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Diffstat (limited to 'indra/newview/llpathfindingnavmesh.cpp')
| -rw-r--r-- | indra/newview/llpathfindingnavmesh.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/indra/newview/llpathfindingnavmesh.cpp b/indra/newview/llpathfindingnavmesh.cpp new file mode 100644 index 0000000000..84343cf31e --- /dev/null +++ b/indra/newview/llpathfindingnavmesh.cpp @@ -0,0 +1,138 @@ +/**
+ * @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 "llsdserialize.h"
+
+#include <string>
+
+//---------------------------------------------------------------------------
+// LLPathfindingNavMesh
+//---------------------------------------------------------------------------
+
+LLPathfindingNavMesh::LLPathfindingNavMesh(const LLUUID &pRegionUUID)
+ : mRegionUUID(pRegionUUID),
+ mNavMeshRequestStatus(kNavMeshRequestUnknown),
+ mNavMeshSignal(),
+ mNavMeshData(),
+ mNavMeshVersion(0U)
+{
+}
+
+LLPathfindingNavMesh::~LLPathfindingNavMesh()
+{
+}
+
+LLPathfindingNavMesh::navmesh_slot_t LLPathfindingNavMesh::registerNavMeshListener(navmesh_callback_t pNavMeshCallback)
+{
+ return mNavMeshSignal.connect(pNavMeshCallback);
+}
+
+bool LLPathfindingNavMesh::hasNavMeshVersion(U32 pNavMeshVersion) const
+{
+ return (((mNavMeshRequestStatus == kNavMeshRequestStarted) || (mNavMeshRequestStatus == kNavMeshRequestCompleted)) && (mNavMeshVersion == pNavMeshVersion));
+}
+
+void LLPathfindingNavMesh::handleRefresh()
+{
+ mNavMeshSignal(mNavMeshRequestStatus, mRegionUUID, mNavMeshVersion, mNavMeshData);
+}
+
+void LLPathfindingNavMesh::handleNavMeshNewVersion(U32 pNavMeshVersion)
+{
+ mNavMeshData.clear();
+ mNavMeshVersion = pNavMeshVersion;
+ setRequestStatus(kNavMeshRequestNeedsUpdate);
+}
+
+void LLPathfindingNavMesh::handleNavMeshStart(U32 pNavMeshVersion)
+{
+ mNavMeshVersion = pNavMeshVersion;
+ setRequestStatus(kNavMeshRequestStarted);
+}
+
+void LLPathfindingNavMesh::handleNavMeshResult(const LLSD &pContent, U32 pNavMeshVersion)
+{
+ if (mNavMeshVersion == pNavMeshVersion)
+ {
+ if ( pContent.has("navmesh_data") )
+ {
+ const LLSD::Binary &value = pContent["navmesh_data"].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;
+ setRequestStatus(kNavMeshRequestError);
+ }
+ else
+ {
+ llassert(pUncompressedNavMeshContainer);
+ mNavMeshData.resize( decompBinSize );
+ memcpy( &mNavMeshData[0], &pUncompressedNavMeshContainer[0], decompBinSize );
+ setRequestStatus(kNavMeshRequestCompleted);
+ }
+ if ( pUncompressedNavMeshContainer )
+ {
+ free( pUncompressedNavMeshContainer );
+ }
+ }
+ else
+ {
+ llwarns << "No mesh data received" << llendl;
+ setRequestStatus(kNavMeshRequestError);
+ }
+ }
+}
+
+void LLPathfindingNavMesh::handleNavMeshNotEnabled()
+{
+ mNavMeshData.clear();
+ setRequestStatus(kNavMeshRequestNotEnabled);
+}
+
+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 (mNavMeshVersion == pNavMeshVersion)
+ {
+ mNavMeshData.clear();
+ setRequestStatus(kNavMeshRequestError);
+ }
+}
+
+void LLPathfindingNavMesh::setRequestStatus(ENavMeshRequestStatus pNavMeshRequestStatus)
+{
+ mNavMeshRequestStatus = pNavMeshRequestStatus;
+ mNavMeshSignal(mNavMeshRequestStatus, mRegionUUID, mNavMeshVersion, mNavMeshData);
+}
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