Core/SmartAI:

- Improve an error msg in ProcessAction
- Allow dist/angle to be 0.0f and set default if negative when using SMART_ACTION_FOLLOW
- Some minor cleanup in Opcodes.cpp, all smsg's should have Handle_ServerSide

src/server/game/AI/SmartScripts/SmartAI.cpp

@@ -804,12 +804,12 @@ void SmartAI::SetFollow(Unit* target, float dist, float angle, uint32 credit, ui
         return;
     SetRun(mRun);
     mFollowGuid = target->GetGUID();
-    mFollowDist = dist ? dist : PET_FOLLOW_DIST;
-    mFollowAngle = angle ? angle : me->GetFollowAngle();
+    mFollowDist = dist >= 0.0f ? dist : PET_FOLLOW_DIST;
+    mFollowAngle = angle >= 0.0f ? angle : me->GetFollowAngle();
     mFollowArrivedTimer = 1000;
     mFollowCredit = credit;
     mFollowArrivedEntry = end;
-    me->GetMotionMaster()->MoveFollow(target, dist, angle);
+    me->GetMotionMaster()->MoveFollow(target, mFollowDist, mFollowAngle);
     mFollowCreditType = creditType;
 }
 

src/server/game/AI/SmartScripts/SmartScript.cpp

@@ -1925,7 +1925,7 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             break;
         }
         default:
-            sLog->outErrorDb("SmartScript::ProcessAction: Unhandled Action type %u", e.GetActionType());
+            sLog->outErrorDb("SmartScript::ProcessAction: Entry %d SourceType %u, Event %u, Unhandled Action type %u", e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType());
             break;
     }