Fix line endlings

1 files changed, 3676 insertions, 3676 deletions

diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index 7633ec62df..41af61ec97 100755
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -1,3676 +1,3676 @@
-/**

- * @file llviewerregion.cpp

- * @brief Implementation of the LLViewerRegion class.

- *

- * $LicenseInfo:firstyear=2000&license=viewerlgpl$

- * Second Life Viewer Source Code

- * Copyright (C) 2010-2013, Linden Research, Inc.

- *

- * This library is free software; you can redistribute it and/or

- * modify it under the terms of the GNU Lesser General Public

- * License as published by the Free Software Foundation;

- * version 2.1 of the License only.

- *

- * This library is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

- * Lesser General Public License for more details.

- *

- * You should have received a copy of the GNU Lesser General Public

- * License along with this library; if not, write to the Free Software

- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

- *

- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA

- * $/LicenseInfo$

- */

-

-#include "llviewerprecompiledheaders.h"

-

-#include "llviewerregion.h"

-

-// linden libraries

-#include "indra_constants.h"

-#include "llaisapi.h"

-#include "llavatarnamecache.h"      // name lookup cap url

-#include "llfloaterreg.h"

-#include "llmath.h"

-#include "llregionflags.h"

-#include "llregionhandle.h"

-#include "llsurface.h"

-#include "message.h"

-//#include "vmath.h"

-#include "v3math.h"

-#include "v4math.h"

-

-#include "llagent.h"

-#include "llagentcamera.h"

-#include "llappviewer.h"

-#include "llavatarrenderinfoaccountant.h"

-#include "llcallingcard.h"

-#include "llcommandhandler.h"

-#include "lldir.h"

-#include "lleventpoll.h"

-#include "llfloatergodtools.h"

-#include "llfloaterreporter.h"

-#include "llfloaterregioninfo.h"

-#include "llgltfmateriallist.h"

-#include "llhttpnode.h"

-#include "llregioninfomodel.h"

-#include "llsdutil.h"

-#include "llstartup.h"

-#include "lltrans.h"

-#include "llurldispatcher.h"

-#include "llviewerobjectlist.h"

-#include "llviewerparceloverlay.h"

-#include "llviewerstatsrecorder.h"

-#include "llvlmanager.h"

-#include "llvlcomposition.h"

-#include "llvoavatarself.h"

-#include "llvocache.h"

-#include "llworld.h"

-#include "llspatialpartition.h"

-#include "stringize.h"

-#include "llviewercontrol.h"

-#include "llsdserialize.h"

-#include "llfloaterperms.h"

-#include "llvieweroctree.h"

-#include "llviewerdisplay.h"

-#include "llviewerwindow.h"

-#include "llprogressview.h"

-#include "llcoros.h"

-#include "lleventcoro.h"

-#include "llcorehttputil.h"

-#include "llcallstack.h"

-#include "llsettingsdaycycle.h"

-

-#include <boost/regex.hpp>

-

-#ifdef LL_WINDOWS

-    #pragma warning(disable:4355)

-#endif

-

-// When we receive a base grant of capabilities that has a different number of

-// capabilities than the original base grant received for the region, print

-// out the two lists of capabilities for analysis.

-//#define DEBUG_CAPS_GRANTS

-

-// The server only keeps our pending agent info for 60 seconds.

-// We want to allow for seed cap retry, but its not useful after that 60 seconds.

-// Even though we gave up on login, keep trying for caps after we are logged in:

-const S32 MAX_CAP_REQUEST_ATTEMPTS = 30;

-const U32 DEFAULT_MAX_REGION_WIDE_PRIM_COUNT = 15000;

-

-bool LLViewerRegion::sVOCacheCullingEnabled = false;

-S32  LLViewerRegion::sLastCameraUpdated = 0;

-S32  LLViewerRegion::sNewObjectCreationThrottle = -1;

-LLViewerRegion::vocache_entry_map_t LLViewerRegion::sRegionCacheCleanup;

-

-typedef std::map<std::string, std::string> CapabilityMap;

-

-static void log_capabilities(const CapabilityMap &capmap);

-

-namespace

-{

-

-void newRegionEntry(LLViewerRegion& region)

-{

-    LL_INFOS("LLViewerRegion") << "Entering region [" << region.getName() << "]" << LL_ENDL;

-    gDebugInfo["CurrentRegion"] = region.getName();

-    LLAppViewer::instance()->writeDebugInfo();

-}

-

-} // anonymous namespace

-

-// support for secondlife:///app/region/{REGION} SLapps

-// N.B. this is defined to work exactly like the classic secondlife://{REGION}

-// However, the later syntax cannot support spaces in the region name because

-// spaces (and %20 chars) are illegal in the hostname of an http URL. Some

-// browsers let you get away with this, but some do not (such as Qt's Webkit).

-// Hence we introduced the newer secondlife:///app/region alternative.

-class LLRegionHandler : public LLCommandHandler

-{

-public:

-    // requests will be throttled from a non-trusted browser

-    LLRegionHandler() : LLCommandHandler("region", UNTRUSTED_THROTTLE) {}

-

-    bool handle(const LLSD& params, const LLSD& query_map, const std::string& grid, LLMediaCtrl* web)

-    {

-        // make sure that we at least have a region name

-        int num_params = params.size();

-        if (num_params < 1)

-        {

-            return false;

-        }

-

-        // build a secondlife://{PLACE} SLurl from this SLapp

-        std::string url = "secondlife://";

-        if (!grid.empty())

-        {

-            url += grid + "/secondlife/";

-        }

-        boost::regex name_rx("[A-Za-z0-9()_%]+");

-        boost::regex coord_rx("[0-9]+");

-        for (int i = 0; i < num_params; i++)

-        {

-            if (i > 0)

-            {

-                url += "/";

-            }

-            if (!boost::regex_match(params[i].asString(), i > 0 ? coord_rx : name_rx))

-            {

-                return false;

-            }

-

-            url += params[i].asString();

-        }

-

-        // Process the SLapp as if it was a secondlife://{PLACE} SLurl

-        LLURLDispatcher::dispatch(url, LLCommandHandler::NAV_TYPE_CLICKED, web, true);

-        return true;

-    }

-

-};

-LLRegionHandler gRegionHandler;

-

-

-class LLViewerRegionImpl

-{

-public:

-    LLViewerRegionImpl(LLViewerRegion * region, LLHost const & host):

-        mHost(host),

-        mCompositionp(NULL),

-        mEventPoll(NULL),

-        mSeedCapMaxAttempts(MAX_CAP_REQUEST_ATTEMPTS),

-        mSeedCapAttempts(0),

-        mHttpResponderID(0),

-        mLastCameraUpdate(0),

-        mLastCameraOrigin(),

-        mVOCachePartition(NULL),

-        mLandp(NULL)

-    {}

-

-    static void buildCapabilityNames(LLSD& capabilityNames);

-

-    // The surfaces and other layers

-    LLSurface*  mLandp;

-

-    // Region geometry data

-    LLVector3d  mOriginGlobal;  // Location of southwest corner of region (meters)

-    LLVector3d  mCenterGlobal;  // Location of center in world space (meters)

-    LLHost      mHost;

-

-    // The unique ID for this region.

-    LLUUID mRegionID;

-

-    // region/estate owner - usually null.

-    LLUUID mOwnerID;

-

-    // Network statistics for the region's circuit...

-    LLTimer mLastNetUpdate;

-

-    // Misc

-    LLVLComposition *mCompositionp;     // Composition layer for the surface

-

-    LLVOCacheEntry::vocache_entry_map_t   mCacheMap; //all cached entries

-    LLVOCacheEntry::vocache_entry_set_t   mActiveSet; //all active entries;

-    LLVOCacheEntry::vocache_entry_set_t   mWaitingSet; //entries waiting for LLDrawable to be generated.

-    std::set< LLPointer<LLViewerOctreeGroup> >      mVisibleGroups; //visible groupa

-    LLVOCachePartition*                   mVOCachePartition;

-    LLVOCacheEntry::vocache_entry_set_t   mVisibleEntries; //must-be-created visible entries wait for objects creation.

-    LLVOCacheEntry::vocache_entry_priority_list_t mWaitingList; //transient list storing sorted visible entries waiting for object creation.

-    std::set<U32>                          mNonCacheableCreatedList; //list of local ids of all non-cacheable objects

-    LLVOCacheEntry::vocache_gltf_overrides_map_t mGLTFOverridesLLSD; // for materials

-

-    // time?

-    // LRU info?

-

-    // Cache ID is unique per-region, across renames, moving locations,

-    // etc.

-    LLUUID mCacheID;

-

-    CapabilityMap mCapabilities;

-    CapabilityMap mSecondCapabilitiesTracker;

-

-    LLEventPoll* mEventPoll;

-

-    S32 mSeedCapMaxAttempts;

-    S32 mSeedCapAttempts;

-

-    S32 mHttpResponderID;

-

-    //spatial partitions for objects in this region

-    std::vector<LLViewerOctreePartition*> mObjectPartition;

-

-    LLVector3   mLastCameraOrigin;

-    U32         mLastCameraUpdate;

-

-    static void        requestBaseCapabilitiesCoro(U64 regionHandle);

-    static void        requestBaseCapabilitiesCompleteCoro(U64 regionHandle);

-    static void        requestSimulatorFeatureCoro(std::string url, U64 regionHandle);

-};

-

-void LLViewerRegionImpl::requestBaseCapabilitiesCoro(U64 regionHandle)

-{

-    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);

-    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t

-        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("BaseCapabilitiesRequest", httpPolicy));

-    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);

-

-    LLSD result;

-    LLViewerRegion *regionp = NULL;

-

-    // This loop is used for retrying a capabilities request.

-    do

-    {

-        if (STATE_WORLD_INIT > LLStartUp::getStartupState())

-        {

-            LL_INFOS("AppInit", "Capabilities") << "Aborting capabilities request, reason: returned to login screen" << LL_ENDL;

-            return;

-        }

-

-        if (!LLWorld::instanceExists())

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities, but world no longer exists!" << LL_ENDL;

-            return;

-        }

-

-        regionp = LLWorld::getInstance()->getRegionFromHandle(regionHandle);

-        if (!regionp) //region was removed

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities for region that no longer exists!" << LL_ENDL;

-            return; // this error condition is not recoverable.

-        }

-        LLViewerRegionImpl* impl = regionp->getRegionImplNC();

-        LL_DEBUGS("AppInit", "Capabilities") << "requesting seed caps for handle " << regionHandle

-                                             << " name " << regionp->getName() << LL_ENDL;

-

-        std::string url = regionp->getCapability("Seed");

-        if (url.empty())

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Failed to get seed capabilities, and can not determine url!" << LL_ENDL;

-            regionp->setCapabilitiesError();

-            return; // this error condition is not recoverable.

-        }

-

-        // record that we just entered a new region

-        newRegionEntry(*regionp);

-

-        if (impl->mSeedCapAttempts > impl->mSeedCapMaxAttempts)

-        {

-            // *TODO: Give a user pop-up about this error?

-            LL_WARNS("AppInit", "Capabilities") << "Failed to get seed capabilities from '" << url << "' after " << impl->mSeedCapAttempts << " attempts.  Giving up!" << LL_ENDL;

-            return;  // this error condition is not recoverable.

-        }

-

-        S32 id = ++(impl->mHttpResponderID);

-

-        LLSD capabilityNames = LLSD::emptyArray();

-        impl->buildCapabilityNames(capabilityNames);

-

-        LL_INFOS("AppInit", "Capabilities") << "Requesting seed from " << url

-                                            << " region name " << regionp->getName()

-                                            << " region id " << regionp->getRegionID()

-                                            << " handle " << regionp->getHandle()

-                                            << " (attempt #" << impl->mSeedCapAttempts + 1 << ")" << LL_ENDL;

-        LL_DEBUGS("AppInit", "Capabilities") << "Capabilities requested: " << capabilityNames << LL_ENDL;

-

-        regionp = NULL;

-        impl = NULL;

-        result = httpAdapter->postAndSuspend(httpRequest, url, capabilityNames);

-

-        if (STATE_WORLD_INIT > LLStartUp::getStartupState())

-        {

-            LL_INFOS("AppInit", "Capabilities") << "Aborting capabilities request, reason: returned to login screen" << LL_ENDL;

-            return;

-        }

-

-        if (LLApp::isExiting() || gDisconnected)

-        {

-            LL_DEBUGS("AppInit", "Capabilities") << "Shutting down" << LL_ENDL;

-            return;

-        }

-

-        if (!LLWorld::instanceExists())

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Received capabilities, but world no longer exists!" << LL_ENDL;

-            return;

-        }

-

-        regionp = LLWorld::getInstance()->getRegionFromHandle(regionHandle);

-        if (!regionp) //region was removed

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Received capabilities for region that no longer exists!" << LL_ENDL;

-            return; // this error condition is not recoverable.

-        }

-

-        impl = regionp->getRegionImplNC();

-

-        ++(impl->mSeedCapAttempts);

-

-        if (!result.isMap() || result.has("error"))

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Malformed response" << LL_ENDL;

-            // setup for retry.

-            continue;

-        }

-

-        LLSD httpResults = result["http_result"];

-        LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);

-        if (!status)

-        {

-            LL_WARNS("AppInit", "Capabilities") << "HttpStatus error " << LL_ENDL;

-            // setup for retry.

-            continue;

-        }

-

-        // remove the http_result from the llsd

-        result.erase("http_result");

-

-        if (id != impl->mHttpResponderID) // region is no longer referring to this request

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Received results for a stale capabilities request!" << LL_ENDL;

-            // setup for retry.

-            continue;

-        }

-

-        LLSD::map_const_iterator iter;

-        for (iter = result.beginMap(); iter != result.endMap(); ++iter)

-        {

-            regionp->setCapability(iter->first, iter->second);

-

-            LL_DEBUGS("AppInit", "Capabilities")

-                << "Capability '" << iter->first << "' is '" << iter->second << "'" << LL_ENDL;

-        }

-

-#if 0

-        log_capabilities(mCapabilities);

-#endif

-

-        LL_DEBUGS("AppInit", "Capabilities", "Teleport") << "received caps for handle " << regionHandle

-                                                         << " region name " << regionp->getName() << LL_ENDL;

-        regionp->setCapabilitiesReceived(true);

-

-        break;

-    }

-    while (true);

-

-    if (regionp && regionp->isCapabilityAvailable("ServerReleaseNotes") &&

-            regionp->getReleaseNotesRequested())

-    {   // *HACK: we're waiting for the ServerReleaseNotes

-        regionp->showReleaseNotes();

-    }

-}

-

-

-void LLViewerRegionImpl::requestBaseCapabilitiesCompleteCoro(U64 regionHandle)

-{

-    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);

-    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t

-        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("BaseCapabilitiesRequest", httpPolicy));

-    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);

-

-    LLSD result;

-    LLViewerRegion *regionp = NULL;

-

-    // This loop is used for retrying a capabilities request.

-    do

-    {

-        LLWorld *world_inst = LLWorld::getInstance(); // Not a singleton!

-        if (!world_inst)

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities, but world no longer exists!" << LL_ENDL;

-            return;

-        }

-

-        regionp = world_inst->getRegionFromHandle(regionHandle);

-        if (!regionp) //region was removed

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities for region that no longer exists!" << LL_ENDL;

-            break; // this error condition is not recoverable.

-        }

-

-        std::string url = regionp->getCapabilityDebug("Seed");

-        if (url.empty())

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Failed to get seed capabilities, and can not determine url!" << LL_ENDL;

-            if (regionp->getCapability("Seed").empty())

-            {

-                // initial attempt failed to get this cap as well

-                regionp->setCapabilitiesError();

-            }

-            break; // this error condition is not recoverable.

-        }

-

-        // record that we just entered a new region

-        newRegionEntry(*regionp);

-

-        LLSD capabilityNames = LLSD::emptyArray();

-        buildCapabilityNames(capabilityNames);

-

-        LL_INFOS("AppInit", "Capabilities") << "Requesting second Seed from " << url << " for region " << regionp->getRegionID() << LL_ENDL;

-

-        regionp = NULL;

-        world_inst = NULL;

-        result = httpAdapter->postAndSuspend(httpRequest, url, capabilityNames);

-

-        LLSD httpResults = result["http_result"];

-        LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);

-        if (!status)

-        {

-            LL_WARNS("AppInit", "Capabilities") << "HttpStatus error " << LL_ENDL;

-            break;  // no retry

-        }

-

-        if (LLApp::isExiting() || gDisconnected)

-        {

-            break;

-        }

-

-        world_inst = LLWorld::getInstance();

-        if (!world_inst)

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Received capabilities, but world no longer exists!" << LL_ENDL;

-            return;

-        }

-

-        regionp = world_inst->getRegionFromHandle(regionHandle);

-        if (!regionp) //region was removed

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Received capabilities for region that no longer exists!" << LL_ENDL;

-            break; // this error condition is not recoverable.

-        }

-        LLViewerRegionImpl* impl = regionp->getRegionImplNC();

-

-        // remove the http_result from the llsd

-        result.erase("http_result");

-

-        LLSD::map_const_iterator iter;

-        for (iter = result.beginMap(); iter != result.endMap(); ++iter)

-        {

-            regionp->setCapabilityDebug(iter->first, iter->second);

-            //LL_INFOS()<<"BaseCapabilitiesCompleteTracker New Caps "<<iter->first<<" "<< iter->second<<LL_ENDL;

-        }

-

-#if 0

-        log_capabilities(impl->mCapabilities);

-#endif

-

-        if (impl->mCapabilities.size() != impl->mSecondCapabilitiesTracker.size())

-        {

-            LL_WARNS("AppInit", "Capabilities")

-                << "Sim sent duplicate base caps that differ in size from what we initially received - most likely content. "

-                << "mCapabilities == " << impl->mCapabilities.size()

-                << " mSecondCapabilitiesTracker == " << impl->mSecondCapabilitiesTracker.size()

-                << LL_ENDL;

-#ifdef DEBUG_CAPS_GRANTS

-            LL_WARNS("AppInit", "Capabilities")

-                << "Initial Base capabilities: " << LL_ENDL;

-

-            log_capabilities(impl->mCapabilities);

-

-            LL_WARNS("AppInit", "Capabilities")

-                << "Latest base capabilities: " << LL_ENDL;

-

-            log_capabilities(impl->mSecondCapabilitiesTracker);

-

-#endif

-

-            if (impl->mSecondCapabilitiesTracker.size() > impl->mCapabilities.size())

-            {

-                // *HACK Since we were granted more base capabilities in this grant request than the initial, replace

-                // the old with the new. This shouldn't happen i.e. we should always get the same capabilities from a

-                // sim. The simulator fix from SH-3895 should prevent it from happening, at least in the case of the

-                // inventory api capability grants.

-

-                // Need to clear a std::map before copying into it because old keys take precedence.

-                impl->mCapabilities.clear();

-                impl->mCapabilities = impl->mSecondCapabilitiesTracker;

-            }

-        }

-        else

-        {

-            LL_DEBUGS("CrossingCaps") << "Sim sent multiple base cap grants with matching sizes." << LL_ENDL;

-        }

-        impl->mSecondCapabilitiesTracker.clear();

-    }

-    while (false);

-}

-

-void LLViewerRegionImpl::requestSimulatorFeatureCoro(std::string url, U64 regionHandle)

-{

-    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);

-    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t

-        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("BaseCapabilitiesRequest", httpPolicy));

-    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);

-

-    LLViewerRegion *regionp = NULL;

-    S32 attemptNumber = 0;

-    // This loop is used for retrying a capabilities request.

-    do

-    {

-        ++attemptNumber;

-

-        if (attemptNumber > MAX_CAP_REQUEST_ATTEMPTS)

-        {

-            LL_WARNS("AppInit", "SimulatorFeatures") << "Retries count exceeded attempting to get Simulator feature from "

-                << url << LL_ENDL;

-            break;

-        }

-

-        LLWorld *world_inst = LLWorld::getInstance(); // Not a singleton!

-        if (!world_inst)

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Attempting to request Sim Feature, but world no longer exists!" << LL_ENDL;

-            return;

-        }

-

-        regionp = world_inst->getRegionFromHandle(regionHandle);

-        if (!regionp) //region was removed

-        {

-            LL_WARNS("AppInit", "SimulatorFeatures") << "Attempting to request Sim Feature for region that no longer exists!" << LL_ENDL;

-            break; // this error condition is not recoverable.

-        }

-

-        regionp = NULL;

-        world_inst = NULL;

-        LLSD result = httpAdapter->getAndSuspend(httpRequest, url);

-

-        LLSD httpResults = result["http_result"];

-        LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);

-        if (!status)

-        {

-            LL_WARNS("AppInit", "SimulatorFeatures") << "HttpStatus error retrying" << LL_ENDL;

-            continue;

-        }

-

-        if (LLApp::isExiting() || gDisconnected)

-        {

-            break;

-        }

-

-        // remove the http_result from the llsd

-        result.erase("http_result");

-

-        world_inst = LLWorld::getInstance();

-        if (!world_inst)

-        {

-            LL_WARNS("AppInit", "Capabilities") << "Attempting to request Sim Feature, but world no longer exists!" << LL_ENDL;

-            return;

-        }

-

-        regionp = world_inst->getRegionFromHandle(regionHandle);

-        if (!regionp) //region was removed

-        {

-            LL_WARNS("AppInit", "SimulatorFeatures") << "Attempting to set Sim Feature for region that no longer exists!" << LL_ENDL;

-            break; // this error condition is not recoverable.

-        }

-

-        regionp->setSimulatorFeatures(result);

-

-        break;

-    }

-    while (true);

-

-}

-

-LLViewerRegion::LLViewerRegion(const U64 &handle,

-                               const LLHost &host,

-                               const U32 grids_per_region_edge,

-                               const U32 grids_per_patch_edge,

-                               const F32 region_width_meters)

-:   mImpl(new LLViewerRegionImpl(this, host)),

-    mHandle(handle),

-    mTimeDilation(1.0f),

-    mName(""),

-    mZoning(""),

-    mIsEstateManager(false),

-    mRegionFlags( REGION_FLAGS_DEFAULT ),

-    mRegionProtocols( 0 ),

-    mSimAccess( SIM_ACCESS_MIN ),

-    mBillableFactor(1.0),

-    mMaxTasks(DEFAULT_MAX_REGION_WIDE_PRIM_COUNT),

-    mCentralBakeVersion(1),

-    mClassID(0),

-    mCPURatio(0),

-    mColoName("unknown"),

-    mProductSKU("unknown"),

-    mProductName("unknown"),

-    mViewerAssetUrl(""),

-    mCacheLoaded(false),

-    mCacheDirty(false),

-    mReleaseNotesRequested(false),

-    mCapabilitiesState(CAPABILITIES_STATE_INIT),

-    mSimulatorFeaturesReceived(false),

-    mBitsReceived(0.f),

-    mPacketsReceived(0.f),

-    mDead(false),

-    mLastVisitedEntry(NULL),

-    mInvisibilityCheckHistory(-1),

-    mPaused(false),

-    mRegionCacheHitCount(0),

-    mRegionCacheMissCount(0),

-    mInterestListMode(IL_MODE_DEFAULT)

-{

-    mWidth = region_width_meters;

-    mImpl->mOriginGlobal = from_region_handle(handle);

-    updateRenderMatrix();

-

-    mImpl->mLandp = new LLSurface('l', NULL);

-

-    // Create the composition layer for the surface

-    mImpl->mCompositionp =

-        new LLVLComposition(mImpl->mLandp,

-                            grids_per_region_edge,

-                            region_width_meters / grids_per_region_edge);

-    mImpl->mCompositionp->setSurface(mImpl->mLandp);

-

-    // Create the surfaces

-    mImpl->mLandp->setRegion(this);

-    mImpl->mLandp->create(grids_per_region_edge,

-                    grids_per_patch_edge,

-                    mImpl->mOriginGlobal,

-                    mWidth);

-

-    mParcelOverlay = new LLViewerParcelOverlay(this, region_width_meters);

-

-    setOriginGlobal(from_region_handle(handle));

-    calculateCenterGlobal();

-

-    // Create the object lists

-    initStats();

-

-    //create object partitions

-    //MUST MATCH declaration of eObjectPartitions

-    mImpl->mObjectPartition.push_back(new LLHUDPartition(this));        //PARTITION_HUD

-    mImpl->mObjectPartition.push_back(new LLTerrainPartition(this));    //PARTITION_TERRAIN

-    mImpl->mObjectPartition.push_back(new LLVoidWaterPartition(this));  //PARTITION_VOIDWATER

-    mImpl->mObjectPartition.push_back(new LLWaterPartition(this));      //PARTITION_WATER

-    mImpl->mObjectPartition.push_back(new LLTreePartition(this));       //PARTITION_TREE

-    mImpl->mObjectPartition.push_back(new LLParticlePartition(this));   //PARTITION_PARTICLE

-    mImpl->mObjectPartition.push_back(new LLGrassPartition(this));      //PARTITION_GRASS

-    mImpl->mObjectPartition.push_back(new LLVolumePartition(this)); //PARTITION_VOLUME

-    mImpl->mObjectPartition.push_back(new LLBridgePartition(this)); //PARTITION_BRIDGE

-    mImpl->mObjectPartition.push_back(new LLAvatarPartition(this)); //PARTITION_AVATAR

-    mImpl->mObjectPartition.push_back(new LLControlAVPartition(this));  //PARTITION_CONTROL_AV

-    mImpl->mObjectPartition.push_back(new LLHUDParticlePartition(this));//PARTITION_HUD_PARTICLE

-    mImpl->mObjectPartition.push_back(new LLVOCachePartition(this)); //PARTITION_VO_CACHE

-    mImpl->mObjectPartition.push_back(NULL);                    //PARTITION_NONE

-    mImpl->mVOCachePartition = getVOCachePartition();

-

-    setCapabilitiesReceivedCallback(boost::bind(&LLAvatarRenderInfoAccountant::scanNewRegion, _1));

-}

-

-

-void LLViewerRegion::initStats()

-{

-    mImpl->mLastNetUpdate.reset();

-    mPacketsIn = 0;

-    mBitsIn = (U32Bits)0;

-    mLastBitsIn = (U32Bits)0;

-    mLastPacketsIn = 0;

-    mPacketsOut = 0;

-    mLastPacketsOut = 0;

-    mPacketsLost = 0;

-    mLastPacketsLost = 0;

-    mPingDelay = (U32Seconds)0;

-    mAlive = false;                 // can become false if circuit disconnects

-}

-

-static LLTrace::BlockTimerStatHandle FTM_CLEANUP_REGION_OBJECTS("Cleanup Region Objects");

-static LLTrace::BlockTimerStatHandle FTM_SAVE_REGION_CACHE("Save Region Cache");

-

-LLViewerRegion::~LLViewerRegion()

-{

-    LL_PROFILE_ZONE_SCOPED;

-    mDead = true;

-    mImpl->mActiveSet.clear();

-    mImpl->mVisibleEntries.clear();

-    mImpl->mVisibleGroups.clear();

-    mImpl->mWaitingSet.clear();

-

-    gVLManager.cleanupData(this);

-    // Can't do this on destruction, because the neighbor pointers might be invalid.

-    // This should be reference counted...

-    disconnectAllNeighbors();

-    LLViewerPartSim::getInstance()->cleanupRegion(this);

-

-    {

-        LL_RECORD_BLOCK_TIME(FTM_CLEANUP_REGION_OBJECTS);

-        gObjectList.killObjects(this);

-    }

-

-    delete mImpl->mCompositionp;

-    delete mParcelOverlay;

-    delete mImpl->mLandp;

-    delete mImpl->mEventPoll;

-#if 0

-    LLHTTPSender::clearSender(mImpl->mHost);

-#endif

-    std::for_each(mImpl->mObjectPartition.begin(), mImpl->mObjectPartition.end(), DeletePointer());

-

-    {

-        LL_RECORD_BLOCK_TIME(FTM_SAVE_REGION_CACHE);

-        saveObjectCache();

-    }

-

-    delete mImpl;

-    mImpl = NULL;

-}

-

-/*virtual*/

-const LLHost&   LLViewerRegion::getHost() const

-{

-    return mImpl->mHost;

-}

-

-LLSurface & LLViewerRegion::getLand() const

-{

-    return *mImpl->mLandp;

-}

-

-const LLUUID& LLViewerRegion::getRegionID() const

-{

-    return mImpl->mRegionID;

-}

-

-void LLViewerRegion::setRegionID(const LLUUID& region_id)

-{

-    mImpl->mRegionID = region_id;

-}

-

-void LLViewerRegion::loadObjectCache()

-{

-    if (mCacheLoaded)

-    {

-        return;

-    }

-

-    // Presume success.  If it fails, we don't want to try again.

-    mCacheLoaded = true;

-

-    if(LLVOCache::instanceExists())

-    {

-        LLVOCache & vocache = LLVOCache::instance();

-        vocache.readFromCache(mHandle, mImpl->mCacheID, mImpl->mCacheMap);

-        vocache.readGenericExtrasFromCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesLLSD);

-

-        if (mImpl->mCacheMap.empty())

-        {

-            mCacheDirty = true;

-        }

-    }

-}

-

-

-void LLViewerRegion::saveObjectCache()

-{

-    if (!mCacheLoaded)

-    {

-        return;

-    }

-

-    if (mImpl->mCacheMap.empty())

-    {

-        return;

-    }

-

-    if(LLVOCache::instanceExists())

-    {

-        const F32 start_time_threshold = 600.0f; //seconds

-        bool removal_enabled = sVOCacheCullingEnabled && (mRegionTimer.getElapsedTimeF32() > start_time_threshold); //allow to remove invalid objects from object cache file.

