Savegame: store levelled creature state and move to actorIds

(Closes #1332)

apps/openmw/mwclass/creaturelevlist.cpp

@@ -2,6 +2,7 @@
 #include "creaturelevlist.hpp"
 
 #include <components/esm/loadlevlist.hpp>
+#include <components/esm/creaturelevliststate.hpp>
 
 #include "../mwmechanics/levelledlist.hpp"
 
@@ -11,7 +12,9 @@ namespace
 {
     struct CreatureLevListCustomData : public MWWorld::CustomData
     {
-        // TODO: save the creature we spawned here
+        // actorId of the creature we spawned
+        int mSpawnActorId;
+
         virtual MWWorld::CustomData *clone() const;
     };
 
@@ -38,6 +41,25 @@ namespace MWClass
     void CreatureLevList::insertObjectRendering(const MWWorld::Ptr &ptr, MWRender::RenderingInterface &renderingInterface) const
     {
         ensureCustomData(ptr);
+
+        CreatureLevListCustomData& customData = dynamic_cast<CreatureLevListCustomData&> (*ptr.getRefData().getCustomData());
+        if (customData.mSpawnActorId != -1)
+            return;  // TODO: handle respawning
+
+
+        MWWorld::LiveCellRef<ESM::CreatureLevList> *ref =
+            ptr.get<ESM::CreatureLevList>();
+
+        std::string id = MWMechanics::getLevelledItem(ref->mBase, true);
+
+        if (!id.empty())
+        {
+            const MWWorld::ESMStore& store = MWBase::Environment::get().getWorld()->getStore();
+            MWWorld::ManualRef ref(store, id);
+            ref.getPtr().getCellRef().mPos = ptr.getCellRef().mPos;
+            MWWorld::Ptr placed = MWBase::Environment::get().getWorld()->safePlaceObject(ref.getPtr(), ptr.getCell() , ptr.getCellRef().mPos);
+            customData.mSpawnActorId = placed.getClass().getCreatureStats(placed).getActorId();
+        }
     }
 
     void CreatureLevList::ensureCustomData(const MWWorld::Ptr &ptr) const
@@ -45,22 +67,29 @@ namespace MWClass
         if (!ptr.getRefData().getCustomData())
         {
             std::auto_ptr<CreatureLevListCustomData> data (new CreatureLevListCustomData);
-
-            MWWorld::LiveCellRef<ESM::CreatureLevList> *ref =
-                ptr.get<ESM::CreatureLevList>();
-
-            std::string id = MWMechanics::getLevelledItem(ref->mBase, true);
-
-            if (!id.empty())
-            {
-                const MWWorld::ESMStore& store = MWBase::Environment::get().getWorld()->getStore();
-                MWWorld::ManualRef ref(store, id);
-                ref.getPtr().getCellRef().mPos = ptr.getCellRef().mPos;
-                // TODO: hold on to this for respawn purposes later
-                MWBase::Environment::get().getWorld()->safePlaceObject(ref.getPtr(), ptr.getCell() , ptr.getCellRef().mPos);
-            }
+            data->mSpawnActorId = -1;
 
             ptr.getRefData().setCustomData(data.release());
         }
     }
+
+    void CreatureLevList::readAdditionalState (const MWWorld::Ptr& ptr, const ESM::ObjectState& state)
+        const
+    {
+        const ESM::CreatureLevListState& state2 = dynamic_cast<const ESM::CreatureLevListState&> (state);
+
+        ensureCustomData(ptr);
+        CreatureLevListCustomData& customData = dynamic_cast<CreatureLevListCustomData&> (*ptr.getRefData().getCustomData());
+        customData.mSpawnActorId = state2.mSpawnActorId;
+    }
+
+    void CreatureLevList::writeAdditionalState (const MWWorld::Ptr& ptr, ESM::ObjectState& state)
+        const
+    {
+        ESM::CreatureLevListState& state2 = dynamic_cast<ESM::CreatureLevListState&> (state);
+
+        ensureCustomData(ptr);
+        CreatureLevListCustomData& customData = dynamic_cast<CreatureLevListCustomData&> (*ptr.getRefData().getCustomData());
+        state2.mSpawnActorId = customData.mSpawnActorId;
+    }
 }

