From debdcf29539d0ed9edecdb87aa07bf3e6979fa31 Mon Sep 17 00:00:00 2001
From: Evil Eye <malusluminis@hotmail.com>
Date: Mon, 27 Dec 2021 00:47:33 +0100
Subject: [PATCH] Don't touch base stats when turning into a werewolf

---
 CHANGELOG.md                                  |  1 +
 .../mwmechanics/mechanicsmanagerimp.cpp       |  4 +-
 apps/openmw/mwworld/player.cpp                | 63 +++++++++++--------
 apps/openmw/mwworld/player.hpp                |  4 +-
 components/esm/player.cpp                     | 48 +++++++++++---
 components/esm/player.hpp                     |  5 +-
 components/esm/savedgame.cpp                  |  2 +-
 7 files changed, 83 insertions(+), 44 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d239717d0a..6127c24154 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -77,6 +77,7 @@
     Bug #6324: Special Slave Companions: Can't buy the slave companions
     Bug #6326: Detect Enchantment/Key should detect items in unresolved containers
     Bug #6327: Blocking roots the character in place
+    Bug #6333: Werewolf stat changes should be implemented as damage/fortifications
     Bug #6343: Magic projectile speed doesn't take race weight into account
     Bug #6347: PlaceItem/PlaceItemCell/PlaceAt should work with levelled creatures
     Bug #6354: SFX abruptly cut off after crossing max distance; implement soft fading of sound effects
diff --git a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
index fa5aaa82ef..e0d2da497b 100644
--- a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
+++ b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
@@ -1865,8 +1865,8 @@ namespace MWMechanics
     {
         const MWWorld::Store<ESM::GameSetting>& gmst = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>();
         MWMechanics::NpcStats &stats = actor.getClass().getNpcStats(actor);
-
-        stats.getSkill(ESM::Skill::Acrobatics).setBase(gmst.find("fWerewolfAcrobatics")->mValue.getInteger());
+        auto& skill = stats.getSkill(ESM::Skill::Acrobatics);
+        skill.setModifier(gmst.find("fWerewolfAcrobatics")->mValue.getFloat() - skill.getModified());
     }
 
     void MechanicsManager::cleanupSummonedCreature(const MWWorld::Ptr &caster, int creatureActorId)
diff --git a/apps/openmw/mwworld/player.cpp b/apps/openmw/mwworld/player.cpp
index 4687a4eddd..270889a23e 100644
--- a/apps/openmw/mwworld/player.cpp
+++ b/apps/openmw/mwworld/player.cpp
@@ -58,9 +58,9 @@ namespace MWWorld
         MWMechanics::NpcStats& stats = getPlayer().getClass().getNpcStats(getPlayer());
 
         for (int i=0; i<ESM::Skill::Length; ++i)
-            mSaveSkills[i] = stats.getSkill(i);
+            mSaveSkills[i] = stats.getSkill(i).getModified();
         for (int i=0; i<ESM::Attribute::Length; ++i)
-            mSaveAttributes[i] = stats.getAttribute(i);
+            mSaveAttributes[i] = stats.getAttribute(i).getModified();
     }
 
     void Player::restoreStats()
@@ -69,11 +69,20 @@ namespace MWWorld
         MWMechanics::CreatureStats& creatureStats = getPlayer().getClass().getCreatureStats(getPlayer());
         MWMechanics::NpcStats& npcStats = getPlayer().getClass().getNpcStats(getPlayer());
         MWMechanics::DynamicStat<float> health = creatureStats.getDynamic(0);
-        creatureStats.setHealth(int(health.getBase() / gmst.find("fWereWolfHealth")->mValue.getFloat()));
+        creatureStats.setHealth(health.getBase() / gmst.find("fWereWolfHealth")->mValue.getFloat());
         for (int i=0; i<ESM::Skill::Length; ++i)
-            npcStats.setSkill(i, mSaveSkills[i]);
+        {
+            auto& skill = npcStats.getSkill(i);
+            skill.restore(skill.getDamage());
+            skill.setModifier(mSaveSkills[i] - skill.getBase());
+        }
         for (int i=0; i<ESM::Attribute::Length; ++i)
-            npcStats.setAttribute(i, mSaveAttributes[i]);
+        {
+            auto attribute = npcStats.getAttribute(i);
+            attribute.restore(attribute.getDamage());
+            attribute.setModifier(mSaveAttributes[i] - attribute.getBase());
+            npcStats.setAttribute(i, attribute);
+        }
     }
 
     void Player::setWerewolfStats()
@@ -82,7 +91,7 @@ namespace MWWorld
         MWMechanics::CreatureStats& creatureStats = getPlayer().getClass().getCreatureStats(getPlayer());
         MWMechanics::NpcStats& npcStats = getPlayer().getClass().getNpcStats(getPlayer());
         MWMechanics::DynamicStat<float> health = creatureStats.getDynamic(0);
-        creatureStats.setHealth(int(health.getBase() * gmst.find("fWereWolfHealth")->mValue.getFloat()));
+        creatureStats.setHealth(health.getBase() * gmst.find("fWereWolfHealth")->mValue.getFloat());
         for(size_t i = 0;i < ESM::Attribute::Length;++i)
         {
             // Oh, Bethesda. It's "Intelligence".
@@ -90,7 +99,7 @@ namespace MWWorld
                                             ESM::Attribute::sAttributeNames[i]);
 
