コード例 #1
0
void CClientStreamer::Restream ( bool bMovedFar )
{
    // Limit distance stream in/out rate
    // Vehicles might have to ignore this to reduce blocking loads elsewhere.
    int iMaxOut = 6;
    int iMaxIn = 6;
    if ( bMovedFar )
    {
        iMaxOut = 1000;
        iMaxIn = 1000;
    }

    // Do we have any elements waiting to be streamed out?
    while ( !m_ToStreamOut.empty () )
    {
        CClientStreamElement* pElement = m_ToStreamOut.front ();
        // Make sure we have no stream-references
        if ( pElement->GetTotalStreamReferences () == 0 )
        {
            // Stream out 1 of them per frame
            pElement->InternalStreamOut ();
            iMaxOut--;
        }
        m_ToStreamOut.remove ( pElement );

        if ( iMaxOut <= 0 )
            break;
    }

    static std::vector < CClientStreamElement* > ClosestStreamedOutList;
    static std::vector < CClientStreamElement* > FurthestStreamedInList;
    ClosestStreamedOutList.clear();
    FurthestStreamedInList.clear();

    bool bReachedLimit = ReachedLimit ();
    // Loop through our active elements list (they should be ordered closest to furthest)
    list < CClientStreamElement* > ::iterator iter = m_ActiveElements.begin ();
    for ( ; iter != m_ActiveElements.end (); iter++ )
    {
        CClientStreamElement* pElement = *iter;
        float fElementDistanceExp = pElement->GetExpDistance ();
        
        // Is this element streamed in?
        if ( pElement->IsStreamedIn () )
        {                
            if ( IS_VEHICLE ( pElement ) )
            {
                CClientVehicle* pVehicle = DynamicCast < CClientVehicle > ( pElement );
                if ( pVehicle )
                {
                    if ( pVehicle->GetOccupant ( ) && IS_PLAYER ( pVehicle->GetOccupant ( ) ) )
                    {
                        CClientPlayer* pPlayer = DynamicCast < CClientPlayer > ( pVehicle->GetOccupant ( ) );
                        if ( pPlayer->GetLastPuresyncType ( ) == PURESYNC_TYPE_LIGHTSYNC )
                        {
                            // if the last packet was ls he shouldn't be streamed in
                            m_ToStreamOut.push_back ( pElement );
                        }
                    }

                    // Is this a trailer?
                    if ( pVehicle->GetTowedByVehicle ( ) != NULL )
                    {
                        // Don't stream it out (this is handled by the towing vehicle)
                        continue;
                    }
                }
            }
            if ( IS_PLAYER ( pElement ) )
            {
                CClientPlayer* pPlayer = DynamicCast < CClientPlayer > ( pElement );
                if ( pPlayer->GetLastPuresyncType ( ) == PURESYNC_TYPE_LIGHTSYNC )
                {
                    // if the last packet was ls he isn't/shouldn't be streamed in
                    m_ToStreamOut.push_back ( pElement );
                }
            }
            // Too far away? Use the threshold so we won't flicker load it if it's on the border moving.
            if ( fElementDistanceExp > m_fMaxDistanceThreshold )
            {
                // Unstream it now?
                if ( iMaxOut > 0 )
                {
                    // Make sure we have no stream-references
                    if ( pElement->GetTotalStreamReferences () == 0 )
                    {
                        // Stream out now
                        pElement->InternalStreamOut ();
                        iMaxOut--;
                    }
                    m_ToStreamOut.remove ( pElement );
                }
                else
                {
                    // or later
                    m_ToStreamOut.push_back ( pElement );
                }
            }
            else
            {
                FurthestStreamedInList.push_back( pElement );
            }
        }
        else
        {
            // Same dimension as us?
            if ( pElement->GetDimension () == m_usDimension )
            {
                // Too far away? Stop here.
                if ( fElementDistanceExp > m_fMaxDistanceExp )
                    continue;

                if ( IS_VEHICLE ( pElement ) )
                {
                    CClientVehicle* pVehicle = DynamicCast < CClientVehicle > ( pElement );
                    if ( pVehicle && pVehicle->GetOccupant ( ) && IS_PLAYER ( pVehicle->GetOccupant ( ) ))
                    {
                        CClientPlayer* pPlayer = DynamicCast < CClientPlayer > ( pVehicle->GetOccupant ( ) );
                        if ( pPlayer->GetLastPuresyncType ( ) == PURESYNC_TYPE_LIGHTSYNC )
                        {
                            // if the last packet was ls he isn't streaming in soon.
                            continue;
                        }
                    }

