Core:

* add helping methods for manipulating unit's health and use it where applicable
* fix some conversion warnings and cleanup code (formatting, CRLF, tabs to spaces)

--HG--
branch : trunk

src/server/scripts/Spells/spell_warlock.cpp

@@ -74,7 +74,7 @@ public:
                     case CREATURE_FAMILY_VOIDWALKER:
                     {
                         SpellEntry const* spellInfo = sSpellStore.LookupEntry(WARLOCK_DEMONIC_EMPOWERMENT_VOIDWALKER);
-                        int32 hp = targetCreature->GetMaxHealth() * GetCaster()->CalculateSpellDamage(targetCreature, spellInfo, 0) / 100;
+                        int32 hp = int32(targetCreature->CountPctFromMaxHealth(GetCaster()->CalculateSpellDamage(targetCreature, spellInfo, 0)));
                         targetCreature->CastCustomSpell(targetCreature, WARLOCK_DEMONIC_EMPOWERMENT_VOIDWALKER, &hp, NULL, NULL, true);
                         //unitTarget->CastSpell(unitTarget, 54441, true);
                         break;