diff options
Diffstat (limited to 'indra/newview/llpathfindingnavmesh.cpp')
| -rw-r--r-- | indra/newview/llpathfindingnavmesh.cpp | 396 |
1 files changed, 201 insertions, 195 deletions
diff --git a/indra/newview/llpathfindingnavmesh.cpp b/indra/newview/llpathfindingnavmesh.cpp index 10e9abaf0c..4e4e9fceef 100644 --- a/indra/newview/llpathfindingnavmesh.cpp +++ b/indra/newview/llpathfindingnavmesh.cpp @@ -1,195 +1,201 @@ -/**
- * @file llpathfindingnavmesh.cpp
- * @author William Todd Stinson
- * @brief A class for representing the navmesh of a pathfinding 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 "lluuid.h"
-#include "llpathfindingnavmesh.h"
-#include "llpathfindingnavmeshstatus.h"
-#include "llsdserialize.h"
-
-#include <string>
-
-#define NAVMESH_VERSION_FIELD "navmesh_version"
-#define NAVMESH_DATA_FIELD "navmesh_data"
-
-//---------------------------------------------------------------------------
-// LLPathfindingNavMesh
-//---------------------------------------------------------------------------
-
-LLPathfindingNavMesh::LLPathfindingNavMesh(const LLUUID &pRegionUUID)
- : mNavMeshStatus(pRegionUUID),
- mNavMeshRequestStatus(kNavMeshRequestUnknown),
- mNavMeshSignal(),
- mNavMeshData()
-
-{
-}
-
-LLPathfindingNavMesh::~LLPathfindingNavMesh()
-{
-}
-
-LLPathfindingNavMesh::navmesh_slot_t LLPathfindingNavMesh::registerNavMeshListener(navmesh_callback_t pNavMeshCallback)
-{
- return mNavMeshSignal.connect(pNavMeshCallback);
-}
-
-bool LLPathfindingNavMesh::hasNavMeshVersion(const LLPathfindingNavMeshStatus &pNavMeshStatus) const
-{
- return ((mNavMeshStatus.getVersion() == pNavMeshStatus.getVersion()) &&
- ((mNavMeshRequestStatus == kNavMeshRequestStarted) || (mNavMeshRequestStatus == kNavMeshRequestCompleted) ||
- ((mNavMeshRequestStatus == kNavMeshRequestChecking) && !mNavMeshData.empty())));
-}
-
-void LLPathfindingNavMesh::handleNavMeshCheckVersion()
-{
- setRequestStatus(kNavMeshRequestChecking);
-}
-
-void LLPathfindingNavMesh::handleRefresh(const LLPathfindingNavMeshStatus &pNavMeshStatus)
-{
- llassert(mNavMeshStatus.getRegionUUID() == pNavMeshStatus.getRegionUUID());
- llassert(mNavMeshStatus.getVersion() == pNavMeshStatus.getVersion());
- mNavMeshStatus = pNavMeshStatus;
- if (mNavMeshRequestStatus == kNavMeshRequestChecking)
- {
- llassert(!mNavMeshData.empty());
- setRequestStatus(kNavMeshRequestCompleted);
- }
- else
- {
- sendStatus();
- }
-}
-
-void LLPathfindingNavMesh::handleNavMeshNewVersion(const LLPathfindingNavMeshStatus &pNavMeshStatus)
-{
- llassert(mNavMeshStatus.getRegionUUID() == pNavMeshStatus.getRegionUUID());
- if (mNavMeshStatus.getVersion() == pNavMeshStatus.getVersion())
- {
- mNavMeshStatus = pNavMeshStatus;
- sendStatus();
- }
- else
- {
- mNavMeshData.clear();
- mNavMeshStatus = pNavMeshStatus;
- setRequestStatus(kNavMeshRequestNeedsUpdate);
- }
-}
-
-void LLPathfindingNavMesh::handleNavMeshStart(const LLPathfindingNavMeshStatus &pNavMeshStatus)
-{
- llassert(mNavMeshStatus.getRegionUUID() == pNavMeshStatus.getRegionUUID());
- mNavMeshStatus = pNavMeshStatus;
- setRequestStatus(kNavMeshRequestStarted);
-}
-
-void LLPathfindingNavMesh::handleNavMeshResult(const LLSD &pContent, U32 pNavMeshVersion)
-{
- if (pContent.has(NAVMESH_VERSION_FIELD))
- {
- llassert(pContent.get(NAVMESH_VERSION_FIELD).isInteger());
- llassert(pContent.get(NAVMESH_VERSION_FIELD).asInteger() >= 0);
- U32 embeddedNavMeshVersion = static_cast<U32>(pContent.get(NAVMESH_VERSION_FIELD).asInteger());
- llassert(embeddedNavMeshVersion == pNavMeshVersion); // stinson 03/13/2012 : does this ever occur?
