Merge branch 'main' of https://github.com/aws-lumberyard/o3de into cgalvan/DuplicateEntities

Code/Framework/AzCore/AzCore/Asset/AssetCommon.h

@@ -307,6 +307,8 @@ namespace AZ
             Asset(AssetLoadBehavior loadBehavior = AssetLoadBehavior::Default);
             /// Create an asset from a valid asset data (created asset), might not be loaded or currently loading.
             Asset(AssetData* assetData, AssetLoadBehavior loadBehavior);
+            /// Create an asset from a valid asset data (created asset) and set the asset id for both, might not be loaded or currently loading.
+            Asset(const AZ::Data::AssetId& id, AssetData* assetData, AssetLoadBehavior loadBehavior);
             /// Initialize asset pointer with id, type, and hint. No data construction will occur until QueueLoad is called.
             Asset(const AZ::Data::AssetId& id, const AZ::Data::AssetType& type, const AZStd::string& hint = AZStd::string());
 
@@ -787,6 +789,18 @@ namespace AZ
             SetData(assetData);
         }
 
+        //=========================================================================
+        template<class T>
+        Asset<T>::Asset(const AssetId& id, AssetData* assetData, AssetLoadBehavior loadBehavior)
+            : m_assetId(id)
+            , m_assetType(azrtti_typeid<T>())
+            , m_loadBehavior(loadBehavior)
+        {
+            AZ_Assert(!assetData->m_assetId.IsValid(), "Asset data already has an ID set.");
+            assetData->m_assetId = id;
+            SetData(assetData);
+        }
+
         //=========================================================================
         template<class T>
         Asset<T>::Asset(const AssetId& id, const AZ::Data::AssetType& type, const AZStd::string& hint)

Code/Framework/AzCore/Platform/Common/UnixLike/AzCore/Utils/Utils_UnixLike.cpp

@@ -41,10 +41,6 @@ namespace AZ
             if (const char* homePath = std::getenv("HOME"); homePath != nullptr)
             {
                 AZ::IO::FixedMaxPath path{homePath};
-                if (!path.empty())
-                {
-                    path /= ".o3de";
-                }
                 return path.Native();
             }
             return {};

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

@@ -21,7 +21,7 @@ namespace AzPhysics
     namespace
     {
         const float TimestepMin = 0.001f; //1000fps
-        const float TimestepMax = 0.05f; //20fps
+        const float TimestepMax = 0.1f; //10fps
     }
 
     AZ_CLASS_ALLOCATOR_IMPL(SystemConfiguration, AZ::SystemAllocator, 0);

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

@@ -34,7 +34,7 @@ namespace AzPhysics
 
         static constexpr float DefaultFixedTimestep = 0.0166667f; //! Value represents 1/60th or 60 FPS.
 
-        float m_maxTimestep = 1.f / 20.f; //!< Maximum fixed timestep in seconds to run the physics update.
+        float m_maxTimestep = 0.1f; //!< Maximum fixed timestep in seconds to run the physics update (10FPS).
         float m_fixedTimestep = DefaultFixedTimestep; //!< Timestep in seconds to run the physics update. See DefaultFixedTimestep.
 
         AZ::u64 m_raycastBufferSize = 32; //!< Maximum number of hits that will be returned from a raycast.

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

@@ -0,0 +1,78 @@
+/*
+ * 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/std/string/string.h>
+
+namespace AzFramework
+{
+    //! SessionConnectionConfig
+    //! The properties for handling join session request.
+    struct SessionConnectionConfig
+    {
+        // A unique identifier for registered player in session.
+        AZStd::string m_playerSessionId;
+
+        // The DNS identifier assigned to the instance that is running the session.
+        AZStd::string m_dnsName;
+
+        // The IP address of the session.
+        AZStd::string m_ipAddress;
+
+        // The port number for the session.
+        uint16_t m_port;
+    };
+
+    //! SessionConnectionConfig
+    //! The properties for handling player connect/disconnect
+    struct PlayerConnectionConfig
+    {
+        // A unique identifier for player connection.
+        uint32_t m_playerConnectionId;
+
+        // A unique identifier for registered player in session.
+        AZStd::string m_playerSessionId;
+    };
+
+    //! ISessionHandlingClientRequests
+    //! The session handling events to invoke multiplayer component handle the work on client side
+    class ISessionHandlingClientRequests
+    {
+    public:
+        // Handle the player join session process
+        // @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;
+
+        // Handle the player leave session process
+        virtual void HandlePlayerLeaveSession() = 0;
+    };
+
+    //! ISessionHandlingServerRequests
+    //! The session handling events to invoke server provider handle the work on server side
+    class ISessionHandlingServerRequests
+    {
+    public:
+        // Handle the destroy session process
+        virtual void HandleDestroySession() = 0;
+
+        // Validate the player join session process
+        // @param  playerConnectionConfig The required properties to validate the player join session process
+        // @return The result of player join session validation
+        virtual bool ValidatePlayerJoinSession(const PlayerConnectionConfig& playerConnectionConfig) = 0;
+
+        // 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;
+    };
+} // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Session/ISessionRequests.cpp

@@ -0,0 +1,130 @@
+/*
+ * 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/Serialization/EditContext.h>
+#include <AzCore/Serialization/SerializeContext.h>
+#include <AzFramework/Session/ISessionRequests.h>
+#include <AzFramework/Session/SessionConfig.h>
+
+namespace AzFramework
+{
+    void CreateSessionRequest::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<CreateSessionRequest>()
+                ->Version(0)
+                ->Field("creatorId", &CreateSessionRequest::m_creatorId)
+                ->Field("sessionProperties", &CreateSessionRequest::m_sessionProperties)
+                ->Field("sessionName", &CreateSessionRequest::m_sessionName)
+                ->Field("maxPlayer", &CreateSessionRequest::m_maxPlayer)
+                ;
+
+            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
+            {
+                editContext->Class<CreateSessionRequest>("CreateSessionRequest", "The container for CreateSession request parameters")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                    ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &CreateSessionRequest::m_creatorId,
+                        "CreatorId", "A unique identifier for a player or entity creating the session")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &CreateSessionRequest::m_sessionProperties,
+                        "SessionProperties", "A collection of custom properties for a session")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &CreateSessionRequest::m_sessionName,
+                        "SessionName", "A descriptive label that is associated with a session")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &CreateSessionRequest::m_maxPlayer,
+                        "MaxPlayer", "The maximum number of players that can be connected simultaneously to the session")
+                    ;
+            }
+        }
+    }
+
+    void SearchSessionsRequest::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<SearchSessionsRequest>()
+                ->Version(0)
+                ->Field("filterExpression", &SearchSessionsRequest::m_filterExpression)
+                ->Field("sortExpression", &SearchSessionsRequest::m_sortExpression)
+                ->Field("maxResult", &SearchSessionsRequest::m_maxResult)
+                ->Field("nextToken", &SearchSessionsRequest::m_nextToken)
+                ;
+
+            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
+            {
+                editContext->Class<SearchSessionsRequest>("SearchSessionsRequest", "The container for SearchSessions request parameters")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                    ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &SearchSessionsRequest::m_filterExpression,
+                        "FilterExpression", "String containing the search criteria for the session search")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &SearchSessionsRequest::m_sortExpression,
+                        "SortExpression", "Instructions on how to sort the search results")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &SearchSessionsRequest::m_maxResult,
+                        "MaxResult", "The maximum number of results to return")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &SearchSessionsRequest::m_nextToken,
+                        "NextToken", "A token that indicates the start of the next sequential page of results")
+                    ;
+            }
+        }
+    }
+
+    void SearchSessionsResponse::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<SearchSessionsResponse>()
+                ->Version(0)
+                ->Field("sessionConfigs", &SearchSessionsResponse::m_sessionConfigs)
+                ->Field("nextToken", &SearchSessionsResponse::m_nextToken)
+                ;
+
+            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
+            {
+                editContext->Class<SearchSessionsResponse>("SearchSessionsResponse", "The container for SearchSession request results")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                    ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &SearchSessionsResponse::m_sessionConfigs,
+                        "SessionConfigs", "A collection of sessions that match the search criteria and sorted in specific order")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &SearchSessionsResponse::m_nextToken,
+                        "NextToken", "A token that indicates the start of the next sequential page of results")
+                    ;
+            }
+        }
+    }
+
+    void JoinSessionRequest::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<JoinSessionRequest>()
+                ->Version(0)
+                ->Field("sessionId", &JoinSessionRequest::m_sessionId)
+                ->Field("playerId", &JoinSessionRequest::m_playerId)
+                ->Field("playerData", &JoinSessionRequest::m_playerData)
+                ;
+
+            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
+            {
+                editContext->Class<JoinSessionRequest>("JoinSessionRequest", "The container for JoinSession request parameters")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                    ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &JoinSessionRequest::m_sessionId,
+                        "SessionId", "A unique identifier for the session")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &JoinSessionRequest::m_playerId,
+                        "PlayerId", "A unique identifier for a player. Player IDs are developer-defined")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &JoinSessionRequest::m_playerData,
+                        "PlayerData", "Developer-defined information related to a player")
+                    ;
+            }
+        }
+    }
+} // namespace AzFramework

