source/instancescene.cpp

   1 #include "object.h"
   2 #include "objectinstance.h"
   3 #include "instancescene.h"
   4 #include "renderer.h"
   5
   6 namespace Msp {
   7 namespace GL {
   8
   9 void InstanceScene::add(Renderable &r)
  10 {
  11         renderables[r.get_instance_key()].insert(&r);
  12 }
  13
  14 void InstanceScene::remove(Renderable &r)
  15 {
  16         InstanceMap::iterator i = renderables.find(r.get_instance_key());
  17         if(i!=renderables.end())
  18         {
  19                 i->second.erase(&r);
  20                 if(i->second.empty())
  21                         renderables.erase(i);
  22         }
  23 }
  24
  25 void InstanceScene::setup_frame(Renderer &renderer)
  26 {
  27         for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
  28                 for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
  29                         (*j)->setup_frame(renderer);
  30 }
  31
  32 void InstanceScene::finish_frame()
  33 {
  34         for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
  35                 for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
  36                         (*j)->finish_frame();
  37 }
  38
  39 void InstanceScene::render(Renderer &renderer, const Tag &tag) const
  40 {
  41         if(setup_frustum(renderer))
  42         {
  43                 for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
  44                         for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
  45                                 if(!frustum_cull(**j))
  46                                         renderer.render(**j, tag);
  47         }
  48         else
  49         {
  50                 for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
  51                         for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
  52                                 renderer.render(**j, tag);
  53         }
  54 }
  55
  56 } // namespace GL
  57 } // namespace Msp