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// Copyright (C) 2002-2011 Nikolaus Gebhardt

// This file is part of the "Irrlicht Engine".

// For conditions of distribution and use, see copyright notice in irrlicht.h


#ifndef __I_SCENE_NODE_H_INCLUDED__
#define __I_SCENE_NODE_H_INCLUDED__

#include "IAttributeExchangingObject.h"
#include "ESceneNodeTypes.h"
#include "ECullingTypes.h"
#include "EDebugSceneTypes.h"
#include "ISceneNodeAnimator.h"
#include "ITriangleSelector.h"
#include "SMaterial.h"
#include "irrString.h"
#include "aabbox3d.h"
#include "matrix4.h"
#include "irrList.h"
#include "IAttributes.h"

namespace irr
{
namespace scene
{
	class ISceneManager;

	//! Typedef for list of scene nodes

	typedef core::list<ISceneNode*> ISceneNodeList;
	//! Typedef for list of scene node animators

	typedef core::list<ISceneNodeAnimator*> ISceneNodeAnimatorList;

	//! Scene node interface.

	/** A scene node is a node in the hierarchical scene graph. Every scene
	node may have children, which are also scene nodes. Children move
	relative to their parent's position. If the parent of a node is not
	visible, its children won't be visible either. In this way, it is for
	example easily possible to attach a light to a moving car, or to place
	a walking character on a moving platform on a moving ship.
	*/
	class ISceneNode : virtual public io::IAttributeExchangingObject
	{
	public:

		//! Constructor

		ISceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id=-1,
				const core::vector3df& position = core::vector3df(0,0,0),
				const core::vector3df& rotation = core::vector3df(0,0,0),
				const core::vector3df& scale = core::vector3df(1.0f, 1.0f, 1.0f))
			: RelativeTranslation(position), RelativeRotation(rotation), RelativeScale(scale),
				Parent(0), SceneManager(mgr), TriangleSelector(0), ID(id),
				AutomaticCullingState(/*! -- AIP --- */EAC_FRUSTUM_BOX), DebugDataVisible(EDS_OFF),
				IsVisible(true), IsDebugObject(false)
		{
			if (parent)
				parent->addChild(this);

			updateAbsolutePosition();
		}


		//! Destructor

		virtual ~ISceneNode()
		{
			// delete all children

			removeAll();

			// delete all animators

			ISceneNodeAnimatorList::Iterator ait = Animators.begin();
			for (; ait != Animators.end(); ++ait)
				(*ait)->drop();

			if (TriangleSelector)
				TriangleSelector->drop();
		}


		//! This method is called just before the rendering process of the whole scene.

		/** Nodes may register themselves in the render pipeline during this call,
		precalculate the geometry which should be renderered, and prevent their
		children from being able to register themselves if they are clipped by simply
		not calling their OnRegisterSceneNode method.
		If you are implementing your own scene node, you should overwrite this method
		with an implementation code looking like this:
		\code
		if (IsVisible)
			SceneManager->registerNodeForRendering(this);

		ISceneNode::OnRegisterSceneNode();
		\endcode
		*/
		virtual void OnRegisterSceneNode()
		{
			if (IsVisible)
			{
				ISceneNodeList::Iterator it = Children.begin();
				for (; it != Children.end(); ++it)
					(*it)->OnRegisterSceneNode();
			}
		}


		//! OnAnimate() is called just before rendering the whole scene.

		/** Nodes may calculate or store animations here, and may do other useful things,
		depending on what they are. Also, OnAnimate() should be called for all
		child scene nodes here. This method will be called once per frame, independent
		of whether the scene node is visible or not.
		\param timeMs Current time in milliseconds. */
		virtual void OnAnimate(u32 timeMs)
		{
			if (IsVisible)
			{
				// animate this node with all animators


				ISceneNodeAnimatorList::Iterator ait = Animators.begin();
				while (ait != Animators.end())
					{
					// continue to the next node before calling animateNode()

					// so that the animator may remove itself from the scene

					// node without the iterator becoming invalid

					ISceneNodeAnimator* anim = *ait;
					++ait;
					anim->animateNode(this, timeMs);
				}

				// update absolute position

				updateAbsolutePosition();

				// perform the post render process on all children


				ISceneNodeList::Iterator it = Children.begin();
				for (; it != Children.end(); ++it)
					(*it)->OnAnimate(timeMs);
			}
		}


		//! Renders the node.

		virtual void render() = 0;


		//! Returns the name of the node.

