Avoid warning and make local variable lower-case.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IOctreeSceneNode.h

@@ -0,0 +1,83 @@
+// 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_OCTREE_SCENE_NODE_H_INCLUDED__
+#define __I_OCTREE_SCENE_NODE_H_INCLUDED__
+
+#include "IMeshSceneNode.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! Settings if/how octree scene nodes are using hardware mesh-buffers
+/** VBO = Vertex buffer object = meshbuffers bound on the graphic-card instead of uploaded each frame.
+	It can not be generally said which mode is optimal for drawing as this depends
+	on the scene. So you have to try and experiment for your meshes which one works best.
+*/
+enum EOCTREENODE_VBO
+{
+	//! No VBO's used. Vertices+indices send to graphic-card on each render.
+	EOV_NO_VBO,
+
+	//! VBO's used. Draw the complete meshbuffers if any polygon in it is visible.
+	//! This allows VBO's for the meshbuffers to be completely static, but basically means
+	//! the octree is not used as an octree (not it still does do all the octree calculations)
+	//! Might work in very specific cases, but if this is gives you the best fastest results
+	//! you should probably compare as well to simply using a static mesh with no octree at all.
+	//! In most cases the other 2 options should work better with an octree.
+	EOV_USE_VBO,
+
+	//! VBO's used. The index-buffer information is updated each frame
+	//! with only the visible parts of a tree-node.
+	//! So the vertex-buffer is static and the index-buffer is dynamic.
+	//! This is the default
+	EOV_USE_VBO_WITH_VISIBITLY
+};
+
+//! Kind of checks polygons of the octree scene nodes use against camera
+enum EOCTREE_POLYGON_CHECKS
+{
+	//! Check against box of the camera frustum
+	//! This is the default
+	EOPC_BOX,
+
+	//! against the camera frustum
+	EOPC_FRUSTUM
+
+};
+
+//! A scene node displaying a static mesh
+class IOctreeSceneNode : public irr::scene::IMeshSceneNode
+{
+public:
+
+	//! Constructor
+	/** Use setMesh() to set the mesh to display.
+	*/
+	IOctreeSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
+			const core::vector3df& position = core::vector3df(0,0,0),
+			const core::vector3df& rotation = core::vector3df(0,0,0),
+			const core::vector3df& scale = core::vector3df(1,1,1))
+		: IMeshSceneNode(parent, mgr, id, position, rotation, scale) {}
+
+	//! Get if/how vertex buffer object are used for the meshbuffers
+	// NOTE: Will currently _always_ return EOV_NO_VBO.
+	// Octree's with VBO's don't work yet correctly.
+	virtual EOCTREENODE_VBO getUseVBO() const = 0;
+
+	//! Set the kind of tests polygons do for visibility against the camera
+	virtual void setPolygonChecks(EOCTREE_POLYGON_CHECKS checks)  = 0;
+
+	//! Get the kind of tests polygons do for visibility against the camera
+	virtual EOCTREE_POLYGON_CHECKS getPolygonChecks() const = 0;
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif
+