/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 * ----------------------------------------------------------------------
 * ZincBlendeVolume.cpp: 3d zincblende volume class, a subclass of Volume.
 * 			It contains two cubic volumes.
 *
 * ======================================================================
 *  AUTHOR:  Wei Qiao <qiaow@purdue.edu>
 *           Purdue Rendering and Perceptualization Lab (PURPL)
 *
 *  Copyright (c) 2004-2012  HUBzero Foundation, LLC
 *
 *  See the file "license.terms" for information on usage and
 *  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 * ======================================================================
 */
#include <assert.h>

#include <vrmath/Vector3f.h>

#include "ZincBlendeVolume.h"

using namespace vrmath;

ZincBlendeVolume::ZincBlendeVolume(float x, float y, float z,
                                   int w, int h, int d, int n, 
                                   float *dataVolumeA, float *dataVolumeB,
                                   double v0, double v1, double non_zeromin,
                                   const Vector3f& cellSz) :
    Volume(x, y, z, w, h, d, n, dataVolumeA, v0, v1, non_zeromin),
    cellSize(cellSz)
{
    //label it as zincblende
    _volumeType = ZINCBLENDE;

    //store member tex initialize in Volume() as zincblende_tex[0]
    assert(_tex);
    zincblendeTex[0] = _tex;

    //now add another tex as zincblende_tex[1]
    Texture3D *secondTex = new Texture3D(w, h, d, GL_FLOAT, GL_LINEAR, n);
    assert(secondTex);
    secondTex->initialize(dataVolumeB);

    zincblendeTex[1] = secondTex;
}

ZincBlendeVolume::~ZincBlendeVolume()
{ 
    // This data will be deleted in a destrutor of Volume class
    //if (zincblende_tex[0])
    //  delete zincblende_tex[0];
    if (zincblendeTex[1])
	delete zincblendeTex[1];
}