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

@@ -0,0 +1,192 @@
+/*
+ * 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/EBus/EBus.h>
+#include <AzCore/RTTI/ReflectContext.h>
+#include <AzCore/std/containers/unordered_map.h>
+#include <AzCore/std/string/string.h>
+#include <AzCore/Outcome/Outcome.h>
+
+namespace AzFramework
+{
+    struct SessionConfig;
+
+    //! CreateSessionRequest
+    //! The container for CreateSession request parameters.
+    struct CreateSessionRequest
+    {
+        AZ_RTTI(CreateSessionRequest, "{E39C2A45-89C9-4CFB-B337-9734DC798930}");
+        static void Reflect(AZ::ReflectContext* context);
+
+        CreateSessionRequest() = default;
+        virtual ~CreateSessionRequest() = default;
+
+        // A unique identifier for a player or entity creating the session.
+        AZStd::string m_creatorId;
+
+        // A collection of custom properties for a session.
+        AZStd::unordered_map<AZStd::string, AZStd::string> m_sessionProperties;
+
+        // A descriptive label that is associated with a session.
+        AZStd::string m_sessionName;
+
+        // The maximum number of players that can be connected simultaneously to the session.
+        uint64_t m_maxPlayer;
+    };
+
+    //! SearchSessionsRequest
+    //! The container for SearchSessions request parameters.
+    struct SearchSessionsRequest
+    {
+        AZ_RTTI(SearchSessionsRequest, "{B49207A8-8549-4ADB-B7D9-D7A4932F9B4B}");
+        static void Reflect(AZ::ReflectContext* context);
+
+        SearchSessionsRequest() = default;
+        virtual ~SearchSessionsRequest() = default;
+
+        // String containing the search criteria for the session search. If no filter expression is included, the request returns results
+        // for all active sessions.
+        AZStd::string m_filterExpression;
+
+        // Instructions on how to sort the search results. If no sort expression is included, the request returns results in random order.
+        AZStd::string m_sortExpression;
+
+        // The maximum number of results to return.
+        uint8_t m_maxResult;
+
+        // A token that indicates the start of the next sequential page of results.
+        AZStd::string m_nextToken;
+    };
+
+    //! SearchSessionsResponse
+    //! The container for SearchSession request results.
+    struct SearchSessionsResponse
+    {
+        AZ_RTTI(SearchSessionsResponse, "{F93DE7DC-D381-4E08-8A3B-0B08F7C38714}");
+        static void Reflect(AZ::ReflectContext* context);
+
+        SearchSessionsResponse() = default;
+        virtual ~SearchSessionsResponse() = default;
+
+        // A collection of sessions that match the search criteria and sorted in specific order.
+        AZStd::vector<SessionConfig> m_sessionConfigs;
+
+        // A token that indicates the start of the next sequential page of results.
+        AZStd::string m_nextToken;
+    };
+
+    //! JoinSessionRequest
+    //! The container for JoinSession request parameters.
+    struct JoinSessionRequest
+    {
+        AZ_RTTI(JoinSessionRequest, "{519769E8-3CDE-4385-A0D7-24DBB3685657}");
+        static void Reflect(AZ::ReflectContext* context);
+
+        JoinSessionRequest() = default;
+        virtual ~JoinSessionRequest() = default;
+
+        // A unique identifier for the session.
+        AZStd::string m_sessionId;
+
+        // A unique identifier for a player. Player IDs are developer-defined.
+        AZStd::string m_playerId;
+
+        // Developer-defined information related to a player.
+        AZStd::string m_playerData;
+    };
+
+    //! ISessionRequests
+    //! Pure virtual session interface class to abstract the details of session handling from application code.
+    class ISessionRequests
+    {
+    public:
+        AZ_RTTI(ISessionRequests, "{D6C41A71-DD8D-47FE-8515-FAF90670AE2F}");
+
+        ISessionRequests() = default;
+        virtual ~ISessionRequests() = default;
+
+        // Create a session for players to find and join.
+        // @param  createSessionRequest The request of CreateSession operation
+        // @return The request id if session creation request succeeds; empty if it fails
+        virtual AZStd::string CreateSession(const CreateSessionRequest& createSessionRequest) = 0;
+
+        // Retrieve all active sessions that match the given search criteria and sorted in specific order.
+        // @param  searchSessionsRequest The request of SearchSessions operation
+        // @return The response of SearchSessions operation
+        virtual SearchSessionsResponse SearchSessions(const SearchSessionsRequest& searchSessionsRequest) const = 0;
+
+        // Reserve an open player slot in a session, and perform connection from client to server.
+        // @param  joinSessionRequest The request of JoinSession operation
+        // @return True if joining session succeeds; False otherwise
+        virtual bool JoinSession(const JoinSessionRequest& joinSessionRequest) = 0;
+
+        // Disconnect player from session.
+        virtual void LeaveSession() = 0;
+    };
+
+    //! ISessionAsyncRequests
+    //! Async version of ISessionRequests
+    class ISessionAsyncRequests
+    {
+    public:
+        AZ_RTTI(ISessionAsyncRequests, "{471542AF-96B9-4930-82FE-242A4E68432D}");
+
+        ISessionAsyncRequests() = default;
+        virtual ~ISessionAsyncRequests() = default;
+
+        // CreateSession Async
+        // @param  createSessionRequest The request of CreateSession operation
+        virtual void CreateSessionAsync(const CreateSessionRequest& createSessionRequest) = 0;
+
+        // SearchSessions Async
+        // @param  searchSessionsRequest The request of SearchSessions operation
+        virtual void SearchSessionsAsync(const SearchSessionsRequest& searchSessionsRequest) const = 0;
+
+        // JoinSession Async
+        // @param  joinSessionRequest The request of JoinSession operation
+        virtual void JoinSessionAsync(const JoinSessionRequest& joinSessionRequest) = 0;
+
+        // LeaveSession Async
+        virtual void LeaveSessionAsync() = 0;
+    };
+
+    //! SessionAsyncRequestNotifications
+    //! The notifications correspond to session async requests
+    class SessionAsyncRequestNotifications
+        : public AZ::EBusTraits
+    {
+    public:
+        //////////////////////////////////////////////////////////////////////////
+        // EBusTraits overrides
+        static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
+        static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
+        //////////////////////////////////////////////////////////////////////////
+
+        // OnCreateSessionAsyncComplete is fired once CreateSessionAsync completes
+        // @param createSessionResponse The request id if session creation request succeeds; empty if it fails
+        virtual void OnCreateSessionAsyncComplete(const AZStd::string& createSessionReponse) = 0;
+
+        // OnSearchSessionsAsyncComplete is fired once SearchSessionsAsync completes
+        // @param searchSessionsResponse The response of SearchSessions call
+        virtual void OnSearchSessionsAsyncComplete(const SearchSessionsResponse& searchSessionsResponse) = 0;
+
+        // OnJoinSessionAsyncComplete is fired once JoinSessionAsync completes
+        // @param joinSessionsResponse True if joining session succeeds; False otherwise
+        virtual void OnJoinSessionAsyncComplete(bool joinSessionsResponse) = 0;
+
+        // OnLeaveSessionAsyncComplete is fired once LeaveSessionAsync completes
+        virtual void OnLeaveSessionAsyncComplete() = 0;
+    };
+    using SessionAsyncRequestNotificationBus = AZ::EBus<SessionAsyncRequestNotifications>;
+} // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Session/SessionConfig.cpp

@@ -0,0 +1,74 @@
+/*
+ * 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/Serialization/EditContext.h>
+#include <AzCore/Serialization/SerializeContext.h>
+#include <AzFramework/Session/SessionConfig.h>
+
+namespace AzFramework
+{
+    void SessionConfig::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<SessionConfig>()
+                ->Version(0)
+                ->Field("creationTime", &SessionConfig::m_creationTime)
+                ->Field("terminationTime", &SessionConfig::m_terminationTime)
+                ->Field("creatorId", &SessionConfig::m_creatorId)
+                ->Field("sessionProperties", &SessionConfig::m_sessionProperties)
+                ->Field("sessionId", &SessionConfig::m_sessionId)
+                ->Field("sessionName", &SessionConfig::m_sessionName)
+                ->Field("dnsName", &SessionConfig::m_dnsName)
+                ->Field("ipAddress", &SessionConfig::m_ipAddress)
+                ->Field("port", &SessionConfig::m_port)
+                ->Field("maxPlayer", &SessionConfig::m_maxPlayer)
+                ->Field("currentPlayer", &SessionConfig::m_currentPlayer)
+                ->Field("status", &SessionConfig::m_status)
+                ->Field("statusReason", &SessionConfig::m_statusReason)
+                ;
+
+            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
+            {
+                editContext->Class<SessionConfig>("SessionConfig", "Properties describing a session")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                    ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_creationTime,
+                        "CreationTime", "A time stamp indicating when this session was created. Format is a number expressed in Unix time as milliseconds.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_terminationTime,
+                        "TerminationTime", "A time stamp indicating when this data object was terminated. Same format as creation time.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_creatorId,
+                        "CreatorId", "A unique identifier for a player or entity creating the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_sessionProperties,
+                        "SessionProperties", "A collection of custom properties for a session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_sessionId,
+                        "SessionId", "A unique identifier for the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_sessionName,
+                        "SessionName", "A descriptive label that is associated with a session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_dnsName,
+                        "DnsName", "The DNS identifier assigned to the instance that is running the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_ipAddress,
+                        "IpAddress", "The IP address of the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_port,
+                        "Port", "The port number for the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_maxPlayer,
+                        "MaxPlayer", "The maximum number of players that can be connected simultaneously to the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_currentPlayer,
+                        "CurrentPlayer", "Number of players currently in the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_status,
+                        "Status", "Current status of the session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_statusReason,
+                        "StatusReason", "Provides additional information about session status.");
+            }
+        }
+    }
+} // namespace AzFramework

