void ScriptSystemComponent::Reflect(ReflectContext* reflection)
             ->Enum<static_cast<int>(PlatformID::PLATFORM_LINUX_64)>("Linux")
             ->Enum<static_cast<int>(PlatformID::PLATFORM_ANDROID_64)>("Android64")
             ->Enum<static_cast<int>(PlatformID::PLATFORM_APPLE_IOS)>("iOS")
-            ->Enum<static_cast<int>(PlatformID::PLATFORM_APPLE_OSX)>("OSX")
+            ->Enum<static_cast<int>(PlatformID::PLATFORM_APPLE_MAC)>("Mac")
 #if defined(AZ_EXPAND_FOR_RESTRICTED_PLATFORM) || defined(AZ_TOOLS_EXPAND_FOR_RESTRICTED_PLATFORMS)
 #define AZ_RESTRICTED_PLATFORM_EXPANSION(CodeName, CODENAME, codename, PrivateName, PRIVATENAME, privatename, PublicName, PUBLICNAME, publicname, PublicAuxName1, PublicAuxName2, PublicAuxName3)\
             ->Enum<static_cast<int>(PlatformID::PLATFORM_##PUBLICNAME)>(#CodeName)

Code/Framework/AzCore/AzCore/Serialization/EditContextConstants.inl

@@ -123,6 +123,7 @@ namespace AZ
 
             const static AZ::Crc32 NameLabelOverride = AZ_CRC("NameLabelOverride", 0x9ff79cab);
             const static AZ::Crc32 AssetPickerTitle = AZ_CRC_CE("AssetPickerTitle");
+            const static AZ::Crc32 HideProductFilesInAssetPicker = AZ_CRC_CE("HideProductFilesInAssetPicker");
             const static AZ::Crc32 ChildNameLabelOverride = AZ_CRC("ChildNameLabelOverride", 0x73dd2909);
             //! Container attribute that is used to override labels for its elements given the index of the element
             const static AZ::Crc32 IndexedChildNameLabelOverride = AZ_CRC("IndexedChildNameLabelOverride", 0x5f313ac2);

Code/Framework/AzCore/AzCore/Serialization/Json/JsonDeserializer.cpp

@@ -10,6 +10,7 @@
 *
 */
 
+#include "AzCore/RTTI/TypeInfo.h"
 #include <AzCore/Math/UuidSerializer.h>
 #include <AzCore/RTTI/AttributeReader.h>
 #include <AzCore/Serialization/Json/CastingHelpers.h>
@@ -61,6 +62,13 @@ namespace AZ
 
         if (classData->m_azRtti && classData->m_azRtti->GetGenericTypeId() != typeId)
         {
+            if (((classData->m_azRtti->GetTypeTraits() & (AZ::TypeTraits::is_signed | AZ::TypeTraits::is_unsigned)) != AZ::TypeTraits{0}) &&
+                context.GetSerializeContext()->GetUnderlyingTypeId(typeId) == classData->m_typeId)
+            {
+                // This value is from an enum, where a field has been reflected using ClassBuilder::Field, but the enum
+                // type itself has not been reflected using EnumBuilder. Treat it as an enum.
+                return LoadEnum(object, *classData, value, context);
+            }
             serializer = context.GetRegistrationContext()->GetSerializerForType(classData->m_azRtti->GetGenericTypeId());
             if (serializer)
             {
@@ -77,21 +85,18 @@ namespace AZ
         {
             return LoadEnum(object, *classData, value, context);
         }
-        else if (classData->m_container)
+        if (classData->m_container)
         {
             return context.Report(Tasks::ReadField, Outcomes::Unsupported,
                 "The Json Serializer uses custom serializers to load containers. If this message is encountered "
                 "then a serializer for the target containers is missing, isn't registered or doesn't exist.");
         }
-        else if (value.IsObject())
+        if (value.IsObject())
         {
             return LoadClass(object, *classData, value, context);
         }
-        else
-        {
-            return context.Report(Tasks::ReadField, Outcomes::Unsupported,
-                AZStd::string::format("Reading into targets of type '%s' is not supported.", classData->m_name));
-        }
+        return context.Report(Tasks::ReadField, Outcomes::Unsupported,
+            AZStd::string::format("Reading into targets of type '%s' is not supported.", classData->m_name));
     }
 
     JsonSerializationResult::ResultCode JsonDeserializer::LoadToPointer(void* object, const Uuid& typeId,
@@ -233,8 +238,16 @@ namespace AZ
         AZ::TypeId underlyingTypeId = AZ::TypeId::CreateNull();
         if (!attributeReader.Read<AZ::TypeId>(underlyingTypeId))
         {
-            return context.Report(Tasks::RetrieveInfo, Outcomes::Unknown,
-                "Unable to find underlying type of enum in class data.");
+            // for non-reflected enums, the passed-in classData already represents the enum's underlying type
+            if (context.GetSerializeContext()->GetUnderlyingTypeId(classData.m_typeId) == classData.m_typeId)
+            {
+                underlyingTypeId = classData.m_typeId;
+            }
+            else
+            {
+                return context.Report(Tasks::RetrieveInfo, Outcomes::Unknown,
+                    "Unable to find underlying type of enum in class data.");
+            }
         }
 
         const SerializeContext::ClassData* underlyingClassData = context.GetSerializeContext()->FindClassData(underlyingTypeId);

Code/Framework/AzCore/AzCore/Settings/SettingsRegistryImpl.cpp

@@ -14,6 +14,7 @@
 #include <cerrno>
 #include <AzCore/Casting/numeric_cast.h>
 #include <AzCore/JSON/error/en.h>
+#include <AzCore/NativeUI//NativeUIRequests.h>
 #include <AzCore/Serialization/Json/JsonSerialization.h>
 #include <AzCore/Serialization/Json/StackedString.h>
 #include <AzCore/Settings/SettingsRegistryImpl.h>
@@ -1061,15 +1062,23 @@ namespace AZ
         jsonPatch.ParseInsitu<flags>(scratchBuffer.data());
         if (jsonPatch.HasParseError())
         {
+            auto nativeUI = AZ::Interface<NativeUI::NativeUIRequests>::Get();
             if (jsonPatch.GetParseError() == rapidjson::kParseErrorDocumentEmpty)
             {
-                AZ_Warning("Settings Registry", false, R"(Unable to parse registry file "%s" due to json error "%s" at offset %llu.)",
+                AZ_Warning("Settings Registry", false, R"(Unable to parse registry file "%s" due to json error "%s" at offset %zu.)",
                     path, GetParseError_En(jsonPatch.GetParseError()), jsonPatch.GetErrorOffset());
             }
             else
             {
-                AZ_Error("Settings Registry", false, R"(Unable to parse registry file "%s" due to json error "%s" at offset %llu.)", path,
+                using ErrorString = AZStd::fixed_string<4096>;
+                auto jsonError = ErrorString::format(R"(Unable to parse registry file "%s" due to json error "%s" at offset %zu.)", path,
                     GetParseError_En(jsonPatch.GetParseError()), jsonPatch.GetErrorOffset());
+                AZ_Error("Settings Registry", false, "%s", jsonError.c_str());
+
+                if (nativeUI)
+                {
+                    nativeUI->DisplayOkDialog("Setreg(Patch) Merge Issue", AZStd::string_view(jsonError), false);
+                }
             }
             
             pointer.Create(m_settings, m_settings.GetAllocator()).SetObject()

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

@@ -88,6 +88,35 @@ namespace AZ::Internal
                     m_enginePaths.emplace_back(EngineInfo{AZ::IO::FixedMaxPath{value}.LexicallyNormal(), {}});
                 }
 
+                AZ::SettingsRegistryInterface::VisitResponse Traverse(
+                    [[maybe_unused]] AZStd::string_view path, AZStd::string_view valueName,
+                    AZ::SettingsRegistryInterface::VisitAction action, AZ::SettingsRegistryInterface::Type type) override
+                {
+                    auto response = AZ::SettingsRegistryInterface::VisitResponse::Continue;
+                    if (action == AZ::SettingsRegistryInterface::VisitAction::Begin)
+                    {
+                        if (type == AZ::SettingsRegistryInterface::Type::Array)
+                        {
+                            if (valueName.compare("engines") != 0)
+                            {
+                                response = AZ::SettingsRegistryInterface::VisitResponse::Skip;
+                            }
+                        }
+                    }
+                    else if (action == AZ::SettingsRegistryInterface::VisitAction::Value)
+                    {
+                        if (type == AZ::SettingsRegistryInterface::Type::String)
+                        {
+                            if (valueName.compare("path") != 0)
+                            {
+                                response = AZ::SettingsRegistryInterface::VisitResponse::Skip;
+                            }
+                        }
+                    }
+
+                    return response;
+                }
+
                 AZStd::vector<EngineInfo> m_enginePaths{};
             };
 
@@ -494,13 +523,6 @@ namespace AZ::SettingsRegistryMergeUtils
         return configFileParsed;
     }
 
-    void MergeSettingsToRegistry_Bootstrap(SettingsRegistryInterface& registry)
-    {
-        ConfigParserSettings parserSettings;
-        parserSettings.m_registryRootPointerPath = BootstrapSettingsRootKey;
-        MergeSettingsToRegistry_ConfigFile(registry, "bootstrap.cfg", parserSettings);
-    }
-
     void MergeSettingsToRegistry_AddRuntimeFilePaths(SettingsRegistryInterface& registry)
     {
         using FixedValueString = AZ::SettingsRegistryInterface::FixedValueString;

Code/Framework/AzCore/AzCore/Settings/SettingsRegistryMergeUtils.h

@@ -172,9 +172,6 @@ namespace AZ::SettingsRegistryMergeUtils
     bool MergeSettingsToRegistry_ConfigFile(SettingsRegistryInterface& registry, AZStd::string_view filePath,
         const ConfigParserSettings& configParserSettings);
 
-    //! Loads bootstrap.cfg into the Settings Registry. This file does not support specializations.
-    void MergeSettingsToRegistry_Bootstrap(SettingsRegistryInterface& registry);
-
     //! Extracts file path information from the environment and bootstrap to calculate the various file paths and adds those
     //! to the Settings Registry under the FilePathsRootKey.
     void MergeSettingsToRegistry_AddRuntimeFilePaths(SettingsRegistryInterface& registry);

Code/Framework/AzCore/Platform/Mac/AzCore/PlatformId/PlatformId_Mac.h

@@ -13,5 +13,5 @@
 
 namespace AZ
 {
-    static const PlatformID g_currentPlatform = PlatformID::PLATFORM_APPLE_OSX;
+    static const PlatformID g_currentPlatform = PlatformID::PLATFORM_APPLE_MAC;
 }

Code/Framework/AzCore/Tests/AZTestShared/Math/MathTestHelpers.cpp

@@ -68,7 +68,7 @@ namespace AZ
         return os
             << "translation: " << transform.GetTranslation()
             << " rotation: " << transform.GetRotation()
-            << " scale: " << transform.GetScale();
+            << " scale: " << transform.GetUniformScale();
     }
 
     std::ostream& operator<<(std::ostream& os, const Color& color)

Code/Framework/AzCore/Tests/AZTestShared/Utils/Utils.cpp

@@ -31,6 +31,8 @@ namespace UnitTest
     ErrorHandler::ErrorHandler(const char* errorPattern)
         : m_errorCount(0)
         , m_warningCount(0)
+        , m_expectedErrorCount(0)
+        , m_expectedWarningCount(0)
         , m_errorPattern(errorPattern)
     {
         AZ::Debug::TraceMessageBus::Handler::BusConnect();
@@ -51,6 +53,16 @@ namespace UnitTest
         return m_warningCount;
     }
 
+    int ErrorHandler::GetExpectedErrorCount() const
+    {
+        return m_expectedErrorCount;
+    }
+
+    int ErrorHandler::GetExpectedWarningCount() const
+    {
+        return m_expectedWarningCount;
+    }
+
     bool ErrorHandler::SuppressExpectedErrors([[maybe_unused]] const char* window, const char* message)
     {
         return AZStd::string(message).find(m_errorPattern) != AZStd::string::npos;
@@ -61,7 +73,9 @@ namespace UnitTest
         [[maybe_unused]] const char* func, const char* message)
     {
         m_errorCount++;
-        return SuppressExpectedErrors(window, message);
+        bool suppress = SuppressExpectedErrors(window, message);
+        m_expectedErrorCount += suppress;
+        return suppress;
     }
 
     bool ErrorHandler::OnPreWarning(
@@ -69,7 +83,9 @@ namespace UnitTest
         [[maybe_unused]] const char* func, const char* message)
     {
         m_warningCount++;
-        return SuppressExpectedErrors(window, message);
+        bool suppress = SuppressExpectedErrors(window, message);
+        m_expectedWarningCount += suppress;
+        return suppress;
     }
 
     bool ErrorHandler::OnPrintf(const char* window, const char* message)

Code/Framework/AzCore/Tests/AZTestShared/Utils/Utils.h

@@ -30,8 +30,14 @@ namespace UnitTest
     public:
         explicit ErrorHandler(const char* errorPattern);
         ~ErrorHandler();
+        //! Returns the total number of errors encountered (including those which match the expected pattern).
         int GetErrorCount() const;
+        //! Returns the total number of warnings encountered (including those which match the expected pattern).
         int GetWarningCount() const;
+        //! Returns the number of errors encountered which matched the expected pattern.
+        int GetExpectedErrorCount() const;
+        //! Returns the number of warnings encountered which matched the expected pattern.
+        int GetExpectedWarningCount() const;
         bool SuppressExpectedErrors(const char* window, const char* message);
 
         // AZ::Debug::TraceMessageBus
@@ -44,6 +50,8 @@ namespace UnitTest
         AZStd::string m_errorPattern;
         int m_errorCount;
         int m_warningCount;
+        int m_expectedErrorCount;
+        int m_expectedWarningCount;
     };
 }
 

Code/Framework/AzCore/Tests/Math/MathTestData.h

@@ -61,8 +61,8 @@ namespace MathTestData
     };
 
     static const AZ::Transform NonOrthogonalTransforms[] = {
-    AZ::Transform::CreateScale(AZ::Vector3(2.4f, 0.3f, 1.7f)),
-    AZ::Transform::CreateRotationX(2.2f) * AZ::Transform::CreateScale(AZ::Vector3(0.2f, 0.8f, 1.4f))
+        AZ::Transform::CreateUniformScale(2.4f),
+        AZ::Transform::CreateRotationX(2.2f) * AZ::Transform::CreateUniformScale(0.8f)
     };
 
     static const AZ::Transform OrthogonalTransforms[] = {

Code/Framework/AzCore/Tests/Math/ObbTests.cpp

@@ -59,11 +59,11 @@ namespace UnitTest
     TEST(MATH_Obb, TestScaleTransform)
     {
         Obb obb = Obb::CreateFromPositionRotationAndHalfLengths(position, rotation, halfLengths);
-        Vector3 scaleFactors = Vector3(1.0f, 2.0f, 3.0f);
-        Transform transform = Transform::CreateScale(scaleFactors);
+        float scale = 3.0f;
+        Transform transform = Transform::CreateUniformScale(scale);
         obb = transform * obb;
-        EXPECT_THAT(obb.GetPosition(), IsClose(Vector3(1.0f, 4.0f, 9.0f)));
-        EXPECT_THAT(obb.GetHalfLengths(), IsClose(Vector3(0.5f, 1.0f, 1.5f)));
+        EXPECT_THAT(obb.GetPosition(), IsClose(Vector3(3.0f, 6.0f, 9.0f)));
+        EXPECT_THAT(obb.GetHalfLengths(), IsClose(Vector3(1.5f, 1.5f, 1.5f)));
     }
 
     TEST(MATH_Obb, TestSetPosition)

Code/Framework/AzCore/Tests/Math/RandomTests.cpp

@@ -0,0 +1,114 @@
+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include <AzCore/Math/Random.h>
+#include <AzCore/UnitTest/TestTypes.h>
+
+using namespace AZ;
+
+namespace UnitTest
+{
+    TEST(MATH_Random, GetHaltonNumber)
+    {
+        EXPECT_FLOAT_EQ(0.5, GetHaltonNumber(1, 2));
+        EXPECT_FLOAT_EQ(898.0f / 2187.0f, GetHaltonNumber(1234, 3));
+        EXPECT_FLOAT_EQ(5981.0f / 15625.0f, GetHaltonNumber(4321, 5));
+    }
+
+    TEST(MATH_Random, HaltonSequenceStandard)
+    {
+        HaltonSequence<3> sequence({ 2, 3, 5 });
+        auto regularSequence = sequence.GetHaltonSequence<5>();
+
+        EXPECT_FLOAT_EQ(1.0f / 2.0f, regularSequence[0][0]);
+        EXPECT_FLOAT_EQ(1.0f / 3.0f, regularSequence[0][1]);
+        EXPECT_FLOAT_EQ(1.0f / 5.0f, regularSequence[0][2]);
+
+        EXPECT_FLOAT_EQ(1.0f / 4.0f, regularSequence[1][0]);
+        EXPECT_FLOAT_EQ(2.0f / 3.0f, regularSequence[1][1]);
+        EXPECT_FLOAT_EQ(2.0f / 5.0f, regularSequence[1][2]);
+
+        EXPECT_FLOAT_EQ(3.0f / 4.0f, regularSequence[2][0]);
+        EXPECT_FLOAT_EQ(1.0f / 9.0f, regularSequence[2][1]);
+        EXPECT_FLOAT_EQ(3.0f / 5.0f, regularSequence[2][2]);
+
+        EXPECT_FLOAT_EQ(1.0f / 8.0f, regularSequence[3][0]);
+        EXPECT_FLOAT_EQ(4.0f / 9.0f, regularSequence[3][1]);
+        EXPECT_FLOAT_EQ(4.0f / 5.0f, regularSequence[3][2]);
+
+        EXPECT_FLOAT_EQ(5.0f / 8.0f, regularSequence[4][0]);
+        EXPECT_FLOAT_EQ(7.0f / 9.0f, regularSequence[4][1]);
+        EXPECT_FLOAT_EQ(1.0f / 25.0f, regularSequence[4][2]);
+    }
+    
+    TEST(MATH_Random, HaltonSequenceOffsets)
+    {
+        HaltonSequence<3> sequence({ 2, 3, 5 });
+        sequence.SetOffsets({ 1, 2, 3 });
+        auto offsetSequence = sequence.GetHaltonSequence<2>();
+
+        EXPECT_FLOAT_EQ(1.0f / 4.0f, offsetSequence[0][0]);
+        EXPECT_FLOAT_EQ(1.0f / 9.0f, offsetSequence[0][1]);
+        EXPECT_FLOAT_EQ(4.0f / 5.0f, offsetSequence[0][2]);
+
+        EXPECT_FLOAT_EQ(3.0f / 4.0f, offsetSequence[1][0]);
+        EXPECT_FLOAT_EQ(4.0f / 9.0f, offsetSequence[1][1]);
+        EXPECT_FLOAT_EQ(1.0f / 25.0f, offsetSequence[1][2]);
+    }
+    
+    TEST(MATH_Random, HaltonSequenceIncrements)
+    {
+        HaltonSequence<3> sequence({ 2, 3, 5 });
+        sequence.SetOffsets({ 1, 2, 3 });
+        sequence.SetIncrements({ 1, 2, 3 });
+        auto incrementedSequence = sequence.GetHaltonSequence<2>();
+
+        EXPECT_FLOAT_EQ(1.0f / 4.0f, incrementedSequence[0][0]);
+        EXPECT_FLOAT_EQ(1.0f / 9.0f, incrementedSequence[0][1]);
+        EXPECT_FLOAT_EQ(4.0f / 5.0f, incrementedSequence[0][2]);
+
+        EXPECT_FLOAT_EQ(3.0f / 4.0f, incrementedSequence[1][0]);
+        EXPECT_FLOAT_EQ(7.0f / 9.0f, incrementedSequence[1][1]);
+        EXPECT_FLOAT_EQ(11.0f / 25.0f, incrementedSequence[1][2]);
+    }
+    
+    TEST(MATH_Random, FillHaltonSequence)
+    {
+        HaltonSequence<3> sequence({ 2, 3, 5 });
+        auto regularSequence = sequence.GetHaltonSequence<5>();
+
+        struct Point
+        {
+            Point() = default;
+            Point(AZStd::array<float, 3> arr)
+                :x(arr[0])
+                ,y(arr[1])
+                ,z(arr[2])
+            {}
+
+            float x = 0.0f;
+            float y = 0.0f;
+            float z = 0.0f;
+        };
+
+        AZStd::array<Point, 5> ownedContainer;
+        sequence.FillHaltonSequence(ownedContainer.begin(), ownedContainer.end());
+
+        for (size_t i = 0; i < regularSequence.size(); ++i)
+        {
+            EXPECT_FLOAT_EQ(regularSequence[i][0], ownedContainer[i].x);
+            EXPECT_FLOAT_EQ(regularSequence[i][1], ownedContainer[i].y);
+            EXPECT_FLOAT_EQ(regularSequence[i][2], ownedContainer[i].z);
+        }
+    }
+
+}

Code/Framework/AzCore/Tests/Math/TransformPerformanceTests.cpp

@@ -180,13 +180,13 @@ namespace Benchmark
         }
     }
 
-    BENCHMARK_F(BM_MathTransform, CreateScale)(benchmark::State& state)
+    BENCHMARK_F(BM_MathTransform, CreateUniformScale)(benchmark::State& state)
     {
         for (auto _ : state)
         {
             for (auto& testData : m_testDataArray)
             {
-                AZ::Transform result = AZ::Transform::CreateScale(testData.v3);
+                AZ::Transform result = AZ::Transform::CreateUniformScale(testData.value[0]);
                 benchmark::DoNotOptimize(result);
             }
         }
@@ -344,39 +344,39 @@ namespace Benchmark
         }
     }
 
-    BENCHMARK_F(BM_MathTransform, GetScale)(benchmark::State& state)
+    BENCHMARK_F(BM_MathTransform, GetUniformScale)(benchmark::State& state)
     {
         for (auto _ : state)
         {
             for (auto& testData : m_testDataArray)
             {
-                AZ::Vector3 result = testData.t1.GetScale();
+                float result = testData.t1.GetUniformScale();
                 benchmark::DoNotOptimize(result);
             }
         }
     }
 
-    BENCHMARK_F(BM_MathTransform, SetScale)(benchmark::State& state)
+    BENCHMARK_F(BM_MathTransform, SetUniformScale)(benchmark::State& state)
     {
         for (auto _ : state)
         {
             for (auto& testData : m_testDataArray)
             {
                 AZ::Transform testTransform = testData.t2;
-                testTransform.SetScale(testData.v3);
+                testTransform.SetUniformScale(testData.value[0]);
                 benchmark::DoNotOptimize(testTransform);
             }
         }
     }
 
-    BENCHMARK_F(BM_MathTransform, ExtractScale)(benchmark::State& state)
+    BENCHMARK_F(BM_MathTransform, ExtractUniformScale)(benchmark::State& state)
     {
         for (auto _ : state)
         {
             for (auto& testData : m_testDataArray)
             {
                 AZ::Transform testTransform = testData.t2;
-                AZ::Vector3 result = testTransform.ExtractScale();
+                float result = testTransform.ExtractUniformScale();
                 benchmark::DoNotOptimize(result);
             }
         }

Code/Framework/AzCore/Tests/Math/TransformTests.cpp

@@ -159,37 +159,14 @@ namespace UnitTest
 
     INSTANTIATE_TEST_CASE_P(MATH_Transform, TransformCreateFromQuaternionFixture, ::testing::ValuesIn(MathTestData::UnitQuaternions));
 
-    using TransformCreateFromMatrix3x3Fixture = ::testing::TestWithParam<AZ::Matrix3x3>;
-
-    TEST_P(TransformCreateFromMatrix3x3Fixture, CreateFromMatrix3x3)
+    TEST(MATH_Transform, CreateUniformScale)
     {
-        const AZ::Matrix3x3 matrix3x3 = GetParam();
-        const AZ::Transform transform = AZ::Transform::CreateFromMatrix3x3(matrix3x3);
-        EXPECT_THAT(transform.GetTranslation(), IsClose(AZ::Vector3::CreateZero()));
-        const AZ::Vector3 vector(2.3f, -0.6, 1.8f);
-        EXPECT_THAT(transform.TransformPoint(vector), IsClose(matrix3x3 * vector));
-    }
-
-    TEST_P(TransformCreateFromMatrix3x3Fixture, CreateFromMatrix3x3AndTranslation)
-    {
-        const AZ::Matrix3x3 matrix3x3 = GetParam();
-        const AZ::Vector3 translation(-2.6f, 1.7f, 0.8f);
-        const AZ::Transform transform = AZ::Transform::CreateFromMatrix3x3AndTranslation(matrix3x3, translation);
-        EXPECT_THAT(transform.GetTranslation(), IsClose(translation));
-        const AZ::Vector3 vector(2.3f, -0.6, 1.8f);
-        EXPECT_THAT(transform.TransformPoint(vector), IsClose(matrix3x3 * vector + translation));
-    }
-
-    INSTANTIATE_TEST_CASE_P(MATH_Transform, TransformCreateFromMatrix3x3Fixture, ::testing::ValuesIn(MathTestData::Matrix3x3s));
-
-    TEST(MATH_Transform, CreateScale)
-    {
-        const AZ::Vector3 scale(1.7f, 0.3f, 2.4f);
-        const AZ::Transform transform = AZ::Transform::CreateScale(scale);
+        const float scale = 1.7f;
+        const AZ::Transform transform = AZ::Transform::CreateUniformScale(scale);
         const AZ::Vector3 vector(0.2f, -1.6f, 0.4f);
         EXPECT_THAT(transform.GetTranslation(), IsClose(AZ::Vector3::CreateZero()));
         const AZ::Vector3 transformedVector = transform.TransformPoint(vector);
-        const AZ::Vector3 expected(0.34f, -0.48f, 0.96f);
+        const AZ::Vector3 expected(0.34f, -2.72f, 0.68f);
         EXPECT_THAT(transformedVector, IsClose(expected));
     }
 
@@ -237,10 +214,10 @@ namespace UnitTest
     TEST(MATH_Transform, MultiplyByTransform)
     {
         const AZ::Transform transform1 = AZ::Transform::CreateRotationY(0.3f);
-        const AZ::Transform transform2 = AZ::Transform::CreateScale(AZ::Vector3(1.3f, 1.5f, 0.4f));
+        const AZ::Transform transform2 = AZ::Transform::CreateUniformScale(1.3f);
         const AZ::Transform transform3 = AZ::Transform::CreateFromQuaternionAndTranslation(
             AZ::Quaternion(0.42f, 0.46f, -0.66f, 0.42f), AZ::Vector3(2.8f, -3.7f, 1.6f));
-        const AZ::Transform transform4 = AZ::Transform::CreateRotationX(-0.7f) * AZ::Transform::CreateScale(AZ::Vector3(0.6f, 1.3f, 0.7f));
+        const AZ::Transform transform4 = AZ::Transform::CreateRotationX(-0.7f) * AZ::Transform::CreateUniformScale(0.6f);
         AZ::Transform transform5 = transform1;
         transform5 *= transform4;
         const AZ::Vector3 vector(1.9f, 2.3f, 0.2f);
@@ -254,14 +231,14 @@ namespace UnitTest
     TEST(MATH_Transform, TranslationCorrectInTransformHierarchy)
     {
         AZ::Transform parent = AZ::Transform::CreateRotationZ(AZ::DegToRad(45.0f));
-        parent.SetScale(AZ::Vector3(3.0f, 2.0f, 1.0f));
+        parent.SetUniformScale(3.0f);
         parent.SetTranslation(AZ::Vector3(0.2f, 0.3f, 0.4f));
         AZ::Transform child = AZ::Transform::CreateRotationZ(AZ::DegToRad(90.0f));
         child.SetTranslation(AZ::Vector3(0.5f, 0.6f, 0.7f));
         const AZ::Transform overallTransform = parent * child;
         const AZ::Vector3 overallTranslation = overallTransform.GetTranslation();
-        const AZ::Vector3 expectedTranslation(0.412132f, 2.20919f, 1.1f);
-        EXPECT_THAT(overallTranslation, IsClose(AZ::Vector3(0.412132f, 2.20919f, 1.1f)));
+        const AZ::Vector3 expectedTranslation(-0.012132f, 2.633452f, 2.5f);
+        EXPECT_THAT(overallTranslation, IsClose(expectedTranslation));
     }
 
