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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 <boost/function.hpp>
#include <boost/signals2.hpp>
#include "llsingleton.h"
#include "llpathfindinglinkset.h"
#include "llpathfindinglinksetlist.h"
class LLFloater;
class LLViewerRegion;
class LLPathfindingManager : public LLSingleton<LLPathfindingManager>
{
friend class AgentStateResponder;
public:
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 {
kLinksetsRequestStarted,
kLinksetsRequestCompleted,
kLinksetsRequestNotEnabled,
kLinksetsRequestError
} ELinksetsRequestStatus;
typedef boost::function<void (ELinksetsRequestStatus, LLPathfindingLinksetListPtr)> linksets_callback_t;
LLPathfindingManager();
virtual ~LLPathfindingManager();
bool isPathfindingEnabledForCurrentRegion() const;
bool isAllowAlterPermanent();
bool isAllowViewTerrainProperties() const;
agent_state_slot_t registerAgentStateSignal(agent_state_callback_t pAgentStateCallback);
EAgentState getAgentState();
EAgentState getLastKnownNonErrorAgentState() const;
void requestSetAgentState(EAgentState pAgentState);
ELinksetsRequestStatus requestGetLinksets(linksets_callback_t pLinksetsCallback) const;
ELinksetsRequestStatus requestSetLinksets(LLPathfindingLinksetListPtr pLinksetList, LLPathfindingLinkset::ELinksetUse pLinksetUse, S32 pA, S32 pB, S32 pC, S32 pD, linksets_callback_t pLinksetsCallback) const;
protected:
private:
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);
std::string getRetrieveNavMeshURLForCurrentRegion() const;
std::string getAgentStateURLForCurrentRegion() const;
std::string getObjectLinksetsURLForCurrentRegion() const;
std::string getTerrainLinksetsURLForCurrentRegion() const;
std::string getCapabilityURLForCurrentRegion(const std::string &pCapabilityName) const;
LLViewerRegion *getCurrentRegion() const;
agent_state_signal_t mAgentStateSignal;
EAgentState mAgentState;
EAgentState mLastKnownNonErrorAgentState;
};
#endif // LL_LLPATHFINDINGMANAGER_H
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