Code/Framework/AzFramework/AzFramework/Session/SessionConfig.h

@@ -0,0 +1,70 @@
+/*
+* 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/RTTI/ReflectContext.h>
+#include <AzCore/std/containers/unordered_map.h>
+#include <AzCore/std/string/string.h>
+
+namespace AzFramework
+{
+    //! SessionConfig
+    //! Properties describing a session.
+    struct SessionConfig
+    {
+        AZ_RTTI(SessionConfig, "{992DD4BE-8BA5-4071-8818-B99FD2952086}");
+        static void Reflect(AZ::ReflectContext* context);
+
+        SessionConfig() = default;
+        virtual ~SessionConfig() = default;
+
+        // A time stamp indicating when this session was created. Format is a number expressed in Unix time as milliseconds.
+        uint64_t m_creationTime;
+        
+        // A time stamp indicating when this data object was terminated. Same format as creation time.
+        uint64_t m_terminationTime;
+        
+        // A unique identifier for a player or entity creating the session.
+        AZStd::string m_creatorId;
+        
+        // A collection of custom properties for a session.
+        AZStd::unordered_map<AZStd::string, AZStd::string> m_sessionProperties;
+        
+        // A unique identifier for the session.
+        AZStd::string m_sessionId;
+        
+        // A descriptive label that is associated with a session.
+        AZStd::string m_sessionName;
+
+        // The DNS identifier assigned to the instance that is running the session.
+        AZStd::string m_dnsName;
+
+        // The IP address of the session.
+        AZStd::string m_ipAddress;
+        
+        // The port number for the session.
+        uint16_t m_port;
+        
+        // The maximum number of players that can be connected simultaneously to the session.
+        uint64_t m_maxPlayer;
+
+        // Number of players currently in the session.
+        uint64_t m_currentPlayer;
+
+        // Current status of the session.
+        AZStd::string m_status;
+        
+        // Provides additional information about session status.
+        AZStd::string m_statusReason;
+    };
+} // namespace AzFramework

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

@@ -0,0 +1,47 @@
+/*
+ * 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/EBus/EBus.h>
+
+namespace AzFramework
+{
+    struct SessionConfig;
+
+    //! SessionNotifications
+    //! The session notifications to listen for performing required operations
+    class SessionNotifications
+        : public AZ::EBusTraits
+    {
+    public:
+        //////////////////////////////////////////////////////////////////////////
+        // EBusTraits overrides
+        static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
+        static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
+        //////////////////////////////////////////////////////////////////////////
+
+        // OnSessionHealthCheck is fired in health check process
+        // @return The result of all OnSessionHealthCheck
+        virtual bool OnSessionHealthCheck() = 0;
+
+        // OnCreateSessionBegin is fired at the beginning of session creation
+        // @param  sessionConfig The properties to describe a session
+        // @return The result of all OnCreateSessionBegin notifications
+        virtual bool OnCreateSessionBegin(const SessionConfig& sessionConfig) = 0;
+
+        // OnDestroySessionBegin is fired at the beginning of session termination
+        // @return The result of all OnDestroySessionBegin notifications
+        virtual bool OnDestroySessionBegin() = 0;
+    };
+    using SessionNotificationBus = AZ::EBus<SessionNotifications>;
+} // namespace AzFramework

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

@@ -84,6 +84,7 @@ namespace AzFramework
     };
 
     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)>;
@@ -110,7 +111,8 @@ namespace AzFramework
         //! @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, EntitySpawnCallback completionCallback = {}) = 0;
+        virtual void SpawnAllEntities(EntitySpawnTicket& ticket, 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 entityIndices The indices into the template entities stored in the spawnable that will be used to spawn entities from.
@@ -118,7 +120,7 @@ namespace AzFramework
         //!     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,
-            EntitySpawnCallback completionCallback = {}) = 0;
+            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 completionCallback Optional callback that's called when despawning entities has completed. This can be called from

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

@@ -11,20 +11,24 @@
 */
 
 #include <AzCore/Component/ComponentApplicationBus.h>
+#include <AzCore/Serialization/IdUtils.h>
 #include <AzCore/Serialization/SerializeContext.h>
 #include <AzCore/std/parallel/scoped_lock.h>
 #include <AzCore/std/smart_ptr/make_shared.h>
+#include <AzFramework/Components/TransformComponent.h>
 #include <AzFramework/Entity/GameEntityContextBus.h>
 #include <AzFramework/Spawnable/Spawnable.h>
 #include <AzFramework/Spawnable/SpawnableEntitiesManager.h>
 
 namespace AzFramework
 {
-    void SpawnableEntitiesManager::SpawnAllEntities(EntitySpawnTicket& ticket, EntitySpawnCallback completionCallback)
+    void SpawnableEntitiesManager::SpawnAllEntities(EntitySpawnTicket& ticket, EntityPreInsertionCallback preInsertionCallback,
+        EntitySpawnCallback completionCallback)
     {
         SpawnAllEntitiesCommand queueEntry;
         queueEntry.m_ticket = &ticket;
         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++;
@@ -32,13 +36,15 @@ namespace AzFramework
         }
     }
 
-    void SpawnableEntitiesManager::SpawnEntities(EntitySpawnTicket& ticket, AZStd::vector<size_t> entityIndices,
-        EntitySpawnCallback completionCallback)
+    void SpawnableEntitiesManager::SpawnEntities(
+        EntitySpawnTicket& ticket, AZStd::vector<size_t> entityIndices,
+        EntityPreInsertionCallback preInsertionCallback, EntitySpawnCallback completionCallback)
     {
         SpawnEntitiesCommand queueEntry;
         queueEntry.m_ticket = &ticket;
         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++;
@@ -205,32 +211,85 @@ namespace AzFramework
         AZ::Entity* clone = serializeContext.CloneObject(&entityTemplate);
         AZ_Assert(clone != nullptr, "Failed to clone spawnable entity.");
         clone->SetId(AZ::Entity::MakeId());
+
         GameEntityContextRequestBus::Broadcast(&GameEntityContextRequestBus::Events::AddGameEntity, clone);
         return clone;
     }
 
+    AZ::Entity* SpawnableEntitiesManager::CloneSingleEntity(const AZ::Entity& entityTemplate,
+        EntityIdMap& templateToCloneEntityIdMap, AZ::SerializeContext& serializeContext)
+    {
+        return AZ::IdUtils::Remapper<AZ::EntityId>::CloneObjectAndGenerateNewIdsAndFixRefs(
+                &entityTemplate, templateToCloneEntityIdMap, &serializeContext);
+    }
+
     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)
         {
-            size_t spawnedEntitiesCount = ticket.m_spawnedEntities.size();
+            AZStd::vector<AZ::Entity*>& spawnedEntities = ticket.m_spawnedEntities;
+            AZStd::vector<size_t>& spawnedEntityIndices = ticket.m_spawnedEntityIndices;
 
-            const Spawnable::EntityList& entities = ticket.m_spawnable->GetEntities();
-            size_t entitiesSize = entities.size();
-            ticket.m_spawnedEntities.reserve(ticket.m_spawnedEntities.size() + entitiesSize);
-            ticket.m_spawnedEntityIndices.reserve(ticket.m_spawnedEntityIndices.size() + entitiesSize);
+            // Keep track how many entities there were in the array initially
+            size_t spawnedEntitiesInitialCount = spawnedEntities.size();
 
-            for(size_t i=0; i<entitiesSize; ++i)
+            // These are 'template' entities we'll be cloning from
+            const Spawnable::EntityList& entitiesToSpawn = ticket.m_spawnable->GetEntities();
+            size_t entitiesToSpawnSize = entitiesToSpawn.size();
+
+            // Map keeps track of ids from template (spawnable) to clone (instance)
+            // Allowing patch ups of fields referring to entityIds outside of a given entity
+            EntityIdMap templateToCloneEntityIdMap;
+
+            // Reserve buffers
+            spawnedEntities.reserve(spawnedEntities.size() + entitiesToSpawnSize);
+            spawnedEntityIndices.reserve(spawnedEntityIndices.size() + entitiesToSpawnSize);
+            templateToCloneEntityIdMap.reserve(entitiesToSpawnSize);
+
+            // Mark all indices as spawned
+            for (size_t i = 0; i < entitiesToSpawnSize; ++i)
             {
-                ticket.m_spawnedEntities.push_back(SpawnSingleEntity(*entities[i], serializeContext));
-                ticket.m_spawnedEntityIndices.push_back(i);
+                const AZ::Entity& entityTemplate = *entitiesToSpawn[i];
+
+                AZ::Entity* clone = CloneSingleEntity(entityTemplate, templateToCloneEntityIdMap, serializeContext);
+
+                AZ_Assert(clone != nullptr, "Failed to clone spawnable entity.");
+
+                spawnedEntities.emplace_back(clone);
+                spawnedEntityIndices.push_back(i);
             }
 