-

-        LLVOCache & instance = LLVOCache::instance();

-

-        instance.writeToCache(mHandle, mImpl->mCacheID, mImpl->mCacheMap, mCacheDirty, removal_enabled);

-        instance.writeGenericExtrasToCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesLLSD, mCacheDirty, removal_enabled);

-        mCacheDirty = false;

-    }

-

-    if (LLAppViewer::instance()->isQuitting())

-    {

-        mImpl->mCacheMap.clear();

-    }

-    else

-    {

-        // Map of LLVOCacheEntry takes time to release, store map for cleanup on idle

-        sRegionCacheCleanup.insert(mImpl->mCacheMap.begin(), mImpl->mCacheMap.end());

-        mImpl->mCacheMap.clear();

-        // TODO - probably need to do the same for overrides cache

-    }

-}

-

-void LLViewerRegion::sendMessage()

-{

-    gMessageSystem->sendMessage(mImpl->mHost);

-}

-

-void LLViewerRegion::sendReliableMessage()

-{

-    gMessageSystem->sendReliable(mImpl->mHost);

-}

-

-void LLViewerRegion::setWaterHeight(F32 water_level)

-{

-    mImpl->mLandp->setWaterHeight(water_level);

-}

-

-F32 LLViewerRegion::getWaterHeight() const

-{

-    return mImpl->mLandp->getWaterHeight();

-}

-

-bool LLViewerRegion::isVoiceEnabled() const

-{

-    return getRegionFlag(REGION_FLAGS_ALLOW_VOICE);

-}

-

-void LLViewerRegion::setRegionFlags(U64 flags)

-{

-    mRegionFlags = flags;

-}

-

-

-void LLViewerRegion::setOriginGlobal(const LLVector3d &origin_global)

-{

-    mImpl->mOriginGlobal = origin_global;

-    updateRenderMatrix();

-    mImpl->mLandp->setOriginGlobal(origin_global);

-    mWind.setOriginGlobal(origin_global);

-    calculateCenterGlobal();

-}

-

-void LLViewerRegion::updateRenderMatrix()

-{

-    mRenderMatrix.setTranslation(getOriginAgent());

-}

-

-void LLViewerRegion::setTimeDilation(F32 time_dilation)

-{

-    mTimeDilation = time_dilation;

-}

-

-const LLVector3d & LLViewerRegion::getOriginGlobal() const

-{

-    return mImpl->mOriginGlobal;

-}

-

-LLVector3 LLViewerRegion::getOriginAgent() const

-{

-    return gAgent.getPosAgentFromGlobal(mImpl->mOriginGlobal);

-}

-

-const LLVector3d & LLViewerRegion::getCenterGlobal() const

-{

-    return mImpl->mCenterGlobal;

-}

-

-LLVector3 LLViewerRegion::getCenterAgent() const

-{

-    return gAgent.getPosAgentFromGlobal(mImpl->mCenterGlobal);

-}

-

-void LLViewerRegion::setOwner(const LLUUID& owner_id)

-{

-    mImpl->mOwnerID = owner_id;

-}

-

-const LLUUID& LLViewerRegion::getOwner() const

-{

-    return mImpl->mOwnerID;

-}

-

-void LLViewerRegion::setRegionNameAndZone   (const std::string& name_zone)

-{

-    std::string::size_type pipe_pos = name_zone.find('|');

-    S32 length   = name_zone.size();

-    if (pipe_pos != std::string::npos)

-    {

-        mName   = name_zone.substr(0, pipe_pos);

-        mZoning = name_zone.substr(pipe_pos+1, length-(pipe_pos+1));

-    }

-    else

-    {

-        mName   = name_zone;

-        mZoning = "";

-    }

-

-    LLStringUtil::stripNonprintable(mName);

-    LLStringUtil::stripNonprintable(mZoning);

-}

-

-bool LLViewerRegion::canManageEstate() const

-{

-    return gAgent.isGodlike()

-        || isEstateManager()

-        || gAgent.getID() == getOwner();

-}

-

-const std::string LLViewerRegion::getSimAccessString() const

-{

-    return accessToString(mSimAccess);

-}

-

-std::string LLViewerRegion::getLocalizedSimProductName() const

-{

-    std::string localized_spn;

-    return LLTrans::findString(localized_spn, mProductName) ? localized_spn : mProductName;

-}

-

-// static

-std::string LLViewerRegion::regionFlagsToString(U64 flags)

-{

-    std::string result;

-

-    if (flags & REGION_FLAGS_SANDBOX)

-    {

-        result += "Sandbox";

-    }

-

-    if (flags & REGION_FLAGS_ALLOW_DAMAGE)

-    {

-        result += " Not Safe";

-    }

-

-    return result;

-}

-

-// static

-std::string LLViewerRegion::accessToString(U8 sim_access)

-{

-    switch(sim_access)

-    {

-    case SIM_ACCESS_PG:

-        return LLTrans::getString("SIM_ACCESS_PG");

-

-    case SIM_ACCESS_MATURE:

-        return LLTrans::getString("SIM_ACCESS_MATURE");

-

-    case SIM_ACCESS_ADULT:

-        return LLTrans::getString("SIM_ACCESS_ADULT");

-

-    case SIM_ACCESS_DOWN:

-        return LLTrans::getString("SIM_ACCESS_DOWN");

-

-    case SIM_ACCESS_MIN:

-    default:

-        return LLTrans::getString("SIM_ACCESS_MIN");

-    }

-}

-

-// static

-std::string LLViewerRegion::getAccessIcon(U8 sim_access)

-{

-    switch(sim_access)

-    {

-    case SIM_ACCESS_MATURE:

-        return "Parcel_M_Dark";

-

-    case SIM_ACCESS_ADULT:

-        return "Parcel_R_Light";

-

-    case SIM_ACCESS_PG:

-        return "Parcel_PG_Light";

-

-    case SIM_ACCESS_MIN:

-    default:

-        return "";

-    }

-}

-

-// static

-std::string LLViewerRegion::accessToShortString(U8 sim_access)

-{

-    switch(sim_access)      /* Flawfinder: ignore */

-    {

-    case SIM_ACCESS_PG:

-        return "PG";

-

-    case SIM_ACCESS_MATURE:

-        return "M";

-

-    case SIM_ACCESS_ADULT:

-        return "A";

-

-    case SIM_ACCESS_MIN:

-    default:

-        return "U";

-    }

-}

-

-// static

-U8 LLViewerRegion::shortStringToAccess(const std::string &sim_access)

-{

-    U8 accessValue;

-

-    if (LLStringUtil::compareStrings(sim_access, "PG") == 0)

-    {

-        accessValue = SIM_ACCESS_PG;

-    }

-    else if (LLStringUtil::compareStrings(sim_access, "M") == 0)

-    {

-        accessValue = SIM_ACCESS_MATURE;

-    }

-    else if (LLStringUtil::compareStrings(sim_access, "A") == 0)

-    {

-        accessValue = SIM_ACCESS_ADULT;

-    }

-    else

-    {

-        accessValue = SIM_ACCESS_MIN;

-    }

-

-    return accessValue;

-}

-

-// static

-void LLViewerRegion::processRegionInfo(LLMessageSystem* msg, void**)

-{

-    // send it to 'observers'

-    // *TODO: switch the floaters to using LLRegionInfoModel

-    LL_INFOS() << "Processing region info" << LL_ENDL;

-    LLRegionInfoModel::instance().update(msg);

-    LLFloaterGodTools::processRegionInfo(msg);

-    LLFloaterRegionInfo::processRegionInfo(msg);

-}

-

-void LLViewerRegion::setCacheID(const LLUUID& id)

-{

-    mImpl->mCacheID = id;

-}

-

-void LLViewerRegion::renderPropertyLines()

-{

-    if (mParcelOverlay)

-    {

-        mParcelOverlay->renderPropertyLines();

-    }

-}

-

-void LLViewerRegion::renderPropertyLinesOnMinimap(F32 scale_pixels_per_meter, const F32 *parcel_outline_color)

-{

-    if (mParcelOverlay)

-    {

-        mParcelOverlay->renderPropertyLinesOnMinimap(scale_pixels_per_meter, parcel_outline_color);

-    }

-}

-

-

-// This gets called when the height field changes.

-void LLViewerRegion::dirtyHeights()

-{

-    // Property lines need to be reconstructed when the land changes.

-    if (mParcelOverlay)

-    {

-        mParcelOverlay->setDirty();

-    }

-}

-

-//physically delete the cache entry

-void LLViewerRegion::killCacheEntry(LLVOCacheEntry* entry, bool for_rendering)

-{

-    if(!entry || !entry->isValid())

-    {

-        return;

-    }

-

-    if(for_rendering && !entry->isState(LLVOCacheEntry::ACTIVE))

-    {

-        addNewObject(entry); //force to add to rendering pipeline

-    }

-

-    //remove from active list and waiting list

-    if(entry->isState(LLVOCacheEntry::ACTIVE))

-    {

-        mImpl->mActiveSet.erase(entry);

-    }

-    else

-    {

-        if(entry->isState(LLVOCacheEntry::WAITING))

-        {

-            mImpl->mWaitingSet.erase(entry);

-        }

-

-        //remove from mVOCachePartition

-        removeFromVOCacheTree(entry);

-    }

-

-    //remove from the forced visible list

-    mImpl->mVisibleEntries.erase(entry);

-

-    //disconnect from parent if it is a child

-    if(entry->getParentID() > 0)

-    {

-        LLVOCacheEntry* parent = getCacheEntry(entry->getParentID());

-        if(parent)

-        {

-            parent->removeChild(entry);

-        }

-    }

-    else if(entry->getNumOfChildren() > 0)//remove children from cache if has any

-    {

-        LLVOCacheEntry* child = entry->getChild();

-        while(child != NULL)

-        {

-            killCacheEntry(child, for_rendering);

-            child = entry->getChild();

-        }

-    }

-

-    //will remove it from the object cache, real deletion

-    entry->setState(LLVOCacheEntry::INACTIVE);

-    entry->removeOctreeEntry();

-    entry->setValid(false);

-

-    // TODO kill extras/material overrides cache too

-}

-

-//physically delete the cache entry

-void LLViewerRegion::killCacheEntry(U32 local_id)

-{

-    killCacheEntry(getCacheEntry(local_id));

-}

-

-U32 LLViewerRegion::getNumOfActiveCachedObjects() const

-{

-    return  mImpl->mActiveSet.size();

-}

-

-void LLViewerRegion::addActiveCacheEntry(LLVOCacheEntry* entry)

-{

-    if(!entry || mDead)

-    {

-        return;

-    }

-    if(entry->isState(LLVOCacheEntry::ACTIVE))

-    {

-        return; //already inserted.

-    }

-

-    if(entry->isState(LLVOCacheEntry::WAITING))

-    {

-        mImpl->mWaitingSet.erase(entry);

-    }

-

-    entry->setState(LLVOCacheEntry::ACTIVE);

-    entry->setVisible();

-

-    llassert(entry->getEntry()->hasDrawable());

-    mImpl->mActiveSet.insert(entry);

-}

-

-void LLViewerRegion::removeActiveCacheEntry(LLVOCacheEntry* entry, LLDrawable* drawablep)

-{

-    if(mDead || !entry || !entry->isValid())

-    {

-        return;

-    }

-    if(!entry->isState(LLVOCacheEntry::ACTIVE))

-    {

-        return; //not an active entry.

-    }

-

-    //shift to the local regional space from agent space

-    if(drawablep != NULL && drawablep->getVObj().notNull())

-    {

-        const LLVector3& pos = drawablep->getVObj()->getPositionRegion();

-        LLVector4a shift;

-        shift.load3(pos.mV);

-        shift.sub(entry->getPositionGroup());

-        entry->shift(shift);

-    }

-

-    if(entry->getParentID() > 0) //is a child

-    {

-        LLVOCacheEntry* parent = getCacheEntry(entry->getParentID());

-        if(parent)

-        {

-            parent->addChild(entry);

-        }

-        else //parent not in cache.

-        {

-            //this happens only when parent is not cacheable.

-            mOrphanMap[entry->getParentID()].push_back(entry->getLocalID());

-        }

-    }

-    else //insert to vo cache tree.

-    {

-        entry->updateParentBoundingInfo();

-        entry->saveBoundingSphere();

-        addToVOCacheTree(entry);

-    }

-

-    mImpl->mVisibleEntries.erase(entry);

-    mImpl->mActiveSet.erase(entry);

-    mImpl->mWaitingSet.erase(entry);

-    entry->setState(LLVOCacheEntry::INACTIVE);

-}

-

-bool LLViewerRegion::addVisibleGroup(LLViewerOctreeGroup* group)

-{

-    if(mDead || group->isEmpty())

-    {

-        return false;

-    }

-

-    mImpl->mVisibleGroups.insert(group);

-

-    return true;

-}

-

-U32 LLViewerRegion::getNumOfVisibleGroups() const

-{

-    return mImpl ? mImpl->mVisibleGroups.size() : 0;

-}

-

-void LLViewerRegion::updateReflectionProbes()

-{

-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;

-    const F32 probe_spacing = 32.f;

-    const F32 probe_radius = sqrtf((probe_spacing * 0.5f) * (probe_spacing * 0.5f) * 3.f);

-    const F32 hover_height = 2.f;

-

-    F32 start = probe_spacing * 0.5f;

-

-    U32 grid_width = REGION_WIDTH_METERS / probe_spacing;

-

-    mReflectionMaps.resize(grid_width * grid_width);

-

-    F32 water_height = getWaterHeight();

-    LLVector3 origin = getOriginAgent();

-

-    for (U32 i = 0; i < grid_width; ++i)

-    {

-        F32 x = i * probe_spacing + start;

-        for (U32 j = 0; j < grid_width; ++j)

-        {

-            F32 y = j * probe_spacing + start;

-

-            U32 idx = i * grid_width + j;

-

-            if (mReflectionMaps[idx].isNull())

-            {

-                mReflectionMaps[idx] = gPipeline.mReflectionMapManager.addProbe();

-            }

-

-            LLVector3 probe_origin = LLVector3(x, y, llmax(water_height, mImpl->mLandp->resolveHeightRegion(x, y)));

-            probe_origin.mV[2] += hover_height;

-            probe_origin += origin;

-

-            mReflectionMaps[idx]->mOrigin.load3(probe_origin.mV);

-            mReflectionMaps[idx]->mRadius = probe_radius;

-        }

-    }

-}

-

-void LLViewerRegion::addToVOCacheTree(LLVOCacheEntry* entry)

-{

-    if(!sVOCacheCullingEnabled)

-    {

-        return;

-    }

-

-    if(mDead || !entry || !entry->getEntry() || !entry->isValid())

-    {

-        return;

-    }

-    if(entry->getParentID() > 0)

-    {

-        return; //no child prim in cache octree.

-    }

-

-    if(entry->hasState(LLVOCacheEntry::IN_VO_TREE))

-    {

-        return; //already in the tree.

-    }

-

-    llassert_always(!entry->getGroup()); //not in octree.

-    llassert(!entry->getEntry()->hasDrawable()); //not have drawables

-

-    if(mImpl->mVOCachePartition->addEntry(entry->getEntry()))

-    {

-        entry->setState(LLVOCacheEntry::IN_VO_TREE);

-    }

-}

-

-void LLViewerRegion::removeFromVOCacheTree(LLVOCacheEntry* entry)

-{

-    if(mDead || !entry || !entry->getEntry())

-    {

-        return;

-    }

-

-    if(!entry->hasState(LLVOCacheEntry::IN_VO_TREE))

-    {

-        return; //not in the tree.

-    }

-    entry->clearState(LLVOCacheEntry::IN_VO_TREE);

-

-    mImpl->mVOCachePartition->removeEntry(entry->getEntry());

-}

-

-//add child objects as visible entries

-void LLViewerRegion::addVisibleChildCacheEntry(LLVOCacheEntry* parent, LLVOCacheEntry* child)

-{

-    if(mDead)

-    {

-        return;

-    }

-

-    if(parent && (!parent->isValid() || !parent->isState(LLVOCacheEntry::ACTIVE)))

-    {

-        return; //parent must be valid and in rendering pipeline

-    }

-

-    if(child && (!child->getEntry() || !child->isValid() || !child->isState(LLVOCacheEntry::INACTIVE)))

-    {

-        return; //child must be valid and not in the rendering pipeline

-    }

-

-    if(child)

-    {

-        child->setState(LLVOCacheEntry::IN_QUEUE);

-        mImpl->mVisibleEntries.insert(child);

-    }

-    else if(parent && parent->getNumOfChildren() > 0) //add all children

-    {

-        child = parent->getChild();

-        while(child != NULL)

-        {

-            addVisibleChildCacheEntry(NULL, child);

-            child = parent->getChild();

-        }

-    }

-}

-

-void LLViewerRegion::updateVisibleEntries(F32 max_time)

-{

-    if(mDead)

-    {

-        return;

-    }

-

-    if(mImpl->mVisibleGroups.empty() && mImpl->mVisibleEntries.empty())

-    {

-        return;

-    }

-

-    if(!sNewObjectCreationThrottle)

-    {

-        return;

-    }

-

-    const F32 LARGE_SCENE_CONTRIBUTION = 1000.f; //a large number to force to load the object.

-    const LLVector3 camera_origin = LLViewerCamera::getInstance()->getOrigin();

-    const U32 cur_frame = LLViewerOctreeEntryData::getCurrentFrame();

-    bool needs_update = ((cur_frame - mImpl->mLastCameraUpdate) > 5) && ((camera_origin - mImpl->mLastCameraOrigin).lengthSquared() > 10.f);

-    U32 last_update = mImpl->mLastCameraUpdate;

-    LLVector4a local_origin;

-    local_origin.load3((camera_origin - getOriginAgent()).mV);

-

-    //process visible entries

-    for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mVisibleEntries.begin(); iter != mImpl->mVisibleEntries.end();)

-    {

-        LLVOCacheEntry* vo_entry = *iter;

-

-        if(vo_entry->isValid() && vo_entry->getState() < LLVOCacheEntry::WAITING)

-        {

-            //set a large number to force to load this object.

-            vo_entry->setSceneContribution(LARGE_SCENE_CONTRIBUTION);

-

-            mImpl->mWaitingList.insert(vo_entry);

-            ++iter;

-        }

-        else

-        {

-            LLVOCacheEntry::vocache_entry_set_t::iterator next_iter = iter;

-            ++next_iter;

-            mImpl->mVisibleEntries.erase(iter);

-            iter = next_iter;

-        }

-    }

-

-    //

-    //process visible groups

-    //

-    //object projected area threshold

-    F32 projection_threshold = LLVOCacheEntry::getSquaredPixelThreshold(mImpl->mVOCachePartition->isFrontCull());

-    F32 dist_threshold = mImpl->mVOCachePartition->isFrontCull() ? gAgentCamera.mDrawDistance : LLVOCacheEntry::sRearFarRadius;

-

-    std::set< LLPointer<LLViewerOctreeGroup> >::iterator group_iter = mImpl->mVisibleGroups.begin();

-    for(; group_iter != mImpl->mVisibleGroups.end(); ++group_iter)

-    {

-        LLPointer<LLViewerOctreeGroup> group = *group_iter;

-        if(group->getNumRefs() < 3 || //group to be deleted

-            !group->getOctreeNode() || group->isEmpty()) //group empty

-        {

-            continue;

-        }

-

-        for (LLViewerOctreeGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)

-        {

-            if((*i)->hasVOCacheEntry())

-            {

-                LLVOCacheEntry* vo_entry = (LLVOCacheEntry*)(*i)->getVOCacheEntry();

-

-                if(vo_entry->getParentID() > 0) //is a child

-                {

-                    //child visibility depends on its parent.

-                    continue;

-                }

-                if(!vo_entry->isValid())

-                {

-                    continue; //skip invalid entry.

-                }

-

-                vo_entry->calcSceneContribution(local_origin, needs_update, last_update, dist_threshold);

-                if(vo_entry->getSceneContribution() > projection_threshold)

-                {

-                    mImpl->mWaitingList.insert(vo_entry);

-                }

-            }

-        }

-    }

-

-    if(needs_update)

-    {

-        mImpl->mLastCameraOrigin = camera_origin;

-        mImpl->mLastCameraUpdate = cur_frame;

-    }

-

-    return;

-}

-

-void LLViewerRegion::createVisibleObjects(F32 max_time)

-{

-    if(mDead)

-    {

-        return;

-    }

-    if(mImpl->mWaitingList.empty())

-    {

-        mImpl->mVOCachePartition->setCullHistory(false);

-        return;

-    }

-

-    S32 throttle = sNewObjectCreationThrottle;

-    bool has_new_obj = false;

-    LLTimer update_timer;

-    for(LLVOCacheEntry::vocache_entry_priority_list_t::iterator iter = mImpl->mWaitingList.begin();

-        iter != mImpl->mWaitingList.end(); ++iter)

-    {

-        LLVOCacheEntry* vo_entry = *iter;

-

-        if(vo_entry->getState() < LLVOCacheEntry::WAITING)

-        {

-            addNewObject(vo_entry);

-            has_new_obj = true;

-            if(throttle > 0 && !(--throttle) && update_timer.getElapsedTimeF32() > max_time)

-            {

-                break;

-            }

-        }

-    }

-

-    mImpl->mVOCachePartition->setCullHistory(has_new_obj);

-

-    return;

-}

-

-void LLViewerRegion::clearCachedVisibleObjects()

-{

-    mImpl->mWaitingList.clear();

-    mImpl->mVisibleGroups.clear();

-

-    //reset all occluders

-    mImpl->mVOCachePartition->resetOccluders();

-    mPaused = true;

-

-    //clean visible entries

-    for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mVisibleEntries.begin(); iter != mImpl->mVisibleEntries.end();)

-    {

-        LLVOCacheEntry* entry = *iter;

-        LLVOCacheEntry* parent = getCacheEntry(entry->getParentID());

-

-        if(!entry->getParentID() || parent) //no child or parent is cache-able

-        {

-            if(parent) //has a cache-able parent

-            {

-                parent->addChild(entry);

-            }

-

-            LLVOCacheEntry::vocache_entry_set_t::iterator next_iter = iter;

-            ++next_iter;

-            mImpl->mVisibleEntries.erase(iter);

-            iter = next_iter;

-        }

-        else //parent is not cache-able, leave it.

-        {

-            ++iter;

-        }

-    }

-

-    //remove all visible entries.

-    mLastVisitedEntry = NULL;

-    std::vector<LLDrawable*> delete_list;

-    for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mActiveSet.begin();

-        iter != mImpl->mActiveSet.end(); ++iter)

-    {

-        LLVOCacheEntry* vo_entry = *iter;

-        if (!vo_entry || !vo_entry->getEntry())

-        {

-            continue;

-        }

-        LLDrawable* drawablep = (LLDrawable*)vo_entry->getEntry()->getDrawable();

-

-        if(drawablep && !drawablep->getParent())

-        {

-            delete_list.push_back(drawablep);

-        }

-    }

-

-    if(!delete_list.empty())

-    {

-        for(S32 i = 0; i < delete_list.size(); i++)

-        {

-            gObjectList.killObject(delete_list[i]->getVObj());

-        }

-        delete_list.clear();

-    }

-

-    return;

-}

-

-//perform some necessary but very light updates.

-//to replace the function idleUpdate(...) in case there is no enough time.

-void LLViewerRegion::lightIdleUpdate()

-{

-    if(!sVOCacheCullingEnabled)

-    {

-        return;

-    }

-    if(mImpl->mCacheMap.empty())

-    {

-        return;

-    }

-

-    //reset all occluders

-    mImpl->mVOCachePartition->resetOccluders();

-}

-

-void LLViewerRegion::idleUpdate(F32 max_update_time)

-{

-    LL_PROFILE_ZONE_SCOPED;

-    LLTimer update_timer;

-    F32 max_time;

-

-    mLastUpdate = LLViewerOctreeEntryData::getCurrentFrame();

-

-    mImpl->mLandp->idleUpdate(max_update_time);

-

-    if (mParcelOverlay)

-    {

-        // Hopefully not a significant time sink...

-        mParcelOverlay->idleUpdate();

-    }

-

-    if(!sVOCacheCullingEnabled)

-    {

-        return;

-    }

-    if(mImpl->mCacheMap.empty())

-    {

-        return;

-    }

-    if(mPaused)

-    {

-        mPaused = false; //unpause.

-    }

-

-    LLViewerCamera::eCameraID old_camera_id = LLViewerCamera::sCurCameraID;

-    LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;

-

-    //reset all occluders

-    mImpl->mVOCachePartition->resetOccluders();

-

-    max_time = max_update_time - update_timer.getElapsedTimeF32();

-

-    //kill invisible objects

-    killInvisibleObjects(max_time * 0.4f);

-    max_time = max_update_time - update_timer.getElapsedTimeF32();

-

-    updateVisibleEntries(max_time);

-    max_time = max_update_time - update_timer.getElapsedTimeF32();

-

-    createVisibleObjects(max_time);

-

-    mImpl->mWaitingList.clear();

-    mImpl->mVisibleGroups.clear();

-

-    LLViewerCamera::sCurCameraID = old_camera_id;

-    return;

-}

-

-// static

-void LLViewerRegion::idleCleanup(F32 max_update_time)

-{

-    LLTimer update_timer;

-    while (!sRegionCacheCleanup.empty() && (max_update_time - update_timer.getElapsedTimeF32() > 0))

-    {

-        sRegionCacheCleanup.erase(sRegionCacheCleanup.begin());

-    }

-}

-

-//update the throttling number for new object creation

-void LLViewerRegion::calcNewObjectCreationThrottle()

-{

-    static LLCachedControl<S32> new_object_creation_throttle(gSavedSettings,"NewObjectCreationThrottle");

-    static LLCachedControl<F32> throttle_delay_time(gSavedSettings,"NewObjectCreationThrottleDelayTime");

-    static LLFrameTimer timer;

-

-    //

-    //sNewObjectCreationThrottle =

-    //-2: throttle is disabled because either the screen is showing progress view, or immediate after the screen is not black

-    //-1: throttle is disabled by the debug setting

-    //0:  no new object creation is allowed

-    //>0: valid throttling number

-    //

-

-    if(gViewerWindow->getProgressView()->getVisible() && throttle_delay_time > 0.f)

-    {

-        sNewObjectCreationThrottle = -2; //cancel the throttling

-        timer.reset();

-    }

-    else if(sNewObjectCreationThrottle < -1) //just recoved from the login/teleport screen

-    {

-        if(timer.getElapsedTimeF32() > throttle_delay_time) //wait for throttle_delay_time to reset the throttle

-        {

-            sNewObjectCreationThrottle = new_object_creation_throttle; //reset

-            if(sNewObjectCreationThrottle < -1)

-            {

-                sNewObjectCreationThrottle = -1;

-            }

-        }

-    }

-

-    //update some LLVOCacheEntry debug setting factors.

-    LLVOCacheEntry::updateDebugSettings();

-}

-

-bool LLViewerRegion::isViewerCameraStatic()

-{

-    return sLastCameraUpdated < LLViewerOctreeEntryData::getCurrentFrame();

-}

-

-void LLViewerRegion::killInvisibleObjects(F32 max_time)

-{

-#if 1 // TODO: kill this.  This is ill-conceived, objects that aren't in the camera frustum should not be deleted from memory.

-        // because of this, every time you turn around the simulator sends a swarm of full object update messages from cache

-    // probe misses and objects have to be reloaded from scratch.  From some reason, disabling this causes holes to

-    // appear in the scene when flying back and forth between regions

-    if(!sVOCacheCullingEnabled)

-    {

-        return;

-    }

-    if(mImpl->mActiveSet.empty())

-    {

-        return;

-    }

-    if(sNewObjectCreationThrottle < 0)

-    {

-        return;

-    }

-

-    LLTimer update_timer;

-    LLVector4a camera_origin;

-    camera_origin.load3(LLViewerCamera::getInstance()->getOrigin().mV);

-    LLVector4a local_origin;

-    local_origin.load3((LLViewerCamera::getInstance()->getOrigin() - getOriginAgent()).mV);

-    F32 back_threshold = LLVOCacheEntry::sRearFarRadius;

-

-    size_t max_update = 64;

-    if(!mInvisibilityCheckHistory && isViewerCameraStatic())

-    {

-        //history is clean, reduce number of checking

-        max_update /= 2;

-    }

-

-    std::vector<LLDrawable*> delete_list;

-    S32 update_counter = llmin(max_update, mImpl->mActiveSet.size());

-    LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mActiveSet.upper_bound(mLastVisitedEntry);

-

-    for(; update_counter > 0; --update_counter, ++iter)

-    {

-        if(iter == mImpl->mActiveSet.end())

-        {

-            iter = mImpl->mActiveSet.begin();

-        }

-        if((*iter)->getParentID() > 0)

-        {

-            continue; //skip child objects, they are removed with their parent.

-        }

-

-        LLVOCacheEntry* vo_entry = *iter;

-        if(!vo_entry->isAnyVisible(camera_origin, local_origin, back_threshold) && vo_entry->mLastCameraUpdated < sLastCameraUpdated)

-        {

-            killObject(vo_entry, delete_list);

-        }

-

-        if(max_time < update_timer.getElapsedTimeF32()) //time out

-        {

-            break;

-        }

-    }

-

-    if(iter == mImpl->mActiveSet.end())

-    {

-        mLastVisitedEntry = NULL;

-    }

-    else

-    {

-        mLastVisitedEntry = *iter;

-    }

-

-    mInvisibilityCheckHistory <<= 1;

-    if(!delete_list.empty())

-    {

-        mInvisibilityCheckHistory |= 1;

-        S32 count = delete_list.size();

-        for(S32 i = 0; i < count; i++)

-        {

-            gObjectList.killObject(delete_list[i]->getVObj());

-        }

-        delete_list.clear();

-    }

-

-    return;

-#endif

-}

-

-void LLViewerRegion::killObject(LLVOCacheEntry* entry, std::vector<LLDrawable*>& delete_list)

-{

-    //kill the object.

-    LLDrawable* drawablep = (LLDrawable*)entry->getEntry()->getDrawable();

-    llassert(drawablep);

-    llassert(drawablep->getRegion() == this);

-

-    if(drawablep && !drawablep->getParent())

-    {

-        LLViewerObject* v_obj = drawablep->getVObj();

-        if (v_obj->isSelected()

-            || (v_obj->flagAnimSource() && isAgentAvatarValid() && gAgentAvatarp->hasMotionFromSource(v_obj->getID())))

-        {

-            // do not remove objects user is interacting with

-            ((LLViewerOctreeEntryData*)drawablep)->setVisible();

-            return;

-        }

-        LLViewerObject::const_child_list_t& child_list = v_obj->getChildren();

-        for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();

-            iter != child_list.end(); iter++)

-        {

-            LLViewerObject* child = *iter;

-            if(child->mDrawable)

-            {

-                if( !child->mDrawable->getEntry()

-                    || !child->mDrawable->getEntry()->hasVOCacheEntry()

-                    || child->isSelected()

-                    || (child->flagAnimSource() && isAgentAvatarValid() && gAgentAvatarp->hasMotionFromSource(child->getID())))

-                {

-                    //do not remove parent if any of its children non-cacheable, animating or selected

-                    //especially for the case that an avatar sits on a cache-able object

-                    ((LLViewerOctreeEntryData*)drawablep)->setVisible();

-                    return;

-                }

-

-                LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)child->mDrawable->getGroup();

-                if(group && group->isAnyRecentlyVisible())

-                {

-                    //set the parent visible if any of its children visible.

-                    ((LLViewerOctreeEntryData*)drawablep)->setVisible();

-                    return;

-                }

-            }

-        }

-        delete_list.push_back(drawablep);

-    }

-}

-

-LLViewerObject* LLViewerRegion::addNewObject(LLVOCacheEntry* entry)

-{

-    if(!entry || !entry->getEntry())

-    {

-        if(entry)

-        {

-            mImpl->mVisibleEntries.erase(entry);

-            entry->setState(LLVOCacheEntry::INACTIVE);

-        }

-        return NULL;

-    }

-

-    LLViewerObject* obj = NULL;

-    if(!entry->getEntry()->hasDrawable()) //not added to the rendering pipeline yet

-    {

-        //add the object

-        obj = gObjectList.processObjectUpdateFromCache(entry, this);

-        if(obj)

-        {

-            if(!entry->isState(LLVOCacheEntry::ACTIVE))

-            {

-                mImpl->mWaitingSet.insert(entry);

-                entry->setState(LLVOCacheEntry::WAITING);

-            }

-        }

-    }

-    else

-    {

-        LLViewerRegion* old_regionp = ((LLDrawable*)entry->getEntry()->getDrawable())->getRegion();

-        if(old_regionp != this)

-        {

-            //this object exists in two regions at the same time;

-            //this case can be safely ignored here because

-            //server should soon send update message to remove one region for this object.

-

-            LL_WARNS() << "Entry: " << entry->getLocalID() << " exists in two regions at the same time." << LL_ENDL;

-            return NULL;

-        }

-

-        LL_WARNS() << "Entry: " << entry->getLocalID() << " in rendering pipeline but not set to be active." << LL_ENDL;

-

-        //should not hit here any more, but does not hurt either, just put it back to active list

-        addActiveCacheEntry(entry);

-    }

-

-    return obj;

-}

-

-//update object cache if the object receives a full-update or terse update

-//update_type == EObjectUpdateType::OUT_TERSE_IMPROVED or EObjectUpdateType::OUT_FULL

-LLViewerObject* LLViewerRegion::updateCacheEntry(U32 local_id, LLViewerObject* objectp)

-{

-    LLVOCacheEntry* entry = getCacheEntry(local_id);

-    if (!entry)

-    {

-        return objectp; //not in the cache, do nothing.

-    }

-    if(!objectp) //object not created

-    {

-        //create a new object from cache.

-        objectp = addNewObject(entry);

-    }

-

-    //remove from cache.

-    killCacheEntry(entry, true);

-

-    return objectp;

-}

-

-// As above, but forcibly do the update.