		/** \return Name as character string. */
		virtual const c8* getName() const
		{
			return Name.c_str();
		}


		//! Sets the name of the node.

		/** \param name New name of the scene node. */
		virtual void setName(const c8* name)
		{
			Name = name;
		}


		//! Sets the name of the node.

		/** \param name New name of the scene node. */
		virtual void setName(const core::stringc& name)
		{
			Name = name;
		}


		//! Get the axis aligned, not transformed bounding box of this node.

		/** This means that if this node is an animated 3d character,
		moving in a room, the bounding box will always be around the
		origin. To get the box in real world coordinates, just
		transform it with the matrix you receive with
		getAbsoluteTransformation() or simply use
		getTransformedBoundingBox(), which does the same.
		\return The non-transformed bounding box. */
		virtual const core::aabbox3d<f32>& getBoundingBox() const = 0;


		//! Get the axis aligned, transformed and animated absolute bounding box of this node.

		/** \return The transformed bounding box. */
		virtual const core::aabbox3d<f32> getTransformedBoundingBox() const
		{
			core::aabbox3d<f32> box = getBoundingBox();
			AbsoluteTransformation.transformBoxEx(box);
			return box;
		}


		//! Get the absolute transformation of the node. Is recalculated every OnAnimate()-call.

		//! \return The absolute transformation matrix.

		virtual const core::matrix4& getAbsoluteTransformation() const
		{
			return AbsoluteTransformation;
		}


		//! Returns the relative transformation of the scene node.

		/** The relative transformation is stored internally as 3
		vectors: translation, rotation and scale. To get the relative
		transformation matrix, it is calculated from these values.
		\return The relative transformation matrix. */
		virtual core::matrix4 getRelativeTransformation() const
		{
			core::matrix4 mat;
			mat.setRotationDegrees(RelativeRotation);
			mat.setTranslation(RelativeTranslation);

			if (RelativeScale != core::vector3df(1.f,1.f,1.f))
			{
				core::matrix4 smat;
				smat.setScale(RelativeScale);
				mat *= smat;
			}

			return mat;
		}



		//! Returns whether the node should be visible (if all of its parents are visible).

		/** This is only an option set by the user, but has nothing to
		do with geometry culling
		\return The requested visibility of the node, true means
		visible (if all parents are also visible). */
		virtual bool isVisible() const
		{
			_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
			return IsVisible;
		}

		//! Check whether the node is truly visible, taking into accounts its parents' visibility

		/** \return true if the node and all its parents are visible,
		false if this or any parent node is invisible. */
		virtual bool isTrulyVisible() const
		{
			_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
			if(!IsVisible)
				return false;

			if(!Parent)
				return true;

			return Parent->isTrulyVisible();
		}

		//! Sets if the node should be visible or not.

		/** All children of this node won't be visible either, when set
		to false. Invisible nodes are not valid candidates for selection by
		collision manager bounding box methods.
		\param isVisible If the node shall be visible. */
		virtual void setVisible(bool isVisible)
		{
			IsVisible = isVisible;
		}


		//! Get the id of the scene node.

		/** This id can be used to identify the node.
		\return The id. */
		virtual s32 getID() const
		{
			return ID;
		}


		//! Sets the id of the scene node.

		/** This id can be used to identify the node.
		\param id The new id. */
		virtual void setID(s32 id)
		{
			ID = id;
		}


		//! Adds a child to this scene node.

		/** If the scene node already has a parent it is first removed
		from the other parent.
		\param child A pointer to the new child. */
		virtual void addChild(ISceneNode* child)
		{
			if (child && (child != this))
			{
				// Change scene manager?

				if (SceneManager != child->SceneManager)
					child->setSceneManager(SceneManager);

				child->grab();
				child->remove(); // remove from old parent

				Children.push_back(child);
				child->Parent = this;
			}
		}


		//! Removes a child from this scene node.