+            // loadAll is true if every entity has been spawned only once
+            if (spawnedEntities.size() == entitiesToSpawnSize)
+            {
+                ticket.m_loadAll = true;
+            }
+            else
+            {
+                // Case where there were already spawns from a previous request
+                ticket.m_loadAll = false;
+            }
+
+            // 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(
+                        ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
+            }
+
+            // Add to the game context, now the entities are active
+            AZStd::for_each(ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end(),
+                [](AZ::Entity* entity)
+            {
+                GameEntityContextRequestBus::Broadcast(&GameEntityContextRequestBus::Events::AddGameEntity, entity);
+            });
+
+            // 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(
-                    ticket.m_spawnedEntities.begin() + spawnedEntitiesCount, ticket.m_spawnedEntities.end()));
+                        ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
             }
 
             m_onSpawnedEvent.Signal(ticket.m_spawnable);
@@ -249,24 +308,56 @@ namespace AzFramework
         Ticket& ticket = GetTicketPayload<Ticket>(*request.m_ticket);
         if (ticket.m_spawnable.IsReady() && request.m_ticketId == ticket.m_currentTicketId)
         {
-            size_t spawnedEntitiesCount = ticket.m_spawnedEntities.size();
+            AZStd::vector<AZ::Entity*>& spawnedEntities = ticket.m_spawnedEntities;
+            AZStd::vector<size_t>& spawnedEntityIndices = ticket.m_spawnedEntityIndices;
 
-            const Spawnable::EntityList& entities = ticket.m_spawnable->GetEntities();
-            size_t entitiesSize = entities.size();
-            ticket.m_spawnedEntities.reserve(ticket.m_spawnedEntities.size() + entitiesSize);
-            ticket.m_spawnedEntityIndices.reserve(ticket.m_spawnedEntityIndices.size() + entitiesSize);
+            // Keep track how many entities there were in the array initially
+            size_t spawnedEntitiesInitialCount = spawnedEntities.size();
+
+            // These are 'template' entities we'll be cloning from
+            const Spawnable::EntityList& entitiesToSpawn = ticket.m_spawnable->GetEntities();
+            size_t entitiesToSpawnSize = request.m_entityIndices.size();
+
+            spawnedEntities.reserve(spawnedEntities.size() + entitiesToSpawnSize);
+            spawnedEntityIndices.reserve(spawnedEntityIndices.size() + entitiesToSpawnSize);
 
             for (size_t index : request.m_entityIndices)
             {
-                ticket.m_spawnedEntities.push_back(SpawnSingleEntity(*entities[index], serializeContext));
-                ticket.m_spawnedEntityIndices.push_back(index);
+                if (index < entitiesToSpawn.size())
+                {
+                    const AZ::Entity& entityTemplate = *entitiesToSpawn[index];
+
+                    AZ::Entity* clone = serializeContext.CloneObject(&entityTemplate);
+                    AZ_Assert(clone != nullptr, "Failed to clone spawnable entity.");
+                    clone->SetId(AZ::Entity::MakeId());
+
+                    spawnedEntities.push_back(clone);
+                    spawnedEntityIndices.push_back(index);
+
+                }
             }
             ticket.m_loadAll = false;
 
+            // 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(
+                        ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
+            }
+
+            // Add to the game context, now the entities are active
+            AZStd::for_each(ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end(),
+                [](AZ::Entity* entity)
+            {
+                GameEntityContextRequestBus::Broadcast(&GameEntityContextRequestBus::Events::AddGameEntity, entity);
+            });
+
             if (request.m_completionCallback)
             {
                 request.m_completionCallback(*request.m_ticket, SpawnableConstEntityContainerView(
-                    ticket.m_spawnedEntities.begin() + spawnedEntitiesCount, ticket.m_spawnedEntities.end()));
+                    ticket.m_spawnedEntities.begin() + spawnedEntitiesInitialCount, ticket.m_spawnedEntities.end()));
             }
 
             m_onSpawnedEvent.Signal(ticket.m_spawnable);
@@ -343,10 +434,23 @@ namespace AzFramework
                 // to load every, simply start over.
                 ticket.m_spawnedEntityIndices.clear();
 
-                size_t entitiesSize = entities.size();
-                for (size_t i = 0; i < entitiesSize; ++i)
+                size_t entitiesToSpawnSize = entities.size();
+
+                // Map keeps track of ids from template (spawnable) to clone (instance)
+                // Allowing patch ups of fields referring to entityIds outside of a given entity
+                EntityIdMap templateToCloneEntityIdMap;
+                templateToCloneEntityIdMap.reserve(entitiesToSpawnSize);
+
+                // Mark all indices as spawned
+                for (size_t i = 0; i < entitiesToSpawnSize; ++i)
                 {
-                    ticket.m_spawnedEntities.push_back(SpawnSingleEntity(*entities[i], serializeContext));
+                    const AZ::Entity& entityTemplate = *entities[i];
+
+                    AZ::Entity* clone = CloneSingleEntity(entityTemplate, templateToCloneEntityIdMap, serializeContext);
+
+                    AZ_Assert(clone != nullptr, "Failed to clone spawnable entity.");
+
+                    ticket.m_spawnedEntities.emplace_back(clone);
                     ticket.m_spawnedEntityIndices.push_back(i);
                 }
             }

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

@@ -29,6 +29,8 @@ namespace AZ
 
 namespace AzFramework
 {
+    using EntityIdMap = AZStd::unordered_map<AZ::EntityId, AZ::EntityId>;
+
     class SpawnableEntitiesManager
         : public SpawnableEntitiesInterface::Registrar
     {
@@ -47,8 +49,8 @@ namespace AzFramework
         // The following functions are thread safe
         //
 
-        void SpawnAllEntities(EntitySpawnTicket& ticket, EntitySpawnCallback completionCallback = {}) override;
-        void SpawnEntities(EntitySpawnTicket& ticket, AZStd::vector<size_t> entityIndices,
+        void SpawnAllEntities(EntitySpawnTicket& ticket, EntityPreInsertionCallback preInsertionCallback = {}, EntitySpawnCallback completionCallback = {}) override;
+        void SpawnEntities(EntitySpawnTicket& ticket, AZStd::vector<size_t> entityIndices, EntityPreInsertionCallback preInsertionCallback = {},
             EntitySpawnCallback completionCallback = {}) override;
         void DespawnAllEntities(EntitySpawnTicket& ticket, EntityDespawnCallback completionCallback = {}) override;
 
@@ -90,6 +92,7 @@ namespace AzFramework
         struct SpawnAllEntitiesCommand
         {
             EntitySpawnCallback m_completionCallback;
+            EntityPreInsertionCallback m_preInsertionCallback;
             EntitySpawnTicket* m_ticket;
             uint32_t m_ticketId;
         };
@@ -97,6 +100,7 @@ namespace AzFramework
         {
             AZStd::vector<size_t> m_entityIndices;
             EntitySpawnCallback m_completionCallback;
+            EntityPreInsertionCallback m_preInsertionCallback;
             EntitySpawnTicket* m_ticket;
             uint32_t m_ticketId;
         };
@@ -140,7 +144,11 @@ namespace AzFramework
         using Requests = AZStd::variant<SpawnAllEntitiesCommand, SpawnEntitiesCommand, DespawnAllEntitiesCommand, ReloadSpawnableCommand,
             ListEntitiesCommand, ClaimEntitiesCommand, BarrierCommand, DestroyTicketCommand>;
 
-        AZ::Entity* SpawnSingleEntity(const AZ::Entity& entityTemplate, AZ::SerializeContext& serializeContext);
+        AZ::Entity* SpawnSingleEntity(const AZ::Entity& entityTemplate,
+            AZ::SerializeContext& serializeContext);
+
+        AZ::Entity* CloneSingleEntity(const AZ::Entity& entityTemplate,
+            EntityIdMap& templateToCloneEntityIdMap, AZ::SerializeContext& serializeContext);
 
         bool ProcessRequest(SpawnAllEntitiesCommand& request, AZ::SerializeContext& serializeContext);
         bool ProcessRequest(SpawnEntitiesCommand& request, AZ::SerializeContext& serializeContext);

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

@@ -193,13 +193,12 @@ namespace AzFramework
         bool handling = false;
         for (auto& cameraInput : m_activeCameraInputs)
         {
-            cameraInput->HandleEvents(event, cursorDelta, scrollDelta);
-            handling = !cameraInput->Idle() || handling;
+            handling = cameraInput->HandleEvents(event, cursorDelta, scrollDelta) || handling;
         }
 
         for (auto& cameraInput : m_idleCameraInputs)
         {
-            cameraInput->HandleEvents(event, cursorDelta, scrollDelta);
+            handling = cameraInput->HandleEvents(event, cursorDelta, scrollDelta) || handling;
         }
 
         return handling;
@@ -262,17 +261,26 @@ namespace AzFramework
         {
             m_activeCameraInputs[i]->Reset();
             m_idleCameraInputs.push_back(m_activeCameraInputs[i]);
-            m_activeCameraInputs[i] = m_activeCameraInputs[m_activeCameraInputs.size() - 1];
+            using AZStd::swap;
+            swap(m_activeCameraInputs[i], m_activeCameraInputs[m_activeCameraInputs.size() - 1]);
             m_activeCameraInputs.pop_back();
         }
     }
 
+    void Cameras::Clear()
+    {
+        Reset();
+        AZ_Assert(m_activeCameraInputs.empty(), "Active Camera Inputs is not empty");
+
+        m_idleCameraInputs.clear();
+    }
+
     RotateCameraInput::RotateCameraInput(const InputChannelId rotateChannelId)
         : m_rotateChannelId(rotateChannelId)
     {
     }
 
-    void RotateCameraInput::HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
+    bool RotateCameraInput::HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
     {
         const ClickDetector::ClickEvent clickEvent = [&event, this] {
             if (const auto& input = AZStd::get_if<DiscreteInputEvent>(&event))
@@ -304,6 +312,11 @@ namespace AzFramework
             // noop
             break;
         }
+
+        // note - must also check !ending to ensure the mouse up (release) event
+        // is not consumed and can be propagated to other systems.
+        // (don't swallow mouse up events)
+        return !Idle() && !Ending();
     }
 
