/indra/newview/lllandmarklist.cpp
C++ | 212 lines | 146 code | 29 blank | 37 comment | 25 complexity | c49c731607ac234372ebe1b65596f86e MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file lllandmarklist.cpp
- * @brief Landmark asset list class
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, 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 "lllandmarklist.h"
- #include "message.h"
- #include "llassetstorage.h"
- #include "llappviewer.h"
- #include "llagent.h"
- #include "llvfile.h"
- #include "llviewerstats.h"
- // Globals
- LLLandmarkList gLandmarkList;
- ////////////////////////////////////////////////////////////////////////////
- // LLLandmarkList
- LLLandmarkList::~LLLandmarkList()
- {
- std::for_each(mList.begin(), mList.end(), DeletePairedPointer());
- }
- LLLandmark* LLLandmarkList::getAsset(const LLUUID& asset_uuid, loaded_callback_t cb)
- {
- LLLandmark* landmark = get_ptr_in_map(mList, asset_uuid);
- if(landmark)
- {
- LLVector3d dummy;
- if(cb && !landmark->getGlobalPos(dummy))
- {
- // landmark is not completely loaded yet
- loaded_callback_map_t::value_type vt(asset_uuid, cb);
- mLoadedCallbackMap.insert(vt);
- }
- return landmark;
- }
- else
- {
- if ( mBadList.find(asset_uuid) != mBadList.end() )
- {
- return NULL;
- }
-
- landmark_requested_list_t::iterator iter = mRequestedList.find(asset_uuid);
- if (iter != mRequestedList.end())
- {
- const F32 rerequest_time = 30.f; // 30 seconds between requests
- if (gFrameTimeSeconds - iter->second < rerequest_time)
- {
- return NULL;
- }
- }
-
- if (cb)
- {
- loaded_callback_map_t::value_type vt(asset_uuid, cb);
- mLoadedCallbackMap.insert(vt);
- }
- gAssetStorage->getAssetData(asset_uuid,
- LLAssetType::AT_LANDMARK,
- LLLandmarkList::processGetAssetReply,
- NULL);
- mRequestedList[asset_uuid] = gFrameTimeSeconds;
- }
- return NULL;
- }
- // static
- void LLLandmarkList::processGetAssetReply(
- LLVFS *vfs,
- const LLUUID& uuid,
- LLAssetType::EType type,
- void* user_data,
- S32 status,
- LLExtStat ext_status )
- {
- if( status == 0 )
- {
- LLVFile file(vfs, uuid, type);
- S32 file_length = file.getSize();
- std::vector<char> buffer(file_length + 1);
- file.read( (U8*)&buffer[0], file_length);
- buffer[ file_length ] = 0;
- LLLandmark* landmark = LLLandmark::constructFromString(&buffer[0]);
- if (landmark)
- {
- gLandmarkList.mList[ uuid ] = landmark;
- gLandmarkList.mRequestedList.erase(uuid);
-
- LLVector3d pos;
- if(!landmark->getGlobalPos(pos))
- {
- LLUUID region_id;
- if(landmark->getRegionID(region_id))
- {
- LLLandmark::requestRegionHandle(
- gMessageSystem,
- gAgent.getRegionHost(),
- region_id,
- boost::bind(&LLLandmarkList::onRegionHandle, &gLandmarkList, uuid));
- }
- // the callback will be called when we get the region handle.
- }
- else
- {
- gLandmarkList.makeCallbacks(uuid);
- }
- }
- }
- else
- {
- LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
- // SJB: No use case for a notification here. Use lldebugs instead
- if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status )
- {
- LL_WARNS("Landmarks") << "Missing Landmark" << LL_ENDL;
- //LLNotificationsUtil::add("LandmarkMissing");
- }
- else
- {
- LL_WARNS("Landmarks") << "Unable to load Landmark" << LL_ENDL;
- //LLNotificationsUtil::add("UnableToLoadLandmark");
- }
- gLandmarkList.mBadList.insert(uuid);
- }
- }
- BOOL LLLandmarkList::isAssetInLoadedCallbackMap(const LLUUID& asset_uuid)
- {
- return mLoadedCallbackMap.find(asset_uuid) != mLoadedCallbackMap.end();
- }
- BOOL LLLandmarkList::assetExists(const LLUUID& asset_uuid)
- {
- return mList.count(asset_uuid) != 0 || mBadList.count(asset_uuid) != 0;
- }
- void LLLandmarkList::onRegionHandle(const LLUUID& landmark_id)
- {
- LLLandmark* landmark = getAsset(landmark_id);
- if (!landmark)
- {
- llwarns << "Got region handle but the landmark not found." << llendl;
- return;
- }
- // Calculate landmark global position.
- // This should succeed since the region handle is available.
- LLVector3d pos;
- if (!landmark->getGlobalPos(pos))
- {
- llwarns << "Got region handle but the landmark global position is still unknown." << llendl;
- return;
- }
- makeCallbacks(landmark_id);
- }
- void LLLandmarkList::makeCallbacks(const LLUUID& landmark_id)
- {
- LLLandmark* landmark = getAsset(landmark_id);
- if (!landmark)
- {
- llwarns << "Landmark to make callbacks for not found." << llendl;
- }
- // make all the callbacks here.
- loaded_callback_map_t::iterator it;
- while((it = mLoadedCallbackMap.find(landmark_id)) != mLoadedCallbackMap.end())
- {
- if (landmark)
- (*it).second(landmark);
- mLoadedCallbackMap.erase(it);
- }
- }