RAS_TexVert.h

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/*
 * $Id: RAS_TexVert.h 35072 2011-02-22 12:42:55Z jesterking $
 *
 * ***** 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 *****
 */

#ifndef __RAS_TEXVERT
#define __RAS_TEXVERT


#include "MT_Point3.h"
#include "MT_Point2.h"
#include "MT_Transform.h"

#ifdef WITH_CXX_GUARDEDALLOC
#include "MEM_guardedalloc.h"
#endif

static MT_Point3 g_pt3;
static MT_Point2 g_pt2;

class RAS_TexVert
{
        
        float                   m_localxyz[3];  // 3*4 = 12
        float                   m_uv1[2];               // 2*4 =  8
        float                   m_uv2[2];               // 2*4 =  8
        unsigned int    m_rgba;                 //        4
        float                   m_tangent[4];   // 4*4 =  16
        float                   m_normal[3];    // 3*4 =  12
        short                   m_flag;                 //        2
        short                   m_softBodyIndex;                //2
        unsigned int    m_unit;                 //                4
        unsigned int    m_origindex;            //    4
                                                                        //---------
                                                                        //       56+6+8+2=72
        // 32 bytes total size, fits nice = 56 = not fit nice.

public:
        enum {
                FLAT = 1,
                SECOND_UV = 2,
                MAX_UNIT = 8
        };

        short getFlag() const;
        unsigned int getUnit() const;
        
        RAS_TexVert()// :m_xyz(0,0,0),m_uv(0,0),m_rgba(0)
        {}
        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);
        ~RAS_TexVert() {};

        const float* getUV1 () const { 
                return m_uv1;
        };

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

        const float* getXYZ() const { 
                return m_localxyz;
        };
        
        const float* getNormal() const {
                return m_normal;
        }
        
        short int getSoftBodyIndex() const
        {
                return m_softBodyIndex;
        }
        
        void    setSoftBodyIndex(short int sbIndex)
        {
                m_softBodyIndex = sbIndex;
        }

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

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

        unsigned int getOrigIndex() const {
                return m_origindex;
        }

        void                            SetXYZ(const MT_Point3& xyz);
        void                            SetXYZ(const float *xyz);
        void                            SetUV(const MT_Point2& uv);
        void                            SetUV2(const MT_Point2& uv);

        void                            SetRGBA(const unsigned int rgba);
        void                            SetNormal(const MT_Vector3& normal);
        void                            SetTangent(const MT_Vector3& tangent);
        void                            SetFlag(const short flag);
        void                            SetUnit(const unsigned u);
        
        void                            SetRGBA(const MT_Vector4& rgba);
        const MT_Point3&        xyz();

        void                            Transform(const class MT_Matrix4x4& mat,
                                      const class MT_Matrix4x4& nmat);

        // compare two vertices, to test if they can be shared, used for
        // splitting up based on uv's, colors, etc
        bool                            closeTo(const RAS_TexVert* other);
        
#ifdef WITH_CXX_GUARDEDALLOC
public:
        void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:RAS_TexVert"); }
        void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif //__RAS_TEXVERT