     Camera RotateCameraInput::StepCamera(
@@ -330,7 +343,7 @@ namespace AzFramework
     {
     }
 
-    void PanCameraInput::HandleEvents(
+    bool PanCameraInput::HandleEvents(
         const InputEvent& event, [[maybe_unused]] const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
     {
         if (const auto& input = AZStd::get_if<DiscreteInputEvent>(&event))
@@ -347,6 +360,8 @@ namespace AzFramework
                 }
             }
         }
+
+        return !Idle();
     }
 
     Camera PanCameraInput::StepCamera(
@@ -411,7 +426,7 @@ namespace AzFramework
     {
     }
 
-    void TranslateCameraInput::HandleEvents(
+    bool TranslateCameraInput::HandleEvents(
         const InputEvent& event, [[maybe_unused]] const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
     {
         if (const auto& input = AZStd::get_if<DiscreteInputEvent>(&event))
@@ -429,7 +444,8 @@ namespace AzFramework
                     m_boost = true;
                 }
             }
-            else if (input->m_state == InputChannel::State::Ended)
+            // ensure we don't process end events in the idle state
+            else if (input->m_state == InputChannel::State::Ended && !Idle())
             {
                 m_translation &= ~(translationFromKey(input->m_channelId));
                 if (m_translation == TranslationType::Nil)
@@ -442,6 +458,8 @@ namespace AzFramework
                 }
             }
         }
+
+        return !Idle();
     }
 
     Camera TranslateCameraInput::StepCamera(
@@ -503,7 +521,7 @@ namespace AzFramework
         m_boost = false;
     }
 
-    void OrbitCameraInput::HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta)
+    bool OrbitCameraInput::HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta)
     {
         if (const auto* input = AZStd::get_if<DiscreteInputEvent>(&event))
         {
@@ -522,8 +540,10 @@ namespace AzFramework
 
         if (Active())
         {
-            m_orbitCameras.HandleEvents(event, cursorDelta, scrollDelta);
+            return m_orbitCameras.HandleEvents(event, cursorDelta, scrollDelta);
         }
+
+        return !Idle();
     }
 
     Camera OrbitCameraInput::StepCamera(
@@ -533,7 +553,7 @@ 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())
@@ -585,13 +605,15 @@ namespace AzFramework
         return nextCamera;
     }
 
-    void OrbitDollyScrollCameraInput::HandleEvents(
+    bool OrbitDollyScrollCameraInput::HandleEvents(
         const InputEvent& event, [[maybe_unused]] const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
     {
         if (const auto* scroll = AZStd::get_if<ScrollEvent>(&event))
         {
             BeginActivation();
         }
+
+        return !Idle();
     }
 
     Camera OrbitDollyScrollCameraInput::StepCamera(
@@ -609,7 +631,7 @@ namespace AzFramework
     {
     }
 
-    void OrbitDollyCursorMoveCameraInput::HandleEvents(
+    bool OrbitDollyCursorMoveCameraInput::HandleEvents(
         const InputEvent& event, [[maybe_unused]] const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
     {
         if (const auto& input = AZStd::get_if<DiscreteInputEvent>(&event))
@@ -626,6 +648,8 @@ namespace AzFramework
                 }
             }
         }
+
+        return !Idle();
     }
 
     Camera OrbitDollyCursorMoveCameraInput::StepCamera(
@@ -637,13 +661,15 @@ namespace AzFramework
         return nextCamera;
     }
 
-    void ScrollTranslationCameraInput::HandleEvents(
+    bool ScrollTranslationCameraInput::HandleEvents(
         const InputEvent& event, [[maybe_unused]] const ScreenVector& cursorDelta, [[maybe_unused]] float scrollDelta)
     {
         if (const auto* scroll = AZStd::get_if<ScrollEvent>(&event))
         {
             BeginActivation();
         }
+
+        return !Idle();
     }
 
     Camera ScrollTranslationCameraInput::StepCamera(

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

@@ -149,7 +149,7 @@ namespace AzFramework
             ResetImpl();
         }
 
-        virtual void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) = 0;
+        virtual bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) = 0;
         virtual Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) = 0;
 
         virtual bool Exclusive() const
@@ -171,16 +171,29 @@ namespace AzFramework
     class Cameras
     {
     public:
-        void AddCamera(AZStd::shared_ptr<CameraInput> cameraInput);
         bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta);
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime);
+
+        void AddCamera(AZStd::shared_ptr<CameraInput> cameraInput);
+        //! Reset the state of all cameras.
         void Reset();
+        //! Remove all cameras that were added.
+        void Clear();
+        //! Is one of the cameras in the active camera inputs marked as 'exclusive'.
+        //! @note This implies no other sibling cameras can begin while the exclusive camera is running.
+        bool Exclusive() const;
 
     private:
         AZStd::vector<AZStd::shared_ptr<CameraInput>> m_activeCameraInputs;
         AZStd::vector<AZStd::shared_ptr<CameraInput>> m_idleCameraInputs;
     };
 
+    inline bool Cameras::Exclusive() const
+    {
+        return AZStd::any_of(
+            m_activeCameraInputs.begin(), m_activeCameraInputs.end(), [](const auto& cameraInput) { return cameraInput->Exclusive(); });
+    }
+
     class CameraSystem
     {
     public:
@@ -200,7 +213,7 @@ namespace AzFramework
         explicit RotateCameraInput(InputChannelId rotateChannelId);
 
         // CameraInput overrides ...
-        void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
+        bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) override;
 
     private:
@@ -241,7 +254,7 @@ namespace AzFramework
         PanCameraInput(InputChannelId panChannelId, PanAxesFn panAxesFn);
 
         // CameraInput overrides ...
-        void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
+        bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) override;
 
     private:
@@ -282,7 +295,7 @@ namespace AzFramework
         explicit TranslateCameraInput(TranslationAxesFn translationAxesFn);
 
         // CameraInput overrides ...
-        void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
+        bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) override;
         void ResetImpl() override;
 
@@ -352,7 +365,7 @@ namespace AzFramework
     {
     public:
         // CameraInput overrides ...
-        void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
+        bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) override;
     };
 
@@ -362,7 +375,7 @@ namespace AzFramework
         explicit OrbitDollyCursorMoveCameraInput(InputChannelId dollyChannelId);
 
         // CameraInput overrides ...
-        void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
+        bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) override;
 
     private:
@@ -373,7 +386,7 @@ namespace AzFramework
     {
     public:
         // CameraInput overrides ...
-        void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
+        bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) override;
     };
 
@@ -383,7 +396,7 @@ namespace AzFramework
         using LookAtFn = AZStd::function<AZStd::optional<AZ::Vector3>()>;
 
         // CameraInput overrides ...
-        void HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
+        bool HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, float scrollDelta) override;
         Camera StepCamera(const Camera& targetCamera, const ScreenVector& cursorDelta, float scrollDelta, float deltaTime) override;
         bool Exclusive() const override;
 

Code/Framework/AzFramework/AzFramework/Viewport/ClickDetector.cpp

@@ -17,6 +17,17 @@ namespace AzFramework
 {
     ClickDetector::ClickOutcome ClickDetector::DetectClick(const ClickEvent clickEvent, const ScreenVector& cursorDelta)
     {
+        const auto previousDetectionState = m_detectionState;
+        if (previousDetectionState == DetectionState::WaitingForMove)
+        {
+            // only allow the action to begin if the mouse has been moved a small amount
+            m_moveAccumulator += ScreenVectorLength(cursorDelta);
+            if (m_moveAccumulator > m_deadZone)
+            {
+                m_detectionState = DetectionState::Moved;
+            }
+        }
+
         if (clickEvent == ClickEvent::Down)
         {
             const auto now = std::chrono::steady_clock::now();
@@ -52,15 +63,9 @@ namespace AzFramework
             return clickOutcome;
         }
 
-        if (m_detectionState == DetectionState::WaitingForMove)
+        if (previousDetectionState == DetectionState::WaitingForMove && m_detectionState == DetectionState::Moved)
         {
-            // only allow the action to begin if the mouse has been moved a small amount
-            m_moveAccumulator += ScreenVectorLength(cursorDelta);
-            if (m_moveAccumulator > m_deadZone)
-            {
-                m_detectionState = DetectionState::Moved;
-                return ClickOutcome::Move;
-            }
+            return ClickOutcome::Move;
         }
 
         return ClickOutcome::Nil;

Code/Framework/AzFramework/AzFramework/Viewport/ClickDetector.h

@@ -50,7 +50,11 @@ namespace AzFramework
         //! Called from any type of 'handle event' function.
         ClickOutcome DetectClick(ClickEvent clickEvent, const ScreenVector& cursorDelta);
 
+        //! Override the default double click interval.
+        //! @note Default is 400ms - system default.
         void SetDoubleClickInterval(float doubleClickInterval);
+        //! Override the dead zone before a 'move' outcome will be triggered.
+        void SetDeadZone(float deadZone);
 
     private:
         //! Internal state of ClickDetector based on incoming events.
@@ -72,4 +76,9 @@ namespace AzFramework
     {
         m_doubleClickInterval = doubleClickInterval;
     }
+
+    inline void ClickDetector::SetDeadZone(const float deadZone)
+    {
+        m_deadZone = deadZone;
+    }
 } // namespace AzFramework

