Implement Four-Horsemen achievements (requires DB Data).

Fixes issue #1107.

--HG--
branch : trunk

src/game/InstanceData.cpp

@@ -322,6 +322,17 @@ void InstanceData::DoCompleteAchievement(uint32 achievement)
                 pPlayer->CompletedAchievement(AE);
 }
 
+// Update Achievement Criteria for all players in instance
+void InstanceData::DoUpdateAchievementCriteria(AchievementCriteriaTypes type, uint32 miscvalue1, uint32 miscvalue2, Unit *unit, uint32 time)
+{
+    Map::PlayerList const &PlayerList = instance->GetPlayers();
+
+    if (!PlayerList.isEmpty())
+        for (Map::PlayerList::const_iterator i = PlayerList.begin(); i != PlayerList.end(); ++i)
+            if (Player *pPlayer = i->getSource())
+                pPlayer->UpdateAchievementCriteria(type, miscvalue1, miscvalue2, unit, time);
+}
+
 // Remove Auras due to Spell on all players in instance
 void InstanceData::DoRemoveAurasDueToSpellOnPlayers(uint32 spell)
 {

src/game/InstanceData.h

@@ -158,6 +158,9 @@ class InstanceData : public ZoneScript
         // Complete Achievement for all players in instance
         void DoCompleteAchievement(uint32 achievement);
 
+        // Update Achievement Criteria for all players in instance
+        void DoUpdateAchievementCriteria(AchievementCriteriaTypes type, uint32 miscvalue1=0, uint32 miscvalue2=0, Unit *unit=NULL, uint32 time=0);
+
         // Remove Auras due to Spell on all players in instance
         void DoRemoveAurasDueToSpellOnPlayers(uint32 spell);
 

src/scripts/northrend/naxxramas/boss_four_horsemen.cpp

@@ -104,6 +104,9 @@ struct boss_four_horsemenAI : public BossAI
         if (!encounterActionReset)
             DoEncounterAction(NULL, false, true, false);
 
+        if (instance)
+            instance->SetData(DATA_HORSEMEN0 + id, NOT_STARTED); 
+
         me->SetReactState(REACT_AGGRESSIVE);
         uiEventStarterGUID = 0;
         nextWP = 0;
@@ -274,10 +277,18 @@ struct boss_four_horsemenAI : public BossAI
     {
         events.Reset();
         summons.DespawnAll();
+
+        if (instance)
+            instance->SetData(DATA_HORSEMEN0 + id, DONE); 
+
         if (instance && DoEncounterAction(NULL, false, false, true))
         {
             instance->SetBossState(BOSS_HORSEMEN, DONE);
             instance->SaveToDB();
+
+            // Achievements related to the 4-horsemen are given through spell 59450 which does not exist.
+            // There is thus no way it can be given by casting the spell on the players.
+            instance->DoUpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_BE_SPELL_TARGET, 59450);
         }
 
         DoScriptText(SAY_DEATH[id], me);

src/scripts/northrend/naxxramas/instance_naxxramas.cpp

@@ -104,7 +104,7 @@ inline uint32 GetEruptionSection(float x, float y)
 struct instance_naxxramas : public InstanceData
 {
     instance_naxxramas(Map* pMap) : InstanceData(pMap)
-        , Sapphiron(NULL), pGothikGate(NULL), HorsemenChest(NULL), HorsemenNum(0)
+        , Sapphiron(NULL), pGothikGate(NULL), HorsemenChest(NULL)
     {
         SetBossNumber(MAX_BOSS_NUMBER);
         LoadDoorData(doorData);
@@ -114,7 +114,6 @@ struct instance_naxxramas : public InstanceData
     std::set<GameObject*> HeiganEruption[4];
     GameObject* pGothikGate, *HorsemenChest;
     Creature* Sapphiron;
-    uint32 HorsemenNum;
     uint64 uiFaerlina;
     uint64 uiThane;
     uint64 uiLady;
@@ -129,6 +128,9 @@ struct instance_naxxramas : public InstanceData
     uint64 uiKelthuzadTrigger;
     uint64 uiPortals[4];    
 
+    time_t minHorsemenDiedTime;
+    time_t maxHorsemenDiedTime;
+
     void OnCreatureCreate(Creature* pCreature, bool add)
     {
         switch(pCreature->GetEntry())
@@ -187,6 +189,26 @@ struct instance_naxxramas : public InstanceData
                 if (pGothikGate)
                     pGothikGate->SetGoState(GOState(value));
                 break;
+
+            case DATA_HORSEMEN0:
+            case DATA_HORSEMEN1:
+            case DATA_HORSEMEN2:
+            case DATA_HORSEMEN3:
+                if (value == NOT_STARTED)
+                {
+                    minHorsemenDiedTime = 0;
+                    maxHorsemenDiedTime = 0;
+                }
+                else if (value == DONE)
+                {
+                    time_t now = time(NULL);
+
+                    if (minHorsemenDiedTime == 0)
+                        minHorsemenDiedTime = now;
+                    
+                    maxHorsemenDiedTime = now;
+                }
+                break;
         }
     }
 
@@ -251,6 +273,28 @@ struct instance_naxxramas : public InstanceData
             }
         }
     }
+
+    bool CheckAchievementCriteriaMeet(uint32 criteria_id, Player const* source, Unit const* target = NULL, uint32 miscvalue1 = 0)
+    {
+        switch(criteria_id)
+        {
+            case 7600:  // Criteria for achievement 2176: And They Would All Go Down Together 15sec of each other 10-man
+                if (Difficulty(instance->GetSpawnMode()) == RAID_DIFFICULTY_10MAN_NORMAL && (maxHorsemenDiedTime - minHorsemenDiedTime) < 15)
+                    return true;
+                return false;
+            case 7601:  // Criteria for achievement 2177: And They Would All Go Down Together 15sec of each other 25-man
+                if (Difficulty(instance->GetSpawnMode()) == RAID_DIFFICULTY_25MAN_NORMAL && (maxHorsemenDiedTime - minHorsemenDiedTime) < 15)
+                    return true;
+                return false; 
+            case 13233: // Criteria for achievement 2186: The Immortal (25-man)
+                // TODO.
+                break;
+            case 13237: // Criteria for achievement 2187: The Undying (10-man)
+                // TODO.
+                break;
+        }
+        return false;
+    }
 };
 
 InstanceData* GetInstanceData_instance_naxxramas(Map* pMap)

src/scripts/northrend/naxxramas/naxxramas.h

@@ -44,6 +44,11 @@ enum Data
     DATA_HEIGAN_ERUPT,
     DATA_GOTHIK_GATE,
     DATA_SAPPHIRON_BIRTH,
+
+    DATA_HORSEMEN0,
+    DATA_HORSEMEN1,
+    DATA_HORSEMEN2,
+    DATA_HORSEMEN3,
 };
 
 enum Data64