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/**
* @file llmenuoptionpathfindingrebakenavmesh.cpp
* @brief Implementation of llmenuoptionpathfindingrebakenavmesh
* @author Prep@lindenlab.com
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, 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 "llmenuoptionpathfindingrebakenavmesh.h"
#include <boost/bind.hpp>
#include <boost/signals2.hpp>
#include "llagent.h"
#include "llnotificationsutil.h"
#include "llpathfindingmanager.h"
#include "llpathfindingnavmesh.h"
#include "llpathfindingnavmeshstatus.h"
#include "llviewerregion.h"
LLMenuOptionPathfindingRebakeNavmesh::LLMenuOptionPathfindingRebakeNavmesh() :
mIsInitialized(false),
mCanRebakeRegion(false),
mRebakeNavMeshMode(kRebakeNavMesh_Default),
mNavMeshSlot(),
mRegionCrossingSlot(),
mAgentStateSlot()
{
}
LLMenuOptionPathfindingRebakeNavmesh::~LLMenuOptionPathfindingRebakeNavmesh()
{
if (mIsInitialized)
{
if (mRebakeNavMeshMode == kRebakeNavMesh_RequestSent)
{
LL_WARNS("navmeshRebaking") << "During destruction of the LLMenuOptionPathfindingRebakeNavmesh "
<< "singleton, the mode indicates that a request has been sent for which a response has yet "
<< "to be received. This could contribute to a crash on exit." << LL_ENDL;
}
quit();
}
}
void LLMenuOptionPathfindingRebakeNavmesh::initialize()
{
if (!mIsInitialized)
{
mIsInitialized = true;
setMode(kRebakeNavMesh_Default);
createNavMeshStatusListenerForCurrentRegion();
if ( !mRegionCrossingSlot.connected() )
{
mRegionCrossingSlot = gAgent.addRegionChangedCallback(boost::bind(&LLMenuOptionPathfindingRebakeNavmesh::handleRegionBoundaryCrossed, this));
}
if (!mAgentStateSlot.connected())
{
mAgentStateSlot = LLPathfindingManager::getInstance()->registerAgentStateListener(boost::bind(&LLMenuOptionPathfindingRebakeNavmesh::handleAgentState, this, _1));
}
LLPathfindingManager::getInstance()->requestGetAgentState();
}
}
void LLMenuOptionPathfindingRebakeNavmesh::quit()
{
if (mIsInitialized) // Quitting from the login screen leaves this uninitialized
{
if (mNavMeshSlot.connected())
{
mNavMeshSlot.disconnect();
}
if (mRegionCrossingSlot.connected())
{
mRegionCrossingSlot.disconnect();
}
if (mAgentStateSlot.connected())
{
mAgentStateSlot.disconnect();
}
mIsInitialized = false;
}
}
bool LLMenuOptionPathfindingRebakeNavmesh::canRebakeRegion() const
{
if (!mIsInitialized)
{
LL_ERRS("navmeshRebaking") << "LLMenuOptionPathfindingRebakeNavmesh class has not been initialized "
<< "when the ability to rebake navmesh is being requested." << LL_ENDL;
}
return mCanRebakeRegion;
}
LLMenuOptionPathfindingRebakeNavmesh::ERebakeNavMeshMode LLMenuOptionPathfindingRebakeNavmesh::getMode() const
{
if (!mIsInitialized)
{
LL_ERRS("navmeshRebaking") << "LLMenuOptionPathfindingRebakeNavmesh class has not been initialized "
<< "when the mode is being requested." << LL_ENDL;
}
return mRebakeNavMeshMode;
}
void LLMenuOptionPathfindingRebakeNavmesh::sendRequestRebakeNavmesh()
{
if (!mIsInitialized)
{
LL_ERRS("navmeshRebaking") << "LLMenuOptionPathfindingRebakeNavmesh class has not been initialized "
<< "when the request is being made to rebake the navmesh." << LL_ENDL;
}
else
{
if (!canRebakeRegion())
{
LL_WARNS("navmeshRebaking") << "attempting to rebake navmesh when user does not have permissions "
<< "on this region" << LL_ENDL;
}
if (getMode() != kRebakeNavMesh_Available)
{
LL_WARNS("navmeshRebaking") << "attempting to rebake navmesh when mode is not available"
<< LL_ENDL;
}
setMode(kRebakeNavMesh_RequestSent);
LLPathfindingManager::getInstance()->requestRebakeNavMesh(boost::bind(&LLMenuOptionPathfindingRebakeNavmesh::handleRebakeNavMeshResponse, this, _1));
}
}
void LLMenuOptionPathfindingRebakeNavmesh::setMode(ERebakeNavMeshMode pRebakeNavMeshMode)
{
mRebakeNavMeshMode = pRebakeNavMeshMode;
}
void LLMenuOptionPathfindingRebakeNavmesh::handleAgentState(BOOL pCanRebakeRegion)
{
llassert(mIsInitialized);
mCanRebakeRegion = pCanRebakeRegion;
}
void LLMenuOptionPathfindingRebakeNavmesh::handleRebakeNavMeshResponse(bool pResponseStatus)
{
llassert(mIsInitialized);
if (mIsInitialized)
{
if (getMode() == kRebakeNavMesh_RequestSent)
{
setMode(pResponseStatus ? kRebakeNavMesh_InProgress : kRebakeNavMesh_Default);
}
if (!pResponseStatus)
{
LLNotificationsUtil::add("PathfindingCannotRebakeNavmesh");
}
}
}
void LLMenuOptionPathfindingRebakeNavmesh::handleNavMeshStatus(const LLPathfindingNavMeshStatus &pNavMeshStatus)
{
llassert(mIsInitialized);
if (mIsInitialized)
{
ERebakeNavMeshMode rebakeNavMeshMode = kRebakeNavMesh_Default;
if (pNavMeshStatus.isValid())
{
switch (pNavMeshStatus.getStatus())
{
case LLPathfindingNavMeshStatus::kPending :
case LLPathfindingNavMeshStatus::kRepending :
rebakeNavMeshMode = kRebakeNavMesh_Available;
break;
case LLPathfindingNavMeshStatus::kBuilding :
rebakeNavMeshMode = kRebakeNavMesh_InProgress;
break;
case LLPathfindingNavMeshStatus::kComplete :
rebakeNavMeshMode = kRebakeNavMesh_NotAvailable;
break;
default :
rebakeNavMeshMode = kRebakeNavMesh_Default;
llassert(0);
break;
}
}
setMode(rebakeNavMeshMode);
}
}
void LLMenuOptionPathfindingRebakeNavmesh::handleRegionBoundaryCrossed()
{
llassert(mIsInitialized);
if (mIsInitialized)
{
createNavMeshStatusListenerForCurrentRegion();
mCanRebakeRegion = FALSE;
LLPathfindingManager::getInstance()->requestGetAgentState();
}
}
void LLMenuOptionPathfindingRebakeNavmesh::createNavMeshStatusListenerForCurrentRegion()
{
if (mNavMeshSlot.connected())
{
mNavMeshSlot.disconnect();
}
LLViewerRegion *currentRegion = gAgent.getRegion();
if (currentRegion != NULL)
{
mNavMeshSlot = LLPathfindingManager::getInstance()->registerNavMeshListenerForRegion(currentRegion, boost::bind(&LLMenuOptionPathfindingRebakeNavmesh::handleNavMeshStatus, this, _2));
LLPathfindingManager::getInstance()->requestGetNavMeshForRegion(currentRegion, true);
}
}
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