Code/Framework/AzFramework/AzFramework/azframework_files.cmake

@@ -188,6 +188,12 @@ set(FILES
     Script/ScriptDebugMsgReflection.h
     Script/ScriptRemoteDebugging.cpp
     Script/ScriptRemoteDebugging.h
+    Session/ISessionHandlingRequests.h
+    Session/ISessionRequests.cpp
+    Session/ISessionRequests.h
+    Session/SessionConfig.cpp
+    Session/SessionConfig.h
+    Session/SessionNotifications.h
     StreamingInstall/StreamingInstall.h
     StreamingInstall/StreamingInstall.cpp
     StreamingInstall/StreamingInstallRequests.h

Code/Framework/AzNetworking/AzNetworking/TcpTransport/TcpSocket.cpp

@@ -116,8 +116,8 @@ namespace AzNetworking
 
     int32_t TcpSocket::Receive(uint8_t* outData, uint32_t size) const
     {
-        AZ_Assert(size > 0, "Invalid data size for send");
-        AZ_Assert(outData != nullptr, "NULL data pointer passed to send");
+        AZ_Assert(size > 0, "Invalid data size for receive");
+        AZ_Assert(outData != nullptr, "NULL data pointer passed to receive");
         if (!IsOpen())
         {
             return SocketOpResultErrorNotOpen;
@@ -176,7 +176,7 @@ namespace AzNetworking
             if (::bind(aznumeric_cast<int32_t>(m_socketFd), (const sockaddr*)&hints, sizeof(hints)) != 0)
             {
                 const int32_t error = GetLastNetworkError();
-                AZLOG_ERROR("Failed to bind socket (%d:%s)", error, GetNetworkErrorDesc(error));
+                AZLOG_ERROR("Failed to bind TCP socket to port %u (%d:%s)", uint32_t(port), error, GetNetworkErrorDesc(error));
                 return false;
             }
 

Code/Framework/AzNetworking/AzNetworking/UdpTransport/UdpNetworkInterface.cpp

@@ -162,7 +162,7 @@ namespace AzNetworking
         const UdpReaderThread::ReceivedPackets* packets = m_readerThread.GetReceivedPackets(m_socket.get());
         if (packets == nullptr)
         {
-            AZ_Assert(false, "nullptr was retrieved for the received packet buffer, check that the socket has been registered with the reader thread");
+            // Socket is not yet registered with the reader thread and is likely still pending, try again later
             return;
         }
 

Code/Framework/AzNetworking/AzNetworking/UdpTransport/UdpSocket.cpp

@@ -82,7 +82,7 @@ namespace AzNetworking
             if (::bind(static_cast<int32_t>(m_socketFd), (const sockaddr *)&hints, sizeof(hints)) != 0)
             {
                 const int32_t error = GetLastNetworkError();
-                AZLOG_ERROR("Failed to bind socket to port %u (%d:%s)", uint32_t(port), error, GetNetworkErrorDesc(error));
+                AZLOG_ERROR("Failed to bind UDP socket to port %u (%d:%s)", uint32_t(port), error, GetNetworkErrorDesc(error));
                 return false;
             }
         }

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/PrefabEditorEntityOwnershipInterface.h

@@ -12,6 +12,7 @@
 
 #pragma once
 
+#include <AzCore/Asset/AssetCommon.h>
 #include <AzCore/Component/Entity.h>
 #include <AzCore/IO/GenericStreams.h>
 #include <AzCore/std/smart_ptr/unique_ptr.h>
@@ -46,6 +47,10 @@ namespace AzToolsFramework
 
         virtual Prefab::InstanceOptionalReference GetRootPrefabInstance() = 0;
 
+        //! Get all Assets generated by Prefab processing when entering Play-In Editor mode (Ctrl+G)
+        //! /return The vector of Assets generated by Prefab processing
+        virtual const AZStd::vector<AZ::Data::Asset<AZ::Data::AssetData>>& GetPlayInEditorAssetData() = 0;
+
         virtual bool LoadFromStream(AZ::IO::GenericStream& stream, AZStd::string_view filename) = 0;
         virtual bool SaveToStream(AZ::IO::GenericStream& stream, AZStd::string_view filename) = 0;
         

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/PrefabEditorEntityOwnershipService.cpp

@@ -314,6 +314,11 @@ namespace AzToolsFramework
         return *m_rootInstance;
     }
 
+    const AZStd::vector<AZ::Data::Asset<AZ::Data::AssetData>>& PrefabEditorEntityOwnershipService::GetPlayInEditorAssetData()
+    {
+        return m_playInEditorData.m_assets;
+    }
+
     void PrefabEditorEntityOwnershipService::OnEntityRemoved(AZ::EntityId entityId)
     {
         AzFramework::SliceEntityRequestBus::MultiHandler::BusDisconnect(entityId);

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/PrefabEditorEntityOwnershipService.h

@@ -195,6 +195,8 @@ namespace AzToolsFramework
             AZ::IO::PathView filePath, Prefab::InstanceOptionalReference instanceToParentUnder) override;
 
         Prefab::InstanceOptionalReference GetRootPrefabInstance() override;
+
+        const AZStd::vector<AZ::Data::Asset<AZ::Data::AssetData>>& GetPlayInEditorAssetData() override;
         //////////////////////////////////////////////////////////////////////////
 
         void OnEntityRemoved(AZ::EntityId entityId);

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/Instance/InstanceUpdateExecutor.cpp

@@ -134,9 +134,13 @@ namespace AzToolsFramework
                             }
                         }
 
-                        auto findInstancesResult = m_templateInstanceMapperInterface->FindInstancesOwnedByTemplate(instanceTemplateId)->get();
+                        auto findInstancesResult = m_templateInstanceMapperInterface->FindInstancesOwnedByTemplate(instanceTemplateId);
+                        AZ_Assert(
+                            findInstancesResult.has_value(), "Prefab Instances corresponding to template with id %llu couldn't be found.",
+                            instanceTemplateId);
 
-                        if (findInstancesResult.find(instanceToUpdate) == findInstancesResult.end())
+                        if (findInstancesResult == AZStd::nullopt ||
+                            findInstancesResult->get().find(instanceToUpdate) == findInstancesResult->get().end())
                         {
                             // Since nested instances get reconstructed during propagation, remove any nested instance that no longer
                             // maps to a template.

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/Link/Link.cpp

@@ -182,16 +182,16 @@ namespace AzToolsFramework
             else
             {
                 AZ::JsonSerializationResult::ResultCode applyPatchResult = AZ::JsonSerialization::ApplyPatch(
-                    linkedInstanceDom,
+                    sourceTemplateDomCopy,
                     targetTemplatePrefabDom.GetAllocator(),
-                    sourceTemplatePrefabDom,
                     patchesReference->get(),
                     AZ::JsonMergeApproach::JsonPatch);
+                linkedInstanceDom.CopyFrom(sourceTemplateDomCopy, targetTemplatePrefabDom.GetAllocator());
                 if (applyPatchResult.GetProcessing() != AZ::JsonSerializationResult::Processing::Completed)
                 {
-                    AZ_Error("Prefab", false,
-                        "Link::UpdateTarget - "
-                        "ApplyPatches failed for Prefab DOM from source Template '%u' and target Template '%u'.",
+                    AZ_Error(
+                        "Prefab", false,
+                        "Link::UpdateTarget - ApplyPatches failed for Prefab DOM from source Template '%u' and target Template '%u'.",
                         m_sourceTemplateId, m_targetTemplateId);
                     return false;
                 }

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

@@ -135,11 +135,14 @@ namespace AzToolsFramework
 
                 AZ::EntityId containerEntityId = instanceToCreate->get().GetContainerEntityId();
 
-                // Parent the entities to the container entity. Parenting the container entities of the instances passed to createPrefab
-                // will be done during the creation of links below.
-                for (AZ::Entity* topLevelEntity : entities)
+                // Parent the non-container top level entities to the container entity.
+                // Parenting the top level container entities will be done during the creation of links.
+                for (AZ::Entity* topLevelEntity : topLevelEntities)
                 {
-                    AZ::TransformBus::Event(topLevelEntity->GetId(), &AZ::TransformBus::Events::SetParent, containerEntityId);
+                    if (!IsInstanceContainerEntity(topLevelEntity->GetId()))
+                    {
+                        AZ::TransformBus::Event(topLevelEntity->GetId(), &AZ::TransformBus::Events::SetParent, containerEntityId);
+                    }
                 }
 
                 // Update the template of the instance since the entities are modified since the template creation.
@@ -155,11 +158,25 @@ namespace AzToolsFramework
                     AZ_Assert(
                         nestedInstanceContainerEntity, "Invalid container entity found for the nested instance used in prefab creation.");
 
+                    AZ::EntityId parentId;
+                    AZ::TransformBus::EventResult(
+                        parentId, nestedInstanceContainerEntity->get().GetId(), &AZ::TransformBus::Events::GetParentId);
+
+                    auto entityIterator = AZStd::find_if(
+                        entities.begin(), entities.end(), [parentId](AZ::Entity* entity) { return entity->GetId() == parentId; });
+
+                    // If the previous parent entity of the nested instance is not part of the entities of the newly created prefab,
+                    // then set the parent of the nested prefab as the container entity of the newly created prefab.
+                    if (entityIterator == entities.end())
+                    {
+                        parentId = containerEntityId;
+                    }
+
                     // These link creations shouldn't be undone because that would put the template in a non-usable state if a user
                     // chooses to instantiate the template after undoing the creation.
                     CreateLink(
                         {&nestedInstanceContainerEntity->get()}, *nestedInstance, instanceToCreate->get().GetTemplateId(),
-                        undoBatch.GetUndoBatch(), containerEntityId, false);
+                        undoBatch.GetUndoBatch(), parentId, false);
                 });
 
                 // Create a link between the templates of the newly created instance and the instance it's being parented under.

