/** * @file lllandmarklist.cpp * @brief Landmark asset list class * * $LicenseInfo:firstyear=2002&license=viewergpl$ * * Copyright (c) 2002-2009, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #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::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); } }