                    if ( pVehicle && pVehicle->GetTowedByVehicle ( ) )
                    {
                        // Streaming in of towed vehicles is done in CClientVehicle::StreamIn by the towing vehicle
                        continue;
                    }
                }
                if ( IS_PLAYER ( pElement ) )
                {
                    CClientPlayer* pPlayer = DynamicCast < CClientPlayer > ( pElement );
                    if ( pPlayer->GetLastPuresyncType ( ) == PURESYNC_TYPE_LIGHTSYNC )
                    {
                        // if the last packet was ls he isn't streaming in soon.
                        continue;
                    }
                }
                // If attached and attached-to is streamed out, don't consider for streaming in
                CClientStreamElement* pAttachedTo = DynamicCast< CClientStreamElement >( pElement->GetAttachedTo() );
                if ( pAttachedTo && !pAttachedTo->IsStreamedIn() )
                {
                    // ...unless attached to low LOD version
                    CClientObject* pAttachedToObject = DynamicCast < CClientObject > ( pAttachedTo );
                    CClientObject* pObject = DynamicCast < CClientObject > ( pElement );
                    if ( !pObject || !pAttachedToObject || pObject->IsLowLod () == pAttachedToObject->IsLowLod () )
                        continue;
                }

                // Not room to stream in more elements?
                if ( bReachedLimit )
                {
                    // Add to the list that might be streamed in during the final phase
                    if ( (int)ClosestStreamedOutList.size() < iMaxIn )     // (only add if there is a chance it will be used)
                        ClosestStreamedOutList.push_back( pElement );
                }
                else
                {
                    // Stream in the new element. Don't do it instantly unless moved from far away.
                    pElement->InternalStreamIn ( bMovedFar );
                    bReachedLimit = ReachedLimit ();

                    if ( !bReachedLimit )
                    {
                        iMaxIn--;
                        if ( iMaxIn <= 0 )
                            break;
                    }
                }
            }
        }
    }

    // Complex code of doom:
    //      ClosestStreamedOutList is {nearest to furthest} list of streamed out elements within streaming distance
    //      FurthestStreamedInList is {nearest to furthest} list of streamed in elements
    if ( bReachedLimit )
    {
        // Check 'furthest streamed in' against 'closest streamed out' to see if the state can be swapped
        int iFurthestStreamedInIndex = FurthestStreamedInList.size() - 1;
        uint uiClosestStreamedOutIndex = 0;
        for( uint i = 0 ; i < 10 ; i++ )
        {
            // Check limits for this frame
            if ( iMaxIn <= 0 || iMaxOut <= 0 )
                break;

            // Check indicies are valid
            if ( iFurthestStreamedInIndex < 0 )
                break;
            if ( uiClosestStreamedOutIndex >= ClosestStreamedOutList.size() )
                break;

            // See if ClosestStreamedOut is nearer than FurthestStreamedIn
            CClientStreamElement* pFurthestStreamedIn = FurthestStreamedInList[ iFurthestStreamedInIndex ];
            CClientStreamElement* pClosestStreamedOut = ClosestStreamedOutList[ uiClosestStreamedOutIndex ];
            if ( pClosestStreamedOut->GetExpDistance () >= pFurthestStreamedIn->GetExpDistance () )
                break;

            // Stream out FurthestStreamedIn candidate if possible
            if ( pFurthestStreamedIn->GetTotalStreamReferences () == 0 )
            {
                // Stream out now
                pFurthestStreamedIn->InternalStreamOut ();
                iMaxOut--;
            }
            m_ToStreamOut.remove ( pFurthestStreamedIn );
            iFurthestStreamedInIndex--;     // Always advance to the next candidate

            // Stream in ClosestStreamedOut candidate if possible
            if ( !ReachedLimit () )
            {
                // Stream in the new element. No need to do it instantly unless moved from far away.
                pClosestStreamedOut->InternalStreamIn ( bMovedFar );
                iMaxIn--;
                uiClosestStreamedOutIndex++;
            }
        }
    }
}
コード例 #2
0
ファイル: CNametags.cpp プロジェクト: ccw808/mtasa-blue
void CNametags::DrawFromAim()
{
    unsigned long ulCurrentTime = CClientTime::GetTime();