-void LLViewerRegion::forceUpdate()

-{

-    mImpl->mLandp->idleUpdate(0.f);

-

-    if (mParcelOverlay)

-    {

-        mParcelOverlay->idleUpdate(true);

-    }

-}

-

-void LLViewerRegion::connectNeighbor(LLViewerRegion *neighborp, U32 direction)

-{

-    mImpl->mLandp->connectNeighbor(neighborp->mImpl->mLandp, direction);

-}

-

-

-void LLViewerRegion::disconnectAllNeighbors()

-{

-    mImpl->mLandp->disconnectAllNeighbors();

-}

-

-LLVLComposition * LLViewerRegion::getComposition() const

-{

-    return mImpl->mCompositionp;

-}

-

-F32 LLViewerRegion::getCompositionXY(const S32 x, const S32 y) const

-{

-    if (x >= 256)

-    {

-        if (y >= 256)

-        {

-            LLVector3d center = getCenterGlobal() + LLVector3d(256.f, 256.f, 0.f);

-            LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(center);

-            if (regionp)

-            {

-                // OK, we need to do some hackery here - different simulators no longer use

-                // the same composition values, necessarily.

-                // If we're attempting to blend, then we want to make the fractional part of

-                // this region match the fractional of the adjacent.  For now, just minimize

-                // the delta.

-                F32 our_comp = getComposition()->getValueScaled(255, 255);

-                F32 adj_comp = regionp->getComposition()->getValueScaled(x - 256.f, y - 256.f);

-                while (llabs(our_comp - adj_comp) >= 1.f)

-                {

-                    if (our_comp > adj_comp)

-                    {

-                        adj_comp += 1.f;

-                    }

-                    else

-                    {

-                        adj_comp -= 1.f;

-                    }

-                }

-                return adj_comp;

-            }

-        }

-        else

-        {

-            LLVector3d center = getCenterGlobal() + LLVector3d(256.f, 0, 0.f);

-            LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(center);

-            if (regionp)

-            {

-                // OK, we need to do some hackery here - different simulators no longer use

-                // the same composition values, necessarily.

-                // If we're attempting to blend, then we want to make the fractional part of

-                // this region match the fractional of the adjacent.  For now, just minimize

-                // the delta.

-                F32 our_comp = getComposition()->getValueScaled(255.f, (F32)y);

-                F32 adj_comp = regionp->getComposition()->getValueScaled(x - 256.f, (F32)y);

-                while (llabs(our_comp - adj_comp) >= 1.f)

-                {

-                    if (our_comp > adj_comp)

-                    {

-                        adj_comp += 1.f;

-                    }

-                    else

-                    {

-                        adj_comp -= 1.f;

-                    }

-                }

-                return adj_comp;

-            }

-        }

-    }

-    else if (y >= 256)

-    {

-        LLVector3d center = getCenterGlobal() + LLVector3d(0.f, 256.f, 0.f);

-        LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(center);

-        if (regionp)

-        {

-            // OK, we need to do some hackery here - different simulators no longer use

-            // the same composition values, necessarily.

-            // If we're attempting to blend, then we want to make the fractional part of

-            // this region match the fractional of the adjacent.  For now, just minimize

-            // the delta.

-            F32 our_comp = getComposition()->getValueScaled((F32)x, 255.f);

-            F32 adj_comp = regionp->getComposition()->getValueScaled((F32)x, y - 256.f);

-            while (llabs(our_comp - adj_comp) >= 1.f)

-            {

-                if (our_comp > adj_comp)

-                {

-                    adj_comp += 1.f;

-                }

-                else

-                {

-                    adj_comp -= 1.f;

-                }

-            }

-            return adj_comp;

-        }

-    }

-

-    return getComposition()->getValueScaled((F32)x, (F32)y);

-}

-

-void LLViewerRegion::calculateCenterGlobal()

-{

-    mImpl->mCenterGlobal = mImpl->mOriginGlobal;

-    mImpl->mCenterGlobal.mdV[VX] += 0.5 * mWidth;

-    mImpl->mCenterGlobal.mdV[VY] += 0.5 * mWidth;

-    mImpl->mCenterGlobal.mdV[VZ] = 0.5 * mImpl->mLandp->getMinZ() + mImpl->mLandp->getMaxZ();

-}

-

-void LLViewerRegion::calculateCameraDistance()

-{

-    mCameraDistanceSquared = (F32)(gAgentCamera.getCameraPositionGlobal() - getCenterGlobal()).magVecSquared();

-}

-

-std::ostream& operator<<(std::ostream &s, const LLViewerRegion &region)

-{

-    s << "{ ";

-    s << region.mImpl->mHost;

-    s << " mOriginGlobal = " << region.getOriginGlobal()<< "\n";

-    std::string name(region.getName()), zone(region.getZoning());

-    if (! name.empty())

-    {

-        s << " mName         = " << name << '\n';

-    }

-    if (! zone.empty())

-    {

-        s << " mZoning       = " << zone << '\n';

-    }

-    s << "}";

-    return s;

-}

-

-

-// ---------------- Protected Member Functions ----------------

-

-void LLViewerRegion::updateNetStats()

-{

-    F32 dt = mImpl->mLastNetUpdate.getElapsedTimeAndResetF32();

-

-    LLCircuitData *cdp = gMessageSystem->mCircuitInfo.findCircuit(mImpl->mHost);

-    if (!cdp)

-    {

-        mAlive = false;

-        return;

-    }

-

-    mAlive = true;

-    mDeltaTime = dt;

-

-    mLastPacketsIn =    mPacketsIn;

-    mLastBitsIn =       mBitsIn;

-    mLastPacketsOut =   mPacketsOut;

-    mLastPacketsLost =  mPacketsLost;

-

-    mPacketsIn =                cdp->getPacketsIn();

-    mBitsIn =                   8 * cdp->getBytesIn();

-    mPacketsOut =               cdp->getPacketsOut();

-    mPacketsLost =              cdp->getPacketsLost();

-    mPingDelay =                cdp->getPingDelay();

-

-    mBitsReceived += mBitsIn - mLastBitsIn;

-    mPacketsReceived += mPacketsIn - mLastPacketsIn;

-}

-

-

-U32 LLViewerRegion::getPacketsLost() const

-{

-    LLCircuitData *cdp = gMessageSystem->mCircuitInfo.findCircuit(mImpl->mHost);

-    if (!cdp)

-    {

-        LL_INFOS() << "LLViewerRegion::getPacketsLost couldn't find circuit for " << mImpl->mHost << LL_ENDL;

-        return 0;

-    }

-    else

-    {

-        return cdp->getPacketsLost();

-    }

-}

-

-S32 LLViewerRegion::getHttpResponderID() const

-{

-    return mImpl->mHttpResponderID;

-}

-

-bool LLViewerRegion::pointInRegionGlobal(const LLVector3d &point_global) const

-{

-    LLVector3 pos_region = getPosRegionFromGlobal(point_global);

-

-    if (pos_region.mV[VX] < 0)

-    {

-        return false;

-    }

-    if (pos_region.mV[VX] >= mWidth)

-    {

-        return false;

-    }

-    if (pos_region.mV[VY] < 0)

-    {

-        return false;

-    }

-    if (pos_region.mV[VY] >= mWidth)

-    {

-        return false;

-    }

-    return true;

-}

-

-LLVector3 LLViewerRegion::getPosRegionFromGlobal(const LLVector3d &point_global) const

-{

-    LLVector3 pos_region;

-    pos_region.setVec(point_global - mImpl->mOriginGlobal);

-    return pos_region;

-}

-

-LLVector3d LLViewerRegion::getPosGlobalFromRegion(const LLVector3 &pos_region) const

-{

-    LLVector3d pos_region_d;

-    pos_region_d.setVec(pos_region);

-    return pos_region_d + mImpl->mOriginGlobal;

-}

-

-LLVector3 LLViewerRegion::getPosAgentFromRegion(const LLVector3 &pos_region) const

-{

-    LLVector3d pos_global = getPosGlobalFromRegion(pos_region);

-

-    return gAgent.getPosAgentFromGlobal(pos_global);

-}

-

-LLVector3 LLViewerRegion::getPosRegionFromAgent(const LLVector3 &pos_agent) const

-{

-    return pos_agent - getOriginAgent();

-}

-

-F32 LLViewerRegion::getLandHeightRegion(const LLVector3& region_pos)

-{

-    return mImpl->mLandp->resolveHeightRegion( region_pos );

-}

-

-bool LLViewerRegion::isAlive()

-{

-    return mAlive;

-}

-

-bool LLViewerRegion::isOwnedSelf(const LLVector3& pos)

-{

-    if (mParcelOverlay)

-    {

-        return mParcelOverlay->isOwnedSelf(pos);

-    } else {

-        return false;

-    }

-}

-

-// Owned by a group you belong to?  (officer or member)

-bool LLViewerRegion::isOwnedGroup(const LLVector3& pos)

-{

-    if (mParcelOverlay)

-    {

-        return mParcelOverlay->isOwnedGroup(pos);

-    } else {

-        return false;

-    }

-}

-

-// the new TCP coarse location handler node

-class CoarseLocationUpdate : public LLHTTPNode

-{

-public:

-    virtual void post(

-        ResponsePtr responder,

-        const LLSD& context,

-        const LLSD& input) const

-    {

-        LLHost host(input["sender"].asString());

-

-        LLWorld *world_inst = LLWorld::getInstance(); // Not a singleton!

-        if (!world_inst)

-        {

-            return;

-        }

-

-        LLViewerRegion* region = world_inst->getRegion(host);

-        if( !region )

-        {

-            return;

-        }

-

-        S32 target_index = input["body"]["Index"][0]["Prey"].asInteger();

-        S32 you_index    = input["body"]["Index"][0]["You" ].asInteger();

-

-        std::vector<U32>* avatar_locs = &region->mMapAvatars;

-        std::vector<LLUUID>* avatar_ids = &region->mMapAvatarIDs;

-        avatar_locs->clear();

-        avatar_ids->clear();

-

-        //LL_INFOS() << "coarse locations agent[0] " << input["body"]["AgentData"][0]["AgentID"].asUUID() << LL_ENDL;

-        //LL_INFOS() << "my agent id = " << gAgent.getID() << LL_ENDL;

-        //LL_INFOS() << ll_pretty_print_sd(input) << LL_ENDL;

-

-        LLSD

-            locs   = input["body"]["Location"],

-            agents = input["body"]["AgentData"];

-        LLSD::array_iterator

-            locs_it = locs.beginArray(),

-            agents_it = agents.beginArray();

-        bool has_agent_data = input["body"].has("AgentData");

-

-        for(int i=0;

-            locs_it != locs.endArray();

-            i++, locs_it++)

-        {

-            U8

-                x = locs_it->get("X").asInteger(),

-                y = locs_it->get("Y").asInteger(),

-                z = locs_it->get("Z").asInteger();

-            // treat the target specially for the map, and don't add you or the target

-            if(i == target_index)

-            {

-                LLVector3d global_pos(region->getOriginGlobal());

-                global_pos.mdV[VX] += (F64)x;

-                global_pos.mdV[VY] += (F64)y;

-                global_pos.mdV[VZ] += (F64)z * 4.0;

-                LLAvatarTracker::instance().setTrackedCoarseLocation(global_pos);

-            }

-            else if( i != you_index)

-            {

-                U32 pos = 0x0;

-                pos |= x;

-                pos <<= 8;

-                pos |= y;

-                pos <<= 8;

-                pos |= z;

-                avatar_locs->push_back(pos);

-                //LL_INFOS() << "next pos: " << x << "," << y << "," << z << ": " << pos << LL_ENDL;

-                if(has_agent_data) // for backwards compatibility with old message format

-                {

-                    LLUUID agent_id(agents_it->get("AgentID").asUUID());

-                    //LL_INFOS() << "next agent: " << agent_id.asString() << LL_ENDL;

-                    avatar_ids->push_back(agent_id);

-                }

-            }

-            if (has_agent_data)

-            {

-                agents_it++;

-            }

-        }

-    }

-};

-

-// build the coarse location HTTP node under the "/message" URL

-LLHTTPRegistration<CoarseLocationUpdate>

-   gHTTPRegistrationCoarseLocationUpdate(

-       "/message/CoarseLocationUpdate");

-

-

-// the deprecated coarse location handler

-void LLViewerRegion::updateCoarseLocations(LLMessageSystem* msg)

-{

-    //LL_INFOS() << "CoarseLocationUpdate" << LL_ENDL;

-    mMapAvatars.clear();

-    mMapAvatarIDs.clear(); // only matters in a rare case but it's good to be safe.

-

-    U8 x_pos = 0;

-    U8 y_pos = 0;

-    U8 z_pos = 0;

-

-    U32 pos = 0x0;

-

-    S16 agent_index;

-    S16 target_index;

-    msg->getS16Fast(_PREHASH_Index, _PREHASH_You, agent_index);

-    msg->getS16Fast(_PREHASH_Index, _PREHASH_Prey, target_index);

-

-    bool has_agent_data = msg->has(_PREHASH_AgentData);

-    S32 count = msg->getNumberOfBlocksFast(_PREHASH_Location);

-    for(S32 i = 0; i < count; i++)

-    {

-        msg->getU8Fast(_PREHASH_Location, _PREHASH_X, x_pos, i);

-        msg->getU8Fast(_PREHASH_Location, _PREHASH_Y, y_pos, i);

-        msg->getU8Fast(_PREHASH_Location, _PREHASH_Z, z_pos, i);

-        LLUUID agent_id = LLUUID::null;

-        if(has_agent_data)

-        {

-            msg->getUUIDFast(_PREHASH_AgentData, _PREHASH_AgentID, agent_id, i);

-        }

-

-        //LL_INFOS() << "  object X: " << (S32)x_pos << " Y: " << (S32)y_pos

-        //      << " Z: " << (S32)(z_pos * 4)

-        //      << LL_ENDL;

-

-        // treat the target specially for the map

-        if(i == target_index)

-        {

-            LLVector3d global_pos(mImpl->mOriginGlobal);

-            global_pos.mdV[VX] += (F64)(x_pos);

-            global_pos.mdV[VY] += (F64)(y_pos);

-            global_pos.mdV[VZ] += (F64)(z_pos) * 4.0;

-            LLAvatarTracker::instance().setTrackedCoarseLocation(global_pos);

-        }

-

-        //don't add you

-        if( i != agent_index)

-        {

-            pos = 0x0;

-            pos |= x_pos;

-            pos <<= 8;

-            pos |= y_pos;

-            pos <<= 8;

-            pos |= z_pos;

-            mMapAvatars.push_back(pos);

-            if(has_agent_data)

-            {

-                mMapAvatarIDs.push_back(agent_id);

-            }

-        }

-    }

-}

-

-void LLViewerRegion::getInfo(LLSD& info)

-{

-    info["Region"]["Host"] = getHost().getIPandPort();

-    info["Region"]["Name"] = getName();

-    U32 x, y;

-    from_region_handle(getHandle(), &x, &y);

-    info["Region"]["Handle"]["x"] = (LLSD::Integer)x;

-    info["Region"]["Handle"]["y"] = (LLSD::Integer)y;

-}

-

-void LLViewerRegion::requestSimulatorFeatures()

-{

-    LL_DEBUGS("SimulatorFeatures") << "region " << getName() << " ptr " << this

-                                   << " trying to request SimulatorFeatures" << LL_ENDL;

-    // kick off a request for simulator features

-    std::string url = getCapability("SimulatorFeatures");

-    if (!url.empty())

-    {

-        std::string coroname =

-            LLCoros::instance().launch("LLViewerRegionImpl::requestSimulatorFeatureCoro",

-                                       boost::bind(&LLViewerRegionImpl::requestSimulatorFeatureCoro, url, getHandle()));

-

-        // requestSimulatorFeatures can be called from other coros,

-        // launch() acts like a suspend()

-        // Make sure we are still good to do

-        LLCoros::checkStop();

-

-        LL_INFOS("AppInit", "SimulatorFeatures") << "Launching " << coroname << " requesting simulator features from " << url << " for region " << getRegionID() << LL_ENDL;

-    }

-    else

-    {

-        LL_WARNS("AppInit", "SimulatorFeatures") << "SimulatorFeatures cap not set" << LL_ENDL;

-    }

-}

-

-boost::signals2::connection LLViewerRegion::setSimulatorFeaturesReceivedCallback(const caps_received_signal_t::slot_type& cb)

-{

-    return mSimulatorFeaturesReceivedSignal.connect(cb);

-}

-

-void LLViewerRegion::setSimulatorFeaturesReceived(bool received)

-{

-    mSimulatorFeaturesReceived = received;

-    if (received)

-    {

-        mSimulatorFeaturesReceivedSignal(getRegionID(), this);

-        mSimulatorFeaturesReceivedSignal.disconnect_all_slots();

-    }

-}

-

-bool LLViewerRegion::simulatorFeaturesReceived() const

-{

-    return mSimulatorFeaturesReceived;

-}

-

-void LLViewerRegion::getSimulatorFeatures(LLSD& sim_features) const

-{

-    sim_features = mSimulatorFeatures;

-

-}

-

-void LLViewerRegion::setSimulatorFeatures(const LLSD& sim_features)

-{

-    std::stringstream str;

-

-    LLSDSerialize::toPrettyXML(sim_features, str);

-    LL_INFOS() << "region " << getName() << " "  << str.str() << LL_ENDL;

-    mSimulatorFeatures = sim_features;

-

-    setSimulatorFeaturesReceived(true);

-

-}

-

-//this is called when the parent is not cacheable.

-//move all orphan children out of cache and insert to rendering octree.

-void LLViewerRegion::findOrphans(U32 parent_id)

-{

-    orphan_list_t::iterator iter = mOrphanMap.find(parent_id);

-    if(iter != mOrphanMap.end())

-    {

-        std::vector<U32>* children = &mOrphanMap[parent_id];

-        for(S32 i = 0; i < children->size(); i++)

-        {

-            //parent is visible, so is the child.

-            addVisibleChildCacheEntry(NULL, getCacheEntry((*children)[i]));

-        }

-        children->clear();

-        mOrphanMap.erase(parent_id);

-    }

-}

-

-void LLViewerRegion::decodeBoundingInfo(LLVOCacheEntry* entry)

-{

-    if(!sVOCacheCullingEnabled)

-    {

-        gObjectList.processObjectUpdateFromCache(entry, this);

-        return;

-    }

-    if(!entry || !entry->isValid())

-    {

-        return;

-    }

-

-    if(!entry->getEntry())

-    {

-        entry->setOctreeEntry(NULL);

-    }

-

-    if(entry->getEntry()->hasDrawable()) //already in the rendering pipeline

-    {

-        LLViewerRegion* old_regionp = ((LLDrawable*)entry->getEntry()->getDrawable())->getRegion();

-        if(old_regionp != this && old_regionp)

-        {

-            LLViewerObject* obj = ((LLDrawable*)entry->getEntry()->getDrawable())->getVObj();

-            if(obj)

-            {

-                //remove from old region

-                old_regionp->killCacheEntry(obj->getLocalID());

-

-                //change region

-                obj->setRegion(this);

-            }

-        }

-

-        addActiveCacheEntry(entry);

-

-        //set parent id

-        U32 parent_id = 0;

-        if (entry->getDP()) // NULL if nothing cached

-        {

-            LLViewerObject::unpackParentID(entry->getDP(), parent_id);

-        }

-        if(parent_id != entry->getParentID())

-        {

-            entry->setParentID(parent_id);

-        }

-

-        //update the object

-        gObjectList.processObjectUpdateFromCache(entry, this);

-        return; //done

-    }

-

-    //must not be active.

-    llassert_always(!entry->isState(LLVOCacheEntry::ACTIVE));

-    removeFromVOCacheTree(entry); //remove from cache octree if it is in.

-

-    LLVector3 pos;

-    LLVector3 scale;

-    LLQuaternion rot;

-

-    //decode spatial info and parent info

-    U32 parent_id = entry->getDP() ? LLViewerObject::extractSpatialExtents(entry->getDP(), pos, scale, rot) : entry->getParentID();

-

-    U32 old_parent_id = entry->getParentID();

-    bool same_old_parent = false;

-    if(parent_id != old_parent_id) //parent changed.

-    {

-        if(old_parent_id > 0) //has an old parent, disconnect it

-        {

-            LLVOCacheEntry* old_parent = getCacheEntry(old_parent_id);

-            if(old_parent)

-            {

-                old_parent->removeChild(entry);

-                if(!old_parent->isState(LLVOCacheEntry::INACTIVE))

-                {

-                    mImpl->mVisibleEntries.erase(entry);

-                    entry->setState(LLVOCacheEntry::INACTIVE);

-                }

-            }

-        }

-        entry->setParentID(parent_id);

-    }

-    else

-    {

-        same_old_parent = true;

-    }

-

-    if(parent_id > 0) //has a new parent

-    {

-        //1, find the parent in cache

-        LLVOCacheEntry* parent = getCacheEntry(parent_id);

-

-        //2, parent is not in the cache, put into the orphan list.

-        if(!parent)

-        {

-            if(!same_old_parent)

-            {

-                //check if parent is non-cacheable and already created

-                if(isNonCacheableObjectCreated(parent_id))

-                {

-                    //parent is visible, so is the child.

-                    addVisibleChildCacheEntry(NULL, entry);

-                }

-                else

-                {

-                    entry->setBoundingInfo(pos, scale);

-                    mOrphanMap[parent_id].push_back(entry->getLocalID());

-                }

-            }

-            else

-            {

-                entry->setBoundingInfo(pos, scale);

-            }

-        }

-        else //parent in cache.

-        {

-            if(!parent->isState(LLVOCacheEntry::INACTIVE))

-            {

-                //parent is visible, so is the child.

-                addVisibleChildCacheEntry(parent, entry);

-            }

-            else

-            {

-                entry->setBoundingInfo(pos, scale);

-                parent->addChild(entry);

-

-                if(parent->getGroup()) //re-insert parent to vo-cache tree because its bounding info changed.

-                {

-                    removeFromVOCacheTree(parent);

-                    addToVOCacheTree(parent);

-                }

-            }

-        }

-

-        return;

-    }

-

-    //

-    //no parent

-    //

-    entry->setBoundingInfo(pos, scale);

-

-    if(!parent_id) //a potential parent

-    {

-        //find all children and update their bounding info

-        orphan_list_t::iterator iter = mOrphanMap.find(entry->getLocalID());

-        if(iter != mOrphanMap.end())

-        {

-            std::vector<U32>* orphans = &mOrphanMap[entry->getLocalID()];

-            S32 size = orphans->size();

-            for(S32 i = 0; i < size; i++)

-            {

-                LLVOCacheEntry* child = getCacheEntry((*orphans)[i]);

-                if(child)

-                {

-                    entry->addChild(child);

-                }

-            }

-            orphans->clear();

-            mOrphanMap.erase(entry->getLocalID());

-        }

-    }

-

-    if(!entry->getGroup() && entry->isState(LLVOCacheEntry::INACTIVE))

-    {

-        addToVOCacheTree(entry);

-    }

-    return ;

-}

-

-LLViewerRegion::eCacheUpdateResult LLViewerRegion::cacheFullUpdate(LLDataPackerBinaryBuffer &dp, U32 flags)

-{

-    eCacheUpdateResult result;

-    U32 crc;

-    U32 local_id;

-

-    LLViewerObject::unpackU32(&dp, local_id, "LocalID");

-    LLViewerObject::unpackU32(&dp, crc, "CRC");

-

-    LLVOCacheEntry* entry = getCacheEntry(local_id, false);

-

-    if (entry)

-    {

-        entry->setValid();

-

-        // we've seen this object before

-        if (entry->getCRC() == crc)

-        {

-            LL_DEBUGS("AnimatedObjects") << " got dupe for local_id " << local_id << LL_ENDL;

-            dumpStack("AnimatedObjectsStack");

-

-            // Record a hit

-            entry->recordDupe();

-            result = CACHE_UPDATE_DUPE;

-        }

-        else //CRC changed

-        {

-            LL_DEBUGS("AnimatedObjects") << " got update for local_id " << local_id << LL_ENDL;

-            dumpStack("AnimatedObjectsStack");

-

-            // Update the cache entry

-            entry->updateEntry(crc, dp);

-

-            decodeBoundingInfo(entry);

-

-            result = CACHE_UPDATE_CHANGED;

-        }

-    }

-    else

-    {

-        LL_DEBUGS("AnimatedObjects") << " got first notification for local_id " << local_id << LL_ENDL;

-        dumpStack("AnimatedObjectsStack");

-

-        // we haven't seen this object before

-        // Create new entry and add to map

-        result = CACHE_UPDATE_ADDED;

-        entry = new LLVOCacheEntry(local_id, crc, dp);

-        record(LLStatViewer::OBJECT_CACHE_HIT_RATE, LLUnits::Ratio::fromValue(0));

-

-        mImpl->mCacheMap[local_id] = entry;

-

-        decodeBoundingInfo(entry);

-    }

-    entry->setUpdateFlags(flags);

-

-    return result;

-    }

-

-LLViewerRegion::eCacheUpdateResult LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinaryBuffer &dp, U32 flags)

-{

-    eCacheUpdateResult result = cacheFullUpdate(dp, flags);

-

-    return result;

-}

-

-void LLViewerRegion::cacheFullUpdateGLTFOverride(const LLGLTFOverrideCacheEntry &override_data)

-{

-    U32 local_id = override_data.mLocalId;

-    mImpl->mGLTFOverridesLLSD[local_id] = override_data;

-}

-

-LLVOCacheEntry* LLViewerRegion::getCacheEntryForOctree(U32 local_id)

-{

-    if(!sVOCacheCullingEnabled)

-    {

-        return NULL;

-    }

-

-    LLVOCacheEntry* entry = getCacheEntry(local_id);

-    removeFromVOCacheTree(entry);

-

-    return entry;

-}

-

-LLVOCacheEntry* LLViewerRegion::getCacheEntry(U32 local_id, bool valid)

-{

-    LLVOCacheEntry::vocache_entry_map_t::iterator iter = mImpl->mCacheMap.find(local_id);

-    if(iter != mImpl->mCacheMap.end())

-    {

-        if(!valid || iter->second->isValid())

-        {

-            return iter->second;

-        }

-    }

-    return NULL;

-}

-

-void LLViewerRegion::addCacheMiss(U32 id, LLViewerRegion::eCacheMissType cache_miss_type)

-{

-    mRegionCacheMissCount++;

-    mCacheMissList.push_back(CacheMissItem(id, cache_miss_type));

-}

-

-//check if a non-cacheable object is already created.

-bool LLViewerRegion::isNonCacheableObjectCreated(U32 local_id)

-{

-    if(mImpl && local_id > 0 && mImpl->mNonCacheableCreatedList.find(local_id) != mImpl->mNonCacheableCreatedList.end())

-    {

-        return true;

-    }

-    return false;

-}

-

-void LLViewerRegion::removeFromCreatedList(U32 local_id)

-{

-    if(mImpl && local_id > 0)

-    {

-        std::set<U32>::iterator iter = mImpl->mNonCacheableCreatedList.find(local_id);

-        if(iter != mImpl->mNonCacheableCreatedList.end())

-        {

-            mImpl->mNonCacheableCreatedList.erase(iter);

-        }

-    }

-    }

-

-void LLViewerRegion::addToCreatedList(U32 local_id)

-{

-    if(mImpl && local_id > 0)

-    {

-        mImpl->mNonCacheableCreatedList.insert(local_id);

-    }

-}

-

-// Get data packer for this object, if we have cached data

-// AND the CRC matches. JC

-bool LLViewerRegion::probeCache(U32 local_id, U32 crc, U32 flags, U8 &cache_miss_type)

-{

-    //llassert(mCacheLoaded);  This assert failes often, changing to early-out -- davep, 2010/10/18

-

-    LLVOCacheEntry* entry = getCacheEntry(local_id, false);

-

-    if (entry)

-    {

-        // we've seen this object before

-        if (entry->getCRC() == crc)

-        {

-            // Record a hit

-            mRegionCacheHitCount++;

-            entry->recordHit();

-            cache_miss_type = CACHE_MISS_TYPE_NONE;

-            entry->setUpdateFlags(flags);

-

-            if(entry->isState(LLVOCacheEntry::ACTIVE))

-            {

-                ((LLDrawable*)entry->getEntry()->getDrawable())->getVObj()->loadFlags(flags);

-                return true;

-            }

-

-            if(entry->isValid())

-            {

-                return true; //already probed

-            }

-

-            entry->setValid();

-            decodeBoundingInfo(entry);

-

-            //loadCacheMiscExtras(local_id, entry, crc);

-

-            return true;

-        }

-        else

-        {

-            // LL_INFOS() << "CRC miss for " << local_id << LL_ENDL;

-

-            addCacheMiss(local_id, CACHE_MISS_TYPE_CRC);

-            cache_miss_type = CACHE_MISS_TYPE_CRC;

-        }

-    }

-    else

-    {   // Total miss, don't have the object in cache

-        // LL_INFOS() << "Cache miss for " << local_id << LL_ENDL;

-        addCacheMiss(local_id, CACHE_MISS_TYPE_TOTAL);

-        cache_miss_type = CACHE_MISS_TYPE_TOTAL;

-    }

-

-    return false;

-}

-

-void LLViewerRegion::addCacheMissFull(const U32 local_id)

-{

-    addCacheMiss(local_id, CACHE_MISS_TYPE_TOTAL);

-}

-

-void LLViewerRegion::requestCacheMisses()

-{

-    if (!mCacheMissList.size())

-    {

-        return;

-    }

-

-    LLMessageSystem* msg = gMessageSystem;

-    bool start_new_message = true;

-    S32 blocks = 0;

-

-    //send requests for all cache-missed objects

-    for (CacheMissItem::cache_miss_list_t::iterator iter = mCacheMissList.begin(); iter != mCacheMissList.end(); ++iter)

-    {

-        if (start_new_message)

-        {

-            msg->newMessageFast(_PREHASH_RequestMultipleObjects);

-            msg->nextBlockFast(_PREHASH_AgentData);

-            msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());

-            msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());

-            start_new_message = false;

-        }

-

-        msg->nextBlockFast(_PREHASH_ObjectData);

-        msg->addU8Fast(_PREHASH_CacheMissType, (*iter).mType);

-        msg->addU32Fast(_PREHASH_ID, (*iter).mID);

-

-        LL_DEBUGS("AnimatedObjects") << "Requesting cache missed object " << (*iter).mID << LL_ENDL;

-

-        blocks++;

-

-        if (blocks >= 255)

-        {

-            sendReliableMessage();

-            start_new_message = true;

-            blocks = 0;

-        }

-    }

-

-    // finish any pending message

-    if (!start_new_message)

-    {

-        sendReliableMessage();

-    }

-

-    mCacheDirty = true ;

-    // LL_INFOS() << "KILLDEBUG Sent cache miss full " << full_count << " crc " << crc_count << LL_ENDL;

-    LLViewerStatsRecorder::instance().requestCacheMissesEvent(mCacheMissList.size());

-

-    mCacheMissList.clear();

-}

-

-void LLViewerRegion::dumpCache()

-{

-    const S32 BINS = 4;

-    S32 hit_bin[BINS];

-    S32 change_bin[BINS];

-

-    S32 i;

-    for (i = 0; i < BINS; ++i)

-    {

-        hit_bin[i] = 0;

-        change_bin[i] = 0;

-    }

-

-    LLVOCacheEntry *entry;

-    for(LLVOCacheEntry::vocache_entry_map_t::iterator iter = mImpl->mCacheMap.begin(); iter != mImpl->mCacheMap.end(); ++iter)

-    {

-        entry = iter->second ;

-

-        S32 hits = entry->getHitCount();

-        S32 changes = entry->getCRCChangeCount();

-

-        hits = llclamp(hits, 0, BINS-1);

-        changes = llclamp(changes, 0, BINS-1);

-

-        hit_bin[hits]++;

-        change_bin[changes]++;

