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Make ClearCacheFunctor a class and rename to clarify the purpose

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elsid 2024-04-20 01:51:39 +02:00
parent 79435bb9f2
commit 33ef7fc8ca
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GPG Key ID: 4DE04C198CBA7625
1 changed files with 52 additions and 40 deletions
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92
apps/openmw/mwrender/objectpaging.cpp
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@ -875,35 +875,54 @@ namespace MWRender
return Mask_Static;
}
struct ClearCacheFunctor
namespace
{
void operator()(MWRender::ChunkId id, osg::Object* obj)
class CollectIntersecting
{
if (intersects(id, mPosition))
mToClear.insert(id);
}
bool intersects(ChunkId id, osg::Vec3f pos)
{
if (mActiveGridOnly && !std::get<2>(id))
return false;
pos /= getCellSize(mWorldspace);
clampToCell(pos);
osg::Vec2f center = std::get<0>(id);
float halfSize = std::get<1>(id) / 2;
return pos.x() >= center.x() - halfSize && pos.y() >= center.y() - halfSize
&& pos.x() <= center.x() + halfSize && pos.y() <= center.y() + halfSize;
}
void clampToCell(osg::Vec3f& cellPos)
{
cellPos.x() = std::clamp<float>(cellPos.x(), mCell.x(), mCell.x() + 1);
cellPos.y() = std::clamp<float>(cellPos.y(), mCell.y(), mCell.y() + 1);
}
osg::Vec3f mPosition;
osg::Vec2i mCell;
ESM::RefId mWorldspace;
std::set<MWRender::ChunkId> mToClear;
bool mActiveGridOnly = false;
};
public:
explicit CollectIntersecting(
bool activeGridOnly, const osg::Vec3f& position, const osg::Vec2i& cell, ESM::RefId worldspace)
: mActiveGridOnly(activeGridOnly)
, mPosition(position)
, mCell(cell)
, mWorldspace(worldspace)
{
}
void operator()(const ChunkId& id, osg::Object* /*obj*/)
{
if (mActiveGridOnly && !std::get<2>(id))
return;
if (intersects(id, mPosition))
mCollected.insert(id);
}
const std::set<ChunkId>& getCollected() const { return mCollected; }
private:
bool intersects(ChunkId id, osg::Vec3f pos) const
{
pos /= getCellSize(mWorldspace);
clampToCell(pos);
osg::Vec2f center = std::get<0>(id);
float halfSize = std::get<1>(id) / 2;
return pos.x() >= center.x() - halfSize && pos.y() >= center.y() - halfSize
&& pos.x() <= center.x() + halfSize && pos.y() <= center.y() + halfSize;
}
void clampToCell(osg::Vec3f& cellPos) const
{
cellPos.x() = std::clamp<float>(cellPos.x(), mCell.x(), mCell.x() + 1);
cellPos.y() = std::clamp<float>(cellPos.y(), mCell.y(), mCell.y() + 1);
}
bool mActiveGridOnly;
osg::Vec3f mPosition;
osg::Vec2i mCell;
ESM::RefId mWorldspace;
std::set<ChunkId> mCollected;
};
}
bool ObjectPaging::enableObject(
int type, ESM::RefNum refnum, const osg::Vec3f& pos, const osg::Vec2i& cell, bool enabled)
@ -921,14 +940,11 @@ namespace MWRender
return false;
}
ClearCacheFunctor ccf;
ccf.mPosition = pos;
ccf.mCell = cell;
ccf.mWorldspace = mWorldspace;
CollectIntersecting ccf(false, pos, cell, mWorldspace);
mCache->call(ccf);
if (ccf.mToClear.empty())
if (ccf.getCollected().empty())
return false;
for (const auto& chunk : ccf.mToClear)
for (const ChunkId& chunk : ccf.getCollected())
mCache->removeFromObjectCache(chunk);
return true;
}
@ -946,15 +962,11 @@ namespace MWRender
return false;
}
ClearCacheFunctor ccf;
ccf.mPosition = pos;
ccf.mCell = cell;
ccf.mActiveGridOnly = true;
ccf.mWorldspace = mWorldspace;
CollectIntersecting ccf(true, pos, cell, mWorldspace);
mCache->call(ccf);
if (ccf.mToClear.empty())
if (ccf.getCollected().empty())
return false;
for (const auto& chunk : ccf.mToClear)
for (const ChunkId& chunk : ccf.getCollected())
mCache->removeFromObjectCache(chunk);
return true;
}