             MWMechanics::AttributeValue value = npcStats.getAttribute(i);
-            value.setBase(int(gmst.find(name)->mValue.getFloat()));
+            value.setModifier(gmst.find(name)->mValue.getFloat() - value.getModified());
             npcStats.setAttribute(i, value);
         }
 
@@ -104,9 +113,8 @@ namespace MWWorld
             std::string name = "fWerewolf"+((i==ESM::Skill::Mercantile) ? std::string("Merchantile") :
                                             ESM::Skill::sSkillNames[i]);
 
-            MWMechanics::SkillValue value = npcStats.getSkill(i);
-            value.setBase(int(gmst.find(name)->mValue.getFloat()));
-            npcStats.setSkill(i, value);
+            MWMechanics::SkillValue& value = npcStats.getSkill(i);
+            value.setModifier(gmst.find(name)->mValue.getFloat() - value.getModified());
         }
     }
 
@@ -316,14 +324,12 @@ namespace MWWorld
 
         for (int i=0; i<ESM::Skill::Length; ++i)
         {
-            mSaveSkills[i].setBase(0);
-            mSaveSkills[i].setModifier(0);
+            mSaveSkills[i] = 0.f;
         }
 
         for (int i=0; i<ESM::Attribute::Length; ++i)
         {
-            mSaveAttributes[i].setBase(0);
-            mSaveAttributes[i].setModifier(0);
+            mSaveAttributes[i] = 0.f;
         }
 
         mMarkedPosition.pos[0] = 0;
@@ -360,9 +366,9 @@ namespace MWWorld
             player.mHasMark = false;
 
         for (int i=0; i<ESM::Attribute::Length; ++i)
-            mSaveAttributes[i].writeState(player.mSaveAttributes[i]);
+            player.mSaveAttributes[i] = mSaveAttributes[i];
         for (int i=0; i<ESM::Skill::Length; ++i)
-            mSaveSkills[i].writeState(player.mSaveSkills[i]);
+            player.mSaveSkills[i] = mSaveSkills[i];
 
         player.mPreviousItems = mPreviousItems;
 
@@ -384,13 +390,7 @@ namespace MWWorld
                 throw std::runtime_error ("invalid player state record (object state)");
             }
             if (reader.getFormat() < 17)
-            {
                 convertMagicEffects(player.mObject.mCreatureStats, player.mObject.mInventory, &player.mObject.mNpcStats);
-                for(std::size_t i = 0; i < ESM::Attribute::Length; ++i)
-                    player.mSaveAttributes[i].mMod = 0.f;
-                for(std::size_t i = 0; i < ESM::Skill::Length; ++i)
-                    player.mSaveSkills[i].mMod = 0.f;
-            }
 
             if (!player.mObject.mEnabled)
             {
@@ -401,14 +401,23 @@ namespace MWWorld
             mPlayer.load (player.mObject);
 
             for (int i=0; i<ESM::Attribute::Length; ++i)
-                mSaveAttributes[i].readState(player.mSaveAttributes[i]);
+                mSaveAttributes[i] = player.mSaveAttributes[i];
             for (int i=0; i<ESM::Skill::Length; ++i)
-                mSaveSkills[i].readState(player.mSaveSkills[i]);
+                mSaveSkills[i] = player.mSaveSkills[i];
 
-            if (player.mObject.mNpcStats.mWerewolfDeprecatedData && player.mObject.mNpcStats.mIsWerewolf)
+            if (player.mObject.mNpcStats.mIsWerewolf)
             {
-                saveStats();
-                setWerewolfStats();
+                if (player.mObject.mNpcStats.mWerewolfDeprecatedData)
+                {
+                    saveStats();
+                    setWerewolfStats();
+                }
+                else if (reader.getFormat() < 19)
+                {
+                    setWerewolfStats();
+                    if (player.mSetWerewolfAcrobatics)
+                        MWBase::Environment::get().getMechanicsManager()->applyWerewolfAcrobatics(getPlayer());
+                }
             }
 
             getPlayer().getClass().getCreatureStats(getPlayer()).getAiSequence().clear();
diff --git a/apps/openmw/mwworld/player.hpp b/apps/openmw/mwworld/player.hpp
index a7e42d95e1..1a9744e8a3 100644
--- a/apps/openmw/mwworld/player.hpp
+++ b/apps/openmw/mwworld/player.hpp
@@ -53,8 +53,8 @@ namespace MWWorld
         PreviousItems mPreviousItems;
 
