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/**
* @file llpathfindingnavmesh.h
* @author William Todd Stinson
* @brief A class for representing the navmesh of a pathfinding region.
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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_LLPATHFINDINGNAVMESH_H
#define LL_LLPATHFINDINGNAVMESH_H
#include "llsd.h"
#include "lluuid.h"
#include <string>
#include <boost/shared_ptr.hpp>
#include <boost/function.hpp>
#include <boost/signals2.hpp>
class LLSD;
class LLPathfindingNavMesh;
typedef boost::shared_ptr<LLPathfindingNavMesh> LLPathfindingNavMeshPtr;
// XXX stinson 03/12/2012 : This definition is in place to support an older version of the pathfinding simulator that does not have versioned information
#define DEPRECATED_UNVERSIONED_NAVMESH
class LLPathfindingNavMesh
{
public:
typedef enum {
kNavMeshRequestUnknown,
kNavMeshRequestChecking,
kNavMeshRequestNeedsUpdate,
kNavMeshRequestStarted,
kNavMeshRequestCompleted,
kNavMeshRequestNotEnabled,
kNavMeshRequestError
} ENavMeshRequestStatus;
typedef boost::function<void (ENavMeshRequestStatus, const LLUUID &, U32, const LLSD::Binary &)> navmesh_callback_t;
typedef boost::signals2::signal<void (ENavMeshRequestStatus, const LLUUID &, U32, const LLSD::Binary &)> navmesh_signal_t;
typedef boost::signals2::connection navmesh_slot_t;
LLPathfindingNavMesh(const LLUUID &pRegionUUID);
virtual ~LLPathfindingNavMesh();
navmesh_slot_t registerNavMeshListener(navmesh_callback_t pNavMeshCallback);
#ifdef DEPRECATED_UNVERSIONED_NAVMESH
U32 getNavMeshVersion() const {return mNavMeshVersion;};
#endif // DEPRECATED_UNVERSIONED_NAVMESH
bool hasNavMeshVersion(U32 pNavMeshVersion) const;
void handleNavMeshCheckVersion();
void handleRefresh(U32 pNavMeshVersion);
void handleNavMeshNewVersion(U32 pNavMeshVersion);
void handleNavMeshStart(U32 pNavMeshVersion);
void handleNavMeshResult(const LLSD &pContent, U32 pNavMeshVersion);
void handleNavMeshNotEnabled();
void handleNavMeshError();
void handleNavMeshError(U32 pStatus, const std::string &pReason, const std::string &pURL, U32 pNavMeshVersion);
protected:
private:
void setRequestStatus(ENavMeshRequestStatus pNavMeshRequestStatus);
LLUUID mRegionUUID;
ENavMeshRequestStatus mNavMeshRequestStatus;
navmesh_signal_t mNavMeshSignal;
LLSD::Binary mNavMeshData;
U32 mNavMeshVersion;
};
#endif // LL_LLPATHFINDINGNAVMESH_H
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