C++ SpawnPool函数代码示例

// Call to update the pool when a gameobject/creature part of pool [pool_id] is ready to respawn
// Here we cache only the creature/gameobject whose guid is passed as parameter
// Then the spawn pool call will use this cache to decide
void PoolHandler::UpdatePool(uint16 pool_id, uint32 guid, uint32 type)
{
    if (uint16 motherpoolid = IsPartOfAPool(pool_id, 0))
        SpawnPool(motherpoolid, 0, 0);
    else
        SpawnPool(pool_id, guid, type);
}

// The initialize method will spawn all pools not in an event and not in another pool, this is why there is 2 left joins with 2 null checks
void PoolHandler::Initialize()
{
    QueryResult *result = WorldDatabase.Query("SELECT DISTINCT pool_template.entry FROM pool_template LEFT JOIN game_event_pool ON pool_template.entry=game_event_pool.pool_entry LEFT JOIN pool_pool ON pool_template.entry=pool_pool.pool_id WHERE game_event_pool.pool_entry IS NULL AND pool_pool.pool_id IS NULL");
    uint32 count=0;
    if (result)
    {
        do
        {
            Field *fields = result->Fetch();
            uint16 pool_entry = fields[0].GetUInt16();
            if (!CheckPool(pool_entry))
            {
                sLog.outErrorDb("Pool Id (%u) has all creatures or gameobjects with explicit chance sum <>100 and no equal chance defined. The pool system cannot pick one to spawn.", pool_entry);
                continue;
            }
            SpawnPool(pool_entry, 0, 0);
            SpawnPool(pool_entry, 0, TYPEID_GAMEOBJECT);
            SpawnPool(pool_entry, 0, TYPEID_UNIT);
            count++;
        } while (result->NextRow());
        delete result;
    }

    sLog.outBasic("Pool handling system initialized, %u pools spawned.", count);
    m_IsPoolSystemStarted = true;
}

// The initialize method will spawn all pools not in an event and not in another pool, this is why there is 2 left joins with 2 null checks
void PoolMgr::Initialize ()
{
    QueryResult result = WorldDatabase.Query("SELECT DISTINCT pool_template.entry, pool_pool.pool_id, pool_pool.mother_pool FROM pool_template LEFT JOIN game_event_pool ON pool_template.entry=game_event_pool.pool_entry LEFT JOIN pool_pool ON pool_template.entry=pool_pool.pool_id WHERE game_event_pool.pool_entry IS NULL");
    uint32 count = 0;
    if (result)
    {
        do
        {
            Field *fields = result->Fetch();
            uint32 pool_entry = fields[0].GetUInt32();
            uint32 pool_pool_id = fields[1].GetUInt32();

            if (!CheckPool(pool_entry))
            {
                if (pool_pool_id)
                    // The pool is a child pool in pool_pool table. Ideally we should remove it from the pool handler to ensure it never gets spawned,
                    // however that could recursively invalidate entire chain of mother pools. It can be done in the future but for now we'll do nothing.
                    sLog->outErrorDb("Pool Id %u has no equal chance pooled entites defined and explicit chance sum is not 100. This broken pool is a child pool of Id %u and cannot be safely removed.", pool_entry, fields[2].GetUInt32());
                else
                    sLog->outErrorDb("Pool Id %u has no equal chance pooled entites defined and explicit chance sum is not 100. The pool will not be spawned.", pool_entry);
                continue;
            }

            // Don't spawn child pools, they are spawned recursively by their parent pools
            if (!pool_pool_id)
            {
                SpawnPool(pool_entry);
                count++;
            }
        }
        while (result->NextRow());
    }

    sLog->outBasic("Pool handling system initialized, %u pools spawned.", count);
}

// Call to update the pool when a gameobject/creature part of pool [pool_id] is ready to respawn
// Here we cache only the creature/gameobject whose guid is passed as parameter
// Then the spawn pool call will use this cache to decide
void PoolHandler::UpdatePool(uint16 pool_id, uint32 guid, uint32 type)
{
    uint16 motherpoolid = IsPartOfAPool(pool_id, 0);

    if (motherpoolid)
        mPoolPoolGroups[motherpoolid].DespawnObject(pool_id);
    else if (type == TYPEID_GAMEOBJECT && !mPoolGameobjectGroups[pool_id].isEmpty())
        mPoolGameobjectGroups[pool_id].DespawnObject(guid);
    else if (type != TYPEID_GAMEOBJECT && !mPoolCreatureGroups[pool_id].isEmpty())
        mPoolCreatureGroups[pool_id].DespawnObject(guid);

    if (motherpoolid)
        SpawnPool(motherpoolid, true);
    else
        SpawnPool(pool_id, true);
}

// The initialize method will spawn all pools not in an event and not in another pool
void PoolManager::Initialize()
{
    uint32 count = 0;

    for(uint16 pool_entry = 0; pool_entry < mPoolTemplate.size(); ++pool_entry)
    {
        if (mPoolTemplate[pool_entry].AutoSpawn)
        {
            if (!CheckPool(pool_entry))
            {
                sLog.outErrorDb("Pool Id (%u) has all creatures or gameobjects with explicit chance sum <>100 and no equal chance defined. The pool system cannot pick one to spawn.", pool_entry);
                continue;
            }
            SpawnPool(pool_entry, true);
            count++;
        }
    }