- if (embeddedNavMeshVersion != pNavMeshVersion)
- {
- llwarns << "Mismatch between expected and embedded navmesh versions occurred" << llendl;
- pNavMeshVersion = embeddedNavMeshVersion;
- }
- }
-
- if (mNavMeshStatus.getVersion() == pNavMeshVersion)
- {
- ENavMeshRequestStatus status;
- if ( pContent.has(NAVMESH_DATA_FIELD) )
- {
- const LLSD::Binary &value = pContent.get(NAVMESH_DATA_FIELD).asBinary();
- unsigned int binSize = value.size();
- std::string newStr(reinterpret_cast<const char *>(&value[0]), binSize);
- std::istringstream streamdecomp( newStr );
- unsigned int decompBinSize = 0;
- bool valid = false;
- U8* pUncompressedNavMeshContainer = unzip_llsdNavMesh( valid, decompBinSize, streamdecomp, binSize ) ;
- if ( !valid )
- {
- llwarns << "Unable to decompress the navmesh llsd." << llendl;
- status = kNavMeshRequestError;
- }
- else
- {
- llassert(pUncompressedNavMeshContainer);
- mNavMeshData.resize( decompBinSize );
- memcpy( &mNavMeshData[0], &pUncompressedNavMeshContainer[0], decompBinSize );
- status = kNavMeshRequestCompleted;
- }
- if ( pUncompressedNavMeshContainer )
- {
- free( pUncompressedNavMeshContainer );
- }
- }
- else
- {
- llwarns << "No mesh data received" << llendl;
- status = kNavMeshRequestError;
- }
- setRequestStatus(status);
- }
-}
-
-void LLPathfindingNavMesh::handleNavMeshNotEnabled()
-{
- mNavMeshData.clear();
- setRequestStatus(kNavMeshRequestNotEnabled);
-}
-
-void LLPathfindingNavMesh::handleNavMeshError()
-{
- mNavMeshData.clear();
- setRequestStatus(kNavMeshRequestError);
-}
-
-void LLPathfindingNavMesh::handleNavMeshError(U32 pStatus, const std::string &pReason, const std::string &pURL, U32 pNavMeshVersion)
-{
- llwarns << "error with request to URL '" << pURL << "' because " << pReason << " (statusCode:" << pStatus << ")" << llendl;
- if (mNavMeshStatus.getVersion() == pNavMeshVersion)
- {
- handleNavMeshError();
- }
-}
-
-void LLPathfindingNavMesh::setRequestStatus(ENavMeshRequestStatus pNavMeshRequestStatus)
-{
- mNavMeshRequestStatus = pNavMeshRequestStatus;
- sendStatus();
-}
-
-void LLPathfindingNavMesh::sendStatus()
-{
- mNavMeshSignal(mNavMeshRequestStatus, mNavMeshStatus, mNavMeshData);
-}
+/** + * @file llpathfindingnavmesh.cpp + * @author William Todd Stinson + * @brief A class for representing the navmesh of a pathfinding 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 "lluuid.h" +#include "llpathfindingnavmesh.h" +#include "llpathfindingnavmeshstatus.h" +#include "llsdserialize.h" + +#include <string> + +#define NAVMESH_VERSION_FIELD "navmesh_version" +#define NAVMESH_DATA_FIELD "navmesh_data" + +//--------------------------------------------------------------------------- +// LLPathfindingNavMesh +//--------------------------------------------------------------------------- + +LLPathfindingNavMesh::LLPathfindingNavMesh(const LLUUID &pRegionUUID) + : mNavMeshStatus(pRegionUUID), + mNavMeshRequestStatus(kNavMeshRequestUnknown), + mNavMeshSignal(), + mNavMeshData() + +{ +} + +LLPathfindingNavMesh::~LLPathfindingNavMesh() +{ +} + +LLPathfindingNavMesh::navmesh_slot_t LLPathfindingNavMesh::registerNavMeshListener(navmesh_callback_t pNavMeshCallback) +{ + return mNavMeshSignal.connect(pNavMeshCallback); +} + +bool LLPathfindingNavMesh::hasNavMeshVersion(const LLPathfindingNavMeshStatus &pNavMeshStatus) const +{ + return ((mNavMeshStatus.getVersion() == pNavMeshStatus.getVersion()) && + ((mNavMeshRequestStatus == kNavMeshRequestStarted) || (mNavMeshRequestStatus == kNavMeshRequestCompleted) || + ((mNavMeshRequestStatus == kNavMeshRequestChecking) && !mNavMeshData.empty()))); +} + +void LLPathfindingNavMesh::handleNavMeshWaitForRegionLoad() +{ + setRequestStatus(kNavMeshRequestWaiting); +} + +void LLPathfindingNavMesh::handleNavMeshCheckVersion() +{ + setRequestStatus(kNavMeshRequestChecking); +} + +void