Core/Scripts Implement Pit of Saron Cavern event

(cherry picked from commit b459c6607f)

Rename 2016_99_99_99_world.sql to 2016_08_25_01_world.sql
(cherry picked from commit 05df3cc988)

src/server/scripts/Northrend/FrozenHalls/PitOfSaron/instance_pit_of_saron.cpp

@@ -45,6 +45,8 @@ class instance_pit_of_saron : public InstanceMapScript
                 SetBossNumber(EncounterCount);
                 LoadDoorData(Doors);
                 _teamInInstance = 0;
+                _cavernActive = 0;
+                _shardsHit = 0;
             }
 
             void OnPlayerEnter(Player* player) override
@@ -153,6 +155,9 @@ class instance_pit_of_saron : public InstanceMapScript
                         if (_teamInInstance == ALLIANCE)
                             creature->UpdateEntry(NPC_MARTIN_VICTUS_2);
                         break;
+                    case NPC_CAVERN_EVENT_TRIGGER:
+                        _cavernstriggersVector.push_back(creature->GetGUID());
+                        break;
                     default:
                         break;
                 }
@@ -224,6 +229,10 @@ class instance_pit_of_saron : public InstanceMapScript
                 {
                     case DATA_TEAM_IN_INSTANCE:
                         return _teamInInstance;
+                    case DATA_ICE_SHARDS_HIT:
+                        return _shardsHit;
+                    case DATA_CAVERN_ACTIVE:
+                        return _cavernActive;
                     default:
                         break;
                 }
@@ -231,6 +240,27 @@ class instance_pit_of_saron : public InstanceMapScript
                 return 0;
             }
 
+            void SetData(uint32 type, uint32 data) override
+            {
+                switch (type)
+                {
+                    case DATA_ICE_SHARDS_HIT:
+                        _shardsHit = data;
+                        break;
+                    case DATA_CAVERN_ACTIVE:
+                        if (data)
+                        {
+                            _cavernActive = data;
+                            HandleCavernEventTrigger(true);
+                        }
+                        else
+                            HandleCavernEventTrigger(false);
+                        break;
+                    default:
+                        break;
+                }
+            }
+
             ObjectGuid GetGuidData(uint32 type) const override
             {
                 switch (type)
@@ -258,6 +288,18 @@ class instance_pit_of_saron : public InstanceMapScript
                 return ObjectGuid::Empty;
             }
 
+            void HandleCavernEventTrigger(bool activate)
+            {
+                for (ObjectGuid guid : _cavernstriggersVector)
+                    if (Creature* trigger = instance->GetCreature(guid))
+                    {
+                        if (activate)
+                            trigger->m_Events.AddEvent(new ScheduledIcicleSummons(trigger), trigger->m_Events.CalculateTime(1000));
+                        else
+                            trigger->m_Events.KillAllEvents(false);
+                    }
+            }
+
         private:
             ObjectGuid _garfrostGUID;
             ObjectGuid _krickGUID;
@@ -268,8 +310,11 @@ class instance_pit_of_saron : public InstanceMapScript
             ObjectGuid _tyrannusEventGUID;
             ObjectGuid _jainaOrSylvanas1GUID;
             ObjectGuid _jainaOrSylvanas2GUID;
+            GuidVector _cavernstriggersVector;
 
             uint32 _teamInInstance;
+            uint8 _shardsHit;
+            uint8 _cavernActive;
         };
 
         InstanceScript* GetInstanceScript(InstanceMap* map) const override

src/server/scripts/Northrend/FrozenHalls/PitOfSaron/pit_of_saron.cpp

@@ -20,7 +20,9 @@
 #include "SpellScript.h"
 #include "SpellAuraEffects.h"
 #include "pit_of_saron.h"
+#include "PassiveAI.h"
 #include "Vehicle.h"
+#include "Player.h"
 
 enum Spells
 {
@@ -246,10 +248,146 @@ class spell_trash_npc_glacial_strike : public SpellScriptLoader
         }
 };
 
