Merge pull request #2980 from Assumeru/heritage

Make scripts inherit variables from the base record

CHANGELOG.md

@@ -7,6 +7,7 @@
     Bug #3676: NiParticleColorModifier isn't applied properly
     Bug #3714: Savegame fails to load due to conflict between SpellState and MagicEffects
     Bug #4021: Attributes and skills are not stored as floats
+    Bug #4055: Local scripts don't inherit variables from their base record
     Bug #4623: Corprus implementation is incorrect
     Bug #4764: Data race in osg ParticleSystem
     Bug #4774: Guards are ignorant of an invisible player that tries to attack them

apps/openmw/mwscript/globalscripts.cpp

@@ -299,6 +299,15 @@ namespace MWScript
         return iter->second->mLocals;
     }
 
+    const Locals* GlobalScripts::getLocalsIfPresent (const std::string& name) const
+    {
+        std::string name2 = ::Misc::StringUtils::lowerCase (name);
+        auto iter = mScripts.find (name2);
+        if (iter==mScripts.end())
+            return nullptr;
+        return &iter->second->mLocals;
+    }
+
     void GlobalScripts::updatePtrs(const MWWorld::Ptr& base, const MWWorld::Ptr& updated)
     {
         MatchPtrVisitor visitor(base);

apps/openmw/mwscript/globalscripts.hpp

@@ -82,6 +82,8 @@ namespace MWScript
             ///< If the script \a name has not been added as a global script yet, it is added
             /// automatically, but is not set to running state.
 
+            const Locals* getLocalsIfPresent (const std::string& name) const;
+
             void updatePtrs(const MWWorld::Ptr& base, const MWWorld::Ptr& updated);
             ///< Update the Ptrs stored in mTarget. Should be called after the reference has been moved to a new cell.
     };

apps/openmw/mwscript/locals.cpp

@@ -1,4 +1,5 @@
 #include "locals.hpp"
+#include "globalscripts.hpp"
 
 #include <components/esm/loadscpt.hpp>
 #include <components/esm/variant.hpp>
@@ -33,15 +34,25 @@ namespace MWScript
         if (mInitialised)
             return false;
 
-        const Compiler::Locals& locals =
-            MWBase::Environment::get().getScriptManager()->getLocals (script.mId);
-
-        mShorts.clear();
-        mShorts.resize (locals.get ('s').size(), 0);
-        mLongs.clear();
-        mLongs.resize (locals.get ('l').size(), 0);
-        mFloats.clear();
-        mFloats.resize (locals.get ('f').size(), 0);
+        const Locals* global = MWBase::Environment::get().getScriptManager()->getGlobalScripts().getLocalsIfPresent(script.mId);
+        if(global)
+        {
+            mShorts = global->mShorts;
+            mLongs = global->mLongs;
+            mFloats = global->mFloats;
+        }
+        else
+        {
+            const Compiler::Locals& locals =
+                MWBase::Environment::get().getScriptManager()->getLocals (script.mId);
+
+            mShorts.clear();
+            mShorts.resize (locals.get ('s').size(), 0);
+            mLongs.clear();
+            mLongs.resize (locals.get ('l').size(), 0);
+            mFloats.clear();
+            mFloats.resize (locals.get ('f').size(), 0);
+        }
 
         mInitialised = true;
         return true;