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Code Issues Releases Wiki Activity

Use single map for navmesh cache

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elsid 2021-03-05 01:56:44 +01:00
parent b9a40bc5fc
commit 05d6f6ac25
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GPG key ID: B845CB9FEE18AB40
2 changed files with 15 additions and 37 deletions
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37
components/detournavigator/navmeshtilescache.cpp
View file

@ -32,16 +32,8 @@ namespace DetourNavigator
++mGetCount;
const auto agentValues = mValues.find(agentHalfExtents);
if (agentValues == mValues.end())
return Value();
const auto tileValues = agentValues->second.find(changedTile);
if (tileValues == agentValues->second.end())
return Value();
const auto tile = tileValues->second.mMap.find(NavMeshKeyView(recastMesh, offMeshConnections));
if (tile == tileValues->second.mMap.end())
const auto tile = mValues.find(std::make_tuple(agentHalfExtents, changedTile, NavMeshKeyView(recastMesh, offMeshConnections)));
if (tile == mValues.end())
return Value();
acquireItemUnsafe(tile->second);
@ -71,7 +63,7 @@ namespace DetourNavigator
};
const auto iterator = mFreeItems.emplace(mFreeItems.end(), agentHalfExtents, changedTile, std::move(navMeshKey), itemSize);
const auto emplaced = mValues[agentHalfExtents][changedTile].mMap.emplace(iterator->mNavMeshKey, iterator);
const auto emplaced = mValues.emplace(std::make_tuple(agentHalfExtents, changedTile, NavMeshKeyRef(iterator->mNavMeshKey)), iterator);
if (!emplaced.second)
{
@ -115,32 +107,15 @@ namespace DetourNavigator
{
const auto& item = mFreeItems.back();
const auto agentValues = mValues.find(item.mAgentHalfExtents);
if (agentValues == mValues.end())
return;
const auto tileValues = agentValues->second.find(item.mChangedTile);
if (tileValues == agentValues->second.end())
return;
const auto value = tileValues->second.mMap.find(item.mNavMeshKey);
if (value == tileValues->second.mMap.end())
const auto value = mValues.find(std::make_tuple(item.mAgentHalfExtents, item.mChangedTile, NavMeshKeyRef(item.mNavMeshKey)));
if (value == mValues.end())
return;
mUsedNavMeshDataSize -= item.mSize;
mFreeNavMeshDataSize -= item.mSize;
tileValues->second.mMap.erase(value);
mValues.erase(value);
mFreeItems.pop_back();
if (!tileValues->second.mMap.empty())
return;
agentValues->second.erase(tileValues);
if (!agentValues->second.empty())
return;
mValues.erase(agentValues);
}
void NavMeshTilesCache::acquireItemUnsafe(ItemIterator iterator)

15
components/detournavigator/navmeshtilescache.hpp
View file

@ -110,6 +110,14 @@ namespace DetourNavigator
return lhs < rhs.mRef.get();
}
template <class L, class R>
inline bool operator <(const std::tuple<osg::Vec3f, TilePosition, L>& lhs, const std::tuple<osg::Vec3f, TilePosition, R>& rhs)
{
const auto left = std::tie(std::get<0>(lhs), std::get<1>(lhs));
const auto right = std::tie(std::get<0>(rhs), std::get<1>(rhs));
return std::tie(left, std::get<2>(lhs)) < std::tie(right, std::get<2>(rhs));
}
class NavMeshTilesCache
{
public:
@ -211,11 +219,6 @@ namespace DetourNavigator
void reportStats(unsigned int frameNumber, osg::Stats& stats) const;
private:
struct TileMap
{
std::map<NavMeshKeyRef, ItemIterator, std::less<>> mMap;
};
mutable std::mutex mMutex;
std::size_t mMaxNavMeshDataSize;
std::size_t mUsedNavMeshDataSize;
@ -224,7 +227,7 @@ namespace DetourNavigator
std::size_t mGetCount;
std::list<Item> mBusyItems;
std::list<Item> mFreeItems;
std::map<osg::Vec3f, std::map<TilePosition, TileMap>> mValues;
std::map<std::tuple<osg::Vec3f, TilePosition, NavMeshKeyRef>, ItemIterator, std::less<>> mValues;
void removeLeastRecentlyUsed();