     TEST(MATH_Transform, TransformPointVector3)
@@ -337,14 +314,14 @@ namespace UnitTest
     TEST_P(TransformScaleFixture, Scale)
     {
         const AZ::Transform orthogonalTransform = GetParam();
-        EXPECT_THAT(orthogonalTransform.GetScale(), IsClose(AZ::Vector3::CreateOne()));
+        EXPECT_NEAR(orthogonalTransform.GetUniformScale(), 1.0f, AZ::Constants::Tolerance);
         AZ::Transform unscaledTransform = orthogonalTransform;
-        unscaledTransform.ExtractScale();
-        EXPECT_THAT(unscaledTransform.GetScale(), IsClose(AZ::Vector3::CreateOne()));
-        const AZ::Vector3 scale(2.8f, 0.7f, 1.3f);
+        unscaledTransform.ExtractUniformScale();
+        EXPECT_NEAR(unscaledTransform.GetUniformScale(), 1.0f, AZ::Constants::Tolerance);
+        const float scale = 2.8f;
         AZ::Transform scaledTransform = orthogonalTransform;
-        scaledTransform.MultiplyByScale(scale);
-        EXPECT_THAT(scaledTransform.GetScale(), IsClose(scale));
+        scaledTransform.MultiplyByUniformScale(scale);
+        EXPECT_NEAR(scaledTransform.GetUniformScale(), scale, AZ::Constants::Tolerance);
     }
 
     INSTANTIATE_TEST_CASE_P(MATH_Transform, TransformScaleFixture, ::testing::ValuesIn(MathTestData::OrthogonalTransforms));
@@ -353,24 +330,11 @@ namespace UnitTest
     {
         EXPECT_TRUE(AZ::Transform::CreateIdentity().IsOrthogonal());
         EXPECT_TRUE(AZ::Transform::CreateRotationZ(0.3f).IsOrthogonal());
-        EXPECT_FALSE(AZ::Transform::CreateScale(AZ::Vector3(0.8f, 0.3f, 1.2f)).IsOrthogonal());
+        EXPECT_FALSE(AZ::Transform::CreateUniformScale(0.8f).IsOrthogonal());
         EXPECT_TRUE(AZ::Transform::CreateFromQuaternion(AZ::Quaternion(-0.52f, -0.08f, 0.56f, 0.64f)).IsOrthogonal());
         AZ::Transform transform;
         transform.SetFromEulerRadians(AZ::Vector3(0.2f, 0.4f, 0.1f));
         EXPECT_TRUE(transform.IsOrthogonal());
-
-        // want to test each possible way the transform could fail to be orthogonal, which we can do by testing for one
-        // axis, then using a rotation which cycles the axes
-        const AZ::Transform axisCycle = AZ::Transform::CreateFromQuaternion(AZ::Quaternion(0.5f, 0.5f, 0.5f, 0.5f));
-
-        // a transform which is normalized in 2 axes, but not the third
-        AZ::Transform nonOrthogonalTransform1 = AZ::Transform::CreateScale(AZ::Vector3(1.0f, 1.0f, 2.0f));
-
-        for (int i = 0; i < 3; i++)
-        {
-            EXPECT_FALSE(nonOrthogonalTransform1.IsOrthogonal());
-            nonOrthogonalTransform1 = axisCycle * nonOrthogonalTransform1;
-        }
     }
 
     using TransformSetFromEulerDegreesFixture = ::testing::TestWithParam<AZ::Vector3>;
@@ -459,16 +423,17 @@ namespace UnitTest
     {
         const char* objectStreamBuffer =
             R"DELIMITER(<ObjectStream version="3">
-            <Class name="Transform" field="m_data" value="0.79429845 0.8545947 -0.94273965 -0.05367075 0.3899708 0.30828915 1.0097652 -0.31084164 0.56899188 513.7845459 492.5420837 32.0000000" type="{5D9958E9-9F1E-4985-B532-FFFDE75FEDFD}"/>
+            <Class name="Transform" field="m_data" value="0.79429845 0.8545947 -0.94273965 -0.1610121 1.1699124 0.92486745 1.2622065 -0.3885522 0.71123985 513.7845459 492.5420837 32.0000000" type="{5D9958E9-9F1E-4985-B532-FFFDE75FEDFD}"/>
             </ObjectStream>)DELIMITER";
 
         AZ::Transform* deserializedTransform = AZ::Utils::LoadObjectFromBuffer<AZ::Transform>(objectStreamBuffer, strlen(objectStreamBuffer) + 1);
 
         const AZ::Vector3 expectedTranslation(513.7845459f, 492.5420837f, 32.0000000f);
-        const AZ::Vector3 expectedScale(1.5f, 0.5f, 1.2f);
+        const float expectedScale = 1.5f;
         const AZ::Quaternion expectedRotation(0.2624075f, 0.4405251f, 0.2029076f, 0.8342113f);
         const AZ::Transform expectedTransform =
-            AZ::Transform::CreateFromQuaternionAndTranslation(expectedRotation, expectedTranslation) * AZ::Transform::CreateScale(expectedScale);
+            AZ::Transform::CreateFromQuaternionAndTranslation(expectedRotation, expectedTranslation) *
+            AZ::Transform::CreateUniformScale(expectedScale);
 
         EXPECT_TRUE(deserializedTransform->IsClose(expectedTransform));
         azfree(deserializedTransform);

Code/Framework/AzCore/Tests/ScriptMath.cpp

@@ -1275,10 +1275,10 @@ namespace UnitTest
         script->Execute("AZTestAssert(t1:TransformVector(Vector3(1, 0, 0)):IsClose(Vector3(1, 0, 0)))");
         script->Execute("AZTestAssert(t1:TransformVector(Vector3(0, 1, 0)):IsClose(Vector3(0, 0.866, 0.5)))");
         script->Execute("AZTestAssert(t1:TransformVector(Vector3(0, 0, 1)):IsClose(Vector3(0, -0.5, 0.866)))");
-        script->Execute("t1 = Transform.CreateScale(Vector3(1, 2, 3))");
-        script->Execute("AZTestAssert(t1:TransformVector(Vector3(1, 0, 0)):IsClose(Vector3(1, 0, 0)))");
+        script->Execute("t1 = Transform.CreateUniformScale(2)");
+        script->Execute("AZTestAssert(t1:TransformVector(Vector3(1, 0, 0)):IsClose(Vector3(2, 0, 0)))");
         script->Execute("AZTestAssert(t1:TransformVector(Vector3(0, 1, 0)):IsClose(Vector3(0, 2, 0)))");
-        script->Execute("AZTestAssert(t1:TransformVector(Vector3(0, 0, 1)):IsClose(Vector3(0, 0, 3)))");
+        script->Execute("AZTestAssert(t1:TransformVector(Vector3(0, 0, 1)):IsClose(Vector3(0, 0, 2)))");
         script->Execute("t1 = Transform.CreateTranslation(Vector3(1, 2, 3))");
         script->Execute("AZTestAssert(t1:TransformVector(Vector3(1, 0, 0)):IsClose(Vector3(1, 0, 0)))");
         script->Execute("AZTestAssert(t1:TransformVector(Vector3(0, 1, 0)):IsClose(Vector3(0, 1, 0)))");
@@ -1341,19 +1341,19 @@ namespace UnitTest
         script->Execute("AZTestAssert(t3:GetTranslation():IsClose(Vector3(-5.90, 25.415, 19.645), 0.001))");
 
         ////test inverse, should handle non-orthogonal matrices
-        script->Execute("t1 = Transform.CreateRotationX(1) * Transform.CreateScale(Vector3(1, 2, 3))");
+        script->Execute("t1 = Transform.CreateRotationX(1) * Transform.CreateUniformScale(2)");
         script->Execute("AZTestAssert((t1*t1:GetInverse()):IsClose(Transform.CreateIdentity()))");
 
         ////scale access
-        script->Execute("t1 = Transform.CreateRotationX(Math.DegToRad(40)) * Transform.CreateScale(Vector3(2, 3, 4))");
-        script->Execute("AZTestAssert(t1:GetScale():IsClose(Vector3(2, 3, 4)))");
-        script->Execute("AZTestAssert(t1:ExtractScale():IsClose(Vector3(2, 3, 4)))");
-        script->Execute("AZTestAssert(t1:GetScale():IsClose(Vector3.CreateOne()))");
-        script->Execute("t1:MultiplyByScale(Vector3(3, 4, 5))");
-        script->Execute("AZTestAssert(t1:GetScale():IsClose(Vector3(3, 4, 5)))");
+        script->Execute("t1 = Transform.CreateRotationX(Math.DegToRad(40)) * Transform.CreateUniformScale(3)");
+        script->Execute("AZTestAssertFloatClose(t1:GetUniformScale(), 3)");
+        script->Execute("AZTestAssertFloatClose(t1:ExtractUniformScale(), 3)");
+        script->Execute("AZTestAssertFloatClose(t1:GetUniformScale(), 1)");
+        script->Execute("t1:MultiplyByUniformScale(2)");
+        script->Execute("AZTestAssertFloatClose(t1:GetUniformScale(), 2)");
 
         ////orthogonalize
-        script->Execute("t1 = Transform.CreateRotationX(Math.DegToRad(30)) * Transform.CreateScale(Vector3(2, 3, 4))");
+        script->Execute("t1 = Transform.CreateRotationX(Math.DegToRad(30)) * Transform.CreateUniformScale(3)");
         script->Execute("t1:SetTranslation(Vector3(1,2,3))");
         script->Execute("t2 = t1:GetOrthogonalized()");
         script->Execute("AZTestAssertFloatClose(t2:GetBasisX():GetLength(), 1)");
@@ -1372,7 +1372,7 @@ namespace UnitTest
         script->Execute("t1 = Transform.CreateRotationX(Math.DegToRad(30))");
         script->Execute("t1:SetTranslation(Vector3(1, 2, 3))");
         script->Execute("AZTestAssert(t1:IsOrthogonal(0.05))");
-        script->Execute("t1 = Transform.CreateRotationX(Math.DegToRad(30)) * Transform.CreateScale(Vector3(2, 3, 4))");
+        script->Execute("t1 = Transform.CreateRotationX(Math.DegToRad(30)) * Transform.CreateUniformScale(2)");
         script->Execute("AZTestAssert( not t1:IsOrthogonal(0.05))");
 
         ////IsClose

Code/Framework/AzCore/Tests/Serialization/Json/TestCases.h

@@ -21,7 +21,7 @@ namespace JsonSerializationTests
 {
     using JsonSerializationTestCases = ::testing::Types<
         // Structures
-        SimpleClass, SimpleInheritence, MultipleInheritence, SimpleNested, SimpleEnumWrapper,
+        SimpleClass, SimpleInheritence, MultipleInheritence, SimpleNested, SimpleEnumWrapper, NonReflectedEnumWrapper,
         // Pointers
         SimpleNullPointer, SimpleAssignedPointer, ComplexAssignedPointer, ComplexNullInheritedPointer,
         ComplexAssignedDifferentInheritedPointer, ComplexAssignedSameInheritedPointer,

Code/Framework/AzCore/Tests/Serialization/Json/TestCases_Classes.cpp

@@ -373,6 +373,57 @@ namespace JsonSerializationTests
         return MakeInstanceWithoutDefaults(AZStd::move(instance), json);
     }
 
+    // NonReflectedEnumWrapper
+    bool NonReflectedEnumWrapper::Equals(const NonReflectedEnumWrapper& rhs, bool fullReflection) const
+    {
+        return !fullReflection || (m_enumClass == rhs.m_enumClass && m_rawEnum== rhs.m_rawEnum);
+    }
+
+    void NonReflectedEnumWrapper::Reflect(AZStd::unique_ptr<AZ::SerializeContext>& context, bool fullReflection)
+    {
+        if (fullReflection)
+        {
+            // Note that the enums are not reflected using context->Enum<>
+
+            context->Class<NonReflectedEnumWrapper>()
+                ->Field("enumClass", &NonReflectedEnumWrapper::m_enumClass)
+                ->Field("rawEnum", &NonReflectedEnumWrapper::m_rawEnum);
+        }
+    }
+
+    InstanceWithSomeDefaults<NonReflectedEnumWrapper> NonReflectedEnumWrapper::GetInstanceWithSomeDefaults()
+    {
+        auto instance = AZStd::make_unique<NonReflectedEnumWrapper>();
+        instance->m_enumClass = NonReflectedEnumWrapper::SimpleEnumClass::Option2;
+
+        const char* strippedDefaults = R"(
+            {
+                "enumClass": 2
+            })";
+        const char* keptDefaults = R"(
+            {
+                "enumClass": 2,
+                "rawEnum": 0
+            })";
+
+        return MakeInstanceWithSomeDefaults(AZStd::move(instance),
+            strippedDefaults, keptDefaults);
+    }
+
+    InstanceWithoutDefaults<NonReflectedEnumWrapper> NonReflectedEnumWrapper::GetInstanceWithoutDefaults()
+    {
+        auto instance = AZStd::make_unique<NonReflectedEnumWrapper>();
+        instance->m_enumClass = NonReflectedEnumWrapper::SimpleEnumClass::Option2;
+        instance->m_rawEnum = NonReflectedEnumWrapper::SimpleRawEnum::RawOption1;
+
+        const char* json = R"(
+            {
+                "enumClass": 2,
+                "rawEnum": 1
+            })";
+        return MakeInstanceWithoutDefaults(AZStd::move(instance), json);
+    }
+
     // TemplatedClass<int>
 
     bool TemplatedClass<int>::Equals(const TemplatedClass<int>& rhs, bool fullReflection) const

Code/Framework/AzCore/Tests/Serialization/Json/TestCases_Classes.h

@@ -134,6 +134,35 @@ namespace JsonSerializationTests
         SimpleRawEnum m_rawEnum{};
     };
 
+    struct NonReflectedEnumWrapper
+    {
+        enum class SimpleEnumClass
+        {
+            Option1 = 1,
+            Option2,
+        };
+        enum SimpleRawEnum
+        {
+            RawOption1 = 1,
+            RawOption2,
+        };
+        AZ_CLASS_ALLOCATOR(NonReflectedEnumWrapper, AZ::SystemAllocator, 0);
+        AZ_RTTI(NonReflectedEnumWrapper, "{A80D5B6B-2FD1-46E9-A7A9-44C5E2650526}");
+        
+        static constexpr bool SupportsPartialDefaults = true;
+
+        NonReflectedEnumWrapper() = default;
+        virtual ~NonReflectedEnumWrapper() = default;
+
+        bool Equals(const NonReflectedEnumWrapper& rhs, bool fullReflection) const;
+        static void Reflect(AZStd::unique_ptr<AZ::SerializeContext>& context, bool fullReflection);
+        static InstanceWithSomeDefaults<NonReflectedEnumWrapper> GetInstanceWithSomeDefaults();
+        static InstanceWithoutDefaults<NonReflectedEnumWrapper> GetInstanceWithoutDefaults();
+
+        SimpleEnumClass m_enumClass{};
+        SimpleRawEnum m_rawEnum{};
+    };
+
     template<typename T>
     struct TemplatedClass
     {
@@ -158,5 +187,7 @@ namespace AZ
 {
     AZ_TYPE_INFO_SPECIALIZE(JsonSerializationTests::SimpleEnumWrapper::SimpleEnumClass, "{AF6F1964-5B20-4689-BF23-F36B9C9AAE6A}");
     AZ_TYPE_INFO_SPECIALIZE(JsonSerializationTests::SimpleEnumWrapper::SimpleRawEnum, "{EB24207F-B48F-4D8B-940D-3CD06A371739}");
+    AZ_TYPE_INFO_SPECIALIZE(JsonSerializationTests::NonReflectedEnumWrapper::SimpleEnumClass, "{E80E4A41-B29E-4B7C-B630-3B599172C837}");
+    AZ_TYPE_INFO_SPECIALIZE(JsonSerializationTests::NonReflectedEnumWrapper::SimpleRawEnum, "{C42AF28D-4F84-4540-972A-5B6EEFAB13FF}");
     AZ_TYPE_INFO_TEMPLATE(JsonSerializationTests::TemplatedClass, "{CA4ADF74-66E7-4D16-B4AC-F71278C60EC7}", AZ_TYPE_INFO_TYPENAME);
 }

Code/Framework/AzCore/Tests/Serialization/Json/TransformSerializerTests.cpp

@@ -44,7 +44,7 @@ namespace JsonSerializationTests
         AZStd::shared_ptr<AZ::Transform> CreateFullySetInstance() override
         {
             return AZStd::make_shared<AZ::Transform>(
-                AZ::Vector3(1.0f, 2.0f, 3.0f), AZ::Quaternion(0.25f, 0.5f, 0.75f, 1.0f), AZ::Vector3(9.0f));
+                AZ::Vector3(1.0f, 2.0f, 3.0f), AZ::Quaternion(0.25f, 0.5f, 0.75f, 1.0f), 9.0f);
         }
 
         AZStd::string_view GetJsonForFullySetInstance() override
@@ -95,7 +95,7 @@ namespace JsonSerializationTests
         AZ::Transform expectedTransform(
             AZ::Vector3(2.25f, 3.5f, 4.75f),
             AZ::Quaternion(0.25f, 0.5f, 0.75f, 1.0f),
-            AZ::Vector3(5.5f));
+            5.5f);
 
         rapidjson::Document json;
         json.Parse(R"({ "Translation": [ 2.25, 3.5, 4.75 ], "Rotation": [ 0.25, 0.5, 0.75, 1.0 ], "Scale": 5.5 })");
@@ -112,7 +112,7 @@ namespace JsonSerializationTests
         AZ::Transform testTransform = AZ::Transform::CreateIdentity();
         AZ::Transform expectedTransform = 
             AZ::Transform::CreateFromQuaternion(AZ::Quaternion(0.25f, 0.5f, 0.75f, 1.0f));
-        expectedTransform.SetScale(AZ::Vector3(5.5f));
+        expectedTransform.SetUniformScale(5.5f);
 
         rapidjson::Document json;
         json.Parse(R"({ "Rotation": [ 0.25, 0.5, 0.75, 1.0 ], "Scale": 5.5 })");
@@ -128,7 +128,7 @@ namespace JsonSerializationTests
     {
         AZ::Transform testTransform = AZ::Transform::CreateIdentity();
         AZ::Transform expectedTransform = AZ::Transform::CreateTranslation(AZ::Vector3(2.25f, 3.5f, 4.75f));
-        expectedTransform.SetScale(AZ::Vector3(5.5f));
+        expectedTransform.SetUniformScale(5.5f);
 
         rapidjson::Document json;
         json.Parse(R"({ "Translation": [ 2.25, 3.5, 4.75 ], "Scale": 5.5 })");
@@ -189,7 +189,7 @@ namespace JsonSerializationTests
     TEST_F(JsonTransformSerializerTests, Load_FullySetTransform_ReturnsSuccessWithOnlyScale)
     {
         AZ::Transform testTransform = AZ::Transform::CreateIdentity();
-        AZ::Transform expectedTransform = AZ::Transform::CreateScale(AZ::Vector3(5.5f));
+        AZ::Transform expectedTransform = AZ::Transform::CreateUniformScale(5.5f);
 
         rapidjson::Document json;
         json.Parse(R"({ "Scale" : 5.5 })");

Code/Framework/AzCore/Tests/SettingsRegistryMergeUtilsTests.cpp

@@ -372,15 +372,15 @@ mac_remote_filesystem=0
 -- We need to know this before we establish VFS because different platform assets
 -- are stored in different root folders in the cache.  These correspond to the names
 -- In the asset processor config file.  This value also controls what config file is read
--- when you read system_xxxx_xxxx.cfg (for example, system_windows_pc.cfg or system_android_es3.cfg)
+-- when you read system_xxxx_xxxx.cfg (for example, system_windows_pc.cfg or system_android_android.cfg)
 -- by default, pc assets (in the 'pc' folder) are used, with RC being fed 'pc' as the platform
 -- by default on console we use the default assets=pc for better iteration times
 -- we should turn on console specific assets only when in release and/or testing assets and/or loading performance
 -- that way most people will not need to have 3 different caches taking up disk space
 assets = pc
-android_assets = es3
+android_assets = android
 ios_assets = ios
-mac_assets = osx_gl
+mac_assets = mac
 
 -- Add the IP address of your console to the white list that will connect to the asset processor here
 -- You can list addresses or CIDR's. CIDR's are helpful if you are using DHCP. A CIDR looks like an ip address with
@@ -438,9 +438,9 @@ mac_wait_for_connect=0
             ConfigFileParams::SettingsKeyValuePair{"/ios_remote_filesystem", AZ::s64{0}},
             ConfigFileParams::SettingsKeyValuePair{"/mac_remote_filesystem", AZ::s64{0}},
             ConfigFileParams::SettingsKeyValuePair{"/assets", AZStd::string_view{"pc"}},
-            ConfigFileParams::SettingsKeyValuePair{"/android_assets", AZStd::string_view{"es3"}},
+            ConfigFileParams::SettingsKeyValuePair{"/android_assets", AZStd::string_view{"android"}},
             ConfigFileParams::SettingsKeyValuePair{"/ios_assets", AZStd::string_view{"ios"}},
-            ConfigFileParams::SettingsKeyValuePair{"/mac_assets", AZStd::string_view{"osx_gl"}},
+            ConfigFileParams::SettingsKeyValuePair{"/mac_assets", AZStd::string_view{"mac"}},
             ConfigFileParams::SettingsKeyValuePair{"/connect_to_remote", AZ::s64{0}},
             ConfigFileParams::SettingsKeyValuePair{"/windows_connect_to_remote", AZ::s64{1}},
             ConfigFileParams::SettingsKeyValuePair{"/android_connect_to_remote", AZ::s64{0}},
@@ -478,20 +478,20 @@ test_asset_processor_tag = test_value
 [Platform pc]
 tags=tools,renderer,dx12,vulkan
 
-[Platform es3]
+[Platform android]
 tags=android,mobile,renderer,vulkan ; With Comments at the end
 
 [Platform ios]
 tags=mobile,renderer,metal
 
-[Platform osx_gl]
+[Platform mac]
 tags=tools,renderer,metal)"
         , AZStd::fixed_vector<ConfigFileParams::SettingsKeyValuePair, 20>{
             ConfigFileParams::SettingsKeyValuePair{"/test_asset_processor_tag", AZStd::string_view{"test_value"}},
             ConfigFileParams::SettingsKeyValuePair{"/Platform pc/tags", AZStd::string_view{"tools,renderer,dx12,vulkan"}},
-            ConfigFileParams::SettingsKeyValuePair{"/Platform es3/tags", AZStd::string_view{"android,mobile,renderer,vulkan"}},
+            ConfigFileParams::SettingsKeyValuePair{"/Platform android/tags", AZStd::string_view{"android,mobile,renderer,vulkan"}},
             ConfigFileParams::SettingsKeyValuePair{"/Platform ios/tags", AZStd::string_view{"mobile,renderer,metal"}},
-            ConfigFileParams::SettingsKeyValuePair{"/Platform osx_gl/tags", AZStd::string_view{"tools,renderer,metal"}},
+            ConfigFileParams::SettingsKeyValuePair{"/Platform mac/tags", AZStd::string_view{"tools,renderer,metal"}},
         }}
         )
     );

Code/Framework/AzCore/Tests/azcoretests_files.cmake

@@ -152,6 +152,7 @@ set(FILES
     Math/PlaneTests.cpp
     Math/QuaternionPerformanceTests.cpp
     Math/QuaternionTests.cpp
+    Math/RandomTests.cpp
     Math/ShapeIntersectionPerformanceTests.cpp
     Math/ShapeIntersectionTests.cpp
     Math/SfmtTests.cpp

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

@@ -679,8 +679,6 @@ namespace AzFramework
         {
             auto fileIoBase = m_archiveFileIO.get();
             // Set up the default file aliases based on the settings registry
-            fileIoBase->SetAlias("@assets@", "");
-            fileIoBase->SetAlias("@root@", GetEngineRoot());
             fileIoBase->SetAlias("@engroot@", GetEngineRoot());
             fileIoBase->SetAlias("@projectroot@", GetEngineRoot());
             fileIoBase->SetAlias("@exefolder@", GetExecutableFolder());
@@ -694,8 +692,8 @@ namespace AzFramework
                 pathAliases.clear();
                 if (m_settingsRegistry->Get(pathAliases.Native(), AZ::SettingsRegistryMergeUtils::FilePathKey_CacheRootFolder))
                 {
-                    fileIoBase->SetAlias("@projectplatformcache@", pathAliases.c_str());
                     fileIoBase->SetAlias("@assets@", pathAliases.c_str());
+                    fileIoBase->SetAlias("@projectplatformcache@", pathAliases.c_str());
                     fileIoBase->SetAlias("@root@", pathAliases.c_str()); // Deprecated Use @projectplatformcache@
                 }
                 pathAliases.clear();

Code/Framework/AzFramework/AzFramework/Archive/Archive.cpp

@@ -2008,13 +2008,12 @@ namespace AZ::IO
         // if no bind root is specified, compute one:
         strBindRoot = !bindRoot.empty() ? bindRoot : szFullPath->ParentPath().Native();
 
-        // Check if archive file disk exist on disk or inside of pak.
-        bool bFileExists = IsFileExist(szFullPath->Native());
-
-        if (!bFileExists && (nFactoryFlags & ZipDir::CacheFactory::FLAGS_READ_ONLY))
+        // Check if archive file disk exist on disk.
+        const bool pakOnDisk = FileIOBase::GetDirectInstance()->Exists(szFullPath->c_str());
+        if (!pakOnDisk && (nFactoryFlags & ZipDir::CacheFactory::FLAGS_READ_ONLY))
         {
             // Archive file not found.
-            AZ_TracePrintf("Archive", "Cannot open Archive file %s\n", szFullPath->c_str());
+            AZ_TracePrintf("Archive", "Archive file %s does not exist\n", szFullPath->c_str());
             return nullptr;
         }
 
@@ -2492,8 +2491,6 @@ namespace AZ::IO
 
     void Archive::FindCompressionInfo(bool& found, AZ::IO::CompressionInfo& info, const AZStd::string_view filename)
     {
-        constexpr uint32_t s_compressionTag = static_cast<uint32_t>('Z') << 24 | static_cast<uint32_t>('C') << 16 | static_cast<uint32_t>('R') << 8 | static_cast<uint32_t>('Y');
-
         if (!found)
         {
             auto correctedFilename = AZ::IO::FileIOBase::GetDirectInstance()->ResolvePath(filename);
@@ -2519,7 +2516,6 @@ namespace AZ::IO
                 found = true;
 
                 info.m_archiveFilename.InitFromRelativePath(archive->GetFilePath());
-                info.m_compressionTag.m_code = s_compressionTag;
                 info.m_offset = pFileData->GetFileDataOffset();
                 info.m_compressedSize = entry->desc.lSizeCompressed;
                 info.m_uncompressedSize = entry->desc.lSizeUncompressed;
@@ -2539,9 +2535,8 @@ namespace AZ::IO
                     break;
                 }
 
-                info.m_decompressor = [&s_compressionTag]([[maybe_unused]] const AZ::IO::CompressionInfo& info, const void* compressed, size_t compressedSize, void* uncompressed, size_t uncompressedBufferSize)->bool
+                info.m_decompressor = []([[maybe_unused]] const AZ::IO::CompressionInfo& info, const void* compressed, size_t compressedSize, void* uncompressed, size_t uncompressedBufferSize)->bool
                 {
-                    AZ_Assert(info.m_compressionTag.m_code == s_compressionTag, "Provided compression info isn't supported by this decompressor.");
                     size_t nSizeUncompressed = uncompressedBufferSize;
                     return ZipDir::ZipRawUncompress(uncompressed, &nSizeUncompressed, compressed, compressedSize) == 0;
                 };

