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Merge branch 'fix_cell_preloading' into 'master'

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Fix exterior cell preloading (#7954)

Closes #7954

See merge request OpenMW/openmw!4064
pull/3235/head
psi29a 3 weeks ago
parent 5b25435260 404940b6e0
commit fa5c8f4a13
5 changed files with 83 additions and 74 deletions
Show Stats Download Patch File Download Diff File

17
apps/openmw/mwworld/cellpreloader.cpp
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@ -225,8 +225,6 @@ namespace MWWorld
, mTerrain(terrain)
, mLandManager(landManager)
, mExpiryDelay(0.0)
, mMinCacheSize(0)
, mMaxCacheSize(0)
, mPreloadInstances(true)
, mLastResourceCacheUpdate(0.0)
, mLoadedTerrainTimestamp(0.0)
@ -361,26 +359,11 @@ namespace MWWorld
mExpiryDelay = expiryDelay;
}
void CellPreloader::setMinCacheSize(unsigned int num)
{
mMinCacheSize = num;
}
void CellPreloader::setMaxCacheSize(unsigned int num)
{
mMaxCacheSize = num;
}
void CellPreloader::setPreloadInstances(bool preload)
{
mPreloadInstances = preload;
}
unsigned int CellPreloader::getMaxCacheSize() const
{
return mMaxCacheSize;
}
void CellPreloader::setWorkQueue(osg::ref_ptr<SceneUtil::WorkQueue> workQueue)
{
mWorkQueue = workQueue;

12
apps/openmw/mwworld/cellpreloader.hpp
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@ -65,15 +65,17 @@ namespace MWWorld
void setExpiryDelay(double expiryDelay);
/// The minimum number of preloaded cells before unused cells get thrown out.
void setMinCacheSize(unsigned int num);
void setMinCacheSize(std::size_t value) { mMinCacheSize = value; }
/// The maximum number of preloaded cells.
void setMaxCacheSize(unsigned int num);
void setMaxCacheSize(std::size_t value) { mMaxCacheSize = value; }
/// Enables the creation of instances in the preloading thread.
void setPreloadInstances(bool preload);
unsigned int getMaxCacheSize() const;
std::size_t getMaxCacheSize() const { return mMaxCacheSize; }
std::size_t getCacheSize() const { return mPreloadCells.size(); }
void setWorkQueue(osg::ref_ptr<SceneUtil::WorkQueue> workQueue);
@ -96,8 +98,8 @@ namespace MWWorld
MWRender::LandManager* mLandManager;
osg::ref_ptr<SceneUtil::WorkQueue> mWorkQueue;
double mExpiryDelay;
unsigned int mMinCacheSize;
unsigned int mMaxCacheSize;
std::size_t mMinCacheSize = 0;
std::size_t mMaxCacheSize = 0;
bool mPreloadInstances;
double mLastResourceCacheUpdate;

