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/**
* @file llnavmeshstation.h
* @brief Client-side navmesh support
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#ifndef LL_NAV_MESH_STATION_H
#define LL_NAV_MESH_STATION_H
//===============================================================================
#include "llhandle.h"
//===============================================================================
class LLCurlRequest;
class LLMessageSystem;
//===============================================================================
class LLNavMeshObserver
{
public:
//Ctor
LLNavMeshObserver() { mObserverHandle.bind(this); }
//Dtor
virtual ~LLNavMeshObserver() {}
//Accessor for the observers handle
const LLHandle<LLNavMeshObserver>& getObserverHandle() const { return mObserverHandle; }
protected:
LLRootHandle<LLNavMeshObserver> mObserverHandle;
};
//===============================================================================
//prep#TODO# determine if a name change is needed?
class LLNavMeshDownloadObserver
{
public:
//Ctor
LLNavMeshDownloadObserver() { mObserverHandle.bind(this); }
//Dtor
virtual ~LLNavMeshDownloadObserver() {}
//Accessor for the observers handle
const LLHandle<LLNavMeshDownloadObserver>& getObserverHandle() const { return mObserverHandle; }
protected:
LLRootHandle<LLNavMeshDownloadObserver> mObserverHandle;
};
//===============================================================================
class LLNavMeshStation : public LLSingleton<LLNavMeshStation>
{
public:
//Ctor
LLNavMeshStation();
//Facilitates the posting of a prepopulated llsd block to an existing url
bool postNavMeshToServer( LLSD& data, const LLHandle<LLNavMeshObserver>& observerHandle );
//Setter for the navmesh upload url
void setNavMeshUploadURL( std::string& url ) { mNavMeshUploadURL = url; }
//Setter for the navmesh download url
void setNavMeshDownloadURL( std::string& url ) { mNavMeshDownloadURL = url; }
//Callback to handle the requested src data for this regions navmesh src
static void processNavMeshSrc( LLMessageSystem* msg, void** );
//Initiate download of the navmesh source from the server
void downloadNavMeshSrc( const LLHandle<LLNavMeshDownloadObserver>& observerHandle );
protected:
//Curl object to facilitate posts to server
LLCurlRequest* mCurlRequest;
//Maximum time in seconds to execute an uploading request.
S32 mMeshUploadTimeOut ;
//URL used for uploading viewer generated navmesh
std::string mNavMeshUploadURL;
//URL used for download the src data for a navmesh
std::string mNavMeshDownloadURL;
};
//===============================================================================
#endif //LL_NAV_MESH_STATION_H
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