Code/Framework/AzFramework/AzFramework/Archive/ArchiveFindData.cpp

@@ -50,6 +50,7 @@ namespace AZ::IO
         , tWrite{ writeTime }
     {
     }
+
     ArchiveFileIterator::ArchiveFileIterator(FindData* findData, AZStd::string_view filename, const FileDesc& fileDesc)
         : m_findData{ findData }
         , m_filename{ filename }
@@ -108,13 +109,10 @@ namespace AZ::IO
             AZ::StringFunc::Path::GetFullPath(directory.c_str(), searchDirectory);
             AZ::StringFunc::Path::GetFullFileName(directory.c_str(), pattern);
         }
-
         AZ::IO::FileIOBase::GetDirectInstance()->FindFiles(searchDirectory.c_str(), pattern.c_str(), [&](const char* filePath) -> bool
         {
             AZ::IO::FileDesc fileDesc;
-
-            AZStd::string fullFilePath;
-            AZ::StringFunc::Path::GetFullFileName(filePath, fullFilePath);
+            AZStd::string filePathEntry{filePath};
 
             if (AZ::IO::FileIOBase::GetDirectInstance()->IsDirectory(filePath))
             {
@@ -135,9 +133,8 @@ namespace AZ::IO
                 fileDesc.tAccess = fileDesc.tWrite;
                 fileDesc.tCreate = fileDesc.tWrite;
             }
-            [[maybe_unused]] auto result = m_mapFiles.emplace(AZStd::move(fullFilePath), fileDesc);
-            AZ_Assert(result.second, "Failed to insert FindData entry for %s", fullFilePath.c_str());
-
+            [[maybe_unused]] auto result = m_mapFiles.emplace(AZStd::move(filePathEntry), fileDesc);
+            AZ_Assert(result.second, "Failed to insert FindData entry for filePath %s", filePath);
             return true;
         });
     }
@@ -273,7 +270,9 @@ namespace AZ::IO
         }
 
         auto pakFileIter = m_mapFiles.begin();
-        fileIterator.m_filename = pakFileIter->first;
+        AZStd::string fullFilePath;
+        AZ::StringFunc::Path::GetFullFileName(pakFileIter->first.c_str(), fullFilePath);
+        fileIterator.m_filename = AZStd::move(fullFilePath);
         fileIterator.m_fileDesc = pakFileIter->second;
         fileIterator.m_lastFetchValid = true;
 

Code/Framework/AzFramework/AzFramework/Asset/AssetProcessorMessages.cpp

@@ -308,6 +308,56 @@ namespace AzFramework
             }
         }
 
+        //---------------------------------------------------------------------
+        GenerateRelativeSourcePathRequest::GenerateRelativeSourcePathRequest(const AZ::OSString& sourcePath)
+        {
+            AZ_Assert(!sourcePath.empty(), "GenerateRelativeSourcePathRequest: asset path is empty");
+            m_sourcePath = sourcePath;
+        }
+
+        unsigned int GenerateRelativeSourcePathRequest::GetMessageType() const
+        {
+            return MessageType;
+        }
+
+        void GenerateRelativeSourcePathRequest::Reflect(AZ::ReflectContext* context)
+        {
+            auto serialize = azrtti_cast<AZ::SerializeContext*>(context);
+            if (serialize)
+            {
+                serialize->Class<GenerateRelativeSourcePathRequest, BaseAssetProcessorMessage>()
+                    ->Version(1)
+                    ->Field("SourcePath", &GenerateRelativeSourcePathRequest::m_sourcePath);
+            }
+        }
+
+        //---------------------------------------------------------------------
+        GenerateRelativeSourcePathResponse::GenerateRelativeSourcePathResponse(
+            bool resolved, const AZ::OSString& relativeSourcePath, const AZ::OSString& rootFolder)
+        {
+            m_relativeSourcePath = relativeSourcePath;
+            m_resolved = resolved;
+            m_rootFolder = rootFolder;
+        }
+
+        unsigned int GenerateRelativeSourcePathResponse::GetMessageType() const
+        {
+            return GenerateRelativeSourcePathRequest::MessageType;
+        }
+
+        void GenerateRelativeSourcePathResponse::Reflect(AZ::ReflectContext* context)
+        {
+            auto serialize = azrtti_cast<AZ::SerializeContext*>(context);
+            if (serialize)
+            {
+                serialize->Class<GenerateRelativeSourcePathResponse, BaseAssetProcessorMessage>()
+                    ->Version(1)
+                    ->Field("RelativeSourcePath", &GenerateRelativeSourcePathResponse::m_relativeSourcePath)
+                    ->Field("RootFolder", &GenerateRelativeSourcePathResponse::m_rootFolder)
+                    ->Field("Resolved", &GenerateRelativeSourcePathResponse::m_resolved);
+            }
+        }
+
         //---------------------------------------------------------------------
         GetFullSourcePathFromRelativeProductPathRequest::GetFullSourcePathFromRelativeProductPathRequest(const AZ::OSString& relativeProductPath)
         {

Code/Framework/AzFramework/AzFramework/Asset/AssetProcessorMessages.h

@@ -288,6 +288,45 @@ namespace AzFramework
             bool m_resolved;
         };
 
+        //////////////////////////////////////////////////////////////////////////
+        class GenerateRelativeSourcePathRequest : public BaseAssetProcessorMessage
+        {
+        public:
+            AZ_CLASS_ALLOCATOR(GenerateRelativeSourcePathRequest, AZ::OSAllocator, 0);
+            AZ_RTTI(GenerateRelativeSourcePathRequest, "{B3865033-F5A3-4749-8147-7B1AB04D5F6D}",
+                BaseAssetProcessorMessage);
+            static void Reflect(AZ::ReflectContext* context);
+
+            // For people that are debugging the network messages and just see MessageType as a value,
+            // the CRC value below is 739777771 (0x2C181CEB)
+            static constexpr unsigned int MessageType =
+                AZ_CRC_CE("AssetSystem::GenerateRelativeSourcePathRequest");
+
+            GenerateRelativeSourcePathRequest() = default;
+            GenerateRelativeSourcePathRequest(const AZ::OSString& sourcePath);
+            unsigned int GetMessageType() const override;
+
+            AZ::OSString m_sourcePath;
+        };
+
+        class GenerateRelativeSourcePathResponse : public BaseAssetProcessorMessage
+        {
+        public:
+            AZ_CLASS_ALLOCATOR(GenerateRelativeSourcePathResponse, AZ::OSAllocator, 0);
+            AZ_RTTI(GenerateRelativeSourcePathResponse, "{938D33DB-C8F6-4FA4-BC81-2F139A9BE1D7}",
+                BaseAssetProcessorMessage);
+            static void Reflect(AZ::ReflectContext* context);
+
+            GenerateRelativeSourcePathResponse() = default;
+            GenerateRelativeSourcePathResponse(
+                bool resolved, const AZ::OSString& relativeSourcePath, const AZ::OSString& rootFolder);
+            unsigned int GetMessageType() const override;
+
+            AZ::OSString m_relativeSourcePath;
+            AZ::OSString m_rootFolder; ///< This is the folder it was found in (the watched/scanned folder, such as gems /assets/ folder)
+            bool m_resolved;
+        };
+
         //////////////////////////////////////////////////////////////////////////
         class GetFullSourcePathFromRelativeProductPathRequest
             : public BaseAssetProcessorMessage

Code/Framework/AzFramework/AzFramework/Asset/AssetSystemComponent.cpp

@@ -202,6 +202,7 @@ namespace AzFramework
             // Requests
             GetUnresolvedDependencyCountsRequest::Reflect(context);
             GetRelativeProductPathFromFullSourceOrProductPathRequest::Reflect(context);
+            GenerateRelativeSourcePathRequest::Reflect(context);
             GetFullSourcePathFromRelativeProductPathRequest::Reflect(context);
             SourceAssetInfoRequest::Reflect(context);
             AssetInfoRequest::Reflect(context);
@@ -234,6 +235,7 @@ namespace AzFramework
             // Responses
             GetUnresolvedDependencyCountsResponse::Reflect(context);
             GetRelativeProductPathFromFullSourceOrProductPathResponse::Reflect(context);
+            GenerateRelativeSourcePathResponse::Reflect(context);
             GetFullSourcePathFromRelativeProductPathResponse::Reflect(context);
             SourceAssetInfoResponse::Reflect(context);
             AssetInfoResponse::Reflect(context);

Code/Framework/AzFramework/AzFramework/Components/ComponentAdapter.h

@@ -1,22 +1,22 @@
 /*
-* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
-* its licensors.
-*
-* For complete copyright and license terms please see the LICENSE at the root of this
-* distribution (the "License"). All use of this software is governed by the License,
-* or, if provided, by the license below or the license accompanying this file. Do not
-* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-*
-*/
+ * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+ * its licensors.
+ *
+ * For complete copyright and license terms please see the LICENSE at the root of this
+ * distribution (the "License"). All use of this software is governed by the License,
+ * or, if provided, by the license below or the license accompanying this file. Do not
+ * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ */
 
 #pragma once
 
 #include <AzCore/Component/Component.h>
 #include <AzCore/RTTI/RTTI.h>
-#include <AzCore/Serialization/SerializeContext.h>
 #include <AzCore/Serialization/EditContext.h>
 #include <AzCore/Serialization/EditContextConstants.inl>
+#include <AzCore/Serialization/SerializeContext.h>
 
 namespace AzFramework
 {
@@ -64,15 +64,13 @@ namespace AzFramework
         the EditContext. TController can friend itself to the editor component to make this work if required.
     */
         template<typename TController, typename TConfiguration = AZ::ComponentConfig>
-        class ComponentAdapter
-            : public AZ::Component
+        class ComponentAdapter : public AZ::Component
         {
         public:
-
             AZ_RTTI((ComponentAdapter, "{644A9187-4FDB-42C1-9D59-DD75304B551A}", TController, TConfiguration), AZ::Component);
 
             ComponentAdapter() = default;
-            ComponentAdapter(const TConfiguration& configuration);
+            explicit ComponentAdapter(const TConfiguration& configuration);
 
             static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& services);
             static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& services);
@@ -85,7 +83,6 @@ namespace AzFramework
             void Deactivate() override;
 
         protected:
-
             static void Reflect(AZ::ReflectContext* context);
 
             // AZ::Component overrides ...

Code/Framework/AzFramework/AzFramework/Components/ComponentAdapter.inl

@@ -1,14 +1,14 @@
 /*
-* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
-* its licensors.
-*
-* For complete copyright and license terms please see the LICENSE at the root of this
-* distribution (the "License"). All use of this software is governed by the License,
-* or, if provided, by the license below or the license accompanying this file. Do not
-* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-*
-*/
+ * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+ * its licensors.
+ *
+ * For complete copyright and license terms please see the LICENSE at the root of this
+ * distribution (the "License"). All use of this software is governed by the License,
+ * or, if provided, by the license below or the license accompanying this file. Do not
+ * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ */
 
 #include <AzFramework/Components/ComponentAdapterHelpers.h>
 
@@ -32,10 +32,12 @@ namespace AzFramework
 
             if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
             {
+                // clang-format off
                 serializeContext->Class<ComponentAdapter, Component>()
                     ->Version(1)
                     ->Field("Controller", &ComponentAdapter::m_controller)
                     ;
+                // clang-format on
             }
         }
 
@@ -66,9 +68,6 @@ namespace AzFramework
             GetDependentServicesHelper<TController>(services, typename AZ::HasComponentDependentServices<TController>::type());
         }
 
-        //////////////////////////////////////////////////////////////////////////
-        // AZ::Component interface implementation
-
         template<typename TController, typename TConfiguration>
         void ComponentAdapter<TController, TConfiguration>::Init()
         {
@@ -78,7 +77,7 @@ namespace AzFramework
         template<typename TController, typename TConfiguration>
         void ComponentAdapter<TController, TConfiguration>::Activate()
         {
-            m_controller.Activate(GetEntityId());
+            ComponentActivateHelper<TController>::Activate(m_controller, AZ::EntityComponentIdPair(GetEntityId(), GetId()));
         }
 
         template<typename TController, typename TConfiguration>

Code/Framework/AzFramework/AzFramework/Components/ComponentAdapterHelpers.h

@@ -13,6 +13,7 @@
 #pragma once
 
 #include <AzCore/Component/Component.h>
+#include <AzCore/Component/EntityBus.h>
 
 namespace AzFramework
 {
@@ -27,18 +28,43 @@ namespace AzFramework
         template<typename T, typename = void>
         struct ComponentInitHelper
         {
-            static void Init(T& common)
+            static void Init([[maybe_unused]] T& controller)
             {
-                AZ_UNUSED(common);
             }
         };
 
         template<typename T>
         struct ComponentInitHelper<T, AZStd::void_t<decltype(AZStd::declval<T>().Init())>>
         {
-            static void Init(T& common)
+            static void Init(T& controller)
             {
-                common.Init();
+                controller.Init();
+            }
+        };
+
+        template<typename T, typename = void>
+        struct ComponentActivateHelper
+        {
+            static void Activate([[maybe_unused]] T& controller, [[maybe_unused]] const AZ::EntityComponentIdPair& entityComponentIdPair)
+            {
+            }
+        };
+
+        template<typename T>
+        struct ComponentActivateHelper<T, AZStd::void_t<decltype(AZStd::declval<T>().Activate(AZ::EntityId()))>>
+        {
+            static void Activate(T& controller, const AZ::EntityComponentIdPair& entityComponentIdPair)
+            {
+                controller.Activate(entityComponentIdPair.GetEntityId());
+            }
+        };
+
+        template<typename T>
+        struct ComponentActivateHelper<T, AZStd::void_t<decltype(AZStd::declval<T>().Activate(AZ::EntityComponentIdPair()))>>
+        {
+            static void Activate(T& controller, const AZ::EntityComponentIdPair& entityComponentIdPair)
+            {
+                controller.Activate(entityComponentIdPair);
             }
         };
 

Code/Framework/AzFramework/AzFramework/Components/TransformComponent.cpp

@@ -327,99 +327,13 @@ namespace AzFramework
         return localZ;
     }
 
-    void TransformComponent::SetRotation(const AZ::Vector3& eulerAnglesRadian)
+    void TransformComponent::SetWorldRotationQuaternion(const AZ::Quaternion& quaternion)
     {
-        AZ_Warning("TransformComponent", false, "SetRotation is deprecated, please use SetLocalRotation");
-
-        AZ::Transform newWorldTransform = m_worldTM;
-        newWorldTransform.SetRotation(AZ::ConvertEulerRadiansToQuaternion(eulerAnglesRadian));
-        SetWorldTM(newWorldTransform);
-    }
-
-    void TransformComponent::SetRotationQuaternion(const AZ::Quaternion& quaternion)
-    {
-        AZ_Warning("TransformComponent", false, "SetRotationQuaternion is deprecated, please use SetLocalRotationQuaternion");
-
         AZ::Transform newWorldTransform = m_worldTM;
         newWorldTransform.SetRotation(quaternion);
         SetWorldTM(newWorldTransform);
     }
 
-    void TransformComponent::SetRotationX(float eulerAngleRadian)
-    {
-        AZ_Warning("TransformComponent", false, "SetRotationX is deprecated, please use SetLocalRotation");
-
-        AZ::Transform newWorldTransform = m_worldTM;
-        newWorldTransform.SetRotation(AZ::Quaternion::CreateRotationX(eulerAngleRadian));
-        SetWorldTM(newWorldTransform);
-    }
-
-    void TransformComponent::SetRotationY(float eulerAngleRadian)
-    {
-        AZ_Warning("TransformComponent", false, "SetRotationY is deprecated, please use SetLocalRotation");
-
-        AZ::Transform newWorldTransform = m_worldTM;
-        newWorldTransform.SetRotation(AZ::Quaternion::CreateRotationY(eulerAngleRadian));
-        SetWorldTM(newWorldTransform);
-    }
-
-    void TransformComponent::SetRotationZ(float eulerAngleRadian)
-    {
-        AZ_Warning("TransformComponent", false, "SetRotationZ is deprecated, please use SetLocalRotation");
-
-        AZ::Transform newWorldTransform = m_worldTM;
-        newWorldTransform.SetRotation(AZ::Quaternion::CreateRotationZ(eulerAngleRadian));
-        SetWorldTM(newWorldTransform);
-    }
-
-    void TransformComponent::RotateByX(float eulerAngleRadian)
-    {
-        AZ_Warning("TransformComponent", false, "RotateByX is deprecated, please use RotateAroundLocalX");
-        RotateAroundLocalX(eulerAngleRadian);
-    }
-
-    void TransformComponent::RotateByY(float eulerAngleRadian)
-    {
-        AZ_Warning("TransformComponent", false, "RotateByY is deprecated, please use RotateAroundLocalY");
-        RotateAroundLocalY(eulerAngleRadian);
-    }
-
-    void TransformComponent::RotateByZ(float eulerAngleRadian)
-    {
-        AZ_Warning("TransformComponent", false, "RotateByZ is deprecated, please use RotateAroundLocalZ");
-        RotateAroundLocalZ(eulerAngleRadian);
-    }
-
-    AZ::Vector3 TransformComponent::GetRotationEulerRadians()
-    {
-        AZ_Warning("TransformComponent", false, "GetRotationEulerRadians is deprecated, please use GetWorldRotation");
-        return m_worldTM.GetRotation().GetEulerRadians();
-    }
-
-    AZ::Quaternion TransformComponent::GetRotationQuaternion()
-    {
-        AZ_Warning("TransformComponent", false, "GetRotationQuaternion is deprecated, please use GetWorldRotationQuaternion");
-        return m_worldTM.GetRotation();
-    }
-
-    float TransformComponent::GetRotationX()
-    {
-        AZ_Warning("TransformComponent", false, "GetRotationX is deprecated, please use GetWorldRotation");
-        return GetRotationEulerRadians().GetX();
-    }
-
-    float TransformComponent::GetRotationY()
-    {
-        AZ_Warning("TransformComponent", false, "GetRotationY is deprecated, please use GetWorldRotation");
-        return GetRotationEulerRadians().GetY();
-    }
-
-    float TransformComponent::GetRotationZ()
-    {
-        AZ_Warning("TransformComponent", false, "GetRotationZ is deprecated, please use GetWorldRotation");
-        return GetRotationEulerRadians().GetZ();
-    }
-
     AZ::Vector3 TransformComponent::GetWorldRotation()
     {
         return m_worldTM.GetRotation().GetEulerRadians();
@@ -432,46 +346,26 @@ namespace AzFramework
 
     void TransformComponent::SetLocalRotation(const AZ::Vector3& eulerRadianAngles)
     {
-        AZ::Transform newLocalTM = AZ::ConvertEulerRadiansToTransform(eulerRadianAngles);
-        newLocalTM.SetScale(m_localTM.GetScale());
-        newLocalTM.SetTranslation(m_localTM.GetTranslation());
+        AZ::Transform newLocalTM = m_localTM;
+        newLocalTM.SetRotation(AZ::Quaternion::CreateFromEulerAnglesRadians(eulerRadianAngles));
         SetLocalTM(newLocalTM);
     }
 
     void TransformComponent::SetLocalRotationQuaternion(const AZ::Quaternion& quaternion)
     {
-        AZ::Transform newLocalTM;
-        newLocalTM.SetScale(m_localTM.GetScale());
-        newLocalTM.SetTranslation(m_localTM.GetTranslation());
+        AZ::Transform newLocalTM = m_localTM;
         newLocalTM.SetRotation(quaternion);
         SetLocalTM(newLocalTM);
     }
 
     static AZ::Transform RotateAroundLocalHelper(float eulerAngleRadian, const AZ::Transform& localTM, AZ::Vector3 axis)
     {
-        //get the existing translation and scale
-        AZ::Vector3 translation = localTM.GetTranslation();
-        AZ::Vector3 scale = localTM.GetScale();
-
         //normalize the axis before creating rotation
         axis.Normalize();
         AZ::Quaternion rotate = AZ::Quaternion::CreateFromAxisAngle(axis, eulerAngleRadian);
 
-        //create new rotation transform
-        AZ::Quaternion currentRotate = localTM.GetRotation();
-        AZ::Quaternion newRotate = rotate * currentRotate;
-        newRotate.Normalize();
-
-        //scale
-        AZ::Transform newLocalTM = AZ::Transform::CreateScale(scale);
-
-        //rotate
-        AZ::Transform rotateLocalTM = AZ::Transform::CreateFromQuaternion(newRotate);
-        newLocalTM = rotateLocalTM * newLocalTM;
-
-        //translate
-        newLocalTM.SetTranslation(translation);
-
+        AZ::Transform newLocalTM = localTM;
+        newLocalTM.SetRotation((rotate * localTM.GetRotation()).GetNormalized());
         return newLocalTM;
     }
 
@@ -512,117 +406,27 @@ namespace AzFramework
         return m_localTM.GetRotation();
     }
 
-    void TransformComponent::SetScale(const AZ::Vector3& scale)
-    {
-        AZ_Warning("TransformComponent", false, "SetScale is deprecated, please use SetLocalScale");
-
-        if (!m_worldTM.GetScale().IsClose(scale))
-        {
-            AZ::Transform newWorldTransform = m_worldTM;
-            newWorldTransform.SetScale(scale);
-            SetWorldTM(newWorldTransform);
-        }
-    }
-
-    void TransformComponent::SetScaleX(float scaleX)
-    {
-        AZ_Warning("TransformComponent", false, "SetScaleX is deprecated, please use SetLocalScaleX");
-
-        AZ::Vector3 newScale = m_worldTM.GetScale();
-        newScale.SetX(scaleX);
-        AZ::Transform newWorldTransform = m_worldTM;
-        newWorldTransform.SetScale(newScale);
-        SetWorldTM(newWorldTransform);
-    }
-
-    void TransformComponent::SetScaleY(float scaleY)
-    {
-        AZ_Warning("TransformComponent", false, "SetScaleY is deprecated, please use SetLocalScaleY");
-
-        AZ::Vector3 newScale = m_worldTM.GetScale();
-        newScale.SetY(scaleY);
-        AZ::Transform newWorldTransform = m_worldTM;
-        newWorldTransform.SetScale(newScale);
-        SetWorldTM(newWorldTransform);
-    }
-
-    void TransformComponent::SetScaleZ(float scaleZ)
-    {
-        AZ_Warning("TransformComponent", false, "SetScaleZ is deprecated, please use SetLocalScaleZ");
-
-        AZ::Vector3 newScale = m_worldTM.GetScale();
-        newScale.SetZ(scaleZ);
-        AZ::Transform newWorldTransform = m_worldTM;
-        newWorldTransform.SetScale(newScale);
-        SetWorldTM(newWorldTransform);
-    }
-
-    AZ::Vector3 TransformComponent::GetScale()
-    {
-        AZ_Warning("TransformComponent", false, "GetScale is deprecated, please use GetLocalScale");
-        return m_worldTM.GetScale();
-    }
-
-    float TransformComponent::GetScaleX()
-    {
-        AZ_Warning("TransformComponent", false, "GetScaleX is deprecated, please use GetLocalScale");
-        return m_worldTM.GetScale().GetX();
-    }
-
-    float TransformComponent::GetScaleY()
-    {
-        AZ_Warning("TransformComponent", false, "GetScaleY is deprecated, please use GetLocalScale");
-        return m_worldTM.GetScale().GetY();
-    }
-
-    float TransformComponent::GetScaleZ()
-    {
-        AZ_Warning("TransformComponent", false, "GetScaleZ is deprecated, please use GetLocalScale");
-        return m_worldTM.GetScale().GetZ();
-    }
-
-    void TransformComponent::SetLocalScale(const AZ::Vector3& scale)
-    {
-        AZ::Transform newLocalTM = m_localTM;
-        newLocalTM.SetScale(scale);
-        SetLocalTM(newLocalTM);
-    }
-
-    void TransformComponent::SetLocalScaleX(float scaleX)
-    {
-        AZ::Transform newLocalTM = m_localTM;
-        AZ::Vector3 newScale = newLocalTM.GetScale();
-        newScale.SetX(scaleX);
-        newLocalTM.SetScale(newScale);
-        SetLocalTM(newLocalTM);
-    }
-
-    void TransformComponent::SetLocalScaleY(float scaleY)
-    {
-        AZ::Transform newLocalTM = m_localTM;
-        AZ::Vector3 newScale = newLocalTM.GetScale();
-        newScale.SetY(scaleY);
-        newLocalTM.SetScale(newScale);
-        SetLocalTM(newLocalTM);
-    }
-
-    void TransformComponent::SetLocalScaleZ(float scaleZ)
-    {
-        AZ::Transform newLocalTM = m_localTM;
-        AZ::Vector3 newScale = newLocalTM.GetScale();
-        newScale.SetZ(scaleZ);
-        newLocalTM.SetScale(newScale);
-        SetLocalTM(newLocalTM);
-    }
-
     AZ::Vector3 TransformComponent::GetLocalScale()
     {
-        return m_localTM.GetScale();
+        AZ_WarningOnce("TransformComponent", false, "GetLocalScale is deprecated, please use GetLocalUniformScale instead");
+        return AZ::Vector3(m_localTM.GetUniformScale());
     }
 
-    AZ::Vector3 TransformComponent::GetWorldScale()
+    void TransformComponent::SetLocalUniformScale(float scale)
     {
-        return m_worldTM.GetScale();
+        AZ::Transform newLocalTM = m_localTM;
+        newLocalTM.SetUniformScale(scale);
+        SetLocalTM(newLocalTM);
+    }
+
+    float TransformComponent::GetLocalUniformScale()
+    {
+        return m_localTM.GetUniformScale();
+    }
+
+    float TransformComponent::GetWorldUniformScale()
+    {
+        return m_worldTM.GetUniformScale();
     }
 
