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Diffstat (limited to 'indra/newview/llpathfindingnavmeshzone.cpp')
| -rw-r--r-- | indra/newview/llpathfindingnavmeshzone.cpp | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/indra/newview/llpathfindingnavmeshzone.cpp b/indra/newview/llpathfindingnavmeshzone.cpp new file mode 100644 index 0000000000..e190dbba65 --- /dev/null +++ b/indra/newview/llpathfindingnavmeshzone.cpp @@ -0,0 +1,423 @@ +/** +* @file llpathfindingnavmeshzone.cpp +* @brief Implementation of llpathfindingnavmeshzone +* @author Stinson@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 "llpathfindingnavmeshzone.h" + +#include <vector> + +#include <boost/bind.hpp> +#include <boost/function.hpp> +#include <boost/shared_ptr.hpp> +#include <boost/signals2.hpp> + +#include "llagent.h" +#include "llpathfindingmanager.h" +#include "llpathfindingnavmesh.h" +#include "llpathfindingnavmeshstatus.h" +#include "llpathinglib.h" +#include "llsd.h" +#include "lluuid.h" +#include "llviewercontrol.h" +#include "llviewerregion.h" + +#define CENTER_REGION 99 + +//--------------------------------------------------------------------------- +// LLPathfindingNavMeshZone +//--------------------------------------------------------------------------- + +LLPathfindingNavMeshZone::LLPathfindingNavMeshZone() + : mNavMeshLocationPtrs(), + mNavMeshZoneRequestStatus(kNavMeshZoneRequestUnknown), + mNavMeshZoneSignal() +{ +} + +LLPathfindingNavMeshZone::~LLPathfindingNavMeshZone() +{ +} + +LLPathfindingNavMeshZone::navmesh_zone_slot_t LLPathfindingNavMeshZone::registerNavMeshZoneListener(navmesh_zone_callback_t pNavMeshZoneCallback) +{ + return mNavMeshZoneSignal.connect(pNavMeshZoneCallback); +} + +void LLPathfindingNavMeshZone::initialize() +{ + mNavMeshLocationPtrs.clear(); + + NavMeshLocationPtr centerNavMeshPtr(new NavMeshLocation(CENTER_REGION, boost::bind(&LLPathfindingNavMeshZone::handleNavMeshLocation, this))); + mNavMeshLocationPtrs.push_back(centerNavMeshPtr); + + U32 neighborRegionDir = gSavedSettings.getU32("PathfindingRetrieveNeighboringRegion"); + if (neighborRegionDir != CENTER_REGION) + { + NavMeshLocationPtr neighborNavMeshPtr(new NavMeshLocation(neighborRegionDir, boost::bind(&LLPathfindingNavMeshZone::handleNavMeshLocation, this))); + mNavMeshLocationPtrs.push_back(neighborNavMeshPtr); + } +} + +void LLPathfindingNavMeshZone::enable() +{ + for (NavMeshLocationPtrs::iterator navMeshLocationPtrIter = mNavMeshLocationPtrs.begin(); + navMeshLocationPtrIter != mNavMeshLocationPtrs.end(); ++navMeshLocationPtrIter) + { + NavMeshLocationPtr navMeshLocationPtr = *navMeshLocationPtrIter; + navMeshLocationPtr->enable(); + } +} + +void LLPathfindingNavMeshZone::disable() +{ + for (NavMeshLocationPtrs::iterator navMeshLocationPtrIter = mNavMeshLocationPtrs.begin(); + navMeshLocationPtrIter != mNavMeshLocationPtrs.end(); ++navMeshLocationPtrIter) + { + NavMeshLocationPtr navMeshLocationPtr = *navMeshLocationPtrIter; + navMeshLocationPtr->disable(); + } +} + +void LLPathfindingNavMeshZone::refresh() +{ + if (LLPathingLib::getInstance() != NULL) + { + LLPathingLib::getInstance()->cleanupResidual(); + } + + for (NavMeshLocationPtrs::iterator navMeshLocationPtrIter = mNavMeshLocationPtrs.begin(); + navMeshLocationPtrIter != mNavMeshLocationPtrs.end(); ++navMeshLocationPtrIter) + { + NavMeshLocationPtr navMeshLocationPtr = *navMeshLocationPtrIter; + navMeshLocationPtr->refresh(); + } +} + +LLPathfindingNavMeshZone::ENavMeshZoneStatus LLPathfindingNavMeshZone::getNavMeshZoneStatus() const +{ + bool hasPending = false; + bool hasBuilding = false; + bool hasComplete = false; + bool hasRepending = false; + + for (NavMeshLocationPtrs::const_iterator navMeshLocationPtrIter = mNavMeshLocationPtrs.begin(); + navMeshLocationPtrIter != mNavMeshLocationPtrs.end(); ++navMeshLocationPtrIter) + { + const NavMeshLocationPtr