/***********************************************************************************************************************
*
* Copyright (c) 2010 - 2022 by Tech Soft 3D, Inc.
* The information contained herein is confidential and proprietary to Tech Soft 3D, Inc., and considered a trade secret
* as defined under civil and criminal statutes. Tech Soft 3D shall pursue its civil and criminal remedies in the event
* of unauthorized use or misappropriation of its trade secrets. Use of this information by anyone other than authorized 
* employees of Tech Soft 3D, Inc. is granted only under a written non-disclosure agreement, expressly prescribing the 
* scope and manner of such use.
*
***********************************************************************************************************************/
/**
\file wrapper/HXWBasicTessellation.cpp

***********************************************************************************************************************/

#include <A3DSDKIncludes.h>
#include "HXWBasicTessellation.h"



//######################################################################################################################
HXWBasicTessellation::HXWBasicTessellation()
{
	A3D_INITIALIZE_DATA(A3DTessBaseData, m_coordsdata);
	m_coordsdata.m_pdCoords = NULL;
	m_coordsdata.m_uiCoordSize = m_uiCoordsAllocated = 0;
}

//######################################################################################################################
HXWBasicTessellation::~HXWBasicTessellation()
{
	A3D_INITIALIZE_DATA(A3DTessBaseData, m_coordsdata);
	reset();
}

//######################################################################################################################
void HXWBasicTessellation::reset()
{
	free(m_coordsdata.m_pdCoords);
	m_coordsdata.m_pdCoords = NULL;
	m_coordsdata.m_uiCoordSize = m_uiCoordsAllocated = 0;
}

//######################################################################################################################
void HXWBasicTessellation::add_coords(A3DDouble* pdCoords, A3DUns32 uiCoordsSize)
{
	if(m_uiCoordsAllocated == 0)
	{
		m_uiCoordsAllocated = ALLOCATION_STEP + uiCoordsSize;
		m_coordsdata.m_pdCoords = (A3DDouble*) malloc((size_t) m_uiCoordsAllocated * sizeof(A3DDouble));
	}
	else if(!(uiCoordsSize + m_coordsdata.m_uiCoordSize < m_uiCoordsAllocated))
	{
		m_uiCoordsAllocated = uiCoordsSize + m_coordsdata.m_uiCoordSize + ALLOCATION_STEP;
		A3DDouble* temp = (A3DDouble*) malloc((size_t) m_uiCoordsAllocated * sizeof(A3DDouble));
		memcpy(temp, m_coordsdata.m_pdCoords, (size_t) m_coordsdata.m_uiCoordSize * sizeof(A3DDouble));
		if(m_coordsdata.m_pdCoords != NULL)
		{
			free(m_coordsdata.m_pdCoords);
			m_coordsdata.m_pdCoords = NULL;
		}
		m_coordsdata.m_pdCoords = temp;
	}
	m_coordsdata.m_uiCoordSize += uiCoordsSize;
	for(unsigned i = 0 ; i < uiCoordsSize; ++i)
		m_coordsdata.m_pdCoords[m_coordsdata.m_uiCoordSize-uiCoordsSize+i] = pdCoords[i];
}

//######################################################################################################################
void HXWBasicTessellation::add_coord(A3DDouble dCoord)
{
	if(m_uiCoordsAllocated == 0)
	{
		m_coordsdata.m_pdCoords = (A3DDouble*) malloc(ALLOCATION_STEP * sizeof(A3DDouble));
		m_uiCoordsAllocated = ALLOCATION_STEP;
	}
	else if(!(m_coordsdata.m_uiCoordSize + 1< m_uiCoordsAllocated))
	{
		m_uiCoordsAllocated = m_coordsdata.m_uiCoordSize + ALLOCATION_STEP;
		A3DDouble* temp =(A3DDouble*) malloc((size_t) m_uiCoordsAllocated * sizeof(A3DDouble));
		memcpy(temp, m_coordsdata.m_pdCoords, (size_t) m_coordsdata.m_uiCoordSize * sizeof(A3DDouble));
		if(m_coordsdata.m_pdCoords != NULL)
		{
			free(m_coordsdata.m_pdCoords);
			m_coordsdata.m_pdCoords = NULL;
		}
		m_coordsdata.m_pdCoords = temp;
	}
	m_coordsdata.m_pdCoords[m_coordsdata.m_uiCoordSize++] = dCoord;
}

//######################################################################################################################
void HXWBasicTessellation::free_extra_coords()
{
	if(m_coordsdata.m_uiCoordSize == m_uiCoordsAllocated)
		return;

	A3DDouble* pnew = NULL;
	if(m_coordsdata.m_uiCoordSize != 0)
	{
		pnew = (A3DDouble*) malloc((size_t) m_coordsdata.m_uiCoordSize * sizeof(A3DDouble));
		memcpy(pnew, m_coordsdata.m_pdCoords, (size_t) m_coordsdata.m_uiCoordSize * sizeof(A3DDouble));
	}
	if(m_coordsdata.m_pdCoords != NULL)
	{
		free(m_coordsdata.m_pdCoords);
		m_coordsdata.m_pdCoords = NULL;
	}

	m_coordsdata.m_pdCoords = pnew;
	m_uiCoordsAllocated = m_coordsdata.m_uiCoordSize;
}