1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-10-05 19:31:04 +00:00

Optimize getting active objects a bit. #8674

This commit is contained in:
Lars Hofhansl 2019-07-16 15:55:17 -07:00
parent 41229696be
commit 9fe3246154
3 changed files with 11 additions and 6 deletions

View file

@ -91,15 +91,16 @@ void ActiveObjectMgr::removeObject(u16 id)
void ActiveObjectMgr::getActiveObjects(const v3f &origin, f32 max_d,
std::vector<DistanceSortedActiveObject> &dest)
{
f32 max_d2 = max_d * max_d;
for (auto &ao_it : m_active_objects) {
ClientActiveObject *obj = ao_it.second;
f32 d = (obj->getPosition() - origin).getLength();
f32 d2 = (obj->getPosition() - origin).getLengthSQ();
if (d > max_d)
if (d2 > max_d2)
continue;
dest.emplace_back(obj, d);
dest.emplace_back(obj, d2);
}
}

View file

@ -90,10 +90,10 @@ private:
static std::unordered_map<u16, Factory> m_types;
};
struct DistanceSortedActiveObject
class DistanceSortedActiveObject
{
public:
ClientActiveObject *obj;
f32 d;
DistanceSortedActiveObject(ClientActiveObject *a_obj, f32 a_d)
{
@ -105,4 +105,7 @@ struct DistanceSortedActiveObject
{
return d < other.d;
}
private:
f32 d;
};