Core/Script: Add spellscript for Earthbind totem spell (patch by Socolin)

--HG--
branch : trunk

sql/base/world_database.sql

@@ -26960,6 +26960,7 @@ INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
 -- shaman
 ( 39610, 'spell_sha_mana_tide_totem'),
 ( -1535, 'spell_sha_fire_nova'),
+(  6474, 'spell_sha_earthbind_totem'),
 -- mage
 (-11113, 'spell_mage_blast_wave'),
 ( 11958, 'spell_mage_cold_snap'),

sql/updates/10462_world_spell_script_names.sql

@@ -0,0 +1 @@
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES (6474, 'spell_sha_earthbind_totem');

src/server/scripts/Spells/spell_shaman.cpp

@@ -29,7 +29,11 @@ enum ShamanSpells
     SHAMAN_SPELL_GLYPH_OF_MANA_TIDE     = 55441,
     SHAMAN_SPELL_MANA_TIDE_TOTEM        = 39609,
     SHAMAN_SPELL_FIRE_NOVA_R1           = 1535,
-    SHAMAN_SPELL_FIRE_NOVA_TRIGGERED_R1 = 8349
+    SHAMAN_SPELL_FIRE_NOVA_TRIGGERED_R1 = 8349,
+    
+    //For Earthen Power
+    SHAMAN_TOTEM_SPELL_EARTHBIND_TOTEM  = 6474, //Spell casted by totem
+    SHAMAN_TOTEM_SPELL_EARTHEN_POWER    = 59566,//Spell witch remove snare effect
 };
 
 // 1535 Fire Nova
@@ -131,8 +135,48 @@ public:
     }
 };
 
+// 6474 - Earthbind Totem - Fix Talent:Earthen Power 
+class spell_sha_earthbind_totem : public SpellScriptLoader
+{
+public:
+    spell_sha_earthbind_totem() : SpellScriptLoader("spell_sha_earthbind_totem") { }
+
+    class spell_sha_earthbind_totem_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_sha_earthbind_totem_AuraScript); 
+        
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            if (!sSpellStore.LookupEntry(SHAMAN_TOTEM_SPELL_EARTHBIND_TOTEM)) 
+                return false;
+            if (!sSpellStore.LookupEntry(SHAMAN_TOTEM_SPELL_EARTHEN_POWER))
+                return false;
+            return true;
+        }
+
+        void HandleEffectPeriodic(AuraEffect const * aurEff, AuraApplication const * aurApp)
+        {
+            if (Unit* target = aurApp->GetTarget())
+                if (Unit *caster = aurEff->GetBase()->GetCaster())
+                    if (AuraEffect* aur = caster->GetDummyAuraEffect(SPELLFAMILY_SHAMAN, 2289, 0))
+                        if (roll_chance_i(aur->GetBaseAmount()))
+                            target->CastSpell(target, SHAMAN_TOTEM_SPELL_EARTHEN_POWER, true, NULL, aurEff);
+        }
+
+        void Register()
+        {
+             OnEffectPeriodic += AuraEffectPeriodicFn(spell_sha_earthbind_totem_AuraScript::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_sha_earthbind_totem_AuraScript();
+    }
+};
 void AddSC_shaman_spell_scripts()
 {
     new spell_sha_fire_nova();
     new spell_sha_mana_tide_totem();
+    new spell_sha_earthbind_totem();
 }