K3dDrawTriangle.h

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/***************************************************************************
 *   Copyright (C) 2007 by Jan Koci   *
 *   honza.koci@email.cz   *
 *   http://kengine.sourceforge.net/tutorial/
 *                                                                         *
 *   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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#pragma once

#include "K3dOpenGL.h"


struct TRenderVertex
{
        GLfloat afVector[3];
        TRenderVertex()
        {
                for ( int i=0; i<3; i++ )
                {
                        afVector[i] = 0;
                }
        }
};

struct TRenderTriangle
{
        TRenderVertex atVertex[3];
        TRenderVertex atNormal[3];
};

class K3dDrawTriangle
{
                K3dGameData *m_pGameData;       
                TRenderVertex *m_ptVertexArray; 
                TRenderVertex *m_ptNormalArray; 
                int m_iNumVertices;     
                bool m_bIsWireframe;    
        public:

                K3dDrawTriangle ( K3dGameData *_pGameData )
                {
                        m_pGameData = _pGameData;
                        m_iNumVertices = 0;
                        m_ptVertexArray = NULL;
                        m_ptNormalArray = NULL;
                        m_bIsWireframe = false;
                }
                ~K3dDrawTriangle()
                {
                        //glDisableClientState(GL_VERTEX_ARRAY);
                        //glDisableClientState(GL_NORMAL_ARRAY);
                        DeleteVertexArray();
                }

                void AddTriangle ( TRenderTriangle &_rtTriangle );
                void DeleteVertexArray();
                void DrawTriangleArray();
                void ReallocVertexArray ( const int _iNewSize );
                void InitTriangleArray();
};

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