3 #include <msp/time/utils.h>
11 event_source(event_bus)
14 Stage &Director::create_stage()
16 stages.emplace_back(std::make_unique<Stage>());
17 event_source.emit<Events::StageCreated>(std::ref(*stages.back()));
18 return *stages.back();
21 void Director::activate_stage(Stage &s)
24 event_source.emit<Events::StageDeactivated>(std::ref(s));
26 event_source.emit<Events::StageActivated>(std::ref(s));
31 Time::TimeStamp now = Time::now();
32 Time::TimeDelta dt = (last_tick ? now-last_tick : Time::zero);
35 backlog = min(backlog+dt, stepsize*max_backlog_steps);
36 for(unsigned i=0; (i<max_steps_per_frame && backlog>=stepsize); ++i, backlog-=stepsize)
37 for(const auto &s: stages)
41 } // namespace Msp::Game