[Client] Add MechanicsHelper method to get actorId of an mwmp::Target

Also clean up MechanicsHelper::getPlayerPtr() slightly.

apps/openmw/mwmp/MechanicsHelper.cpp

@@ -143,13 +143,52 @@ Cast *MechanicsHelper::getDedicatedCast(const MWWorld::Ptr& ptr)
 MWWorld::Ptr MechanicsHelper::getPlayerPtr(const Target& target)
 {
     if (target.guid == mwmp::Main::get().getLocalPlayer()->guid)
+    {
         return MWMechanics::getPlayer();
-    else if (PlayerList::getPlayer(target.guid) != nullptr)
-        return PlayerList::getPlayer(target.guid)->getPtr();
+    }
+    else
+    {
+        mwmp::DedicatedPlayer* dedicatedPlayer = mwmp::PlayerList::getPlayer(target.guid);
+
+        if (dedicatedPlayer != nullptr)
+        {
+            return dedicatedPlayer->getPtr();
+        }
+    }
 
     return nullptr;
 }
 
+unsigned int MechanicsHelper::getActorId(const mwmp::Target& target)
+{
+    int actorId = -1;
+    MWWorld::Ptr targetPtr;
+
+    if (target.isPlayer)
+    {
+        targetPtr = getPlayerPtr(target);
+    }
+    else
+    {
+        auto controller = mwmp::Main::get().getCellController();
+        if (controller->isLocalActor(target.refNum, target.mpNum))
+        {
+            targetPtr = controller->getLocalActor(target.refNum, target.mpNum)->getPtr();
+        }
+        else if (controller->isDedicatedActor(target.refNum, target.mpNum))
+        {
+            targetPtr = controller->getDedicatedActor(target.refNum, target.mpNum)->getPtr();
+        }
+    }
+
+    if (targetPtr)
+    {
+        actorId = targetPtr.getClass().getCreatureStats(targetPtr).getActorId();
+    }
+
+    return actorId;
+}
+
 mwmp::Item MechanicsHelper::getItem(const MWWorld::Ptr& itemPtr, int count)
 {
     mwmp::Item item;

apps/openmw/mwmp/MechanicsHelper.hpp

@@ -24,6 +24,7 @@ namespace MechanicsHelper
     mwmp::Cast *getDedicatedCast(const MWWorld::Ptr& ptr);
 
     MWWorld::Ptr getPlayerPtr(const mwmp::Target& target);
+    unsigned int getActorId(const mwmp::Target& target);
 
     mwmp::Item getItem(const MWWorld::Ptr& itemPtr, int count);
     mwmp::Target getTarget(const MWWorld::Ptr& ptr);