blender/source/gameengine/Rasterizer/RAS_TexVert.cpp

/**
 * $Id$
 * ***** BEGIN GPL/BL DUAL 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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/BL DUAL LICENSE BLOCK *****
 */

#include "RAS_TexVert.h"

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#define SHORT(x) short(x*32767.0)

RAS_TexVert::RAS_TexVert(const MT_Point3& xyz,
						 const MT_Point2& uv,
						 const MT_Vector4& tangent,
						 const unsigned int rgba,
						 const MT_Vector3& normal,
						 const short flag) 
{
	xyz.getValue(m_localxyz);
	uv.getValue(m_uv1);
	uv.getValue(m_uv2); // ..py access
	SetRGBA(rgba);
	SetNormal(normal);
	tangent.getValue(m_tangent);
	m_flag = flag;
	m_unit = 2;
}

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]*255.0);
	colp[1] = (unsigned char) (rgba[1]*255.0);
	colp[2] = (unsigned char) (rgba[2]*255.0);
	colp[3] = (unsigned char) (rgba[3]*255.0);
}


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



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<=TV_MAX?u:TV_MAX;
}

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

#ifndef RAS_TexVert_INLINE

// leave multiline for debugging
const float* RAS_TexVert::getUV1 () const
{
	return m_uv1;
}

const float* RAS_TexVert::getUV2 () const
{
	return m_uv2;
}



const float* RAS_TexVert::getNormal() const
{
	return m_normal;
}

const float* RAS_TexVert::getTangent() const
{
	return m_tangent;
}


const float* RAS_TexVert::getLocalXYZ() const
{ 
	return m_localxyz;
}

const unsigned char* RAS_TexVert::getRGBA() const
{
	return (unsigned char*) &m_rgba;
}

#endif

// 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 &&
		m_rgba == other->m_rgba &&
		MT_fuzzyEqual(MT_Vector3(m_normal), MT_Vector3(other->m_normal)) &&
		MT_fuzzyEqual(MT_Vector2(m_uv1), MT_Vector2(other->m_uv1)) &&
		MT_fuzzyEqual(MT_Vector3(m_localxyz), MT_Vector3(other->m_localxyz))) ;
	
}

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


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


void RAS_TexVert::getOffsets(void* &xyz, void* &uv1, void* &rgba, void* &normal) const
{
	xyz = (void *) m_localxyz;
	uv1 = (void *) m_uv1;
	rgba = (void *) &m_rgba;
	normal = (void *) m_normal;
}