apps/openmw/mwclass/creaturelevlist.hpp

@@ -19,6 +19,14 @@ namespace MWClass
 
             virtual void insertObjectRendering (const MWWorld::Ptr& ptr, MWRender::RenderingInterface& renderingInterface) const;
             ///< Add reference into a cell for rendering
+
+            virtual void readAdditionalState (const MWWorld::Ptr& ptr, const ESM::ObjectState& state)
+                const;
+            ///< Read additional state from \a state into \a ptr.
+
+            virtual void writeAdditionalState (const MWWorld::Ptr& ptr, ESM::ObjectState& state)
+                const;
+            ///< Write additional state from \a ptr into \a state.
     };
 }
 

apps/openmw/mwworld/cellstore.cpp

@@ -12,6 +12,7 @@
 #include <components/esm/npcstate.hpp>
 #include <components/esm/creaturestate.hpp>
 #include <components/esm/fogstate.hpp>
+#include <components/esm/creaturelevliststate.hpp>
 
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
@@ -592,7 +593,7 @@ namespace MWWorld
         writeReferenceCollection<ESM::CreatureState> (writer, mCreatures);
         writeReferenceCollection<ESM::ObjectState> (writer, mDoors);
         writeReferenceCollection<ESM::ObjectState> (writer, mIngreds);
-        writeReferenceCollection<ESM::ObjectState> (writer, mCreatureLists);
+        writeReferenceCollection<ESM::CreatureLevListState> (writer, mCreatureLists);
         writeReferenceCollection<ESM::ObjectState> (writer, mItemLists);
         writeReferenceCollection<ESM::LightState> (writer, mLights);
         writeReferenceCollection<ESM::ObjectState> (writer, mLockpicks);
@@ -668,7 +669,7 @@ namespace MWWorld
 
                 case ESM::REC_LEVC:
 
-                    readReferenceCollection<ESM::ObjectState> (reader, mCreatureLists, contentFileMap);
+                    readReferenceCollection<ESM::CreatureLevListState> (reader, mCreatureLists, contentFileMap);
                     break;
 
                 case ESM::REC_LEVI:

components/CMakeLists.txt

@@ -45,7 +45,7 @@ add_component_dir (esm
     loadnpc loadpgrd loadrace loadregn loadscpt loadskil loadsndg loadsoun loadspel loadsscr loadstat
     loadweap records aipackage effectlist spelllist variant variantimp loadtes3 cellref filter
     savedgame journalentry queststate locals globalscript player objectstate cellid cellstate globalmap lightstate inventorystate containerstate npcstate creaturestate dialoguestate statstate
-    npcstats creaturestats weatherstate quickkeys fogstate spellstate activespells
+    npcstats creaturestats weatherstate quickkeys fogstate spellstate activespells creaturelevliststate
     )
 
 add_component_dir (misc

components/esm/creaturelevliststate.cpp

@@ -0,0 +1,25 @@
+#include "creaturelevliststate.hpp"
+
+#include "esmreader.hpp"
+#include "esmwriter.hpp"
+
+namespace ESM
+{
+
+    void CreatureLevListState::load(ESMReader &esm)
+    {
+        ObjectState::load(esm);
+
+        mSpawnActorId = -1;
+        esm.getHNOT (mSpawnActorId, "SPAW");
+    }
+
+    void CreatureLevListState::save(ESMWriter &esm, bool inInventory) const
+    {
+        ObjectState::save(esm, inInventory);
+
+        if (mSpawnActorId != -1)
+            esm.writeHNT ("SPAW", mSpawnActorId);
+    }
+
+}

components/esm/creaturelevliststate.hpp

@@ -0,0 +1,19 @@
+#ifndef OPENMW_ESM_CREATURELEVLISTSTATE_H
+#define OPENMW_ESM_CREATURELEVLISTSTATE_H
+
+#include "objectstate.hpp"
+
+namespace ESM
+{
+    // format 0, saved games only
+
+    struct CreatureLevListState : public ObjectState
+    {
+        int mSpawnActorId;
+
+        virtual void load (ESMReader &esm);
+        virtual void save (ESMWriter &esm, bool inInventory = false) const;
+    };
+}
+
+#endif