Add Diminishing_None to Feral Charge. And Add Blizzlike Animations to Flags / Chest Captures. (#664)

* Add Diminishing_None to Feral Charge.

Closes https://github.com/azerothcore/azerothcore-wotlk/issues/648

Credit: AnonXS @L4G_Core

* Update Spell.h

* Add blizzlike ecapturing flag / chest animation

Code from Nostalrius.

* Add missing blizzlike animations.

Demonic Circle: Summon, Soul well, Ritual of Summoning. There's probably more.

* Update Object.cpp

src/game/Entities/Object/Object.cpp

@@ -209,6 +209,8 @@ void Object::BuildCreateUpdateBlockForPlayer(UpdateData* data, Player* target) c
                     updatetype = UPDATETYPE_CREATE_OBJECT2;
                     break;
                 default:
+                    if (((GameObject*)this)->GetOwner())
+			updatetype = UPDATETYPE_CREATE_OBJECT2;
                     break;
             }
         }

src/game/Spells/Spell.cpp

@@ -3341,6 +3341,8 @@ void Spell::prepare(SpellCastTargets const* targets, AuraEffect const* triggered
     }
     LoadScripts();
 
+    OnSpellLaunch();
+    
     m_powerCost = m_CastItem ? 0 : m_spellInfo->CalcPowerCost(m_caster, m_spellSchoolMask, this);
 
     // Set combo point requirement
@@ -8280,6 +8282,28 @@ void Spell::CancelGlobalCooldown()
         m_caster->ToPlayer()->GetGlobalCooldownMgr().CancelGlobalCooldown(m_spellInfo);
 }
 
+void Spell::OnSpellLaunch()
+{
+	if (!m_caster || !m_caster->IsInWorld())
+		return;
+
+	SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(24390);
+
+	// Make sure the player is sending a valid GO target and lock ID. SPELL_EFFECT_OPEN_LOCK
+	// can succeed with a lockId of 0
+	if (m_spellInfo->Id == 21651)
+	{
+		if (GameObject *go = m_targets.GetGOTarget())
+		{
+			LockEntry const *lockInfo = sLockStore.LookupEntry(go->GetGOInfo()->GetLockId());
+			if (lockInfo && lockInfo->Index[1] == LOCKTYPE_SLOW_OPEN)
+			{
+				Spell* visual = new Spell(m_caster, spellInfo, TRIGGERED_NONE);
+				visual->prepare(&m_targets);
+			}
+		}
+	}
+}
 
 namespace Trinity
 {

src/game/Spells/Spell.h

@@ -410,6 +410,8 @@ class Spell
         // handler helpers
         void _handle_immediate_phase();
         void _handle_finish_phase();
+    
+        void OnSpellLaunch();
 
         SpellCastResult CheckItems();
         SpellCastResult CheckSpellFocus();

src/game/Spells/SpellMgr.cpp

@@ -132,6 +132,9 @@ DiminishingGroup GetDiminishingReturnsGroupForSpell(SpellInfo const* spellproto,
             // Faerie Fire
             else if (spellproto->SpellFamilyFlags[0] & 0x400)
                 return DIMINISHING_LIMITONLY;
+            // Feral Charge Root Effect
+            else if (spellproto->Id == 45334)
+                return DIMINISHING_NONE;
             break;
         }
         case SPELLFAMILY_ROGUE: