Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CEmptySceneNode.cpp

@@ -0,0 +1,70 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#include "CEmptySceneNode.h"
+#include "ISceneManager.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! constructor
+CEmptySceneNode::CEmptySceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id)
+: ISceneNode(parent, mgr, id)
+{
+	#ifdef _DEBUG
+	setDebugName("CEmptySceneNode");
+	#endif
+
+	setAutomaticCulling(scene::EAC_OFF);
+}
+
+
+//! pre render event
+void CEmptySceneNode::OnRegisterSceneNode()
+{
+	if (IsVisible)
+		SceneManager->registerNodeForRendering(this);
+
+	ISceneNode::OnRegisterSceneNode();
+}
+
+
+//! render
+void CEmptySceneNode::render()
+{
+	// do nothing
+}
+
+
+//! returns the axis aligned bounding box of this node
+const core::aabbox3d<f32>& CEmptySceneNode::getBoundingBox() const
+{
+	return Box;
+}
+
+
+//! Creates a clone of this scene node and its children.
+ISceneNode* CEmptySceneNode::clone(ISceneNode* newParent, ISceneManager* newManager)
+{
+	if (!newParent)
+		newParent = Parent;
+	if (!newManager)
+		newManager = SceneManager;
+
+	CEmptySceneNode* nb = new CEmptySceneNode(newParent,
+		newManager, ID);
+
+	nb->cloneMembers(this, newManager);
+	nb->Box = Box;
+
+	if ( newParent )
+		nb->drop();
+	return nb;
+}
+
+
+} // end namespace scene
+} // end namespace irr