Gamestate snapshots (#8819)

* Add initial interface.

* Implement move operator in MemoryStream

* Add pod array serialisation traits.

* Add push_back with move semantics to CircularBuffer

* Initial implementation of GameStateSnapshots

* Add GameStateSnapshots to Context.

* Add mp_desync console command.

* Compare sprite data and fill change list.

* Minor changes.

* Proof of concept.

* Calculate offset instead of using offsetof

* Implement game state difference detection

* Update mp_desync console command.

* Fix identification of sprite remove/add.

* Fix crash when only one peep in park when using mp_desync

* Output state differences into user directory desync folder.

* Add desync debugging as an option.

* Add information to network status when a desync report was created.

* Cast to proper type for %llu.

* Update xcode project

* Add more information to the diffed data.

* Remove client-only relevant fields.

* Cleanup.

* Add better name output for misc sprites

* Add srand0 and tick information to the output

* Bump up network version

* Cleanup

* Set desync_debugging to false as default

* Apply suggestions

src/openrct2/config/Config.cpp

@@ -395,6 +395,7 @@ namespace Config
             model->log_chat = reader->GetBoolean("log_chat", false);
             model->log_server_actions = reader->GetBoolean("log_server_actions", false);
             model->pause_server_if_no_clients = reader->GetBoolean("pause_server_if_no_clients", false);
+            model->desync_debugging = reader->GetBoolean("desync_debugging", false);
         }
     }
 
@@ -420,6 +421,7 @@ namespace Config
         writer->WriteBoolean("log_chat", model->log_chat);
         writer->WriteBoolean("log_server_actions", model->log_server_actions);
         writer->WriteBoolean("pause_server_if_no_clients", model->pause_server_if_no_clients);
+        writer->WriteBoolean("desync_debugging", model->desync_debugging);
     }
 
     static void ReadNotifications(IIniReader* reader)