+class npc_pit_of_saron_icicle : public CreatureScript
+{
+    public:
+        npc_pit_of_saron_icicle() : CreatureScript("npc_pit_of_saron_icicle") { }
+
+        struct npc_pit_of_saron_icicleAI : public PassiveAI
+        {
+            npc_pit_of_saron_icicleAI(Creature* creature) : PassiveAI(creature)
+            {
+                me->SetDisplayId(me->GetCreatureTemplate()->Modelid1);
+            }
+
+            void IsSummonedBy(Unit* summoner) override
+            {
+                _summonerGUID = summoner->GetGUID();
+
+                _scheduler.Schedule(Milliseconds(3650), [this](TaskContext /*context*/)
+                {
+                    DoCastSelf(SPELL_ICICLE_FALL_TRIGGER, true);
+                    DoCastSelf(SPELL_ICICLE_FALL_VISUAL);
+                    
+                    if (Unit* caster = ObjectAccessor::GetUnit(*me, _summonerGUID))
+                        caster->RemoveDynObject(SPELL_ICICLE_SUMMON);
+                });
+            }
+
+            void UpdateAI(uint32 diff) override
+            {
+                _scheduler.Update(diff);
+            }
+
+        private:
+            TaskScheduler _scheduler;
+            ObjectGuid _summonerGUID;
+        };
+
+        CreatureAI* GetAI(Creature* creature) const override
+        {
+            return GetPitOfSaronAI<npc_pit_of_saron_icicleAI>(creature);
+        }
+};
+
+
+class spell_pos_ice_shards : public SpellScriptLoader
+{
+    public:
+        spell_pos_ice_shards() : SpellScriptLoader("spell_pos_ice_shards") { }
+
+        class spell_pos_ice_shards_SpellScript : public SpellScript
+        {
+            PrepareSpellScript(spell_pos_ice_shards_SpellScript);
+
+            bool Load() override
+            {
+                // This script should execute only in Pit of Saron
+                if (InstanceMap* instance = GetCaster()->GetMap()->ToInstanceMap())
+                    if (instance->GetInstanceScript())
+                        if (instance->GetScriptId() == sObjectMgr->GetScriptId(PoSScriptName))
+                            return true;
+
+                return false;
+            }
+
+            void HandleScriptEffect(SpellEffIndex /*effIndex*/)
+            {
+                if (GetHitPlayer())
+                    GetCaster()->GetInstanceScript()->SetData(DATA_ICE_SHARDS_HIT, 1);
+            }
+
+            void Register() override
+            {
+                OnEffectHitTarget += SpellEffectFn(spell_pos_ice_shards_SpellScript::HandleScriptEffect, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
+            }
+        };
+
+        SpellScript* GetSpellScript() const override
+        {
+            return new spell_pos_ice_shards_SpellScript();
+        }
+};
+
+enum TyrannusEventCavernEmote
+{
+    SAY_TYRANNUS_CAVERN_ENTRANCE = 3
+};
+
+class at_pit_cavern_entrance : public AreaTriggerScript
+{
+    public:
+        at_pit_cavern_entrance() : AreaTriggerScript("at_pit_cavern_entrance") { }
+
+        bool OnTrigger(Player* player, AreaTriggerEntry const* /*areaTrigger*/, bool entered) override
+        {
+            if (!entered)
+                return true;
+
+            if (InstanceScript* instance = player->GetInstanceScript())
+            {
+                if (instance->GetData(DATA_CAVERN_ACTIVE))
+                    return true;
+
+                instance->SetData(DATA_CAVERN_ACTIVE, 1);
+
+                if (Creature* tyrannus = ObjectAccessor::GetCreature(*player, instance->GetGuidData(DATA_TYRANNUS_EVENT)))
+                    tyrannus->AI()->Talk(SAY_TYRANNUS_CAVERN_ENTRANCE);
+            }
+            return true;
+        }
+};
+
+class at_pit_cavern_end : public AreaTriggerScript
+{
+public:
+    at_pit_cavern_end() : AreaTriggerScript("at_pit_cavern_end") { }
+
+    bool OnTrigger(Player* player, AreaTriggerEntry const* /*areaTrigger*/, bool entered) override
+    {
+        if (!entered)
+            return true;
+
+        if (InstanceScript* instance = player->GetInstanceScript())
+        {
+            instance->SetData(DATA_CAVERN_ACTIVE, 0);
+
+            if (!instance->GetData(DATA_ICE_SHARDS_HIT))
+                instance->DoUpdateCriteria(CRITERIA_TYPE_BE_SPELL_TARGET, SPELL_DONT_LOOK_UP_ACHIEV_CREDIT, 0, player);
+        }
+
+        return true;
+    }
+};
+
 void AddSC_pit_of_saron()
 {
     new npc_ymirjar_flamebearer();
     new npc_iceborn_protodrake();
     new npc_geist_ambusher();
+    new npc_pit_of_saron_icicle();
     new spell_trash_npc_glacial_strike();
+    new spell_pos_ice_shards();
+    new at_pit_cavern_entrance();
+    new at_pit_cavern_end();
 }

