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/**
* @file llnavmeshstation.cpp
* @brief
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* 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 "llnavmeshstation.h"
#include "llcurl.h"
#include "LLPathingLib.h"
#include "llagent.h"
#include "llviewerregion.h"
#include "llsdutil.h"
#include "llfloaterpathfindingconsole.h"
#include "llsdserialize.h"
//===============================================================================
LLNavMeshStation::LLNavMeshStation()
{
}
//===============================================================================
class LLNavMeshDownloadResponder : public LLCurl::Responder
{
public:
LLNavMeshDownloadResponder( const LLHandle<LLNavMeshDownloadObserver>& observer_handle, int dir )
: mObserverHandle( observer_handle )
, mDir( dir )
{
}
void error( U32 statusNum, const std::string& reason )
{
llwarns << "Transport error "<<reason<<llendl;
}
void result( const LLSD& content )
{
llinfos<<"Content received"<<llendl;
if ( content.has("error") )
{
llwarns << "Error on fetched data"<< llendl;
//llinfos<<"LLsd buffer on error"<<ll_pretty_print_sd(content)<<llendl;
}
else
{
LLNavMeshDownloadObserver* pObserver = mObserverHandle.get();
if ( pObserver )
{
if ( content.has("navmesh_data") )
{
const std::vector<U8>& value = content["navmesh_data"].asBinary();
unsigned int binSize = value.size();
U8* pBinBuffer = new U8[binSize];
memcpy( &pBinBuffer[0], &value[0], binSize );
std::string newStr((char*) pBinBuffer, binSize );
std::istringstream streamdecomp( newStr );
unsigned int decompBinSize = 0;
bool valid = false;
if ( pBinBuffer )
{
delete [] pBinBuffer ;
}
U8* pUncompressedNavMeshContainer = unzip_llsdNavMesh( valid, decompBinSize, streamdecomp, binSize ) ;
if ( !valid )
{
if ( pUncompressedNavMeshContainer )
{
free( pUncompressedNavMeshContainer );
}
llwarns << "Unable to decompress the navmesh llsd." << llendl;
pObserver->getPathfindingConsole()->setHasNoNavMesh();
return;
}
else
{
if ( pUncompressedNavMeshContainer )
{
std::vector<U8> lsd;
lsd.resize( decompBinSize );
memcpy( &lsd[0], &pUncompressedNavMeshContainer[0], decompBinSize );
LLPathingLib::getInstance()->extractNavMeshSrcFromLLSD( lsd, mDir );
pObserver->getPathfindingConsole()->setHasNavMeshReceived();
free( pUncompressedNavMeshContainer );
}
}
}
else
{
llwarns<<"No mesh data received"<<llendl;
pObserver->getPathfindingConsole()->setHasNoNavMesh();
}
}
}
}
private:
//Observer handle
LLHandle<LLNavMeshDownloadObserver> mObserverHandle;
int mDir;
};
//===============================================================================
void LLNavMeshStation::downloadNavMeshSrc( const LLHandle<LLNavMeshDownloadObserver>& observerHandle, int dir )
{
if ( mNavMeshDownloadURL.empty() )
{
llinfos << "Unable to upload navmesh because of missing URL" << llendl;
}
else
{
LLSD data;
data["agent_id"] = gAgent.getID();
data["region_id"] = gAgent.getRegion()->getRegionID();
LLHTTPClient::post(mNavMeshDownloadURL, data, new LLNavMeshDownloadResponder( observerHandle, dir ) );
}
}
//===============================================================================
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