     AZStd::vector<AZ::EntityId> TransformComponent::GetChildren()
@@ -929,45 +733,7 @@ namespace AzFramework
                 ->Event("GetLocalX", &AZ::TransformBus::Events::GetLocalX)
                 ->Event("GetLocalY", &AZ::TransformBus::Events::GetLocalY)
                 ->Event("GetLocalZ", &AZ::TransformBus::Events::GetLocalZ)
-                ->Event("RotateByX", &AZ::TransformBus::Events::RotateByX)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("RotateByY", &AZ::TransformBus::Events::RotateByY)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("RotateByZ", &AZ::TransformBus::Events::RotateByZ)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetEulerRotation", &AZ::TransformBus::Events::SetRotation)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetRotationQuaternion", &AZ::TransformBus::Events::SetRotationQuaternion)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetRotationX", &AZ::TransformBus::Events::SetRotationX)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetRotationY", &AZ::TransformBus::Events::SetRotationY)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetRotationZ", &AZ::TransformBus::Events::SetRotationZ)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetEulerRotation", &AZ::TransformBus::Events::GetRotationEulerRadians)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetRotationQuaternion", &AZ::TransformBus::Events::GetRotationQuaternion)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetRotationX", &AZ::TransformBus::Events::GetRotationX)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                   ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetRotationY", &AZ::TransformBus::Events::GetRotationY)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetRotationZ", &AZ::TransformBus::Events::GetRotationZ)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
+                ->Event("SetWorldRotationQuaternion", &AZ::TransformBus::Events::SetWorldRotationQuaternion)
                 ->Event("GetWorldRotation", &AZ::TransformBus::Events::GetWorldRotation)
                 ->Event("GetWorldRotationQuaternion", &AZ::TransformBus::Events::GetWorldRotationQuaternion)
                 ->Event("SetLocalRotation", &AZ::TransformBus::Events::SetLocalRotation)
@@ -979,38 +745,11 @@ namespace AzFramework
                 ->Event("GetLocalRotationQuaternion", &AZ::TransformBus::Events::GetLocalRotationQuaternion)
                     ->Attribute("Rotation", AZ::Edit::Attributes::PropertyRotation)
                 ->VirtualProperty("Rotation", "GetLocalRotationQuaternion", "SetLocalRotationQuaternion")
-                ->Event("SetScale", &AZ::TransformBus::Events::SetScale)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetScaleX", &AZ::TransformBus::Events::SetScaleX)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetScaleY", &AZ::TransformBus::Events::SetScaleY)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetScaleZ", &AZ::TransformBus::Events::SetScaleZ)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetScale", &AZ::TransformBus::Events::GetScale)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetScaleX", &AZ::TransformBus::Events::GetScaleX)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetScaleY", &AZ::TransformBus::Events::GetScaleY)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("GetScaleZ", &AZ::TransformBus::Events::GetScaleZ)
-                    ->Attribute(AZ::Script::Attributes::Deprecated, true)
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("SetLocalScale", &AZ::TransformBus::Events::SetLocalScale)
-                ->Event("SetLocalScaleX", &AZ::TransformBus::Events::SetLocalScaleX)
-                ->Event("SetLocalScaleY", &AZ::TransformBus::Events::SetLocalScaleY)
-                ->Event("SetLocalScaleZ", &AZ::TransformBus::Events::SetLocalScaleZ)
                 ->Event("GetLocalScale", &AZ::TransformBus::Events::GetLocalScale)
                     ->Attribute("Scale", AZ::Edit::Attributes::PropertyScale)
-                ->VirtualProperty("Scale", "GetLocalScale", "SetLocalScale")
-                ->Event("GetWorldScale", &AZ::TransformBus::Events::GetWorldScale)
+                ->Event("SetLocalUniformScale", &AZ::TransformBus::Events::SetLocalUniformScale)
+                ->Event("GetLocalUniformScale", &AZ::TransformBus::Events::GetLocalUniformScale)
+                ->VirtualProperty("Uniform Scale", "GetLocalUniformScale", "SetLocalUniformScale")
                 ->Event("GetChildren", &AZ::TransformBus::Events::GetChildren)
                 ->Event("GetAllDescendants", &AZ::TransformBus::Events::GetAllDescendants)
                 ->Event("GetEntityAndAllDescendants", &AZ::TransformBus::Events::GetEntityAndAllDescendants)

Code/Framework/AzFramework/AzFramework/Components/TransformComponent.h

@@ -112,22 +112,7 @@ namespace AzFramework
         float GetLocalZ() override;
 
         // Rotation modifiers
-        void SetRotation(const AZ::Vector3& eulerAnglesRadian) override;
-        void SetRotationQuaternion(const AZ::Quaternion& quaternion) override;
-        void SetRotationX(float eulerAngleRadian) override;
-        void SetRotationY(float eulerAngleRadian) override;
-        void SetRotationZ(float eulerAngleRadian) override;
-
-        void RotateByX(float eulerAngleRadian) override;
-        void RotateByY(float eulerAngleRadian) override;
-        void RotateByZ(float eulerAngleRadian) override;
-
-        AZ::Vector3 GetRotationEulerRadians() override;
-        AZ::Quaternion GetRotationQuaternion() override;
-
-        float GetRotationX() override;
-        float GetRotationY() override;
-        float GetRotationZ() override;
+        void SetWorldRotationQuaternion(const AZ::Quaternion& quaternion) override;
 
         AZ::Vector3 GetWorldRotation() override;
         AZ::Quaternion GetWorldRotationQuaternion() override;
@@ -143,23 +128,11 @@ namespace AzFramework
         AZ::Quaternion GetLocalRotationQuaternion() override;
 
         // Scale Modifiers
-        void SetScale(const AZ::Vector3& scale) override;
-        void SetScaleX(float scaleX) override;
-        void SetScaleY(float scaleY) override;
-        void SetScaleZ(float scaleZ) override;
-
-        AZ::Vector3 GetScale() override;
-        float GetScaleX() override;
-        float GetScaleY() override;
-        float GetScaleZ() override;
-
-        void SetLocalScale(const AZ::Vector3& scale) override;
-        void SetLocalScaleX(float scaleX) override;
-        void SetLocalScaleY(float scaleY) override;
-        void SetLocalScaleZ(float scaleZ) override;
-
         AZ::Vector3 GetLocalScale() override;
-        AZ::Vector3 GetWorldScale() override;
+
+        void SetLocalUniformScale(float scale) override;
+        float GetLocalUniformScale() override;
+        float GetWorldUniformScale() override;
 
         // Transform hierarchy
         AZStd::vector<AZ::EntityId> GetChildren() override;

Code/Framework/AzFramework/AzFramework/Entity/EntityDebugDisplayBus.h

@@ -60,6 +60,7 @@ namespace AzFramework
         virtual void DrawTrianglesIndexed(const AZStd::vector<AZ::Vector3>& vertices, const AZStd::vector<AZ::u32>& indices, const AZ::Color& color) { (void)vertices; (void)indices, (void)color; }
         virtual void DrawWireBox(const AZ::Vector3& min, const AZ::Vector3& max) { (void)min; (void)max; }
         virtual void DrawSolidBox(const AZ::Vector3& min, const AZ::Vector3& max) { (void)min; (void)max; }
+        virtual void DrawWireOBB(const AZ::Vector3& center, const AZ::Vector3& axisX, const AZ::Vector3& axisY, const AZ::Vector3& axisZ, const AZ::Vector3& halfExtents) { (void)center; (void)axisX; (void)axisY; (void)axisZ; (void)halfExtents; }
         virtual void DrawSolidOBB(const AZ::Vector3& center, const AZ::Vector3& axisX, const AZ::Vector3& axisY, const AZ::Vector3& axisZ, const AZ::Vector3& halfExtents) { (void)center; (void)axisX; (void)axisY; (void)axisZ; (void)halfExtents; }
         virtual void DrawPoint(const AZ::Vector3& p, int nSize = 1) { (void)p; (void)nSize; }
         virtual void DrawLine(const AZ::Vector3& p1, const AZ::Vector3& p2) { (void)p1; (void)p2; }
@@ -70,18 +71,15 @@ namespace AzFramework
         virtual void DrawLine2d(const AZ::Vector2& p1, const AZ::Vector2& p2, float z) { (void)p1; (void)p2; (void)z; }
         virtual void DrawLine2dGradient(const AZ::Vector2& p1, const AZ::Vector2& p2, float z, const AZ::Vector4& firstColor, const AZ::Vector4& secondColor) { (void)p1; (void)p2; (void)z; (void)firstColor; (void)secondColor; }
         virtual void DrawWireCircle2d(const AZ::Vector2& center, float radius, float z) { (void)center; (void)radius; (void)z; }
-        virtual void DrawTerrainCircle(const AZ::Vector3& worldPos, float radius, float height) { (void)worldPos; (void)radius; (void)height; }
-        virtual void DrawTerrainCircle(const AZ::Vector3& center, float radius, float angle1, float angle2, float height) { (void)center; (void)radius; (void)angle1; (void)angle2; (void)height; }
         virtual void DrawArc(const AZ::Vector3& pos, float radius, float startAngleDegrees, float sweepAngleDegrees, float angularStepDegrees, int referenceAxis = 2) { (void)pos; (void)radius; (void)startAngleDegrees; (void)sweepAngleDegrees; (void)angularStepDegrees; (void)referenceAxis; }
         virtual void DrawArc(const AZ::Vector3& pos, float radius, float startAngleDegrees, float sweepAngleDegrees, float angularStepDegrees, const AZ::Vector3& fixedAxis) { (void)pos; (void)radius; (void)startAngleDegrees; (void)sweepAngleDegrees; (void)angularStepDegrees; (void)fixedAxis; }
         virtual void DrawCircle(const AZ::Vector3& pos, float radius, int nUnchangedAxis = 2 /*z axis*/) { (void)pos; (void)radius; (void)nUnchangedAxis; }
         virtual void DrawHalfDottedCircle(const AZ::Vector3& pos, float radius, const AZ::Vector3& viewPos, int nUnchangedAxis = 2 /*z axis*/) { (void)pos; (void)radius; (void)viewPos; (void)nUnchangedAxis; }
-        virtual void DrawCone(const AZ::Vector3& pos, const AZ::Vector3& dir, float radius, float height, bool drawShaded = true) { (void)pos; (void)dir; (void)radius; (void)height; (void)drawShaded; }
+        virtual void DrawWireCone(const AZ::Vector3& pos, const AZ::Vector3& dir, float radius, float height) { (void)pos; (void)dir; (void)radius; (void)height; }
+        virtual void DrawSolidCone(const AZ::Vector3& pos, const AZ::Vector3& dir, float radius, float height, bool drawShaded = true) { (void)pos; (void)dir; (void)radius; (void)height; (void)drawShaded; }
         virtual void DrawWireCylinder(const AZ::Vector3& center, const AZ::Vector3& axis, float radius, float height) { (void)center; (void)axis; (void)radius; (void)height; }
         virtual void DrawSolidCylinder(const AZ::Vector3& center, const AZ::Vector3& axis, float radius, float height, bool drawShaded = true) { (void)center; (void)axis; (void)radius; (void)height; (void)drawShaded; }
         virtual void DrawWireCapsule(const AZ::Vector3& center, const AZ::Vector3& axis, float radius, float heightStraightSection) { (void)center; (void)axis; (void)radius; (void)heightStraightSection; }
-        virtual void DrawTerrainRect(float x1, float y1, float x2, float y2, float height) { (void)x1; (void)y1; (void)x2; (void)y2; (void)height; }
-        virtual void DrawTerrainLine(AZ::Vector3 worldPos1, AZ::Vector3 worldPos2) { (void)worldPos1; (void)worldPos2; }
         virtual void DrawWireSphere(const AZ::Vector3& pos, float radius) { (void)pos; (void)radius; }
         virtual void DrawWireSphere(const AZ::Vector3& pos, const AZ::Vector3 radius) { (void)pos; (void)radius; }
         virtual void DrawWireDisk(const AZ::Vector3& pos, const AZ::Vector3& dir, float radius) { (void)pos; (void)dir; (void)radius; }
@@ -91,11 +89,8 @@ namespace AzFramework
         virtual void DrawTextLabel(const AZ::Vector3& pos, float size, const char* text, const bool bCenter = false, int srcOffsetX = 0, int srcOffsetY = 0) { (void)pos; (void)size; (void)text; (void)bCenter; (void)srcOffsetX; (void)srcOffsetY; }
         virtual void Draw2dTextLabel(float x, float y, float size, const char* text, bool bCenter = false) { (void)x; (void)y; (void)size; (void)text; (void)bCenter; }
         virtual void DrawTextOn2DBox(const AZ::Vector3& pos, const char* text, float textScale, const AZ::Vector4& TextColor, const AZ::Vector4& TextBackColor) { (void)pos; (void)text; (void)textScale; (void)TextColor; (void)TextBackColor; }
-        virtual void DrawTextureLabel(ITexture* texture, const AZ::Vector3& pos, float sizeX, float sizeY, int texIconFlags) { (void)texture; (void)pos; (void)sizeX; (void)sizeY; (void)texIconFlags; }
-        virtual void DrawTextureLabel(int textureId, const AZ::Vector3& pos, float sizeX, float sizeY, int texIconFlags) { (void)textureId; (void)pos; (void)sizeX; (void)sizeY; (void)texIconFlags; }
         virtual void SetLineWidth(float width) { (void)width; }
         virtual bool IsVisible(const AZ::Aabb& bounds) { (void)bounds; return false; }
-        virtual int SetFillMode(int nFillMode) { (void)nFillMode; return 0; }
         virtual float GetLineWidth() { return 0.0f; }
         virtual float GetAspectRatio() { return 0.0f; }
         virtual void DepthTestOff() {}

Code/Framework/AzFramework/AzFramework/Font/FontInterface.h

@@ -15,6 +15,7 @@
 #include <AzCore/RTTI/RTTI.h>
 #include <AzCore/Math/Vector2.h>
 #include <AzCore/Math/Color.h>
+#include <AzCore/Math/Matrix3x4.h>
 #include <AzCore/std/string/string_view.h>
 #include <AzFramework/Viewport/ViewportId.h>
 
@@ -42,14 +43,18 @@ namespace AzFramework
     {
         ViewportId m_drawViewportId = InvalidViewportId; //!< Viewport to draw into
         AZ::Vector3 m_position; //!< world space position for 3d draws, screen space x,y,depth for 2d.
-        AZ::Color   m_color = AZ::Colors::White; //!< Color to draw the text
+        AZ::Color m_color = AZ::Colors::White; //!< Color to draw the text
+        unsigned int m_effectIndex = 0; //!< effect index to apply
         AZ::Vector2 m_scale = AZ::Vector2(1.0f); //!< font scale
-        float       m_lineSpacing; //!< Spacing between new lines, as a percentage of m_scale.
+        float m_textSizeFactor = 12.0f; //!< font size in pixels
+        float m_lineSpacing = 1.0f; //!< Spacing between new lines, as a percentage of m_scale.
         TextHorizontalAlignment m_hAlign = TextHorizontalAlignment::Left; //!< Horizontal text alignment
         TextVerticalAlignment m_vAlign = TextVerticalAlignment::Top; //!< Vertical text alignment
+        bool m_useTransform = false; //!< Use specified transform
+        AZ::Matrix3x4 m_transform = AZ::Matrix3x4::Identity(); //!< Transform to apply to text quads
         bool m_monospace = false; //!< disable character proportional spacing
         bool m_depthTest = false; //!< Test character against the depth buffer
-        bool m_virtual800x600ScreenSize = true; //!< Text placement and size are scaled relative to a virtual 800x600 resolution
+        bool m_virtual800x600ScreenSize = false; //!< Text placement and size are scaled relative to a virtual 800x600 resolution
         bool m_scaleWithWindow = false; //!< Font gets bigger as the window gets bigger
         bool m_multiline = true; //!< text respects ascii newline characters
     };

Code/Framework/AzFramework/AzFramework/Physics/ClassConverters.cpp

@@ -259,11 +259,18 @@ namespace Physics
 
                 if (success)
                 {
-                    success = success && dataElement.RemoveElementByName(AZ_CRC("MaterialId", 0x9360e002));
+                    dataElement.RemoveElementByName(AZ_CRC("MaterialId", 0x9360e002));
+                    success = success && (dataElement.FindElement(AZ_CRC("MaterialId", 0x9360e002)) < 0);
                     success = success && dataElement.AddElementWithData(context, "MaterialIds", AZStd::vector<Physics::MaterialId> { materialId });
                 }
             }
 
+            if (success && dataElement.GetVersion() <= 2)
+            {
+                dataElement.RemoveElementByName(AZ_CRC_CE("Material"));
+                success = success && (dataElement.FindElement(AZ_CRC_CE("Material")) < 0);
+            }
+
             return success;
         }
     } // namespace ClassConverters

Code/Framework/AzFramework/AzFramework/Physics/Common/PhysicsEvents.h

@@ -58,9 +58,18 @@ namespace AzPhysics
         //! When triggered will send the handle to the old Scene (after this call, the Handle will be invalid).
         using OnSceneRemovedEvent = AZ::Event<AzPhysics::SceneHandle>;
 
-        //! Event that triggers when the default material library changes.
+        //! Event that triggers when the material library changes.
         //! When triggered the event will send the Asset Id of the new material library.
-        using OnDefaultMaterialLibraryChangedEvent = AZ::Event<const AZ::Data::AssetId&>;
+        using OnMaterialLibraryChangedEvent = AZ::Event<const AZ::Data::AssetId&>;
+
+        enum class MaterialLibraryLoadErrorType : uint8_t
+        {
+            InvalidId,
+            ErrorLoading
+        };
+
+        //! Event that triggers when the default material library has loaded with errors.
+        using OnMaterialLibraryLoadErrorEvent = AZ::Event<MaterialLibraryLoadErrorType>;
 
         //! Event that triggers when the default scene configuration changes.
         //! When triggered the event will send the new default scene configuration.

Code/Framework/AzFramework/AzFramework/Physics/Common/PhysicsSimulatedBody.h

@@ -18,6 +18,7 @@
 #include <AzCore/RTTI/RTTI.h>
 #include <AzCore/std/containers/variant.h>
 #include <AzCore/std/containers/vector.h>
+#include <AzCore/std/limits.h>
 #include <AzFramework/Physics/Common/PhysicsSimulatedBodyEvents.h>
 #include <AzFramework/Physics/Common/PhysicsSceneQueries.h>
 #include <AzFramework/Physics/Common/PhysicsTypes.h>
@@ -68,6 +69,22 @@ namespace AzPhysics
             return m_customUserData;
         }
 
+        //! Helper functions for setting frame ID.
+        //! @param frameId Optionally set frame ID for the systems moving the actors back in time.
+        void SetFrameId(uint32_t frameId)
+        {
+            m_frameId = frameId;
+        }
+
+        //! Helper functions for getting the set frame ID.
+        //! @return Will return the frame ID.
+        uint32_t GetFrameId() const
+        {
+            return m_frameId;
+        }
+
+        static constexpr uint32_t UndefinedFrameId = AZStd::numeric_limits<uint32_t>::max();
+
         //! Perform a ray cast on this Simulated Body.
         //! @param request The request to make.
         //! @return Returns the closest hit, if any, against this simulated body.
@@ -126,6 +143,7 @@ namespace AzPhysics
         SimulatedBodyEvents::OnTriggerExit m_triggerExitEvent;
 
         void* m_customUserData = nullptr;
+        uint32_t m_frameId = UndefinedFrameId;
 
         // helpers for reflecting to behavior context
         SimulatedBodyEvents::OnCollisionBegin* GetOnCollisionBeginEvent();

Code/Framework/AzFramework/AzFramework/Physics/Configuration/SystemConfiguration.cpp

@@ -39,6 +39,8 @@ namespace AzPhysics
                 ->Field("ShapecastBufferSize", &SystemConfiguration::m_shapecastBufferSize)
                 ->Field("OverlapBufferSize", &SystemConfiguration::m_overlapBufferSize)
                 ->Field("CollisionConfig", &SystemConfiguration::m_collisionConfig)
+                ->Field("DefaultMaterial", &SystemConfiguration::m_defaultMaterialConfiguration)
+                ->Field("MaterialLibrary", &SystemConfiguration::m_materialLibraryAsset)
                 ;
 
             if (AZ::EditContext* editContext = serializeContext->GetEditContext())
@@ -79,7 +81,9 @@ namespace AzPhysics
             m_overlapBufferSize == other.m_overlapBufferSize &&
             AZ::IsClose(m_maxTimestep, other.m_maxTimestep) &&
             AZ::IsClose(m_fixedTimestep, other.m_fixedTimestep) &&
-            m_collisionConfig == other.m_collisionConfig
+            m_collisionConfig == other.m_collisionConfig &&
+            m_defaultMaterialConfiguration == other.m_defaultMaterialConfiguration &&
+            m_materialLibraryAsset == other.m_materialLibraryAsset
             ;
     }
 

Code/Framework/AzFramework/AzFramework/Physics/Configuration/SystemConfiguration.h

@@ -13,6 +13,7 @@
 
 #include <AzCore/RTTI/RTTI.h>
 #include <AzFramework/Physics/Configuration/CollisionConfiguration.h>
+#include <AzFramework/Physics/Material.h>
 
 namespace AZ
 {
@@ -45,6 +46,9 @@ namespace AzPhysics
         //! Each Physics Scene uses this as a base and will override as needed.
         CollisionConfiguration m_collisionConfig;
 
+        Physics::MaterialConfiguration m_defaultMaterialConfiguration; //!< Default material parameters for the project.
+        AZ::Data::Asset<Physics::MaterialLibraryAsset> m_materialLibraryAsset = AZ::Data::AssetLoadBehavior::NoLoad; //!< Material Library exposed by the system component SystemBus API.
+
         //! Controls whether the Physics System will self register to the TickBus and call StartSimulation / FinishSimulation on each Scene.
         //! Disable this to manually control Physics Scene simulation logic.
         bool m_autoManageSimulationUpdate = true;

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

@@ -49,10 +49,7 @@ namespace Physics
             {
                 materialSelection->SetMaterialSlots(Physics::MaterialSelection::SlotsArray());
             }
-            if (materialSelection->IsDefaultMaterialLibraryAsset())
-            {
-                materialSelection->SyncSelectionToMaterialLibrary();
-            }
+            materialSelection->SyncSelectionToMaterialLibrary();
         }
     };
 
@@ -122,6 +119,24 @@ namespace Physics
         }
     }
 
+    bool MaterialConfiguration::operator==(const MaterialConfiguration& other) const
+    {
+        return m_surfaceType == other.m_surfaceType &&
+            AZ::IsClose(m_dynamicFriction, other.m_dynamicFriction) &&
+            AZ::IsClose(m_staticFriction, other.m_staticFriction) &&
+            AZ::IsClose(m_restitution, other.m_restitution) &&
+            AZ::IsClose(m_density, other.m_density) &&
+            m_restitutionCombine == other.m_restitutionCombine &&
+            m_frictionCombine == other.m_frictionCombine &&
+            m_debugColor == other.m_debugColor
+            ;
+    }
+
+    bool MaterialConfiguration::operator!=(const MaterialConfiguration& other) const
+    {
+        return !(*this == other);
+    }
+
     AZ::Color MaterialConfiguration::GenerateDebugColor(const char* materialName)
     {
         static const AZ::Color colors[] =
@@ -191,51 +206,25 @@ namespace Physics
 
     //////////////////////////////////////////////////////////////////////////
 
-    void MaterialLibraryAssetReflectionWrapper::Reflect(AZ::ReflectContext* context)
-    {
-        AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
-        if (serializeContext)
-        {
-            serializeContext->Class<Physics::MaterialLibraryAssetReflectionWrapper>()
-                ->Version(1)
-                ->Field("Asset", &MaterialLibraryAssetReflectionWrapper::m_asset)
-                ;
-
-            AZ::EditContext* editContext = serializeContext->GetEditContext();
-            if (editContext)
-            {
-                editContext->Class<Physics::MaterialLibraryAssetReflectionWrapper>("", "")
-                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
-                        ->Attribute(AZ::Edit::Attributes::AutoExpand, "")
-                        ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
-                    ->DataElement(AZ::Edit::UIHandlers::Default, &MaterialLibraryAssetReflectionWrapper::m_asset, "Physics Material Library", "Physics Material Library")
-                        ->Attribute("EditButton", "")
-                    ;
-            }
-        }
-    }
-
-    //////////////////////////////////////////////////////////////////////////
-
-
-    void DefaultMaterialLibraryAssetReflectionWrapper::Reflect(AZ::ReflectContext* context)
+    void MaterialInfoReflectionWrapper::Reflect(AZ::ReflectContext* context)
     {
          AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
         if (serializeContext)
         {
-            serializeContext->Class<Physics::DefaultMaterialLibraryAssetReflectionWrapper>()
+            serializeContext->Class<Physics::MaterialInfoReflectionWrapper>()
                 ->Version(1)
-                ->Field("Asset", &DefaultMaterialLibraryAssetReflectionWrapper::m_asset)
+                ->Field("DefaultMaterial", &MaterialInfoReflectionWrapper::m_defaultMaterialConfiguration)
+                ->Field("Asset", &MaterialInfoReflectionWrapper::m_materialLibraryAsset)
                 ;
 
             AZ::EditContext* editContext = serializeContext->GetEditContext();
             if (editContext)
             {
-                editContext->Class<Physics::DefaultMaterialLibraryAssetReflectionWrapper>("", "")
+                editContext->Class<Physics::MaterialInfoReflectionWrapper>("Physics Materials", "")
                     ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
-                        ->Attribute(AZ::Edit::Attributes::AutoExpand, "")
-                        ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
-                    ->DataElement(AZ::Edit::UIHandlers::Default, &DefaultMaterialLibraryAssetReflectionWrapper::m_asset, "Default Physics Material Library", "Library to use by default")
+                        ->Attribute(AZ::Edit::Attributes::AutoExpand, true)
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &MaterialInfoReflectionWrapper::m_defaultMaterialConfiguration, "Default Physics Material", "Material used by default")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &MaterialInfoReflectionWrapper::m_materialLibraryAsset, "Physics Material Library", "Library to use for the project")
                         ->Attribute(AZ::Edit::Attributes::AllowClearAsset, false)
                         ->Attribute("EditButton", "")
                     ;
@@ -269,6 +258,17 @@ namespace Physics
         }
     }
 
+    bool MaterialFromAssetConfiguration::operator==(const MaterialFromAssetConfiguration& other) const
+    {
+        return m_configuration == other.m_configuration &&
+            m_id == other.m_id;
+    }
+
+    bool MaterialFromAssetConfiguration::operator!=(const MaterialFromAssetConfiguration& other) const
+    {
+        return !(*this == other);
+    }
+
     //////////////////////////////////////////////////////////////////////////
 
     bool MaterialLibraryAsset::GetDataForMaterialId(const MaterialId& materialId, MaterialFromAssetConfiguration& configuration) const
@@ -370,9 +370,8 @@ namespace Physics
         if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
         {
             serializeContext->Class<Physics::MaterialSelection>()
-                ->Version(2, &ClassConverters::MaterialSelectionConverter)
+                ->Version(3, &ClassConverters::MaterialSelectionConverter)
                 ->EventHandler<MaterialSelectionEventHandler>()
-                ->Field("Material", &MaterialSelection::m_materialLibrary)
                 ->Field("MaterialIds", &MaterialSelection::m_materialIdsAssignedToSlots)
                 ;
 
@@ -381,14 +380,8 @@ namespace Physics
                 editContext->Class<Physics::MaterialSelection>("Physics Material", "Select physics material library and which materials to use for the object")
                     ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
                         ->Attribute(AZ::Edit::Attributes::AutoExpand, true)
-                    ->DataElement(AZ::Edit::UIHandlers::Default, &MaterialSelection::m_materialLibrary, "Library", "Physics material library to use for this object")
-                        ->Attribute(AZ::Edit::Attributes::ContainerCanBeModified, true)
-                        ->Attribute("EditButton", "")
-                        ->Attribute("EditDescription", "Open in Asset Editor")
-                        ->Attribute(AZ::Edit::Attributes::DefaultAsset, &MaterialSelection::GetDefaultMaterialLibraryId)
-                        ->Attribute(AZ::Edit::Attributes::ChangeNotify, &MaterialSelection::OnMaterialLibraryChanged)
                     ->DataElement(AZ::Edit::UIHandlers::Default, &MaterialSelection::m_materialIdsAssignedToSlots, "Mesh Surfaces", "Specify which Physics Material to use for each element of this object")
-                        ->ElementAttribute(Attributes::MaterialLibraryAssetId, &MaterialSelection::GetMaterialLibraryAssetId)
+                        ->ElementAttribute(Attributes::MaterialLibraryAssetId, &MaterialSelection::GetMaterialLibraryId)
                         ->Attribute(AZ::Edit::Attributes::IndexedChildNameLabelOverride, &MaterialSelection::GetMaterialSlotLabel)
                         ->Attribute(AZ::Edit::Attributes::AutoExpand, true)
                         ->ElementAttribute(AZ::Edit::Attributes::ReadOnly, &MaterialSelection::AreMaterialSlotsReadOnly)
@@ -398,12 +391,6 @@ namespace Physics
         }
     }
 
-    AZ::u32 MaterialSelection::OnMaterialLibraryChanged()
-    {
-        SyncSelectionToMaterialLibrary();
-        return AZ::Edit::PropertyRefreshLevels::EntireTree;
-    }
-
     AZStd::string MaterialSelection::GetMaterialSlotLabel(int index)
     {
         if (index < m_materialSlots.size())
@@ -425,28 +412,9 @@ namespace Physics
         }
     }
 
