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

include/IDummyTransformationSceneNode.h

@@ -0,0 +1,42 @@
+// 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
+
+#ifndef __I_DUMMY_TRANSFORMATION_SCENE_NODE_H_INCLUDED__
+#define __I_DUMMY_TRANSFORMATION_SCENE_NODE_H_INCLUDED__
+
+#include "ISceneNode.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! Dummy scene node for adding additional transformations to the scene graph.
+/** This scene node does not render itself, and does not respond to set/getPosition,
+set/getRotation and set/getScale. Its just a simple scene node that takes a
+matrix as relative transformation, making it possible to insert any transformation
+anywhere into the scene graph.
+This scene node is for example used by the IAnimatedMeshSceneNode for emulating
+joint scene nodes when playing skeletal animations.
+*/
+class IDummyTransformationSceneNode : public ISceneNode
+{
+public:
+
+	//! Constructor
+	IDummyTransformationSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id)
+		: ISceneNode(parent, mgr, id) {}
+
+	//! Returns a reference to the current relative transformation matrix.
+	/** This is the matrix, this scene node uses instead of scale, translation
+	and rotation. */
+	virtual core::matrix4& getRelativeTransformationMatrix() = 0;
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif
+