-    }

-

-    LL_INFOS() << "Count " << mImpl->mCacheMap.size() << LL_ENDL;

-    for (i = 0; i < BINS; i++)

-    {

-        LL_INFOS() << "Hits " << i << " " << hit_bin[i] << LL_ENDL;

-    }

-    for (i = 0; i < BINS; i++)

-    {

-        LL_INFOS() << "Changes " << i << " " << change_bin[i] << LL_ENDL;

-    }

-    // TODO - add overrides cache too

-}

-

-void LLViewerRegion::unpackRegionHandshake()

-{

-    LLMessageSystem *msg = gMessageSystem;

-

-    U64 region_flags = 0;

-    U64 region_protocols = 0;

-    U8 sim_access;

-    std::string sim_name;

-    LLUUID sim_owner;

-    bool is_estate_manager;

-    F32 water_height;

-    F32 billable_factor;

-    LLUUID cache_id;

-

-    msg->getU8      ("RegionInfo", "SimAccess", sim_access);

-    msg->getString  ("RegionInfo", "SimName", sim_name);

-    msg->getUUID    ("RegionInfo", "SimOwner", sim_owner);

-    msg->getBOOL    ("RegionInfo", "IsEstateManager", is_estate_manager);

-    msg->getF32     ("RegionInfo", "WaterHeight", water_height);

-    msg->getF32     ("RegionInfo", "BillableFactor", billable_factor);

-    msg->getUUID    ("RegionInfo", "CacheID", cache_id );

-

-    if (msg->has(_PREHASH_RegionInfo4))

-    {

-        msg->getU64Fast(_PREHASH_RegionInfo4, _PREHASH_RegionFlagsExtended, region_flags);

-        msg->getU64Fast(_PREHASH_RegionInfo4, _PREHASH_RegionProtocols, region_protocols);

-    }

-    else

-    {

-        U32 flags = 0;

-        msg->getU32Fast(_PREHASH_RegionInfo, _PREHASH_RegionFlags, flags);

-        region_flags = flags;

-    }

-

-    setRegionFlags(region_flags);

-    setRegionProtocols(region_protocols);

-    setSimAccess(sim_access);

-    setRegionNameAndZone(sim_name);

-    setOwner(sim_owner);

-    setIsEstateManager(is_estate_manager);

-    setWaterHeight(water_height);

-    setBillableFactor(billable_factor);

-    setCacheID(cache_id);

-

-    LLUUID region_id;

-    msg->getUUID("RegionInfo2", "RegionID", region_id);

-    setRegionID(region_id);

-

-    // Retrieve the CR-53 (Homestead/Land SKU) information

-    S32 classID = 0;

-    S32 cpuRatio = 0;

-    std::string coloName;

-    std::string productSKU;

-    std::string productName;

-

-    // the only reasonable way to decide if we actually have any data is to

-    // check to see if any of these fields have positive sizes

-    if (msg->getSize("RegionInfo3", "ColoName") > 0 ||

-        msg->getSize("RegionInfo3", "ProductSKU") > 0 ||

-        msg->getSize("RegionInfo3", "ProductName") > 0)

-    {

-        msg->getS32     ("RegionInfo3", "CPUClassID",  classID);

-        msg->getS32     ("RegionInfo3", "CPURatio",    cpuRatio);

-        msg->getString  ("RegionInfo3", "ColoName",    coloName);

-        msg->getString  ("RegionInfo3", "ProductSKU",  productSKU);

-        msg->getString  ("RegionInfo3", "ProductName", productName);

-

-        mClassID = classID;

-        mCPURatio = cpuRatio;

-        mColoName = coloName;

-        mProductSKU = productSKU;

-        mProductName = productName;

-    }

-

-    mCentralBakeVersion = region_protocols & 1; // was (S32)gSavedSettings.getBOOL("UseServerTextureBaking");

-    LLVLComposition *compp = getComposition();

-    if (compp)

-    {

-        LLUUID tmp_id;

-

-        bool changed = false;

-

-        // Get the 4 textures for land

-        msg->getUUID("RegionInfo", "TerrainDetail0", tmp_id);

-        changed |= (tmp_id != compp->getDetailTextureID(0));

-        compp->setDetailTextureID(0, tmp_id);

-

-        msg->getUUID("RegionInfo", "TerrainDetail1", tmp_id);

-        changed |= (tmp_id != compp->getDetailTextureID(1));

-        compp->setDetailTextureID(1, tmp_id);

-

-        msg->getUUID("RegionInfo", "TerrainDetail2", tmp_id);

-        changed |= (tmp_id != compp->getDetailTextureID(2));

-        compp->setDetailTextureID(2, tmp_id);

-

-        msg->getUUID("RegionInfo", "TerrainDetail3", tmp_id);

-        changed |= (tmp_id != compp->getDetailTextureID(3));

-        compp->setDetailTextureID(3, tmp_id);

-

-        // Get the start altitude and range values for land textures

-        F32 tmp_f32;

-        msg->getF32("RegionInfo", "TerrainStartHeight00", tmp_f32);

-        changed |= (tmp_f32 != compp->getStartHeight(0));

-        compp->setStartHeight(0, tmp_f32);

-

-        msg->getF32("RegionInfo", "TerrainStartHeight01", tmp_f32);

-        changed |= (tmp_f32 != compp->getStartHeight(1));

-        compp->setStartHeight(1, tmp_f32);

-

-        msg->getF32("RegionInfo", "TerrainStartHeight10", tmp_f32);

-        changed |= (tmp_f32 != compp->getStartHeight(2));

-        compp->setStartHeight(2, tmp_f32);

-

-        msg->getF32("RegionInfo", "TerrainStartHeight11", tmp_f32);

-        changed |= (tmp_f32 != compp->getStartHeight(3));

-        compp->setStartHeight(3, tmp_f32);

-

-

-        msg->getF32("RegionInfo", "TerrainHeightRange00", tmp_f32);

-        changed |= (tmp_f32 != compp->getHeightRange(0));

-        compp->setHeightRange(0, tmp_f32);

-

-        msg->getF32("RegionInfo", "TerrainHeightRange01", tmp_f32);

-        changed |= (tmp_f32 != compp->getHeightRange(1));

-        compp->setHeightRange(1, tmp_f32);

-

-        msg->getF32("RegionInfo", "TerrainHeightRange10", tmp_f32);

-        changed |= (tmp_f32 != compp->getHeightRange(2));

-        compp->setHeightRange(2, tmp_f32);

-

-        msg->getF32("RegionInfo", "TerrainHeightRange11", tmp_f32);

-        changed |= (tmp_f32 != compp->getHeightRange(3));

-        compp->setHeightRange(3, tmp_f32);

-

-        // If this is an UPDATE (params already ready, we need to regenerate

-        // all of our terrain stuff, by

-        if (compp->getParamsReady())

-        {

-            // Update if the land changed

-            if (changed)

-            {

-                getLand().dirtyAllPatches();

-            }

-        }

-        else

-        {

-            compp->setParamsReady();

-        }

-    }

-

-

-    // Now that we have the name, we can load the cache file

-    // off disk.

-    loadObjectCache();

-

-    // After loading cache, signal that simulator can start

-    // sending data.

-    // TODO: Send all upstream viewer->sim handshake info here.

-    LLHost host = msg->getSender();

-    msg->newMessage("RegionHandshakeReply");

-    msg->nextBlock("AgentData");

-    msg->addUUID("AgentID", gAgent.getID());

-    msg->addUUID("SessionID", gAgent.getSessionID());

-    msg->nextBlock("RegionInfo");

-

-    U32 flags = 0;

-    flags |= REGION_HANDSHAKE_SUPPORTS_SELF_APPEARANCE;

-

-    if(sVOCacheCullingEnabled)

-    {

-        flags |= 0x00000001; //set the bit 0 to be 1 to ask sim to send all cacheable objects.

-    }

-    if(mImpl->mCacheMap.empty())

-    {

-        flags |= 0x00000002; //set the bit 1 to be 1 to tell sim the cache file is empty, no need to send cache probes.

-    }

-    msg->addU32("Flags", flags );

-    msg->sendReliable(host);

-

-    mRegionTimer.reset(); //reset region timer.

-}

-

-// static

-void LLViewerRegionImpl::buildCapabilityNames(LLSD& capabilityNames)

-{

-    capabilityNames.append("AbuseCategories");

-    capabilityNames.append("AcceptFriendship");

-    capabilityNames.append("AcceptGroupInvite"); // ReadOfflineMsgs recieved messages only!!!

-    capabilityNames.append("AgentPreferences");

-    capabilityNames.append("AgentProfile");

-    capabilityNames.append("AgentState");

-    capabilityNames.append("AttachmentResources");

-    capabilityNames.append("AvatarPickerSearch");

-    capabilityNames.append("AvatarRenderInfo");

-    capabilityNames.append("CharacterProperties");

-    capabilityNames.append("ChatSessionRequest");

-    capabilityNames.append("CopyInventoryFromNotecard");

-    capabilityNames.append("CreateInventoryCategory");

-    capabilityNames.append("DeclineFriendship");

-    capabilityNames.append("DeclineGroupInvite"); // ReadOfflineMsgs recieved messages only!!!

-    capabilityNames.append("DispatchRegionInfo");

-    capabilityNames.append("DirectDelivery");

-    capabilityNames.append("EnvironmentSettings");

-    capabilityNames.append("EstateAccess");

-    capabilityNames.append("EstateChangeInfo");

-    capabilityNames.append("EventQueueGet");

-    capabilityNames.append("ExtEnvironment");

-

-    capabilityNames.append("FetchLib2");

-    capabilityNames.append("FetchLibDescendents2");

-    capabilityNames.append("FetchInventory2");

-    capabilityNames.append("FetchInventoryDescendents2");

-    capabilityNames.append("IncrementCOFVersion");

-    AISAPI::getCapNames(capabilityNames);

-

-    capabilityNames.append("InterestList");

-

-    capabilityNames.append("InventoryThumbnailUpload");

-    capabilityNames.append("GetDisplayNames");

-    capabilityNames.append("GetExperiences");

-    capabilityNames.append("AgentExperiences");

-    capabilityNames.append("FindExperienceByName");

-    capabilityNames.append("GetExperienceInfo");

-    capabilityNames.append("GetAdminExperiences");

-    capabilityNames.append("GetCreatorExperiences");

-    capabilityNames.append("ExperiencePreferences");

-    capabilityNames.append("GroupExperiences");

-    capabilityNames.append("UpdateExperience");

-    capabilityNames.append("IsExperienceAdmin");

-    capabilityNames.append("IsExperienceContributor");

-    capabilityNames.append("RegionExperiences");

-    capabilityNames.append("ExperienceQuery");

-    capabilityNames.append("GetMetadata");

-    capabilityNames.append("GetObjectCost");

-    capabilityNames.append("GetObjectPhysicsData");

-    capabilityNames.append("GroupAPIv1");

-    capabilityNames.append("GroupMemberData");

-    capabilityNames.append("GroupProposalBallot");

-    capabilityNames.append("HomeLocation");

-    capabilityNames.append("LandResources");

-    capabilityNames.append("LSLSyntax");

-    capabilityNames.append("MapLayer");

-    capabilityNames.append("MapLayerGod");

-    capabilityNames.append("MeshUploadFlag");

-    capabilityNames.append("ModifyMaterialParams");

-    capabilityNames.append("NavMeshGenerationStatus");

-    capabilityNames.append("NewFileAgentInventory");

-    capabilityNames.append("ObjectAnimation");

-    capabilityNames.append("ObjectMedia");

-    capabilityNames.append("ObjectMediaNavigate");

-    capabilityNames.append("ObjectNavMeshProperties");

-    capabilityNames.append("ParcelPropertiesUpdate");

-    capabilityNames.append("ParcelVoiceInfoRequest");

-    capabilityNames.append("ProductInfoRequest");

-    capabilityNames.append("ProvisionVoiceAccountRequest");

-    capabilityNames.append("ReadOfflineMsgs"); // Requires to respond reliably: AcceptFriendship, AcceptGroupInvite, DeclineFriendship, DeclineGroupInvite

-    capabilityNames.append("RegionObjects");

-    capabilityNames.append("RemoteParcelRequest");

-    capabilityNames.append("RenderMaterials");

-    capabilityNames.append("RequestTextureDownload");

-    capabilityNames.append("ResourceCostSelected");

-    capabilityNames.append("RetrieveNavMeshSrc");

-    capabilityNames.append("SearchStatRequest");

-    capabilityNames.append("SearchStatTracking");

-    capabilityNames.append("SendPostcard");

-    capabilityNames.append("SendUserReport");

-    capabilityNames.append("SendUserReportWithScreenshot");

-    capabilityNames.append("ServerReleaseNotes");

-    capabilityNames.append("SetDisplayName");

-    capabilityNames.append("SimConsoleAsync");

-    capabilityNames.append("SimulatorFeatures");

-    capabilityNames.append("StartGroupProposal");

-    capabilityNames.append("TerrainNavMeshProperties");

-    capabilityNames.append("TextureStats");

-    capabilityNames.append("UntrustedSimulatorMessage");

-    capabilityNames.append("UpdateAgentInformation");

-    capabilityNames.append("UpdateAgentLanguage");

-    capabilityNames.append("UpdateAvatarAppearance");

-    capabilityNames.append("UpdateGestureAgentInventory");

-    capabilityNames.append("UpdateGestureTaskInventory");

-    capabilityNames.append("UpdateNotecardAgentInventory");

-    capabilityNames.append("UpdateNotecardTaskInventory");

-    capabilityNames.append("UpdateScriptAgent");

-    capabilityNames.append("UpdateScriptTask");

-    capabilityNames.append("UpdateSettingsAgentInventory");

-    capabilityNames.append("UpdateSettingsTaskInventory");

-    capabilityNames.append("UploadAgentProfileImage");

-    capabilityNames.append("UpdateMaterialAgentInventory");

-    capabilityNames.append("UpdateMaterialTaskInventory");

-    capabilityNames.append("UploadBakedTexture");

-    capabilityNames.append("UserInfo");

-    capabilityNames.append("ViewerAsset");

-    capabilityNames.append("ViewerBenefits");

-    capabilityNames.append("ViewerMetrics");

-    capabilityNames.append("ViewerStartAuction");

-    capabilityNames.append("ViewerStats");

-

-    // Please add new capabilities alphabetically to reduce

-    // merge conflicts.

-}

-

-void LLViewerRegion::setSeedCapability(const std::string& url)

-{

-    if (getCapability("Seed") == url)

-    {

-        setCapabilityDebug("Seed", url);

-        LL_WARNS("CrossingCaps") <<  "Received duplicate seed capability for " << getRegionID() << ", posting to seed " <<

-                url << LL_ENDL;

-

-        //Instead of just returning we build up a second set of seed caps and compare them

-        //to the "original" seed cap received and determine why there is problem!

-        std::string coroname =

-            LLCoros::instance().launch("LLEnvironmentRequest::requestBaseCapabilitiesCompleteCoro",

-            boost::bind(&LLViewerRegionImpl::requestBaseCapabilitiesCompleteCoro, getHandle()));

-

-        // setSeedCapability can be called from other coros,

-        // launch() acts like a suspend()

-        // Make sure we are still good to do

-        LLCoros::checkStop();

-

-        return;

-    }

-

-    delete mImpl->mEventPoll;

-    mImpl->mEventPoll = NULL;

-

-    mImpl->mCapabilities.clear();

-    setCapability("Seed", url);

-

-    std::string coroname =

-        LLCoros::instance().launch("LLViewerRegionImpl::requestBaseCapabilitiesCoro",

-        boost::bind(&LLViewerRegionImpl::requestBaseCapabilitiesCoro, getHandle()));

-

-    // setSeedCapability can be called from other coros,

-    // launch() acts like a suspend()

-    // Make sure we are still good to do

-    LLCoros::checkStop();

-

-    LL_INFOS("AppInit", "Capabilities") << "Launching " << coroname << " requesting seed capabilities from " << url << " for region " << getRegionID() << LL_ENDL;

-}

-

-S32 LLViewerRegion::getNumSeedCapRetries()

-{

-    return mImpl->mSeedCapAttempts;

-}

-

-void LLViewerRegion::setCapability(const std::string& name, const std::string& url)

-{

-    if(name == "EventQueueGet")

-    {

-        delete mImpl->mEventPoll;

-        mImpl->mEventPoll = NULL;

-        mImpl->mEventPoll = new LLEventPoll(url, getHost());

-    }

-    else if(name == "UntrustedSimulatorMessage")

-    {

-        mImpl->mHost.setUntrustedSimulatorCap(url);

-    }

-    else if (name == "SimulatorFeatures")

-    {

-        mImpl->mCapabilities["SimulatorFeatures"] = url;

-        requestSimulatorFeatures();

-    }

-    else

-    {

-        mImpl->mCapabilities[name] = url;

-        if(name == "ViewerAsset")

-        {

-            /*==============================================================*/

-            // The following inserted lines are a hack for testing MAINT-7081,

-            // which is why the indentation and formatting are left ugly.

-            const char* VIEWERASSET = getenv("VIEWERASSET");

-            if (VIEWERASSET)

-            {

-                mImpl->mCapabilities[name] = VIEWERASSET;

-                mViewerAssetUrl = VIEWERASSET;

-            }

-            else

-            /*==============================================================*/

-            mViewerAssetUrl = url;

-        }

-    }

-}

-

-void LLViewerRegion::setCapabilityDebug(const std::string& name, const std::string& url)

-{

-    // Continue to not add certain caps, as we do in setCapability. This is so they match up when we check them later.

-    if ( ! ( name == "EventQueueGet" || name == "UntrustedSimulatorMessage" || name == "SimulatorFeatures" ) )

-    {

-        mImpl->mSecondCapabilitiesTracker[name] = url;

-        if(name == "ViewerAsset")

-        {

-            /*==============================================================*/

-            // The following inserted lines are a hack for testing MAINT-7081,

-            // which is why the indentation and formatting are left ugly.

-            const char* VIEWERASSET = getenv("VIEWERASSET");

-            if (VIEWERASSET)

-            {

-                mImpl->mSecondCapabilitiesTracker[name] = VIEWERASSET;

-                mViewerAssetUrl = VIEWERASSET;

-            }

-            else

-            /*==============================================================*/

-            mViewerAssetUrl = url;

-        }

-    }

-}

-

-std::string LLViewerRegion::getCapabilityDebug(const std::string& name) const

-{

-    CapabilityMap::const_iterator iter = mImpl->mSecondCapabilitiesTracker.find(name);

-    if (iter == mImpl->mSecondCapabilitiesTracker.end())

-    {

-        return "";

-    }

-

-    return iter->second;

-}

-

-

-bool LLViewerRegion::isSpecialCapabilityName(const std::string &name)

-{

-    return name == "EventQueueGet" || name == "UntrustedSimulatorMessage";

-}

-

-std::string LLViewerRegion::getCapability(const std::string& name) const

-{

-    if (!capabilitiesReceived() && (name!=std::string("Seed")) && (name!=std::string("ObjectMedia")))

-    {

-        LL_WARNS() << "getCapability called before caps received for " << name << LL_ENDL;

-    }

-

-    CapabilityMap::const_iterator iter = mImpl->mCapabilities.find(name);

-    if(iter == mImpl->mCapabilities.end())

-    {

-        return "";

-    }

-

-    return iter->second;

-}

-

-bool LLViewerRegion::isCapabilityAvailable(const std::string& name) const

-{

-    if (!capabilitiesReceived() && (name!=std::string("Seed")) && (name!=std::string("ObjectMedia")))

-    {

-        LL_WARNS() << "isCapabilityAvailable called before caps received for " << name << LL_ENDL;

-    }

-

-    CapabilityMap::const_iterator iter = mImpl->mCapabilities.find(name);

-    if(iter == mImpl->mCapabilities.end())

-    {

-        return false;

-    }

-

-    return true;

-}

-

-bool LLViewerRegion::capabilitiesReceived() const

-{

-    return mCapabilitiesState == CAPABILITIES_STATE_RECEIVED;

-}

-

-bool LLViewerRegion::capabilitiesError() const

-{

-    return mCapabilitiesState == CAPABILITIES_STATE_ERROR;

-}

-

-void LLViewerRegion::setCapabilitiesReceived(bool received)

-{

-    mCapabilitiesState = received ? CAPABILITIES_STATE_RECEIVED : CAPABILITIES_STATE_INIT;

-

-    // Tell interested parties that we've received capabilities,

-    // so that they can safely use getCapability().

-    if (received)

-    {

-        mCapabilitiesReceivedSignal(getRegionID(), this);

-

-        LLFloaterPermsDefault::sendInitialPerms();

-

-        // This is a single-shot signal. Forget callbacks to save resources.

-        mCapabilitiesReceivedSignal.disconnect_all_slots();

-

-        // Set the region to the desired interest list mode

-        setInterestListMode(gAgent.getInterestListMode());

-    }

-}

-

-void LLViewerRegion::setCapabilitiesError()

-{

-    mCapabilitiesState = CAPABILITIES_STATE_ERROR;

-}

-

-boost::signals2::connection LLViewerRegion::setCapabilitiesReceivedCallback(const caps_received_signal_t::slot_type& cb)

-{

-    return mCapabilitiesReceivedSignal.connect(cb);

-}

-

-void LLViewerRegion::logActiveCapabilities() const

-{

-    log_capabilities(mImpl->mCapabilities);

-}

-

-

-bool LLViewerRegion::requestPostCapability(const std::string &capName, LLSD &postData, httpCallback_t cbSuccess, httpCallback_t cbFailure)

-{

-    std::string url = getCapability(capName);

-

-    if (url.empty())

-    {

-        LL_WARNS("Region") << "Could not retrieve region " << getRegionID()

-            << " POST capability \"" << capName << "\"" << LL_ENDL;

-        return false;

-    }

-

-    LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpPost(url, gAgent.getAgentPolicy(), postData, cbSuccess, cbFailure);

-    return true;

-}

-

-bool LLViewerRegion::requestGetCapability(const std::string &capName, httpCallback_t cbSuccess, httpCallback_t cbFailure)

-{

-    std::string url;

-

-    url = getCapability(capName);

-

-    if (url.empty())

-    {

-        LL_WARNS("Region") << "Could not retrieve region " << getRegionID()

-                           << " GET capability \"" << capName << "\"" << LL_ENDL;

-        return false;

-    }

-

-    LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpGet(url, gAgent.getAgentPolicy(), cbSuccess, cbFailure);

-    return true;

-}

-

-bool LLViewerRegion::requestDelCapability(const std::string &capName, httpCallback_t cbSuccess, httpCallback_t cbFailure)

-{

-    std::string url;

-

-    url = getCapability(capName);

-

-    if (url.empty())

-    {

-        LL_WARNS("Region") << "Could not retrieve region " << getRegionID() << " DEL capability \"" << capName << "\"" << LL_ENDL;

-        return false;

-    }

-

-    LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpDel(url, gAgent.getAgentPolicy(), cbSuccess, cbFailure);

-    return true;

-}

-

-void LLViewerRegion::setInterestListMode(const std::string &new_mode)

-{

-    if (new_mode != mInterestListMode)

-    {

-        mInterestListMode = new_mode;

-

-        if (mInterestListMode != IL_MODE_DEFAULT && mInterestListMode != IL_MODE_360)

-        {

-            LL_WARNS("360Capture") << "Region " << getRegionID() << " setInterestListMode() invalid interest list mode: "

-                << mInterestListMode << ", setting to default" << LL_ENDL;

-            mInterestListMode = IL_MODE_DEFAULT;

-        }

-

-        LLSD body;

-        body["mode"] = mInterestListMode;

-        if (requestPostCapability("InterestList", body,

-                                  [](const LLSD &response) {

-                                      LL_DEBUGS("360Capture") << "InterestList capability responded: \n"

-                                          << ll_pretty_print_sd(response) << LL_ENDL;

-                                  }))

-        {

-            LL_DEBUGS("360Capture") << "Region " << getRegionID()

-                                    << " Successfully posted an InterestList capability request with payload: \n"

-                                    << ll_pretty_print_sd(body) << LL_ENDL;

-        }

-        else

-        {

-            LL_WARNS("360Capture") << "Region " << getRegionID()

-                                   << " Unable to post an InterestList capability request with payload: \n"

-                                   << ll_pretty_print_sd(body) << LL_ENDL;

-        }

-    }

-    else

-    {

-        LL_DEBUGS("360Capture") << "Region " << getRegionID() << "No change, skipping Interest List mode POST to "

-                                << new_mode << " mode" << LL_ENDL;

-    }

-}

-

-

-void LLViewerRegion::resetInterestList()

-{

-    if (requestDelCapability("InterestList", [](const LLSD &response) {

-                            LL_DEBUGS("360Capture") << "InterestList capability DEL responded: \n" << ll_pretty_print_sd(response) << LL_ENDL;

-                        }))

-    {

-        LL_DEBUGS("360Capture") << "Region " << getRegionID() << " Successfully reset InterestList capability" << LL_ENDL;

-    }

-    else

-    {

-        LL_WARNS("360Capture") << "Region " << getRegionID() << " Unable to DEL InterestList capability request" << LL_ENDL;

-    }

-}

-

-

-LLSpatialPartition *LLViewerRegion::getSpatialPartition(U32 type)

-{

-    if (type < mImpl->mObjectPartition.size() && type < PARTITION_VO_CACHE)

-    {

-        return (LLSpatialPartition*)mImpl->mObjectPartition[type];

-    }

-    return NULL;

-}

-

-LLVOCachePartition* LLViewerRegion::getVOCachePartition()

-{

-    if(PARTITION_VO_CACHE < mImpl->mObjectPartition.size())

-    {

-        return (LLVOCachePartition*)mImpl->mObjectPartition[PARTITION_VO_CACHE];

-    }

-    return NULL;

-}

-

-// the viewer can not yet distinquish between normal- and estate-owned objects

-// so we collapse these two bits and enable the UI if either are set

-const U64 ALLOW_RETURN_ENCROACHING_OBJECT = REGION_FLAGS_ALLOW_RETURN_ENCROACHING_OBJECT

-                                            | REGION_FLAGS_ALLOW_RETURN_ENCROACHING_ESTATE_OBJECT;

-

-bool LLViewerRegion::objectIsReturnable(const LLVector3& pos, const std::vector<LLBBox>& boxes) const

-{

-    return (mParcelOverlay != NULL)

-        && (mParcelOverlay->isOwnedSelf(pos)

-            || mParcelOverlay->isOwnedGroup(pos)

-            || (getRegionFlag(ALLOW_RETURN_ENCROACHING_OBJECT)

-                && mParcelOverlay->encroachesOwned(boxes)) );

-}

-

-bool LLViewerRegion::childrenObjectReturnable( const std::vector<LLBBox>& boxes ) const

-{

-    bool result = false;

-    result = ( mParcelOverlay && mParcelOverlay->encroachesOnUnowned( boxes ) ) ? 1 : 0;

-    return result;

-}

-

-bool LLViewerRegion::objectsCrossParcel(const std::vector<LLBBox>& boxes) const

-{

-    return mParcelOverlay && mParcelOverlay->encroachesOnNearbyParcel(boxes);

-}

-

-void LLViewerRegion::getNeighboringRegions( std::vector<LLViewerRegion*>& uniqueRegions )

-{

-    mImpl->mLandp->getNeighboringRegions( uniqueRegions );

-}

-void LLViewerRegion::getNeighboringRegionsStatus( std::vector<S32>& regions )

-{

-    mImpl->mLandp->getNeighboringRegionsStatus( regions );

-}

-void LLViewerRegion::showReleaseNotes()

-{

-    std::string url = this->getCapability("ServerReleaseNotes");

-

-    if (url.empty()) {

-        // HACK haven't received the capability yet, we'll wait until

-        // it arives.

