Scripts/Vault of Archavon: Earth, Wind & Fire achievement - by idostyle@zoit, with some spell attribute correction to the patch by me.

sql/updates/world/2011_09_03_09_world_spell_dbc.sql

@@ -0,0 +1,5 @@
+-- Dummy effect with caster as target
+DELETE FROM `spell_dbc` WHERE `id` IN (68308);
+INSERT INTO `spell_dbc` (`Id`, `Attributes`, `AttributesEx`, `AttributesEx2`,`AttributesEx3`,`AttributesEx4`,`AttributesEx5`,`AttributesEx6`,`Effect1`,`EffectImplicitTargetA1`,`EffectImplicitTargetB1`,`comment`)
+VALUES
+(68308, 0x09800100, 0x00000420, 0x00004005, 0x10040000, 0x00000080, 0x00000008, 0x00001000, 3, 1, 0, 'Vault of Archavon - Earth, Wind & Fire - Achievement Check');

src/server/scripts/Northrend/VaultOfArchavon/instance_vault_of_archavon.cpp

@@ -41,6 +41,9 @@ class instance_archavon : public InstanceMapScript
             {
                 EmalonGUID = 0;
                 ToravonGUID = 0;
+                ArchavonDeath = 0;
+                EmalonDeath = 0;
+                KoralonDeath = 0;
             }
 
             void OnCreatureCreate(Creature* creature)
@@ -73,9 +76,63 @@ class instance_archavon : public InstanceMapScript
                 return 0;
             }
 
+            bool SetBossState(uint32 type, EncounterState state)
+            {
+                if (!InstanceScript::SetBossState(type, state))
+                    return false;
+
+                if (state != DONE)
+                   return true;
+
+                switch (type)
+                {
+                    case DATA_ARCHAVON:
+                        ArchavonDeath = time(NULL);
+                        break;
+                    case DATA_EMALON:
+                        EmalonDeath = time(NULL);
+                        break;
+                    case DATA_KORALON:
+                        KoralonDeath = time(NULL);
+                        break;
+                    default:
+                        return true;
+                }
+
+                // on every death of Archavon, Emalon and Koralon check our achievement
+                DoCastSpellOnPlayers(SPELL_EARTH_WIND_FIRE_ACHIEVEMENT_CHECK);
+
+                return true;
+            }
+
+            bool CheckAchievementCriteriaMeet(uint32 criteria_id, Player const* /*source*/, Unit const* /*target*/, uint32 /*miscvalue1*/)
+            {
+                switch (criteria_id)
+                {
+                    case CRITERIA_EARTH_WIND_FIRE_10:
+                    case CRITERIA_EARTH_WIND_FIRE_25:
+                        if (ArchavonDeath && EmalonDeath && KoralonDeath)
+                        {
+                            // instance difficulty check is already done in db (achievement_criteria_data)
+                            // int() for Visual Studio, compile errors with abs(time_t)
+                            return (abs(int(ArchavonDeath-EmalonDeath)) < MINUTE && \
+                                abs(int(EmalonDeath-KoralonDeath)) < MINUTE && \
+                                abs(int(KoralonDeath-ArchavonDeath)) < MINUTE);
+                        }
+                        break;
+                    default:
+                        break;
+                }
+
+                return false;
+            }
+
         private:
             uint64 EmalonGUID;
             uint64 ToravonGUID;
+            time_t ArchavonDeath;
+            time_t EmalonDeath;
+            time_t KoralonDeath;
         };
 
         InstanceScript* GetInstanceScript(InstanceMap* map) const

src/server/scripts/Northrend/VaultOfArchavon/vault_of_archavon.h

@@ -36,4 +36,15 @@ enum Data
 
 #define MAX_ENCOUNTER 4
 
+enum AchievementCriteriaIds
+{
+    CRITERIA_EARTH_WIND_FIRE_10 = 12018,
+    CRITERIA_EARTH_WIND_FIRE_25 = 12019,
+};
+
+enum AchievementSpells
+{
+    SPELL_EARTH_WIND_FIRE_ACHIEVEMENT_CHECK = 68308,
+};
+
 #endif