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Diffstat (limited to 'indra/newview/llpathfindingnavmeshzone.cpp')
| -rw-r--r-- | indra/newview/llpathfindingnavmeshzone.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/indra/newview/llpathfindingnavmeshzone.cpp b/indra/newview/llpathfindingnavmeshzone.cpp new file mode 100644 index 0000000000..986acfa3e8 --- /dev/null +++ b/indra/newview/llpathfindingnavmeshzone.cpp @@ -0,0 +1,230 @@ +/**
+ * @file llpathfindingnavmeshzone.cpp
+ * @author William Todd Stinson
+ * @brief A class for representing the zone of navmeshes containing and possible surrounding the current 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
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+#include "llsd.h"
+#include "lluuid.h"
+#include "llagent.h"
+#include "llviewerregion.h"
+#include "llpathfindingnavmesh.h"
+#include "llpathfindingnavmeshzone.h"
+#include "llpathfindingmanager.h"
+#include "llviewercontrol.h"
+
+#include "LLPathingLib.h"
+
+#include <string>
+#include <map>
+
+#define CENTER_REGION 99
+
+//---------------------------------------------------------------------------
+// LLPathfindingNavMeshZone
+//---------------------------------------------------------------------------
+
+LLPathfindingNavMeshZone::LLPathfindingNavMeshZone()
+ : mNavMeshLocations(),
+ mNavMeshZoneSignal(),
+ mNavMeshSlot()
+{
+}
+
+LLPathfindingNavMeshZone::~LLPathfindingNavMeshZone()
+{
+}
+
+LLPathfindingNavMeshZone::navmesh_zone_slot_t LLPathfindingNavMeshZone::registerNavMeshZoneListener(navmesh_zone_callback_t pNavMeshZoneCallback)
+{
+ return mNavMeshZoneSignal.connect(pNavMeshZoneCallback);
+}
+
+void LLPathfindingNavMeshZone::setCurrentRegionAsCenter()
+{
+ llassert(LLPathingLib::getInstance() != NULL);
+ LLPathingLib::getInstance()->cleanupResidual();
+ mNavMeshLocations.clear();
+ LLViewerRegion *currentRegion = gAgent.getRegion();
+ const LLUUID ¤tRegionUUID = currentRegion->getRegionID();
+ NavMeshLocation centerNavMesh(currentRegionUUID, CENTER_REGION);
+ mNavMeshLocations.insert(std::pair<LLUUID, NavMeshLocation>(currentRegionUUID, centerNavMesh));
+}
+
+void LLPathfindingNavMeshZone::refresh()
+{
+ LLPathfindingManager *pathfindingManagerInstance = LLPathfindingManager::getInstance();
+ if (!mNavMeshSlot.connected())
+ {
+ pathfindingManagerInstance->registerNavMeshListenerForCurrentRegion(boost::bind(&LLPathfindingNavMeshZone::handleNavMesh, this, _1, _2, _3, _4));
+ }
+
+ pathfindingManagerInstance->requestGetNavMeshForCurrentRegion();
+}
+
+void LLPathfindingNavMeshZone::disable()
+{
+ if (mNavMeshSlot.connected())
+ {
+ mNavMeshSlot.disconnect();
+ }
+
+ llassert(LLPathingLib::getInstance() != NULL);
+ LLPathingLib::getInstance()->cleanupResidual();
+
+ mNavMeshLocations.clear();
+}
+
+void LLPathfindingNavMeshZone::handleNavMesh(LLPathfindingNavMesh::ENavMeshRequestStatus pNavMeshRequestStatus, const LLUUID &pRegionUUID, U32 pNavMeshVersion, const LLSD::Binary &pNavMeshData)
+{
+ NavMeshLocations::iterator navMeshIter = mNavMeshLocations.find(pRegionUUID);
+ if (navMeshIter != mNavMeshLocations.end())
+ {
+ navMeshIter->second.handleNavMesh(pNavMeshRequestStatus, pRegionUUID, pNavMeshVersion, pNavMeshData);
+ updateStatus();
+ }
