lib3mf/Source/Model/Classes/NMR_ModelComponentsObject.cpp

/*++

Copyright (C) 2019 3MF Consortium

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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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Abstract:

NMR_ModelComponentsObject.cpp implements the Model Component Class.
A model component object is an in memory representation of the 3MF
component object.

--*/

#include "Model/Classes/NMR_ModelComponentsObject.h" 
#include "Common/NMR_Exception.h"

namespace NMR {
	
	CModelComponentsObject::CModelComponentsObject(_In_ const ModelResourceID sID, _In_ CModel * pModel)
		: CModelObject(sID, pModel)
	{
		// empty on purpose
	}

	CModelComponentsObject::~CModelComponentsObject()
	{
		m_Components.clear();
	}

	void CModelComponentsObject::addComponent(_In_ PModelComponent pComponent)
	{
		if (!pComponent)
			throw CNMRException(NMR_ERROR_INVALIDPARAM);

		CModel * pModel = getModel();
		CModelObject * pModelObject = pComponent->getObject();

		if (pModel != pModelObject->getModel())
			throw CNMRException(NMR_ERROR_MODELMISMATCH);

		if (pComponent->getObject()->getPackageResourceID() == this->getPackageResourceID() )
			throw CNMRException(NMR_ERROR_MODELMISMATCH);

		m_Components.push_back(pComponent);
	}

	nfUint32 CModelComponentsObject::getComponentCount()
	{
		return (nfUint32)m_Components.size();
	}

	PModelComponent CModelComponentsObject::getComponent(_In_ nfUint32 nIdx)
	{
		if (nIdx >= (nfUint32)m_Components.size())
			throw CNMRException(NMR_ERROR_INVALIDINDEX);
		
		return m_Components[nIdx];
	}

	void CModelComponentsObject::mergeToMesh(_In_ CMesh * pMesh, _In_ const NMATRIX3 mMatrix)
	{
		__NMRASSERT(pMesh);
		for (auto iIterator = m_Components.begin(); iIterator != m_Components.end(); iIterator++)
			(*iIterator)->mergeToMesh(pMesh, mMatrix);
	}

	nfBool CModelComponentsObject::isValid()
	{
		if (m_Components.size() == 0)
			return false;

		for (auto iIterator = m_Components.begin(); iIterator != m_Components.end(); iIterator++) {
			CModelObject * pObject = (*iIterator)->getObject();
			__NMRASSERT(pObject);

			if (!pObject->isValid())
				return false;
		}

		return true;
	}

	nfBool CModelComponentsObject::hasSlices(nfBool bRecursive)
	{
		if (bRecursive) {
			if (this->getSliceStack().get())
				return true;
			for (auto iIterator = m_Components.begin(); iIterator != m_Components.end(); iIterator++) {
				CModelObject * pObject = (*iIterator)->getObject();
				__NMRASSERT(pObject);
				if (pObject->hasSlices(bRecursive))
					return true;
			}
			return false;
		}
		else {
			return (this->getSliceStack().get() != nullptr);
		}
	}

	nfBool CModelComponentsObject::isValidForSlices(const NMATRIX3& totalParentMatrix)
	{
		if (this->getSliceStack().get()) {
			if (!fnMATRIX3_isplanar(totalParentMatrix)) {
				return false;
			}
		}

		for (auto iIterator = m_Components.begin(); iIterator != m_Components.end(); iIterator++) {
			CModelObject * pObject = (*iIterator)->getObject();
			__NMRASSERT(pObject);
			NMATRIX3 curMat = fnMATRIX3_multiply(totalParentMatrix, (*iIterator)->getTransform());
			if (!pObject->isValidForSlices(curMat))
				return false;
		}

		return true;
	}

	void CModelComponentsObject::calculateComponentDepthLevel(nfUint32 nLevel)
	{
		CModelObject::calculateComponentDepthLevel(nLevel);
		for (auto iIterator = m_Components.begin(); iIterator != m_Components.end(); iIterator++) {
			CModelObject * pObject = (*iIterator)->getObject();
			pObject->calculateComponentDepthLevel(nLevel + 1);
		}
	}

	void CModelComponentsObject::extendOutbox(_Out_ NOUTBOX3& vOutBox, _In_ const NMATRIX3 mAccumulatedMatrix)
	{
		for (auto iIterator = m_Components.begin(); iIterator != m_Components.end(); iIterator++) {
			(*iIterator)->getObject()->extendOutbox(vOutBox, fnMATRIX3_multiply(mAccumulatedMatrix, (*iIterator)->getTransform()));
		}
	}
}