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyRowWidget.cpp

@@ -27,6 +27,7 @@ AZ_PUSH_DISABLE_WARNING(4244 4251 4800, "-Wunknown-warning-option") // 4244: con
 #include <QtGui/QTextLayout>
 #include <QtGui/QPainter>
 #include <QMessageBox>
+#include <QStylePainter>
 AZ_POP_DISABLE_WARNING
 
 static const int LabelColumnStretch = 2;
@@ -121,6 +122,19 @@ namespace AzToolsFramework
         setLayout(m_mainLayout);
     }
 
+    void PropertyRowWidget::paintEvent(QPaintEvent* event)
+    {
+        QStylePainter p(this);
+
+        if (CanBeReordered())
+        {
+            const QPen linePen(QColor(0x3B3E3F));
+            p.setPen(linePen);
+            int indent = m_treeDepth * m_treeIndentation;
+            p.drawLine(event->rect().topLeft() + QPoint(indent, 0), event->rect().topRight());
+        }
+    }
+
     bool PropertyRowWidget::HasChildWidgetAlready() const
     {
         return m_childWidget != nullptr;
@@ -1661,6 +1675,20 @@ namespace AzToolsFramework
         m_nameLabel->setFilter(m_currentFilterString);
     }
 
+    bool PropertyRowWidget::CanChildrenBeReordered() const
+    {
+        return m_containerEditable;
+    }
+
+    bool PropertyRowWidget::CanBeReordered() const
+    {
+        if (!m_parentRow)
+        {
+            return false;
+        }
+
+        return m_parentRow->CanChildrenBeReordered();
+    }
 }
 
 #include "UI/PropertyEditor/moc_PropertyRowWidget.cpp"

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyRowWidget.hxx

@@ -44,6 +44,7 @@ namespace AzToolsFramework
         Q_PROPERTY(bool hasChildRows READ HasChildRows);
         Q_PROPERTY(bool isTopLevel READ IsTopLevel);
         Q_PROPERTY(int getLevel READ GetLevel);
+        Q_PROPERTY(bool canBeReordered READ CanBeReordered);
         Q_PROPERTY(bool appendDefaultLabelToName READ GetAppendDefaultLabelToName WRITE AppendDefaultLabelToName)
     public:
         AZ_CLASS_ALLOCATOR(PropertyRowWidget, AZ::SystemAllocator, 0)
@@ -126,6 +127,7 @@ namespace AzToolsFramework
         void SetSelectionEnabled(bool selectionEnabled);
         void SetSelected(bool selected);
         bool eventFilter(QObject *watched, QEvent *event) override;
+        void paintEvent(QPaintEvent*) override;
 
         /// Apply tooltip to widget and some of its children.
         void SetDescription(const QString& text);
@@ -146,6 +148,9 @@ namespace AzToolsFramework
         QLabel* GetNameLabel() { return m_nameLabel; }
         void SetIndentSize(int w);
         void SetAsCustom(bool custom) { m_custom = custom; }
+
+        bool CanChildrenBeReordered() const;
+        bool CanBeReordered() const;
     protected:
         int CalculateLabelWidth() const;
 

Code/Framework/AzToolsFramework/AzToolsFramework/Viewport/ViewportMessages.h

@@ -18,6 +18,7 @@
 #include <AzFramework/Entity/EntityDebugDisplayBus.h>
 #include <AzFramework/Viewport/CameraState.h>
 #include <AzFramework/Viewport/ViewportId.h>
+#include <AzFramework/Viewport/ClickDetector.h>
 #include <AzToolsFramework/Entity/EditorEntityContextBus.h>
 #include <AzToolsFramework/Viewport/ViewportTypes.h>
 
@@ -304,4 +305,24 @@ namespace AzToolsFramework
 
         return entityContextId;
     }
+
+    //! Maps a mouse interaction event to a ClickDetector event.
+    //! @note Function only cares about up or down events, all other events are mapped to Nil (ignored).
+    inline AzFramework::ClickDetector::ClickEvent ClickDetectorEventFromViewportInteraction(
+        const ViewportInteraction::MouseInteractionEvent& mouseInteraction)
+    {
+        if (mouseInteraction.m_mouseInteraction.m_mouseButtons.Left())
+        {
+            if (mouseInteraction.m_mouseEvent == ViewportInteraction::MouseEvent::Down)
+            {
+                return AzFramework::ClickDetector::ClickEvent::Down;
+            }
+
+            if (mouseInteraction.m_mouseEvent == ViewportInteraction::MouseEvent::Up)
+            {
+                return AzFramework::ClickDetector::ClickEvent::Up;
+            }
+        }
+        return AzFramework::ClickDetector::ClickEvent::Nil;
+    }
 } // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorBoxSelect.cpp

@@ -14,6 +14,7 @@
 
 #include <AzFramework/Entity/EntityDebugDisplayBus.h>
 #include <AzToolsFramework/ViewportSelection/EditorSelectionUtil.h>
+#include <AzToolsFramework/Viewport/ViewportMessages.h>
 
 #include <QApplication>
 
@@ -27,8 +28,11 @@ namespace AzToolsFramework
     {
         AZ_PROFILE_FUNCTION(AZ::Debug::ProfileCategory::AzToolsFramework);
 
-        if (mouseInteraction.m_mouseInteraction.m_mouseButtons.Left() &&
-            mouseInteraction.m_mouseEvent == ViewportInteraction::MouseEvent::Down)
+        m_cursorState.SetCurrentPosition(mouseInteraction.m_mouseInteraction.m_mousePick.m_screenCoordinates);
+
+        const auto selectClickEvent = ClickDetectorEventFromViewportInteraction(mouseInteraction);
+        const auto clickOutcome = m_clickDetector.DetectClick(selectClickEvent, m_cursorState.CursorDelta());
+        if (clickOutcome == AzFramework::ClickDetector::ClickOutcome::Move)
         {
             if (m_leftMouseDown)
             {
@@ -58,8 +62,7 @@ namespace AzToolsFramework
                 }
             }
 
-            if (mouseInteraction.m_mouseInteraction.m_mouseButtons.Left() &&
-                mouseInteraction.m_mouseEvent == ViewportInteraction::MouseEvent::Up)
+            if (clickOutcome == AzFramework::ClickDetector::ClickOutcome::Release)
             {
                 if (m_leftMouseUp)
                 {
@@ -77,6 +80,8 @@ namespace AzToolsFramework
     {
         AZ_PROFILE_FUNCTION(AZ::Debug::ProfileCategory::AzToolsFramework);
 
+        m_cursorState.Update();
+
         if (m_boxSelectRegion)
         {
             debugDisplay.DepthTestOff();

Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorBoxSelect.h

@@ -14,6 +14,8 @@
 
 #include <AzCore/std/functional.h>
 #include <AzCore/std/optional.h>
+#include <AzFramework/Viewport/ClickDetector.h>
+#include <AzFramework/Viewport/CursorState.h>
 #include <AzToolsFramework/Viewport/ViewportTypes.h>
 
 #include <QRect>
@@ -26,49 +28,49 @@ namespace AzFramework
 
 namespace AzToolsFramework
 {
-    /// Utility to provide box select (click and drag) support for viewport types.
-    /// Users can override the mouse event callbacks and display scene function to customize behavior.
+    //! Utility to provide box select (click and drag) support for viewport types.
+    //! Users can override the mouse event callbacks and display scene function to customize behavior.
     class EditorBoxSelect
     {
     public:
         EditorBoxSelect() = default;
 
-        /// Return if a box select action is currently taking place.
+        //! Return if a box select action is currently taking place.
         bool Active() const { return m_boxSelectRegion.has_value(); }
 
-        /// Update the box select for various mouse events.
-        /// Call HandleMouseInteraction from type/system implementing MouseViewportRequests interface.
+        //! Update the box select for various mouse events.
+        //! Call HandleMouseInteraction from type/system implementing MouseViewportRequests interface.
         void HandleMouseInteraction(
             const ViewportInteraction::MouseInteractionEvent& mouseInteraction);
 
-        /// Responsible for drawing the 2d box representing the selection in screen space.
+        //! Responsible for drawing the 2d box representing the selection in screen space.
         void Display2d(const AzFramework::ViewportInfo& viewportInfo, AzFramework::DebugDisplayRequests& debugDisplay);
 
-        /// Custom drawing behavior to happen during a box select.
+        //! Custom drawing behavior to happen during a box select.
         void DisplayScene(
             const AzFramework::ViewportInfo& viewportInfo, AzFramework::DebugDisplayRequests& debugDisplay);
 
-        /// Set the left mouse down callback.
+        //! Set the left mouse down callback.
         void InstallLeftMouseDown(
             const AZStd::function<void(const ViewportInteraction::MouseInteractionEvent& mouseInteraction)>& leftMouseDown);
-        /// Set the mouse move callback.
+        //! Set the mouse move callback.
         void InstallMouseMove(
             const AZStd::function<void(const ViewportInteraction::MouseInteractionEvent& mouseInteraction)>& mouseMove);
-        /// Set the left mouse up callback.
+        //! Set the left mouse up callback.
         void InstallLeftMouseUp(
             const AZStd::function<void()>& leftMouseUp);
-        /// Set the display scene callback.
+        //! Set the display scene callback.
         void InstallDisplayScene(
             const AZStd::function<void(
                 const AzFramework::ViewportInfo& viewportInfo,
                 AzFramework::DebugDisplayRequests& debugDisplay)>& displayScene);
 