-        mReleaseNotesRequested = true;

-        return;

-    }

-

-    LLWeb::loadURL(url);

-    mReleaseNotesRequested = false;

-}

-

-std::string LLViewerRegion::getDescription() const

-{

-    return stringize(*this);

-}

-

-bool LLViewerRegion::meshUploadEnabled() const

-{

-    return (mSimulatorFeatures.has("MeshUploadEnabled") &&

-        mSimulatorFeatures["MeshUploadEnabled"].asBoolean());

-}

-

-bool LLViewerRegion::bakesOnMeshEnabled() const

-{

-    return (mSimulatorFeatures.has("BakesOnMeshEnabled") &&

-        mSimulatorFeatures["BakesOnMeshEnabled"].asBoolean());

-}

-

-bool LLViewerRegion::meshRezEnabled() const

-{

-    return (mSimulatorFeatures.has("MeshRezEnabled") &&

-                mSimulatorFeatures["MeshRezEnabled"].asBoolean());

-}

-

-bool LLViewerRegion::dynamicPathfindingEnabled() const

-{

-    return ( mSimulatorFeatures.has("DynamicPathfindingEnabled") &&

-             mSimulatorFeatures["DynamicPathfindingEnabled"].asBoolean());

-}

-

-bool LLViewerRegion::avatarHoverHeightEnabled() const

-{

-    return ( mSimulatorFeatures.has("AvatarHoverHeightEnabled") &&

-             mSimulatorFeatures["AvatarHoverHeightEnabled"].asBoolean());

-}

-/* Static Functions */

-

-void log_capabilities(const CapabilityMap &capmap)

-{

-    S32 count = 0;

-    CapabilityMap::const_iterator iter;

-    for (iter = capmap.begin(); iter != capmap.end(); ++iter, ++count)

-    {

-        if (!iter->second.empty())

-        {

-            LL_INFOS() << "log_capabilities: " << iter->first << " URL is " << iter->second << LL_ENDL;

-        }

-    }

-    LL_INFOS() << "log_capabilities: Dumped " << count << " entries." << LL_ENDL;

-}

-void LLViewerRegion::resetMaterialsCapThrottle()

-{

-    F32 requests_per_sec =  1.0f; // original default;

-    if (   mSimulatorFeatures.has("RenderMaterialsCapability")

-        && mSimulatorFeatures["RenderMaterialsCapability"].isReal() )

-    {

-        requests_per_sec = mSimulatorFeatures["RenderMaterialsCapability"].asReal();

-        if ( requests_per_sec == 0.0f )

-        {

-            requests_per_sec = 1.0f;

-            LL_WARNS("Materials")

-                << "region '" << getName()

-                << "' returned zero for RenderMaterialsCapability; using default "

-                << requests_per_sec << " per second"

-                << LL_ENDL;

-        }

-        LL_DEBUGS("Materials") << "region '" << getName()

-                               << "' RenderMaterialsCapability " << requests_per_sec

-                               << LL_ENDL;

-    }

-    else

-    {

-        LL_DEBUGS("Materials")

-            << "region '" << getName()

-            << "' did not return RenderMaterialsCapability, using default "

-            << requests_per_sec << " per second"

-            << LL_ENDL;

-    }

-

-    mMaterialsCapThrottleTimer.resetWithExpiry( 1.0f / requests_per_sec );

-}

-

-U32 LLViewerRegion::getMaxMaterialsPerTransaction() const

-{

-    U32 max_entries = 50; // original hard coded default

-    if (   mSimulatorFeatures.has( "MaxMaterialsPerTransaction" )

-        && mSimulatorFeatures[ "MaxMaterialsPerTransaction" ].isInteger())

-    {

-        max_entries = mSimulatorFeatures[ "MaxMaterialsPerTransaction" ].asInteger();

-    }

-    return max_entries;

-}

-

-std::string LLViewerRegion::getSimHostName()

-{

-    if (mSimulatorFeaturesReceived)

-    {

-        return mSimulatorFeatures.has("HostName") ? mSimulatorFeatures["HostName"].asString() : getHost().getHostName();

-    }

-    return std::string("...");

-}

-

-void LLViewerRegion::applyCacheMiscExtras(LLViewerObject* obj)

-{

-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;

-    llassert(obj);

-

-    U32 local_id = obj->getLocalID();

-    auto iter = mImpl->mGLTFOverridesLLSD.find(local_id);

-    if (iter != mImpl->mGLTFOverridesLLSD.end())

-    {

-        llassert(iter->second.mGLTFMaterial.size() == iter->second.mSides.size());

-

-        for (auto& side : iter->second.mGLTFMaterial)

-        {

-            obj->setTEGLTFMaterialOverride(side.first, side.second);