    // Got any players that are not local?
    if (m_pPlayerManager->Count() > 1)
    {
        // Grab the local player
        CClientPlayer* pLocalPlayer = m_pPlayerManager->GetLocalPlayer();
        if (pLocalPlayer)
        {
            // Grab the current time and the camera
            unsigned long ulCurrentTime = CClientTime::GetTime();
            CCamera*      pCamera = g_pGame->GetCamera();

            // Grab our controller state
            CControllerState State;
            g_pGame->GetPad()->GetCurrentControllerState(&State);

            // Grab our current weapon slot. Use screen center if melee or none
            CVector     vecStart;
            CVector     vecTarget;
            eWeaponSlot eSlot = pLocalPlayer->GetCurrentWeaponSlot();
            if (eSlot == WEAPONSLOT_TYPE_UNARMED || eSlot == WEAPONSLOT_TYPE_MELEE || eSlot == WEAPONSLOT_TYPE_RIFLE || eSlot == WEAPONSLOT_TYPE_THROWN ||
                eSlot == WEAPONSLOT_TYPE_SPECIAL || eSlot == WEAPONSLOT_TYPE_GIFT || eSlot == WEAPONSLOT_TYPE_PARACHUTE || eSlot == WEAPONSLOT_TYPE_DETONATOR)
            {
                // Grab the active cam
                CCamera* pCamera = g_pGame->GetCamera();
                CCam*    pActive = pCamera->GetCam(pCamera->GetActiveCam());

                // Grab the camera matrix
                CMatrix matCamera;
                pCamera->GetMatrix(&matCamera);
                vecStart = matCamera.vPos;

                // Range
                float        fRange;
                eWeaponType  eWeapon = pLocalPlayer->GetCurrentWeaponType();
                float        fSkill = pLocalPlayer->GetStat(g_pGame->GetStats()->GetSkillStatIndex(eWeapon));
                CWeaponStat* pWeaponStat = g_pGame->GetWeaponStatManager()->GetWeaponStatsFromSkillLevel(eWeapon, fSkill);
                if (pWeaponStat)
                {
                    fRange = pWeaponStat->GetTargetRange();
                }
                else
                {
                    fRange = MELEE_VISIBLE_RANGE;
                }

                // Find the target position
                CVector vecFront = *pActive->GetFront();
                vecFront.Normalize();
                vecTarget = *pActive->GetSource() + vecFront * fRange;
            }
            else
            {
                // Grab the weapon and keysync state. If it exists and he holds Target down
                CWeapon* pPlayerWeapon = pLocalPlayer->GetWeapon();
                if (pPlayerWeapon && State.RightShoulder1)
                {
                    // Grab the gun muzzle position
                    eWeaponType  eWeapon = pLocalPlayer->GetCurrentWeaponType();
                    float        fSkill = pLocalPlayer->GetStat(g_pGame->GetStats()->GetSkillStatIndex(eWeapon));
                    CWeaponStat* pWeaponStat = g_pGame->GetWeaponStatManager()->GetWeaponStatsFromSkillLevel(eWeapon, fSkill);

                    CVector vecGunMuzzle = *pWeaponStat->GetFireOffset();
                    pLocalPlayer->GetTransformedBonePosition(BONE_RIGHTWRIST, vecGunMuzzle);

                    // Grab the target point
                    pCamera->Find3rdPersonCamTargetVector(AIM_VISIBLE_RANGE, &vecGunMuzzle, &vecStart, &vecTarget);
                }
                else
                {
                    // Grab the active cam
                    CCam* pActive = pCamera->GetCam(pCamera->GetActiveCam());

                    // Grab the camera matrix
                    CMatrix matCamera;
                    pCamera->GetMatrix(&matCamera);
                    vecStart = matCamera.vPos;

                    // Find the target position
                    CVector vecFront = *pActive->GetFront();
                    vecFront.Normalize();
                    vecTarget = *pActive->GetSource() + vecFront * MELEE_VISIBLE_RANGE;
                }
            }

            // Ignore the local player for this
            pLocalPlayer->WorldIgnore(true);