		/** If found in the children list, the child pointer is also
		dropped and might be deleted if no other grab exists.
		\param child A pointer to the child which shall be removed.
		\return True if the child was removed, and false if not,
		e.g. because it couldn't be found in the children list. */
		virtual bool removeChild(ISceneNode* child)
		{
			ISceneNodeList::Iterator it = Children.begin();
			for (; it != Children.end(); ++it)
				if ((*it) == child)
				{
					(*it)->Parent = 0;
					(*it)->drop();
					Children.erase(it);
					return true;
				}

			_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
			return false;
		}


		//! Removes all children of this scene node

		/** The scene nodes found in the children list are also dropped
		and might be deleted if no other grab exists on them.
		*/
		virtual void removeAll()
		{
			ISceneNodeList::Iterator it = Children.begin();
			for (; it != Children.end(); ++it)
			{
				(*it)->Parent = 0;
				(*it)->drop();
			}

			Children.clear();
		}


		//! Removes this scene node from the scene

		/** If no other grab exists for this node, it will be deleted.
		*/
		virtual void remove()
		{
			if (Parent)
				Parent->removeChild(this);
		}


		//! Adds an animator which should animate this node.

		/** \param animator A pointer to the new animator. */
		virtual void addAnimator(ISceneNodeAnimator* animator)
		{
			if (animator)
			{
				Animators.push_back(animator);
				animator->grab();
			}
		}


		//! Get a list of all scene node animators.

		/** \return The list of animators attached to this node. */
		const core::list<ISceneNodeAnimator*>& getAnimators() const
		{
			return Animators;
		}


		//! Removes an animator from this scene node.

		/** If the animator is found, it is also dropped and might be
		deleted if not other grab exists for it.
		\param animator A pointer to the animator to be deleted. */
		virtual void removeAnimator(ISceneNodeAnimator* animator)
		{
			ISceneNodeAnimatorList::Iterator it = Animators.begin();
			for (; it != Animators.end(); ++it)
			{
				if ((*it) == animator)
				{
					(*it)->drop();
					Animators.erase(it);
					return;
				}
			}
		}


		//! Removes all animators from this scene node.

		/** The animators might also be deleted if no other grab exists
		for them. */
		virtual void removeAnimators()
		{
			ISceneNodeAnimatorList::Iterator it = Animators.begin();
			for (; it != Animators.end(); ++it)
				(*it)->drop();

			Animators.clear();
		}


		//! Returns the material based on the zero based index i.

		/** To get the amount of materials used by this scene node, use
		getMaterialCount(). This function is needed for inserting the
		node into the scene hierarchy at an optimal position for
		minimizing renderstate changes, but can also be used to
		directly modify the material of a scene node.
		\param num Zero based index. The maximal value is getMaterialCount() - 1.
		\return The material at that index. */
		virtual video::SMaterial& getMaterial(u32 num)
		{
			return video::IdentityMaterial;
		}


		//! Get amount of materials used by this scene node.

		/** \return Current amount of materials of this scene node. */
		virtual u32 getMaterialCount() const
		{
			return 0;
		}


		//! Sets all material flags at once to a new value.

		/** Useful, for example, if you want the whole mesh to be
		affected by light.
		\param flag Which flag of all materials to be set.
		\param newvalue New value of that flag. */
		void setMaterialFlag(video::E_MATERIAL_FLAG flag, bool newvalue)
		{
			for (u32 i=0; i<getMaterialCount(); ++i)
				getMaterial(i).setFlag(flag, newvalue);
		}


		//! Sets the texture of the specified layer in all materials of this scene node to the new texture.

		/** \param textureLayer Layer of texture to be set. Must be a
		value smaller than MATERIAL_MAX_TEXTURES.
		\param texture New texture to be used. */
		void setMaterialTexture(u32 textureLayer, video::ITexture* texture)
		{
			if (textureLayer >= video::MATERIAL_MAX_TEXTURES)
				return;

			for (u32 i=0; i<getMaterialCount(); ++i)
				getMaterial(i).setTexture(textureLayer, texture);
		}


		//! Sets the material type of all materials in this scene node to a new material type.

		/** \param newType New type of material to be set. */
		void setMaterialType(video::E_MATERIAL_TYPE newType)
		{
			for (u32 i=0; i<getMaterialCount(); ++i)
				getMaterial(i).MaterialType = newType;
		}


		//! Gets the scale of the scene node relative to its parent.