-        /// Return the box select region.
-        /// If a box selection is being made, return the current rectangle representing the area.
-        /// If there is currently no active box select, then the Maybe type will be empty (there will be no region/area).
+        //! Return the box select region.
+        //! If a box selection is being made, return the current rectangle representing the area.
+        //! If there is currently no active box select, then the Maybe type will be empty (there will be no region/area).
         const AZStd::optional<QRect>& BoxRegion() const { return m_boxSelectRegion; }
 
-        /// Return the active modifiers from the previous frame.
+        //! Return the active modifiers from the previous frame.
         ViewportInteraction::KeyboardModifiers PreviousModifiers() const { return m_previousModifiers; }
 
     private:
@@ -79,7 +81,9 @@ namespace AzToolsFramework
         AZStd::function<void(
             const AzFramework::ViewportInfo& viewportInfo, AzFramework::DebugDisplayRequests& debugDisplay)> m_displayScene;
 
-        AZStd::optional<QRect> m_boxSelectRegion; ///< Maybe/optional value to store box select region while active.
-        ViewportInteraction::KeyboardModifiers m_previousModifiers; ///< Modifier keys active on the previous frame.
+        AZStd::optional<QRect> m_boxSelectRegion; //!< Maybe/optional value to store box select region while active.
+        ViewportInteraction::KeyboardModifiers m_previousModifiers; //!< Modifier keys active on the previous frame.
+        AzFramework::ClickDetector m_clickDetector; //!< Utility type to detect if a mouse click or move has occurred.
+        AzFramework::CursorState m_cursorState; //!< Utility type to track the current cursor position (and movement/delta).
     };
 } // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorTransformComponentSelection.cpp

@@ -1782,22 +1782,7 @@ namespace AzToolsFramework
 
         m_cachedEntityIdUnderCursor = m_editorHelpers->HandleMouseInteraction(cameraState, mouseInteraction);
 
-        const AzFramework::ClickDetector::ClickEvent selectClickEvent = [&mouseInteraction] {
-            if (mouseInteraction.m_mouseInteraction.m_mouseButtons.Left())
-            {
-                if (mouseInteraction.m_mouseEvent == ViewportInteraction::MouseEvent::Down)
-                {
-                    return AzFramework::ClickDetector::ClickEvent::Down;
-                }
-
-                if (mouseInteraction.m_mouseEvent == ViewportInteraction::MouseEvent::Up)
-                {
-                    return AzFramework::ClickDetector::ClickEvent::Up;
-                }
-            }
-            return AzFramework::ClickDetector::ClickEvent::Nil;
-        }();
-
+        const auto selectClickEvent = ClickDetectorEventFromViewportInteraction(mouseInteraction);
         m_cursorState.SetCurrentPosition(mouseInteraction.m_mouseInteraction.m_mousePick.m_screenCoordinates);
         const auto clickOutcome = m_clickDetector.DetectClick(selectClickEvent, m_cursorState.CursorDelta());
 

Code/Framework/Tests/CameraInputTests.cpp

@@ -0,0 +1,90 @@
+/*
+ * 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/UnitTest/TestTypes.h>
+#include <AzCore/std/smart_ptr/make_shared.h>
+#include <AzFramework/Input/Devices/Keyboard/InputDeviceKeyboard.h>
+#include <AzFramework/Input/Devices/Mouse/InputDeviceMouse.h>
+#include <AzFramework/Viewport/CameraInput.h>
+#include <AzFramework/Windowing/WindowBus.h>
+
+namespace UnitTest
+{
+    class CameraInputFixture : public AllocatorsTestFixture
+    {
+    public:
+        AzFramework::Camera m_camera;
+        AzFramework::Camera m_targetCamera;
+        AZStd::shared_ptr<AzFramework::CameraSystem> m_cameraSystem;
+
+        bool HandleEventAndUpdate(const AzFramework::InputEvent& event)
+        {
+            constexpr float deltaTime = 0.01666f; // 60fps
+            const bool consumed = m_cameraSystem->HandleEvents(event);
+            m_camera = m_cameraSystem->StepCamera(m_targetCamera, deltaTime);
+            return consumed;
+        }
+
+        void SetUp() override
+        {
+            AllocatorsTestFixture::SetUp();
+
+            AzFramework::ReloadCameraKeyBindings();
+
+            m_cameraSystem = AZStd::make_shared<AzFramework::CameraSystem>();
+
+            auto firstPersonRotateCamera = AZStd::make_shared<AzFramework::RotateCameraInput>(AzFramework::InputDeviceMouse::Button::Right);
+            auto firstPersonTranslateCamera = AZStd::make_shared<AzFramework::TranslateCameraInput>(AzFramework::LookTranslation);
+
+            auto orbitCamera = AZStd::make_shared<AzFramework::OrbitCameraInput>();
+            auto orbitRotateCamera = AZStd::make_shared<AzFramework::RotateCameraInput>(AzFramework::InputDeviceMouse::Button::Left);
+            auto orbitTranslateCamera = AZStd::make_shared<AzFramework::TranslateCameraInput>(AzFramework::OrbitTranslation);
+
+            orbitCamera->m_orbitCameras.AddCamera(orbitRotateCamera);
+            orbitCamera->m_orbitCameras.AddCamera(orbitTranslateCamera);
+
+            m_cameraSystem->m_cameras.AddCamera(firstPersonRotateCamera);
+            m_cameraSystem->m_cameras.AddCamera(firstPersonTranslateCamera);
+            m_cameraSystem->m_cameras.AddCamera(orbitCamera);
+        }
+
+        void TearDown() override
+        {
+            m_cameraSystem->m_cameras.Clear();
+            m_cameraSystem.reset();
+
+            AllocatorsTestFixture::TearDown();
+        }
+    };
+
+    TEST_F(CameraInputFixture, BeginEndOrbitCameraConsumesCorrectEvents)
+    {
+        // set initial mouse position
+        const bool consumed1 = HandleEventAndUpdate(AzFramework::CursorEvent{AzFramework::ScreenPoint(5, 5)});
+        // begin orbit camera
+        const bool consumed2 = HandleEventAndUpdate(
+            AzFramework::DiscreteInputEvent{AzFramework::InputDeviceKeyboard::Key::ModifierAltL, AzFramework::InputChannel::State::Began});
+        // begin listening for orbit rotate (click detector) - event is not consumed
+        const bool consumed3 = HandleEventAndUpdate(
+            AzFramework::DiscreteInputEvent{AzFramework::InputDeviceMouse::Button::Left, AzFramework::InputChannel::State::Began});
+        // begin orbit rotate (mouse has moved sufficient distance to initiate)
+        const bool consumed4 = HandleEventAndUpdate(AzFramework::CursorEvent{AzFramework::ScreenPoint(10, 10)});
+        // end orbit (mouse up) - event is not consumed
+        const bool consumed5 = HandleEventAndUpdate(
+            AzFramework::DiscreteInputEvent{AzFramework::InputDeviceMouse::Button::Left, AzFramework::InputChannel::State::Ended});
+
+        const auto allConsumed = AZStd::vector<bool>{consumed1, consumed2, consumed3, consumed4, consumed5};
+
+        using ::testing::ElementsAre;
+        EXPECT_THAT(allConsumed, ElementsAre(false, true, false, true, false));
+    }
+} // namespace UnitTest

Code/Framework/Tests/ClickDetectorTests.cpp

@@ -139,4 +139,21 @@ namespace UnitTest
         EXPECT_THAT(secondaryDownOutcome, Eq(ClickDetector::ClickOutcome::Nil)); // ignored double click
         EXPECT_THAT(secondaryUpOutcome, Eq(ClickDetector::ClickOutcome::Nil)); // click not registered
     }
+
+    // if the click detector registers a mouse down event, but then all intermediate calls are ignored
+    // (another system may start intercepting events and swallowing them) then when we do receive a mouse
+    // up event we should ensure we take into account the current delta - if the delta is large, then the
+    // outcome will be release
+    TEST_F(ClickDetectorFixture, ClickIsNotRegisteredAfterIgnoringMouseMovesBeforeMouseUpWithLargeDelta)
+    {
+        using ::testing::Eq;
+
+        const ClickDetector::ClickOutcome downOutcome =
+            m_clickDetector.DetectClick(ClickDetector::ClickEvent::Down, ScreenVector(0, 0));
+        const ClickDetector::ClickOutcome upOutcome =
+            m_clickDetector.DetectClick(ClickDetector::ClickEvent::Up, ScreenVector(50, 50));
+
+        EXPECT_THAT(downOutcome, Eq(ClickDetector::ClickOutcome::Nil));
+        EXPECT_THAT(upOutcome, Eq(ClickDetector::ClickOutcome::Release));
+    }
 } // namespace UnitTest

Code/Framework/Tests/frameworktests_files.cmake

@@ -17,6 +17,7 @@ set(FILES
     BinToTextEncode.cpp
     ComponentAddRemove.cpp
     ComponentAdapterTests.cpp
+    CameraInputTests.cpp
     ClickDetectorTests.cpp
     CursorStateTests.cpp
     EntityContext.cpp