            // Do the raycast
            CColPoint*        pColPoint = NULL;
            CEntity*          pEntity = NULL;
            SLineOfSightFlags flags;
            flags.bCheckBuildings = true;
            flags.bCheckVehicles = true;
            flags.bCheckPeds = true;
            flags.bCheckObjects = true;
            flags.bCheckDummies = true;
            flags.bSeeThroughStuff = true;
            flags.bIgnoreSomeObjectsForCamera = false;
            flags.bShootThroughStuff = true;
            g_pGame->GetWorld()->ProcessLineOfSight(&vecStart, &vecTarget, &pColPoint, &pEntity, flags);
            if (pColPoint)
                pColPoint->Destroy();

            // Un-ignore the local player
            pLocalPlayer->WorldIgnore(false);

            // Did we find an entity?
            if (pEntity)
            {
                // Grab the CClientEntity belonging to this game_sa entity
                CClientEntity* pClientEntity = reinterpret_cast<CClientEntity*>(pEntity->GetStoredPointer());
                if (pClientEntity)
                {
                    // Is it a vehicle? Is it a ped?
                    eClientEntityType EntityType = pClientEntity->GetType();
                    if (EntityType == CCLIENTVEHICLE)
                    {
                        CClientVehicle* pClientVehicle = static_cast<CClientVehicle*>(pClientEntity);

                        // Set the current time as the last draw time for all players inside
                        CClientPed* pPed;
                        int         i;
                        for (i = 0; i < 8; i++)
                        {
                            // Grab this seat's occupant and set its last nametag show time to now
                            pPed = pClientVehicle->GetOccupant(i);
                            if (pPed && pPed->GetType() == CCLIENTPLAYER)
                            {
                                static_cast<CClientPlayer*>(pPed)->SetLastNametagShow(ulCurrentTime);
                            }
                        }
                    }
                    else if (EntityType == CCLIENTPLAYER)
                    {
                        // Grab the player this entity is
                        CClientPlayer* pClientPlayer = static_cast<CClientPlayer*>(pClientEntity);
                        if (pClientPlayer)
                        {
                            // Set now as the last time we had the cursor above him
                            pClientPlayer->SetLastNametagShow(ulCurrentTime);
                        }
                    }
                }
            }

            // Grab the local player vehicle
            CClientVehicle* pLocalVehicle = pLocalPlayer->GetOccupiedVehicle();

            // Draw the nametags we need to
            CClientPlayer*                              pPlayer;
            CClientStreamElement*                       pElement;
            list<CClientStreamElement*>::const_iterator iter = m_pPlayerStreamer->ActiveElementsBegin();
            for (; iter != m_pPlayerStreamer->ActiveElementsEnd(); ++iter)
            {
                pElement = *iter;
                if (!pElement->IsStreamedIn())
                    continue;
                if (pElement->GetType() != CCLIENTPLAYER)
                    continue;
                pPlayer = static_cast<CClientPlayer*>(pElement);
                if (pPlayer->IsLocalPlayer())
                    continue;

                // Is he in the same vehicle as the local player?
                if (pLocalVehicle && pPlayer->GetOccupiedVehicle() == pLocalVehicle)
                {
                    pPlayer->SetLastNametagShow(ulCurrentTime);
                }

                // Can we show this player's nametag
                unsigned long ulLastNametagShow = pPlayer->GetLastNametagShow();
                if (ulLastNametagShow != 0 && ulCurrentTime <= ulLastNametagShow + NAMETAG_END_FADE_TIME)
                {
                    unsigned long ulLastNametagShow = pPlayer->GetLastNametagShow();
                    // Calculate the alpha modifier
                    float fAlphaTimeModifier;
                    if (ulCurrentTime < ulLastNametagShow + NAMETAG_BEGIN_FADE_TIME)
                    {
                        fAlphaTimeModifier = 1.0f;
                    }
                    else
                    {
                        fAlphaTimeModifier = 1.0f - (ulCurrentTime - ulLastNametagShow - NAMETAG_BEGIN_FADE_TIME) / 1000.0f;
                    }

                    // Calculate the alpha for the nametag
                    unsigned char ucAlpha = static_cast<unsigned char>(180.0f * fAlphaTimeModifier);

                    // Draw it
                    DrawTagForPlayer(pPlayer, ucAlpha);
                }
            }
        }
    }
}