-    AZ::Data::AssetId MaterialSelection::GetMaterialLibraryAssetId() const
+    void MaterialSelection::OnMaterialLibraryChanged([[maybe_unused]] const AZ::Data::AssetId& defaultMaterialLibraryId)
     {
-        return GetMaterialLibraryAsset().GetId();
-    }
-
-    const Physics::MaterialLibraryAsset* MaterialSelection::GetMaterialLibraryAssetData() const
-    {
-        return GetMaterialLibraryAsset().Get();
-    }
-
-    const AZStd::string& MaterialSelection::GetMaterialLibraryAssetHint() const
-    {
-        return m_materialLibrary.GetHint();
-    }
-
-    void MaterialSelection::OnDefaultMaterialLibraryChanged(const AZ::Data::AssetId& defaultMaterialLibraryId)
-    {
-        AZ_UNUSED(defaultMaterialLibraryId);
-        if (IsDefaultMaterialLibraryAsset())
-        {
-            OnMaterialLibraryChanged();
-        }
+        SyncSelectionToMaterialLibrary();
     }
 
     void MaterialSelection::SetSlotsReadOnly(bool readOnly)
@@ -454,45 +422,6 @@ namespace Physics
         m_slotsReadOnly = readOnly;
     }
 
-    bool MaterialSelection::IsMaterialLibraryValid() const
-    {
-        if (GetMaterialLibraryAssetId().IsValid())
-        {
-            auto materialAsset = LoadAsset();
-            const auto& materialsData = materialAsset.Get()->GetMaterialsData();
-
-            if (materialsData.size() != 0)
-            {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    bool MaterialSelection::GetMaterialConfiguration(Physics::MaterialFromAssetConfiguration& configuration, const Physics::MaterialId& materialId) const
-    {
-        if (IsMaterialLibraryValid())
-        {
-            auto materialAsset = LoadAsset();
-            if (materialAsset.Get())
-            {
-                return materialAsset.Get()->GetDataForMaterialId(materialId, configuration);
-            }
-        }
-        return false;
-    }
-
-    void MaterialSelection::SetMaterialLibrary(const AZ::Data::AssetId& assetId)
-    {
-        m_materialLibrary = AZ::Data::AssetManager::Instance().GetAsset<Physics::MaterialLibraryAsset>(assetId, m_materialLibrary.GetAutoLoadBehavior());
-        m_materialLibrary.BlockUntilLoadComplete();
-    }
-
-    void MaterialSelection::ResetToDefaultMaterialLibrary()
-    {
-        m_materialLibrary = {};
-    }
-
     void MaterialSelection::SetMaterialSlots(const SlotsArray& slots)
     {
         if (slots.empty())
@@ -533,74 +462,45 @@ namespace Physics
         m_materialIdsAssignedToSlots[slotIndex] = materialId;
     }
 
-    AZ::Data::Asset<Physics::MaterialLibraryAsset> MaterialSelection::LoadAsset() const
-    {
-        AZ::Data::Asset<MaterialLibraryAsset> asset = AZ::Data::AssetManager::Instance()
-            .GetAsset<Physics::MaterialLibraryAsset>(GetMaterialLibraryAssetId(), AZ::Data::AssetLoadBehavior::Default);
-
-        asset.BlockUntilLoadComplete();
-
-        return asset;
-    }
-
     void MaterialSelection::SyncSelectionToMaterialLibrary()
     {
-        if (GetMaterialLibraryAssetId().IsValid())
+        auto* materialLibrary = GetMaterialLibrary().Get();
+        if (!materialLibrary)
         {
-            auto materialLibraryAsset = AZ::Data::AssetManager::Instance().GetAsset<Physics::MaterialLibraryAsset>(GetMaterialLibraryAssetId(), AZ::Data::AssetLoadBehavior::Default);
+            return;
+        }
 
-            materialLibraryAsset.BlockUntilLoadComplete();
-
-            // We try to check whether existing selection matches any materials in the newly assigned library and do one of the following:
-            // 1. If previous MaterialId is invalid for this material library, and it is not the Default material, we set it to the Default material from the library.
-            // 2. If it's valid, or it is the Default material, we don't change it (useful when user accidentally re-assigns the same library: previous selection won't go away).
-
-            if (materialLibraryAsset.Get())
+        for (Physics::MaterialId& materialId : m_materialIdsAssignedToSlots)
+        {
+            // Leave nulls (default) unchanged.
+            if (materialId.IsNull())
             {
-                for (Physics::MaterialId& materialId : m_materialIdsAssignedToSlots)
-                {
-                    if (!materialLibraryAsset.Get()->HasDataForMaterialId(materialId)
-                        && !materialId.IsNull()) // Null materialId is the Default material.
-                    {
-                        materialId = MaterialId();
-                    }
-                }
+                continue;
             }
-            else
+
+            // If the material id is not present in the library anymore, set it to default
+            if (!materialLibrary->HasDataForMaterialId(materialId))
             {
-                AZ_Warning("PhysX", false, "MaterialSelection: invalid material library");
+                materialId = MaterialId();
             }
         }
     }
 
-    const AZ::Data::Asset<Physics::MaterialLibraryAsset>& MaterialSelection::GetMaterialLibraryAsset() const
-    {
-        if (IsDefaultMaterialLibraryAsset())
-        {
-            const AZ::Data::Asset<Physics::MaterialLibraryAsset>& defaultMaterialLibrary = GetDefaultMaterialLibrary();
-            return defaultMaterialLibrary;
-        }
-
-        return m_materialLibrary;
-    }
-
-    bool MaterialSelection::IsDefaultMaterialLibraryAsset() const
-    {
-        return !m_materialLibrary.GetId().IsValid();
-    }
-
-    const AZ::Data::Asset<Physics::MaterialLibraryAsset>& MaterialSelection::GetDefaultMaterialLibrary()
+    const AZ::Data::Asset<Physics::MaterialLibraryAsset>& MaterialSelection::GetMaterialLibrary()
     {
         if (auto* physicsSystem = AZ::Interface<AzPhysics::SystemInterface>::Get())
         {
-            return physicsSystem->GetDefaultMaterialLibrary();
+            if (const auto* physicsConfiguration = physicsSystem->GetConfiguration())
+            {
+                return physicsConfiguration->m_materialLibraryAsset;
+            }
         }
         return s_invalidMaterialLibrary;
     }
 
-    const AZ::Data::AssetId& MaterialSelection::GetDefaultMaterialLibraryId()
+    const AZ::Data::AssetId& MaterialSelection::GetMaterialLibraryId()
     {
-        return GetDefaultMaterialLibrary().GetId();
+        return GetMaterialLibrary().GetId();
     }
 
     bool MaterialSelection::AreMaterialSlotsReadOnly() const

Code/Framework/AzFramework/AzFramework/Physics/Material.h

@@ -29,7 +29,6 @@ namespace Physics
     /// =========================
     /// This is the interface to the wrapper around native material type (such as PxMaterial in PhysX gem)
     /// that stores extra metadata, like Surface Type name.
-    /// To see more details about PhysX implementation please refer to PhysX::Material class
     ///
     /// Usage example
     /// -------------------------
@@ -37,14 +36,7 @@ namespace Physics
     ///
     ///     Physics::MaterialConfiguration materialProperties;
     ///     AZStd::shared_ptr<Physics::Material> newMaterial = AZ::Interface<Physics::System>::Get()->CreateMaterial(materialProperties);
-    ///
-    /// To get PxMaterial use GetNativePointer function
-    ///
-    ///     physx::PxMaterial* material = static_cast<physx::PxMaterial*>(newMaterial->GetNativePointer());
-    ///
-    /// You can use retrieved PxMaterial pointer on its own, provided you increment its reference count.
-    /// If this class goes out of scope, the PxMaterial pointer will be valid, but its userData
-    /// will be cleaned up to point to nullptr.
+    /// 
     class Material
     {
     public:
@@ -63,9 +55,9 @@ namespace Physics
 
         /// Returns AZ::Crc32 of the surface name.
         virtual AZ::Crc32 GetSurfaceType() const = 0;
-        virtual void SetSurfaceType(AZ::Crc32 surfaceType) = 0;
 
         virtual const AZStd::string& GetSurfaceTypeName() const = 0;
+        virtual void SetSurfaceTypeName(const AZStd::string& surfaceTypeName) = 0;
 
         virtual float GetDynamicFriction() const = 0;
         virtual void SetDynamicFriction(float dynamicFriction) = 0;
@@ -85,6 +77,9 @@ namespace Physics
         virtual float GetDensity() const = 0;
         virtual void SetDensity(float density) = 0;
 
+        virtual AZ::Color GetDebugColor() const = 0;
+        virtual void SetDebugColor(const AZ::Color& debugColor) = 0;
+
         /// If the name of this material matches the name of one of the CrySurface types, it will return its CrySurface Id.\n
         /// If there's no match it will return default CrySurface Id.\n
         /// CrySurface types are defined in libs/materialeffects/surfacetypes.xml
@@ -122,6 +117,10 @@ namespace Physics
         Material::CombineMode m_frictionCombine = Material::CombineMode::Average;
 
         AZ::Color m_debugColor = AZ::Colors::White;
+
+        bool operator==(const MaterialConfiguration& other) const;
+        bool operator!=(const MaterialConfiguration& other) const;
+
     private:
         static bool VersionConverter(AZ::SerializeContext& context, AZ::SerializeContext::DataElementNode& classElement);
         static AZ::Color GenerateDebugColor(const char* materialName);
@@ -147,6 +146,7 @@ namespace Physics
         static MaterialId FromUUID(const AZ::Uuid& uuid);
         bool IsNull() const { return m_id.IsNull(); }
         bool operator==(const MaterialId& other) const { return m_id == other.m_id; }
+        bool operator!=(const MaterialId& other) const { return !(*this == other); }
         const AZ::Uuid& GetUuid() const { return m_id; }
 
     private:
@@ -166,6 +166,9 @@ namespace Physics
 
         MaterialConfiguration m_configuration;
         MaterialId m_id;
+
+        bool operator==(const MaterialFromAssetConfiguration& other) const;
+        bool operator!=(const MaterialFromAssetConfiguration& other) const;
     };
 
     /// An asset that holds a list of materials to be edited and assigned in Open 3D Engine Editor
@@ -222,40 +225,27 @@ namespace Physics
         AZStd::vector<MaterialFromAssetConfiguration> m_materialLibrary;
     };
 
-    /// The class is used to expose a MaterialLibraryAsset to Edit Context
+    /// The class is used to expose a default material and material library asset to Edit Context
     /// =======================================================================
     ///
     /// Since AZ::Data::Asset doesn't reflect the data to EditContext 
     /// we have to have a wrapper doing it.
-    class MaterialLibraryAssetReflectionWrapper
+    class MaterialInfoReflectionWrapper
     {
     public:
-        AZ_CLASS_ALLOCATOR(MaterialLibraryAssetReflectionWrapper, AZ::SystemAllocator, 0);
-        AZ_TYPE_INFO(Physics::MaterialLibraryAssetReflectionWrapper, "{3D2EF5DF-EFD0-47EB-B88F-3E6FE1FEE5B0}");
+        AZ_CLASS_ALLOCATOR(MaterialInfoReflectionWrapper, AZ::SystemAllocator, 0);
+        AZ_TYPE_INFO(Physics::MaterialInfoReflectionWrapper, "{02AB8CBC-D35B-4E0F-89BA-A96D94DAD4F9}");
         static void Reflect(AZ::ReflectContext* context);
 
-        AZ::Data::Asset<Physics::MaterialLibraryAsset> m_asset =
+        Physics::MaterialConfiguration m_defaultMaterialConfiguration;
+        AZ::Data::Asset<Physics::MaterialLibraryAsset> m_materialLibraryAsset =
             AZ::Data::AssetLoadBehavior::NoLoad;
     };
 
-    /// Customized material library for use as default material library
-    class DefaultMaterialLibraryAssetReflectionWrapper : public Physics::MaterialLibraryAssetReflectionWrapper
-    {
-    public:
-        AZ_CLASS_ALLOCATOR(MaterialLibraryAssetReflectionWrapper, AZ::SystemAllocator, 0);
-        AZ_TYPE_INFO(Physics::DefaultMaterialLibraryAssetReflectionWrapper, "{02AB8CBC-D35B-4E0F-89BA-A96D94DAD4F9}");
-        static void Reflect(AZ::ReflectContext* context);
-
-        AZ::Data::Asset<Physics::MaterialLibraryAsset> m_asset =
-            AZ::Data::AssetLoadBehavior::NoLoad;
-    };
-
-    /// The class is used to store a MaterialLibraryAsset and a vector of MaterialIds selected from the library
+    /// The class is used to store a vector of MaterialIds selected from the library
     /// =======================================================================
     ///
-    /// This class is used to store a reference to the library asset and user's
-    /// selection of the materials from this library.\n
-    /// It also reflects UI controls for assigning MaterialLibraryAsset and selecting a material from it.
+    /// This class is used to store the user's selection of the materials from this library.
     /// You can reflect this class in EditorContext to provide UI for selecting materials
     /// on any custom component or QWidget.
     class MaterialSelection
@@ -269,27 +259,6 @@ namespace Physics
 
         static void Reflect(AZ::ReflectContext* context);
 
-        /// Returns whether MaterialLibraryAsset assigned to this selection exists and valid. Attempts to load
-        /// the library if it's not loaded yet.
-        /// @return true if MaterialLibraryAsset has a valid AssetId, loaded and isn't empty
-        bool IsMaterialLibraryValid() const;
-
-        /// Looks up MaterialLibraryAsset for MaterialFromAssetConfiguration with MaterialId that is stored intrenally.
-        /// @param configuration contains material data if there is a material selected by user
-        /// and if it exists in the MaterialLibraryAsset
-        /// @param materialId MaterialId to retrieve MaterialFromAssetConfiguration for
-        /// @return true if lookup was successful.
-        bool GetMaterialConfiguration(Physics::MaterialFromAssetConfiguration& configuration, const Physics::MaterialId& materialId) const;
-
-        /// Sets and loads MaterialLibraryAsset with specified AssetId. 
-        /// It is used to construct MaterialSelection at runtime.
-        /// It is not a typical use case and mostly needed to convert legacy entities and auto-generate material libraries
-        /// @param assetId AssetId to create MaterialLibraryAsset with
-        void SetMaterialLibrary(const AZ::Data::AssetId& assetId);
-
-        /// Sets the material library to none, this will cause to use the project-wide default material library
-        void ResetToDefaultMaterialLibrary();
-
         /// Sets an array of material slots to pick MaterialIds for. Having multiple slots is required for assigning multiple materials on a mesh 
         /// or heightfield object. SlotsArray can be empty and in this case Default slot will be created.
         /// @param slots Array of names for slots. Can be empty, in this case Default slot will be created
@@ -298,48 +267,34 @@ namespace Physics
         /// Returns a list of MaterialId that were assigned for each corresponding slot.
         const AZStd::vector<Physics::MaterialId>& GetMaterialIdsAssignedToSlots() const;
 
-        /// Sets the MaterialId from MaterialLibraryAsset as the selected material at a specific slotIndex.
-        /// @param materialId MaterialId that user selected from the MaterialLibraryAsset
-        /// @param slotIndex index of the slot to set MaterialId for
+        /// Sets the MaterialId as the selected material at a specific slotIndex.
+        /// @param materialId MaterialId that user selected
+        /// @param slotIndex Index of the slot to set the MaterialId
         void SetMaterialId(const Physics::MaterialId& materialId, int slotIndex = 0);
 
-        /// Returns the material library asset id.
-        AZ::Data::AssetId GetMaterialLibraryAssetId() const;
-
         /// Returns the material id assigned to this selection at a specific slotIndex.
-        /// @param slotIndex index of the slot to retrieve MaterialId for
+        /// @param slotIndex Index of the slot to retrieve the MaterialId
         Physics::MaterialId GetMaterialId(int slotIndex = 0) const;
 
-        /// Returns the material library asset.
-        const Physics::MaterialLibraryAsset* GetMaterialLibraryAssetData() const;
-
-        /// Returns the material library asset hint(UI display string)
-        const AZStd::string& GetMaterialLibraryAssetHint() const;
-
         /// Called when the material library has changed
-        void OnDefaultMaterialLibraryChanged(const AZ::Data::AssetId& defaultMaterialLibraryId);
+        void OnMaterialLibraryChanged(const AZ::Data::AssetId& defaultMaterialLibraryId);
 
         /// Set if the material slots are editable in the edit context
         void SetSlotsReadOnly(bool readOnly);
 
     private:
-        AZ::Data::Asset<Physics::MaterialLibraryAsset> m_materialLibrary { AZ::Data::AssetLoadBehavior::NoLoad };
         AZStd::vector<Physics::MaterialId> m_materialIdsAssignedToSlots;
         SlotsArray m_materialSlots;
         bool m_slotsReadOnly = false;
         
-        const AZ::Data::Asset<Physics::MaterialLibraryAsset>& GetMaterialLibraryAsset() const;
-        AZ::Data::Asset<Physics::MaterialLibraryAsset> LoadAsset() const;
-        bool IsDefaultMaterialLibraryAsset() const;
         void SyncSelectionToMaterialLibrary();
         
-        static const AZ::Data::Asset<Physics::MaterialLibraryAsset>& GetDefaultMaterialLibrary();
-        static const AZ::Data::AssetId& GetDefaultMaterialLibraryId();
+        static const AZ::Data::Asset<Physics::MaterialLibraryAsset>& GetMaterialLibrary();
+        static const AZ::Data::AssetId& GetMaterialLibraryId();
 
         bool AreMaterialSlotsReadOnly() const;
 
         // EditorContext callbacks
-        AZ::u32 OnMaterialLibraryChanged();
         AZStd::string GetMaterialSlotLabel(int index);
     };
 

Code/Framework/AzFramework/AzFramework/Physics/MaterialBus.h

@@ -25,21 +25,26 @@ namespace Physics
         static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
         static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single; // Implemented by sole owner of materials, e.g. class MaterialManager in PhysX gem.
 
-        /// Get default material
+        /// Get default material.
         virtual AZStd::shared_ptr<Physics::Material> GetGenericDefaultMaterial() = 0;
 
         /// Returns weak pointers to physics materials.
         /// Connect to PhysicsMaterialNotifications::MaterialsReleased to be informed when material pointers are deleted by owner.
         virtual void GetMaterials(const MaterialSelection& materialSelection
-            , AZStd::vector<AZStd::weak_ptr<Physics::Material>>& outMaterials) = 0;
+            , AZStd::vector<AZStd::shared_ptr<Physics::Material>>& outMaterials) = 0;
+
+        /// Returns a weak pointer to physics material with the given id.
+        virtual AZStd::shared_ptr<Physics::Material> GetMaterialById(Physics::MaterialId id) = 0;
 
         /// Returns a weak pointer to physics material with the given name.
-        virtual AZStd::weak_ptr<Physics::Material> GetMaterialByName(const AZStd::string& name) = 0;
+        virtual AZStd::shared_ptr<Physics::Material> GetMaterialByName(const AZStd::string& name) = 0;
 
-        /// Returns index of the first selected material in MaterialSelection's material library. 
-        /// A MaterialSelection can contain multiple material selections.
-        /// Returned index is 0-based where 0 is the Default material, and materials from the material library are 1 and onwards.
-        virtual AZ::u32 GetFirstSelectedMaterialIndex(const MaterialSelection& materialSelection) = 0;
+        /// Updates the material selection from the physics asset or sets it to default if there's no asset provided.
+        /// @param shapeConfiguration The shape information that contains the physics asset.
+        /// @param materialSelection The material selection to update.
+        virtual void UpdateMaterialSelectionFromPhysicsAsset(
+            const ShapeConfiguration& shapeConfiguration,
+            MaterialSelection& materialSelection) = 0;
     };
     using PhysicsMaterialRequestBus = AZ::EBus<PhysicsMaterialRequests>;
 

Code/Framework/AzFramework/AzFramework/Physics/PhysicsSystem.h

@@ -130,13 +130,6 @@ namespace AzPhysics
         //! @param forceReinitialization Flag to force a reinitialization of the physics system. Default false.
         virtual void UpdateConfiguration(const SystemConfiguration* newConfig, bool forceReinitialization = false) = 0;
 
-        //! Update the default material library.
-        //! @param materialLibrary The new material library asset to use.
-        virtual void UpdateDefaultMaterialLibrary(const AZ::Data::Asset<Physics::MaterialLibraryAsset>& materialLibrary) = 0;
-
-        //! Accessor to get the current Material Library. This is also available in the PhysXSystemConfiguration.
-        virtual const AZ::Data::Asset<Physics::MaterialLibraryAsset>& GetDefaultMaterialLibrary() const = 0;
-
         //! Update the current default scene configuration.
         //! This is the configuration used to to create scenes without a custom configuration.
         //! @param sceneConfiguration The new configuration to apply.
@@ -169,9 +162,12 @@ namespace AzPhysics
         //! Register to receive notifications when the SystemConfiguration changes.
         //! @param handler The handler to receive the event.
         void RegisterSystemConfigurationChangedEvent(SystemEvents::OnConfigurationChangedEvent::Handler& handler) { handler.Connect(m_configChangeEvent); }
-        //! Register a handler to receive an event when the default material library changes.
+        //! Register a handler to receive an event when the material library changes.
         //! @param handler The handler to receive the event.
-        void RegisterOnDefaultMaterialLibraryChangedEventHandler(SystemEvents::OnDefaultMaterialLibraryChangedEvent::Handler& handler) { handler.Connect(m_onDefaultMaterialLibraryChangedEvent); }
+        void RegisterOnMaterialLibraryChangedEventHandler(SystemEvents::OnMaterialLibraryChangedEvent::Handler& handler) { handler.Connect(m_onMaterialLibraryChangedEvent); }
+        //! Register a handler to receive an event when the material library fails to load on startup.
+        //! @param handler The handler to receive the event.
+        void RegisterOnMaterialLibraryLoadErrorEventHandler(SystemEvents::OnMaterialLibraryLoadErrorEvent::Handler& handler) { handler.Connect(m_onMaterialLibraryLoadErrorEvent); }
         //! Register a handler to receive an event when the default SceneConfiguration changes.
         //! @param handler The handler to receive the event.
         void RegisterOnDefaultSceneConfigurationChangedEventHandler(SystemEvents::OnDefaultSceneConfigurationChangedEvent::Handler& handler) { handler.Connect(m_onDefaultSceneConfigurationChangedEvent); }
@@ -185,7 +181,8 @@ namespace AzPhysics
         SystemEvents::OnSceneAddedEvent m_sceneAddedEvent;
         SystemEvents::OnSceneRemovedEvent m_sceneRemovedEvent;
         SystemEvents::OnConfigurationChangedEvent m_configChangeEvent;
-        SystemEvents::OnDefaultMaterialLibraryChangedEvent m_onDefaultMaterialLibraryChangedEvent;
+        SystemEvents::OnMaterialLibraryChangedEvent m_onMaterialLibraryChangedEvent;
+        SystemEvents::OnMaterialLibraryLoadErrorEvent m_onMaterialLibraryLoadErrorEvent;
         SystemEvents::OnDefaultSceneConfigurationChangedEvent m_onDefaultSceneConfigurationChangedEvent;
     };
 } // namespace AzPhysics

Code/Framework/AzFramework/AzFramework/Physics/Ragdoll.h

@@ -102,7 +102,7 @@ namespace Physics
 
         /// Is the ragdoll currently simulated?
         /// @result True in case the ragdoll is simulated, false if not.
-        virtual bool IsSimulated() = 0;
+        virtual bool IsSimulated() const = 0;
 
         /// Writes the state for all of the bodies in the ragdoll to the provided output.
         /// The caller owns the output state and can safely manipulate it without affecting the physics simulation.

Code/Framework/AzFramework/AzFramework/Physics/ShapeConfiguration.cpp

@@ -17,6 +17,21 @@
 
 namespace Physics
 {
+    namespace Internal
+    {
+        bool ShapeConfigurationVersionConverter(
+            [[maybe_unused]] AZ::SerializeContext& context,
+            AZ::SerializeContext::DataElementNode& classElement)
+        {
+            if (classElement.GetVersion() <= 1)
+            {
+                classElement.RemoveElementByName(AZ_CRC_CE("UseMaterialsFromAsset"));
+            }
+
+            return true;
+        }
+    }
+
     void ShapeConfiguration::Reflect(AZ::ReflectContext* context)
     {
         if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
@@ -166,10 +181,9 @@ namespace Physics
                 ->RegisterGenericType<AZStd::shared_ptr<PhysicsAssetShapeConfiguration>>();
 
             serializeContext->Class<PhysicsAssetShapeConfiguration, ShapeConfiguration>()
-                ->Version(1)
+                ->Version(2, &Internal::ShapeConfigurationVersionConverter)
                 ->Field("PhysicsAsset", &PhysicsAssetShapeConfiguration::m_asset)
                 ->Field("AssetScale", &PhysicsAssetShapeConfiguration::m_assetScale)
-                ->Field("UseMaterialsFromAsset", &PhysicsAssetShapeConfiguration::m_useMaterialsFromAsset)
                 ->Field("SubdivisionLevel", &PhysicsAssetShapeConfiguration::m_subdivisionLevel)
                 ;
 
@@ -182,7 +196,6 @@ namespace Physics
                     ->DataElement(AZ::Edit::UIHandlers::Default, &PhysicsAssetShapeConfiguration::m_assetScale, "Asset Scale", "The scale of the asset shape")
                         ->Attribute(AZ::Edit::Attributes::Min, 0.0f)
                         ->Attribute(AZ::Edit::Attributes::Step, 0.01f)
-                    ->DataElement(AZ::Edit::UIHandlers::Default, &PhysicsAssetShapeConfiguration::m_useMaterialsFromAsset, "Physics Materials from Mesh", "Auto-set physics materials using Mesh's material surfaces names")
                     ;
             }
         }

Code/Framework/AzFramework/AzFramework/Physics/ShapeConfiguration.h

@@ -140,7 +140,7 @@ namespace Physics
 
         AZ::Data::Asset<AZ::Data::AssetData> m_asset{ AZ::Data::AssetLoadBehavior::PreLoad };
         AZ::Vector3 m_assetScale = AZ::Vector3::CreateOne();
-        bool m_useMaterialsFromAsset = true;
+        bool m_useMaterialsFromAsset = false; // Not reflected or exposed to the user until there is a way to auto-match mesh's materials with physics materials
         AZ::u8 m_subdivisionLevel = 4; ///< The level of subdivision if a primitive shape is replaced with a convex mesh due to scaling.
     };
 

Code/Framework/AzFramework/AzFramework/Physics/SystemBus.h

@@ -142,24 +142,12 @@ namespace Physics
 
         virtual AZStd::shared_ptr<Shape> CreateShape(const ColliderConfiguration& colliderConfiguration, const ShapeConfiguration& configuration) = 0;
 
+        virtual AZStd::shared_ptr<Material> CreateMaterial(const Physics::MaterialConfiguration& materialConfiguration) = 0;
+
         /// Releases the mesh object created by the physics backend.
         /// @param nativeMeshObject Pointer to the mesh object.
         virtual void ReleaseNativeMeshObject(void* nativeMeshObject) = 0;
 
-        //////////////////////////////////////////////////////////////////////////
-        //// Physics Materials
-
-        virtual AZStd::shared_ptr<Material> CreateMaterial(const Physics::MaterialConfiguration& materialConfiguration) = 0;
-        virtual AZStd::shared_ptr<Material> GetDefaultMaterial() = 0;
-        virtual AZStd::vector<AZStd::shared_ptr<Material>> CreateMaterialsFromLibrary(const Physics::MaterialSelection& materialSelection) = 0;
-
-
-        /// Updates the collider material selection from the physics asset or sets it to default if there's no asset provided.
-        /// @param shapeConfiguration The shape information
-        /// @param colliderConfiguration The collider information
-        virtual bool UpdateMaterialSelection(const Physics::ShapeConfiguration& shapeConfiguration,
-            Physics::ColliderConfiguration& colliderConfiguration) = 0;
-
         //////////////////////////////////////////////////////////////////////////
         //// Joints
 

