*Clean up summon code.

--HG--
branch : trunk

src/game/TemporarySummon.cpp

@@ -257,37 +257,18 @@ void TempSummon::SaveToDB()
 {
 }
 
-bool TempSummon::SetOwner(Unit *owner, bool apply)
-{
-    if(apply)
-    {
-        if(!AddUInt64Value(UNIT_FIELD_SUMMONEDBY, owner->GetGUID()))
-        {
-            sLog.outCrash("Unit %u is summoned by %u but it already has a owner", GetEntry(), owner->GetEntry());
-            return false;
-        }
-        if(owner->GetTypeId() == TYPEID_PLAYER)
-        {
-            m_ControlledByPlayer = true;
-            SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PVP_ATTACKABLE);
-        }
-    }
-    else
-    {
-        if(!RemoveUInt64Value(UNIT_FIELD_SUMMONEDBY, owner->GetGUID()))
-        {
-            sLog.outCrash("Unit %u is unsummoned by %u but it has another owner", GetEntry(), owner->GetEntry());
-            return false;
-        }
-    }
-
-    return true;
-}
-
 Minion::Minion(SummonPropertiesEntry const *properties, Unit *owner) : TempSummon(properties, owner)
 , m_owner(owner)
 {
+    assert(m_owner);
     m_summonMask |= SUMMON_MASK_MINION;
+    SetUInt64Value(UNIT_FIELD_SUMMONEDBY, m_owner->GetGUID());
+
+    if(m_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        m_ControlledByPlayer = true;
+        SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PVP_ATTACKABLE);
+    }
 }
 
 void Minion::InitSummon(uint32 duration)

src/game/TemporarySummon.h

@@ -38,8 +38,6 @@ class TempSummon : public Creature
         uint64 const& GetSummonerGUID() { return m_summonerGUID; }
 
         SummonPropertiesEntry const *m_Properties;
-
-        bool SetOwner(Unit *owner, bool apply);
     private:
         TempSummonType m_type;
         uint32 m_timer;
@@ -55,7 +53,7 @@ class Minion : public TempSummon
         void RemoveFromWorld();
         Unit *GetOwner() { return m_owner; }
     protected:
-        Unit *m_owner;
+        Unit * const m_owner;
 };
 
 class Guardian : public Minion

src/game/Totem.cpp

@@ -110,35 +110,32 @@ void Totem::UnSummon()
 
     CombatStop();
     RemoveAurasDueToSpell(GetSpell());
-    Unit *owner = GetOwner();
-    if (owner)
+
+    // clear owenr's totem slot
+    for(int i = SUMMON_SLOT_TOTEM; i < MAX_TOTEM_SLOT; ++i)
     {
-        // clear owenr's totem slot
-        for(int i = SUMMON_SLOT_TOTEM; i < MAX_TOTEM_SLOT; ++i)
+        if(m_owner->m_SummonSlot[i]==GetGUID())
         {
-            if(owner->m_SummonSlot[i]==GetGUID())
-            {
-                owner->m_SummonSlot[i] = 0;
-                break;
-            }
+            m_owner->m_SummonSlot[i] = 0;
+            break;
         }
+    }
 
-        owner->RemoveAurasDueToSpell(GetSpell());
+    m_owner->RemoveAurasDueToSpell(GetSpell());
 
-        //remove aura all party members too
-        Group *pGroup = NULL;
-        if (owner->GetTypeId() == TYPEID_PLAYER)
+    //remove aura all party members too
+    Group *pGroup = NULL;
+    if (m_owner->GetTypeId() == TYPEID_PLAYER)
+    {
+        // Not only the player can summon the totem (scripted AI)
+        pGroup = ((Player*)m_owner)->GetGroup();
+        if (pGroup)
         {
-            // Not only the player can summon the totem (scripted AI)
-            pGroup = ((Player*)owner)->GetGroup();
-            if (pGroup)
+            for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
             {
-                for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
-                {
-                    Player* Target = itr->getSource();
-                    if(Target && pGroup->SameSubGroup((Player*)owner, Target))
-                        Target->RemoveAurasDueToSpell(GetSpell());
-                }
+                Player* Target = itr->getSource();
+                if(Target && pGroup->SameSubGroup((Player*)m_owner, Target))
+                    Target->RemoveAurasDueToSpell(GetSpell());
             }
         }
     }

src/game/Unit.cpp

@@ -8143,12 +8143,14 @@ Unit* Unit::GetCharm() const
 void Unit::SetMinion(Minion *minion, bool apply)
 {
     sLog.outDebug("SetMinion %u for %u, apply %u", minion->GetEntry(), GetEntry(), apply);
+    if(minion->GetOwnerGUID() != GetGUID())
+    {
+        sLog.outCrash("SetMinion: Minion %u is not the minion of owner %u", minion->GetEntry(), GetEntry());
+        return;
+    }
 
     if(apply)
     {
-        if(!minion->SetOwner(this, true))
-            return;
-
         m_Controlled.insert(minion);
 
         // Can only have one pet. If a new one is summoned, dismiss the old one.
@@ -8204,9 +8206,6 @@ void Unit::SetMinion(Minion *minion, bool apply)
     }
     else
     {
-        if(!minion->SetOwner(this, false))
-            return;
-
         m_Controlled.erase(minion);
 
         if(minion->isPet() || minion->m_Properties && minion->m_Properties->Category == SUMMON_CATEGORY_PET)