navMeshLocationPtr = *navMeshLocationPtrIter; + + switch (navMeshLocationPtr->getNavMeshStatus()) + { + case LLPathfindingNavMeshStatus::kPending : + hasPending = true; + break; + case LLPathfindingNavMeshStatus::kBuilding : + hasBuilding = true; + break; + case LLPathfindingNavMeshStatus::kComplete : + hasComplete = true; + break; + case LLPathfindingNavMeshStatus::kRepending : + hasRepending = true; + break; + default : + hasPending = true; + llassert(0); + break; + } + } + + ENavMeshZoneStatus zoneStatus = kNavMeshZoneComplete; + if (hasRepending || (hasPending && hasBuilding)) + { + zoneStatus = kNavMeshZonePendingAndBuilding; + } + else if (hasComplete) + { + if (hasPending) + { + zoneStatus = kNavMeshZoneSomePending; + } + else if (hasBuilding) + { + zoneStatus = kNavMeshZoneSomeBuilding; + } + else + { + zoneStatus = kNavMeshZoneComplete; + } + } + else if (hasPending) + { + zoneStatus = kNavMeshZonePending; + } + else if (hasBuilding) + { + zoneStatus = kNavMeshZoneBuilding; + } + + return zoneStatus; +} + +void LLPathfindingNavMeshZone::handleNavMeshLocation() +{ + updateStatus(); +} + +void LLPathfindingNavMeshZone::updateStatus() +{ + bool hasRequestUnknown = false; + bool hasRequestWaiting = false; + bool hasRequestChecking = false; + bool hasRequestNeedsUpdate = false; + bool hasRequestStarted = false; + bool hasRequestCompleted = false; + bool hasRequestNotEnabled = false; + bool hasRequestError = false; + + for (NavMeshLocationPtrs::const_iterator navMeshLocationPtrIter = mNavMeshLocationPtrs.begin(); + navMeshLocationPtrIter != mNavMeshLocationPtrs.end(); ++navMeshLocationPtrIter) + { + const NavMeshLocationPtr navMeshLocationPtr = *navMeshLocationPtrIter; + switch (navMeshLocationPtr->getRequestStatus()) + { + case LLPathfindingNavMesh::kNavMeshRequestUnknown : + hasRequestUnknown = true; + break; + case LLPathfindingNavMesh::kNavMeshRequestWaiting : + hasRequestWaiting = true; + break; + case LLPathfindingNavMesh::kNavMeshRequestChecking : + hasRequestChecking = true; + break; + case LLPathfindingNavMesh::kNavMeshRequestNeedsUpdate : + hasRequestNeedsUpdate = true; + break; + case LLPathfindingNavMesh::kNavMeshRequestStarted : + hasRequestStarted = true; + break; + case LLPathfindingNavMesh::kNavMeshRequestCompleted : + hasRequestCompleted = true; + break; + case LLPathfindingNavMesh::kNavMeshRequestNotEnabled : + hasRequestNotEnabled = true; + break; + case LLPathfindingNavMesh::kNavMeshRequestError : + hasRequestError = true; + break; + default : + hasRequestError = true; + llassert(0); + break; + } + } + + ENavMeshZoneRequestStatus zoneRequestStatus = kNavMeshZoneRequestUnknown; + if (hasRequestWaiting) + { + zoneRequestStatus = kNavMeshZoneRequestWaiting; + } + else if (hasRequestNeedsUpdate) + { + zoneRequestStatus = kNavMeshZoneRequestNeedsUpdate; + } + else if (hasRequestChecking) + { + zoneRequestStatus = kNavMeshZoneRequestChecking; + } + else if (hasRequestStarted) + { + zoneRequestStatus = kNavMeshZoneRequestStarted; + } + else if (hasRequestError) + { + zoneRequestStatus = kNavMeshZoneRequestError; + } + else if (hasRequestUnknown) + { + zoneRequestStatus = kNavMeshZoneRequestUnknown; + } + else if (hasRequestCompleted) + { + zoneRequestStatus = kNavMeshZoneRequestCompleted; + } + else if (hasRequestNotEnabled) + { + zoneRequestStatus = kNavMeshZoneRequestNotEnabled; + } + else + { + zoneRequestStatus = kNavMeshZoneRequestError; + llassert(0); + } + + if ((mNavMeshZoneRequestStatus != kNavMeshZoneRequestCompleted) && + (zoneRequestStatus == kNavMeshZoneRequestCompleted)) + { + llassert(LLPathingLib::getInstance() != NULL); + if (LLPathingLib::getInstance() != NULL) + { + LLPathingLib::getInstance()->processNavMeshData(); + } + } + + mNavMeshZoneRequestStatus = zoneRequestStatus; + mNavMeshZoneSignal(mNavMeshZoneRequestStatus); +} + +//--------------------------------------------------------------------------- +// LLPathfindingNavMeshZone::NavMeshLocation +//--------------------------------------------------------------------------- + +LLPathfindingNavMeshZone::NavMeshLocation::NavMeshLocation(S32 pDirection, navmesh_location_callback_t pLocationCallback) + : mDirection(pDirection), + mRegionUUID(), + mHasNavMesh(false), + mNavMeshVersion(0U), + mNavMeshStatus(LLPathfindingNavMeshStatus::kComplete), + mLocationCallback(pLocationCallback), + mRequestStatus(LLPathfindingNavMesh::kNavMeshRequestUnknown), + mNavMeshSlot() +{ +} + +LLPathfindingNavMeshZone::NavMeshLocation::~NavMeshLocation() +{ +} + +void LLPathfindingNavMeshZone::NavMeshLocation::enable() +{ + clear(); + + LLViewerRegion *region = getRegion(); + if (region == NULL) + { + mRegionUUID.setNull(); + } + else + { + mRegionUUID = region->getRegionID(); + mNavMeshSlot = LLPathfindingManager::getInstance()->registerNavMeshListenerForRegion(region, boost::bind(&LLPathfindingNavMeshZone::NavMeshLocation::handleNavMesh, this, _1, _2, _3)); + } +} + +void LLPathfindingNavMeshZone::NavMeshLocation::refresh() +{ + LLViewerRegion *region = getRegion(); + + if (region == NULL) + { + llassert(mRegionUUID.isNull()); + LLPathfindingNavMeshStatus newNavMeshStatus(mRegionUUID); + LLSD::Binary nullData; + handleNavMesh(LLPathfindingNavMesh::kNavMeshRequestNotEnabled, newNavMeshStatus, nullData); + } + else + { + llassert(mRegionUUID == region->getRegionID()); + LLPathfindingManager::getInstance()->requestGetNavMeshForRegion(region, false); + } +} + +void LLPathfindingNavMeshZone::NavMeshLocation::disable() +{ + clear(); +} + +LLPathfindingNavMesh::ENavMeshRequestStatus LLPathfindingNavMeshZone::NavMeshLocation::getRequestStatus() const +{ + return mRequestStatus; +} + +LLPathfindingNavMeshStatus::ENavMeshStatus LLPathfindingNavMeshZone::NavMeshLocation::getNavMeshStatus() const +{ + return mNavMeshStatus; +} + +void LLPathfindingNavMeshZone::NavMeshLocation::handleNavMesh(LLPathfindingNavMesh::ENavMeshRequestStatus pNavMeshRequestStatus, const LLPathfindingNavMeshStatus &pNavMeshStatus, const LLSD::Binary &pNavMeshData) +{ + llassert(mRegionUUID == pNavMeshStatus.getRegionUUID()); + + if ((pNavMeshRequestStatus == LLPathfindingNavMesh::kNavMeshRequestCompleted) && + (!mHasNavMesh || (mNavMeshVersion != pNavMeshStatus.getVersion()))) + { + llassert(!pNavMeshData.empty()); + mHasNavMesh = true; + mNavMeshVersion = pNavMeshStatus.getVersion(); + llassert(LLPathingLib::getInstance() != NULL); + if (LLPathingLib::getInstance() != NULL) + { + LLPathingLib::getInstance()->extractNavMeshSrcFromLLSD(pNavMeshData, mDirection); + } + } + + mRequestStatus = pNavMeshRequestStatus; + mNavMeshStatus = pNavMeshStatus.getStatus(); + mLocationCallback(); +} + +void LLPathfindingNavMeshZone::NavMeshLocation::clear() +{ + mHasNavMesh = false; + mRequestStatus = LLPathfindingNavMesh::kNavMeshRequestUnknown; + mNavMeshStatus = LLPathfindingNavMeshStatus::kComplete; + if (mNavMeshSlot.connected()) + { + mNavMeshSlot.disconnect(); + } +} + +LLViewerRegion *LLPathfindingNavMeshZone::NavMeshLocation::getRegion() const +{ + LLViewerRegion *region = NULL; + + LLViewerRegion *currentRegion = gAgent.getRegion(); + if (currentRegion != NULL) + { + if (mDirection == CENTER_REGION) + { + region = currentRegion; + } + else + { + //User wants to pull in a neighboring region + std::vector<S32> availableRegions; + currentRegion->getNeighboringRegionsStatus( availableRegions ); + //Is the desired region in the available list + std::vector<S32>::iterator foundElem = std::find(availableRegions.begin(),availableRegions.end(),mDirection); + if ( foundElem != availableRegions.end() ) + { + std::vector<LLViewerRegion*> neighborRegionsPtrs; + currentRegion->getNeighboringRegions( neighborRegionsPtrs ); + region = neighborRegionsPtrs[foundElem - availableRegions.begin()]; + } + } + } + + return region; +} |