Code/Framework/AzFramework/AzFramework/Physics/Utils.cpp

@@ -119,8 +119,7 @@ namespace Physics
             AzPhysics::SceneConfiguration::Reflect(context);
             MaterialConfiguration::Reflect(context);
             MaterialLibraryAsset::Reflect(context);
-            MaterialLibraryAssetReflectionWrapper::Reflect(context);
-            DefaultMaterialLibraryAssetReflectionWrapper::Reflect(context);
+            MaterialInfoReflectionWrapper::Reflect(context);
             JointLimitConfiguration::Reflect(context);
             AzPhysics::SimulatedBodyConfiguration::Reflect(context);
             AzPhysics::RigidBodyConfiguration::Reflect(context);

Code/Framework/AzFramework/AzFramework/ProjectManager/ProjectManager.cpp

@@ -46,7 +46,6 @@ namespace AzFramework::ProjectManager
             // Store the Command line to the Setting Registry
             AZ::SettingsRegistryImpl settingsRegistry;
             AZ::SettingsRegistryMergeUtils::StoreCommandLineToRegistry(settingsRegistry, commandLine);
-            AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_Bootstrap(settingsRegistry);
             AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_O3deUserRegistry(settingsRegistry, AZ_TRAIT_OS_PLATFORM_CODENAME, {});
             // Retrieve Command Line from Settings Registry, it may have been updated by the call to FindEngineRoot()
             // in MergeSettingstoRegistry_ConfigFile
@@ -79,7 +78,7 @@ namespace AzFramework::ProjectManager
                 projectJsonPath.c_str());
         }
 
-        if (LaunchProjectManager(engineRootPath))
+        if (LaunchProjectManager())
         {
             AZ_TracePrintf("ProjectManager", "Project Manager launched successfully, requesting exit.");
             return ProjectPathCheckResult::ProjectManagerLaunched;
@@ -88,7 +87,7 @@ namespace AzFramework::ProjectManager
         return ProjectPathCheckResult::ProjectManagerLaunchFailed;
     }
 
-    bool LaunchProjectManager([[maybe_unused]] const AZ::IO::FixedMaxPath& engineRootPath)
+    bool LaunchProjectManager(const AZStd::string& commandLineArgs)
     {
         bool launchSuccess = false;
 #if (AZ_TRAIT_AZFRAMEWORK_USE_PROJECT_MANAGER)
@@ -99,51 +98,18 @@ namespace AzFramework::ProjectManager
             AZ::AllocatorInstance<AZ::SystemAllocator>::Create();
         }
         {
-            const char projectsScript[] = "projects.py";
+            AZStd::string filename = "o3de";
+            AZ::IO::FixedMaxPath executablePath = AZ::Utils::GetExecutableDirectory();
+            executablePath /= filename + AZ_TRAIT_OS_EXECUTABLE_EXTENSION;
 
-            AZ_Warning("ProjectManager", false, "No project provided - launching project selector.");
-
-            if (engineRootPath.empty())
+            if (!AZ::IO::SystemFile::Exists(executablePath.c_str()))
             {
-                AZ_Error("ProjectManager", false, "Couldn't find engine root");
+                AZ_Error("ProjectManager", false, "%s not found", executablePath.c_str());
                 return false;
             }
-            auto projectManagerPath = engineRootPath / "scripts" / "project_manager";
-
-            if (!AZ::IO::SystemFile::Exists((projectManagerPath / projectsScript).c_str()))
-            {
-                AZ_Error("ProjectManager", false, "%s not found at %s!", projectsScript, projectManagerPath.c_str());
-                return false;
-            }
-            AZ::IO::FixedMaxPathString executablePath;
-            AZ::Utils::GetExecutablePathReturnType result = AZ::Utils::GetExecutablePath(executablePath.data(), executablePath.capacity());
-            if (result.m_pathStored != AZ::Utils::ExecutablePathResult::Success)
-            {
-                AZ_Error("ProjectManager", false, "Could not determine executable path!");
-                return false;
-            }
-            AZ::IO::FixedMaxPath parentPath(executablePath.c_str());
-            auto exeFolder = parentPath.ParentPath();
-            AZStd::fixed_string<8> debugOption;
-            auto lastSep = exeFolder.Native().find_last_of(AZ_CORRECT_FILESYSTEM_SEPARATOR);
-            if (lastSep != AZStd::string_view::npos)
-            {
-                exeFolder = exeFolder.Native().substr(lastSep + 1);
-            }
-            if (exeFolder == "debug")
-            {
-                // We need to use the debug version of the python interpreter to load up our debug version of our libraries which work with the debug version of QT living in this folder
-                debugOption = "debug ";
-            }
-            AZ::IO::FixedMaxPath pythonPath = engineRootPath / "python";
-            pythonPath /= AZ_TRAIT_AZFRAMEWORK_PYTHON_SHELL;
-            auto cmdPath = AZ::IO::FixedMaxPathString::format("%s %s%s --executable_path=%s --parent_pid=%" PRIu32, pythonPath.Native().c_str(),
-                debugOption.c_str(), (projectManagerPath / projectsScript).c_str(), executablePath.c_str(), AZ::Platform::GetCurrentProcessId());
 
             AzFramework::ProcessLauncher::ProcessLaunchInfo processLaunchInfo;
-
-            processLaunchInfo.m_commandlineParameters = cmdPath;
-            processLaunchInfo.m_showWindow = false;
+            processLaunchInfo.m_commandlineParameters = executablePath.String() + commandLineArgs;
             launchSuccess = AzFramework::ProcessLauncher::LaunchUnwatchedProcess(processLaunchInfo);
         }
         if (ownsSystemAllocator)

Code/Framework/AzFramework/AzFramework/ProjectManager/ProjectManager.h

@@ -12,6 +12,7 @@
 #pragma once
 
 #include <AzCore/IO/Path/Path_fwd.h>
+#include <AzCore/std/string/string.h>
 
 namespace AzFramework::ProjectManager
 {
@@ -21,8 +22,16 @@ namespace AzFramework::ProjectManager
         ProjectManagerLaunched = 0,
         ProjectPathFound = 1
     };
-    // Check for a project name, if not found, attempts to launch project manager and returns false
+
+    //! Check for a project name, if not found, attempts to launch project manager and returns false
+    //! @param argc the number of arguments in argv
+    //! @param argv arguments provided to this executable
+    //! @return a ProjectPathCheckResult
     ProjectPathCheckResult CheckProjectPathProvided(const int argc, char* argv[]);
-    // Attempt to Launch the project manager.  Requires locating the engine root, project manager script, and python.
-    bool LaunchProjectManager(const AZ::IO::FixedMaxPath& engineRootPath);
+
+    //! Attempt to Launch the project manager, assuming the o3de executable exists in same folder as
+    //! current executable. Requires the o3de cli and python.
+    //! @param commandLineArgs additional command line arguments to provide to the project manager
+    //! @return true on success, false if failed to find or launch the executable
+    bool LaunchProjectManager(const AZStd::string& commandLineArgs = "");
 } // AzFramework::ProjectManager

Code/Framework/AzFramework/AzFramework/Render/GeometryIntersectionBus.h

@@ -12,6 +12,7 @@
 #pragma once
 
 #include <AzCore/EBus/EBus.h>
+#include <AzFramework/Entity/EntityContextBus.h>
 #include <AzFramework/Render/GeometryIntersectionStructures.h>
 
 namespace AzFramework
@@ -35,12 +36,12 @@ namespace AzFramework
             AzFramework::EntityContextId m_contextId;
         };
 
-        //! Interface for intersection requests, implement this interface for making your component
-        //! render geometry intersectable.
+        //! Interface for intersection requests.
+        //! Implement this interface to make your component 'intersectable'.
         class IntersectionRequests
             : public AZ::EBusTraits
         {
-            //! Policy for notifying the Intersector bus of entities connected/disconnected to this ebus
+            //! Policy for notifying the Intersector bus of entities connected/disconnected to this EBus
             //! so it updates the internal data of the entities
             template<class Bus>
             struct IntersectionRequestsConnectionPolicy

Code/Framework/AzFramework/AzFramework/Session/ISessionHandlingRequests.h

@@ -12,6 +12,7 @@
 
 #pragma once
 
+#include <AzCore/RTTI/RTTI.h>
 #include <AzCore/std/string/string.h>
 
 namespace AzFramework
@@ -49,13 +50,17 @@ namespace AzFramework
     class ISessionHandlingClientRequests
     {
     public:
-        // Handle the player join session process
+        AZ_RTTI(ISessionHandlingClientRequests, "{41DE6BD3-72BC-4443-BFF9-5B1B9396657A}");
+        ISessionHandlingClientRequests() = default;
+        virtual ~ISessionHandlingClientRequests() = default;
+
+        // Request the player join session
         // @param  sessionConnectionConfig The required properties to handle the player join session process
         // @return The result of player join session process
-        virtual bool HandlePlayerJoinSession(const SessionConnectionConfig& sessionConnectionConfig) = 0;
+        virtual bool RequestPlayerJoinSession(const SessionConnectionConfig& sessionConnectionConfig) = 0;
 
-        // Handle the player leave session process
-        virtual void HandlePlayerLeaveSession() = 0;
+        // Request the connected player leave session
+        virtual void RequestPlayerLeaveSession() = 0;
     };
 
     //! ISessionHandlingServerRequests
@@ -63,6 +68,10 @@ namespace AzFramework
     class ISessionHandlingServerRequests
     {
     public:
+        AZ_RTTI(ISessionHandlingServerRequests, "{4F0C17BA-F470-4242-A8CB-EC7EA805257C}");
+        ISessionHandlingServerRequests() = default;
+        virtual ~ISessionHandlingServerRequests() = default;
+
         // Handle the destroy session process
         virtual void HandleDestroySession() = 0;
 
@@ -74,5 +83,10 @@ namespace AzFramework
         // Handle the player leave session process
         // @param  playerConnectionConfig The required properties to handle the player leave session process
         virtual void HandlePlayerLeaveSession(const PlayerConnectionConfig& playerConnectionConfig) = 0;
+
+        // Retrieves the file location of a pem-encoded TLS certificate
+        // @return If successful, returns the file location of TLS certificate file; if not successful, returns
+        //         empty string.
+        virtual AZStd::string GetSessionCertificate() = 0;
     };
 } // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Session/ISessionRequests.h

@@ -167,6 +167,9 @@ namespace AzFramework
         : public AZ::EBusTraits
     {
     public:
+        // Safeguard handler for multi-threaded use case
+        using MutexType = AZStd::recursive_mutex;
+
         //////////////////////////////////////////////////////////////////////////
         // EBusTraits overrides
         static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;

Code/Framework/AzFramework/AzFramework/Session/SessionNotifications.h

@@ -24,6 +24,9 @@ namespace AzFramework
         : public AZ::EBusTraits
     {
     public:
+        // Safeguard handler for multi-threaded use case
+        using MutexType = AZStd::recursive_mutex;
+
         //////////////////////////////////////////////////////////////////////////
         // EBusTraits overrides
         static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;

Code/Framework/AzFramework/AzFramework/Spawnable/Spawnable.cpp

@@ -21,22 +21,6 @@ namespace AzFramework
     {
     }
 
-    Spawnable::Spawnable(Spawnable&& other)
-        : m_entities(AZStd::move(other.m_entities))
-    {
-    }
-
-
-    Spawnable& Spawnable::operator=(Spawnable&& other)
-    {
-        if (this != &other)
-        {
-            m_entities = AZStd::move(other.m_entities);
-        }
-
-        return *this;
-    }
-
     const Spawnable::EntityList& Spawnable::GetEntities() const
     {
         return m_entities;

Code/Framework/AzFramework/AzFramework/Spawnable/Spawnable.h

@@ -19,10 +19,13 @@
 #include <AzCore/std/smart_ptr/unique_ptr.h>
 #include <AzFramework/Spawnable/SpawnableMetaData.h>
 
-namespace AzFramework
+namespace AZ
 {
     class ReflectContext;
+}
 
+namespace AzFramework
+{
     class Spawnable final
         : public AZ::Data::AssetData
     {
@@ -38,11 +41,11 @@ namespace AzFramework
         Spawnable() = default;
         explicit Spawnable(const AZ::Data::AssetId& id, AssetStatus status = AssetStatus::NotLoaded);
         Spawnable(const Spawnable& rhs) = delete;
-        Spawnable(Spawnable&& other);
+        Spawnable(Spawnable&& other) = delete;
         ~Spawnable() override = default;
 
         Spawnable& operator=(const Spawnable& rhs) = delete;
-        Spawnable& operator=(Spawnable&& other);
+        Spawnable& operator=(Spawnable&& other) = delete;
 
         const EntityList& GetEntities() const;
         EntityList& GetEntities();

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableAssetHandler.cpp

@@ -10,6 +10,7 @@
 *
 */
 
+#include <AzCore/Casting/lossy_cast.h>
 #include <AzCore/Serialization/Utils.h>
 #include <AzCore/std/string/string.h>
 #include <AzFramework/Spawnable/Spawnable.h>
@@ -88,4 +89,10 @@ namespace AzFramework
     {
         extensions.push_back(Spawnable::FileExtension);
     }
+
+    uint32_t SpawnableAssetHandler::BuildSubId(AZStd::string_view id)
+    {
+        AZ::Uuid subIdHash = AZ::Uuid::CreateData(id.data(), id.size());
+        return azlossy_caster(subIdHash.GetHash());
+    }
 } // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableAssetHandler.h

@@ -47,6 +47,7 @@ namespace AzFramework
         const char* GetGroup() const override;
         const char* GetBrowserIcon() const override;
         void GetAssetTypeExtensions(AZStd::vector<AZStd::string>& extensions) override;
+        static uint32_t BuildSubId(AZStd::string_view id);
         
     protected:
         LoadResult LoadAssetData(

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesContainer.cpp

@@ -38,19 +38,20 @@ namespace AzFramework
     void SpawnableEntitiesContainer::SpawnAllEntities()
     {
         AZ_Assert(m_threadData, "Calling SpawnAllEntities on a Spawnable container that's not set.");
-        SpawnableEntitiesInterface::Get()->SpawnAllEntities(m_threadData->m_spawnedEntitiesTicket);
+        SpawnableEntitiesInterface::Get()->SpawnAllEntities(m_threadData->m_spawnedEntitiesTicket, SpawnablePriority_Default);
     }
 
     void SpawnableEntitiesContainer::SpawnEntities(AZStd::vector<size_t> entityIndices)
     {
         AZ_Assert(m_threadData, "Calling SpawnEntities on a Spawnable container that's not set.");
-        SpawnableEntitiesInterface::Get()->SpawnEntities(m_threadData->m_spawnedEntitiesTicket, AZStd::move(entityIndices));
+        SpawnableEntitiesInterface::Get()->SpawnEntities(
+            m_threadData->m_spawnedEntitiesTicket, SpawnablePriority_Default, AZStd::move(entityIndices));
     }
 
     void SpawnableEntitiesContainer::DespawnAllEntities()
     {
         AZ_Assert(m_threadData, "Calling DespawnEntities on a Spawnable container that's not set.");
-        SpawnableEntitiesInterface::Get()->DespawnAllEntities(m_threadData->m_spawnedEntitiesTicket);
+        SpawnableEntitiesInterface::Get()->DespawnAllEntities(m_threadData->m_spawnedEntitiesTicket, SpawnablePriority_Default);
     }
 
     void SpawnableEntitiesContainer::Reset(AZ::Data::Asset<Spawnable> spawnable)
@@ -66,8 +67,10 @@ namespace AzFramework
             m_monitor.Disconnect();
             m_monitor.m_threadData.reset();
 
-            SpawnableEntitiesInterface::Get()->Barrier(m_threadData->m_spawnedEntitiesTicket,
-                [threadData = m_threadData](EntitySpawnTicket&) mutable
+            SpawnableEntitiesInterface::Get()->Barrier(
+                m_threadData->m_spawnedEntitiesTicket,
+                SpawnablePriority_Default,
+                [threadData = m_threadData](EntitySpawnTicket::Id) mutable
                 {
                     threadData.reset();
                 });
@@ -83,8 +86,10 @@ namespace AzFramework
     void SpawnableEntitiesContainer::Alert(AlertCallback callback)
     {
         AZ_Assert(m_threadData, "Calling DespawnEntities on a Spawnable container that's not set.");
-        SpawnableEntitiesInterface::Get()->Barrier(m_threadData->m_spawnedEntitiesTicket,
-            [generation = m_threadData->m_generation, callback = AZStd::move(callback)](EntitySpawnTicket&)
+        SpawnableEntitiesInterface::Get()->Barrier(
+            m_threadData->m_spawnedEntitiesTicket,
+            SpawnablePriority_Default,
+            [generation = m_threadData->m_generation, callback = AZStd::move(callback)](EntitySpawnTicket::Id)
             {
                 callback(generation);
             });
@@ -110,6 +115,7 @@ namespace AzFramework
         AZ_Assert(m_threadData, "SpawnableEntitiesContainer is monitoring a spawnable, but doesn't have the associated data.");
 
         AZ_TracePrintf("Spawnables", "Reloading spawnable '%s'.\n", replacementAsset.GetHint().c_str());
-        SpawnableEntitiesInterface::Get()->ReloadSpawnable(m_threadData->m_spawnedEntitiesTicket, AZStd::move(replacementAsset));
+        SpawnableEntitiesInterface::Get()->ReloadSpawnable(
+            m_threadData->m_spawnedEntitiesTicket, SpawnablePriority_Default, AZStd::move(replacementAsset));
     }
 } // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesInterface.cpp

@@ -14,6 +14,10 @@
 
 namespace AzFramework
 {
+    //
+    // SpawnableEntityContainerView
+    //
+
     SpawnableEntityContainerView::SpawnableEntityContainerView(AZ::Entity** begin, size_t length)
         : m_begin(begin)
         , m_end(begin + length)
@@ -52,6 +56,9 @@ namespace AzFramework
     }
 
 
+    //
+    // SpawnableConstEntityContainerView
+    //
 
     SpawnableConstEntityContainerView::SpawnableConstEntityContainerView(AZ::Entity** begin, size_t length)
         : m_begin(begin)
@@ -91,6 +98,136 @@ namespace AzFramework
     }
 
 
+    //
+    // SpawnableIndexEntityPair
+    //
+
+    SpawnableIndexEntityPair::SpawnableIndexEntityPair(AZ::Entity** entityIterator, size_t* indexIterator)
+        : m_entity(entityIterator)
+        , m_index(indexIterator)
+    {
+    }
+
+    AZ::Entity* SpawnableIndexEntityPair::GetEntity()
+    {
+        return *m_entity;
+    }
+
+    const AZ::Entity* SpawnableIndexEntityPair::GetEntity() const
+    {
+        return *m_entity;
+    }
+
+    size_t SpawnableIndexEntityPair::GetIndex() const
+    {
+        return *m_index;
+    }
+
+    //
+    // SpawnableIndexEntityIterator
+    //
+
+    SpawnableIndexEntityIterator::SpawnableIndexEntityIterator(AZ::Entity** entityIterator, size_t* indexIterator)
+        : m_value(entityIterator, indexIterator)
+    {
+    }
+
+    SpawnableIndexEntityIterator& SpawnableIndexEntityIterator::operator++()
+    {
+        ++m_value.m_entity;
+        ++m_value.m_index;
+        return *this;
+    }
+
+    SpawnableIndexEntityIterator SpawnableIndexEntityIterator::operator++(int)
+    {
+        SpawnableIndexEntityIterator result = *this;
+        ++m_value.m_entity;
+        ++m_value.m_index;
+        return result;
+    }
+
+    SpawnableIndexEntityIterator& SpawnableIndexEntityIterator::operator--()
+    {
+        --m_value.m_entity;
+        --m_value.m_index;
+        return *this;
+    }
+
+    SpawnableIndexEntityIterator SpawnableIndexEntityIterator::operator--(int)
+    {
+        SpawnableIndexEntityIterator result = *this;
+        --m_value.m_entity;
+        --m_value.m_index;
+        return result;
+    }
+
+    bool SpawnableIndexEntityIterator::operator==(const SpawnableIndexEntityIterator& rhs)
+    {
+        return m_value.m_entity == rhs.m_value.m_entity && m_value.m_index == rhs.m_value.m_index;
+    }
+
+    bool SpawnableIndexEntityIterator::operator!=(const SpawnableIndexEntityIterator& rhs)
+    {
+        return m_value.m_entity != rhs.m_value.m_entity || m_value.m_index != rhs.m_value.m_index;
+    }
+
+    SpawnableIndexEntityPair& SpawnableIndexEntityIterator::operator*()
+    {
+        return m_value;
+    }
+
+    const SpawnableIndexEntityPair& SpawnableIndexEntityIterator::operator*() const
+    {
+        return m_value;
+    }
+
+    SpawnableIndexEntityPair* SpawnableIndexEntityIterator::operator->()
+    {
+        return &m_value;
+    }
+
+    const SpawnableIndexEntityPair* SpawnableIndexEntityIterator::operator->() const
+    {
+        return &m_value;
+    }
+
+
+    //
+    // SpawnableConstIndexEntityContainerView
+    //
+
+    SpawnableConstIndexEntityContainerView::SpawnableConstIndexEntityContainerView(
+        AZ::Entity** beginEntity, size_t* beginIndices, size_t length)
+        : m_begin(beginEntity, beginIndices)
+        , m_end(beginEntity + length, beginIndices + length)
+    {
+    }
+
+    const SpawnableIndexEntityIterator& SpawnableConstIndexEntityContainerView::begin()
+    {
+        return m_begin;
+    }
+
+    const SpawnableIndexEntityIterator& SpawnableConstIndexEntityContainerView::end()
+    {
+        return m_end;
+    }
+
+    const SpawnableIndexEntityIterator& SpawnableConstIndexEntityContainerView::cbegin()
+    {
+        return m_begin;
+    }
+
+    const SpawnableIndexEntityIterator& SpawnableConstIndexEntityContainerView::cend()
+    {
+        return m_end;
+    }
+
+
+    //
+    // EntitySpawnTicket
+    //
 
     EntitySpawnTicket::EntitySpawnTicket(EntitySpawnTicket&& rhs)
         : m_payload(rhs.m_payload)
@@ -102,7 +239,9 @@ namespace AzFramework
     {
         auto manager = SpawnableEntitiesInterface::Get();
         AZ_Assert(manager, "Attempting to create an entity spawn ticket while the SpawnableEntitiesInterface has no implementation.");
-        m_payload = manager->CreateTicket(AZStd::move(spawnable));
+        AZStd::pair<EntitySpawnTicket::Id, void*> result = manager->CreateTicket(AZStd::move(spawnable));
+        m_id = result.first;
+        m_payload = result.second;
     }
 
     EntitySpawnTicket::~EntitySpawnTicket()
@@ -113,6 +252,7 @@ namespace AzFramework
             AZ_Assert(manager, "Attempting to destroy an entity spawn ticket while the SpawnableEntitiesInterface has no implementation.");
             manager->DestroyTicket(m_payload);
             m_payload = nullptr;
+            m_id = 0;
         }
     }
 
@@ -126,12 +266,20 @@ namespace AzFramework
                 AZ_Assert(manager, "Attempting to destroy an entity spawn ticket while the SpawnableEntitiesInterface has no implementation.");
                 manager->DestroyTicket(m_payload);
             }
+            m_id = rhs.m_id;
+            rhs.m_id = 0;
+
             m_payload = rhs.m_payload;
             rhs.m_payload = nullptr;
         }
         return *this;
     }
 
+    auto EntitySpawnTicket::GetId() const -> Id
+    {
+        return m_id;
+    }
+
     bool EntitySpawnTicket::IsValid() const
     {
         return m_payload != nullptr;

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesInterface.h

@@ -14,6 +14,7 @@
 
 #include <AzCore/Asset/AssetCommon.h>
 #include <AzCore/Interface/Interface.h>
+#include <AzCore/RTTI/TypeSafeIntegral.h>
 #include <AzCore/std/functional.h>
 #include <AzFramework/Spawnable/Spawnable.h>
 
@@ -24,6 +25,14 @@ namespace AZ
 
 namespace AzFramework
 {
+    AZ_TYPE_SAFE_INTEGRAL(SpawnablePriority, uint8_t);
+
+    inline static constexpr SpawnablePriority SpawnablePriority_Highest  { 0 };
+    inline static constexpr SpawnablePriority SpawnablePriority_High     { 32 };
+    inline static constexpr SpawnablePriority SpawnablePriority_Default  { 128 };
+    inline static constexpr SpawnablePriority SpawnablePriority_Low      { 192 };
+    inline static constexpr SpawnablePriority SpawnablePriority_Lowest   { 255 };
+
     class SpawnableEntityContainerView
     {
     public:
@@ -58,16 +67,84 @@ namespace AzFramework
         AZ::Entity** m_end;
     };
 
-    //! Requests to the SpawnableEntitiesInterface require a ticket with a valid spawnable that be used as a template. A ticket can
-    //! be reused for multiple calls on the same spawnable and is safe to use by multiple threads at the same time. Entities created
+    class SpawnableIndexEntityPair
+    {
+    public:
+        friend class SpawnableIndexEntityIterator;
+
+        AZ::Entity* GetEntity();
+        const AZ::Entity* GetEntity() const;
+        size_t GetIndex() const;
+
+    private:
+        SpawnableIndexEntityPair() = default;
+        SpawnableIndexEntityPair(const SpawnableIndexEntityPair&) = default;
+        SpawnableIndexEntityPair(SpawnableIndexEntityPair&&) = default;
+        SpawnableIndexEntityPair(AZ::Entity** entityIterator, size_t* indexIterator);
+
+        SpawnableIndexEntityPair& operator=(const SpawnableIndexEntityPair&) = default;
+        SpawnableIndexEntityPair& operator=(SpawnableIndexEntityPair&&) = default;
+
+        AZ::Entity** m_entity { nullptr };
+        size_t* m_index { nullptr };
+    };
+
+    class SpawnableIndexEntityIterator
+    {
+    public:
+        // Limited to bidirectional iterator as there's no use case for extending it further, but can be extended if a use case is found.
+        using iterator_category = AZStd::bidirectional_iterator_tag;
+        using value_type = SpawnableIndexEntityPair;
+        using difference_type = size_t;
+        using pointer = SpawnableIndexEntityPair*;
+        using reference = SpawnableIndexEntityPair&;
+
+        SpawnableIndexEntityIterator(AZ::Entity** entityIterator, size_t* indexIterator);
+
+        SpawnableIndexEntityIterator& operator++();
+        SpawnableIndexEntityIterator operator++(int);
+        SpawnableIndexEntityIterator& operator--();
+        SpawnableIndexEntityIterator operator--(int);
+
+        bool operator==(const SpawnableIndexEntityIterator& rhs);
+        bool operator!=(const SpawnableIndexEntityIterator& rhs);
+
+        SpawnableIndexEntityPair& operator*();
+        const SpawnableIndexEntityPair& operator*() const;
+        SpawnableIndexEntityPair* operator->();
+        const SpawnableIndexEntityPair* operator->() const;
+
+    private:
+        SpawnableIndexEntityPair m_value;
+    };
+
+    class SpawnableConstIndexEntityContainerView
+    {
+    public:
+        SpawnableConstIndexEntityContainerView(AZ::Entity** beginEntity, size_t* beginIndices, size_t length);
+
+        const SpawnableIndexEntityIterator& begin();
+        const SpawnableIndexEntityIterator& end();
+        const SpawnableIndexEntityIterator& cbegin();
+        const SpawnableIndexEntityIterator& cend();
+
+    private:
+        SpawnableIndexEntityIterator m_begin;
+        SpawnableIndexEntityIterator m_end;
+    };
+
+    //! Requests to the SpawnableEntitiesInterface require a ticket with a valid spawnable that is used as a template. A ticket can
+    //! be reused for multiple calls on the same spawnable and is safe to be used by multiple threads at the same time. Entities created
     //! from the spawnable may be tracked by the ticket and so using the same ticket is needed to despawn the exact entities created
-    //! by a call so spawn entities. The life cycle of the spawned entities is tied to the ticket and all entities spawned using a
+    //! by a call to spawn entities. The life cycle of the spawned entities is tied to the ticket and all entities spawned using a
     //! ticket will be despawned when it's deleted.
     class EntitySpawnTicket
     {
     public:
         friend class SpawnableEntitiesDefinition;
 
