RAS_TexVert.cpp

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "RAS_TexVert.h"
#include "MT_Matrix4x4.h"

RAS_TexVert::RAS_TexVert(const MT_Point3& xyz,
                         const MT_Point2& uv,
                         const MT_Point2& uv2,
                         const MT_Vector4& tangent,
                         const unsigned int rgba,
                         const MT_Vector3& normal,
                         const bool flat,
                         const unsigned int origindex)
{
    xyz.getValue(m_localxyz);
    uv.getValue(m_uv1);
    uv2.getValue(m_uv2);
    SetRGBA(rgba);
    SetNormal(normal);
    tangent.getValue(m_tangent);
    m_flag = (flat)? FLAT: 0;
    m_origindex = origindex;
    m_unit = 2;
    m_softBodyIndex = -1;
}

const MT_Point3& RAS_TexVert::xyz()
{
    g_pt3.setValue(m_localxyz);
    return g_pt3;
}

void RAS_TexVert::SetRGBA(const MT_Vector4& rgba)
{
    unsigned char *colp = (unsigned char*) &m_rgba;
    colp[0] = (unsigned char) (rgba[0]*255.0f);
    colp[1] = (unsigned char) (rgba[1]*255.0f);
    colp[2] = (unsigned char) (rgba[2]*255.0f);
    colp[3] = (unsigned char) (rgba[3]*255.0f);
}


void RAS_TexVert::SetXYZ(const MT_Point3& xyz)
{
    xyz.getValue(m_localxyz);
}

void RAS_TexVert::SetXYZ(const float *xyz)
{
    m_localxyz[0]= xyz[0]; m_localxyz[1]= xyz[1]; m_localxyz[2]= xyz[2];
}

void RAS_TexVert::SetUV(const MT_Point2& uv)
{
    uv.getValue(m_uv1);
}

void RAS_TexVert::SetUV2(const MT_Point2& uv)
{
    uv.getValue(m_uv2);
}


void RAS_TexVert::SetRGBA(const unsigned int rgba)
{ 
    m_rgba = rgba;
}


void RAS_TexVert::SetFlag(const short flag)
{
    m_flag = flag;
}

void RAS_TexVert::SetUnit(const unsigned int u)
{
    m_unit = u <= (unsigned int) MAX_UNIT ? u: (unsigned int)MAX_UNIT;
}

void RAS_TexVert::SetNormal(const MT_Vector3& normal)
{
    normal.getValue(m_normal);
}

void RAS_TexVert::SetTangent(const MT_Vector3& tangent)
{
    tangent.getValue(m_tangent);
}


// compare two vertices, and return TRUE if both are almost identical (they can be shared)
bool RAS_TexVert::closeTo(const RAS_TexVert* other)
{
    return (
        /* m_flag == other->m_flag && */
        /* at the moment the face only stores the smooth/flat setting so dont bother comparing it */
        m_rgba == other->m_rgba &&
        MT_fuzzyEqual(MT_Vector3(m_normal), MT_Vector3(other->m_normal)) &&
        MT_fuzzyEqual(MT_Vector3(m_tangent), MT_Vector3(other->m_tangent)) &&
        MT_fuzzyEqual(MT_Vector2(m_uv1), MT_Vector2(other->m_uv1)) &&
        MT_fuzzyEqual(MT_Vector2(m_uv2), MT_Vector2(other->m_uv2)) /* &&
        MT_fuzzyEqual(MT_Vector3(m_localxyz), MT_Vector3(other->m_localxyz))*/) ;
    /* dont bother comparing m_localxyz since we know there from the same vert */
}

short RAS_TexVert::getFlag() const
{
    return m_flag;
}


unsigned int RAS_TexVert::getUnit() const
{
    return m_unit;
}

void RAS_TexVert::Transform(const MT_Matrix4x4& mat, const MT_Matrix4x4& nmat)
{
    SetXYZ((mat*MT_Vector4(m_localxyz[0], m_localxyz[1], m_localxyz[2], 1.0)).getValue());
    SetNormal((nmat*MT_Vector4(m_normal[0], m_normal[1], m_normal[2], 1.0)).getValue());
    SetTangent((nmat*MT_Vector4(m_tangent[0], m_tangent[1], m_tangent[2], 1.0)).getValue());
}