*fix spell: Tag Murloc (30877)

--HG--
branch : trunk

src/game/SharedDefines.h

@@ -2369,6 +2369,7 @@ enum CorpseDynFlags
 #define SPELL_ID_HONORLESS_TARGET               2479        // Honorless target
 #define SPELL_ID_DUEL_BEG                       7267        // Beg
 #define SPELL_ID_DEATH_GATE                     50977       // Death Gate
+#define SPELL_ID_TAG_MURLOC                     30877       // Tag Murloc
 
 enum WeatherType
 {

src/game/Spell.cpp

@@ -5074,6 +5074,10 @@ SpellCastResult Spell::CheckCast(bool strict)
                 //custom check
                 switch(m_spellInfo->Id)
                 {
+                    case SPELL_ID_TAG_MURLOC:
+                        if (!m_targets.getUnitTarget() || (m_targets.getUnitTarget() && (m_targets.getUnitTarget()->HasAura(SPELL_ID_TAG_MURLOC) || m_targets.getUnitTarget()->GetTypeId() != TYPEID_UNIT || (m_targets.getUnitTarget()->GetTypeId() == TYPEID_UNIT && ((Creature*)m_targets.getUnitTarget())->GetEntry() != 17326 ))))// Tag Murloc, Blacksilt Scout
+                            return SPELL_FAILED_BAD_TARGETS;
+                        break;
                     case 61336:
                         if(m_caster->GetTypeId() != TYPEID_PLAYER || !((Player*)m_caster)->IsInFeralForm())
                             return SPELL_FAILED_ONLY_SHAPESHIFT;

src/game/SpellMgr.cpp

@@ -767,6 +767,7 @@ bool SpellMgr::_isPositiveEffect(uint32 spellId, uint32 effIndex, bool deep) con
         case 50524:                                         // Runic Power Feed
             return false;
         case 12042:                                         // Arcane Power
+        case SPELL_ID_TAG_MURLOC:                           // Tag Murloc
             return true;
     }
 
@@ -3806,6 +3807,10 @@ void SpellMgr::LoadSpellCustomAttr()
             spellInfo->AttributesEx5 |= SPELL_ATTR_EX5_START_PERIODIC_AT_APPLY;
             count++;
             break;
+        case SPELL_ID_TAG_MURLOC:
+            spellInfo->EffectImplicitTargetA[0] = TARGET_UNIT_NEARBY_ENTRY;
+            spellInfo->EffectImplicitTargetB[0] = 0;
+            break;
         default:
             break;
         }