+        using Id = uint64_t;
+
         EntitySpawnTicket() = default;
         EntitySpawnTicket(const EntitySpawnTicket&) = delete;
         EntitySpawnTicket(EntitySpawnTicket&& rhs);
@@ -77,25 +154,37 @@ namespace AzFramework
         EntitySpawnTicket& operator=(const EntitySpawnTicket&) = delete;
         EntitySpawnTicket& operator=(EntitySpawnTicket&& rhs);
 
+        Id GetId() const;
         bool IsValid() const;
 
     private:
         void* m_payload{ nullptr };
+        Id m_id { 0 }; //!< An id that uniquely identifies a ticket.
     };
 
-    using EntitySpawnCallback = AZStd::function<void(EntitySpawnTicket&, SpawnableConstEntityContainerView)>;
-    using EntityPreInsertionCallback = AZStd::function<void(EntitySpawnTicket&, SpawnableEntityContainerView)>;
-    using EntityDespawnCallback = AZStd::function<void(EntitySpawnTicket&)>;
-    using ReloadSpawnableCallback = AZStd::function<void(EntitySpawnTicket&, SpawnableConstEntityContainerView)>;
-    using ListEntitiesCallback = AZStd::function<void(EntitySpawnTicket&, SpawnableConstEntityContainerView)>;
-    using ClaimEntitiesCallback = AZStd::function<void(EntitySpawnTicket&, SpawnableEntityContainerView)>;
-    using BarrierCallback = AZStd::function<void(EntitySpawnTicket&)>;
+    using EntitySpawnCallback = AZStd::function<void(EntitySpawnTicket::Id, SpawnableConstEntityContainerView)>;
+    using EntityPreInsertionCallback = AZStd::function<void(EntitySpawnTicket::Id, SpawnableEntityContainerView)>;
+    using EntityDespawnCallback = AZStd::function<void(EntitySpawnTicket::Id)>;
+    using ReloadSpawnableCallback = AZStd::function<void(EntitySpawnTicket::Id, SpawnableConstEntityContainerView)>;
+    using ListEntitiesCallback = AZStd::function<void(EntitySpawnTicket::Id, SpawnableConstEntityContainerView)>;
+    using ListIndicesEntitiesCallback = AZStd::function<void(EntitySpawnTicket::Id, SpawnableConstIndexEntityContainerView)>;
+    using ClaimEntitiesCallback = AZStd::function<void(EntitySpawnTicket::Id, SpawnableEntityContainerView)>;
+    using BarrierCallback = AZStd::function<void(EntitySpawnTicket::Id)>;
 
     //! Interface definition to (de)spawn entities from a spawnable into the game world.
+    //! 
     //! While the callbacks of the individual calls are being processed they will block processing any other request. Callbacks can be
     //! issued from threads other than the one that issued the call, including the main thread.
+    //!
     //! Calls on the same ticket are guaranteed to be executed in the order they are issued. Note that when issuing requests from
     //! multiple threads on the same ticket the order in which the requests are assigned to the ticket is not guaranteed.
+    //!
+    //! Most calls have a priority with values that range from 0 (highest priority) to 255 (lowest priority). The implementation of this
+    //! interface may choose to use priority lanes which doesn't guarantee that higher priority requests happen before lower priority
+    //! requests if they don't pass the priority lane threshold. Priority lanes and their thresholds are implementation specific and may
+    //! differ between platforms. Note that if a call happened on a ticket with lower priority followed by a one with a higher priority
+    //! the first lower priority call will still need to complete before the second higher priority call can be executed and the priority
+    //! of the first call will not be updated.
     class SpawnableEntitiesDefinition
     {
     public:
@@ -106,49 +195,72 @@ namespace AzFramework
         virtual ~SpawnableEntitiesDefinition() = default;
 
         //! Spawn instances of all entities in the spawnable.
-        //! @param spawnable The Spawnable asset that will be used to create entity instances from.
         //! @param ticket Stores the results of the call. Use this ticket to spawn additional entities or to despawn them.
+        //! @param priority The priority at which this call will be executed.
         //! @param completionCallback Optional callback that's called when spawning entities has completed. This can be called from
         //!     a different thread than the one that made the function call. The returned list of entities contains all the newly
         //!     created entities.
-        virtual void SpawnAllEntities(EntitySpawnTicket& ticket, EntityPreInsertionCallback preInsertionCallback = {},
+        virtual void SpawnAllEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, EntityPreInsertionCallback preInsertionCallback = {},
             EntitySpawnCallback completionCallback = {}) = 0;
         //! Spawn instances of some entities in the spawnable.
         //! @param ticket Stores the results of the call. Use this ticket to spawn additional entities or to despawn them.
+        //! @param priority The priority at which this call will be executed.
         //! @param entityIndices The indices into the template entities stored in the spawnable that will be used to spawn entities from.
         //! @param completionCallback Optional callback that's called when spawning entities has completed. This can be called from
         //!     a different thread than the one that made this function call. The returned list of entities contains all the newly
         //!     created entities.
-        virtual void SpawnEntities(EntitySpawnTicket& ticket, AZStd::vector<size_t> entityIndices,
+        virtual void SpawnEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, AZStd::vector<size_t> entityIndices,
             EntityPreInsertionCallback preInsertionCallback = {}, EntitySpawnCallback completionCallback = {}) = 0;
         //! Removes all entities in the provided list from the environment.
         //! @param ticket The ticket previously used to spawn entities with.
+        //! @param priority The priority at which this call will be executed.
         //! @param completionCallback Optional callback that's called when despawning entities has completed. This can be called from
         //!     a different thread than the one that made this function call.
-        virtual void DespawnAllEntities(EntitySpawnTicket& ticket, EntityDespawnCallback completionCallback = {}) = 0;
+        virtual void DespawnAllEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, EntityDespawnCallback completionCallback = {}) = 0;
 
         //! Removes all entities in the provided list from the environment and reconstructs the entities from the provided spawnable.
-        //! @param ticket Stores the results of the call. Use this ticket to spawn additional entities or to despawn them.
+        //! @param ticket Holds the information on the entities to reload.
+        //! @param priority The priority at which this call will be executed.
         //! @param spawnable The spawnable that will replace the existing spawnable. Both need to have the same asset id.
         //! @param completionCallback Optional callback that's called when the entities have been reloaded. This can be called from
         //!     a different thread than the one that made this function call. The returned list of entities contains all the replacement
         //!     entities.
-        virtual void ReloadSpawnable(EntitySpawnTicket& ticket, AZ::Data::Asset<Spawnable> spawnable,
+        virtual void ReloadSpawnable(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, AZ::Data::Asset<Spawnable> spawnable,
             ReloadSpawnableCallback completionCallback = {}) = 0;
 
         //! List all entities that are spawned using this ticket.
         //! @param ticket Only the entities associated with this ticket will be listed.
+        //! @param priority The priority at which this call will be executed.
         //! @param listCallback Required callback that will be called to list the entities on.
-        virtual void ListEntities(EntitySpawnTicket& ticket, ListEntitiesCallback listCallback) = 0;
+        virtual void ListEntities(EntitySpawnTicket& ticket, SpawnablePriority priority, ListEntitiesCallback listCallback) = 0;
+        //! List all entities that are spawned using this ticket with their spawnable index.
+        //!     Spawnables contain a flat list of entities, which are used as templates to spawn entities from. For every spawned entity
+        //!     the index of the entity in the spawnable that was used as a template is stored. This version of ListEntities will return
+        //!     both the entities and this index. The index can be used with SpawnEntities to create the same entities again. Note that
+        //!     the same index may appear multiple times as there are no restriction on how many instance of a specific entity can be
+        //!     created.
+        //! @param ticket Only the entities associated with this ticket will be listed.
+        //! @param priority The priority at which this call will be executed.
+        //! @param listCallback Required callback that will be called to list the entities and indices on.
+        virtual void ListIndicesAndEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, ListIndicesEntitiesCallback listCallback) = 0;
         //! Claim all entities that are spawned using this ticket. Ownership of the entities is transferred from the ticket to the
         //!     caller through the callback. After this call the ticket will have no entities associated with it. The caller of
         //!     this function will need to manage the entities after this call.
         //! @param ticket Only the entities associated with this ticket will be released.
+        //! @param priority The priority at which this call will be executed.
         //! @param listCallback Required callback that will be called to transfer the entities through.
-        virtual void ClaimEntities(EntitySpawnTicket& ticket, ClaimEntitiesCallback listCallback) = 0;
+        virtual void ClaimEntities(EntitySpawnTicket& ticket, SpawnablePriority priority, ClaimEntitiesCallback listCallback) = 0;
 
         //! Blocks until all operations made on the provided ticket before the barrier call have completed.
-        virtual void Barrier(EntitySpawnTicket& ticket, BarrierCallback completionCallback) = 0;
+        //! @param ticket The ticket to monitor.
+        //! @param priority The priority at which this call will be executed.
+        //! @param completionCallback Required callback that will be called as soon as the barrier has been reached.
+        virtual void Barrier(EntitySpawnTicket& ticket, SpawnablePriority priority, BarrierCallback completionCallback) = 0;
 
         //! Register a handler for OnSpawned events.
         virtual void AddOnSpawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) = 0;
@@ -157,7 +269,7 @@ namespace AzFramework
         virtual void AddOnDespawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) = 0;
 
     protected:
-        [[nodiscard]] virtual void* CreateTicket(AZ::Data::Asset<Spawnable>&& spawnable) = 0;
+        [[nodiscard]] virtual AZStd::pair<EntitySpawnTicket::Id, void*> CreateTicket(AZ::Data::Asset<Spawnable>&& spawnable) = 0;
         virtual void DestroyTicket(void* ticket) = 0;
 
         template<typename T>

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesManager.cpp

@@ -10,9 +10,11 @@
 *
 */
 
+#include <AzCore/Casting/numeric_cast.h>
 #include <AzCore/Component/ComponentApplicationBus.h>
 #include <AzCore/Serialization/IdUtils.h>
 #include <AzCore/Serialization/SerializeContext.h>
+#include <AzCore/Settings/SettingsRegistry.h>
 #include <AzCore/std/parallel/scoped_lock.h>
 #include <AzCore/std/smart_ptr/make_shared.h>
 #include <AzFramework/Components/TransformComponent.h>
@@ -22,102 +24,122 @@
 
 namespace AzFramework
 {
-    void SpawnableEntitiesManager::SpawnAllEntities(EntitySpawnTicket& ticket, EntityPreInsertionCallback preInsertionCallback,
+    template<typename T>
+    void SpawnableEntitiesManager::QueueRequest(EntitySpawnTicket& ticket, SpawnablePriority priority, T&& request)
+    {
+        request.m_ticket = &GetTicketPayload<Ticket>(ticket);
+        Queue& queue = priority <= m_highPriorityThreshold ? m_highPriorityQueue : m_regularPriorityQueue;
+        {
+            AZStd::scoped_lock queueLock(queue.m_pendingRequestMutex);
+            request.m_requestId = GetTicketPayload<Ticket>(ticket).m_nextRequestId++;
+            queue.m_pendingRequest.push(AZStd::move(request));
+        }
+    }
+
+    SpawnableEntitiesManager::SpawnableEntitiesManager()
+    {
+        if (auto settingsRegistry = AZ::SettingsRegistry::Get(); settingsRegistry != nullptr)
+        {
+            AZ::u64 value = aznumeric_caster(m_highPriorityThreshold);
+            settingsRegistry->Get(value, "/O3DE/AzFramework/Spawnables/HighPriorityThreshold");
+            m_highPriorityThreshold = aznumeric_cast<SpawnablePriority>(AZStd::clamp(value, 0llu, 255llu));
+        }
+    }
+
+    void SpawnableEntitiesManager::SpawnAllEntities(
+        EntitySpawnTicket& ticket, SpawnablePriority priority, EntityPreInsertionCallback preInsertionCallback,
         EntitySpawnCallback completionCallback)
     {
+        AZ_Assert(ticket.IsValid(), "Ticket provided to SpawnAllEntities hasn't been initialized.");
+
         SpawnAllEntitiesCommand queueEntry;
-        queueEntry.m_ticket = &ticket;
+        queueEntry.m_ticketId = ticket.GetId();
         queueEntry.m_completionCallback = AZStd::move(completionCallback);
         queueEntry.m_preInsertionCallback = AZStd::move(preInsertionCallback);
-        {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = GetTicketPayload<Ticket>(ticket).m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
-        }
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
     }
 
     void SpawnableEntitiesManager::SpawnEntities(
-        EntitySpawnTicket& ticket, AZStd::vector<size_t> entityIndices,
+        EntitySpawnTicket& ticket, SpawnablePriority priority, AZStd::vector<size_t> entityIndices,
         EntityPreInsertionCallback preInsertionCallback, EntitySpawnCallback completionCallback)
     {
+        AZ_Assert(ticket.IsValid(), "Ticket provided to SpawnEntities hasn't been initialized.");
+
         SpawnEntitiesCommand queueEntry;
-        queueEntry.m_ticket = &ticket;
+        queueEntry.m_ticketId = ticket.GetId();
         queueEntry.m_entityIndices = AZStd::move(entityIndices);
         queueEntry.m_completionCallback = AZStd::move(completionCallback);
         queueEntry.m_preInsertionCallback = AZStd::move(preInsertionCallback);
-        {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = GetTicketPayload<Ticket>(ticket).m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
-        }
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
     }
 
-    void SpawnableEntitiesManager::DespawnAllEntities(EntitySpawnTicket& ticket, EntityDespawnCallback completionCallback)
+    void SpawnableEntitiesManager::DespawnAllEntities(
+        EntitySpawnTicket& ticket, SpawnablePriority priority, EntityDespawnCallback completionCallback)
     {
+        AZ_Assert(ticket.IsValid(), "Ticket provided to DespawnAllEntities hasn't been initialized.");
+
         DespawnAllEntitiesCommand queueEntry;
-        queueEntry.m_ticket = &ticket;
+        queueEntry.m_ticketId = ticket.GetId();
         queueEntry.m_completionCallback = AZStd::move(completionCallback);
-        {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = GetTicketPayload<Ticket>(ticket).m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
-        }
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
     }
 
-    void SpawnableEntitiesManager::ReloadSpawnable(EntitySpawnTicket& ticket, AZ::Data::Asset<Spawnable> spawnable,
+    void SpawnableEntitiesManager::ReloadSpawnable(
+        EntitySpawnTicket& ticket, SpawnablePriority priority, AZ::Data::Asset<Spawnable> spawnable,
         ReloadSpawnableCallback completionCallback)
     {
+        AZ_Assert(ticket.IsValid(), "Ticket provided to ReloadSpawnable hasn't been initialized.");
+
         ReloadSpawnableCommand queueEntry;
-        queueEntry.m_ticket = &ticket;
+        queueEntry.m_ticketId = ticket.GetId();
         queueEntry.m_spawnable = AZStd::move(spawnable);
         queueEntry.m_completionCallback = AZStd::move(completionCallback);
-        {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = GetTicketPayload<Ticket>(ticket).m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
-        }
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
     }
 
-    void SpawnableEntitiesManager::ListEntities(EntitySpawnTicket& ticket, ListEntitiesCallback listCallback)
+    void SpawnableEntitiesManager::ListEntities(EntitySpawnTicket& ticket, SpawnablePriority priority, ListEntitiesCallback listCallback)
     {
         AZ_Assert(listCallback, "ListEntities called on spawnable entities without a valid callback to use.");
+        AZ_Assert(ticket.IsValid(), "Ticket provided to ListEntities hasn't been initialized.");
 
         ListEntitiesCommand queueEntry;
-        queueEntry.m_ticket = &ticket;
+        queueEntry.m_ticketId = ticket.GetId();
         queueEntry.m_listCallback = AZStd::move(listCallback);
-        {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = GetTicketPayload<Ticket>(ticket).m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
-        }
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
     }
 
-    void SpawnableEntitiesManager::ClaimEntities(EntitySpawnTicket& ticket, ClaimEntitiesCallback listCallback)
+    void SpawnableEntitiesManager::ListIndicesAndEntities(
+        EntitySpawnTicket& ticket, SpawnablePriority priority, ListIndicesEntitiesCallback listCallback)
+    {
+        AZ_Assert(listCallback, "ListEntities called on spawnable entities without a valid callback to use.");
+        AZ_Assert(ticket.IsValid(), "Ticket provided to ListEntities hasn't been initialized.");
+
+        ListIndicesEntitiesCommand queueEntry;
+        queueEntry.m_ticketId = ticket.GetId();
+        queueEntry.m_listCallback = AZStd::move(listCallback);
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
+    }
+
+    void SpawnableEntitiesManager::ClaimEntities(EntitySpawnTicket& ticket, SpawnablePriority priority, ClaimEntitiesCallback listCallback)
     {
         AZ_Assert(listCallback, "ClaimEntities called on spawnable entities without a valid callback to use.");
+        AZ_Assert(ticket.IsValid(), "Ticket provided to ClaimEntities hasn't been initialized.");
 
         ClaimEntitiesCommand queueEntry;
-        queueEntry.m_ticket = &ticket;
+        queueEntry.m_ticketId = ticket.GetId();
         queueEntry.m_listCallback = AZStd::move(listCallback);
-        {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = GetTicketPayload<Ticket>(ticket).m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
-        }
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
     }
 
-    void SpawnableEntitiesManager::Barrier(EntitySpawnTicket& ticket, BarrierCallback completionCallback)
+    void SpawnableEntitiesManager::Barrier(EntitySpawnTicket& ticket, SpawnablePriority priority, BarrierCallback completionCallback)
     {
         AZ_Assert(completionCallback, "Barrier on spawnable entities called without a valid callback to use.");
+        AZ_Assert(ticket.IsValid(), "Ticket provided to Barrier hasn't been initialized.");
 
         BarrierCommand queueEntry;
-        queueEntry.m_ticket = &ticket;
+        queueEntry.m_ticketId = ticket.GetId();
         queueEntry.m_completionCallback = AZStd::move(completionCallback);
-        {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = GetTicketPayload<Ticket>(ticket).m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
-        }
+        QueueRequest(ticket, priority, AZStd::move(queueEntry));
     }
 
     void SpawnableEntitiesManager::AddOnSpawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler)
@@ -130,34 +152,54 @@ namespace AzFramework
         handler.Connect(m_onDespawnedEvent);
     }
 
-    auto SpawnableEntitiesManager::ProcessQueue() -> CommandQueueStatus
+    auto SpawnableEntitiesManager::ProcessQueue(CommandQueuePriority priority) -> CommandQueueStatus
+    {
+        CommandQueueStatus result = CommandQueueStatus::NoCommandsLeft;
+        if ((priority & CommandQueuePriority::High) == CommandQueuePriority::High)
+        {
+            if (ProcessQueue(m_highPriorityQueue) == CommandQueueStatus::HasCommandsLeft)
+            {
+                result = CommandQueueStatus::HasCommandsLeft;
+            }
+        }
+        if ((priority & CommandQueuePriority::Regular) == CommandQueuePriority::Regular)
+        {
+            if (ProcessQueue(m_regularPriorityQueue) == CommandQueueStatus::HasCommandsLeft)
+            {
+                result = CommandQueueStatus::HasCommandsLeft;
+            }
+        }
+        return result;
+    }
+
+    auto SpawnableEntitiesManager::ProcessQueue(Queue& queue) -> CommandQueueStatus
     {
         AZStd::queue<Requests> pendingRequestQueue;
         {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            m_pendingRequestQueue.swap(pendingRequestQueue);
+            AZStd::scoped_lock queueLock(queue.m_pendingRequestMutex);
+            queue.m_pendingRequest.swap(pendingRequestQueue);
         }
 
-        if (!pendingRequestQueue.empty() || !m_delayedQueue.empty())
+        if (!pendingRequestQueue.empty() || !queue.m_delayed.empty())
         {
             AZ::SerializeContext* serializeContext = nullptr;
             AZ::ComponentApplicationBus::BroadcastResult(serializeContext, &AZ::ComponentApplicationBus::Events::GetSerializeContext);
             AZ_Assert(serializeContext, "Failed to retrieve serialization context.");
 
             // Only process the requests that are currently in this queue, not the ones that could be re-added if they still can't complete.
-            size_t delayedSize = m_delayedQueue.size();
+            size_t delayedSize = queue.m_delayed.size();
             for (size_t i = 0; i < delayedSize; ++i)
             {
-                Requests& request = m_delayedQueue.front();
+                Requests& request = queue.m_delayed.front();
                 bool result = AZStd::visit([this, serializeContext](auto&& args) -> bool
                     {
                         return ProcessRequest(args, *serializeContext);
                     }, request);
                 if (!result)
                 {
-                    m_delayedQueue.emplace_back(AZStd::move(request));
+                    queue.m_delayed.emplace_back(AZStd::move(request));
                 }
-                m_delayedQueue.pop_front();
+                queue.m_delayed.pop_front();
             }
 
             do
@@ -171,7 +213,7 @@ namespace AzFramework
                         }, request);
                     if (!result)
                     {
-                        m_delayedQueue.emplace_back(AZStd::move(request));
+                        queue.m_delayed.emplace_back(AZStd::move(request));
                     }
                     pendingRequestQueue.pop();
                 }
@@ -179,20 +221,22 @@ namespace AzFramework
                 // Spawning entities can result in more entities being queued to spawn. Repeat spawning until the queue is
                 // empty to avoid a chain of entity spawning getting dragged out over multiple frames.
                 {
-                    AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-                    m_pendingRequestQueue.swap(pendingRequestQueue);
+                    AZStd::scoped_lock queueLock(queue.m_pendingRequestMutex);
+                    queue.m_pendingRequest.swap(pendingRequestQueue);
                 }
             } while (!pendingRequestQueue.empty());
         }
 
-        return m_delayedQueue.empty() ? CommandQueueStatus::NoCommandLeft : CommandQueueStatus::HasCommandsLeft;
+        return queue.m_delayed.empty() ? CommandQueueStatus::NoCommandsLeft : CommandQueueStatus::HasCommandsLeft;
     }
 
-    void* SpawnableEntitiesManager::CreateTicket(AZ::Data::Asset<Spawnable>&& spawnable)
+    AZStd::pair<uint64_t, void*> SpawnableEntitiesManager::CreateTicket(AZ::Data::Asset<Spawnable>&& spawnable)
     {
+        static AZStd::atomic_uint64_t idCounter { 1 };
+
         auto result = aznew Ticket();
         result->m_spawnable = AZStd::move(spawnable);
-        return result;
+        return AZStd::make_pair<EntitySpawnTicket::Id, void*>(idCounter++, result);
     }
 
     void SpawnableEntitiesManager::DestroyTicket(void* ticket)
@@ -200,9 +244,9 @@ namespace AzFramework
         DestroyTicketCommand queueEntry;
         queueEntry.m_ticket = reinterpret_cast<Ticket*>(ticket);
         {
-            AZStd::scoped_lock queueLock(m_pendingRequestQueueMutex);
-            queueEntry.m_ticketId = reinterpret_cast<Ticket*>(ticket)->m_nextTicketId++;
-            m_pendingRequestQueue.push(AZStd::move(queueEntry));
+            AZStd::scoped_lock queueLock(m_regularPriorityQueue.m_pendingRequestMutex);
+            queueEntry.m_requestId = reinterpret_cast<Ticket*>(ticket)->m_nextRequestId++;
+            m_regularPriorityQueue.m_pendingRequest.push(AZStd::move(queueEntry));
         }
     }
 
@@ -225,8 +269,8 @@ namespace AzFramework
 
     bool SpawnableEntitiesManager::ProcessRequest(SpawnAllEntitiesCommand& request, AZ::SerializeContext& serializeContext)
     {
-        Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
-        if (ticket.m_spawnable.IsReady() && request.m_ticketId == ticket.m_currentTicketId)
+        Ticket& ticket = *request.m_ticket;
+        if (ticket.m_spawnable.IsReady() && request.m_requestId == ticket.m_currentRequestId)
         {
             AZStd::vector<AZ::Entity*>& spawnedEntities = ticket.m_spawnedEntities;
             AZStd::vector<size_t>& spawnedEntityIndices = ticket.m_spawnedEntityIndices;
@@ -274,7 +318,7 @@ namespace AzFramework
             // Let other systems know about newly spawned entities for any pre-processing before adding to the scene/game context.
             if (request.m_preInsertionCallback)
             {
-                request.m_preInsertionCallback(*request.m_ticket, SpawnableEntityContainerView(
+                request.m_preInsertionCallback(request.m_ticketId, SpawnableEntityContainerView(
                         ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
             }
 
@@ -288,13 +332,13 @@ namespace AzFramework
             // Let other systems know about newly spawned entities for any post-processing after adding to the scene/game context.
             if (request.m_completionCallback)
             {
-                request.m_completionCallback(*request.m_ticket, SpawnableConstEntityContainerView(
+                request.m_completionCallback(request.m_ticketId, SpawnableConstEntityContainerView(
                         ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
             }
 
             m_onSpawnedEvent.Signal(ticket.m_spawnable);
 
-            ticket.m_currentTicketId++;
+            ticket.m_currentRequestId++;
             return true;
         }
         else
@@ -305,8 +349,8 @@ namespace AzFramework
 
     bool SpawnableEntitiesManager::ProcessRequest(SpawnEntitiesCommand& request, AZ::SerializeContext& serializeContext)
     {
-        Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
-        if (ticket.m_spawnable.IsReady() && request.m_ticketId == ticket.m_currentTicketId)
+        Ticket& ticket = *request.m_ticket;
+        if (ticket.m_spawnable.IsReady() && request.m_requestId == ticket.m_currentRequestId)
         {
             AZStd::vector<AZ::Entity*>& spawnedEntities = ticket.m_spawnedEntities;
             AZStd::vector<size_t>& spawnedEntityIndices = ticket.m_spawnedEntityIndices;
@@ -341,9 +385,7 @@ namespace AzFramework
             // Let other systems know about newly spawned entities for any pre-processing before adding to the scene/game context.
             if (request.m_preInsertionCallback)
             {
-                request.m_preInsertionCallback(
-                    *request.m_ticket,
-                    SpawnableEntityContainerView(
+                request.m_preInsertionCallback(request.m_ticketId, SpawnableEntityContainerView(
                         ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
             }
 
@@ -356,13 +398,13 @@ namespace AzFramework
 
             if (request.m_completionCallback)
             {
-                request.m_completionCallback(*request.m_ticket, SpawnableConstEntityContainerView(
+                request.m_completionCallback(request.m_ticketId, SpawnableConstEntityContainerView(
                     ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
             }
 
             m_onSpawnedEvent.Signal(ticket.m_spawnable);
 
-            ticket.m_currentTicketId++;
+            ticket.m_currentRequestId++;
             return true;
         }
         else
@@ -374,8 +416,8 @@ namespace AzFramework
     bool SpawnableEntitiesManager::ProcessRequest(DespawnAllEntitiesCommand& request,
         [[maybe_unused]] AZ::SerializeContext& serializeContext)
     {
-        Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
-        if (request.m_ticketId == ticket.m_currentTicketId)
+        Ticket& ticket = *request.m_ticket;
+        if (request.m_requestId == ticket.m_currentRequestId)
         {
             for (AZ::Entity* entity : ticket.m_spawnedEntities)
             {
@@ -391,12 +433,12 @@ namespace AzFramework
 
             if (request.m_completionCallback)
             {
-                request.m_completionCallback(*request.m_ticket);
+                request.m_completionCallback(request.m_ticketId);
             }
 
             m_onDespawnedEvent.Signal(ticket.m_spawnable);
 
