Store Renderables as non-const pointers or references

[libs/gl.git] / source / simplescene.cpp

diff --git a/source/simplescene.cpp b/source/simplescene.cpp
index e7ffc63841d02cb8110cdd9b9e93e7be53e4d821..137873dad8808b99a0717b31721e4fb67db5b1f5 100644 (file)
--- a/source/simplescene.cpp
+++ b/source/simplescene.cpp
@@ -1,22 +1,58 @@
+#include "renderer.h"
 #include "simplescene.h"
 
 namespace Msp {
 namespace GL {
 
-void SimpleScene::add(const Renderable &r)
+void SimpleScene::add(Renderable &r)
 {
-       renderables.insert(&r);
+       // Add to cache as well if the cache is valid
+       if(renderables.insert(&r).second && !cache.empty())
+               cache.push_back(&r);
 }
 
-void SimpleScene::remove(const Renderable &r)
+void SimpleScene::remove(Renderable &r)
 {
        renderables.erase(&r);
+       cache.clear();
+}
+
+void SimpleScene::populate_cache() const
+{
+       if(cache.empty() && !renderables.empty())
+       {
+               cache.reserve(renderables.size());
+               cache.insert(cache.end(), renderables.begin(), renderables.end());
+       }
+}
+
+void SimpleScene::setup_frame() const
+{
+       populate_cache();
+       for(RenderableArray::const_iterator i=cache.begin(); i!=cache.end(); ++i)
+               (*i)->setup_frame();
+}
+
+void SimpleScene::finish_frame() const
+{
+       for(RenderableArray::const_iterator i=cache.begin(); i!=cache.end(); ++i)
+               (*i)->finish_frame();
 }
 
 void SimpleScene::render(Renderer &renderer, const Tag &tag) const
 {
-       for(RenderableSet::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
-               (*i)->render(renderer, tag);
+       populate_cache();
+       if(setup_frustum(renderer))
+       {
+               for(RenderableArray::const_iterator i=cache.begin(); i!=cache.end(); ++i)
+                       if(!frustum_cull(**i))
+                               renderer.render(**i, tag);
+       }
+       else
+       {
+               for(RenderableArray::const_iterator i=cache.begin(); i!=cache.end(); ++i)
+                       renderer.render(**i, tag);
+       }
 }
 
 } // namespace GL