		/** This is the scale of this node relative to its parent.
		If you want the absolute scale, use
		getAbsoluteTransformation().getScale()
		\return The scale of the scene node. */
		virtual const core::vector3df& getScale() const
		{
			return RelativeScale;
		}


		//! Sets the relative scale of the scene node.

		/** \param scale New scale of the node, relative to its parent. */
		virtual void setScale(const core::vector3df& scale)
		{
			RelativeScale = scale;
		}


		//! Gets the rotation of the node relative to its parent.

		/** Note that this is the relative rotation of the node.
		If you want the absolute rotation, use
		getAbsoluteTransformation().getRotation()
		\return Current relative rotation of the scene node. */
		virtual const core::vector3df& getRotation() const
		{
			return RelativeRotation;
		}


		//! Sets the rotation of the node relative to its parent.

		/** This only modifies the relative rotation of the node.
		\param rotation New rotation of the node in degrees. */
		virtual void setRotation(const core::vector3df& rotation)
		{
			RelativeRotation = rotation;
		}


		//! Gets the position of the node relative to its parent.

		/** Note that the position is relative to the parent. If you want
		the position in world coordinates, use getAbsolutePosition() instead.
		\return The current position of the node relative to the parent. */
		virtual const core::vector3df& getPosition() const
		{
			return RelativeTranslation;
		}

/*! -- AIP --- start */
		//! Move the node, use the rotate value for set the direction movement. 

		virtual void setMove(core::vector3df& dir)
		{	dir.Y = -dir.Y;
			core::matrix4 new_mat;

			new_mat.setRotationDegrees( RelativeRotation );
			new_mat.transformVect( dir );
			core::vector3df pos = RelativeTranslation;

			pos = pos + dir;
			setPosition( pos );
		}

		//! set translation to the node. 

		virtual void setTranslation( const core::vector3df& tanslate)
		{
			core::vector3df pos = RelativeTranslation;
			pos = pos + tanslate;
			setPosition( pos);
		}

		//! set relative rotation to the node. 

		virtual void setTurn( const core::vector3df& turn)
		{
			core::vector3df rot = getRotation();
			rot = rot + turn;
			setRotation(  rot );
		}
/*! -- AIP --- end*/


		//! Sets the position of the node relative to its parent.

		/** Note that the position is relative to the parent.
		\param newpos New relative position of the scene node. */
		virtual void setPosition(const core::vector3df& newpos)
		{
			RelativeTranslation = newpos;
		}


		//! Gets the absolute position of the node in world coordinates.

		/** If you want the position of the node relative to its parent,
		use getPosition() instead.
		\return The current absolute position of the scene node. */
		virtual core::vector3df getAbsolutePosition() const
		{
			return AbsoluteTransformation.getTranslation();
		}


		//! Enables or disables automatic culling based on the bounding box.

		/** Automatic culling is enabled by default. Note that not
		all SceneNodes support culling and that some nodes always cull
		their geometry because it is their only reason for existence,
		for example the OctreeSceneNode.
		\param state The culling state to be used. */
		void setAutomaticCulling( u32 state)
		{
			AutomaticCullingState = state;
		}


		//! Gets the automatic culling state.

		/** \return The automatic culling state. */
		u32 getAutomaticCulling() const
		{
			return AutomaticCullingState;
		}


		//! Sets if debug data like bounding boxes should be drawn.

		/** A bitwise OR of the types from @ref irr::scene::E_DEBUG_SCENE_TYPE.
		Please note that not all scene nodes support all debug data types.
		\param state The debug data visibility state to be used. */
		virtual void setDebugDataVisible(s32 state)
		{
			DebugDataVisible = state;
		}

		//! Returns if debug data like bounding boxes are drawn.

		/** \return A bitwise OR of the debug data values from
		@ref irr::scene::E_DEBUG_SCENE_TYPE that are currently visible. */
		s32 isDebugDataVisible() const
		{
			return DebugDataVisible;
		}


		//! Sets if this scene node is a debug object.

		/** Debug objects have some special properties, for example they can be easily
		excluded from collision detection or from serialization, etc. */
		void setIsDebugObject(bool debugObject)
		{
			IsDebugObject = debugObject;
		}


		//! Returns if this scene node is a debug object.

