*Creature::_IsTargetAcceptable rewrite, should hopefully fix the bugs ogeraisi reported.

*Creature health regen patch, written and tested by Gyullo.

--HG--
branch : trunk

src/game/Creature.cpp

@@ -533,15 +533,24 @@ void Creature::Update(uint32 diff)
             if(!isAlive())
                 break;
 
+            if(m_regenTimer > 0)
+            {
+                if(diff >= m_regenTimer)
+                    m_regenTimer = 0;
+                else
+                    m_regenTimer -= diff;
+            }
+
+            if (m_regenTimer != 0)
+               break;
+
             bool bIsPolymorphed = IsPolymorphed();
             bool bInCombat = isInCombat() && (!getVictim() ||                                        // if isInCombat() is true and this has no victim
                              !getVictim()->GetCharmerOrOwnerPlayerOrPlayerItself() ||                // or the victim/owner/charmer is not a player
                              !getVictim()->GetCharmerOrOwnerPlayerOrPlayerItself()->isGameMaster()); // or the victim/owner/charmer is not a GameMaster
 
-            if(m_regenTimer > diff && !bIsPolymorphed) // if polymorphed, skip the timer
+            /*if(m_regenTimer <= diff) 
-                m_regenTimer -= diff;
+            {*/
-            else
-            {
             if(!bInCombat || bIsPolymorphed) // regenerate health if not in combat or if polymorphed
                 RegenerateHealth();
 
@@ -553,10 +562,12 @@ void Creature::Update(uint32 diff)
             else
                 RegenerateMana();
 
-                if(!bIsPolymorphed) // only increase the timer if not polymorphed
+            /*if(!bIsPolymorphed) // only increase the timer if not polymorphed
                     m_regenTimer += 2000 - diff;
             }   
-
+            else
+                if(!bIsPolymorphed) // if polymorphed, skip the timer
+                    m_regenTimer -= diff;*/
             break;
         }
         case DEAD_FALLING:
@@ -2175,29 +2186,36 @@ bool Creature::CanAssistTo(const Unit* u, const Unit* enemy, bool checkfaction /
 // friendlies and other mobs they shouldn't attack
 bool Creature::_IsTargetAcceptable(const Unit *target) const
 {
-    if(IsFriendlyTo(target)) // friends shouldn't fight friends
+    const Unit *myVictim = getAttackerForHelper();
-        return false;
 
-    const Unit* targetVictim = target->getAttackerForHelper();
+    // if I'm already fighting target, the target is acceptable
-
+    if (myVictim == target)
-    if(!targetVictim) // if target does not have a victim, the target is acceptable
         return true;
 
-    const Player* targetVictimPlayer = targetVictim->GetCharmerOrOwnerPlayerOrPlayerItself();
+    // if I'm not aggressive, the target is not acceptable
-
+    if (GetReactState() != REACT_AGGRESSIVE)
-    if(!targetVictimPlayer) // if the victim is not a player, the target is acceptable
-        return true;
-
-    // if the victim is a non-friendly player, the target is not acceptable
-    if(!IsFriendlyTo(targetVictim))
         return false;
 
+    // if I'm hostile towards the target, the target is acceptable
+    if (IsHostileTo(target))
+        return true;
+
     // if the target is passive, the target is not acceptable
     if (((Creature*)target)->GetReactState() == REACT_PASSIVE)
         return false;
 
-    // otherwise, the target is acceptable
+    const Unit *targetVictim = target->getAttackerForHelper();
+
+    // if the target does not have a victim, the target is not acceptable
+    if (!targetVictim)
+        return false;
+
+    // if the target's victim is friendly, and the target is neutral, the target is acceptable
+    if (IsFriendlyTo(targetVictim) && !IsFriendlyTo(target))
         return true;
+
+    // if the target's victim is not friendly, or the target is friendly, the target is not acceptable
+    return false;
 }
 
 void Creature::SaveRespawnTime()

src/game/CreatureAIImpl.h

@@ -488,7 +488,7 @@ inline void CreatureAI::SetGazeOn(Unit *target)
     if(me->canAttack(target))
     {
         AttackStart(target);
-        me->SetReactState(REACT_AGGRESSIVE);
+        me->SetReactState(REACT_PASSIVE);
     }
 }
 
@@ -524,7 +524,6 @@ inline bool CreatureAI::UpdateCombatState()
     else if(me->getThreatManager().isThreatListEmpty())
     {
         EnterEvadeMode();
-        me->SetReactState(REACT_PASSIVE);
         return false;
     }
 
@@ -545,7 +544,6 @@ inline bool CreatureAI::UpdateVictim()
     else if(me->getThreatManager().isThreatListEmpty())
     {
         EnterEvadeMode();
-        me->SetReactState(REACT_PASSIVE);
         return false;
     }
 
@@ -569,18 +567,16 @@ inline bool CreatureAI::_EnterEvadeMode()
         return false;
 
     // sometimes bosses stuck in combat?
+    me->RemoveAllAuras();
     me->DeleteThreatList();
     me->CombatStop(true);
+    me->LoadCreaturesAddon();
+    me->SetLootRecipient(NULL);
     me->ResetPlayerDamageReq();
     
     if(me->IsInEvadeMode())
         return false;
 
-    me->RemoveAllAuras();
-    me->LoadCreaturesAddon();
-    me->SetLootRecipient(NULL);
-    me->SetReactState(REACT_AGGRESSIVE);
-
     return true;
 }