    BASIC_LOG("Pool handling system initialized, %u pools spawned.", count);
}

void PoolManager::InitSpawnPool(MapPersistentState& mapState, uint16 pool_id)
{
    // spawn pool for expected map or for not initialized shared pools state for non-instanceable maps
    if (mPoolTemplate[pool_id].CanBeSpawnedAtMap(mapState.GetMapEntry()))
        SpawnPool(mapState, pool_id, true);
}

//.........这里部分代码省略.........
                }

                if (pool_id > max_pool_id)
                {
                    sLog->outErrorDb("`pool_quest` pool id (%u) is out of range compared to max pool id in `pool_template`, skipped.", pool_id);
                    continue;
                }

                if (!quest->IsDailyOrWeekly())
                {
                    sLog->outErrorDb("`pool_quest` has an quest (%u) which is not daily or weekly in pool id (%u), use ExclusiveGroup instead, skipped.", entry, pool_id);
                    continue;
                }

                if (poolTypeMap[pool_id] == QUEST_NONE)
                    poolTypeMap[pool_id] = quest->IsDaily() ? QUEST_DAILY : QUEST_WEEKLY;

                int32 currType = quest->IsDaily() ? QUEST_DAILY : QUEST_WEEKLY;

                if (poolTypeMap[pool_id] != currType)
                {
                    sLog->outErrorDb("`pool_quest` quest %u is %s but pool (%u) is specified for %s, mixing not allowed, skipped.",
                                     entry, currType == QUEST_DAILY ? "QUEST_DAILY" : "QUEST_WEEKLY", pool_id, poolTypeMap[pool_id] == QUEST_DAILY ? "QUEST_DAILY" : "QUEST_WEEKLY");
                    continue;
                }

                creBounds = mQuestCreatureRelation.equal_range(entry);
                goBounds = mQuestGORelation.equal_range(entry);

                if (creBounds.first == creBounds.second && goBounds.first == goBounds.second)
                {
                    sLog->outErrorDb("`pool_quest` lists entry (%u) as member of pool (%u) but is not started anywhere, skipped.", entry, pool_id);
                    continue;
                }

                PoolTemplateData* pPoolTemplate = &mPoolTemplate[pool_id];
                PoolObject plObject = PoolObject(entry, 0.0f);
                PoolGroup<Quest>& questgroup = mPoolQuestGroups[pool_id];
                questgroup.SetPoolId(pool_id);
                questgroup.AddEntry(plObject, pPoolTemplate->MaxLimit);
                SearchPair p(entry, pool_id);
                mQuestSearchMap.insert(p);

                ++count;
            }
            while (result->NextRow());

            sLog->outString(">> Loaded %u quests in pools in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
            sLog->outString();
        }
    }

    // The initialize method will spawn all pools not in an event and not in another pool, this is why there is 2 left joins with 2 null checks
    sLog->outString("Starting objects pooling system...");
    {
        uint32 oldMSTime = getMSTime();

        QueryResult result = WorldDatabase.Query("SELECT DISTINCT pool_template.entry, pool_pool.pool_id, pool_pool.mother_pool FROM pool_template"
            " LEFT JOIN game_event_pool ON pool_template.entry=game_event_pool.pool_entry"
            " LEFT JOIN pool_pool ON pool_template.entry=pool_pool.pool_id WHERE game_event_pool.pool_entry IS NULL");

        if (!result)
        {
            sLog->outString(">> Pool handling system initialized, 0 pools spawned.");
            sLog->outString();
        }
        else
        {
            uint32 count = 0;
            do
            {
                Field* fields = result->Fetch();
                uint32 pool_entry = fields[0].GetUInt32();
                uint32 pool_pool_id = fields[1].GetUInt32();

                if (!CheckPool(pool_entry))
                {
                    if (pool_pool_id)
                        // The pool is a child pool in pool_pool table. Ideally we should remove it from the pool handler to ensure it never gets spawned,
                        // however that could recursively invalidate entire chain of mother pools. It can be done in the future but for now we'll do nothing.
                        sLog->outErrorDb("Pool Id %u has no equal chance pooled entites defined and explicit chance sum is not 100. This broken pool is a child pool of Id %u and cannot be safely removed.", pool_entry, fields[2].GetUInt32());
                    else
                        sLog->outErrorDb("Pool Id %u has no equal chance pooled entites defined and explicit chance sum is not 100. The pool will not be spawned.", pool_entry);
                    continue;
                }

                // Don't spawn child pools, they are spawned recursively by their parent pools
                if (!pool_pool_id)
                {
                    SpawnPool(pool_entry);
                    count++;
                }
            }
            while (result->NextRow());

            sLog->outBasic("Pool handling system initialized, %u pools spawned in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
            sLog->outString();
        }
    }
}