Rearrange soucre files into subdirectories

[libs/gl.git] / source / render / instancescene.cpp

diff --git a/source/render/instancescene.cpp b/source/render/instancescene.cpp
new file mode 100644 (file)
index 0000000..b533bae
--- /dev/null
+++ b/source/render/instancescene.cpp
@@ -0,0 +1,57 @@
+#include "object.h"
+#include "objectinstance.h"
+#include "instancescene.h"
+#include "renderer.h"
+
+namespace Msp {
+namespace GL {
+
+void InstanceScene::add(Renderable &r)
+{
+       renderables[r.get_instance_key()].insert(&r);
+}
+
+void InstanceScene::remove(Renderable &r)
+{
+       InstanceMap::iterator i = renderables.find(r.get_instance_key());
+       if(i!=renderables.end())
+       {
+               i->second.erase(&r);
+               if(i->second.empty())
+                       renderables.erase(i);
+       }
+}
+
+void InstanceScene::setup_frame(Renderer &renderer)
+{
+       for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+               for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
+                       (*j)->setup_frame(renderer);
+}
+
+void InstanceScene::finish_frame()
+{
+       for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+               for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
+                       (*j)->finish_frame();
+}
+
+void InstanceScene::render(Renderer &renderer, const Tag &tag) const
+{
+       if(setup_frustum(renderer))
+       {
+               for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+                       for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
+                               if(!frustum_cull(**j))
+                                       renderer.render(**j, tag);
+       }
+       else
+       {
+               for(InstanceMap::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+                       for(RenderableSet::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
+                               renderer.render(**j, tag);
+       }
+}
+
+} // namespace GL
+} // namespace Msp