llteleporthistory.cpp
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- /**
- * @file llteleporthistory.cpp
- * @brief Teleport history
- *
- * $LicenseInfo:firstyear=2009&license=viewergpl$
- *
- * Copyright (c) 2009-2010, 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 "llteleporthistory.h"
- #include "llparcel.h"
- #include "llsdserialize.h"
- #include "llagent.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)
- {
- 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())
- {
- llwarns << "Invalid teleport history index (" << idx << ") specified" << llendl;
- dump();
- return;
- }
-
- if (idx == mCurrentItem)
- {
- llwarns << "Will not teleport to the same location." << llendl;
- 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::updateCurrentLocation(const LLVector3d& new_pos)
- {
- if (mRequestedItem != -1) // teleport within the history in progress?
- {
- mCurrentItem = mRequestedItem;
- mRequestedItem = -1;
- }
- else
- {
- // 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
- {
- llwarns << "Invalid current item. (this should not happen)" << llendl;
- 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)
- {
- 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
- {
- llinfos << "Teleport history dump (" << mItems.size() << " items):" << llendl;
-
- 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;
- llinfos << line.str() << llendl;
- }
- }