Merge pull request #9280 from horn/summons

Core/Summons: Implement summon groups system to be able to summon multiple NPCs at once without need of hardcoding the positions. Almost all hardcoded positions can now be moved to DB.

7 files changed, 186 insertions, 0 deletions

diff --git a/src/server/game/Entities/Creature/TemporarySummon.h b/src/server/game/Entities/Creature/TemporarySummon.h
index a96d9ab33d0..dc3347c5b4f 100644
--- a/src/server/game/Entities/Creature/TemporarySummon.h
+++ b/src/server/game/Entities/Creature/TemporarySummon.h
@@ -21,6 +21,22 @@
 
 #include "Creature.h"
 
+enum SummonerType
+{
+    SUMMONER_TYPE_CREATURE      = 0,
+    SUMMONER_TYPE_GAMEOBJECT    = 1,
+    SUMMONER_TYPE_MAP           = 2
+};
+
+/// Stores data for temp summons
+struct TempSummonData
+{
+    uint32 entry;        ///< Entry of summoned creature
+    Position pos;        ///< Position, where should be creature spawned
+    TempSummonType type; ///< Summon type, see TempSummonType for available types
+    uint32 time;         ///< Despawn time, usable only with certain temp summon types
+};
+
 class TempSummon : public Creature
 {
     public:
diff --git a/src/server/game/Entities/Object/Object.cpp b/src/server/game/Entities/Object/Object.cpp
index 893d4c1ea69..79bf656c318 100644
--- a/src/server/game/Entities/Object/Object.cpp
+++ b/src/server/game/Entities/Object/Object.cpp
@@ -2315,6 +2315,24 @@ TempSummon* Map::SummonCreature(uint32 entry, Position const& pos, SummonPropert
     return summon;
 }
 
+/**
+* Summons group of creatures.
+*
+* @param group Id of group to summon.
+* @param list  List to store pointers to summoned creatures.
+*/
+
+void Map::SummonCreatureGroup(uint8 group, std::list<TempSummon*>& list)
+{
+    std::vector<TempSummonData> const* data = sObjectMgr->GetSummonGroup(GetId(), SUMMONER_TYPE_MAP, group);
+    if (!data)
+        return;
+
+    for (std::vector<TempSummonData>::const_iterator itr = data->begin(); itr != data->end(); ++itr)
+        if (TempSummon* summon = SummonCreature(itr->entry, itr->pos, NULL, itr->time))
+            list.push_back(summon);
+}
+
 void WorldObject::SetZoneScript()
 {
     if (Map* map = FindMap())
@@ -2394,6 +2412,25 @@ Creature* WorldObject::SummonTrigger(float x, float y, float z, float ang, uint3
     return summon;
 }
 
+/**
+* Summons group of creatures. Should be called only by instances of Creature and GameObject classes.
+*
+* @param group Id of group to summon.
+* @param list  List to store pointers to summoned creatures.
+*/
+void WorldObject::SummonCreatureGroup(uint8 group, std::list<TempSummon*>& list)
+{
+    ASSERT((GetTypeId() == TYPEID_GAMEOBJECT || GetTypeId() == TYPEID_UNIT) && "Only GOs and creatures can summon npc groups!");
+
+    std::vector<TempSummonData> const* data = sObjectMgr->GetSummonGroup(GetEntry(), GetTypeId() == TYPEID_GAMEOBJECT ? SUMMONER_TYPE_GAMEOBJECT : SUMMONER_TYPE_CREATURE, group);
+    if (!data)
+        return;
+
+    for (std::vector<TempSummonData>::const_iterator itr = data->begin(); itr != data->end(); ++itr)
+        if (TempSummon* summon = SummonCreature(itr->entry, itr->pos, itr->type, itr->time))
+            list.push_back(summon);
+}
+
 Creature* WorldObject::FindNearestCreature(uint32 entry, float range, bool alive) const
 {
     Creature* creature = NULL;
diff --git a/src/server/game/Entities/Object/Object.h b/src/server/game/Entities/Object/Object.h
index ae3d545b7d7..ae788621368 100644
--- a/src/server/game/Entities/Object/Object.h
+++ b/src/server/game/Entities/Object/Object.h
@@ -793,6 +793,7 @@ class WorldObject : public Object, public WorldLocation
         }
         GameObject* SummonGameObject(uint32 entry, float x, float y, float z, float ang, float rotation0, float rotation1, float rotation2, float rotation3, uint32 respawnTime);
         Creature*   SummonTrigger(float x, float y, float z, float ang, uint32 dur, CreatureAI* (*GetAI)(Creature*) = NULL);
+        void SummonCreatureGroup(uint8 group, std::list<TempSummon*>& list);
 