123
apps/openmw/mwworld/scene.cpp
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@ -270,6 +270,29 @@ namespace
pagedRefs.erase(it);
return true;
}
template <class Function>
void iterateOverCellsAround(int cellX, int cellY, int range, Function&& f)
{
for (int x = cellX - range, lastX = cellX + range; x <= lastX; ++x)
for (int y = cellY - range, lastY = cellY + range; y <= lastY; ++y)
f(x, y);
}
void sortCellsToLoad(int centerX, int centerY, std::vector<std::pair<int, int>>& cells)
{
const auto getDistanceToPlayerCell = [&](const std::pair<int, int>& cellPosition) {
return std::abs(cellPosition.first - centerX) + std::abs(cellPosition.second - centerY);
};
const auto getCellPositionPriority = [&](const std::pair<int, int>& cellPosition) {
return std::make_pair(getDistanceToPlayerCell(cellPosition), getCellPositionDistanceToOrigin(cellPosition));
};
std::sort(cells.begin(), cells.end(), [&](const std::pair<int, int>& lhs, const std::pair<int, int>& rhs) {
return getCellPositionPriority(lhs) < getCellPositionPriority(rhs);
});
}
}
namespace MWWorld
@ -585,44 +608,24 @@ namespace MWWorld
mPagedRefs.clear();
mRendering.getPagedRefnums(newGrid, mPagedRefs);
std::size_t refsToLoad = 0;
const auto cellsToLoad = [&](CellStoreCollection& collection, int range) -> std::vector<std::pair<int, int>> {
std::vector<std::pair<int, int>> cellsPositionsToLoad;
for (int x = playerCellX - range; x <= playerCellX + range; ++x)
{
for (int y = playerCellY - range; y <= playerCellY + range; ++y)
{
if (!isCellInCollection(ESM::ExteriorCellLocation(x, y, playerCellIndex.mWorldspace), collection))
{
refsToLoad += mWorld.getWorldModel().getExterior(playerCellIndex).count();
cellsPositionsToLoad.emplace_back(x, y);
}
}
}
return cellsPositionsToLoad;
};
addPostponedPhysicsObjects();
auto cellsPositionsToLoad = cellsToLoad(mActiveCells, mHalfGridSize);
std::size_t refsToLoad = 0;
std::vector<std::pair<int, int>> cellsPositionsToLoad;
iterateOverCellsAround(playerCellX, playerCellY, mHalfGridSize, [&](int x, int y) {
const ESM::ExteriorCellLocation location(x, y, playerCellIndex.mWorldspace);
if (isCellInCollection(location, mActiveCells))
return;
refsToLoad += mWorld.getWorldModel().getExterior(location).count();
cellsPositionsToLoad.emplace_back(x, y);
});
Loading::Listener* loadingListener = MWBase::Environment::get().getWindowManager()->getLoadingScreen();
Loading::ScopedLoad load(loadingListener);
loadingListener->setLabel("#{OMWEngine:LoadingExterior}");
loadingListener->setProgressRange(refsToLoad);
const auto getDistanceToPlayerCell = [&](const std::pair<int, int>& cellPosition) {
return std::abs(cellPosition.first - playerCellX) + std::abs(cellPosition.second - playerCellY);
};
const auto getCellPositionPriority = [&](const std::pair<int, int>& cellPosition) {
return std::make_pair(getDistanceToPlayerCell(cellPosition), getCellPositionDistanceToOrigin(cellPosition));
};
std::sort(cellsPositionsToLoad.begin(), cellsPositionsToLoad.end(),
[&](const std::pair<int, int>& lhs, const std::pair<int, int>& rhs) {
return getCellPositionPriority(lhs) < getCellPositionPriority(rhs);
});
sortCellsToLoad(playerCellX, playerCellY, cellsPositionsToLoad);
for (const auto& [x, y] : cellsPositionsToLoad)
{
@ -1136,7 +1139,7 @@ namespace MWWorld
{
try
{
preloadCell(mWorld.getWorldModel().getCell(door.getCellRef().getDestCell()));
preloadCellWithSurroundings(mWorld.getWorldModel().getCell(door.getCellRef().getDestCell()));
}
catch (std::exception&)
{
@ -1183,27 +1186,47 @@ namespace MWWorld
}
}
void Scene::preloadCell(CellStore& cell, bool preloadSurrounding)
void Scene::preloadCellWithSurroundings(CellStore& cell)
{
if (preloadSurrounding && cell.isExterior())
if (!cell.isExterior())
{
int x = cell.getCell()->getGridX();
int y = cell.getCell()->getGridY();
unsigned int numpreloaded = 0;
for (int dx = -mHalfGridSize; dx <= mHalfGridSize; ++dx)
{
for (int dy = -mHalfGridSize; dy <= mHalfGridSize; ++dy)
{
mPreloader->preload(mWorld.getWorldModel().getExterior(
ESM::ExteriorCellLocation(x + dx, y + dy, cell.getCell()->getWorldSpace())),
mRendering.getReferenceTime());
if (++numpreloaded >= mPreloader->getMaxCacheSize())
break;
}
}
}
else
mPreloader->preload(cell, mRendering.getReferenceTime());
return;
}
const int cellX = cell.getCell()->getGridX();
const int cellY = cell.getCell()->getGridY();
std::vector<std::pair<int, int>> cells;
const std::size_t gridSize = static_cast<std::size_t>(2 * mHalfGridSize + 1);
cells.reserve(gridSize * gridSize);
iterateOverCellsAround(cellX, cellY, mHalfGridSize, [&](int x, int y) { cells.emplace_back(x, y); });
sortCellsToLoad(cellX, cellY, cells);
const std::size_t leftCapacity = mPreloader->getMaxCacheSize() - mPreloader->getCacheSize();
if (cells.size() > leftCapacity)
{
static bool logged = [&] {
Log(Debug::Warning) << "Not enough cell preloader cache capacity to preload exterior cells, consider "
"increasing \"preload cell cache max\" up to "
<< (mPreloader->getCacheSize() + cells.size());
return true;
}();
(void)logged;
cells.resize(leftCapacity);
}
const ESM::RefId worldspace = cell.getCell()->getWorldSpace();
for (const auto& [x, y] : cells)
mPreloader->preload(mWorld.getWorldModel().getExterior(ESM::ExteriorCellLocation(x, y, worldspace)),
mRendering.getReferenceTime());
}
void Scene::preloadCell(CellStore& cell)
{
mPreloader->preload(cell, mRendering.getReferenceTime());
}
void Scene::preloadTerrain(const osg::Vec3f& pos, ESM::RefId worldspace, bool sync)
@ -1281,7 +1304,7 @@ namespace MWWorld
osg::Vec3f pos = dest.mPos.asVec3();
const ESM::ExteriorCellLocation cellIndex
= ESM::positionToExteriorCellLocation(pos.x(), pos.y(), extWorldspace);
preloadCell(mWorld.getWorldModel().getExterior(cellIndex), true);
preloadCellWithSurroundings(mWorld.getWorldModel().getExterior(cellIndex));
exteriorPositions.emplace_back(pos, gridCenterToBounds(getNewGridCenter(pos)));
}
}

3
apps/openmw/mwworld/scene.hpp
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@ -145,7 +145,8 @@ namespace MWWorld
~Scene();
void preloadCell(MWWorld::CellStore& cell, bool preloadSurrounding = false);
void preloadCellWithSurroundings(MWWorld::CellStore& cell);
void preloadCell(MWWorld::CellStore& cell);
void preloadTerrain(const osg::Vec3f& pos, ESM::RefId worldspace, bool sync = false);
void reloadTerrain();

2
apps/openmw/mwworld/worldimp.cpp
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@ -523,7 +523,7 @@ namespace MWWorld
if (getPlayerPtr().getCell()->isExterior())
mWorldScene->preloadTerrain(getPlayerPtr().getRefData().getPosition().asVec3(),
getPlayerPtr().getCell()->getCell()->getWorldSpace());
mWorldScene->preloadCell(*getPlayerPtr().getCell(), true);
mWorldScene->preloadCellWithSurroundings(*getPlayerPtr().getCell());
}
break;
default:

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