Use shared pointers to store animation sources

This ensures references to the sources stay valid as long it the object
is, rather than becoming invalidated whenever one is added or removed.

apps/openmw/mwrender/animation.cpp

@@ -189,19 +189,17 @@ void Animation::addAnimSource(const std::string &model)
         return;
 
     std::vector<Ogre::Controller<Ogre::Real> > ctrls;
-    mAnimSources.push_back(AnimSource());
-    NifOgre::Loader::createKfControllers(mSkelBase, kfname, mAnimSources.back().mTextKeys, ctrls);
-    if(mAnimSources.back().mTextKeys.size() == 0 || ctrls.size() == 0)
-    {
-        mAnimSources.pop_back();
+    Ogre::SharedPtr<AnimSource> animsrc(OGRE_NEW AnimSource);
+    NifOgre::Loader::createKfControllers(mSkelBase, kfname, animsrc->mTextKeys, ctrls);
+    if(animsrc->mTextKeys.size() == 0 || ctrls.size() == 0)
         return;
-    }
 
-    std::vector<Ogre::Controller<Ogre::Real> > *grpctrls = mAnimSources.back().mControllers;
-    NifOgre::NodeTargetValue<Ogre::Real> *dstval;
+    mAnimSources.push_back(animsrc);
 
+    std::vector<Ogre::Controller<Ogre::Real> > *grpctrls = animsrc->mControllers;
     for(size_t i = 0;i < ctrls.size();i++)
     {
+        NifOgre::NodeTargetValue<Ogre::Real> *dstval;
         dstval = static_cast<NifOgre::NodeTargetValue<Ogre::Real>*>(ctrls[i].getDestination().getPointer());
 
         size_t grp = detectAnimGroup(dstval->getNode());
@@ -264,7 +262,7 @@ bool Animation::hasAnimation(const std::string &anim)
     AnimSourceList::const_iterator iter(mAnimSources.begin());
     for(;iter != mAnimSources.end();iter++)
     {
-        const NifOgre::TextKeyMap &keys = iter->mTextKeys;
+        const NifOgre::TextKeyMap &keys = (*iter)->mTextKeys;
         if(findGroupStart(keys, anim) != keys.end())
             return true;
     }
@@ -510,9 +508,9 @@ bool Animation::play(const std::string &groupname, Priority priority, int groups
     for(;iter != mAnimSources.rend();iter++)
     {
         AnimState state;
-        if(reset(state, iter->mTextKeys, groupname, start, stop, startpoint))
+        if(reset(state, (*iter)->mTextKeys, groupname, start, stop, startpoint))
         {
-            state.mSource = &*iter;
+            state.mSource = *iter;
             state.mLoopCount = loops;
             state.mPlaying = true;
             state.mPriority = priority;
@@ -561,7 +559,7 @@ bool Animation::resetActiveGroups()
 
     bool ismoving = false;
 
-    const AnimSource *animsrc = state->second.mSource;
+    const Ogre::SharedPtr<AnimSource> &animsrc = state->second.mSource;
     const NifOgre::TextKeyMap &keys = animsrc->mTextKeys;
     const std::vector<Ogre::Controller<Ogre::Real> >&ctrls = animsrc->mControllers[0];
     for(size_t i = 0;i < ctrls.size();i++)
@@ -579,18 +577,25 @@ bool Animation::resetActiveGroups()
     }
 
     // If there's no velocity, keep looking
-    while(!(mAnimVelocity > 1.0f) && animsrc-- != &mAnimSources[0])
+    if(!(mAnimVelocity > 1.0f))
     {
-        const NifOgre::TextKeyMap &keys = animsrc->mTextKeys;
-        const std::vector<Ogre::Controller<Ogre::Real> >&ctrls = animsrc->mControllers[0];
-        for(size_t i = 0;i < ctrls.size();i++)
+        AnimSourceList::const_reverse_iterator animiter = mAnimSources.rbegin();
+        while(*animiter != animsrc)
+            ++animiter;
+
+        while(!(mAnimVelocity > 1.0f) && ++animiter != mAnimSources.rend())
         {
-            NifOgre::NodeTargetValue<Ogre::Real> *dstval;
-            dstval = static_cast<NifOgre::NodeTargetValue<Ogre::Real>*>(ctrls[i].getDestination().getPointer());
-            if(dstval->getNode() == mNonAccumRoot)
+            const NifOgre::TextKeyMap &keys = (*animiter)->mTextKeys;
+            const std::vector<Ogre::Controller<Ogre::Real> >&ctrls = (*animiter)->mControllers[0];
+            for(size_t i = 0;i < ctrls.size();i++)
             {
-                mAnimVelocity = calcAnimVelocity(keys, dstval, mAccumulate, state->first);
-                break;
+                NifOgre::NodeTargetValue<Ogre::Real> *dstval;
+                dstval = static_cast<NifOgre::NodeTargetValue<Ogre::Real>*>(ctrls[i].getDestination().getPointer());
+                if(dstval->getNode() == mNonAccumRoot)
+                {
+                    mAnimVelocity = calcAnimVelocity(keys, dstval, mAccumulate, state->first);
+                    break;
+                }
             }
         }
     }
@@ -675,7 +680,7 @@ Ogre::Vector3 Animation::runAnimation(float duration)
         const std::string &name = mAnimationValuePtr[grp]->getAnimName();
         if(!name.empty() && (stateiter=mStates.find(name)) != mStates.end())
         {
-            AnimSource *src = stateiter->second.mSource;
+            const Ogre::SharedPtr<AnimSource> &src = stateiter->second.mSource;
             for(size_t i = 0;i < src->mControllers[grp].size();i++)
                 src->mControllers[grp][i].update();
         }

apps/openmw/mwrender/animation.hpp

@@ -57,10 +57,10 @@ protected:
         NifOgre::TextKeyMap mTextKeys;
         std::vector<Ogre::Controller<Ogre::Real> > mControllers[sNumGroups];
     };
-    typedef std::vector<AnimSource> AnimSourceList;
+    typedef std::vector< Ogre::SharedPtr<AnimSource> > AnimSourceList;
 
     struct AnimState {
-        AnimSource *mSource;
+        Ogre::SharedPtr<AnimSource> mSource;
         NifOgre::TextKeyMap::const_iterator mStartKey;
         NifOgre::TextKeyMap::const_iterator mLoopStartKey;
         NifOgre::TextKeyMap::const_iterator mStopKey;
@@ -75,7 +75,8 @@ protected:
         int mGroups;
         bool mAutoDisable;
 
-        AnimState() : mSource(NULL), mTime(0.0f), mPlaying(false), mLoopCount(0)
+        AnimState() : mTime(0.0f), mPlaying(false), mLoopCount(0),
+                      mPriority(0), mGroups(0), mAutoDisable(true)
         { }
     };
     typedef std::map<std::string,AnimState> AnimStateMap;