get all actors following a given actor

apps/openmw/mwbase/mechanicsmanager.hpp

@@ -3,6 +3,7 @@
 
 #include <string>
 #include <vector>
+#include <list>
 
 namespace Ogre
 {
@@ -151,6 +152,9 @@ namespace MWBase
 
         virtual void toggleAI() = 0;
         virtual bool isAIActive() = 0;
+
+        ///return the list of actors which are following the given actor (ie AiFollow is active and the target is the actor)
+        virtual std::list<MWWorld::Ptr> getActorsFollowing(const MWWorld::Ptr& actor) = 0;
     };
 }
 

apps/openmw/mwmechanics/actors.cpp

@@ -27,6 +27,7 @@
 #include "../mwbase/mechanicsmanager.hpp"
 
 #include "aicombat.hpp"
+#include "aifollow.hpp"
 
 namespace
 {
@@ -877,4 +878,22 @@ namespace MWMechanics
             return iter->second->isAnimPlaying(groupName);
         return false;
     }
+
+    std::list<MWWorld::Ptr> Actors::getActorsFollowing(const MWWorld::Ptr& actor)
+    {
+        std::list<MWWorld::Ptr> list;
+        for(PtrControllerMap::iterator iter(mActors.begin());iter != mActors.end();iter++)
+        {
+            const MWWorld::Class &cls = MWWorld::Class::get(iter->first);
+            CreatureStats &stats = cls.getCreatureStats(iter->first);
+
+            if(stats.getAiSequence().getTypeId() == 3)
+            {
+                MWMechanics::AiFollow* package = static_cast<MWMechanics::AiFollow*>(stats.getAiSequence().getActivePackage());
+                if(package->getFollowedActor() == actor.getCellRef().mRefID)
+                    list.push_front(iter->first);
+            }
+        }
+        return list;
+    }
 }

apps/openmw/mwmechanics/actors.hpp

@@ -91,6 +91,9 @@ namespace MWMechanics
         void skipAnimation(const MWWorld::Ptr& ptr);
         bool checkAnimationPlaying(const MWWorld::Ptr& ptr, const std::string& groupName);
 
+            std::list<MWWorld::Ptr> getActorsFollowing(const MWWorld::Ptr& actor);
+            ///<return the list of actors which are following the given actor (ie AiFollow is active and the target is the actor)
+
     private:
         PtrControllerMap mActors;
 

apps/openmw/mwmechanics/mechanicsmanagerimp.cpp

@@ -918,4 +918,9 @@ namespace MWMechanics
 
         return (roll >= target);
     }
+
+    std::list<MWWorld::Ptr> MechanicsManager::getActorsFollowing(const MWWorld::Ptr& actor)
+    {
+        return mActors.getActorsFollowing(actor);
+    }
 }

apps/openmw/mwmechanics/mechanicsmanagerimp.hpp

@@ -129,6 +129,8 @@ namespace MWMechanics
 
         virtual void toggleAI();
         virtual bool isAIActive();
+
+        virtual std::list<MWWorld::Ptr> getActorsFollowing(const MWWorld::Ptr& actor);
     };
 }