-            ticket.m_currentTicketId++;
+            ticket.m_currentRequestId++;
             return true;
         }
         else
@@ -407,11 +449,11 @@ namespace AzFramework
 
     bool SpawnableEntitiesManager::ProcessRequest(ReloadSpawnableCommand& request, AZ::SerializeContext& serializeContext)
     {
-        Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
+        Ticket& ticket = *request.m_ticket;
         AZ_Assert(ticket.m_spawnable.GetId() == request.m_spawnable.GetId(),
             "Spawnable is being reloaded, but the provided spawnable has a different asset id. "
             "This will likely result in unexpected entities being created.");
-        if (ticket.m_spawnable.IsReady() && request.m_ticketId == ticket.m_currentTicketId)
+        if (ticket.m_spawnable.IsReady() && request.m_requestId == ticket.m_currentRequestId)
         {
             // Delete the original entities.
             for (AZ::Entity* entity : ticket.m_spawnedEntities)
@@ -467,11 +509,11 @@ namespace AzFramework
 
             if (request.m_completionCallback)
             {
-                request.m_completionCallback(*request.m_ticket, SpawnableConstEntityContainerView(
+                request.m_completionCallback(request.m_ticketId, SpawnableConstEntityContainerView(
                     ticket.m_spawnedEntities.begin(), ticket.m_spawnedEntities.end()));
             }
 
-            ticket.m_currentTicketId++;
+            ticket.m_currentRequestId++;
 
             m_onSpawnedEvent.Signal(ticket.m_spawnable);
 
@@ -485,12 +527,31 @@ namespace AzFramework
 
     bool SpawnableEntitiesManager::ProcessRequest(ListEntitiesCommand& request, [[maybe_unused]] AZ::SerializeContext& serializeContext)
     {
-        Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
-        if (request.m_ticketId == ticket.m_currentTicketId)
+        Ticket& ticket = *request.m_ticket;
+        if (request.m_requestId == ticket.m_currentRequestId)
         {
-            request.m_listCallback(*request.m_ticket, SpawnableConstEntityContainerView(
+            request.m_listCallback(request.m_ticketId, SpawnableConstEntityContainerView(
                 ticket.m_spawnedEntities.begin(), ticket.m_spawnedEntities.end()));
-            ticket.m_currentTicketId++;
+            ticket.m_currentRequestId++;
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    bool SpawnableEntitiesManager::ProcessRequest(ListIndicesEntitiesCommand& request, [[maybe_unused]] AZ::SerializeContext& serializeContext)
+    {
+        Ticket& ticket = *request.m_ticket;
+        if (request.m_requestId == ticket.m_currentRequestId)
+        {
+            AZ_Assert(
+                ticket.m_spawnedEntities.size() == ticket.m_spawnedEntityIndices.size(),
+                "Entities and indices on spawnable ticket have gone out of sync.");
+            request.m_listCallback(request.m_ticketId, SpawnableConstIndexEntityContainerView(
+                    ticket.m_spawnedEntities.begin(), ticket.m_spawnedEntityIndices.begin(), ticket.m_spawnedEntities.size()));
+            ticket.m_currentRequestId++;
             return true;
         }
         else
@@ -501,16 +562,16 @@ namespace AzFramework
 
     bool SpawnableEntitiesManager::ProcessRequest(ClaimEntitiesCommand& request, [[maybe_unused]] AZ::SerializeContext& serializeContext)
     {
-        Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
-        if (request.m_ticketId == ticket.m_currentTicketId)
+        Ticket& ticket = *request.m_ticket;
+        if (request.m_requestId == ticket.m_currentRequestId)
         {
-            request.m_listCallback(*request.m_ticket, SpawnableEntityContainerView(
+            request.m_listCallback(request.m_ticketId, SpawnableEntityContainerView(
                 ticket.m_spawnedEntities.begin(), ticket.m_spawnedEntities.end()));
 
             ticket.m_spawnedEntities.clear();
             ticket.m_spawnedEntityIndices.clear();
 
-            ticket.m_currentTicketId++;
+            ticket.m_currentRequestId++;
             return true;
         }
         else
@@ -521,15 +582,15 @@ namespace AzFramework
 
     bool SpawnableEntitiesManager::ProcessRequest(BarrierCommand& request, [[maybe_unused]] AZ::SerializeContext& serializeContext)
     {
-        Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
-        if (request.m_ticketId == ticket.m_currentTicketId)
+        Ticket& ticket = *request.m_ticket;
+        if (request.m_requestId == ticket.m_currentRequestId)
         {
             if (request.m_completionCallback)
             {
-                request.m_completionCallback(*request.m_ticket);
+                request.m_completionCallback(request.m_ticketId);
             }
 
-            ticket.m_currentTicketId++;
+            ticket.m_currentRequestId++;
             return true;
         }
         else
@@ -540,7 +601,7 @@ namespace AzFramework
 
     bool SpawnableEntitiesManager::ProcessRequest(DestroyTicketCommand& request, [[maybe_unused]] AZ::SerializeContext& serializeContext)
     {
-        if (request.m_ticketId == request.m_ticket->m_currentTicketId)
+        if (request.m_requestId == request.m_ticket->m_currentRequestId)
         {
             for (AZ::Entity* entity : request.m_ticket->m_spawnedEntities)
             {
@@ -559,24 +620,4 @@ namespace AzFramework
             return false;
         }
     }
-
-    bool SpawnableEntitiesManager::IsEqualTicket(const EntitySpawnTicket* lhs, const EntitySpawnTicket* rhs)
-    {
-        return GetTicketPayload<Ticket>(lhs) == GetTicketPayload<Ticket>(rhs);
-    }
-
-    bool SpawnableEntitiesManager::IsEqualTicket(const Ticket* lhs, const EntitySpawnTicket* rhs)
-    {
-        return lhs == GetTicketPayload<Ticket>(rhs);
-    }
-
-    bool SpawnableEntitiesManager::IsEqualTicket(const EntitySpawnTicket* lhs, const Ticket* rhs)
-    {
-        return GetTicketPayload<Ticket>(lhs) == rhs;
-    }
-
-    bool SpawnableEntitiesManager::IsEqualTicket(const Ticket* lhs, const Ticket* rhs)
-    {
-        return lhs = rhs;
-    }
 } // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesManager.h

@@ -29,38 +29,54 @@ namespace AZ
 
 namespace AzFramework
 {
-    using EntityIdMap = AZStd::unordered_map<AZ::EntityId, AZ::EntityId>;
-
     class SpawnableEntitiesManager
         : public SpawnableEntitiesInterface::Registrar
     {
     public:
         AZ_RTTI(AzFramework::SpawnableEntitiesManager, "{6E14333F-128C-464C-94CA-A63B05A5E51C}");
+        AZ_CLASS_ALLOCATOR(SpawnableEntitiesManager, AZ::SystemAllocator, 0);
+
+        using EntityIdMap = AZStd::unordered_map<AZ::EntityId, AZ::EntityId>;
 
         enum class CommandQueueStatus : bool
         {
             HasCommandsLeft,
-            NoCommandLeft
+            NoCommandsLeft
         };
 
+        enum class CommandQueuePriority
+        {
+            High = 1 << 0,
+            Regular = 1 << 1
+        };
+
+        SpawnableEntitiesManager();
         ~SpawnableEntitiesManager() override = default;
 
         //
         // The following functions are thread safe
         //
 
-        void SpawnAllEntities(EntitySpawnTicket& ticket, EntityPreInsertionCallback preInsertionCallback = {}, EntitySpawnCallback completionCallback = {}) override;
-        void SpawnEntities(EntitySpawnTicket& ticket, AZStd::vector<size_t> entityIndices, EntityPreInsertionCallback preInsertionCallback = {},
+        void SpawnAllEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, EntityPreInsertionCallback preInsertionCallback = {},
             EntitySpawnCallback completionCallback = {}) override;
-        void DespawnAllEntities(EntitySpawnTicket& ticket, EntityDespawnCallback completionCallback = {}) override;
+        void SpawnEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, AZStd::vector<size_t> entityIndices,
+            EntityPreInsertionCallback preInsertionCallback = {},
+            EntitySpawnCallback completionCallback = {}) override;
+        void DespawnAllEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, EntityDespawnCallback completionCallback = {}) override;
 
-        void ReloadSpawnable(EntitySpawnTicket& ticket, AZ::Data::Asset<Spawnable> spawnable,
+        void ReloadSpawnable(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, AZ::Data::Asset<Spawnable> spawnable,
             ReloadSpawnableCallback completionCallback = {}) override;
 
-        void ListEntities(EntitySpawnTicket& ticket, ListEntitiesCallback listCallback) override;
-        void ClaimEntities(EntitySpawnTicket& ticket, ClaimEntitiesCallback listCallback) override;
+        void ListEntities(EntitySpawnTicket& ticket, SpawnablePriority priority, ListEntitiesCallback listCallback) override;
+        void ListIndicesAndEntities(
+            EntitySpawnTicket& ticket, SpawnablePriority priority, ListIndicesEntitiesCallback listCallback) override;
+        void ClaimEntities(EntitySpawnTicket& ticket, SpawnablePriority priority, ClaimEntitiesCallback listCallback) override;
 
-        void Barrier(EntitySpawnTicket& spawnInfo, BarrierCallback completionCallback) override;
+        void Barrier(EntitySpawnTicket& spawnInfo, SpawnablePriority priority, BarrierCallback completionCallback) override;
 
         void AddOnSpawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) override;
         void AddOnDespawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) override;
@@ -69,13 +85,9 @@ namespace AzFramework
         // The following function is thread safe but intended to be run from the main thread.
         //
 
-        CommandQueueStatus ProcessQueue();
+        CommandQueueStatus ProcessQueue(CommandQueuePriority priority);
 
     protected:
-        void* CreateTicket(AZ::Data::Asset<Spawnable>&& spawnable) override;
-        void DestroyTicket(void* ticket) override;
-
-    private:
         struct Ticket
         {
             AZ_CLASS_ALLOCATOR(Ticket, AZ::ThreadPoolAllocator, 0);
@@ -84,8 +96,8 @@ namespace AzFramework
             AZStd::vector<AZ::Entity*> m_spawnedEntities;
             AZStd::vector<size_t> m_spawnedEntityIndices;
             AZ::Data::Asset<Spawnable> m_spawnable;
-            uint32_t m_nextTicketId{ 0 }; //!< Next id for this ticket.
-            uint32_t m_currentTicketId{ 0 }; //!< The id for the command that should be executed.
+            uint32_t m_nextRequestId{ 0 }; //!< Next id for this ticket.
+            uint32_t m_currentRequestId { 0 }; //!< The id for the command that should be executed.
             bool m_loadAll{ true };
         };
 
@@ -93,56 +105,85 @@ namespace AzFramework
         {
             EntitySpawnCallback m_completionCallback;
             EntityPreInsertionCallback m_preInsertionCallback;
-            EntitySpawnTicket* m_ticket;
-            uint32_t m_ticketId;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
         };
         struct SpawnEntitiesCommand
         {
             AZStd::vector<size_t> m_entityIndices;
             EntitySpawnCallback m_completionCallback;
             EntityPreInsertionCallback m_preInsertionCallback;
-            EntitySpawnTicket* m_ticket;
-            uint32_t m_ticketId;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
         };
         struct DespawnAllEntitiesCommand
         {
             EntityDespawnCallback m_completionCallback;
-            EntitySpawnTicket* m_ticket;
-            uint32_t m_ticketId;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
         };
         struct ReloadSpawnableCommand
         {
             AZ::Data::Asset<Spawnable> m_spawnable;
             ReloadSpawnableCallback m_completionCallback;
-            EntitySpawnTicket* m_ticket;
-            uint32_t m_ticketId;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
         };
         struct ListEntitiesCommand
         {
             ListEntitiesCallback m_listCallback;
-            EntitySpawnTicket* m_ticket;
-            uint32_t m_ticketId;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
+        };
+        struct ListIndicesEntitiesCommand
+        {
+            ListIndicesEntitiesCallback m_listCallback;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
         };
         struct ClaimEntitiesCommand
         {
             ClaimEntitiesCallback m_listCallback;
-            EntitySpawnTicket* m_ticket;
-            uint32_t m_ticketId;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
         };
         struct BarrierCommand
         {
             BarrierCallback m_completionCallback;
-            EntitySpawnTicket* m_ticket;
-            uint32_t m_ticketId;
+            Ticket* m_ticket;
+            EntitySpawnTicket::Id m_ticketId;
+            uint32_t m_requestId;
         };
         struct DestroyTicketCommand
         {
             Ticket* m_ticket;
-            uint32_t m_ticketId;
+            uint32_t m_requestId;
         };
 
-        using Requests = AZStd::variant<SpawnAllEntitiesCommand, SpawnEntitiesCommand, DespawnAllEntitiesCommand, ReloadSpawnableCommand,
-            ListEntitiesCommand, ClaimEntitiesCommand, BarrierCommand, DestroyTicketCommand>;
+        using Requests = AZStd::variant<
+            SpawnAllEntitiesCommand, SpawnEntitiesCommand, DespawnAllEntitiesCommand, ReloadSpawnableCommand, ListEntitiesCommand,
+            ListIndicesEntitiesCommand, ClaimEntitiesCommand, BarrierCommand, DestroyTicketCommand>;
+
+        struct Queue
+        {
+            AZStd::deque<Requests> m_delayed; //!< Requests that were processed before, but couldn't be completed.
+            AZStd::queue<Requests> m_pendingRequest; //!< Requests waiting to be processed for the first time.
+            AZStd::mutex m_pendingRequestMutex;
+        };
+
+        template<typename T>
+        void QueueRequest(EntitySpawnTicket& ticket, SpawnablePriority priority, T&& request);
+        AZStd::pair<EntitySpawnTicket::Id, void*> CreateTicket(AZ::Data::Asset<Spawnable>&& spawnable) override;
+        void DestroyTicket(void* ticket) override;
+
+        CommandQueueStatus ProcessQueue(Queue& queue);
 
         AZ::Entity* SpawnSingleEntity(const AZ::Entity& entityTemplate,
             AZ::SerializeContext& serializeContext);
@@ -155,20 +196,23 @@ namespace AzFramework
         bool ProcessRequest(DespawnAllEntitiesCommand& request, AZ::SerializeContext& serializeContext);
         bool ProcessRequest(ReloadSpawnableCommand& request, AZ::SerializeContext& serializeContext);
         bool ProcessRequest(ListEntitiesCommand& request, AZ::SerializeContext& serializeContext);
+        bool ProcessRequest(ListIndicesEntitiesCommand& request, AZ::SerializeContext& serializeContext);
         bool ProcessRequest(ClaimEntitiesCommand& request, AZ::SerializeContext& serializeContext);
         bool ProcessRequest(BarrierCommand& request, AZ::SerializeContext& serializeContext);
         bool ProcessRequest(DestroyTicketCommand& request, AZ::SerializeContext& serializeContext);
 
-        [[nodiscard]] static bool IsEqualTicket(const EntitySpawnTicket* lhs, const EntitySpawnTicket* rhs);
-        [[nodiscard]] static bool IsEqualTicket(const Ticket* lhs, const EntitySpawnTicket* rhs);
-        [[nodiscard]] static bool IsEqualTicket(const EntitySpawnTicket* lhs, const Ticket* rhs);
-        [[nodiscard]] static bool IsEqualTicket(const Ticket* lhs, const Ticket* rhs);
-
-        AZStd::deque<Requests> m_delayedQueue; //!< Requests that were processed before, but couldn't be completed.
-        AZStd::queue<Requests> m_pendingRequestQueue;
-        AZStd::mutex m_pendingRequestQueueMutex;
+        Queue m_highPriorityQueue;
+        Queue m_regularPriorityQueue;
 
         AZ::Event<AZ::Data::Asset<Spawnable>> m_onSpawnedEvent;
         AZ::Event<AZ::Data::Asset<Spawnable>> m_onDespawnedEvent;
+
+        //! The threshold used to determine if a request goes in the regular (if bigger than the value) or high priority queue (if smaller
+        //! or equal to this value). The starting value of 64 is chosen as it's between default values SpawnablePriority_High and
+        //! SpawnablePriority_Default which gives users a bit of room to fine tune the priorities as this value can be configured
+        //! through the Settings Registry under the key "/O3DE/AzFramework/Spawnables/HighPriorityThreshold".
+        SpawnablePriority m_highPriorityThreshold { 64 };
     };
+
+    AZ_DEFINE_ENUM_BITWISE_OPERATORS(AzFramework::SpawnableEntitiesManager::CommandQueuePriority);
 } // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.cpp

@@ -48,10 +48,23 @@ namespace AzFramework
 
     void SpawnableSystemComponent::OnTick(float /*deltaTime*/, AZ::ScriptTimePoint /*time*/)
     {
-        m_entitiesManager.ProcessQueue();
+        m_entitiesManager.ProcessQueue(
+            SpawnableEntitiesManager::CommandQueuePriority::High | SpawnableEntitiesManager::CommandQueuePriority::Regular);
         RootSpawnableNotificationBus::ExecuteQueuedEvents();
     }
 
+    int SpawnableSystemComponent::GetTickOrder()
+    {
+        return AZ::ComponentTickBus::TICK_GAME;
+    }
+
+    void SpawnableSystemComponent::OnSystemTick()
+    {
+        // Handle only high priority spawning events such as those created from network. These need to happen even if the client
+        // doesn't have focus to avoid time-out issues for instance.
+        m_entitiesManager.ProcessQueue(SpawnableEntitiesManager::CommandQueuePriority::High);
+    }
+
     void SpawnableSystemComponent::OnCatalogLoaded([[maybe_unused]] const char* catalogFile)
     {
         if (!m_catalogAvailable)
@@ -168,7 +181,8 @@ namespace AzFramework
             SpawnableEntitiesManager::CommandQueueStatus queueStatus;
             do
             {
-                queueStatus = m_entitiesManager.ProcessQueue();
+                queueStatus = m_entitiesManager.ProcessQueue(
+                    SpawnableEntitiesManager::CommandQueuePriority::High | SpawnableEntitiesManager::CommandQueuePriority::Regular);
             } while (queueStatus == SpawnableEntitiesManager::CommandQueueStatus::HasCommandsLeft);
         }
 

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.h

@@ -28,6 +28,7 @@ namespace AzFramework
     class SpawnableSystemComponent
         : public AZ::Component
         , public AZ::TickBus::Handler
+        , public AZ::SystemTickBus::Handler
         , public AssetCatalogEventBus::Handler
         , public RootSpawnableInterface::Registrar
         , public RootSpawnableNotificationBus::Handler
@@ -58,6 +59,13 @@ namespace AzFramework
         //
 
         void OnTick(float deltaTime, AZ::ScriptTimePoint time) override;
+        int GetTickOrder() override;
+
+        //
+        // SystemTickBus
+        //
+
+        void OnSystemTick() override;
 
         //
         // AssetCatalogEventBus

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

@@ -29,7 +29,7 @@ namespace AzFramework
     AZ_CVAR(float, ed_cameraSystemOrbitDollyScrollSpeed, 0.02f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
     AZ_CVAR(float, ed_cameraSystemOrbitDollyCursorSpeed, 0.01f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
     AZ_CVAR(float, ed_cameraSystemScrollTranslateSpeed, 0.02f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
-    AZ_CVAR(float, ed_cameraSystemMinOrbitDistance, 6.0f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
+    AZ_CVAR(float, ed_cameraSystemMinOrbitDistance, 10.0f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
     AZ_CVAR(float, ed_cameraSystemMaxOrbitDistance, 50.0f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
     AZ_CVAR(float, ed_cameraSystemLookSmoothness, 5.0f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
     AZ_CVAR(float, ed_cameraSystemTranslateSmoothness, 5.0f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
@@ -37,7 +37,6 @@ namespace AzFramework
     AZ_CVAR(float, ed_cameraSystemPanSpeed, 0.01f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
     AZ_CVAR(bool, ed_cameraSystemPanInvertX, true, nullptr, AZ::ConsoleFunctorFlags::Null, "");
     AZ_CVAR(bool, ed_cameraSystemPanInvertY, true, nullptr, AZ::ConsoleFunctorFlags::Null, "");
-    AZ_CVAR(float, ed_cameraSystemLookDeadzone, 2.0f, nullptr, AZ::ConsoleFunctorFlags::Null, "");
 
     AZ_CVAR(
         AZ::CVarFixedString, ed_cameraSystemTranslateForwardKey, "keyboard_key_alphanumeric_W", nullptr, AZ::ConsoleFunctorFlags::Null, "");
@@ -144,7 +143,7 @@ namespace AzFramework
             z = AZStd::atan2(-orientation.GetElement(1, 2), orientation.GetElement(1, 1));
         }
 
-        return {x, y, z};
+        return { x, y, z };
     }
 
     void UpdateCameraFromTransform(Camera& camera, const AZ::Transform& transform)
@@ -179,7 +178,7 @@ namespace AzFramework
     {
         const auto nextCamera = m_cameras.StepCamera(targetCamera, m_motionDelta, m_scrollDelta, deltaTime);
 
-        m_motionDelta = ScreenVector{0, 0};
+        m_motionDelta = ScreenVector{ 0, 0 };
         m_scrollDelta = 0.0f;
 
         return nextCamera;
@@ -213,7 +212,10 @@ namespace AzFramework
             auto& cameraInput = m_idleCameraInputs[i];
             const bool canBegin = cameraInput->Beginning() &&
                 AZStd::all_of(m_activeCameraInputs.cbegin(), m_activeCameraInputs.cend(),
-                              [](const auto& input) { return !input->Exclusive(); }) &&
+                              [](const auto& input)
+                              {
+                                  return !input->Exclusive();
+                              }) &&
                 (!cameraInput->Exclusive() || (cameraInput->Exclusive() && m_activeCameraInputs.empty()));
 
             if (canBegin)
@@ -231,7 +233,8 @@ namespace AzFramework
 
         const Camera nextCamera = AZStd::accumulate(
             AZStd::begin(m_activeCameraInputs), AZStd::end(m_activeCameraInputs), targetCamera,
-            [cursorDelta, scrollDelta, deltaTime](Camera acc, auto& camera) {
+            [cursorDelta, scrollDelta, deltaTime](Camera acc, auto& camera)
+            {
                 acc = camera->StepCamera(acc, cursorDelta, scrollDelta, deltaTime);
                 return acc;
             });
@@ -284,7 +287,8 @@ namespace AzFramework
 
     bool RotateCameraInput::HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
     {
-        const ClickDetector::ClickEvent clickEvent = [&event, this] {
+        const ClickDetector::ClickEvent clickEvent = [&event, this]
+        {
             if (const auto& input = AZStd::get_if<DiscreteInputEvent>(&event))
             {
                 if (input->m_channelId == m_rotateChannelId)
@@ -330,7 +334,10 @@ namespace AzFramework
         nextCamera.m_pitch -= float(cursorDelta.m_y) * ed_cameraSystemRotateSpeed;
         nextCamera.m_yaw -= float(cursorDelta.m_x) * ed_cameraSystemRotateSpeed;
 
-        const auto clampRotation = [](const float angle) { return AZStd::fmod(angle + AZ::Constants::TwoPi, AZ::Constants::TwoPi); };
+        const auto clampRotation = [](const float angle)
+        {
+            return AZStd::fmod(angle + AZ::Constants::TwoPi, AZ::Constants::TwoPi);
+        };
 
         nextCamera.m_yaw = clampRotation(nextCamera.m_yaw);
         // clamp pitch to be +-90 degrees
@@ -377,9 +384,10 @@ namespace AzFramework
         const auto deltaPanX = float(cursorDelta.m_x) * panAxes.m_horizontalAxis * ed_cameraSystemPanSpeed;
         const auto deltaPanY = float(cursorDelta.m_y) * panAxes.m_verticalAxis * ed_cameraSystemPanSpeed;
 
-        const auto inv = [](const bool invert) {
-            constexpr float Dir[] = {1.0f, -1.0f};
-            return Dir[static_cast<int>(invert)];
+        const auto inv = [](const bool invert)
+        {
+            constexpr float Dir[] = { 1.0f, -1.0f };
+            return Dir[aznumeric_cast<int>(invert)];
         };
 
         nextCamera.m_lookAt += deltaPanX * inv(ed_cameraSystemPanInvertX);
@@ -475,7 +483,8 @@ namespace AzFramework
         const auto axisY = translationBasis.GetBasisY();
         const auto axisZ = translationBasis.GetBasisZ();
 
-        const float speed = [boost = m_boost]() {
+        const float speed = [boost = m_boost]()
+        {
             return ed_cameraSystemTranslateSpeed * (boost ? ed_cameraSystemBoostMultiplier : 1.0f);
         }();
 
@@ -555,10 +564,12 @@ namespace AzFramework
 
         if (Beginning())
         {
-            const auto hasLookAt = [&nextCamera, &targetCamera, &lookAtFn = m_lookAtFn] {
+            const auto hasLookAt = [&nextCamera, &targetCamera, &lookAtFn = m_lookAtFn]
+            {
                 if (lookAtFn)
                 {
-                    if (const auto lookAt = lookAtFn())
+                    // pass through the camera's position and look vector for use in the lookAt function
+                    if (const auto lookAt = lookAtFn(targetCamera.Translation(), targetCamera.Rotation().GetBasisY()))
                     {
                         auto transform = AZ::Transform::CreateLookAt(targetCamera.m_lookAt, *lookAt);
                         nextCamera.m_lookDist = -lookAt->GetDistance(targetCamera.m_lookAt);
@@ -692,14 +703,20 @@ namespace AzFramework
 
     Camera SmoothCamera(const Camera& currentCamera, const Camera& targetCamera, const float deltaTime)
     {
-        const auto clamp_rotation = [](const float angle) { return AZStd::fmod(angle + AZ::Constants::TwoPi, AZ::Constants::TwoPi); };
+        const auto clamp_rotation = [](const float angle)
+        {
+            return AZStd::fmod(angle + AZ::Constants::TwoPi, AZ::Constants::TwoPi);
+        };
 
         // keep yaw in 0 - 360 range
         float targetYaw = clamp_rotation(targetCamera.m_yaw);
         const float currentYaw = clamp_rotation(currentCamera.m_yaw);
 
         // return the sign of the float input (-1, 0, 1)
-        const auto sign = [](const float value) { return aznumeric_cast<float>((0.0f < value) - (value < 0.0f)); };
+        const auto sign = [](const float value)
+        {
+            return aznumeric_cast<float>((0.0f < value) - (value < 0.0f));
+        };
 
         // ensure smooth transition when moving across 0 - 360 boundary
         const float yawDelta = targetYaw - currentYaw;
@@ -727,26 +744,28 @@ namespace AzFramework
         const auto& inputChannelId = inputChannel.GetInputChannelId();
         const auto& inputDeviceId = inputChannel.GetInputDevice().GetInputDeviceId();
 
-        const bool wasMouseButton =
-            AZStd::any_of(InputDeviceMouse::Button::All.begin(), InputDeviceMouse::Button::All.end(), [inputChannelId](const auto& button) {
+        const bool wasMouseButton = AZStd::any_of(
+            InputDeviceMouse::Button::All.begin(), InputDeviceMouse::Button::All.end(),
+            [inputChannelId](const auto& button)
+            {
                 return button == inputChannelId;
             });
 
         if (inputChannelId == InputDeviceMouse::Movement::X)
         {
-            return HorizontalMotionEvent{(int)inputChannel.GetValue()};
+            return HorizontalMotionEvent{ aznumeric_cast<int>(inputChannel.GetValue()) };
         }
         else if (inputChannelId == InputDeviceMouse::Movement::Y)
         {
-            return VerticalMotionEvent{(int)inputChannel.GetValue()};
+            return VerticalMotionEvent{ aznumeric_cast<int>(inputChannel.GetValue()) };
         }
         else if (inputChannelId == InputDeviceMouse::Movement::Z)
         {
-            return ScrollEvent{inputChannel.GetValue()};
+            return ScrollEvent{ inputChannel.GetValue() };
         }
         else if (wasMouseButton || InputDeviceKeyboard::IsKeyboardDevice(inputDeviceId))
         {
-            return DiscreteInputEvent{inputChannelId, inputChannel.GetState()};
+            return DiscreteInputEvent{ inputChannelId, inputChannel.GetState() };
         }
 
         return AZStd::monostate{};