+}
+
+void LLPathfindingNavMeshZone::updateStatus()
+{
+ bool hasRequestUnknown = false;
+ bool hasRequestStarted = false;
+ bool hasRequestCompleted = false;
+ bool hasRequestNotEnabled = false;
+ bool hasRequestError = false;
+
+ for (NavMeshLocations::iterator navMeshIter = mNavMeshLocations.begin();
+ navMeshIter != mNavMeshLocations.end(); ++navMeshIter)
+ {
+ switch (navMeshIter->second.getRequestStatus())
+ {
+ case LLPathfindingNavMesh::kNavMeshRequestUnknown :
+ hasRequestUnknown = 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 (hasRequestNotEnabled)
+ {
+ zoneRequestStatus = kNavMeshZoneRequestNotEnabled;
+ }
+ else if (hasRequestError)
+ {
+ zoneRequestStatus = kNavMeshZoneRequestError;
+ }
+ else if (hasRequestStarted)
+ {
+ zoneRequestStatus = kNavMeshZoneRequestStarted;
+ }
+ else if (hasRequestUnknown)
+ {
+ zoneRequestStatus = kNavMeshZoneRequestUnknown;
+ llassert(0);
+ }
+ else if (hasRequestCompleted)
+ {
+ zoneRequestStatus = kNavMeshZoneRequestCompleted;
+ LLPathingLib::getInstance()->stitchNavMeshes( gSavedSettings.getBOOL("EnableVBOForNavMeshVisualization") );
+ }
+ else
+ {
+ zoneRequestStatus = kNavMeshZoneRequestError;
+ llassert(0);
+ }
+
+ mNavMeshZoneSignal(zoneRequestStatus);
+}
+
+//---------------------------------------------------------------------------
+// LLPathfindingNavMeshZone::NavMeshLocation
+//---------------------------------------------------------------------------
+
+LLPathfindingNavMeshZone::NavMeshLocation::NavMeshLocation(const LLUUID &pRegionUUID, S32 pDirection)
+ : mRegionUUID(pRegionUUID),
+ mDirection(pDirection),
+ mHasNavMesh(false),
+ mNavMeshVersion(0U),
+ mRequestStatus(LLPathfindingNavMesh::kNavMeshRequestUnknown)
+{
+}
+
+LLPathfindingNavMeshZone::NavMeshLocation::NavMeshLocation(const NavMeshLocation &other)
+ : mRegionUUID(other.mRegionUUID),
+ mDirection(other.mDirection),
+ mHasNavMesh(other.mHasNavMesh),
+ mNavMeshVersion(other.mNavMeshVersion),
+ mRequestStatus(other.mRequestStatus)
+{
+}
+
+LLPathfindingNavMeshZone::NavMeshLocation::~NavMeshLocation()
+{
+}
+
+void LLPathfindingNavMeshZone::NavMeshLocation::handleNavMesh(LLPathfindingNavMesh::ENavMeshRequestStatus pNavMeshRequestStatus, const LLUUID &pRegionUUID, U32 pNavMeshVersion, const LLSD::Binary &pNavMeshData)
+{
+ llassert(mRegionUUID == pRegionUUID);
+ mRequestStatus = pNavMeshRequestStatus;
+ if ((pNavMeshRequestStatus == LLPathfindingNavMesh::kNavMeshRequestCompleted) && (!mHasNavMesh || (mNavMeshVersion != pNavMeshVersion)))
+ {
+ llassert(!pNavMeshData.empty());
+ mHasNavMesh = true;
+ mNavMeshVersion = pNavMeshVersion;
+ LLPathingLib::getInstance()->extractNavMeshSrcFromLLSD(pNavMeshData, mDirection);
+ }
+}
+
+LLPathfindingNavMesh::ENavMeshRequestStatus LLPathfindingNavMeshZone::NavMeshLocation::getRequestStatus() const
+{
+ return mRequestStatus;
+}
+
+LLPathfindingNavMeshZone::NavMeshLocation &LLPathfindingNavMeshZone::NavMeshLocation::operator =(const NavMeshLocation &other)
+{
+ mRegionUUID = other.mRegionUUID;
+ mDirection = other.mDirection;
+ mHasNavMesh = other.mHasNavMesh;
+ mNavMeshVersion = other.mNavMeshVersion;
+ mRequestStatus = other.mRequestStatus;
+
+ return (*this);
+}
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