X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Finstancescene.cpp;fp=source%2Finstancescene.cpp;h=e3e63767243a1a88ba1ea98655bb480b6ad4584b;hb=9addd3d476245415244e59333a36a8fc0eae42bf;hp=0000000000000000000000000000000000000000;hpb=6fa59eb26c39443eb44feecd17b7a8ea45411730;p=libs%2Fgl.git

diff --git a/source/instancescene.cpp b/source/instancescene.cpp
new file mode 100644
index 00000000..e3e63767
--- /dev/null
+++ b/source/instancescene.cpp
@@ -0,0 +1,49 @@
+/* $Id$
+
+This file is part of libmspgl
+Copyright © 2007-2008, 2010  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#include "object.h"
+#include "objectinstance.h"
+#include "instancescene.h"
+
+namespace Msp {
+namespace GL {
+
+void InstanceScene::add(const Renderable &r)
+{
+	if(const ObjectInstance *oi = dynamic_cast<const ObjectInstance *>(&r))
+		objects[&oi->get_object()].insert(oi);
+	else
+		renderables.insert(&r);
+}
+
+void InstanceScene::remove(const Renderable &r)
+{
+	if(const ObjectInstance *oi = dynamic_cast<const ObjectInstance *>(&r))
+	{
+		ObjectMap::iterator i = objects.find(&oi->get_object());
+		if(i!=objects.end())
+		{
+			i->second.erase(oi);
+			if(i->second.empty())
+				objects.erase(i);
+		}
+	}
+	else
+		renderables.erase(&r);
+}
+
+void InstanceScene::render(const Tag &tag) const
+{
+	for(ObjectMap::const_iterator i=objects.begin(); i!=objects.end(); ++i)
+		i->first->render(i->second.begin(), i->second.end(), tag);
+
+	for(RenderableSet::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+		(*i)->render(tag);
+}
+
+} // namespace GL
+} // namespace Msp