[Server] Add previous state to ON_RECORD_DYNAMIC

apps/openmw-mp/processors/player/ProcessorRecordDynamic.hpp

@@ -8,17 +8,36 @@ namespace mwmp
     class ProcessorRecordDynamic final : public PlayerProcessor
     {
     public:
+        using OldDState = ESM::StatState<float>;
         ProcessorRecordDynamic()
         {
             BPP_INIT(ID_RECORD_DYNAMIC)
+
+            Networking::get().getState().getState()->new_usertype<OldDState>("OldDState",
+                                                                             "base", &OldDState::mBase,
+                                                                             "current", &OldDState::mCurrent,
+                                                                             "mod", &OldDState::mMod,
+                                                                             "damage", &OldDState::mDamage,
+                                                                             "progress", &OldDState::mProgress);
+        }
+
+        void PreReading(PlayerPacket &packet, const std::shared_ptr<Player> &player) override
+        {
+            std::copy(std::begin(player->creatureStats.mDynamic),
+                      std::end(player->creatureStats.mDynamic),
+                      oldValues.begin()
+            );
+
         }
 
         void Do(PlayerPacket &packet, const std::shared_ptr<Player> &player) override
         {
             DEBUG_PRINTF(strPacketID.c_str());
 
-            Networking::get().getState().getEventCtrl().Call<CoreEvent::ON_RECORD_DYNAMIC>(player);
+            Networking::get().getState().getEventCtrl().Call<CoreEvent::ON_RECORD_DYNAMIC, true>(&oldValues, player);
         }
+    private:
+        std::array<OldDState, 3> oldValues;
     };
 }