India/cocos2d-x/cocos/3d/CCAttachNode.cpp

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 Copyright (c) 2014-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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#include "3d/CCAttachNode.h"
#include "3d/CCSkeleton3D.h"

NS_CC_BEGIN

AttachNode* AttachNode::create(Bone3D* attachBone)
{
    auto attachnode = new (std::nothrow) AttachNode();
    attachnode->_attachBone = attachBone;
    attachnode->autorelease();
    
    return attachnode;
}

AttachNode::AttachNode()
: _attachBone(nullptr)
{
    
}
AttachNode::~AttachNode()
{
    
}

Mat4 AttachNode::getWorldToNodeTransform() const
{
    static Mat4 mat;
    mat.setIdentity();
    auto parent = getParent();
    if (parent)
    {
        mat = parent->getWorldToNodeTransform() * _attachBone->getWorldMat() * Node::getNodeToParentTransform();
    }
    else
    {
        mat = _attachBone->getWorldMat() * Node::getNodeToParentTransform();
    }
    return mat;
}

Mat4 AttachNode::getNodeToWorldTransform() const
{
    return Node::getNodeToWorldTransform();
}

const Mat4& AttachNode::getNodeToParentTransform() const
{
    Node::getNodeToParentTransform();
    _transformToParent = _attachBone->getWorldMat() * _transform;
    return _transformToParent;
}

void AttachNode::visit(Renderer *renderer, const Mat4& parentTransform, uint32_t /*parentFlags*/)
{
    Node::visit(renderer, parentTransform, Node::FLAGS_DIRTY_MASK);
}
NS_CC_END