-        }

-    }

-}

-

+/**
+ * @file llviewerregion.cpp
+ * @brief Implementation of the LLViewerRegion class.
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010-2013, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llviewerregion.h"
+
+// linden libraries
+#include "indra_constants.h"
+#include "llaisapi.h"
+#include "llavatarnamecache.h"      // name lookup cap url
+#include "llfloaterreg.h"
+#include "llmath.h"
+#include "llregionflags.h"
+#include "llregionhandle.h"
+#include "llsurface.h"
+#include "message.h"
+//#include "vmath.h"
+#include "v3math.h"
+#include "v4math.h"
+
+#include "llagent.h"
+#include "llagentcamera.h"
+#include "llappviewer.h"
+#include "llavatarrenderinfoaccountant.h"
+#include "llcallingcard.h"
+#include "llcommandhandler.h"
+#include "lldir.h"
+#include "lleventpoll.h"
+#include "llfloatergodtools.h"
+#include "llfloaterreporter.h"
+#include "llfloaterregioninfo.h"
+#include "llgltfmateriallist.h"
+#include "llhttpnode.h"
+#include "llregioninfomodel.h"
+#include "llsdutil.h"
+#include "llstartup.h"
+#include "lltrans.h"
+#include "llurldispatcher.h"
+#include "llviewerobjectlist.h"
+#include "llviewerparceloverlay.h"
+#include "llviewerstatsrecorder.h"
+#include "llvlmanager.h"
+#include "llvlcomposition.h"
+#include "llvoavatarself.h"
+#include "llvocache.h"
+#include "llworld.h"
+#include "llspatialpartition.h"
+#include "stringize.h"
+#include "llviewercontrol.h"
+#include "llsdserialize.h"
+#include "llfloaterperms.h"
+#include "llvieweroctree.h"
+#include "llviewerdisplay.h"
+#include "llviewerwindow.h"
+#include "llprogressview.h"
+#include "llcoros.h"
+#include "lleventcoro.h"
+#include "llcorehttputil.h"
+#include "llcallstack.h"
+#include "llsettingsdaycycle.h"
+
+#include <boost/regex.hpp>
+
+#ifdef LL_WINDOWS
+    #pragma warning(disable:4355)
+#endif
+
+// When we receive a base grant of capabilities that has a different number of
+// capabilities than the original base grant received for the region, print
+// out the two lists of capabilities for analysis.
+//#define DEBUG_CAPS_GRANTS
+
+// The server only keeps our pending agent info for 60 seconds.
+// We want to allow for seed cap retry, but its not useful after that 60 seconds.
+// Even though we gave up on login, keep trying for caps after we are logged in:
+const S32 MAX_CAP_REQUEST_ATTEMPTS = 30;
+const U32 DEFAULT_MAX_REGION_WIDE_PRIM_COUNT = 15000;
+
+bool LLViewerRegion::sVOCacheCullingEnabled = false;
+S32  LLViewerRegion::sLastCameraUpdated = 0;
+S32  LLViewerRegion::sNewObjectCreationThrottle = -1;
+LLViewerRegion::vocache_entry_map_t LLViewerRegion::sRegionCacheCleanup;
+
+typedef std::map<std::string, std::string> CapabilityMap;
+
+static void log_capabilities(const CapabilityMap &capmap);
+
+namespace
+{
+
+void newRegionEntry(LLViewerRegion& region)
+{
+    LL_INFOS("LLViewerRegion") << "Entering region [" << region.getName() << "]" << LL_ENDL;
+    gDebugInfo["CurrentRegion"] = region.getName();
+    LLAppViewer::instance()->writeDebugInfo();
+}
+
+} // anonymous namespace
+
+// support for secondlife:///app/region/{REGION} SLapps
+// N.B. this is defined to work exactly like the classic secondlife://{REGION}
+// However, the later syntax cannot support spaces in the region name because
+// spaces (and %20 chars) are illegal in the hostname of an http URL. Some
+// browsers let you get away with this, but some do not (such as Qt's Webkit).
+// Hence we introduced the newer secondlife:///app/region alternative.
+class LLRegionHandler : public LLCommandHandler
+{
+public:
+    // requests will be throttled from a non-trusted browser
+    LLRegionHandler() : LLCommandHandler("region", UNTRUSTED_THROTTLE) {}
+
+    bool handle(const LLSD& params, const LLSD& query_map, const std::string& grid, LLMediaCtrl* web)
+    {
+        // make sure that we at least have a region name
+        int num_params = params.size();
+        if (num_params < 1)
+        {
+            return false;
+        }
+
+        // build a secondlife://{PLACE} SLurl from this SLapp
+        std::string url = "secondlife://";
+        if (!grid.empty())
+        {
+            url += grid + "/secondlife/";
+        }
+        boost::regex name_rx("[A-Za-z0-9()_%]+");
+        boost::regex coord_rx("[0-9]+");
+        for (int i = 0; i < num_params; i++)
+        {
+            if (i > 0)
+            {
+                url += "/";
+            }
+            if (!boost::regex_match(params[i].asString(), i > 0 ? coord_rx : name_rx))
+            {
+                return false;
+            }
+
+            url += params[i].asString();
+        }
+
+        // Process the SLapp as if it was a secondlife://{PLACE} SLurl
+        LLURLDispatcher::dispatch(url, LLCommandHandler::NAV_TYPE_CLICKED, web, true);
+        return true;
+    }
+
+};
+LLRegionHandler gRegionHandler;
+
+
+class LLViewerRegionImpl
+{
+public:
+    LLViewerRegionImpl(LLViewerRegion * region, LLHost const & host):
+        mHost(host),
+        mCompositionp(NULL),
+        mEventPoll(NULL),
+        mSeedCapMaxAttempts(MAX_CAP_REQUEST_ATTEMPTS),
+        mSeedCapAttempts(0),
+        mHttpResponderID(0),
+        mLastCameraUpdate(0),
+        mLastCameraOrigin(),
+        mVOCachePartition(NULL),
+        mLandp(NULL)
+    {}
+
+    static void buildCapabilityNames(LLSD& capabilityNames);
+
+    // The surfaces and other layers
+    LLSurface*  mLandp;
+
+    // Region geometry data
+    LLVector3d  mOriginGlobal;  // Location of southwest corner of region (meters)
+    LLVector3d  mCenterGlobal;  // Location of center in world space (meters)
+    LLHost      mHost;
+
+    // The unique ID for this region.
+    LLUUID mRegionID;
+
+    // region/estate owner - usually null.
+    LLUUID mOwnerID;
+
+    // Network statistics for the region's circuit...
+    LLTimer mLastNetUpdate;
+
+    // Misc
+    LLVLComposition *mCompositionp;     // Composition layer for the surface
+
+    LLVOCacheEntry::vocache_entry_map_t   mCacheMap; //all cached entries
+    LLVOCacheEntry::vocache_entry_set_t   mActiveSet; //all active entries;
+    LLVOCacheEntry::vocache_entry_set_t   mWaitingSet; //entries waiting for LLDrawable to be generated.
+    std::set< LLPointer<LLViewerOctreeGroup> >      mVisibleGroups; //visible groupa
+    LLVOCachePartition*                   mVOCachePartition;
+    LLVOCacheEntry::vocache_entry_set_t   mVisibleEntries; //must-be-created visible entries wait for objects creation.
+    LLVOCacheEntry::vocache_entry_priority_list_t mWaitingList; //transient list storing sorted visible entries waiting for object creation.
+    std::set<U32>                          mNonCacheableCreatedList; //list of local ids of all non-cacheable objects
+    LLVOCacheEntry::vocache_gltf_overrides_map_t mGLTFOverridesLLSD; // for materials
+
+    // time?
+    // LRU info?
+
+    // Cache ID is unique per-region, across renames, moving locations,
+    // etc.
+    LLUUID mCacheID;
+
+    CapabilityMap mCapabilities;
+    CapabilityMap mSecondCapabilitiesTracker;
+
+    LLEventPoll* mEventPoll;
+
+    S32 mSeedCapMaxAttempts;
+    S32 mSeedCapAttempts;
+
+    S32 mHttpResponderID;
+
+    //spatial partitions for objects in this region
+    std::vector<LLViewerOctreePartition*> mObjectPartition;
+
+    LLVector3   mLastCameraOrigin;
+    U32         mLastCameraUpdate;
+
+    static void        requestBaseCapabilitiesCoro(U64 regionHandle);
+    static void        requestBaseCapabilitiesCompleteCoro(U64 regionHandle);
+    static void        requestSimulatorFeatureCoro(std::string url, U64 regionHandle);
+};
+
+void LLViewerRegionImpl::requestBaseCapabilitiesCoro(U64 regionHandle)
+{
+    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
+    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
+        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("BaseCapabilitiesRequest", httpPolicy));
+    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);
+
+    LLSD result;
+    LLViewerRegion *regionp = NULL;
+
+    // This loop is used for retrying a capabilities request.
+    do
+    {
+        if (STATE_WORLD_INIT > LLStartUp::getStartupState())
+        {
+            LL_INFOS("AppInit", "Capabilities") << "Aborting capabilities request, reason: returned to login screen" << LL_ENDL;
+            return;
+        }
+
+        if (!LLWorld::instanceExists())
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities, but world no longer exists!" << LL_ENDL;
+            return;
+        }
+
+        regionp = LLWorld::getInstance()->getRegionFromHandle(regionHandle);
+        if (!regionp) //region was removed
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities for region that no longer exists!" << LL_ENDL;
+            return; // this error condition is not recoverable.
+        }
+        LLViewerRegionImpl* impl = regionp->getRegionImplNC();
+        LL_DEBUGS("AppInit", "Capabilities") << "requesting seed caps for handle " << regionHandle
+                                             << " name " << regionp->getName() << LL_ENDL;
+
+        std::string url = regionp->getCapability("Seed");
+        if (url.empty())
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Failed to get seed capabilities, and can not determine url!" << LL_ENDL;
+            regionp->setCapabilitiesError();
+            return; // this error condition is not recoverable.
+        }
+
+        // record that we just entered a new region
+        newRegionEntry(*regionp);
+
+        if (impl->mSeedCapAttempts > impl->mSeedCapMaxAttempts)
+        {
+            // *TODO: Give a user pop-up about this error?
+            LL_WARNS("AppInit", "Capabilities") << "Failed to get seed capabilities from '" << url << "' after " << impl->mSeedCapAttempts << " attempts.  Giving up!" << LL_ENDL;
+            return;  // this error condition is not recoverable.
+        }
+
+        S32 id = ++(impl->mHttpResponderID);
+
+        LLSD capabilityNames = LLSD::emptyArray();
+        impl->buildCapabilityNames(capabilityNames);
+
+        LL_INFOS("AppInit", "Capabilities") << "Requesting seed from " << url
+                                            << " region name " << regionp->getName()
+                                            << " region id " << regionp->getRegionID()
+                                            << " handle " << regionp->getHandle()
+                                            << " (attempt #" << impl->mSeedCapAttempts + 1 << ")" << LL_ENDL;
+        LL_DEBUGS("AppInit", "Capabilities") << "Capabilities requested: " << capabilityNames << LL_ENDL;
+
+        regionp = NULL;
+        impl = NULL;
+        result = httpAdapter->postAndSuspend(httpRequest, url, capabilityNames);
+
+        if (STATE_WORLD_INIT > LLStartUp::getStartupState())
+        {
+            LL_INFOS("AppInit", "Capabilities") << "Aborting capabilities request, reason: returned to login screen" << LL_ENDL;
+            return;
+        }
+
+        if (LLApp::isExiting() || gDisconnected)
+        {
+            LL_DEBUGS("AppInit", "Capabilities") << "Shutting down" << LL_ENDL;
+            return;
+        }
+
+        if (!LLWorld::instanceExists())
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Received capabilities, but world no longer exists!" << LL_ENDL;
+            return;
+        }
+
+        regionp = LLWorld::getInstance()->getRegionFromHandle(regionHandle);
+        if (!regionp) //region was removed
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Received capabilities for region that no longer exists!" << LL_ENDL;
+            return; // this error condition is not recoverable.
+        }
+
+        impl = regionp->getRegionImplNC();
+
+        ++(impl->mSeedCapAttempts);
+
+        if (!result.isMap() || result.has("error"))
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Malformed response" << LL_ENDL;
+            // setup for retry.
+            continue;
+        }
+
+        LLSD httpResults = result["http_result"];
+        LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);
+        if (!status)
+        {
+            LL_WARNS("AppInit", "Capabilities") << "HttpStatus error " << LL_ENDL;
+            // setup for retry.
+            continue;
+        }
+
+        // remove the http_result from the llsd
+        result.erase("http_result");
+
+        if (id != impl->mHttpResponderID) // region is no longer referring to this request
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Received results for a stale capabilities request!" << LL_ENDL;
+            // setup for retry.
+            continue;
+        }
+
+        LLSD::map_const_iterator iter;
+        for (iter = result.beginMap(); iter != result.endMap(); ++iter)
+        {
+            regionp->setCapability(iter->first, iter->second);
+
+            LL_DEBUGS("AppInit", "Capabilities")
+                << "Capability '" << iter->first << "' is '" << iter->second << "'" << LL_ENDL;
+        }
+
+#if 0
+        log_capabilities(mCapabilities);
+#endif
+
+        LL_DEBUGS("AppInit", "Capabilities", "Teleport") << "received caps for handle " << regionHandle
+                                                         << " region name " << regionp->getName() << LL_ENDL;
+        regionp->setCapabilitiesReceived(true);
+
+        break;
+    }
+    while (true);
+
+    if (regionp && regionp->isCapabilityAvailable("ServerReleaseNotes") &&
+            regionp->getReleaseNotesRequested())
+    {   // *HACK: we're waiting for the ServerReleaseNotes
+        regionp->showReleaseNotes();
+    }
+}
+
+
+void LLViewerRegionImpl::requestBaseCapabilitiesCompleteCoro(U64 regionHandle)
+{
+    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
+    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
+        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("BaseCapabilitiesRequest", httpPolicy));
+    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);
+
+    LLSD result;
+    LLViewerRegion *regionp = NULL;
+
+    // This loop is used for retrying a capabilities request.
+    do
+    {
+        LLWorld *world_inst = LLWorld::getInstance(); // Not a singleton!
+        if (!world_inst)
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities, but world no longer exists!" << LL_ENDL;
+            return;
+        }
+
+        regionp = world_inst->getRegionFromHandle(regionHandle);
+        if (!regionp) //region was removed
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Attempting to get capabilities for region that no longer exists!" << LL_ENDL;
+            break; // this error condition is not recoverable.
+        }
+
+        std::string url = regionp->getCapabilityDebug("Seed");
+        if (url.empty())
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Failed to get seed capabilities, and can not determine url!" << LL_ENDL;
+            if (regionp->getCapability("Seed").empty())
+            {
+                // initial attempt failed to get this cap as well
+                regionp->setCapabilitiesError();
+            }
+            break; // this error condition is not recoverable.
+        }
+
+        // record that we just entered a new region
+        newRegionEntry(*regionp);
+
+        LLSD capabilityNames = LLSD::emptyArray();
+        buildCapabilityNames(capabilityNames);
+
+        LL_INFOS("AppInit", "Capabilities") << "Requesting second Seed from " << url << " for region " << regionp->getRegionID() << LL_ENDL;
+
+        regionp = NULL;
+        world_inst = NULL;
+        result = httpAdapter->postAndSuspend(httpRequest, url, capabilityNames);
+
+        LLSD httpResults = result["http_result"];
+        LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);
+        if (!status)
+        {
+            LL_WARNS("AppInit", "Capabilities") << "HttpStatus error " << LL_ENDL;
+            break;  // no retry
+        }
+
+        if (LLApp::isExiting() || gDisconnected)
+        {
+            break;
+        }
+
+        world_inst = LLWorld::getInstance();
+        if (!world_inst)
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Received capabilities, but world no longer exists!" << LL_ENDL;
+            return;
+        }
+
+        regionp = world_inst->getRegionFromHandle(regionHandle);
+        if (!regionp) //region was removed
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Received capabilities for region that no longer exists!" << LL_ENDL;
+            break; // this error condition is not recoverable.
+        }
+        LLViewerRegionImpl* impl = regionp->getRegionImplNC();
+
+        // remove the http_result from the llsd
+        result.erase("http_result");
+
+        LLSD::map_const_iterator iter;
+        for (iter = result.beginMap(); iter != result.endMap(); ++iter)
+        {
+            regionp->setCapabilityDebug(iter->first, iter->second);
+            //LL_INFOS()<<"BaseCapabilitiesCompleteTracker New Caps "<<iter->first<<" "<< iter->second<<LL_ENDL;
+        }
+
+#if 0
+        log_capabilities(impl->mCapabilities);
+#endif
+
+        if (impl->mCapabilities.size() != impl->mSecondCapabilitiesTracker.size())
+        {
+            LL_WARNS("AppInit", "Capabilities")
+                << "Sim sent duplicate base caps that differ in size from what we initially received - most likely content. "
+                << "mCapabilities == " << impl->mCapabilities.size()
+                << " mSecondCapabilitiesTracker == " << impl->mSecondCapabilitiesTracker.size()
+                << LL_ENDL;
+#ifdef DEBUG_CAPS_GRANTS
+            LL_WARNS("AppInit", "Capabilities")
+                << "Initial Base capabilities: " << LL_ENDL;
+
+            log_capabilities(impl->mCapabilities);
+
+            LL_WARNS("AppInit", "Capabilities")
+                << "Latest base capabilities: " << LL_ENDL;
+
+            log_capabilities(impl->mSecondCapabilitiesTracker);
+
+#endif
+
+            if (impl->mSecondCapabilitiesTracker.size() > impl->mCapabilities.size())
+            {
+                // *HACK Since we were granted more base capabilities in this grant request than the initial, replace
+                // the old with the new. This shouldn't happen i.e. we should always get the same capabilities from a
+                // sim. The simulator fix from SH-3895 should prevent it from happening, at least in the case of the
+                // inventory api capability grants.
+
+                // Need to clear a std::map before copying into it because old keys take precedence.
+                impl->mCapabilities.clear();
+                impl->mCapabilities = impl->mSecondCapabilitiesTracker;
+            }
+        }
+        else
+        {
+            LL_DEBUGS("CrossingCaps") << "Sim sent multiple base cap grants with matching sizes." << LL_ENDL;
+        }
+        impl->mSecondCapabilitiesTracker.clear();
+    }
+    while (false);
+}
+
+void LLViewerRegionImpl::requestSimulatorFeatureCoro(std::string url, U64 regionHandle)
+{
+    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
+    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
+        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("BaseCapabilitiesRequest", httpPolicy));
+    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);
+
+    LLViewerRegion *regionp = NULL;
+    S32 attemptNumber = 0;
+    // This loop is used for retrying a capabilities request.
+    do
+    {
+        ++attemptNumber;
+
+        if (attemptNumber > MAX_CAP_REQUEST_ATTEMPTS)
+        {
+            LL_WARNS("AppInit", "SimulatorFeatures") << "Retries count exceeded attempting to get Simulator feature from "
+                << url << LL_ENDL;
+            break;
+        }
+
+        LLWorld *world_inst = LLWorld::getInstance(); // Not a singleton!
+        if (!world_inst)
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Attempting to request Sim Feature, but world no longer exists!" << LL_ENDL;
+            return;
+        }
+
+        regionp = world_inst->getRegionFromHandle(regionHandle);
+        if (!regionp) //region was removed
+        {
+            LL_WARNS("AppInit", "SimulatorFeatures") << "Attempting to request Sim Feature for region that no longer exists!" << LL_ENDL;
+            break; // this error condition is not recoverable.
+        }
+
+        regionp = NULL;
+        world_inst = NULL;
+        LLSD result = httpAdapter->getAndSuspend(httpRequest, url);
+
+        LLSD httpResults = result["http_result"];
+        LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);
+        if (!status)
+        {
+            LL_WARNS("AppInit", "SimulatorFeatures") << "HttpStatus error retrying" << LL_ENDL;
+            continue;
+        }
+
+        if (LLApp::isExiting() || gDisconnected)
+        {
+            break;
+        }
+
+        // remove the http_result from the llsd
+        result.erase("http_result");
+
+        world_inst = LLWorld::getInstance();
+        if (!world_inst)
+        {
+            LL_WARNS("AppInit", "Capabilities") << "Attempting to request Sim Feature, but world no longer exists!" << LL_ENDL;
+            return;
+        }
+
+        regionp = world_inst->getRegionFromHandle(regionHandle);
+        if (!regionp) //region was removed
+        {
+            LL_WARNS("AppInit", "SimulatorFeatures") << "Attempting to set Sim Feature for region that no longer exists!" << LL_ENDL;
+            break; // this error condition is not recoverable.
+        }
+
+        regionp->setSimulatorFeatures(result);
+
+        break;
+    }
+    while (true);
+
+}
+
+LLViewerRegion::LLViewerRegion(const U64 &handle,
+                               const LLHost &host,
+                               const U32 grids_per_region_edge,
+                               const U32 grids_per_patch_edge,
+                               const F32 region_width_meters)
+:   mImpl(new LLViewerRegionImpl(this, host)),
+    mHandle(handle),
+    mTimeDilation(1.0f),
+    mName(""),
+    mZoning(""),
+    mIsEstateManager(false),
+    mRegionFlags( REGION_FLAGS_DEFAULT ),
+    mRegionProtocols( 0 ),
+    mSimAccess( SIM_ACCESS_MIN ),
+    mBillableFactor(1.0),
+    mMaxTasks(DEFAULT_MAX_REGION_WIDE_PRIM_COUNT),
+    mCentralBakeVersion(1),
+    mClassID(0),
+    mCPURatio(0),
+    mColoName("unknown"),
+    mProductSKU("unknown"),
+    mProductName("unknown"),
+    mViewerAssetUrl(""),
+    mCacheLoaded(false),
+    mCacheDirty(false),
+    mReleaseNotesRequested(false),
+    mCapabilitiesState(CAPABILITIES_STATE_INIT),
+    mSimulatorFeaturesReceived(false),
+    mBitsReceived(0.f),
+    mPacketsReceived(0.f),
+    mDead(false),
+    mLastVisitedEntry(NULL),
+    mInvisibilityCheckHistory(-1),
+    mPaused(false),
+    mRegionCacheHitCount(0),
+    mRegionCacheMissCount(0),
+    mInterestListMode(IL_MODE_DEFAULT)
+{
+    mWidth = region_width_meters;
+    mImpl->mOriginGlobal = from_region_handle(handle);
+    updateRenderMatrix();
+
+    mImpl->mLandp = new LLSurface('l', NULL);
+
+    // Create the composition layer for the surface
+    mImpl->mCompositionp =
+        new LLVLComposition(mImpl->mLandp,
+                            grids_per_region_edge,
+                            region_width_meters / grids_per_region_edge);
+    mImpl->mCompositionp->setSurface(mImpl->mLandp);
+
+    // Create the surfaces
+    mImpl->mLandp->setRegion(this);
+    mImpl->mLandp->create(grids_per_region_edge,
+                    grids_per_patch_edge,
+                    mImpl->mOriginGlobal,
+                    mWidth);
+
+    mParcelOverlay = new LLViewerParcelOverlay(this, region_width_meters);
+
+    setOriginGlobal(from_region_handle(handle));
+    calculateCenterGlobal();
+
+    // Create the object lists
+    initStats();
+
+    //create object partitions
+    //MUST MATCH declaration of eObjectPartitions
+    mImpl->mObjectPartition.push_back(new LLHUDPartition(this));        //PARTITION_HUD
+    mImpl->mObjectPartition.push_back(new LLTerrainPartition(this));    //PARTITION_TERRAIN
+    mImpl->mObjectPartition.push_back(new LLVoidWaterPartition(this));  //PARTITION_VOIDWATER
+    mImpl->mObjectPartition.push_back(new LLWaterPartition(this));      //PARTITION_WATER
+    mImpl->mObjectPartition.push_back(new LLTreePartition(this));       //PARTITION_TREE
+    mImpl->mObjectPartition.push_back(new LLParticlePartition(this));   //PARTITION_PARTICLE
+    mImpl->mObjectPartition.push_back(new LLGrassPartition(this));      //PARTITION_GRASS
+    mImpl->mObjectPartition.push_back(new LLVolumePartition(this)); //PARTITION_VOLUME
+    mImpl->mObjectPartition.push_back(new LLBridgePartition(this)); //PARTITION_BRIDGE
+    mImpl->mObjectPartition.push_back(new LLAvatarPartition(this)); //PARTITION_AVATAR
+    mImpl->mObjectPartition.push_back(new LLControlAVPartition(this));  //PARTITION_CONTROL_AV
+    mImpl->mObjectPartition.push_back(new LLHUDParticlePartition(this));//PARTITION_HUD_PARTICLE
+    mImpl->mObjectPartition.push_back(new LLVOCachePartition(this)); //PARTITION_VO_CACHE
+    mImpl->mObjectPartition.push_back(NULL);                    //PARTITION_NONE
+    mImpl->mVOCachePartition = getVOCachePartition();
+
+    setCapabilitiesReceivedCallback(boost::bind(&LLAvatarRenderInfoAccountant::scanNewRegion, _1));
+}
+
+
+void LLViewerRegion::initStats()
+{
+    mImpl->mLastNetUpdate.reset();
+    mPacketsIn = 0;
+    mBitsIn = (U32Bits)0;
+    mLastBitsIn = (U32Bits)0;
+    mLastPacketsIn = 0;
+    mPacketsOut = 0;
+    mLastPacketsOut = 0;
+    mPacketsLost = 0;
+    mLastPacketsLost = 0;
+    mPingDelay = (U32Seconds)0;
+    mAlive = false;                 // can become false if circuit disconnects
+}
+
+static LLTrace::BlockTimerStatHandle FTM_CLEANUP_REGION_OBJECTS("Cleanup Region Objects");
+static LLTrace::BlockTimerStatHandle FTM_SAVE_REGION_CACHE("Save Region Cache");
+
+LLViewerRegion::~LLViewerRegion()
+{
+    LL_PROFILE_ZONE_SCOPED;
+    mDead = true;
+    mImpl->mActiveSet.clear();
+    mImpl->mVisibleEntries.clear();
+    mImpl->mVisibleGroups.clear();
+    mImpl->mWaitingSet.clear();
+
+    gVLManager.cleanupData(this);
+    // Can't do this on destruction, because the neighbor pointers might be invalid.
+    // This should be reference counted...
+    disconnectAllNeighbors();
+    LLViewerPartSim::getInstance()->cleanupRegion(this);
+
+    {
+        LL_RECORD_BLOCK_TIME(FTM_CLEANUP_REGION_OBJECTS);
+        gObjectList.killObjects(this);
+    }
+
+    delete mImpl->mCompositionp;
+    delete mParcelOverlay;
+    delete mImpl->mLandp;
+    delete mImpl->mEventPoll;
+#if 0
+    LLHTTPSender::clearSender(mImpl->mHost);
+#endif
+    std::for_each(mImpl->mObjectPartition.begin(), mImpl->mObjectPartition.end(), DeletePointer());
+
+    {
+        LL_RECORD_BLOCK_TIME(FTM_SAVE_REGION_CACHE);
+        saveObjectCache();
+    }
+
+    delete mImpl;
+    mImpl = NULL;
+}
+
+/*virtual*/
+const LLHost&   LLViewerRegion::getHost() const
+{
+    return mImpl->mHost;
+}
+
+LLSurface & LLViewerRegion::getLand() const
+{
+    return *mImpl->mLandp;
+}
+
+const LLUUID& LLViewerRegion::getRegionID() const
+{
+    return mImpl->mRegionID;
+}
+
+void LLViewerRegion::setRegionID(const LLUUID& region_id)
+{
+    mImpl->mRegionID = region_id;
+}
+
+void LLViewerRegion::loadObjectCache()
+{
+    if (mCacheLoaded)
+    {
+        return;
+    }
+
+    // Presume success.  If it fails, we don't want to try again.
+    mCacheLoaded = true;
+
+    if(LLVOCache::instanceExists())
+    {
+        LLVOCache & vocache = LLVOCache::instance();
+        vocache.readFromCache(mHandle, mImpl->mCacheID, mImpl->mCacheMap);
+        vocache.readGenericExtrasFromCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesLLSD);
+
+        if (mImpl->mCacheMap.empty())
+        {
+            mCacheDirty = true;
+        }
+    }
+}
+
+
+void LLViewerRegion::saveObjectCache()
+{
+    if (!mCacheLoaded)
+    {
+        return;
+    }
+
+    if (mImpl->mCacheMap.empty())
+    {
+        return;
+    }
+
+    if(LLVOCache::instanceExists())
+    {
+        const F32 start_time_threshold = 600.0f; //seconds
+        bool removal_enabled = sVOCacheCullingEnabled && (mRegionTimer.getElapsedTimeF32() > start_time_threshold); //allow to remove invalid objects from object cache file.
+
+        LLVOCache & instance = LLVOCache::instance();
+
+        instance.writeToCache(mHandle, mImpl->mCacheID, mImpl->mCacheMap, mCacheDirty, removal_enabled);
+        instance.writeGenericExtrasToCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesLLSD, mCacheDirty, removal_enabled);
+        mCacheDirty = false;
+    }
+
+    if (LLAppViewer::instance()->isQuitting())
+    {
+        mImpl->mCacheMap.clear();
+    }
+    else
+    {
+        // Map of LLVOCacheEntry takes time to release, store map for cleanup on idle
+        sRegionCacheCleanup.insert(mImpl->mCacheMap.begin(), mImpl->mCacheMap.end());
+        mImpl->mCacheMap.clear();
+        // TODO - probably need to do the same for overrides cache
+    }
+}
+
+void LLViewerRegion::sendMessage()
+{
+    gMessageSystem->sendMessage(mImpl->mHost);
+}
+
+void LLViewerRegion::sendReliableMessage()
+{
+    gMessageSystem->sendReliable(mImpl->mHost);
+}
+
+void LLViewerRegion::setWaterHeight(F32 water_level)
+{
+    mImpl->mLandp->setWaterHeight(water_level);
+}
+
+F32 LLViewerRegion::getWaterHeight() const
+{
+    return mImpl->mLandp->getWaterHeight();
+}
+
+bool LLViewerRegion::isVoiceEnabled() const
+{
+    return getRegionFlag(REGION_FLAGS_ALLOW_VOICE);
+}
+
+void LLViewerRegion::setRegionFlags(U64 flags)
+{
+    mRegionFlags = flags;
+}
+
+
+void LLViewerRegion::setOriginGlobal(const LLVector3d &origin_global)
+{
+    mImpl->mOriginGlobal = origin_global;
+    updateRenderMatrix();
+    mImpl->mLandp->setOriginGlobal(origin_global);
+    mWind.setOriginGlobal(origin_global);
+    calculateCenterGlobal();
+}
+
+void LLViewerRegion::updateRenderMatrix()
+{
+    mRenderMatrix.setTranslation(getOriginAgent());
+}
+
+void LLViewerRegion::setTimeDilation(F32 time_dilation)
+{
+    mTimeDilation = time_dilation;
+}
+
+const LLVector3d & LLViewerRegion::getOriginGlobal() const
+{
+    return mImpl->mOriginGlobal;
+}
+
+LLVector3 LLViewerRegion::getOriginAgent() const
+{
+    return gAgent.getPosAgentFromGlobal(mImpl->mOriginGlobal);
+}
+
+const LLVector3d & LLViewerRegion::getCenterGlobal() const
+{
+    return mImpl->mCenterGlobal;
+}
+
+LLVector3 LLViewerRegion::getCenterAgent() const
+{
+    return gAgent.getPosAgentFromGlobal(mImpl->mCenterGlobal);
+}
+
+void LLViewerRegion::setOwner(const LLUUID& owner_id)
+{
+    mImpl->mOwnerID = owner_id;
+}
+
+const LLUUID& LLViewerRegion::getOwner() const
+{
+    return mImpl->mOwnerID;
+}
+
+void LLViewerRegion::setRegionNameAndZone   (const std::string& name_zone)
+{
+    std::string::size_type pipe_pos = name_zone.find('|');
+    S32 length   = name_zone.size();
+    if (pipe_pos != std::string::npos)
+    {
+        mName   = name_zone.substr(0, pipe_pos);
+        mZoning = name_zone.substr(pipe_pos+1, length-(pipe_pos+1));
+    }
+    else
+    {
+        mName   = name_zone;
+        mZoning = "";
+    }
+
+    LLStringUtil::stripNonprintable(mName);
+    LLStringUtil::stripNonprintable(mZoning);
+}
+
+bool LLViewerRegion::canManageEstate() const
+{
+    return gAgent.isGodlike()
+        || isEstateManager()
+        || gAgent.getID() == getOwner();
+}
+
+const std::string LLViewerRegion::getSimAccessString() const
+{
+    return accessToString(mSimAccess);
+}
+
+std::string LLViewerRegion::getLocalizedSimProductName() const
+{
+    std::string localized_spn;
+    return LLTrans::findString(localized_spn, mProductName) ? localized_spn : mProductName;
+}
+
+// static
+std::string LLViewerRegion::regionFlagsToString(U64 flags)
+{
+    std::string result;
+
+    if (flags & REGION_FLAGS_SANDBOX)
+    {
+        result += "Sandbox";
+    }
+
+    if (flags & REGION_FLAGS_ALLOW_DAMAGE)
+    {
+        result += " Not Safe";
+    }
+
+    return result;
+}
+
+// static
+std::string LLViewerRegion::accessToString(U8 sim_access)
+{
+    switch(sim_access)
+    {
+    case SIM_ACCESS_PG:
+        return LLTrans::getString("SIM_ACCESS_PG");
+
+    case SIM_ACCESS_MATURE:
+        return LLTrans::getString("SIM_ACCESS_MATURE");
+
+    case SIM_ACCESS_ADULT:
+        return LLTrans::getString("SIM_ACCESS_ADULT");
+
+    case SIM_ACCESS_DOWN:
+        return LLTrans::getString("SIM_ACCESS_DOWN");
+
+    case SIM_ACCESS_MIN:
+    default:
+        return LLTrans::getString("SIM_ACCESS_MIN");
+    }
+}
+
+// static
+std::string LLViewerRegion::getAccessIcon(U8 sim_access)
+{
+    switch(sim_access)
+    {
+    case SIM_ACCESS_MATURE:
+        return "Parcel_M_Dark";
+
+    case SIM_ACCESS_ADULT:
+        return "Parcel_R_Light";
+
+    case SIM_ACCESS_PG:
+        return "Parcel_PG_Light";
+
+    case SIM_ACCESS_MIN:
+    default:
+        return "";
+    }
+}
+
+// static
+std::string LLViewerRegion::accessToShortString(U8 sim_access)
+{
+    switch(sim_access)      /* Flawfinder: ignore */
+    {
+    case SIM_ACCESS_PG:
+        return "PG";
+
+    case SIM_ACCESS_MATURE:
+        return "M";
+
+    case SIM_ACCESS_ADULT:
+        return "A";
+
+    case SIM_ACCESS_MIN:
+    default:
+        return "U";
+    }
+}
+
+// static
+U8 LLViewerRegion::shortStringToAccess(const std::string &sim_access)
+{
+    U8 accessValue;
+
+    if (LLStringUtil::compareStrings(sim_access, "PG") == 0)
+    {
+        accessValue = SIM_ACCESS_PG;
+    }
+    else if (LLStringUtil::compareStrings(sim_access, "M") == 0)
+    {
+        accessValue = SIM_ACCESS_MATURE;
+    }
+    else if (LLStringUtil::compareStrings(sim_access, "A") == 0)
+    {
+        accessValue = SIM_ACCESS_ADULT;
+    }
+    else
+    {
+        accessValue = SIM_ACCESS_MIN;
+    }
+
+    return accessValue;
+}
+
+// static
+void LLViewerRegion::processRegionInfo(LLMessageSystem* msg, void**)
+{
+    // send it to 'observers'
+    // *TODO: switch the floaters to using LLRegionInfoModel
+    LL_INFOS() << "Processing region info" << LL_ENDL;
+    LLRegionInfoModel::instance().update(msg);
+    LLFloaterGodTools::processRegionInfo(msg);
+    LLFloaterRegionInfo::processRegionInfo(msg);
+}
+
+void LLViewerRegion::setCacheID(const LLUUID& id)
+{
+    mImpl->mCacheID = id;
+}
+
+void LLViewerRegion::renderPropertyLines()
+{
+    if (mParcelOverlay)
+    {
+        mParcelOverlay->renderPropertyLines();
+    }
+}
+
+void LLViewerRegion::renderPropertyLinesOnMinimap(F32 scale_pixels_per_meter, const F32 *parcel_outline_color)
+{
+    if (mParcelOverlay)
+    {
+        mParcelOverlay->renderPropertyLinesOnMinimap(scale_pixels_per_meter, parcel_outline_color);
+    }
+}
+
+
+// This gets called when the height field changes.
+void LLViewerRegion::dirtyHeights()
+{
+    // Property lines need to be reconstructed when the land changes.
+    if (mParcelOverlay)
+    {
+        mParcelOverlay->setDirty();
+    }
+}
+
+//physically delete the cache entry
+void LLViewerRegion::killCacheEntry(LLVOCacheEntry* entry, bool for_rendering)
+{
+    if(!entry || !entry->isValid())
+    {
+        return;
+    }
+
+    if(for_rendering && !entry->isState(LLVOCacheEntry::ACTIVE))
+    {
+        addNewObject(entry); //force to add to rendering pipeline
+    }
+
+    //remove from active list and waiting list
+    if(entry->isState(LLVOCacheEntry::ACTIVE))
+    {
+        mImpl->mActiveSet.erase(entry);
+    }
+    else
+    {
+        if(entry->isState(LLVOCacheEntry::WAITING))
+        {
+            mImpl->mWaitingSet.erase(entry);
+        }
+
+        //remove from mVOCachePartition
+        removeFromVOCacheTree(entry);
+    }
+
+    //remove from the forced visible list
+    mImpl->mVisibleEntries.erase(entry);
+
+    //disconnect from parent if it is a child
+    if(entry->getParentID() > 0)
+    {
+        LLVOCacheEntry* parent = getCacheEntry(entry->getParentID());
+        if(parent)
+        {
+            parent->removeChild(entry);
+        }
+    }
+    else if(entry->getNumOfChildren() > 0)//remove children from cache if has any
+    {
+        LLVOCacheEntry* child = entry->getChild();
+        while(child != NULL)
+        {
+            killCacheEntry(child, for_rendering);
+            child = entry->getChild();
+        }
+    }
+
+    //will remove it from the object cache, real deletion
+    entry->setState(LLVOCacheEntry::INACTIVE);
+    entry->removeOctreeEntry();
+    entry->setValid(false);
+
+    // TODO kill extras/material overrides cache too
+}
+
+//physically delete the cache entry
+void LLViewerRegion::killCacheEntry(U32 local_id)
+{
+    killCacheEntry(getCacheEntry(local_id));
+}
+
+U32 LLViewerRegion::getNumOfActiveCachedObjects() const
+{
+    return  mImpl->mActiveSet.size();
+}
+
+void LLViewerRegion::addActiveCacheEntry(LLVOCacheEntry* entry)
+{
+    if(!entry || mDead)
+    {
+        return;
+    }
+    if(entry->isState(LLVOCacheEntry::ACTIVE))
+    {
+        return; //already inserted.
+    }
+
+    if(entry->isState(LLVOCacheEntry::WAITING))
+    {
+        mImpl->mWaitingSet.erase(entry);
+    }
+
+    entry->setState(LLVOCacheEntry::ACTIVE);
+    entry->setVisible();
+
+    llassert(entry->getEntry()->hasDrawable());
+    mImpl->mActiveSet.insert(entry);
+}
+
+void LLViewerRegion::removeActiveCacheEntry(LLVOCacheEntry* entry, LLDrawable* drawablep)
+{
+    if(mDead || !entry || !entry->isValid())
+    {
+        return;
+    }
+    if(!entry->isState(LLVOCacheEntry::ACTIVE))
+    {
+        return; //not an active entry.
+    }
+
+    //shift to the local regional space from agent space
+    if(drawablep != NULL && drawablep->getVObj().notNull())
+    {
+        const LLVector3& pos = drawablep->getVObj()->getPositionRegion();
+        LLVector4a shift;
+        shift.load3(pos.mV);
+        shift.sub(entry->getPositionGroup());
+        entry->shift(shift);
+    }
+
+    if(entry->getParentID() > 0) //is a child
+    {
+        LLVOCacheEntry* parent = getCacheEntry(entry->getParentID());
+        if(parent)
+        {
+            parent->addChild(entry);
+        }
+        else //parent not in cache.
+        {
+            //this happens only when parent is not cacheable.
+            mOrphanMap[entry->getParentID()].push_back(entry->getLocalID());
+        }
+    }
+    else //insert to vo cache tree.
+    {
+        entry->updateParentBoundingInfo();
+        entry->saveBoundingSphere();
+        addToVOCacheTree(entry);
+    }
+
+    mImpl->mVisibleEntries.erase(entry);
+    mImpl->mActiveSet.erase(entry);
+    mImpl->mWaitingSet.erase(entry);
+    entry->setState(LLVOCacheEntry::INACTIVE);
+}
+
+bool LLViewerRegion::addVisibleGroup(LLViewerOctreeGroup* group)
+{
+    if(mDead || group->isEmpty())
+    {
+        return false;
+    }
+
+    mImpl->mVisibleGroups.insert(group);
+
+    return true;
+}
+
+U32 LLViewerRegion::getNumOfVisibleGroups() const
+{
+    return mImpl ? mImpl->mVisibleGroups.size() : 0;
+}
+
+void LLViewerRegion::updateReflectionProbes()
+{
+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
+    const F32 probe_spacing = 32.f;
+    const F32 probe_radius = sqrtf((probe_spacing * 0.5f) * (probe_spacing * 0.5f) * 3.f);
+    const F32 hover_height = 2.f;
+
+    F32 start = probe_spacing * 0.5f;
+
+    U32 grid_width = REGION_WIDTH_METERS / probe_spacing;