		/** Debug objects have some special properties, for example they can be easily
		excluded from collision detection or from serialization, etc.
		\return If this node is a debug object, true is returned. */
		bool isDebugObject() const
		{
			_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
			return IsDebugObject;
		}


		//! Returns a const reference to the list of all children.

		/** \return The list of all children of this node. */
		const core::list<ISceneNode*>& getChildren() const
		{
			return Children;
		}


		//! Changes the parent of the scene node.

		/** \param newParent The new parent to be used. */
		virtual void setParent(ISceneNode* newParent)
		{
			grab();
			remove();

			Parent = newParent;

			if (Parent)
				Parent->addChild(this);

			drop();
		}


		//! Returns the triangle selector attached to this scene node.

		/** The Selector can be used by the engine for doing collision
		detection. You can create a TriangleSelector with
		ISceneManager::createTriangleSelector() or
		ISceneManager::createOctreeTriangleSelector and set it with
		ISceneNode::setTriangleSelector(). If a scene node got no triangle
		selector, but collision tests should be done with it, a triangle
		selector is created using the bounding box of the scene node.
		\return A pointer to the TriangleSelector or 0, if there
		is none. */
		virtual ITriangleSelector* getTriangleSelector() const
		{
			return TriangleSelector;
		}


		//! Sets the triangle selector of the scene node.

		/** The Selector can be used by the engine for doing collision
		detection. You can create a TriangleSelector with
		ISceneManager::createTriangleSelector() or
		ISceneManager::createOctreeTriangleSelector(). Some nodes may
		create their own selector by default, so it would be good to
		check if there is already a selector in this node by calling
		ISceneNode::getTriangleSelector().
		\param selector New triangle selector for this scene node. */
		virtual void setTriangleSelector(ITriangleSelector* selector)
		{
			if (TriangleSelector != selector)
			{
				if (TriangleSelector)
					TriangleSelector->drop();

				TriangleSelector = selector;
				if (TriangleSelector)
					TriangleSelector->grab();
			}
		}


		//! Updates the absolute position based on the relative and the parents position

		/** Note: This does not recursively update the parents absolute positions, so if you have a deeper
			hierarchy you might want to update the parents first.*/
		virtual void updateAbsolutePosition()
		{
			if (Parent)
			{
				AbsoluteTransformation =
					Parent->getAbsoluteTransformation() * getRelativeTransformation();
			}
			else
				AbsoluteTransformation = getRelativeTransformation();
		}


		//! Returns the parent of this scene node

		/** \return A pointer to the parent. */
		scene::ISceneNode* getParent() const
		{
			return Parent;
		}


		//! Returns type of the scene node

		/** \return The type of this node. */
		virtual ESCENE_NODE_TYPE getType() const
		{
			return ESNT_UNKNOWN;
		}


		//! Writes attributes of the scene node.

		/** Implement this to expose the attributes of your scene node
		for scripting languages, editors, debuggers or xml
		serialization purposes.
		\param out The attribute container to write into.
		\param options Additional options which might influence the
		serialization. */
		virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
		{
			if (!out)
				return;
			out->addString	("Name", Name.c_str());
			out->addInt	("Id", ID );

			out->addVector3d("Position", getPosition() );
			out->addVector3d("Rotation", getRotation() );
			out->addVector3d("Scale", getScale() );

			out->addBool	("Visible", IsVisible );
			out->addInt	("AutomaticCulling", AutomaticCullingState);
			out->addInt	("DebugDataVisible", DebugDataVisible );
			out->addBool	("IsDebugObject", IsDebugObject );
		}


		//! Reads attributes of the scene node.