         // Saved stats prior to becoming a werewolf
-        MWMechanics::SkillValue mSaveSkills[ESM::Skill::Length];
-        MWMechanics::AttributeValue mSaveAttributes[ESM::Attribute::Length];
+        float mSaveSkills[ESM::Skill::Length];
+        float mSaveAttributes[ESM::Attribute::Length];
 
         bool mAttackingOrSpell;
         bool mJumping;
diff --git a/components/esm/player.cpp b/components/esm/player.cpp
index e2e9219e22..028a042809 100644
--- a/components/esm/player.cpp
+++ b/components/esm/player.cpp
@@ -44,13 +44,43 @@ void ESM::Player::load (ESMReader &esm)
             checkPrevItems = false;
     }
 
-    bool intFallback = esm.getFormat() < 11;
-    if (esm.hasMoreSubs())
+    if(esm.getFormat() < 19)
     {
-        for (int i=0; i<ESM::Attribute::Length; ++i)
-            mSaveAttributes[i].load(esm, intFallback);
-        for (int i=0; i<ESM::Skill::Length; ++i)
-            mSaveSkills[i].load(esm, intFallback);
+        bool intFallback = esm.getFormat() < 11;
+        bool clearModified = esm.getFormat() < 17 && !mObject.mNpcStats.mIsWerewolf;
+        if (esm.hasMoreSubs())
+        {
+            for (int i=0; i<ESM::Attribute::Length; ++i)
+            {
+                StatState<float> attribute;
+                attribute.load(esm, intFallback);
+                if (clearModified)
+                    attribute.mMod = 0.f;
+                mSaveAttributes[i] = attribute.mBase + attribute.mMod - attribute.mDamage;
+                if (mObject.mNpcStats.mIsWerewolf)
+                    mObject.mCreatureStats.mAttributes[i] = attribute;
+            }
+            for (int i=0; i<ESM::Skill::Length; ++i)
+            {
+                StatState<float> skill;
+                skill.load(esm, intFallback);
+                if (clearModified)
+                    skill.mMod = 0.f;
+                mSaveSkills[i] = skill.mBase + skill.mMod - skill.mDamage;
+                if (mObject.mNpcStats.mIsWerewolf)
+                {
+                    if(i == ESM::Skill::Acrobatics)
+                        mSetWerewolfAcrobatics = mObject.mNpcStats.mSkills[i].mBase != skill.mBase;
+                    mObject.mNpcStats.mSkills[i] = skill;
+                }
+            }
+        }
+    }
+    else
+    {
+        mSetWerewolfAcrobatics = false;
+        esm.getHNT(mSaveAttributes, "WWAT");
+        esm.getHNT(mSaveSkills, "WWSK");
     }
 }
 
@@ -79,8 +109,6 @@ void ESM::Player::save (ESMWriter &esm) const
         esm.writeHNString ("PREV", it->second);
     }
 
-    for (int i=0; i<ESM::Attribute::Length; ++i)
-        mSaveAttributes[i].save(esm);
-    for (int i=0; i<ESM::Skill::Length; ++i)
-        mSaveSkills[i].save(esm);
+    esm.writeHNT("WWAT", mSaveAttributes);
+    esm.writeHNT("WWSK", mSaveSkills);
 }
diff --git a/components/esm/player.hpp b/components/esm/player.hpp
index 78bd5ab6e7..bea29cf74a 100644
--- a/components/esm/player.hpp
+++ b/components/esm/player.hpp
@@ -23,6 +23,7 @@ namespace ESM
         CellId mCellId;
         float mLastKnownExteriorPosition[3];
         unsigned char mHasMark;
+        bool mSetWerewolfAcrobatics;
         ESM::Position mMarkedPosition;
         CellId mMarkedCell;
         std::string mBirthsign;
@@ -30,8 +31,8 @@ namespace ESM
         int mCurrentCrimeId;
         int mPaidCrimeId;
 
-        StatState<float> mSaveAttributes[ESM::Attribute::Length];
-        StatState<float> mSaveSkills[ESM::Skill::Length];
+        float mSaveAttributes[ESM::Attribute::Length];
+        float mSaveSkills[ESM::Skill::Length];
 
         typedef std::map<std::string, std::string> PreviousItems; // previous equipped items, needed for bound spells
         PreviousItems mPreviousItems;
diff --git a/components/esm/savedgame.cpp b/components/esm/savedgame.cpp
index 4ce0876bb8..6cecf26489 100644
--- a/components/esm/savedgame.cpp
+++ b/components/esm/savedgame.cpp
@@ -4,7 +4,7 @@
 #include "esmwriter.hpp"
 
 unsigned int ESM::SavedGame::sRecordId = ESM::REC_SAVE;
-int ESM::SavedGame::sCurrentFormat = 18;
+int ESM::SavedGame::sCurrentFormat = 19;
 
 void ESM::SavedGame::load (ESMReader &esm)
 {