E:/framework - Kopie/src/CMesh.h

#include "CVert.h"
#include "CTexCoord.h"
#include "common.h"
#include <string>

enum CMeshObjectTyp{
        CRectangle,
        CCube
};


class CMesh
{
public:
        // Mesh Data
        int             m_nVertexCount;                                         // Vertex Count
        CVert*  m_pVertices;                                            // Vertex Data
        CVert*  m_pColors;                                                      // Color Data
        CTexCoord*      m_pTextures;                                                    // Texture Coordinates

        // Vertex Buffer Object Names
        unsigned int    m_nVBOVertices;                                         // Vertex VBO Name
        unsigned int    m_nVBOColors;
        unsigned int    m_nVBOTextures;

public:
        CMesh(CMeshObjectTyp type )                                                             // Mesh Constructor
        {
                typ = type;
                switch(typ)
                {
                case CCube:
                        m_nVertexCount = 24;
                        m_pVertices = new CVert[m_nVertexCount];
                        m_pColors = new CVert[m_nVertexCount];

                        setVertex(0, 1.0f, 1.0f,0.0f);                  // Top Right Of The Quad (Top)
                        setVertex(1, 0.0f, 1.0f,0.0f);                  // Top Left Of The Quad (Top)
                        setVertex(2, 0.0f, 1.0f,1.0f);                  // Bottom Left Of The Quad (Top)
                        setVertex(3, 1.0f, 1.0f,1.0f);                  // Bottom Right Of The Quad (Top)

                        setVertex(4, 1.0f,0.0f, 1.0f);                  // Top Right Of The Quad (Bottom)
                        setVertex(5, 0.0f,0.0f, 1.0f);                  // Top Left Of The Quad (Bottom)
                        setVertex(6, 0.0f,0.0f, 0.0f);                          // Bottom Left Of The Quad (Bottom)
                        setVertex(7, 1.0f,0.0f, 0.0f);                  // Bottom Right Of The Quad (Bottom)

                        setVertex(8, 1.0f, 1.0f, 1.0f);                 // Top Right Of The Quad (Front)
                        setVertex(9, 0.0f, 1.0f, 1.0f);                 // Top Left Of The Quad (Front)
                        setVertex(10,0.0f,0.0f, 1.0f);                  // Bottom Left Of The Quad (Front)
                        setVertex(11,1.0f,0.0f, 1.0f);                  // Bottom Right Of The Quad (Front)

                        setVertex(12,1.0f,0.0f,0.0f);                   // Bottom Left Of The Quad (Back)
                        setVertex(13,0.0f,0.0f,0.0f);                           // Bottom Right Of The Quad (Back)
                        setVertex(14,0.0f, 1.0f,0.0f);                  // Top Right Of The Quad (Back)
                        setVertex(15,1.0f, 1.0f,0.0f);                  // Top Left Of The Quad (Back)

                        setVertex(16,0.0f, 1.0f, 1.0f);                 // Top Right Of The Quad (Left)
                        setVertex(17,0.0f, 1.0f,0.0f);                  // Top Left Of The Quad (Left)
                        setVertex(18,0.0f,0.0f,0.0f);                           // Bottom Left Of The Quad (Left)
                        setVertex(19,0.0f,0.0f, 1.0f);                  // Bottom Right Of The Quad (Left)

                        setVertex(20,1.0f, 1.0f,0.0f);                  // Top Right Of The Quad (Right)
                        setVertex(21,1.0f, 1.0f, 1.0f);                 // Top Left Of The Quad (Right)
                        setVertex(22,1.0f,0.0f, 1.0f);                  // Bottom Left Of The Quad (Right)
                        setVertex(23,1.0f,0.0f,0.0f);                   // Bottom Right Of The Quad (Right)
                break;
                case CRectangle:
                        m_nVertexCount = 4;
                        m_pVertices = new CVert[m_nVertexCount];
                        m_pTextures = new CTexCoord[m_nVertexCount];
                        setVertex(0, 0.0, 0.0,-1,0.0f, 0.0f);
                        setVertex(1, 1.0, 0.0,-1, 1.0f, 0.0f);
                        setVertex(2, 1.0, 1.0,-1,1.0f, 1.0f);
                        setVertex(3, 0.0, 1.0,-1,0.0f, 1.0f);
                break;
                }
        };
        ~CMesh();                                                               // Mesh Deconstructor