         Creature*   FindNearestCreature(uint32 entry, float range, bool alive = true) const;
         GameObject* FindNearestGameObject(uint32 entry, float range) const;
diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 0e657c5ea9e..222331c48f8 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -1421,6 +1421,92 @@ bool ObjectMgr::SetCreatureLinkedRespawn(uint32 guidLow, uint32 linkedGuidLow)
     return true;
 }
 
+void ObjectMgr::LoadTempSummons()
+{
+    uint32 oldMSTime = getMSTime();
+
+    //                                               0           1             2        3      4           5           6           7            8           9
+    QueryResult result = WorldDatabase.Query("SELECT summonerId, summonerType, groupId, entry, position_x, position_y, position_z, orientation, summonType, summonTime FROM creature_summon_groups");
+
+    if (!result)
+    {
+        sLog->outInfo(LOG_FILTER_SERVER_LOADING, ">> Loaded 0 temp summons. DB table `creature_summon_groups` is empty.");
+        return;
+    }
+
+    uint32 count = 0;
+    do
+    {
+        Field* fields = result->Fetch();
+
+        uint32 summonerId               = fields[0].GetUInt32();
+        SummonerType summonerType       = SummonerType(fields[1].GetUInt8());
+        uint8 group                     = fields[2].GetUInt8();
+
+        switch (summonerType)
+        {
+            case SUMMONER_TYPE_CREATURE:
+                if (!GetCreatureTemplate(summonerId))
+                {
+                    sLog->outError(LOG_FILTER_SQL, "Table `creature_summon_groups` has summoner with non existing entry %u for creature summoner type, skipped.", summonerId);
+                    continue;
+                }
+                break;
+            case SUMMONER_TYPE_GAMEOBJECT:
+                if (!GetGameObjectTemplate(summonerId))
+                {
+                    sLog->outError(LOG_FILTER_SQL, "Table `creature_summon_groups` has summoner with non existing entry %u for gameobject summoner type, skipped.", summonerId);
+                    continue;
+                }
+                break;
+            case SUMMONER_TYPE_MAP:
+                if (!sMapStore.LookupEntry(summonerId))
+                {
+                    sLog->outError(LOG_FILTER_SQL, "Table `creature_summon_groups` has summoner with non existing entry %u for map summoner type, skipped.", summonerId);
+                    continue;
+                }
+                break;
+            default:
+                sLog->outError(LOG_FILTER_SQL, "Table `creature_summon_groups` has unhandled summoner type %u for summoner %u, skipped.", summonerType, summonerId);
+                continue;
+        }
+
+        TempSummonData data;
+        data.entry                      = fields[3].GetUInt32();
+
+        if (!GetCreatureTemplate(data.entry))
+        {
+            sLog->outError(LOG_FILTER_SQL, "Table `creature_summon_groups` has creature in group [Summoner ID: %u, Summoner Type: %u, Group ID: %u] with non existing creature entry %u, skipped.", summonerId, summonerType, group, data.entry);
+            continue;
+        }
+
+        float posX                      = fields[4].GetFloat();
+        float posY                      = fields[5].GetFloat();
+        float posZ                      = fields[6].GetFloat();
+        float orientation               = fields[7].GetFloat();
+
+        data.pos.Relocate(posX, posY, posZ, orientation);
+
+        data.type                       = TempSummonType(fields[8].GetUInt8());
+
+        if (data.type > TEMPSUMMON_MANUAL_DESPAWN)
+        {
+            sLog->outError(LOG_FILTER_SQL, "Table `creature_summon_groups` has unhandled temp summon type %u in group [Summoner ID: %u, Summoner Type: %u, Group ID: %u] for creature entry %u, skipped.", data.type, summonerId, summonerType, group, data.entry);
+            continue;
+        }
+
+        data.time                       = fields[9].GetUInt32();
+
+        TempSummonGroupKey key(summonerId, summonerType, group);
+        _tempSummonDataStore[key].push_back(data);
+
+        ++count;
+
+    } while (result->NextRow());
+
+    sLog->outInfo(LOG_FILTER_SERVER_LOADING, ">> Loaded %u temp summons in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
+}
+
 void ObjectMgr::LoadCreatures()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/Globals/ObjectMgr.h b/src/server/game/Globals/ObjectMgr.h
index 88496fa9d6e..12df01fc350 100644
--- a/src/server/game/Globals/ObjectMgr.h
+++ b/src/server/game/Globals/ObjectMgr.h
@@ -25,6 +25,7 @@
 #include "Creature.h"
 #include "DynamicObject.h"
 #include "GameObject.h"
+#include "TemporarySummon.h"
 #include "Corpse.h"
 #include "QuestDef.h"
 #include "ItemPrototype.h"
@@ -416,9 +417,29 @@ struct TrinityStringLocale
     StringVector Content;
 };
 
