/** * @file llteleporthistory.cpp * @brief Teleport history * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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 "llteleporthistory.h" #include "llparcel.h" #include "llsdserialize.h" #include "llagent.h" #include "llvoavatarself.h" #include "llslurl.h" #include "llviewercontrol.h" // for gSavedSettings #include "llviewerparcelmgr.h" #include "llviewerregion.h" #include "llworldmap.h" #include "llagentui.h" ////////////////////////////////////////////////////////////////////////////// // LLTeleportHistoryItem ////////////////////////////////////////////////////////////////////////////// const std::string& LLTeleportHistoryItem::getTitle() const { return gSavedSettings.getBOOL("NavBarShowCoordinates") ? mFullTitle : mTitle; } ////////////////////////////////////////////////////////////////////////////// // LLTeleportHistory ////////////////////////////////////////////////////////////////////////////// LLTeleportHistory::LLTeleportHistory(): mCurrentItem(-1), mRequestedItem(-1), mGotInitialUpdate(false), mTeleportHistoryStorage(NULL) { mTeleportFinishedConn = LLViewerParcelMgr::getInstance()-> setTeleportFinishedCallback(boost::bind(&LLTeleportHistory::updateCurrentLocation, this, _1)); mTeleportFailedConn = LLViewerParcelMgr::getInstance()-> setTeleportFailedCallback(boost::bind(&LLTeleportHistory::onTeleportFailed, this)); } LLTeleportHistory::~LLTeleportHistory() { mTeleportFinishedConn.disconnect(); mTeleportFailedConn.disconnect(); } void LLTeleportHistory::goToItem(int idx) { // Validate specified index. if (idx < 0 || idx >= (int)mItems.size()) { LL_WARNS() << "Invalid teleport history index (" << idx << ") specified" << LL_ENDL; dump(); return; } if (idx == mCurrentItem) { LL_WARNS() << "Will not teleport to the same location." << LL_ENDL; dump(); return; } // Attempt to teleport to the requested item. gAgent.teleportViaLocation(mItems[idx].mGlobalPos); mRequestedItem = idx; } void LLTeleportHistory::onTeleportFailed() { // Are we trying to teleport within the history? if (mRequestedItem != -1) { // Not anymore. mRequestedItem = -1; } } void LLTeleportHistory::handleLoginComplete() { if( mGotInitialUpdate ) { return; } updateCurrentLocation(gAgent.getPositionGlobal()); } void LLTeleportHistory::updateCurrentLocation(const LLVector3d& new_pos) { if (!mTeleportHistoryStorage) { mTeleportHistoryStorage = LLTeleportHistoryStorage::getInstance(); } if (mRequestedItem != -1) // teleport within the history in progress? { mCurrentItem = mRequestedItem; mRequestedItem = -1; } else { //EXT-7034 //skip initial update if agent avatar is no valid yet //this may happen when updateCurrentLocation called while login process //sometimes isAgentAvatarValid return false and in this case new_pos //(which actually is gAgent.getPositionGlobal() ) is invalid //if this position will be saved then teleport back will teleport user to wrong position if ( !mGotInitialUpdate && !isAgentAvatarValid() ) { return ; } // If we're getting the initial location update // while we already have a (loaded) non-empty history, // there's no need to purge forward items or add a new item. if (mGotInitialUpdate || mItems.size() == 0) { // Purge forward items (if any). if(mItems.size()) mItems.erase (mItems.begin() + mCurrentItem + 1, mItems.end()); // Append an empty item to the history and make it current. mItems.push_back(LLTeleportHistoryItem("", LLVector3d())); mCurrentItem++; } // Update current history item. if (mCurrentItem < 0 || mCurrentItem >= (int) mItems.size()) // sanity check { LL_WARNS() << "Invalid current item. (this should not happen)" << LL_ENDL; llassert(!"Invalid current teleport history item"); return; } LLVector3 new_pos_local = gAgent.getPosAgentFromGlobal(new_pos); mItems[mCurrentItem].mFullTitle = getCurrentLocationTitle(true, new_pos_local); mItems[mCurrentItem].mTitle = getCurrentLocationTitle(false, new_pos_local); mItems[mCurrentItem].mGlobalPos = new_pos; mItems[mCurrentItem].mRegionID = gAgent.getRegion()->getRegionID(); } dump(); if (!mGotInitialUpdate) mGotInitialUpdate = true; // Signal the interesting party that we've changed. onHistoryChanged(); } boost::signals2::connection LLTeleportHistory::setHistoryChangedCallback(history_callback_t cb) { return mHistoryChangedSignal.connect(cb); } void LLTeleportHistory::onHistoryChanged() { mHistoryChangedSignal(); } void LLTeleportHistory::purgeItems() { if (mItems.size() == 0) // no entries yet (we're called before login) { // If we don't return here the history will get into inconsistent state, hence: // 1) updateCurrentLocation() will malfunction, // so further teleports will not properly update the history; // 2) mHistoryChangedSignal subscribers will be notified // of such an invalid change. (EXT-6798) // Both should not happen. return; } if (mItems.size() > 0) { mItems.erase(mItems.begin(), mItems.end()-1); } // reset the count mRequestedItem = -1; mCurrentItem = 0; onHistoryChanged(); } // static std::string LLTeleportHistory::getCurrentLocationTitle(bool full, const LLVector3& local_pos_override) { std::string location_name; LLAgentUI::ELocationFormat fmt = full ? LLAgentUI::LOCATION_FORMAT_NO_MATURITY : LLAgentUI::LOCATION_FORMAT_NORMAL; if (!LLAgentUI::buildLocationString(location_name, fmt, local_pos_override)) location_name = "Unknown"; return location_name; } void LLTeleportHistory::dump() const { LL_INFOS() << "Teleport history dump (" << mItems.size() << " items):" << LL_ENDL; for (size_t i=0; i<mItems.size(); i++) { std::stringstream line; line << ((i == mCurrentItem) ? " * " : " "); line << i << ": " << mItems[i].mTitle; line << " REGION_ID: " << mItems[i].mRegionID; line << ", pos: " << mItems[i].mGlobalPos; LL_INFOS() << line.str() << LL_ENDL; } }