        void setVertex(int i, float x,float y, float z)
        {
                m_pVertices[i].x =x;
                m_pVertices[i].y =y;
                m_pVertices[i].z =z;            
                m_pColors[i].x =x;
                m_pColors[i].y =y;
                m_pColors[i].z =z;
        };

        void setVertex(int i, float x,float y, float z, float u, float v)
        {
                m_pVertices[i].x =x;
                m_pVertices[i].y =y;
                m_pVertices[i].z =z;            
                m_pTextures[i].u =u;
                m_pTextures[i].v =v;
        };

        void BuildVBOs()
        {
                switch(typ)
                {
                case CCube:             
                        glEnableClientState( GL_VERTEX_ARRAY );                         // Disable Vertex Arrays
                        glEnableClientState( GL_COLOR_ARRAY );                          // Disable Color Arrays

                        // Generate And Bind The Vertex Buffer
                        glGenBuffersARB( 1, &m_nVBOVertices );                                                  // Get A Valid Name
                        glBindBufferARB( GL_ARRAY_BUFFER_ARB, m_nVBOVertices );                 // Bind The Buffer
                        // Load The Data
                        glBufferDataARB( GL_ARRAY_BUFFER_ARB, m_nVertexCount*3*sizeof(float), m_pVertices, GL_STATIC_DRAW_ARB );

                        // Generate And Bind The Texture Coordinate Buffer
                        glGenBuffersARB( 1, &m_nVBOColors );                                    // Get A Valid Name
                        glBindBufferARB( GL_ARRAY_BUFFER_ARB, m_nVBOColors );           // Bind The Buffer
                        // Load The Data
                        glBufferDataARB( GL_ARRAY_BUFFER_ARB, m_nVertexCount*3*sizeof(float), m_pColors, GL_STATIC_DRAW_ARB );

                        // Our Copy Of The Data Is No Longer Necessary, It Is Safe In The Graphics Card
                        //delete [] m_pVertices; m_pVertices = NULL;
                        //delete [] m_pColors; m_pColors = NULL;

                        std::cout << "VBOs Vertex " << m_nVBOVertices << std::endl;
                        std::cout << "VBOs Color " << m_nVBOColors << std::endl;
                        std::cout << "VBOs BUILDED" << std::endl;

                        //glDisableClientState(GL_COLOR_ARRAY);
                        //glDisableClientState(GL_VERTEX_ARRAY); 
                        break;
                case CRectangle:
                        glEnableClientState( GL_VERTEX_ARRAY );                         // Disable Vertex Arrays
                        glEnableClientState( GL_TEXTURE_COORD_ARRAY );                          // Disable Color Arrays

                        // Generate And Bind The Vertex Buffer
                        glGenBuffersARB( 1, &m_nVBOVertices );                                                  // Get A Valid Name
                        glBindBufferARB( GL_ARRAY_BUFFER_ARB, m_nVBOVertices );                 // Bind The Buffer
                        // Load The Data
                        glBufferDataARB( GL_ARRAY_BUFFER_ARB, m_nVertexCount*3*sizeof(float), m_pVertices, GL_STATIC_DRAW_ARB );

                        glClientActiveTexture(GL_TEXTURE1);
                        // Generate And Bind The Texture Coordinate Buffer
                        glGenBuffersARB( 1, &m_nVBOTextures );                                  // Get A Valid Name
                        glBindBufferARB( GL_ARRAY_BUFFER_ARB, m_nVBOTextures );         // Bind The Buffer
                        // Load The Data
                        glBufferDataARB( GL_ARRAY_BUFFER_ARB, m_nVertexCount*2*sizeof(float), m_pTextures, GL_STATIC_DRAW_ARB );

                        // Our Copy Of The Data Is No Longer Necessary, It Is Safe In The Graphics Card
                        //delete [] m_pVertices; m_pVertices = NULL;
                        //delete [] m_pColors; m_pColors = NULL;

                        std::cout << "VBOs Vertex " << m_nVBOVertices << std::endl;
                        std::cout << "VBOs Color " << m_nVBOColors << std::endl;
                        std::cout << "VBOs BUILDED" << std::endl;

                        //glDisableClientState(GL_TEXTURE_COORD_ARRAY);
                        //glDisableClientState(GL_VERTEX_ARRAY); 
                        break;
                }
        };

        private:
                CMeshObjectTyp typ;
};