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/**
* @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;
}
}
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