source/game/system.cpp

   1 #include "system.h"
   2
   3 using namespace std;
   4
   5 namespace Msp::Game {
   6
   7 thread_local System *System::active = nullptr;
   8
   9 void System::begin_tick()
  10 {
  11         if(active)
  12                 throw logic_error("System::active != nullptr");
  13         active = this;
  14
  15         for(const Dependency &d: dependencies)
  16         {
  17 #ifdef DEBUG
  18                 if(d.unblock)
  19                         d.unblock(d.flags);
  20 #endif
  21                 if(d.prepare)
  22                         d.prepare(stage);
  23         }
  24 }
  25
  26 void System::end_tick()
  27 {
  28         for(const Dependency &d: dependencies)
  29         {
  30                 if(d.commit)
  31                         d.commit(stage);
  32 #ifdef DEBUG
  33                 if(d.block)
  34                         d.block(d.flags);
  35 #endif
  36         }
  37
  38         if(active==this)
  39                 active = nullptr;
  40 }
  41
  42 void System::deferred_tick()
  43 {
  44         for(const auto &f: deferred_queue)
  45                 f();
  46         deferred_queue.clear();
  47 }
  48
  49 } // namespace Msp::Game