From b8d5a9486ac04270034126df753fe7e69d198b41 Mon Sep 17 00:00:00 2001
From: MiroslavR <miroslavr256@gmail.com>
Date: Sun, 2 Nov 2014 18:01:12 +0100
Subject: [PATCH] Make Restore/Damage Attribute/Skill effects continuous

---
 apps/openmw/mwmechanics/actors.cpp | 12 +++++++++---
 apps/openmw/mwmechanics/actors.hpp |  2 +-
 apps/openmw/mwmechanics/stat.hpp   |  8 ++++----
 components/esm/statstate.hpp       | 14 ++++++++++----
 4 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/apps/openmw/mwmechanics/actors.cpp b/apps/openmw/mwmechanics/actors.cpp
index 02594258d..2e835d57e 100644
--- a/apps/openmw/mwmechanics/actors.cpp
+++ b/apps/openmw/mwmechanics/actors.cpp
@@ -369,7 +369,7 @@ namespace MWMechanics
     void Actors::updateNpc (const MWWorld::Ptr& ptr, float duration)
     {
         updateDrowning(ptr, duration);
-        calculateNpcStatModifiers(ptr);
+        calculateNpcStatModifiers(ptr, duration);
         updateEquippedLight(ptr, duration);
     }
 
@@ -499,6 +499,9 @@ namespace MWMechanics
                              effects.get(EffectKey(ESM::MagicEffect::DrainAttribute, i)).getMagnitude() -
                              effects.get(EffectKey(ESM::MagicEffect::AbsorbAttribute, i)).getMagnitude());
 
+            stat.damage(effects.get(EffectKey(ESM::MagicEffect::DamageAttribute, i)).getMagnitude() * duration * 1.5);
+            stat.restore(effects.get(EffectKey(ESM::MagicEffect::RestoreAttribute, i)).getMagnitude() * duration * 1.5);
+
             creatureStats.setAttribute(i, stat);
         }
 
@@ -855,7 +858,7 @@ namespace MWMechanics
         }
     }
 
-    void Actors::calculateNpcStatModifiers (const MWWorld::Ptr& ptr)
+    void Actors::calculateNpcStatModifiers (const MWWorld::Ptr& ptr, float duration)
     {
         NpcStats &npcStats = ptr.getClass().getNpcStats(ptr);
         const MagicEffects &effects = npcStats.getMagicEffects();
@@ -867,6 +870,9 @@ namespace MWMechanics
             skill.setModifier(effects.get(EffectKey(ESM::MagicEffect::FortifySkill, i)).getMagnitude() -
                              effects.get(EffectKey(ESM::MagicEffect::DrainSkill, i)).getMagnitude() -
                              effects.get(EffectKey(ESM::MagicEffect::AbsorbSkill, i)).getMagnitude());
+
+            skill.damage(effects.get(EffectKey(ESM::MagicEffect::DamageSkill, i)).getMagnitude() * duration * 1.5);
+            skill.restore(effects.get(EffectKey(ESM::MagicEffect::RestoreSkill, i)).getMagnitude() * duration * 1.5);
         }
     }
 
@@ -1534,6 +1540,6 @@ namespace MWMechanics
         adjustMagicEffects(ptr);
         calculateCreatureStatModifiers(ptr, 0.f);
         if (ptr.getClass().isNpc())
-            calculateNpcStatModifiers(ptr);
+            calculateNpcStatModifiers(ptr, 0.f);
     }
 }
diff --git a/apps/openmw/mwmechanics/actors.hpp b/apps/openmw/mwmechanics/actors.hpp
index 55f1719f6..0ccfaad78 100644
--- a/apps/openmw/mwmechanics/actors.hpp
+++ b/apps/openmw/mwmechanics/actors.hpp
@@ -34,7 +34,7 @@ namespace MWMechanics
             void calculateDynamicStats (const MWWorld::Ptr& ptr);
 
             void calculateCreatureStatModifiers (const MWWorld::Ptr& ptr, float duration);
-            void calculateNpcStatModifiers (const MWWorld::Ptr& ptr);
+            void calculateNpcStatModifiers (const MWWorld::Ptr& ptr, float duration);
 
             void calculateRestoration (const MWWorld::Ptr& ptr, float duration);
 
diff --git a/apps/openmw/mwmechanics/stat.hpp b/apps/openmw/mwmechanics/stat.hpp
index 0fb4c5732..1c33db0fd 100644
--- a/apps/openmw/mwmechanics/stat.hpp
+++ b/apps/openmw/mwmechanics/stat.hpp
@@ -236,20 +236,20 @@ namespace MWMechanics
     {
         int mBase;
         int mModifier;
-        int mDamage;
+        float mDamage; // needs to be float to allow continuous damage
 
     public:
         AttributeValue() : mBase(0), mModifier(0), mDamage(0) {}
 
-        int getModified() const { return std::max(0, mBase - mDamage + mModifier); }
+        int getModified() const { return std::max(0, mBase - (int) mDamage + mModifier); }
         int getBase() const { return mBase; }
         int getModifier() const {  return mModifier; }
 
         void setBase(int base) { mBase = std::max(0, base); }
         void setModifier(int mod) { mModifier = mod; }
 
-        void damage(int damage) { mDamage += damage; }
-        void restore(int amount) { mDamage -= std::min(mDamage, amount); }
+        void damage(float damage) { mDamage += damage; }
+        void restore(float amount) { mDamage -= std::min(mDamage, amount); }
         int getDamage() const { return mDamage; }
 
         void writeState (ESM::StatState<int>& state) const;
diff --git a/components/esm/statstate.hpp b/components/esm/statstate.hpp
index f1a3b4d79..801d0ce82 100644
--- a/components/esm/statstate.hpp
+++ b/components/esm/statstate.hpp
@@ -15,7 +15,7 @@ namespace ESM
         T mMod; // Note: can either be the modifier, or the modified value.
                 // A bit inconsistent, but we can't fix this without breaking compatibility.
         T mCurrent;
-        T mDamage;
+        float mDamage;
         float mProgress;
 
         StatState();
@@ -36,8 +36,14 @@ namespace ESM
         esm.getHNOT (mMod, "STMO");
         mCurrent = 0;
         esm.getHNOT (mCurrent, "STCU");
-        mDamage = 0;
-        esm.getHNOT (mDamage, "STDA");
+
+        // mDamage was changed to a float; ensure backwards compatibility
+        T oldDamage = 0;
+        esm.getHNOT(oldDamage, "STDA");
+        mDamage = oldDamage;
+
+        esm.getHNOT (mDamage, "STDF");
+
         mProgress = 0;
         esm.getHNOT (mProgress, "STPR");
     }
@@ -54,7 +60,7 @@ namespace ESM
             esm.writeHNT ("STCU", mCurrent);
 
         if (mDamage)
-            esm.writeHNT ("STDA", mDamage);
+            esm.writeHNT ("STDF", mDamage);
 
         if (mProgress)
             esm.writeHNT ("STPR", mProgress);