[Server] Make it possible to resend received worldstates

apps/openmw-mp/Script/Functions/Worldstate.cpp

@@ -18,6 +18,11 @@ void WorldstateFunctions::ReadLastWorldstate() noexcept
     readWorldstate = mwmp::Networking::getPtr()->getLastWorldstate();
 }
 
+void WorldstateFunctions::CopyLastWorldstateToStore() noexcept
+{
+    writeWorldstate = *readWorldstate;
+}
+
 void WorldstateFunctions::ClearMapChanges() noexcept
 {
     writeWorldstate.mapChanges.mapTiles.clear();

apps/openmw-mp/Script/Functions/Worldstate.hpp

@@ -6,6 +6,8 @@
 #define WORLDSTATEAPI \
     {"ReadLastWorldstate",                WorldstateFunctions::ReadLastWorldstate},\
     \
+    {"CopyLastWorldstateToStore",         WorldstateFunctions::CopyLastWorldstateToStore},\
+    \
     {"ClearMapChanges",                   WorldstateFunctions::ClearMapChanges},\
     \
     {"GetMapChangesSize",                 WorldstateFunctions::GetMapChangesSize},\
@@ -43,6 +45,15 @@ public:
     */
     static void ReadLastWorldstate() noexcept;
 
+    /**
+    * \brief Take the contents of the read-only worldstate last received by the
+    *        server from a player and move its contents to the stored worldstate
+    *        that can be sent by the server.
+    *
+    * \return void
+    */
+    static void CopyLastWorldstateToStore() noexcept;
+
     /**
     * \brief Clear the map changes for the write-only worldstate.
     *