+
+    mReflectionMaps.resize(grid_width * grid_width);
+
+    F32 water_height = getWaterHeight();
+    LLVector3 origin = getOriginAgent();
+
+    for (U32 i = 0; i < grid_width; ++i)
+    {
+        F32 x = i * probe_spacing + start;
+        for (U32 j = 0; j < grid_width; ++j)
+        {
+            F32 y = j * probe_spacing + start;
+
+            U32 idx = i * grid_width + j;
+
+            if (mReflectionMaps[idx].isNull())
+            {
+                mReflectionMaps[idx] = gPipeline.mReflectionMapManager.addProbe();
+            }
+
+            LLVector3 probe_origin = LLVector3(x, y, llmax(water_height, mImpl->mLandp->resolveHeightRegion(x, y)));
+            probe_origin.mV[2] += hover_height;
+            probe_origin += origin;
+
+            mReflectionMaps[idx]->mOrigin.load3(probe_origin.mV);
+            mReflectionMaps[idx]->mRadius = probe_radius;
+        }
+    }
+}
+
+void LLViewerRegion::addToVOCacheTree(LLVOCacheEntry* entry)
+{
+    if(!sVOCacheCullingEnabled)
+    {
+        return;
+    }
+
+    if(mDead || !entry || !entry->getEntry() || !entry->isValid())
+    {
+        return;
+    }
+    if(entry->getParentID() > 0)
+    {
+        return; //no child prim in cache octree.
+    }
+
+    if(entry->hasState(LLVOCacheEntry::IN_VO_TREE))
+    {
+        return; //already in the tree.
+    }
+
+    llassert_always(!entry->getGroup()); //not in octree.
+    llassert(!entry->getEntry()->hasDrawable()); //not have drawables
+
+    if(mImpl->mVOCachePartition->addEntry(entry->getEntry()))
+    {
+        entry->setState(LLVOCacheEntry::IN_VO_TREE);
+    }
+}
+
+void LLViewerRegion::removeFromVOCacheTree(LLVOCacheEntry* entry)
+{
+    if(mDead || !entry || !entry->getEntry())
+    {
+        return;
+    }
+
+    if(!entry->hasState(LLVOCacheEntry::IN_VO_TREE))
+    {
+        return; //not in the tree.
+    }
+    entry->clearState(LLVOCacheEntry::IN_VO_TREE);
+
+    mImpl->mVOCachePartition->removeEntry(entry->getEntry());
+}
+
+//add child objects as visible entries
+void LLViewerRegion::addVisibleChildCacheEntry(LLVOCacheEntry* parent, LLVOCacheEntry* child)
+{
+    if(mDead)
+    {
+        return;
+    }
+
+    if(parent && (!parent->isValid() || !parent->isState(LLVOCacheEntry::ACTIVE)))
+    {
+        return; //parent must be valid and in rendering pipeline
+    }
+
+    if(child && (!child->getEntry() || !child->isValid() || !child->isState(LLVOCacheEntry::INACTIVE)))
+    {
+        return; //child must be valid and not in the rendering pipeline
+    }
+
+    if(child)
+    {
+        child->setState(LLVOCacheEntry::IN_QUEUE);
+        mImpl->mVisibleEntries.insert(child);
+    }
+    else if(parent && parent->getNumOfChildren() > 0) //add all children
+    {
+        child = parent->getChild();
+        while(child != NULL)
+        {
+            addVisibleChildCacheEntry(NULL, child);
+            child = parent->getChild();
+        }
+    }
+}
+
+void LLViewerRegion::updateVisibleEntries(F32 max_time)
+{
+    if(mDead)
+    {
+        return;
+    }
+
+    if(mImpl->mVisibleGroups.empty() && mImpl->mVisibleEntries.empty())
+    {
+        return;
+    }
+
+    if(!sNewObjectCreationThrottle)
+    {
+        return;
+    }
+
+    const F32 LARGE_SCENE_CONTRIBUTION = 1000.f; //a large number to force to load the object.
+    const LLVector3 camera_origin = LLViewerCamera::getInstance()->getOrigin();
+    const U32 cur_frame = LLViewerOctreeEntryData::getCurrentFrame();
+    bool needs_update = ((cur_frame - mImpl->mLastCameraUpdate) > 5) && ((camera_origin - mImpl->mLastCameraOrigin).lengthSquared() > 10.f);
+    U32 last_update = mImpl->mLastCameraUpdate;
+    LLVector4a local_origin;
+    local_origin.load3((camera_origin - getOriginAgent()).mV);
+
+    //process visible entries
+    for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mVisibleEntries.begin(); iter != mImpl->mVisibleEntries.end();)
+    {
+        LLVOCacheEntry* vo_entry = *iter;
+
+        if(vo_entry->isValid() && vo_entry->getState() < LLVOCacheEntry::WAITING)
+        {
+            //set a large number to force to load this object.
+            vo_entry->setSceneContribution(LARGE_SCENE_CONTRIBUTION);
+
+            mImpl->mWaitingList.insert(vo_entry);
+            ++iter;
+        }
+        else
+        {
+            LLVOCacheEntry::vocache_entry_set_t::iterator next_iter = iter;
+            ++next_iter;
+            mImpl->mVisibleEntries.erase(iter);
+            iter = next_iter;
+        }
+    }
+
+    //
+    //process visible groups
+    //
+    //object projected area threshold
+    F32 projection_threshold = LLVOCacheEntry::getSquaredPixelThreshold(mImpl->mVOCachePartition->isFrontCull());
+    F32 dist_threshold = mImpl->mVOCachePartition->isFrontCull() ? gAgentCamera.mDrawDistance : LLVOCacheEntry::sRearFarRadius;
+
+    std::set< LLPointer<LLViewerOctreeGroup> >::iterator group_iter = mImpl->mVisibleGroups.begin();
+    for(; group_iter != mImpl->mVisibleGroups.end(); ++group_iter)
+    {
+        LLPointer<LLViewerOctreeGroup> group = *group_iter;
+        if(group->getNumRefs() < 3 || //group to be deleted
+            !group->getOctreeNode() || group->isEmpty()) //group empty
+        {
+            continue;
+        }
+
+        for (LLViewerOctreeGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
+        {
+            if((*i)->hasVOCacheEntry())
+            {
+                LLVOCacheEntry* vo_entry = (LLVOCacheEntry*)(*i)->getVOCacheEntry();
+
+                if(vo_entry->getParentID() > 0) //is a child
+                {
+                    //child visibility depends on its parent.
+                    continue;
+                }
+                if(!vo_entry->isValid())
+                {
+                    continue; //skip invalid entry.
+                }
+
+                vo_entry->calcSceneContribution(local_origin, needs_update, last_update, dist_threshold);
+                if(vo_entry->getSceneContribution() > projection_threshold)
+                {
+                    mImpl->mWaitingList.insert(vo_entry);
+                }
+            }
+        }
+    }
+
+    if(needs_update)
+    {
+        mImpl->mLastCameraOrigin = camera_origin;
+        mImpl->mLastCameraUpdate = cur_frame;
+    }
+
+    return;
+}
+
+void LLViewerRegion::createVisibleObjects(F32 max_time)
+{
+    if(mDead)
+    {
+        return;
+    }
+    if(mImpl->mWaitingList.empty())
+    {
+        mImpl->mVOCachePartition->setCullHistory(false);
+        return;
+    }
+
+    S32 throttle = sNewObjectCreationThrottle;
+    bool has_new_obj = false;
+    LLTimer update_timer;
+    for(LLVOCacheEntry::vocache_entry_priority_list_t::iterator iter = mImpl->mWaitingList.begin();
+        iter != mImpl->mWaitingList.end(); ++iter)
+    {
+        LLVOCacheEntry* vo_entry = *iter;
+
+        if(vo_entry->getState() < LLVOCacheEntry::WAITING)
+        {
+            addNewObject(vo_entry);
+            has_new_obj = true;
+            if(throttle > 0 && !(--throttle) && update_timer.getElapsedTimeF32() > max_time)
+            {
+                break;
+            }
+        }
+    }
+
+    mImpl->mVOCachePartition->setCullHistory(has_new_obj);
+
+    return;
+}
+
+void LLViewerRegion::clearCachedVisibleObjects()
+{
+    mImpl->mWaitingList.clear();
+    mImpl->mVisibleGroups.clear();
+
+    //reset all occluders
+    mImpl->mVOCachePartition->resetOccluders();
+    mPaused = true;
+
+    //clean visible entries
+    for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mVisibleEntries.begin(); iter != mImpl->mVisibleEntries.end();)
+    {
+        LLVOCacheEntry* entry = *iter;
+        LLVOCacheEntry* parent = getCacheEntry(entry->getParentID());
+
+        if(!entry->getParentID() || parent) //no child or parent is cache-able
+        {
+            if(parent) //has a cache-able parent
+            {
+                parent->addChild(entry);
+            }
+
+            LLVOCacheEntry::vocache_entry_set_t::iterator next_iter = iter;
+            ++next_iter;
+            mImpl->mVisibleEntries.erase(iter);
+            iter = next_iter;
+        }
+        else //parent is not cache-able, leave it.
+        {
+            ++iter;
+        }
+    }
+
+    //remove all visible entries.
+    mLastVisitedEntry = NULL;
+    std::vector<LLDrawable*> delete_list;
+    for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mActiveSet.begin();
+        iter != mImpl->mActiveSet.end(); ++iter)
+    {
+        LLVOCacheEntry* vo_entry = *iter;
+        if (!vo_entry || !vo_entry->getEntry())
+        {
+            continue;
+        }
+        LLDrawable* drawablep = (LLDrawable*)vo_entry->getEntry()->getDrawable();
+
+        if(drawablep && !drawablep->getParent())
+        {
+            delete_list.push_back(drawablep);
+        }
+    }
+
+    if(!delete_list.empty())
+    {
+        for(S32 i = 0; i < delete_list.size(); i++)
+        {
+            gObjectList.killObject(delete_list[i]->getVObj());
+        }
+        delete_list.clear();
+    }
+
+    return;
+}
+
+//perform some necessary but very light updates.
+//to replace the function idleUpdate(...) in case there is no enough time.
+void LLViewerRegion::lightIdleUpdate()
+{
+    if(!sVOCacheCullingEnabled)
+    {
+        return;
+    }
+    if(mImpl->mCacheMap.empty())
+    {
+        return;
+    }
+
+    //reset all occluders
+    mImpl->mVOCachePartition->resetOccluders();
+}
+
+void LLViewerRegion::idleUpdate(F32 max_update_time)
+{
+    LL_PROFILE_ZONE_SCOPED;
+    LLTimer update_timer;
+    F32 max_time;
+
+    mLastUpdate = LLViewerOctreeEntryData::getCurrentFrame();
+
+    mImpl->mLandp->idleUpdate(max_update_time);
+
+    if (mParcelOverlay)
+    {
+        // Hopefully not a significant time sink...
+        mParcelOverlay->idleUpdate();
+    }
+
+    if(!sVOCacheCullingEnabled)
+    {
+        return;
+    }
+    if(mImpl->mCacheMap.empty())
+    {
+        return;
+    }
+    if(mPaused)
+    {
+        mPaused = false; //unpause.
+    }
+
+    LLViewerCamera::eCameraID old_camera_id = LLViewerCamera::sCurCameraID;
+    LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
+
+    //reset all occluders
+    mImpl->mVOCachePartition->resetOccluders();
+
+    max_time = max_update_time - update_timer.getElapsedTimeF32();
+
+    //kill invisible objects
+    killInvisibleObjects(max_time * 0.4f);
+    max_time = max_update_time - update_timer.getElapsedTimeF32();
+
+    updateVisibleEntries(max_time);
+    max_time = max_update_time - update_timer.getElapsedTimeF32();
+
+    createVisibleObjects(max_time);
+
+    mImpl->mWaitingList.clear();
+    mImpl->mVisibleGroups.clear();
+
+    LLViewerCamera::sCurCameraID = old_camera_id;
+    return;
+}
+
+// static
+void LLViewerRegion::idleCleanup(F32 max_update_time)
+{
+    LLTimer update_timer;
+    while (!sRegionCacheCleanup.empty() && (max_update_time - update_timer.getElapsedTimeF32() > 0))
+    {
+        sRegionCacheCleanup.erase(sRegionCacheCleanup.begin());
+    }
+}
+
+//update the throttling number for new object creation
+void LLViewerRegion::calcNewObjectCreationThrottle()
+{
+    static LLCachedControl<S32> new_object_creation_throttle(gSavedSettings,"NewObjectCreationThrottle");
+    static LLCachedControl<F32> throttle_delay_time(gSavedSettings,"NewObjectCreationThrottleDelayTime");
+    static LLFrameTimer timer;
+
+    //
+    //sNewObjectCreationThrottle =
+    //-2: throttle is disabled because either the screen is showing progress view, or immediate after the screen is not black
+    //-1: throttle is disabled by the debug setting
+    //0:  no new object creation is allowed
+    //>0: valid throttling number
+    //
+
+    if(gViewerWindow->getProgressView()->getVisible() && throttle_delay_time > 0.f)
+    {
+        sNewObjectCreationThrottle = -2; //cancel the throttling
+        timer.reset();
+    }
+    else if(sNewObjectCreationThrottle < -1) //just recoved from the login/teleport screen
+    {
+        if(timer.getElapsedTimeF32() > throttle_delay_time) //wait for throttle_delay_time to reset the throttle
+        {
+            sNewObjectCreationThrottle = new_object_creation_throttle; //reset
+            if(sNewObjectCreationThrottle < -1)
+            {
+                sNewObjectCreationThrottle = -1;
+            }
+        }
+    }
+
+    //update some LLVOCacheEntry debug setting factors.
+    LLVOCacheEntry::updateDebugSettings();
+}
+
+bool LLViewerRegion::isViewerCameraStatic()
+{
+    return sLastCameraUpdated < LLViewerOctreeEntryData::getCurrentFrame();
+}
+
+void LLViewerRegion::killInvisibleObjects(F32 max_time)
+{
+#if 1 // TODO: kill this.  This is ill-conceived, objects that aren't in the camera frustum should not be deleted from memory.
+        // because of this, every time you turn around the simulator sends a swarm of full object update messages from cache
+    // probe misses and objects have to be reloaded from scratch.  From some reason, disabling this causes holes to
+    // appear in the scene when flying back and forth between regions
+    if(!sVOCacheCullingEnabled)
+    {
+        return;
+    }
+    if(mImpl->mActiveSet.empty())
+    {
+        return;
+    }
+    if(sNewObjectCreationThrottle < 0)
+    {
+        return;
+    }
+
+    LLTimer update_timer;
+    LLVector4a camera_origin;
+    camera_origin.load3(LLViewerCamera::getInstance()->getOrigin().mV);
+    LLVector4a local_origin;
+    local_origin.load3((LLViewerCamera::getInstance()->getOrigin() - getOriginAgent()).mV);
+    F32 back_threshold = LLVOCacheEntry::sRearFarRadius;
+
+    size_t max_update = 64;
+    if(!mInvisibilityCheckHistory && isViewerCameraStatic())
+    {
+        //history is clean, reduce number of checking
+        max_update /= 2;
+    }
+
+    std::vector<LLDrawable*> delete_list;
+    S32 update_counter = llmin(max_update, mImpl->mActiveSet.size());
+    LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mActiveSet.upper_bound(mLastVisitedEntry);
+
+    for(; update_counter > 0; --update_counter, ++iter)
+    {
+        if(iter == mImpl->mActiveSet.end())
+        {
+            iter = mImpl->mActiveSet.begin();
+        }
+        if((*iter)->getParentID() > 0)
+        {
+            continue; //skip child objects, they are removed with their parent.
+        }
+
+        LLVOCacheEntry* vo_entry = *iter;
+        if(!vo_entry->isAnyVisible(camera_origin, local_origin, back_threshold) && vo_entry->mLastCameraUpdated < sLastCameraUpdated)
+        {
+            killObject(vo_entry, delete_list);
+        }
+
+        if(max_time < update_timer.getElapsedTimeF32()) //time out
+        {
+            break;
+        }
+    }
+
+    if(iter == mImpl->mActiveSet.end())
+    {
+        mLastVisitedEntry = NULL;
+    }
+    else
+    {
+        mLastVisitedEntry = *iter;
+    }
+
+    mInvisibilityCheckHistory <<= 1;
+    if(!delete_list.empty())
+    {
+        mInvisibilityCheckHistory |= 1;
+        S32 count = delete_list.size();
+        for(S32 i = 0; i < count; i++)
+        {
+            gObjectList.killObject(delete_list[i]->getVObj());
+        }
+        delete_list.clear();
+    }
+
+    return;
+#endif
+}
+
+void LLViewerRegion::killObject(LLVOCacheEntry* entry, std::vector<LLDrawable*>& delete_list)
+{
+    //kill the object.
+    LLDrawable* drawablep = (LLDrawable*)entry->getEntry()->getDrawable();
+    llassert(drawablep);
+    llassert(drawablep->getRegion() == this);
+
+    if(drawablep && !drawablep->getParent())
+    {
+        LLViewerObject* v_obj = drawablep->getVObj();
+        if (v_obj->isSelected()
+            || (v_obj->flagAnimSource() && isAgentAvatarValid() && gAgentAvatarp->hasMotionFromSource(v_obj->getID())))
+        {
+            // do not remove objects user is interacting with
+            ((LLViewerOctreeEntryData*)drawablep)->setVisible();
+            return;
+        }
+        LLViewerObject::const_child_list_t& child_list = v_obj->getChildren();
+        for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
+            iter != child_list.end(); iter++)
+        {
+            LLViewerObject* child = *iter;
+            if(child->mDrawable)
+            {
+                if( !child->mDrawable->getEntry()
+                    || !child->mDrawable->getEntry()->hasVOCacheEntry()
+                    || child->isSelected()
+                    || (child->flagAnimSource() && isAgentAvatarValid() && gAgentAvatarp->hasMotionFromSource(child->getID())))
+                {
+                    //do not remove parent if any of its children non-cacheable, animating or selected
+                    //especially for the case that an avatar sits on a cache-able object
+                    ((LLViewerOctreeEntryData*)drawablep)->setVisible();
+                    return;
+                }
+
+                LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)child->mDrawable->getGroup();
+                if(group && group->isAnyRecentlyVisible())
+                {
+                    //set the parent visible if any of its children visible.
+                    ((LLViewerOctreeEntryData*)drawablep)->setVisible();
+                    return;
+                }
+            }
+        }
+        delete_list.push_back(drawablep);
+    }
+}
+
+LLViewerObject* LLViewerRegion::addNewObject(LLVOCacheEntry* entry)
+{
+    if(!entry || !entry->getEntry())
+    {
+        if(entry)
+        {
+            mImpl->mVisibleEntries.erase(entry);
+            entry->setState(LLVOCacheEntry::INACTIVE);
+        }
+        return NULL;
+    }
+
+    LLViewerObject* obj = NULL;
+    if(!entry->getEntry()->hasDrawable()) //not added to the rendering pipeline yet
+    {
+        //add the object
+        obj = gObjectList.processObjectUpdateFromCache(entry, this);
+        if(obj)
+        {
+            if(!entry->isState(LLVOCacheEntry::ACTIVE))
+            {
+                mImpl->mWaitingSet.insert(entry);
+                entry->setState(LLVOCacheEntry::WAITING);
+            }
+        }
+    }
+    else
+    {
+        LLViewerRegion* old_regionp = ((LLDrawable*)entry->getEntry()->getDrawable())->getRegion();
+        if(old_regionp != this)
+        {
+            //this object exists in two regions at the same time;
+            //this case can be safely ignored here because
+            //server should soon send update message to remove one region for this object.
+
+            LL_WARNS() << "Entry: " << entry->getLocalID() << " exists in two regions at the same time." << LL_ENDL;
+            return NULL;
+        }
+
+        LL_WARNS() << "Entry: " << entry->getLocalID() << " in rendering pipeline but not set to be active." << LL_ENDL;
+
+        //should not hit here any more, but does not hurt either, just put it back to active list
+        addActiveCacheEntry(entry);
+    }
+
+    return obj;
+}
+
+//update object cache if the object receives a full-update or terse update
+//update_type == EObjectUpdateType::OUT_TERSE_IMPROVED or EObjectUpdateType::OUT_FULL
+LLViewerObject* LLViewerRegion::updateCacheEntry(U32 local_id, LLViewerObject* objectp)
+{
+    LLVOCacheEntry* entry = getCacheEntry(local_id);
+    if (!entry)
+    {
+        return objectp; //not in the cache, do nothing.
+    }
+    if(!objectp) //object not created
+    {
+        //create a new object from cache.
+        objectp = addNewObject(entry);
+    }
+
+    //remove from cache.
+    killCacheEntry(entry, true);
+
+    return objectp;
+}
+
+// As above, but forcibly do the update.
+void LLViewerRegion::forceUpdate()
+{
+    mImpl->mLandp->idleUpdate(0.f);
+
+    if (mParcelOverlay)
+    {
+        mParcelOverlay->idleUpdate(true);
+    }
+}
+
+void LLViewerRegion::connectNeighbor(LLViewerRegion *neighborp, U32 direction)
+{
+    mImpl->mLandp->connectNeighbor(neighborp->mImpl->mLandp, direction);
+}
+
+
+void LLViewerRegion::disconnectAllNeighbors()
+{
+    mImpl->mLandp->disconnectAllNeighbors();
+}
+
+LLVLComposition * LLViewerRegion::getComposition() const
+{
+    return mImpl->mCompositionp;
+}
+
+F32 LLViewerRegion::getCompositionXY(const S32 x, const S32 y) const
+{
+    if (x >= 256)
+    {
+        if (y >= 256)
+        {
+            LLVector3d center = getCenterGlobal() + LLVector3d(256.f, 256.f, 0.f);
+            LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(center);
+            if (regionp)
+            {
+                // OK, we need to do some hackery here - different simulators no longer use
+                // the same composition values, necessarily.
+                // If we're attempting to blend, then we want to make the fractional part of
+                // this region match the fractional of the adjacent.  For now, just minimize
+                // the delta.
+                F32 our_comp = getComposition()->getValueScaled(255, 255);
+                F32 adj_comp = regionp->getComposition()->getValueScaled(x - 256.f, y - 256.f);
+                while (llabs(our_comp - adj_comp) >= 1.f)
+                {
+                    if (our_comp > adj_comp)
+                    {
+                        adj_comp += 1.f;
+                    }
+                    else
+                    {
+                        adj_comp -= 1.f;
+                    }
+                }
+                return adj_comp;
+            }
+        }
+        else
+        {
+            LLVector3d center = getCenterGlobal() + LLVector3d(256.f, 0, 0.f);
+            LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(center);
+            if (regionp)
+            {
+                // OK, we need to do some hackery here - different simulators no longer use
+                // the same composition values, necessarily.
+                // If we're attempting to blend, then we want to make the fractional part of
+                // this region match the fractional of the adjacent.  For now, just minimize
+                // the delta.
+                F32 our_comp = getComposition()->getValueScaled(255.f, (F32)y);
+                F32 adj_comp = regionp->getComposition()->getValueScaled(x - 256.f, (F32)y);
+                while (llabs(our_comp - adj_comp) >= 1.f)
+                {
+                    if (our_comp > adj_comp)
+                    {
+                        adj_comp += 1.f;
+                    }
+                    else
+                    {
+                        adj_comp -= 1.f;
+                    }
+                }
+                return adj_comp;
+            }
+        }
+    }
+    else if (y >= 256)
+    {
+        LLVector3d center = getCenterGlobal() + LLVector3d(0.f, 256.f, 0.f);
+        LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(center);
+        if (regionp)
+        {
+            // OK, we need to do some hackery here - different simulators no longer use
+            // the same composition values, necessarily.
+            // If we're attempting to blend, then we want to make the fractional part of
+            // this region match the fractional of the adjacent.  For now, just minimize
+            // the delta.
+            F32 our_comp = getComposition()->getValueScaled((F32)x, 255.f);
+            F32 adj_comp = regionp->getComposition()->getValueScaled((F32)x, y - 256.f);
+            while (llabs(our_comp - adj_comp) >= 1.f)
+            {
+                if (our_comp > adj_comp)
+                {
+                    adj_comp += 1.f;
+                }
+                else
+                {
+                    adj_comp -= 1.f;
+                }
+            }
+            return adj_comp;
+        }
+    }
+
+    return getComposition()->getValueScaled((F32)x, (F32)y);
+}
+
+void LLViewerRegion::calculateCenterGlobal()
+{
+    mImpl->mCenterGlobal = mImpl->mOriginGlobal;
+    mImpl->mCenterGlobal.mdV[VX] += 0.5 * mWidth;
+    mImpl->mCenterGlobal.mdV[VY] += 0.5 * mWidth;
+    mImpl->mCenterGlobal.mdV[VZ] = 0.5 * mImpl->mLandp->getMinZ() + mImpl->mLandp->getMaxZ();
+}
+
+void LLViewerRegion::calculateCameraDistance()
+{
+    mCameraDistanceSquared = (F32)(gAgentCamera.getCameraPositionGlobal() - getCenterGlobal()).magVecSquared();
+}
+
+std::ostream& operator<<(std::ostream &s, const LLViewerRegion &region)
+{
+    s << "{ ";
+    s << region.mImpl->mHost;
+    s << " mOriginGlobal = " << region.getOriginGlobal()<< "\n";
+    std::string name(region.getName()), zone(region.getZoning());
+    if (! name.empty())
+    {
+        s << " mName         = " << name << '\n';
+    }
+    if (! zone.empty())
+    {
+        s << " mZoning       = " << zone << '\n';
+    }
+    s << "}";
+    return s;
+}
+
+
+// ---------------- Protected Member Functions ----------------
+
+void LLViewerRegion::updateNetStats()
+{
+    F32 dt = mImpl->mLastNetUpdate.getElapsedTimeAndResetF32();
+
+    LLCircuitData *cdp = gMessageSystem->mCircuitInfo.findCircuit(mImpl->mHost);
+    if (!cdp)
+    {
+        mAlive = false;
+        return;
+    }
+
+    mAlive = true;
+    mDeltaTime = dt;
+
+    mLastPacketsIn =    mPacketsIn;
+    mLastBitsIn =       mBitsIn;
+    mLastPacketsOut =   mPacketsOut;
+    mLastPacketsLost =  mPacketsLost;
+
+    mPacketsIn =                cdp->getPacketsIn();
+    mBitsIn =                   8 * cdp->getBytesIn();
+    mPacketsOut =               cdp->getPacketsOut();
+    mPacketsLost =              cdp->getPacketsLost();
+    mPingDelay =                cdp->getPingDelay();
+
+    mBitsReceived += mBitsIn - mLastBitsIn;
+    mPacketsReceived += mPacketsIn - mLastPacketsIn;
+}
+
+
+U32 LLViewerRegion::getPacketsLost() const
+{
+    LLCircuitData *cdp = gMessageSystem->mCircuitInfo.findCircuit(mImpl->mHost);
+    if (!cdp)
+    {
+        LL_INFOS() << "LLViewerRegion::getPacketsLost couldn't find circuit for " << mImpl->mHost << LL_ENDL;
+        return 0;
+    }
+    else
+    {
+        return cdp->getPacketsLost();
+    }
+}
+
+S32 LLViewerRegion::getHttpResponderID() const
+{
+    return mImpl->mHttpResponderID;
+}
+
+bool LLViewerRegion::pointInRegionGlobal(const LLVector3d &point_global) const
+{
+    LLVector3 pos_region = getPosRegionFromGlobal(point_global);
+
+    if (pos_region.mV[VX] < 0)
+    {
+        return false;
+    }
+    if (pos_region.mV[VX] >= mWidth)
+    {
+        return false;
+    }
+    if (pos_region.mV[VY] < 0)
+    {
+        return false;
+    }
+    if (pos_region.mV[VY] >= mWidth)
+    {
+        return false;
+    }
+    return true;
+}
+
+LLVector3 LLViewerRegion::getPosRegionFromGlobal(const LLVector3d &point_global) const
+{
+    LLVector3 pos_region;
+    pos_region.setVec(point_global - mImpl->mOriginGlobal);
+    return pos_region;
+}
+
+LLVector3d LLViewerRegion::getPosGlobalFromRegion(const LLVector3 &pos_region) const
+{
+    LLVector3d pos_region_d;
+    pos_region_d.setVec(pos_region);
+    return pos_region_d + mImpl->mOriginGlobal;
+}
+
+LLVector3 LLViewerRegion::getPosAgentFromRegion(const LLVector3 &pos_region) const
+{
+    LLVector3d pos_global = getPosGlobalFromRegion(pos_region);
+
+    return gAgent.getPosAgentFromGlobal(pos_global);
+}
+
+LLVector3 LLViewerRegion::getPosRegionFromAgent(const LLVector3 &pos_agent) const
+{
+    return pos_agent - getOriginAgent();
+}
+
+F32 LLViewerRegion::getLandHeightRegion(const LLVector3& region_pos)
+{
+    return mImpl->mLandp->resolveHeightRegion( region_pos );
+}
+
+bool LLViewerRegion::isAlive()
+{
+    return mAlive;
+}
+
+bool LLViewerRegion::isOwnedSelf(const LLVector3& pos)
+{
+    if (mParcelOverlay)
+    {
+        return mParcelOverlay->isOwnedSelf(pos);
+    } else {
+        return false;
+    }
+}
+
+// Owned by a group you belong to?  (officer or member)
+bool LLViewerRegion::isOwnedGroup(const LLVector3& pos)
+{
+    if (mParcelOverlay)
+    {
+        return mParcelOverlay->isOwnedGroup(pos);
+    } else {
+        return false;
+    }
+}
+
+// the new TCP coarse location handler node
+class CoarseLocationUpdate : public LLHTTPNode
+{
+public:
+    virtual void post(
+        ResponsePtr responder,
+        const LLSD& context,
+        const LLSD& input) const
+    {
+        LLHost host(input["sender"].asString());
+
+        LLWorld *world_inst = LLWorld::getInstance(); // Not a singleton!
+        if (!world_inst)
+        {
+            return;
+        }
+
+        LLViewerRegion* region = world_inst->getRegion(host);
+        if( !region )
+        {
+            return;
+        }
+
+        S32 target_index = input["body"]["Index"][0]["Prey"].asInteger();
+        S32 you_index    = input["body"]["Index"][0]["You" ].asInteger();
+
+        std::vector<U32>* avatar_locs = &region->mMapAvatars;
+        std::vector<LLUUID>* avatar_ids = &region->mMapAvatarIDs;
+        avatar_locs->clear();
+        avatar_ids->clear();
+
+        //LL_INFOS() << "coarse locations agent[0] " << input["body"]["AgentData"][0]["AgentID"].asUUID() << LL_ENDL;
+        //LL_INFOS() << "my agent id = " << gAgent.getID() << LL_ENDL;
+        //LL_INFOS() << ll_pretty_print_sd(input) << LL_ENDL;
+
+        LLSD
+            locs   = input["body"]["Location"],
+            agents = input["body"]["AgentData"];
+        LLSD::array_iterator
+            locs_it = locs.beginArray(),
+            agents_it = agents.beginArray();
+        bool has_agent_data = input["body"].has("AgentData");
+
+        for(int i=0;
+            locs_it != locs.endArray();
+            i++, locs_it++)
+        {
+            U8
+                x = locs_it->get("X").asInteger(),
+                y = locs_it->get("Y").asInteger(),
+                z = locs_it->get("Z").asInteger();
+            // treat the target specially for the map, and don't add you or the target
+            if(i == target_index)
+            {
+                LLVector3d global_pos(region->getOriginGlobal());
+                global_pos.mdV[VX] += (F64)x;
+                global_pos.mdV[VY] += (F64)y;
+                global_pos.mdV[VZ] += (F64)z * 4.0;
+                LLAvatarTracker::instance().setTrackedCoarseLocation(global_pos);
+            }
+            else if( i != you_index)
+            {
+                U32 pos = 0x0;
+                pos |= x;
+                pos <<= 8;
+                pos |= y;
+                pos <<= 8;
+                pos |= z;
+                avatar_locs->push_back(pos);
+                //LL_INFOS() << "next pos: " << x << "," << y << "," << z << ": " << pos << LL_ENDL;
+                if(has_agent_data) // for backwards compatibility with old message format
+                {
+                    LLUUID agent_id(agents_it->get("AgentID").asUUID());
+                    //LL_INFOS() << "next agent: " << agent_id.asString() << LL_ENDL;
+                    avatar_ids->push_back(agent_id);
+                }
+            }
+            if (has_agent_data)
+            {
+                agents_it++;
+            }
+        }
+    }
+};
+
+// build the coarse location HTTP node under the "/message" URL
+LLHTTPRegistration<CoarseLocationUpdate>
+   gHTTPRegistrationCoarseLocationUpdate(
+       "/message/CoarseLocationUpdate");
+
+
+// the deprecated coarse location handler
+void LLViewerRegion::updateCoarseLocations(LLMessageSystem* msg)
+{
+    //LL_INFOS() << "CoarseLocationUpdate" << LL_ENDL;
+    mMapAvatars.clear();
+    mMapAvatarIDs.clear(); // only matters in a rare case but it's good to be safe.
+
+    U8 x_pos = 0;
+    U8 y_pos = 0;
+    U8 z_pos = 0;
+
+    U32 pos = 0x0;
+
+    S16 agent_index;
+    S16 target_index;
+    msg->getS16Fast(_PREHASH_Index, _PREHASH_You, agent_index);
+    msg->getS16Fast(_PREHASH_Index, _PREHASH_Prey, target_index);
+
+    bool has_agent_data = msg->has(_PREHASH_AgentData);
+    S32 count = msg->getNumberOfBlocksFast(_PREHASH_Location);
+    for(S32 i = 0; i < count; i++)
+    {
+        msg->getU8Fast(_PREHASH_Location, _PREHASH_X, x_pos, i);
+        msg->getU8Fast(_PREHASH_Location, _PREHASH_Y, y_pos, i);
+        msg->getU8Fast(_PREHASH_Location, _PREHASH_Z, z_pos, i);
+        LLUUID agent_id = LLUUID::null;
+        if(has_agent_data)
+        {
+            msg->getUUIDFast(_PREHASH_AgentData, _PREHASH_AgentID, agent_id, i);
+        }
+
+        //LL_INFOS() << "  object X: " << (S32)x_pos << " Y: " << (S32)y_pos
+        //      << " Z: " << (S32)(z_pos * 4)
+        //      << LL_ENDL;
+
+        // treat the target specially for the map
+        if(i == target_index)
+        {
+            LLVector3d global_pos(mImpl->mOriginGlobal);
+            global_pos.mdV[VX] += (F64)(x_pos);
+            global_pos.mdV[VY] += (F64)(y_pos);
+            global_pos.mdV[VZ] += (F64)(z_pos) * 4.0;
+            LLAvatarTracker::instance().setTrackedCoarseLocation(global_pos);
+        }
+
+        //don't add you
+        if( i != agent_index)
+        {
+            pos = 0x0;
+            pos |= x_pos;
+            pos <<= 8;
+            pos |= y_pos;
+            pos <<= 8;
+            pos |= z_pos;
+            mMapAvatars.push_back(pos);
+            if(has_agent_data)
+            {
+                mMapAvatarIDs.push_back(agent_id);
+            }
+        }
+    }
+}
+
+void LLViewerRegion::getInfo(LLSD& info)
+{
+    info["Region"]["Host"] = getHost().getIPandPort();
+    info["Region"]["Name"] = getName();
+    U32 x, y;
+    from_region_handle(getHandle(), &x, &y);
+    info["Region"]["Handle"]["x"] = (LLSD::Integer)x;
+    info["Region"]["Handle"]["y"] = (LLSD::Integer)y;
+}
+
+void LLViewerRegion::requestSimulatorFeatures()
+{
+    LL_DEBUGS("SimulatorFeatures") << "region " << getName() << " ptr " << this
+                                   << " trying to request SimulatorFeatures" << LL_ENDL;
+    // kick off a request for simulator features
+    std::string url = getCapability("SimulatorFeatures");
+    if (!url.empty())
+    {
+        std::string coroname =
+            LLCoros::instance().launch("LLViewerRegionImpl::requestSimulatorFeatureCoro",
+                                       boost::bind(&LLViewerRegionImpl::requestSimulatorFeatureCoro, url, getHandle()));
+
+        // requestSimulatorFeatures can be called from other coros,
+        // launch() acts like a suspend()
+        // Make sure we are still good to do
+        LLCoros::checkStop();
+
+        LL_INFOS("AppInit", "SimulatorFeatures") << "Launching " << coroname << " requesting simulator features from " << url << " for region " << getRegionID() << LL_ENDL;
+    }
+    else
+    {
+        LL_WARNS("AppInit", "SimulatorFeatures") << "SimulatorFeatures cap not set" << LL_ENDL;
+    }
+}
+
+boost::signals2::connection LLViewerRegion::setSimulatorFeaturesReceivedCallback(const caps_received_signal_t::slot_type& cb)
+{
+    return mSimulatorFeaturesReceivedSignal.connect(cb);
+}
+
+void LLViewerRegion::setSimulatorFeaturesReceived(bool received)
+{
+    mSimulatorFeaturesReceived = received;
+    if (received)
+    {
+        mSimulatorFeaturesReceivedSignal(getRegionID(), this);
+        mSimulatorFeaturesReceivedSignal.disconnect_all_slots();
+    }
+}
+
+bool LLViewerRegion::simulatorFeaturesReceived() const
+{
+    return mSimulatorFeaturesReceived;
+}
+
+void LLViewerRegion::getSimulatorFeatures(LLSD& sim_features) const
+{
+    sim_features = mSimulatorFeatures;
+
+}
+
+void LLViewerRegion::setSimulatorFeatures(const LLSD& sim_features)
+{
+    std::stringstream str;
+
+    LLSDSerialize::toPrettyXML(sim_features, str);
+    LL_INFOS() << "region " << getName() << " "  << str.str() << LL_ENDL;
+    mSimulatorFeatures = sim_features;
+
+    setSimulatorFeaturesReceived(true);
+
+}
+
+//this is called when the parent is not cacheable.
+//move all orphan children out of cache and insert to rendering octree.
+void LLViewerRegion::findOrphans(U32 parent_id)
+{
+    orphan_list_t::iterator iter = mOrphanMap.find(parent_id);
+    if(iter != mOrphanMap.end())
+    {
+        std::vector<U32>* children = &mOrphanMap[parent_id];
+        for(S32 i = 0; i < children->size(); i++)
+        {
+            //parent is visible, so is the child.
+            addVisibleChildCacheEntry(NULL, getCacheEntry((*children)[i]));
+        }
+        children->clear();
+        mOrphanMap.erase(parent_id);
+    }
+}
+
+void LLViewerRegion::decodeBoundingInfo(LLVOCacheEntry* entry)
+{
+    if(!sVOCacheCullingEnabled)
+    {
+        gObjectList.processObjectUpdateFromCache(entry, this);
+        return;
+    }
+    if(!entry || !entry->isValid())
+    {
+        return;
+    }
+
+    if(!entry->getEntry())
+    {
+        entry->setOctreeEntry(NULL);
+    }
+
+    if(entry->getEntry()->hasDrawable()) //already in the rendering pipeline
+    {
+        LLViewerRegion* old_regionp = ((LLDrawable*)entry->getEntry()->getDrawable())->getRegion();
+        if(old_regionp != this && old_regionp)
+        {
+            LLViewerObject* obj = ((LLDrawable*)entry->getEntry()->getDrawable())->getVObj();
+            if(obj)
+            {
+                //remove from old region
+                old_regionp->killCacheEntry(obj->getLocalID());
+
+                //change region
+                obj->setRegion(this);
+            }
+        }
+
+        addActiveCacheEntry(entry);
+
+        //set parent id
+        U32 parent_id = 0;
+        if (entry->getDP()) // NULL if nothing cached
+        {
+            LLViewerObject::unpackParentID(entry->getDP(), parent_id);
+        }
+        if(parent_id != entry->getParentID())
+        {
+            entry->setParentID(parent_id);
+        }
+
+        //update the object
+        gObjectList.processObjectUpdateFromCache(entry, this);
+        return; //done
+    }
+
+    //must not be active.
+    llassert_always(!entry->isState(LLVOCacheEntry::ACTIVE));
+    removeFromVOCacheTree(entry); //remove from cache octree if it is in.
+
+    LLVector3 pos;
+    LLVector3 scale;
+    LLQuaternion rot;
+
+    //decode spatial info and parent info
+    U32 parent_id = entry->getDP() ? LLViewerObject::extractSpatialExtents(entry->getDP(), pos, scale, rot) : entry->getParentID();
+
+    U32 old_parent_id = entry->getParentID();
+    bool same_old_parent = false;
+    if(parent_id != old_parent_id) //parent changed.
+    {
+        if(old_parent_id > 0) //has an old parent, disconnect it
+        {
+            LLVOCacheEntry* old_parent = getCacheEntry(old_parent_id);
+            if(old_parent)
+            {
+                old_parent->removeChild(entry);
+                if(!old_parent->isState(LLVOCacheEntry::INACTIVE))
+                {
+                    mImpl->mVisibleEntries.erase(entry);
+                    entry->setState(LLVOCacheEntry::INACTIVE);
+                }
+            }
+        }
+        entry->setParentID(parent_id);
+    }
+    else
+    {
+        same_old_parent = true;
+    }
+
+    if(parent_id > 0) //has a new parent
+    {
+        //1, find the parent in cache
+        LLVOCacheEntry* parent = getCacheEntry(parent_id);
+
+        //2, parent is not in the cache, put into the orphan list.
+        if(!parent)
+        {
+            if(!same_old_parent)
+            {
+                //check if parent is non-cacheable and already created
+                if(isNonCacheableObjectCreated(parent_id))
+                {
+                    //parent is visible, so is the child.
+                    addVisibleChildCacheEntry(NULL, entry);