		/** Implement this to set the attributes of your scene node for
		scripting languages, editors, debuggers or xml deserialization
		purposes.
		\param in The attribute container to read from.
		\param options Additional options which might influence the
		deserialization. */
		virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
		{
			if (!in)
				return;
			Name = in->getAttributeAsString("Name");
			ID = in->getAttributeAsInt("Id");

			setPosition(in->getAttributeAsVector3d("Position"));
			setRotation(in->getAttributeAsVector3d("Rotation"));
			setScale(in->getAttributeAsVector3d("Scale"));

			IsVisible = in->getAttributeAsBool("Visible");
			s32 tmpState = in->getAttributeAsEnumeration("AutomaticCulling",
					scene::AutomaticCullingNames);
			if (tmpState != -1)
				AutomaticCullingState = (u32)tmpState;
			else
				AutomaticCullingState = in->getAttributeAsInt("AutomaticCulling");

			DebugDataVisible = in->getAttributeAsInt("DebugDataVisible");
			IsDebugObject = in->getAttributeAsBool("IsDebugObject");

			updateAbsolutePosition();
		}

		//! Creates a clone of this scene node and its children.

		/** \param newParent An optional new parent.
		\param newManager An optional new scene manager.
		\return The newly created clone of this node. */
		virtual ISceneNode* clone(ISceneNode* newParent=0, ISceneManager* newManager=0)
		{
			return 0; // to be implemented by derived classes

		}

		//! Retrieve the scene manager for this node.

		/** \return The node's scene manager. */
		virtual ISceneManager* getSceneManager(void) const { return SceneManager; }

	protected:

		//! A clone function for the ISceneNode members.

		/** This method can be used by clone() implementations of
		derived classes
		\param toCopyFrom The node from which the values are copied
		\param newManager The new scene manager. */
		void cloneMembers(ISceneNode* toCopyFrom, ISceneManager* newManager)
		{
			Name = toCopyFrom->Name;
			AbsoluteTransformation = toCopyFrom->AbsoluteTransformation;
			RelativeTranslation = toCopyFrom->RelativeTranslation;
			RelativeRotation = toCopyFrom->RelativeRotation;
			RelativeScale = toCopyFrom->RelativeScale;
			ID = toCopyFrom->ID;
			setTriangleSelector(toCopyFrom->TriangleSelector);
			AutomaticCullingState = toCopyFrom->AutomaticCullingState;
			DebugDataVisible = toCopyFrom->DebugDataVisible;
			IsVisible = toCopyFrom->IsVisible;
			IsDebugObject = toCopyFrom->IsDebugObject;

			if (newManager)
				SceneManager = newManager;
			else
				SceneManager = toCopyFrom->SceneManager;

			// clone children


			ISceneNodeList::Iterator it = toCopyFrom->Children.begin();
			for (; it != toCopyFrom->Children.end(); ++it)
				(*it)->clone(this, newManager);

			// clone animators


			ISceneNodeAnimatorList::Iterator ait = toCopyFrom->Animators.begin();
			for (; ait != toCopyFrom->Animators.end(); ++ait)
			{
				ISceneNodeAnimator* anim = (*ait)->createClone(this, SceneManager);
				if (anim)
				{
					addAnimator(anim);
					anim->drop();
				}
			}
		}

		//! Sets the new scene manager for this node and all children.

		//! Called by addChild when moving nodes between scene managers

		void setSceneManager(ISceneManager* newManager)
		{
			SceneManager = newManager;

			ISceneNodeList::Iterator it = Children.begin();
			for (; it != Children.end(); ++it)
				(*it)->setSceneManager(newManager);
		}

		//! Name of the scene node.

		core::stringc Name;

		//! Absolute transformation of the node.

		core::matrix4 AbsoluteTransformation;

		//! Relative translation of the scene node.

		core::vector3df RelativeTranslation;

		//! Relative rotation of the scene node.

		core::vector3df RelativeRotation;

		//! Relative scale of the scene node.

		core::vector3df RelativeScale;

		//! Pointer to the parent

		ISceneNode* Parent;

		//! List of all children of this node

		core::list<ISceneNode*> Children;

		//! List of all animator nodes

		core::list<ISceneNodeAnimator*> Animators;

		//! Pointer to the scene manager

		ISceneManager* SceneManager;

		//! Pointer to the triangle selector

		ITriangleSelector* TriangleSelector;

		//! ID of the node.

		s32 ID;

		//! Automatic culling state

		u32 AutomaticCullingState;

		//! Flag if debug data should be drawn, such as Bounding Boxes.

		s32 DebugDataVisible;

		//! Is the node visible?

		bool IsVisible;

		//! Is debug object?

		bool IsDebugObject;
	};


} // end namespace scene

} // end namespace irr


#endif

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