fly/flightgear
1
0
Fork 0
Code Activity

Use new SGPickCallback drag option

Browse source 
Patch from Colin Geniet, optimise performance of dragging on
most objects which don't need picked position for each drag.
This commit is contained in:
James Turner 2023-02-28 11:01:28 +00:00
parent 2401232969
commit 2342ad49b5
1 changed files with 9 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/Input/FGMouseInput.cxx
View file

@ -283,9 +283,9 @@ public:
return;
}
SGSceneryPicks pickList = globals->get_renderer()->pick(windowPos);
if(pickList.empty())
return;
// Do not compute scenery picks unless a callback requests it, as it is costly.
SGSceneryPicks pickList;
bool did_pick = false;
for( ActivePickCallbacks::iterator mi = activePickCallbacks.begin();
mi != activePickCallbacks.end();
@ -294,6 +294,12 @@ public:
SGPickCallbackList::iterator li;
for( li = mi->second.begin(); li != mi->second.end(); ++li )
{
if (!did_pick && (*li)->needsDragPosition())
{
pickList = globals->get_renderer()->pick(windowPos);
did_pick = true;
}
const SGSceneryPick* pick = getPick(pickList, *li);
(*li)->mouseMoved(*ea, pick ? &pick->info : 0);