src/server/scripts/Northrend/FrozenHalls/PitOfSaron/pit_of_saron.h

@@ -36,7 +36,9 @@ enum POSDataTypes
     DATA_JAINA_SYLVANAS_1   = 5,    // GUID of either Jaina or Sylvanas part 1, depending on team, as it's the same spawn.
     DATA_JAINA_SYLVANAS_2   = 6,    // GUID of either Jaina or Sylvanas part 2, depending on team, as it's the same spawn.
     DATA_TYRANNUS_EVENT     = 7,
-    DATA_TEAM_IN_INSTANCE   = 8
+    DATA_TEAM_IN_INSTANCE   = 8,
+    DATA_ICE_SHARDS_HIT     = 9,
+    DATA_CAVERN_ACTIVE      = 10
 };
 
 enum POSCreatureIds
@@ -86,7 +88,8 @@ enum POSCreatureIds
     NPC_FORGEMASTER_STALKER                     = 36495,
     NPC_EXPLODING_ORB                           = 36610,
     NPC_YMIRJAR_DEATHBRINGER                    = 36892,
-    NPC_ICY_BLAST                               = 36731
+    NPC_ICY_BLAST                               = 36731,
+    NPC_CAVERN_EVENT_TRIGGER                    = 32780
 };
 
 enum POSGameObjectIds
@@ -96,6 +99,36 @@ enum POSGameObjectIds
     GO_HALLS_OF_REFLECTION_PORTCULLIS           = 201848
 };
 
+enum SpellsIcicle
+{
+    SPELL_ICICLE_SUMMON                 = 69424,
+    SPELL_ICICLE_FALL_TRIGGER           = 69426,
+    SPELL_ICICLE_FALL_VISUAL            = 69428,
+    SPELL_DONT_LOOK_UP_ACHIEV_CREDIT    = 72845
+};
+
+class ScheduledIcicleSummons : public BasicEvent
+{
+    public:
+        ScheduledIcicleSummons(Creature* trigger) : _trigger(trigger) { }
+
+        bool Execute(uint64 /*time*/, uint32 /*diff*/) override
+        {
+            if (roll_chance_i(12))
+            {
+                _trigger->CastSpell(_trigger, SPELL_ICICLE_SUMMON, true);
+                _trigger->m_Events.AddEvent(new ScheduledIcicleSummons(_trigger), _trigger->m_Events.CalculateTime(urand(20000, 35000)));
+            }
+            else
+                _trigger->m_Events. AddEvent(new ScheduledIcicleSummons(_trigger), _trigger->m_Events.CalculateTime(urand(1000,20000)));
+
+            return true;
+        }
+
+    private:
+        Creature* _trigger;
+};
+
 template<class AI>
 AI* GetPitOfSaronAI(Creature* creature)
 {