+                }
+                else
+                {
+                    entry->setBoundingInfo(pos, scale);
+                    mOrphanMap[parent_id].push_back(entry->getLocalID());
+                }
+            }
+            else
+            {
+                entry->setBoundingInfo(pos, scale);
+            }
+        }
+        else //parent in cache.
+        {
+            if(!parent->isState(LLVOCacheEntry::INACTIVE))
+            {
+                //parent is visible, so is the child.
+                addVisibleChildCacheEntry(parent, entry);
+            }
+            else
+            {
+                entry->setBoundingInfo(pos, scale);
+                parent->addChild(entry);
+
+                if(parent->getGroup()) //re-insert parent to vo-cache tree because its bounding info changed.
+                {
+                    removeFromVOCacheTree(parent);
+                    addToVOCacheTree(parent);
+                }
+            }
+        }
+
+        return;
+    }
+
+    //
+    //no parent
+    //
+    entry->setBoundingInfo(pos, scale);
+
+    if(!parent_id) //a potential parent
+    {
+        //find all children and update their bounding info
+        orphan_list_t::iterator iter = mOrphanMap.find(entry->getLocalID());
+        if(iter != mOrphanMap.end())
+        {
+            std::vector<U32>* orphans = &mOrphanMap[entry->getLocalID()];
+            S32 size = orphans->size();
+            for(S32 i = 0; i < size; i++)
+            {
+                LLVOCacheEntry* child = getCacheEntry((*orphans)[i]);
+                if(child)
+                {
+                    entry->addChild(child);
+                }
+            }
+            orphans->clear();
+            mOrphanMap.erase(entry->getLocalID());
+        }
+    }
+
+    if(!entry->getGroup() && entry->isState(LLVOCacheEntry::INACTIVE))
+    {
+        addToVOCacheTree(entry);
+    }
+    return ;
+}
+
+LLViewerRegion::eCacheUpdateResult LLViewerRegion::cacheFullUpdate(LLDataPackerBinaryBuffer &dp, U32 flags)
+{
+    eCacheUpdateResult result;
+    U32 crc;
+    U32 local_id;
+
+    LLViewerObject::unpackU32(&dp, local_id, "LocalID");
+    LLViewerObject::unpackU32(&dp, crc, "CRC");
+
+    LLVOCacheEntry* entry = getCacheEntry(local_id, false);
+
+    if (entry)
+    {
+        entry->setValid();
+
+        // we've seen this object before
+        if (entry->getCRC() == crc)
+        {
+            LL_DEBUGS("AnimatedObjects") << " got dupe for local_id " << local_id << LL_ENDL;
+            dumpStack("AnimatedObjectsStack");
+
+            // Record a hit
+            entry->recordDupe();
+            result = CACHE_UPDATE_DUPE;
+        }
+        else //CRC changed
+        {
+            LL_DEBUGS("AnimatedObjects") << " got update for local_id " << local_id << LL_ENDL;
+            dumpStack("AnimatedObjectsStack");
+
+            // Update the cache entry
+            entry->updateEntry(crc, dp);
+
+            decodeBoundingInfo(entry);
+
+            result = CACHE_UPDATE_CHANGED;
+        }
+    }
+    else
+    {
+        LL_DEBUGS("AnimatedObjects") << " got first notification for local_id " << local_id << LL_ENDL;
+        dumpStack("AnimatedObjectsStack");
+
+        // we haven't seen this object before
+        // Create new entry and add to map
+        result = CACHE_UPDATE_ADDED;
+        entry = new LLVOCacheEntry(local_id, crc, dp);
+        record(LLStatViewer::OBJECT_CACHE_HIT_RATE, LLUnits::Ratio::fromValue(0));
+
+        mImpl->mCacheMap[local_id] = entry;
+
+        decodeBoundingInfo(entry);
+    }
+    entry->setUpdateFlags(flags);
+
+    return result;
+    }
+
+LLViewerRegion::eCacheUpdateResult LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinaryBuffer &dp, U32 flags)
+{
+    eCacheUpdateResult result = cacheFullUpdate(dp, flags);
+
+    return result;
+}
+
+void LLViewerRegion::cacheFullUpdateGLTFOverride(const LLGLTFOverrideCacheEntry &override_data)
+{
+    U32 local_id = override_data.mLocalId;
+    mImpl->mGLTFOverridesLLSD[local_id] = override_data;
+}
+
+LLVOCacheEntry* LLViewerRegion::getCacheEntryForOctree(U32 local_id)
+{
+    if(!sVOCacheCullingEnabled)
+    {
+        return NULL;
+    }
+
+    LLVOCacheEntry* entry = getCacheEntry(local_id);
+    removeFromVOCacheTree(entry);
+
+    return entry;
+}
+
+LLVOCacheEntry* LLViewerRegion::getCacheEntry(U32 local_id, bool valid)
+{
+    LLVOCacheEntry::vocache_entry_map_t::iterator iter = mImpl->mCacheMap.find(local_id);
+    if(iter != mImpl->mCacheMap.end())
+    {
+        if(!valid || iter->second->isValid())
+        {
+            return iter->second;
+        }
+    }
+    return NULL;
+}
+
+void LLViewerRegion::addCacheMiss(U32 id, LLViewerRegion::eCacheMissType cache_miss_type)
+{
+    mRegionCacheMissCount++;
+    mCacheMissList.push_back(CacheMissItem(id, cache_miss_type));
+}
+
+//check if a non-cacheable object is already created.
+bool LLViewerRegion::isNonCacheableObjectCreated(U32 local_id)
+{
+    if(mImpl && local_id > 0 && mImpl->mNonCacheableCreatedList.find(local_id) != mImpl->mNonCacheableCreatedList.end())
+    {
+        return true;
+    }
+    return false;
+}
+
+void LLViewerRegion::removeFromCreatedList(U32 local_id)
+{
+    if(mImpl && local_id > 0)
+    {
+        std::set<U32>::iterator iter = mImpl->mNonCacheableCreatedList.find(local_id);
+        if(iter != mImpl->mNonCacheableCreatedList.end())
+        {
+            mImpl->mNonCacheableCreatedList.erase(iter);
+        }
+    }
+    }
+
+void LLViewerRegion::addToCreatedList(U32 local_id)
+{
+    if(mImpl && local_id > 0)
+    {
+        mImpl->mNonCacheableCreatedList.insert(local_id);
+    }
+}
+
+// Get data packer for this object, if we have cached data
+// AND the CRC matches. JC
+bool LLViewerRegion::probeCache(U32 local_id, U32 crc, U32 flags, U8 &cache_miss_type)
+{
+    //llassert(mCacheLoaded);  This assert failes often, changing to early-out -- davep, 2010/10/18
+
+    LLVOCacheEntry* entry = getCacheEntry(local_id, false);
+
+    if (entry)
+    {
+        // we've seen this object before
+        if (entry->getCRC() == crc)
+        {
+            // Record a hit
+            mRegionCacheHitCount++;
+            entry->recordHit();
+            cache_miss_type = CACHE_MISS_TYPE_NONE;
+            entry->setUpdateFlags(flags);
+
+            if(entry->isState(LLVOCacheEntry::ACTIVE))
+            {
+                ((LLDrawable*)entry->getEntry()->getDrawable())->getVObj()->loadFlags(flags);
+                return true;
+            }
+
+            if(entry->isValid())
+            {
+                return true; //already probed
+            }
+
+            entry->setValid();
+            decodeBoundingInfo(entry);
+
+            //loadCacheMiscExtras(local_id, entry, crc);
+
+            return true;
+        }
+        else
+        {
+            // LL_INFOS() << "CRC miss for " << local_id << LL_ENDL;
+
+            addCacheMiss(local_id, CACHE_MISS_TYPE_CRC);
+            cache_miss_type = CACHE_MISS_TYPE_CRC;
+        }
+    }
+    else
+    {   // Total miss, don't have the object in cache
+        // LL_INFOS() << "Cache miss for " << local_id << LL_ENDL;
+        addCacheMiss(local_id, CACHE_MISS_TYPE_TOTAL);
+        cache_miss_type = CACHE_MISS_TYPE_TOTAL;
+    }
+
+    return false;
+}
+
+void LLViewerRegion::addCacheMissFull(const U32 local_id)
+{
+    addCacheMiss(local_id, CACHE_MISS_TYPE_TOTAL);
+}
+
+void LLViewerRegion::requestCacheMisses()
+{
+    if (!mCacheMissList.size())
+    {
+        return;
+    }
+
+    LLMessageSystem* msg = gMessageSystem;
+    bool start_new_message = true;
+    S32 blocks = 0;
+
+    //send requests for all cache-missed objects
+    for (CacheMissItem::cache_miss_list_t::iterator iter = mCacheMissList.begin(); iter != mCacheMissList.end(); ++iter)
+    {
+        if (start_new_message)
+        {
+            msg->newMessageFast(_PREHASH_RequestMultipleObjects);
+            msg->nextBlockFast(_PREHASH_AgentData);
+            msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
+            msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
+            start_new_message = false;
+        }
+
+        msg->nextBlockFast(_PREHASH_ObjectData);
+        msg->addU8Fast(_PREHASH_CacheMissType, (*iter).mType);
+        msg->addU32Fast(_PREHASH_ID, (*iter).mID);
+
+        LL_DEBUGS("AnimatedObjects") << "Requesting cache missed object " << (*iter).mID << LL_ENDL;
+
+        blocks++;
+
+        if (blocks >= 255)
+        {
+            sendReliableMessage();
+            start_new_message = true;
+            blocks = 0;
+        }
+    }
+
+    // finish any pending message
+    if (!start_new_message)
+    {
+        sendReliableMessage();
+    }
+
+    mCacheDirty = true ;
+    // LL_INFOS() << "KILLDEBUG Sent cache miss full " << full_count << " crc " << crc_count << LL_ENDL;
+    LLViewerStatsRecorder::instance().requestCacheMissesEvent(mCacheMissList.size());
+
+    mCacheMissList.clear();
+}
+
+void LLViewerRegion::dumpCache()
+{
+    const S32 BINS = 4;
+    S32 hit_bin[BINS];
+    S32 change_bin[BINS];
+
+    S32 i;
+    for (i = 0; i < BINS; ++i)
+    {
+        hit_bin[i] = 0;
+        change_bin[i] = 0;
+    }
+
+    LLVOCacheEntry *entry;
+    for(LLVOCacheEntry::vocache_entry_map_t::iterator iter = mImpl->mCacheMap.begin(); iter != mImpl->mCacheMap.end(); ++iter)
+    {
+        entry = iter->second ;
+
+        S32 hits = entry->getHitCount();
+        S32 changes = entry->getCRCChangeCount();
+
+        hits = llclamp(hits, 0, BINS-1);
+        changes = llclamp(changes, 0, BINS-1);
+
+        hit_bin[hits]++;
+        change_bin[changes]++;
+    }
+
+    LL_INFOS() << "Count " << mImpl->mCacheMap.size() << LL_ENDL;
+    for (i = 0; i < BINS; i++)
+    {
+        LL_INFOS() << "Hits " << i << " " << hit_bin[i] << LL_ENDL;
+    }
+    for (i = 0; i < BINS; i++)
+    {
+        LL_INFOS() << "Changes " << i << " " << change_bin[i] << LL_ENDL;
+    }
+    // TODO - add overrides cache too
+}
+
+void LLViewerRegion::unpackRegionHandshake()
+{
+    LLMessageSystem *msg = gMessageSystem;
+
+    U64 region_flags = 0;
+    U64 region_protocols = 0;
+    U8 sim_access;
+    std::string sim_name;
+    LLUUID sim_owner;
+    bool is_estate_manager;
+    F32 water_height;
+    F32 billable_factor;
+    LLUUID cache_id;
+
+    msg->getU8      ("RegionInfo", "SimAccess", sim_access);
+    msg->getString  ("RegionInfo", "SimName", sim_name);
+    msg->getUUID    ("RegionInfo", "SimOwner", sim_owner);
+    msg->getBOOL    ("RegionInfo", "IsEstateManager", is_estate_manager);
+    msg->getF32     ("RegionInfo", "WaterHeight", water_height);
+    msg->getF32     ("RegionInfo", "BillableFactor", billable_factor);
+    msg->getUUID    ("RegionInfo", "CacheID", cache_id );
+
+    if (msg->has(_PREHASH_RegionInfo4))
+    {
+        msg->getU64Fast(_PREHASH_RegionInfo4, _PREHASH_RegionFlagsExtended, region_flags);
+        msg->getU64Fast(_PREHASH_RegionInfo4, _PREHASH_RegionProtocols, region_protocols);
+    }
+    else
+    {
+        U32 flags = 0;
+        msg->getU32Fast(_PREHASH_RegionInfo, _PREHASH_RegionFlags, flags);
+        region_flags = flags;
+    }
+
+    setRegionFlags(region_flags);
+    setRegionProtocols(region_protocols);
+    setSimAccess(sim_access);
+    setRegionNameAndZone(sim_name);
+    setOwner(sim_owner);
+    setIsEstateManager(is_estate_manager);
+    setWaterHeight(water_height);
+    setBillableFactor(billable_factor);
+    setCacheID(cache_id);
+
+    LLUUID region_id;
+    msg->getUUID("RegionInfo2", "RegionID", region_id);
+    setRegionID(region_id);
+
+    // Retrieve the CR-53 (Homestead/Land SKU) information
+    S32 classID = 0;
+    S32 cpuRatio = 0;
+    std::string coloName;
+    std::string productSKU;
+    std::string productName;
+
+    // the only reasonable way to decide if we actually have any data is to
+    // check to see if any of these fields have positive sizes
+    if (msg->getSize("RegionInfo3", "ColoName") > 0 ||
+        msg->getSize("RegionInfo3", "ProductSKU") > 0 ||
+        msg->getSize("RegionInfo3", "ProductName") > 0)
+    {
+        msg->getS32     ("RegionInfo3", "CPUClassID",  classID);
+        msg->getS32     ("RegionInfo3", "CPURatio",    cpuRatio);
+        msg->getString  ("RegionInfo3", "ColoName",    coloName);
+        msg->getString  ("RegionInfo3", "ProductSKU",  productSKU);
+        msg->getString  ("RegionInfo3", "ProductName", productName);
+
+        mClassID = classID;
+        mCPURatio = cpuRatio;
+        mColoName = coloName;
+        mProductSKU = productSKU;
+        mProductName = productName;
+    }
+
+    mCentralBakeVersion = region_protocols & 1; // was (S32)gSavedSettings.getBOOL("UseServerTextureBaking");
+    LLVLComposition *compp = getComposition();
+    if (compp)
+    {
+        LLUUID tmp_id;
+
+        bool changed = false;
+
+        // Get the 4 textures for land
+        msg->getUUID("RegionInfo", "TerrainDetail0", tmp_id);
+        changed |= (tmp_id != compp->getDetailTextureID(0));
+        compp->setDetailTextureID(0, tmp_id);
+
+        msg->getUUID("RegionInfo", "TerrainDetail1", tmp_id);
+        changed |= (tmp_id != compp->getDetailTextureID(1));
+        compp->setDetailTextureID(1, tmp_id);
+
+        msg->getUUID("RegionInfo", "TerrainDetail2", tmp_id);
+        changed |= (tmp_id != compp->getDetailTextureID(2));
+        compp->setDetailTextureID(2, tmp_id);
+
+        msg->getUUID("RegionInfo", "TerrainDetail3", tmp_id);
+        changed |= (tmp_id != compp->getDetailTextureID(3));
+        compp->setDetailTextureID(3, tmp_id);
+
+        // Get the start altitude and range values for land textures
+        F32 tmp_f32;
+        msg->getF32("RegionInfo", "TerrainStartHeight00", tmp_f32);
+        changed |= (tmp_f32 != compp->getStartHeight(0));
+        compp->setStartHeight(0, tmp_f32);
+
+        msg->getF32("RegionInfo", "TerrainStartHeight01", tmp_f32);
+        changed |= (tmp_f32 != compp->getStartHeight(1));
+        compp->setStartHeight(1, tmp_f32);
+
+        msg->getF32("RegionInfo", "TerrainStartHeight10", tmp_f32);
+        changed |= (tmp_f32 != compp->getStartHeight(2));
+        compp->setStartHeight(2, tmp_f32);
+
+        msg->getF32("RegionInfo", "TerrainStartHeight11", tmp_f32);
+        changed |= (tmp_f32 != compp->getStartHeight(3));
+        compp->setStartHeight(3, tmp_f32);
+
+
+        msg->getF32("RegionInfo", "TerrainHeightRange00", tmp_f32);
+        changed |= (tmp_f32 != compp->getHeightRange(0));
+        compp->setHeightRange(0, tmp_f32);
+
+        msg->getF32("RegionInfo", "TerrainHeightRange01", tmp_f32);
+        changed |= (tmp_f32 != compp->getHeightRange(1));
+        compp->setHeightRange(1, tmp_f32);
+
+        msg->getF32("RegionInfo", "TerrainHeightRange10", tmp_f32);
+        changed |= (tmp_f32 != compp->getHeightRange(2));
+        compp->setHeightRange(2, tmp_f32);
+
+        msg->getF32("RegionInfo", "TerrainHeightRange11", tmp_f32);
+        changed |= (tmp_f32 != compp->getHeightRange(3));
+        compp->setHeightRange(3, tmp_f32);
+
+        // If this is an UPDATE (params already ready, we need to regenerate
+        // all of our terrain stuff, by
+        if (compp->getParamsReady())
+        {
+            // Update if the land changed
+            if (changed)
+            {
+                getLand().dirtyAllPatches();
+            }
+        }
+        else
+        {
+            compp->setParamsReady();
+        }
+    }
+
+
+    // Now that we have the name, we can load the cache file
+    // off disk.
+    loadObjectCache();
+
+    // After loading cache, signal that simulator can start
+    // sending data.
+    // TODO: Send all upstream viewer->sim handshake info here.
+    LLHost host = msg->getSender();
+    msg->newMessage("RegionHandshakeReply");
+    msg->nextBlock("AgentData");
+    msg->addUUID("AgentID", gAgent.getID());
+    msg->addUUID("SessionID", gAgent.getSessionID());
+    msg->nextBlock("RegionInfo");
+
+    U32 flags = 0;
+    flags |= REGION_HANDSHAKE_SUPPORTS_SELF_APPEARANCE;
+
+    if(sVOCacheCullingEnabled)
+    {
+        flags |= 0x00000001; //set the bit 0 to be 1 to ask sim to send all cacheable objects.
+    }
+    if(mImpl->mCacheMap.empty())
+    {
+        flags |= 0x00000002; //set the bit 1 to be 1 to tell sim the cache file is empty, no need to send cache probes.
+    }
+    msg->addU32("Flags", flags );
+    msg->sendReliable(host);
+
+    mRegionTimer.reset(); //reset region timer.
+}
+
+// static
+void LLViewerRegionImpl::buildCapabilityNames(LLSD& capabilityNames)
+{
+    capabilityNames.append("AbuseCategories");
+    capabilityNames.append("AcceptFriendship");
+    capabilityNames.append("AcceptGroupInvite"); // ReadOfflineMsgs recieved messages only!!!
+    capabilityNames.append("AgentPreferences");
+    capabilityNames.append("AgentProfile");
+    capabilityNames.append("AgentState");
+    capabilityNames.append("AttachmentResources");
+    capabilityNames.append("AvatarPickerSearch");
+    capabilityNames.append("AvatarRenderInfo");
+    capabilityNames.append("CharacterProperties");
+    capabilityNames.append("ChatSessionRequest");
+    capabilityNames.append("CopyInventoryFromNotecard");
+    capabilityNames.append("CreateInventoryCategory");
+    capabilityNames.append("DeclineFriendship");
+    capabilityNames.append("DeclineGroupInvite"); // ReadOfflineMsgs recieved messages only!!!
+    capabilityNames.append("DispatchRegionInfo");
+    capabilityNames.append("DirectDelivery");
+    capabilityNames.append("EnvironmentSettings");
+    capabilityNames.append("EstateAccess");
+    capabilityNames.append("EstateChangeInfo");
+    capabilityNames.append("EventQueueGet");
+    capabilityNames.append("ExtEnvironment");
+
+    capabilityNames.append("FetchLib2");
+    capabilityNames.append("FetchLibDescendents2");
+    capabilityNames.append("FetchInventory2");
+    capabilityNames.append("FetchInventoryDescendents2");
+    capabilityNames.append("IncrementCOFVersion");
+    AISAPI::getCapNames(capabilityNames);
+
+    capabilityNames.append("InterestList");
+
+    capabilityNames.append("InventoryThumbnailUpload");
+    capabilityNames.append("GetDisplayNames");
+    capabilityNames.append("GetExperiences");
+    capabilityNames.append("AgentExperiences");
+    capabilityNames.append("FindExperienceByName");
+    capabilityNames.append("GetExperienceInfo");
+    capabilityNames.append("GetAdminExperiences");
+    capabilityNames.append("GetCreatorExperiences");
+    capabilityNames.append("ExperiencePreferences");
+    capabilityNames.append("GroupExperiences");
+    capabilityNames.append("UpdateExperience");
+    capabilityNames.append("IsExperienceAdmin");
+    capabilityNames.append("IsExperienceContributor");
+    capabilityNames.append("RegionExperiences");
+    capabilityNames.append("ExperienceQuery");
+    capabilityNames.append("GetMetadata");
+    capabilityNames.append("GetObjectCost");
+    capabilityNames.append("GetObjectPhysicsData");
+    capabilityNames.append("GroupAPIv1");
+    capabilityNames.append("GroupMemberData");
+    capabilityNames.append("GroupProposalBallot");
+    capabilityNames.append("HomeLocation");
+    capabilityNames.append("LandResources");
+    capabilityNames.append("LSLSyntax");
+    capabilityNames.append("MapLayer");
+    capabilityNames.append("MapLayerGod");
+    capabilityNames.append("MeshUploadFlag");
+    capabilityNames.append("ModifyMaterialParams");
+    capabilityNames.append("NavMeshGenerationStatus");
+    capabilityNames.append("NewFileAgentInventory");
+    capabilityNames.append("ObjectAnimation");
+    capabilityNames.append("ObjectMedia");
+    capabilityNames.append("ObjectMediaNavigate");
+    capabilityNames.append("ObjectNavMeshProperties");
+    capabilityNames.append("ParcelPropertiesUpdate");
+    capabilityNames.append("ParcelVoiceInfoRequest");
+    capabilityNames.append("ProductInfoRequest");
+    capabilityNames.append("ProvisionVoiceAccountRequest");
+    capabilityNames.append("ReadOfflineMsgs"); // Requires to respond reliably: AcceptFriendship, AcceptGroupInvite, DeclineFriendship, DeclineGroupInvite
+    capabilityNames.append("RegionObjects");
+    capabilityNames.append("RemoteParcelRequest");
+    capabilityNames.append("RenderMaterials");
+    capabilityNames.append("RequestTextureDownload");
+    capabilityNames.append("ResourceCostSelected");
+    capabilityNames.append("RetrieveNavMeshSrc");
+    capabilityNames.append("SearchStatRequest");
+    capabilityNames.append("SearchStatTracking");
+    capabilityNames.append("SendPostcard");
+    capabilityNames.append("SendUserReport");
+    capabilityNames.append("SendUserReportWithScreenshot");
+    capabilityNames.append("ServerReleaseNotes");
+    capabilityNames.append("SetDisplayName");
+    capabilityNames.append("SimConsoleAsync");
+    capabilityNames.append("SimulatorFeatures");
+    capabilityNames.append("StartGroupProposal");
+    capabilityNames.append("TerrainNavMeshProperties");
+    capabilityNames.append("TextureStats");
+    capabilityNames.append("UntrustedSimulatorMessage");
+    capabilityNames.append("UpdateAgentInformation");
+    capabilityNames.append("UpdateAgentLanguage");
+    capabilityNames.append("UpdateAvatarAppearance");
+    capabilityNames.append("UpdateGestureAgentInventory");
+    capabilityNames.append("UpdateGestureTaskInventory");
+    capabilityNames.append("UpdateNotecardAgentInventory");
+    capabilityNames.append("UpdateNotecardTaskInventory");
+    capabilityNames.append("UpdateScriptAgent");
+    capabilityNames.append("UpdateScriptTask");
+    capabilityNames.append("UpdateSettingsAgentInventory");
+    capabilityNames.append("UpdateSettingsTaskInventory");
+    capabilityNames.append("UploadAgentProfileImage");
+    capabilityNames.append("UpdateMaterialAgentInventory");
+    capabilityNames.append("UpdateMaterialTaskInventory");
+    capabilityNames.append("UploadBakedTexture");
+    capabilityNames.append("UserInfo");
+    capabilityNames.append("ViewerAsset");
+    capabilityNames.append("ViewerBenefits");
+    capabilityNames.append("ViewerMetrics");
+    capabilityNames.append("ViewerStartAuction");
+    capabilityNames.append("ViewerStats");
+
+    // Please add new capabilities alphabetically to reduce
+    // merge conflicts.
+}
+
+void LLViewerRegion::setSeedCapability(const std::string& url)
+{
+    if (getCapability("Seed") == url)
+    {
+        setCapabilityDebug("Seed", url);
+        LL_WARNS("CrossingCaps") <<  "Received duplicate seed capability for " << getRegionID() << ", posting to seed " <<
+                url << LL_ENDL;
+
+        //Instead of just returning we build up a second set of seed caps and compare them
+        //to the "original" seed cap received and determine why there is problem!
+        std::string coroname =
+            LLCoros::instance().launch("LLEnvironmentRequest::requestBaseCapabilitiesCompleteCoro",
+            boost::bind(&LLViewerRegionImpl::requestBaseCapabilitiesCompleteCoro, getHandle()));
+
+        // setSeedCapability can be called from other coros,
+        // launch() acts like a suspend()
+        // Make sure we are still good to do
+        LLCoros::checkStop();
+
+        return;
+    }
+
+    delete mImpl->mEventPoll;
+    mImpl->mEventPoll = NULL;
+
+    mImpl->mCapabilities.clear();
+    setCapability("Seed", url);
+
+    std::string coroname =
+        LLCoros::instance().launch("LLViewerRegionImpl::requestBaseCapabilitiesCoro",
+        boost::bind(&LLViewerRegionImpl::requestBaseCapabilitiesCoro, getHandle()));
+
+    // setSeedCapability can be called from other coros,
+    // launch() acts like a suspend()
+    // Make sure we are still good to do
+    LLCoros::checkStop();
+
+    LL_INFOS("AppInit", "Capabilities") << "Launching " << coroname << " requesting seed capabilities from " << url << " for region " << getRegionID() << LL_ENDL;
+}
+
+S32 LLViewerRegion::getNumSeedCapRetries()
+{
+    return mImpl->mSeedCapAttempts;
+}
+
+void LLViewerRegion::setCapability(const std::string& name, const std::string& url)
+{
+    if(name == "EventQueueGet")
+    {
+        delete mImpl->mEventPoll;
+        mImpl->mEventPoll = NULL;
+        mImpl->mEventPoll = new LLEventPoll(url, getHost());
+    }
+    else if(name == "UntrustedSimulatorMessage")
+    {
+        mImpl->mHost.setUntrustedSimulatorCap(url);
+    }
+    else if (name == "SimulatorFeatures")
+    {
+        mImpl->mCapabilities["SimulatorFeatures"] = url;
+        requestSimulatorFeatures();
+    }
+    else
+    {
+        mImpl->mCapabilities[name] = url;
+        if(name == "ViewerAsset")
+        {
+            /*==============================================================*/
+            // The following inserted lines are a hack for testing MAINT-7081,
+            // which is why the indentation and formatting are left ugly.
+            const char* VIEWERASSET = getenv("VIEWERASSET");
+            if (VIEWERASSET)
+            {
+                mImpl->mCapabilities[name] = VIEWERASSET;
+                mViewerAssetUrl = VIEWERASSET;
+            }
+            else
+            /*==============================================================*/
+            mViewerAssetUrl = url;
+        }
+    }
+}
+
+void LLViewerRegion::setCapabilityDebug(const std::string& name, const std::string& url)
+{
+    // Continue to not add certain caps, as we do in setCapability. This is so they match up when we check them later.
+    if ( ! ( name == "EventQueueGet" || name == "UntrustedSimulatorMessage" || name == "SimulatorFeatures" ) )
+    {
+        mImpl->mSecondCapabilitiesTracker[name] = url;
+        if(name == "ViewerAsset")
+        {
+            /*==============================================================*/
+            // The following inserted lines are a hack for testing MAINT-7081,
+            // which is why the indentation and formatting are left ugly.
+            const char* VIEWERASSET = getenv("VIEWERASSET");
+            if (VIEWERASSET)
+            {
+                mImpl->mSecondCapabilitiesTracker[name] = VIEWERASSET;
+                mViewerAssetUrl = VIEWERASSET;
+            }
+            else
+            /*==============================================================*/
+            mViewerAssetUrl = url;
+        }
+    }
+}
+
+std::string LLViewerRegion::getCapabilityDebug(const std::string& name) const
+{
+    CapabilityMap::const_iterator iter = mImpl->mSecondCapabilitiesTracker.find(name);
+    if (iter == mImpl->mSecondCapabilitiesTracker.end())
+    {
+        return "";
+    }
+
+    return iter->second;
+}
+
+
+bool LLViewerRegion::isSpecialCapabilityName(const std::string &name)
+{
+    return name == "EventQueueGet" || name == "UntrustedSimulatorMessage";
+}
+
+std::string LLViewerRegion::getCapability(const std::string& name) const
+{
+    if (!capabilitiesReceived() && (name!=std::string("Seed")) && (name!=std::string("ObjectMedia")))
+    {
+        LL_WARNS() << "getCapability called before caps received for " << name << LL_ENDL;
+    }
+
+    CapabilityMap::const_iterator iter = mImpl->mCapabilities.find(name);
+    if(iter == mImpl->mCapabilities.end())
+    {
+        return "";
+    }
+
+    return iter->second;
+}
+
+bool LLViewerRegion::isCapabilityAvailable(const std::string& name) const
+{
+    if (!capabilitiesReceived() && (name!=std::string("Seed")) && (name!=std::string("ObjectMedia")))
+    {
+        LL_WARNS() << "isCapabilityAvailable called before caps received for " << name << LL_ENDL;
+    }
+
+    CapabilityMap::const_iterator iter = mImpl->mCapabilities.find(name);
+    if(iter == mImpl->mCapabilities.end())
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool LLViewerRegion::capabilitiesReceived() const
+{
+    return mCapabilitiesState == CAPABILITIES_STATE_RECEIVED;
+}
+
+bool LLViewerRegion::capabilitiesError() const
+{
+    return mCapabilitiesState == CAPABILITIES_STATE_ERROR;
+}
+
+void LLViewerRegion::setCapabilitiesReceived(bool received)
+{
+    mCapabilitiesState = received ? CAPABILITIES_STATE_RECEIVED : CAPABILITIES_STATE_INIT;
+
+    // Tell interested parties that we've received capabilities,
+    // so that they can safely use getCapability().
+    if (received)
+    {
+        mCapabilitiesReceivedSignal(getRegionID(), this);
+
+        LLFloaterPermsDefault::sendInitialPerms();
+
+        // This is a single-shot signal. Forget callbacks to save resources.
+        mCapabilitiesReceivedSignal.disconnect_all_slots();
+
+        // Set the region to the desired interest list mode
+        setInterestListMode(gAgent.getInterestListMode());
+    }
+}
+
+void LLViewerRegion::setCapabilitiesError()
+{
+    mCapabilitiesState = CAPABILITIES_STATE_ERROR;
+}
+
+boost::signals2::connection LLViewerRegion::setCapabilitiesReceivedCallback(const caps_received_signal_t::slot_type& cb)
+{
+    return mCapabilitiesReceivedSignal.connect(cb);
+}
+
+void LLViewerRegion::logActiveCapabilities() const
+{
+    log_capabilities(mImpl->mCapabilities);
+}
+
+
+bool LLViewerRegion::requestPostCapability(const std::string &capName, LLSD &postData, httpCallback_t cbSuccess, httpCallback_t cbFailure)
+{
+    std::string url = getCapability(capName);
+
+    if (url.empty())
+    {
+        LL_WARNS("Region") << "Could not retrieve region " << getRegionID()
+            << " POST capability \"" << capName << "\"" << LL_ENDL;
+        return false;
+    }
+
+    LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpPost(url, gAgent.getAgentPolicy(), postData, cbSuccess, cbFailure);
+    return true;
+}
+
+bool LLViewerRegion::requestGetCapability(const std::string &capName, httpCallback_t cbSuccess, httpCallback_t cbFailure)
+{
+    std::string url;
+
+    url = getCapability(capName);
+
+    if (url.empty())
+    {
+        LL_WARNS("Region") << "Could not retrieve region " << getRegionID()
+                           << " GET capability \"" << capName << "\"" << LL_ENDL;
+        return false;
+    }
+
+    LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpGet(url, gAgent.getAgentPolicy(), cbSuccess, cbFailure);
+    return true;
+}
+
+bool LLViewerRegion::requestDelCapability(const std::string &capName, httpCallback_t cbSuccess, httpCallback_t cbFailure)
+{
+    std::string url;
+
+    url = getCapability(capName);
+
+    if (url.empty())
+    {
+        LL_WARNS("Region") << "Could not retrieve region " << getRegionID() << " DEL capability \"" << capName << "\"" << LL_ENDL;
+        return false;
+    }
+
+    LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpDel(url, gAgent.getAgentPolicy(), cbSuccess, cbFailure);
+    return true;
+}
+
+void LLViewerRegion::setInterestListMode(const std::string &new_mode)
+{
+    if (new_mode != mInterestListMode)
+    {
+        mInterestListMode = new_mode;
+
+        if (mInterestListMode != IL_MODE_DEFAULT && mInterestListMode != IL_MODE_360)
+        {
+            LL_WARNS("360Capture") << "Region " << getRegionID() << " setInterestListMode() invalid interest list mode: "
+                << mInterestListMode << ", setting to default" << LL_ENDL;
+            mInterestListMode = IL_MODE_DEFAULT;
+        }
+
+        LLSD body;
+        body["mode"] = mInterestListMode;
+        if (requestPostCapability("InterestList", body,
+                                  [](const LLSD &response) {
+                                      LL_DEBUGS("360Capture") << "InterestList capability responded: \n"
+                                          << ll_pretty_print_sd(response) << LL_ENDL;
+                                  }))
+        {
+            LL_DEBUGS("360Capture") << "Region " << getRegionID()
+                                    << " Successfully posted an InterestList capability request with payload: \n"
+                                    << ll_pretty_print_sd(body) << LL_ENDL;
+        }
+        else
+        {
+            LL_WARNS("360Capture") << "Region " << getRegionID()
+                                   << " Unable to post an InterestList capability request with payload: \n"
+                                   << ll_pretty_print_sd(body) << LL_ENDL;
+        }
+    }
+    else
+    {
+        LL_DEBUGS("360Capture") << "Region " << getRegionID() << "No change, skipping Interest List mode POST to "
+                                << new_mode << " mode" << LL_ENDL;
+    }
+}
+
+
+void LLViewerRegion::resetInterestList()
+{
+    if (requestDelCapability("InterestList", [](const LLSD &response) {
+                            LL_DEBUGS("360Capture") << "InterestList capability DEL responded: \n" << ll_pretty_print_sd(response) << LL_ENDL;
+                        }))
+    {
+        LL_DEBUGS("360Capture") << "Region " << getRegionID() << " Successfully reset InterestList capability" << LL_ENDL;
+    }
+    else
+    {
+        LL_WARNS("360Capture") << "Region " << getRegionID() << " Unable to DEL InterestList capability request" << LL_ENDL;
+    }
+}
+
+
+LLSpatialPartition *LLViewerRegion::getSpatialPartition(U32 type)
+{
+    if (type < mImpl->mObjectPartition.size() && type < PARTITION_VO_CACHE)
+    {
+        return (LLSpatialPartition*)mImpl->mObjectPartition[type];
+    }
+    return NULL;
+}
+
+LLVOCachePartition* LLViewerRegion::getVOCachePartition()
+{
+    if(PARTITION_VO_CACHE < mImpl->mObjectPartition.size())
+    {
+        return (LLVOCachePartition*)mImpl->mObjectPartition[PARTITION_VO_CACHE];
+    }
+    return NULL;
+}
+
+// the viewer can not yet distinquish between normal- and estate-owned objects
+// so we collapse these two bits and enable the UI if either are set
+const U64 ALLOW_RETURN_ENCROACHING_OBJECT = REGION_FLAGS_ALLOW_RETURN_ENCROACHING_OBJECT
+                                            | REGION_FLAGS_ALLOW_RETURN_ENCROACHING_ESTATE_OBJECT;
+
+bool LLViewerRegion::objectIsReturnable(const LLVector3& pos, const std::vector<LLBBox>& boxes) const
+{
+    return (mParcelOverlay != NULL)
+        && (mParcelOverlay->isOwnedSelf(pos)
+            || mParcelOverlay->isOwnedGroup(pos)
+            || (getRegionFlag(ALLOW_RETURN_ENCROACHING_OBJECT)
+                && mParcelOverlay->encroachesOwned(boxes)) );
+}
+
+bool LLViewerRegion::childrenObjectReturnable( const std::vector<LLBBox>& boxes ) const
+{
+    bool result = false;
+    result = ( mParcelOverlay && mParcelOverlay->encroachesOnUnowned( boxes ) ) ? 1 : 0;
+    return result;
+}
+
+bool LLViewerRegion::objectsCrossParcel(const std::vector<LLBBox>& boxes) const
+{
+    return mParcelOverlay && mParcelOverlay->encroachesOnNearbyParcel(boxes);
+}
+
+void LLViewerRegion::getNeighboringRegions( std::vector<LLViewerRegion*>& uniqueRegions )
+{
+    mImpl->mLandp->getNeighboringRegions( uniqueRegions );
+}
+void LLViewerRegion::getNeighboringRegionsStatus( std::vector<S32>& regions )
+{
+    mImpl->mLandp->getNeighboringRegionsStatus( regions );
+}
+void LLViewerRegion::showReleaseNotes()
+{
+    std::string url = this->getCapability("ServerReleaseNotes");
+
+    if (url.empty()) {
+        // HACK haven't received the capability yet, we'll wait until
+        // it arives.
+        mReleaseNotesRequested = true;
+        return;
+    }
+
+    LLWeb::loadURL(url);
+    mReleaseNotesRequested = false;
+}
+
+std::string LLViewerRegion::getDescription() const
+{
+    return stringize(*this);
+}
+
+bool LLViewerRegion::meshUploadEnabled() const
+{
+    return (mSimulatorFeatures.has("MeshUploadEnabled") &&
+        mSimulatorFeatures["MeshUploadEnabled"].asBoolean());
+}
+
+bool LLViewerRegion::bakesOnMeshEnabled() const
+{
+    return (mSimulatorFeatures.has("BakesOnMeshEnabled") &&
+        mSimulatorFeatures["BakesOnMeshEnabled"].asBoolean());
+}
+
+bool LLViewerRegion::meshRezEnabled() const
+{
+    return (mSimulatorFeatures.has("MeshRezEnabled") &&
+                mSimulatorFeatures["MeshRezEnabled"].asBoolean());
+}
+
+bool LLViewerRegion::dynamicPathfindingEnabled() const
+{
+    return ( mSimulatorFeatures.has("DynamicPathfindingEnabled") &&
+             mSimulatorFeatures["DynamicPathfindingEnabled"].asBoolean());
+}
+
+bool LLViewerRegion::avatarHoverHeightEnabled() const
+{
+    return ( mSimulatorFeatures.has("AvatarHoverHeightEnabled") &&
+             mSimulatorFeatures["AvatarHoverHeightEnabled"].asBoolean());
+}
+/* Static Functions */
+
+void log_capabilities(const CapabilityMap &capmap)
+{
+    S32 count = 0;
+    CapabilityMap::const_iterator iter;
+    for (iter = capmap.begin(); iter != capmap.end(); ++iter, ++count)
+    {
+        if (!iter->second.empty())
+        {
+            LL_INFOS() << "log_capabilities: " << iter->first << " URL is " << iter->second << LL_ENDL;
+        }
+    }
+    LL_INFOS() << "log_capabilities: Dumped " << count << " entries." << LL_ENDL;
+}
+void LLViewerRegion::resetMaterialsCapThrottle()
+{
+    F32 requests_per_sec =  1.0f; // original default;
+    if (   mSimulatorFeatures.has("RenderMaterialsCapability")
+        && mSimulatorFeatures["RenderMaterialsCapability"].isReal() )
+    {
+        requests_per_sec = mSimulatorFeatures["RenderMaterialsCapability"].asReal();
+        if ( requests_per_sec == 0.0f )
+        {
+            requests_per_sec = 1.0f;
+            LL_WARNS("Materials")
+                << "region '" << getName()
+                << "' returned zero for RenderMaterialsCapability; using default "
+                << requests_per_sec << " per second"
+                << LL_ENDL;
+        }
+        LL_DEBUGS("Materials") << "region '" << getName()
+                               << "' RenderMaterialsCapability " << requests_per_sec
+                               << LL_ENDL;
+    }
+    else
+    {
+        LL_DEBUGS("Materials")
+            << "region '" << getName()
+            << "' did not return RenderMaterialsCapability, using default "
+            << requests_per_sec << " per second"
+            << LL_ENDL;
+    }
+
+    mMaterialsCapThrottleTimer.resetWithExpiry( 1.0f / requests_per_sec );
+}
+
+U32 LLViewerRegion::getMaxMaterialsPerTransaction() const
+{
+    U32 max_entries = 50; // original hard coded default
+    if (   mSimulatorFeatures.has( "MaxMaterialsPerTransaction" )
+        && mSimulatorFeatures[ "MaxMaterialsPerTransaction" ].isInteger())
+    {
+        max_entries = mSimulatorFeatures[ "MaxMaterialsPerTransaction" ].asInteger();
+    }
+    return max_entries;
+}
+
+std::string LLViewerRegion::getSimHostName()
+{
+    if (mSimulatorFeaturesReceived)
+    {
+        return mSimulatorFeatures.has("HostName") ? mSimulatorFeatures["HostName"].asString() : getHost().getHostName();
+    }
+    return std::string("...");
+}
+
+void LLViewerRegion::applyCacheMiscExtras(LLViewerObject* obj)
+{
+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
+    llassert(obj);
+
+    U32 local_id = obj->getLocalID();
+    auto iter = mImpl->mGLTFOverridesLLSD.find(local_id);
+    if (iter != mImpl->mGLTFOverridesLLSD.end())
+    {
+        llassert(iter->second.mGLTFMaterial.size() == iter->second.mSides.size());
+
+        for (auto& side : iter->second.mGLTFMaterial)
+        {
+            obj->setTEGLTFMaterialOverride(side.first, side.second);
+        }
+    }
+}
+