LLPathfindingNavMesh::handleRefresh(const LLPathfindingNavMeshStatus &pNavMeshStatus) +{ + llassert(mNavMeshStatus.getRegionUUID() == pNavMeshStatus.getRegionUUID()); + llassert(mNavMeshStatus.getVersion() == pNavMeshStatus.getVersion()); + mNavMeshStatus = pNavMeshStatus; + if (mNavMeshRequestStatus == kNavMeshRequestChecking) + { + llassert(!mNavMeshData.empty()); + setRequestStatus(kNavMeshRequestCompleted); + } + else + { + sendStatus(); + } +} + +void LLPathfindingNavMesh::handleNavMeshNewVersion(const LLPathfindingNavMeshStatus &pNavMeshStatus) +{ + llassert(mNavMeshStatus.getRegionUUID() == pNavMeshStatus.getRegionUUID()); + if (mNavMeshStatus.getVersion() == pNavMeshStatus.getVersion()) + { + mNavMeshStatus = pNavMeshStatus; + sendStatus(); + } + else + { + mNavMeshData.clear(); + mNavMeshStatus = pNavMeshStatus; + setRequestStatus(kNavMeshRequestNeedsUpdate); + } +} + +void LLPathfindingNavMesh::handleNavMeshStart(const LLPathfindingNavMeshStatus &pNavMeshStatus) +{ + llassert(mNavMeshStatus.getRegionUUID() == pNavMeshStatus.getRegionUUID()); + mNavMeshStatus = pNavMeshStatus; + setRequestStatus(kNavMeshRequestStarted); +} + +void LLPathfindingNavMesh::handleNavMeshResult(const LLSD &pContent, U32 pNavMeshVersion) +{ + if (pContent.has(NAVMESH_VERSION_FIELD)) + { + llassert(pContent.get(NAVMESH_VERSION_FIELD).isInteger()); + llassert(pContent.get(NAVMESH_VERSION_FIELD).asInteger() >= 0); + U32 embeddedNavMeshVersion = static_cast<U32>(pContent.get(NAVMESH_VERSION_FIELD).asInteger()); + llassert(embeddedNavMeshVersion == pNavMeshVersion); // stinson 03/13/2012 : does this ever occur? + if (embeddedNavMeshVersion != pNavMeshVersion) + { + llwarns << "Mismatch between expected and embedded navmesh versions occurred" << llendl; + pNavMeshVersion = embeddedNavMeshVersion; + } + } + + if (mNavMeshStatus.getVersion() == pNavMeshVersion) + { + ENavMeshRequestStatus status; + if ( pContent.has(NAVMESH_DATA_FIELD) ) + { + const LLSD::Binary &value = pContent.get(NAVMESH_DATA_FIELD).asBinary(); + unsigned int binSize = value.size(); + std::string newStr(reinterpret_cast<const char *>(&value[0]), binSize); + std::istringstream streamdecomp( newStr ); + unsigned int decompBinSize = 0; + bool valid = false; + U8* pUncompressedNavMeshContainer = unzip_llsdNavMesh( valid, decompBinSize, streamdecomp, binSize ) ; + if ( !valid ) + { + llwarns << "Unable to decompress the navmesh llsd." << llendl; + status = kNavMeshRequestError; + } + else + { + llassert(pUncompressedNavMeshContainer); + mNavMeshData.resize( decompBinSize ); + memcpy( &mNavMeshData[0], &pUncompressedNavMeshContainer[0], decompBinSize ); + status = kNavMeshRequestCompleted; + } + if ( pUncompressedNavMeshContainer ) + { + free( pUncompressedNavMeshContainer ); + } + } + else + { + llwarns << "No mesh data received" << llendl; + status = kNavMeshRequestError; + } + setRequestStatus(status); + } +} + +void LLPathfindingNavMesh::handleNavMeshNotEnabled() +{ + mNavMeshData.clear(); + setRequestStatus(kNavMeshRequestNotEnabled); +} + +void LLPathfindingNavMesh::handleNavMeshError() +{ + mNavMeshData.clear(); + setRequestStatus(kNavMeshRequestError); +} + +void LLPathfindingNavMesh::handleNavMeshError(U32 pStatus, const std::string &pReason, const std::string &pURL, U32 pNavMeshVersion) +{ + llwarns << "error with request to URL '" << pURL << "' because " << pReason << " (statusCode:" << pStatus << ")" << llendl; + if (mNavMeshStatus.getVersion() == pNavMeshVersion) + { + handleNavMeshError(); + } +} + +void LLPathfindingNavMesh::setRequestStatus(ENavMeshRequestStatus pNavMeshRequestStatus) +{ + mNavMeshRequestStatus = pNavMeshRequestStatus; + sendStatus(); +} + +void LLPathfindingNavMesh::sendStatus() +{ + mNavMeshSignal(mNavMeshRequestStatus, mNavMeshStatus, mNavMeshData); +} + |