+/// Key for storing temp summon data in TempSummonDataContainer
+struct TempSummonGroupKey
+{
+    TempSummonGroupKey(uint32 summonerEntry, SummonerType summonerType, uint8 group)
+        : _summonerEntry(summonerEntry), _summonerType(summonerType), _summonGroup(group)
+    {
+    }
+   
+    bool operator<(TempSummonGroupKey const& rhs) const
+    {
+        return memcmp(this, &rhs, sizeof(TempSummonGroupKey)) < 0;
+    }
+
+private:
+    uint32 _summonerEntry;      ///< Summoner's entry
+    SummonerType _summonerType; ///< Summoner's type, see SummonerType for available types
+    uint8 _summonGroup;         ///< Summon's group id
+};
+
 typedef std::map<uint64, uint64> LinkedRespawnContainer;
 typedef UNORDERED_MAP<uint32, CreatureData> CreatureDataContainer;
 typedef UNORDERED_MAP<uint32, GameObjectData> GameObjectDataContainer;
+typedef std::map<TempSummonGroupKey, std::vector<TempSummonData> > TempSummonDataContainer;
 typedef UNORDERED_MAP<uint32, CreatureLocale> CreatureLocaleContainer;
 typedef UNORDERED_MAP<uint32, GameObjectLocale> GameObjectLocaleContainer;
 typedef UNORDERED_MAP<uint32, ItemLocale> ItemLocaleContainer;
@@ -876,6 +897,7 @@ class ObjectMgr
         void LoadCreatureTemplates();
         void LoadCreatureTemplateAddons();
         void CheckCreatureTemplate(CreatureTemplate const* cInfo);
+        void LoadTempSummons();
         void LoadCreatures();
         void LoadLinkedRespawn();
         bool SetCreatureLinkedRespawn(uint32 guid, uint32 linkedGuid);
@@ -981,6 +1003,24 @@ class ObjectMgr
             return _mapObjectGuidsStore[MAKE_PAIR32(mapid, spawnMode)][cell_id];
         }
 
+        /**
+         * Gets temp summon data for all creatures of specified group.
+         *
+         * @param summonerId   Summoner's entry.
+         * @param summonerType Summoner's type, see SummonerType for available types.
+         * @param group        Id of required group.
+         *
+         * @return null if group was not found, otherwise reference to the creature group data
+         */
+        std::vector<TempSummonData> const* GetSummonGroup(uint32 summonerId, SummonerType summonerType, uint8 group) const
+        {
+            TempSummonDataContainer::const_iterator itr = _tempSummonDataStore.find(TempSummonGroupKey(summonerId, summonerType, group));
+            if (itr != _tempSummonDataStore.end())
+                return &itr->second;
+                   
+            return NULL;
+        }
+
         CreatureData const* GetCreatureData(uint32 guid) const
         {
             CreatureDataContainer::const_iterator itr = _creatureDataStore.find(guid);
@@ -1294,6 +1334,8 @@ class ObjectMgr
         GameObjectDataContainer _gameObjectDataStore;
         GameObjectLocaleContainer _gameObjectLocaleStore;
         GameObjectTemplateContainer _gameObjectTemplateStore;
+        /// Stores temp summon data grouped by summoner's entry, summoner's type and group id
+        TempSummonDataContainer _tempSummonDataStore;
 
         ItemTemplateContainer _itemTemplateStore;
         ItemLocaleContainer _itemLocaleStore;
diff --git a/src/server/game/Maps/Map.h b/src/server/game/Maps/Map.h
index 6bf7edf3a2f..cc47f053827 100644
--- a/src/server/game/Maps/Map.h
+++ b/src/server/game/Maps/Map.h
@@ -435,6 +435,7 @@ class Map : public GridRefManager<NGridType>
         void UpdateIteratorBack(Player* player);
 
         TempSummon* SummonCreature(uint32 entry, Position const& pos, SummonPropertiesEntry const* properties = NULL, uint32 duration = 0, Unit* summoner = NULL, uint32 spellId = 0, uint32 vehId = 0);
+        void SummonCreatureGroup(uint8 group, std::list<TempSummon*>& list);
         Creature* GetCreature(uint64 guid);
         GameObject* GetGameObject(uint64 guid);
         DynamicObject* GetDynamicObject(uint64 guid);
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index 29ecdbb033e..ad2cc7699b2 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -1432,6 +1432,9 @@ void World::SetInitialWorldSettings()
     sLog->outInfo(LOG_FILTER_SERVER_LOADING, "Loading Creature Data...");
     sObjectMgr->LoadCreatures();
 
+    sLog->outInfo(LOG_FILTER_SERVER_LOADING, "Loading Temporary Summon Data...");
+    sObjectMgr->LoadTempSummons();                               // must be after LoadCreatureTemplates() and LoadGameObjectTemplates()
+
     sLog->outInfo(LOG_FILTER_SERVER_LOADING, "Loading pet levelup spells...");
     sSpellMgr->LoadPetLevelupSpellMap();