void BattlegroundDS::PostUpdateImpl(uint32 diff)
{
    if (GetStatus() != STATUS_IN_PROGRESS)
        return;

    if (getPipeKnockBackCount() < BG_DS_PIPE_KNOCKBACK_TOTAL_COUNT)
    {
        if (getPipeKnockBackTimer() < diff)
        {
            for (uint32 i = BG_DS_NPC_PIPE_KNOCKBACK_1; i <= BG_DS_NPC_PIPE_KNOCKBACK_2; ++i)
                if (Creature* waterSpout = GetBgMap()->GetCreature(BgCreatures[i]))
                    waterSpout->AI()->DoCast(BG_DS_SPELL_FLUSH);

            setPipeKnockBackCount(getPipeKnockBackCount() + 1);
            setPipeKnockBackTimer(BG_DS_PIPE_KNOCKBACK_DELAY);
        }
        else
            setPipeKnockBackTimer(getPipeKnockBackTimer() - diff);
    }

    if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_ON) // Repeat knockback while the waterfall still active
    {
        if (getWaterFallKnockbackTimer() < diff)
        {
            if (Creature* waterSpout = GetBgMap()->GetCreature(BgCreatures[BG_DS_NPC_WATERFALL_KNOCKBACK]))
                waterSpout->CastSpell(waterSpout, BG_DS_SPELL_WATER_SPOUT, true);

            setWaterFallKnockbackTimer(BG_DS_WATERFALL_KNOCKBACK_TIMER);
        }
        else
            setWaterFallKnockbackTimer(getWaterFallKnockbackTimer() - diff);
    }

    if (getWaterFallTimer() < diff)
    {
        if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_OFF) // Add the water
        {
            DoorClose(BG_DS_OBJECT_WATER_2);
            setWaterFallTimer(BG_DS_WATERFALL_WARNING_DURATION);
            setWaterFallStatus(BG_DS_WATERFALL_STATUS_WARNING);
        }
        else if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_WARNING) // Active collision and start knockback timer
        {
            if (GameObject* gob = GetBgMap()->GetGameObject(BgObjects[BG_DS_OBJECT_WATER_1]))
                gob->SetGoState(GO_STATE_READY);

            setWaterFallTimer(BG_DS_WATERFALL_DURATION);
            setWaterFallStatus(BG_DS_WATERFALL_STATUS_ON);
            setWaterFallKnockbackTimer(BG_DS_WATERFALL_KNOCKBACK_TIMER);
        }
        else //if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_ON) // Remove collision and water
        {
            // turn off collision
            if (GameObject* gob = GetBgMap()->GetGameObject(BgObjects[BG_DS_OBJECT_WATER_1]))
                gob->SetGoState(GO_STATE_ACTIVE);

            DoorOpen(BG_DS_OBJECT_WATER_2);
            setWaterFallTimer(urand(BG_DS_WATERFALL_TIMER_MIN, BG_DS_WATERFALL_TIMER_MAX));
            setWaterFallStatus(BG_DS_WATERFALL_STATUS_OFF);
        }
    }
    else
        setWaterFallTimer(getWaterFallTimer() - diff);
}
void BattlegroundDS::PostUpdateImpl(uint32 diff)
{
    if (GetStatus() != STATUS_IN_PROGRESS)
        return;

    if (getPipeKnockBackCount() < BG_DS_PIPE_KNOCKBACK_TOTAL_COUNT)
    {
        if (getPipeKnockBackTimer() < diff)
        {
            for (uint32 i = BG_DS_NPC_PIPE_KNOCKBACK_1; i <= BG_DS_NPC_PIPE_KNOCKBACK_2; ++i)
                if (Creature* waterSpout = GetBgMap()->GetCreature(BgCreatures[i]))
                    waterSpout->CastSpell(waterSpout, BG_DS_SPELL_FLUSH, true);

            setPipeKnockBackCount(getPipeKnockBackCount() + 1);
            setPipeKnockBackTimer(BG_DS_PIPE_KNOCKBACK_DELAY);
        }
        else
            setPipeKnockBackTimer(getPipeKnockBackTimer() - diff);
    }

    if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_ON) // Repeat knockback while the waterfall still active
    {
        if (getWaterFallKnockbackTimer() < diff)
        {
            if (Creature* waterSpout = GetBgMap()->GetCreature(BgCreatures[BG_DS_NPC_WATERFALL_KNOCKBACK]))
                waterSpout->CastSpell(waterSpout, BG_DS_SPELL_WATER_SPOUT, true);

            setWaterFallKnockbackTimer(BG_DS_WATERFALL_KNOCKBACK_TIMER);
        }
        else
            setWaterFallKnockbackTimer(getWaterFallKnockbackTimer() - diff);
    }

    if (getWaterFallTimer() < diff)
    {
        if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_OFF) // Add the water
        {
            DoorClose(BG_DS_OBJECT_WATER_2);
            setWaterFallTimer(BG_DS_WATERFALL_WARNING_DURATION);
            setWaterFallStatus(BG_DS_WATERFALL_STATUS_WARNING);
        }
        else if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_WARNING) // Active collision and start knockback timer
        {
            if (GameObject* gob = GetBgMap()->GetGameObject(BgObjects[BG_DS_OBJECT_WATER_1]))
                gob->SetGoState(GO_STATE_READY);

            setWaterFallTimer(BG_DS_WATERFALL_DURATION);
            setWaterFallStatus(BG_DS_WATERFALL_STATUS_ON);
            setWaterFallKnockbackTimer(BG_DS_WATERFALL_KNOCKBACK_TIMER);
        }
        else //if (getWaterFallStatus() == BG_DS_WATERFALL_STATUS_ON) // Remove collision and water
        {
            // turn off collision
            if (GameObject* gob = GetBgMap()->GetGameObject(BgObjects[BG_DS_OBJECT_WATER_1]))
                gob->SetGoState(GO_STATE_ACTIVE);

            DoorOpen(BG_DS_OBJECT_WATER_2);
            setWaterFallTimer(urand(BG_DS_WATERFALL_TIMER_MIN, BG_DS_WATERFALL_TIMER_MAX));
            setWaterFallStatus(BG_DS_WATERFALL_STATUS_OFF);
        }
    }
    else
        setWaterFallTimer(getWaterFallTimer() - diff);
    
    if (GetStatus() == STATUS_IN_PROGRESS)
    {
        if(knockback < diff && knockbackCheck)
        {
            for(BattlegroundPlayerMap::const_iterator itr = GetPlayers().begin(); itr != GetPlayers().end();itr++)
            {
                Player * plr = ObjectAccessor::FindPlayer(itr->first);
                if (plr->GetTeam() == ALLIANCE && plr->GetDistance2d(1214, 765) <= 50 && plr->GetPositionZ() > 10)
                    KnockBackPlayer(plr, 6.15f, 50.00f, 7.00f);
                if (plr->GetTeam() == HORDE && plr->GetDistance2d(1369, 817) <= 50 && plr->GetPositionZ() > 10)
                    KnockBackPlayer(plr, 3.10f, 50.00f, 7.00f);
                plr->RemoveAurasDueToSpell(48018);
            }
            knockbackCheck = false;
        }
            else knockback -= diff;
    }
}