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Count navmesh cache hit rate

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elsid 2021-02-04 00:18:25 +01:00
parent 94e8855c8c
commit 88ca4a1db6
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GPG Key ID: B845CB9FEE18AB40
3 changed files with 14 additions and 1 deletions
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12
components/detournavigator/navmeshtilescache.cpp
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@ -53,13 +53,16 @@ namespace DetourNavigator
}
NavMeshTilesCache::NavMeshTilesCache(const std::size_t maxNavMeshDataSize)
: mMaxNavMeshDataSize(maxNavMeshDataSize), mUsedNavMeshDataSize(0), mFreeNavMeshDataSize(0) {}
: mMaxNavMeshDataSize(maxNavMeshDataSize), mUsedNavMeshDataSize(0), mFreeNavMeshDataSize(0),
mHitCount(0), mGetCount(0){}
NavMeshTilesCache::Value NavMeshTilesCache::get(const osg::Vec3f& agentHalfExtents, const TilePosition& changedTile,
const RecastMesh& recastMesh, const std::vector<OffMeshConnection>& offMeshConnections)
{
const std::lock_guard<std::mutex> lock(mMutex);
++mGetCount;
const auto agentValues = mValues.find(agentHalfExtents);
if (agentValues == mValues.end())
return Value();
@ -74,6 +77,8 @@ namespace DetourNavigator
acquireItemUnsafe(tile->second);
++mHitCount;
return Value(*this, tile->second);
}
@ -123,17 +128,22 @@ namespace DetourNavigator
std::size_t navMeshCacheSize = 0;
std::size_t usedNavMeshTiles = 0;
std::size_t cachedNavMeshTiles = 0;
std::size_t hitCount = 0;
std::size_t getCount = 0;
{
const std::lock_guard<std::mutex> lock(mMutex);
navMeshCacheSize = mUsedNavMeshDataSize;
usedNavMeshTiles = mBusyItems.size();
cachedNavMeshTiles = mFreeItems.size();
hitCount = mHitCount;
getCount = mGetCount;
}
stats.setAttribute(frameNumber, "NavMesh CacheSize", navMeshCacheSize);
stats.setAttribute(frameNumber, "NavMesh UsedTiles", usedNavMeshTiles);
stats.setAttribute(frameNumber, "NavMesh CachedTiles", cachedNavMeshTiles);
stats.setAttribute(frameNumber, "NavMesh CacheHitRate", static_cast<double>(hitCount) / getCount * 100.0);
}
void NavMeshTilesCache::removeLeastRecentlyUsed()

2
components/detournavigator/navmeshtilescache.hpp
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@ -194,6 +194,8 @@ namespace DetourNavigator
std::size_t mMaxNavMeshDataSize;
std::size_t mUsedNavMeshDataSize;
std::size_t mFreeNavMeshDataSize;
std::size_t mHitCount;
std::size_t mGetCount;
std::list<Item> mBusyItems;
std::list<Item> mFreeItems;
std::map<osg::Vec3f, std::map<TilePosition, TileMap>> mValues;

1
components/resource/stats.cpp
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@ -394,6 +394,7 @@ void StatsHandler::setUpScene(osgViewer::ViewerBase *viewer)
"NavMesh CacheSize",
"NavMesh UsedTiles",
"NavMesh CachedTiles",
"NavMesh CacheHitRate",
"",
"Mechanics Actors",
"Mechanics Objects",