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/**
* @file llpathfindingmanager.h
* @author William Todd Stinson
* @brief A state manager for the various pathfinding states.
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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_LLPATHFINDINGMANAGER_H
#define LL_LLPATHFINDINGMANAGER_H
#include <string>
#include <map>
#include <boost/function.hpp>
#include <boost/signals2.hpp>
#include "llpathfindinglinkset.h"
#include "llpathfindingobjectlist.h"
#include "llpathfindingnavmesh.h"
#include "llsingleton.h"
#include "lluuid.h"
class LLViewerRegion;
class LLPathfindingNavMeshStatus;
class LLPathfindingManager : public LLSingleton<LLPathfindingManager>
{
friend class LLNavMeshSimStateChangeNode;
friend class LLAgentStateChangeNode;
friend class NavMeshStatusResponder;
friend class AgentStateResponder;
public:
typedef std::map<LLUUID, LLPathfindingNavMeshPtr> NavMeshMap;
typedef enum {
kAgentStateUnknown,
kAgentStateFrozen,
kAgentStateUnfrozen,
kAgentStateNotEnabled,
kAgentStateError
} EAgentState;
typedef boost::function<void (EAgentState)> agent_state_callback_t;
typedef boost::signals2::signal<void (EAgentState)> agent_state_signal_t;
typedef boost::signals2::connection agent_state_slot_t;
typedef enum {
kRequestStarted,
kRequestCompleted,
kRequestNotEnabled,
kRequestError
} ERequestStatus;
LLPathfindingManager();
virtual ~LLPathfindingManager();
void initSystem();
bool isPathfindingEnabledForCurrentRegion() const;
bool isPathfindingEnabledForRegion(LLViewerRegion *pRegion) const;
bool isPathfindingDebugEnabled() const;
bool isAllowViewTerrainProperties() const;
LLPathfindingNavMesh::navmesh_slot_t registerNavMeshListenerForRegion(LLViewerRegion *pRegion, LLPathfindingNavMesh::navmesh_callback_t pNavMeshCallback);
void requestGetNavMeshForRegion(LLViewerRegion *pRegion);
agent_state_slot_t registerAgentStateListener(agent_state_callback_t pAgentStateCallback);
EAgentState getAgentState();
EAgentState getLastKnownNonErrorAgentState() const;
void requestSetAgentState(EAgentState pAgentState);
typedef U32 request_id_t;
typedef boost::function<void (request_id_t, ERequestStatus, LLPathfindingObjectListPtr)> object_request_callback_t;
void requestGetLinksets(request_id_t pRequestId, object_request_callback_t pLinksetsCallback) const;
void requestSetLinksets(request_id_t pRequestId, const LLPathfindingObjectListPtr &pLinksetListPtr, LLPathfindingLinkset::ELinksetUse pLinksetUse, S32 pA, S32 pB, S32 pC, S32 pD, object_request_callback_t pLinksetsCallback) const;
void requestGetCharacters(request_id_t pRequestId, object_request_callback_t pCharactersCallback) const;
protected:
private:
void sendRequestGetNavMeshForRegion(LLPathfindingNavMeshPtr navMeshPtr, LLViewerRegion *pRegion, const LLPathfindingNavMeshStatus &pNavMeshStatus);
void handleDeferredGetNavMeshForRegion(const LLUUID &pRegionUUID);
void handleDeferredGetLinksetsForRegion(const LLUUID &pRegionUUID, request_id_t pRequestId, object_request_callback_t pLinksetsCallback) const;
void handleDeferredGetCharactersForRegion(const LLUUID &pRegionUUID, request_id_t pRequestId, object_request_callback_t pCharactersCallback) const;
void handleNavMeshStatusRequest(const LLPathfindingNavMeshStatus &pNavMeshStatus, LLViewerRegion *pRegion);
void handleNavMeshStatusUpdate(const LLPathfindingNavMeshStatus &pNavMeshStatus);
LLPathfindingNavMeshPtr getNavMeshForRegion(const LLUUID &pRegionUUID);
LLPathfindingNavMeshPtr getNavMeshForRegion(LLViewerRegion *pRegion);
static bool isValidAgentState(EAgentState pAgentState);
void requestGetAgentState();
void setAgentState(EAgentState pAgentState);
void handleAgentStateResult(const LLSD &pContent, EAgentState pRequestedAgentState);
void handleAgentStateError(U32 pStatus, const std::string &pReason, const std::string &pURL);
void handleAgentStateUpdate(const LLSD &pContent);
void handleAgentStateUserNotification(const LLSD &pNotification, const LLSD &pResponse);
std::string getNavMeshStatusURLForRegion(LLViewerRegion *pRegion) const;
std::string getRetrieveNavMeshURLForRegion(LLViewerRegion *pRegion) const;
std::string getAgentStateURLForCurrentRegion() const;
std::string getObjectLinksetsURLForCurrentRegion() const;
std::string getTerrainLinksetsURLForCurrentRegion() const;
std::string getCharactersURLForCurrentRegion() const;
std::string getCapabilityURLForCurrentRegion(const std::string &pCapabilityName) const;
std::string getCapabilityURLForRegion(LLViewerRegion *pRegion, const std::string &pCapabilityName) const;
LLViewerRegion *getCurrentRegion() const;
NavMeshMap mNavMeshMap;
agent_state_signal_t mAgentStateSignal;
EAgentState mAgentState;
EAgentState mLastKnownNonErrorAgentState;
};
#endif // LL_LLPATHFINDINGMANAGER_H
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