// Copyright (C) 2002-2010 Nikolaus Gebhardt

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

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



#include "IrrCompileConfig.h"

#ifdef _IRR_COMPILE_WITH_SKINNED_MESH_SUPPORT_



#include "CBoneSceneNode.h"



namespace irr

{

namespace scene

{



//! constructor

CBoneSceneNode::CBoneSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,

	u32 boneIndex, const c8* boneName)

: IBoneSceneNode(parent, mgr, id), BoneIndex(boneIndex),

	AnimationMode(EBAM_AUTOMATIC), SkinningSpace(EBSS_LOCAL)

{

	#ifdef _DEBUG

	setDebugName("CBoneSceneNode");

	#endif

	setName(boneName);

}





//! Returns the index of the bone

u32 CBoneSceneNode::getBoneIndex() const

{

	return BoneIndex;

}





//! Sets the animation mode of the bone. Returns true if successful.

bool CBoneSceneNode::setAnimationMode(E_BONE_ANIMATION_MODE mode)

{

	AnimationMode = mode;

	return true;

}





//! Gets the current animation mode of the bone

E_BONE_ANIMATION_MODE CBoneSceneNode::getAnimationMode() const

{

	return AnimationMode;

}





//! returns the axis aligned bounding box of this node

const core::aabbox3d<f32>& CBoneSceneNode::getBoundingBox() const

{

	return Box;

}





/*

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

core::matrix4 CBoneSceneNode::getRelativeTransformation() const

{

	return core::matrix4(); // RelativeTransformation;

}

*/





void CBoneSceneNode::OnAnimate(u32 timeMs)

{

	if (IsVisible)

	{

		// animate this node with all animators



		ISceneNodeAnimatorList::Iterator ait = Animators.begin();

		for (; ait != Animators.end(); ++ait)

			(*ait)->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);

	}

}





void CBoneSceneNode::helper_updateAbsolutePositionOfAllChildren(ISceneNode *Node)

{

	Node->updateAbsolutePosition();



	ISceneNodeList::ConstIterator it = Node->getChildren().begin();

	for (; it != Node->getChildren().end(); ++it)

	{

		helper_updateAbsolutePositionOfAllChildren( (*it) );

	}

}





void CBoneSceneNode::updateAbsolutePositionOfAllChildren()

{

	helper_updateAbsolutePositionOfAllChildren( this );

}





void CBoneSceneNode::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const

{

	IBoneSceneNode::serializeAttributes(out, options);

	out->addInt("BoneIndex", BoneIndex);

	out->addEnum("AnimationMode", AnimationMode, BoneAnimationModeNames);

}





void CBoneSceneNode::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)

{

	BoneIndex = in->getAttributeAsInt("BoneIndex");

	AnimationMode = (E_BONE_ANIMATION_MODE)in->getAttributeAsEnumeration("AnimationMode", BoneAnimationModeNames);

	// for legacy files (before 1.5)

	const core::stringc boneName = in->getAttributeAsString("BoneName");

	setName(boneName);

	IBoneSceneNode::deserializeAttributes(in, options);

	// TODO: add/replace bone in parent with bone from mesh

}





} // namespace scene

} // namespace irr



#endif