[10735] Fixed spell 51420 work by use recently added protector pets as expected.

Thanks to NoFantasy for problem research (and prev. new pet type adding case research aslo) ;)

src/game/SpellEffects.cpp

@@ -1541,13 +1541,8 @@ void Spell::EffectDummy(SpellEffectIndex eff_idx)
                     if (!unitTarget || unitTarget->GetTypeId() != TYPEID_UNIT)
                         return;
 
-                    if (m_caster->GetTypeId() != TYPEID_PLAYER)
-                        return;
-
-                    // Not expecting any MINI_PET here, the ones used for related quests are
-                    // fighting "companions" (effMiscValueB 387). Needs to be corrected.
-                    Pet* pPet = ((Player*)m_caster)->GetMiniPet();
-
+                    // only spell related protector pets exist currently
+                    Pet* pPet = m_caster->GetProtectorPet();
                     if (!pPet)
                         return;
 

src/game/Unit.cpp

@@ -5909,11 +5909,20 @@ void Unit::RemoveGuardians()
 
 Pet* Unit::FindGuardianWithEntry(uint32 entry)
 {
-    // pet guid middle part is entry (and creature also)
-    // and in guardian list must be guardians with same entry _always_
     for(GuardianPetList::const_iterator itr = m_guardianPets.begin(); itr != m_guardianPets.end(); ++itr)
         if(Pet* pet = GetMap()->GetPet(*itr))
-            if (pet->GetEntry() == entry)
+            if (pet->getPetType() == entry)
+                return pet;
+
+    return NULL;
+}
+
+
+Pet* Unit::GetProtectorPet()
+{
+    for(GuardianPetList::const_iterator itr = m_guardianPets.begin(); itr != m_guardianPets.end(); ++itr)
+        if(Pet* pet = GetMap()->GetPet(*itr))
+            if (pet->getPetType() == PROTECTOR_PET)
                 return pet;
 
     return NULL;

src/game/Unit.h

@@ -1532,6 +1532,7 @@ class MANGOS_DLL_SPEC Unit : public WorldObject
         void RemoveGuardian(Pet* pet);
         void RemoveGuardians();
         Pet* FindGuardianWithEntry(uint32 entry);
+        Pet* GetProtectorPet();                             // expected single case in guardian list
 
         bool isCharmed() const { return !GetCharmerGuid().IsEmpty(); }
 

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "10734"
+ #define REVISION_NR "10735"
 #endif // __REVISION_NR_H__