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C-/C++-Quelltext

void Tilemap::load(unsigned int *map){
    unsigned int i = 0;
    unsigned int i2 = 0;

    m_vertices.clear();
    m_indices.clear();
    m_texCoords.clear();
    m_map.clear();

    m_vertices.resize((m_width+1)*(m_height+1)*2);
    m_indices.resize(m_width*m_height*6);
    m_texCoords.resize((m_width+1)*(m_height+1)*2);
    m_map.resize(m_width*m_height);
        
    // Mesh
    for(unsigned int x = 0; x < m_width+1; x++){
        for(unsigned int y = 0; y < m_height+1; y++){
            m_vertices[i] = x*m_tileSize.x;
            m_vertices[i+1] = y*m_tileSize.y;
            
            i += 2;
        }
    }
        
    for(unsigned int x = 0; x < m_width; x++){
        for(unsigned int y = 0; y < m_height; y++){
            i = y*m_width+x;

            // Tiles
            m_map[i] = map[i];
        
            // Indices
            m_indices[i2] = x*(m_height+1)+y;
            m_indices[i2+1] = (x+1)*(m_height+1)+y;
            m_indices[i2+2] = x*(m_height+1)+y+1;
            m_indices[i2+3] = (x+1)*(m_height+1)+y;
            m_indices[i2+4] = (x+1)*(m_height+1)+y+1;
            m_indices[i2+5] = x*(m_height+1)+y+1;
            
            i2 += 6;

            // Texturkoordinaten
            m_texCoords[(x*(m_height+1)+y)*2] = m_tiles[m_map[i]-1].x0;
            m_texCoords[(x*(m_height+1)+y)*2+1] = m_tiles[m_map[i]-1].y0;

            m_texCoords[(x*(m_height+1)+y+1)*2] = m_tiles[m_map[i]-1].x0;
            m_texCoords[(x*(m_height+1)+y+1)*2+1] = m_tiles[m_map[i]-1].y1;

            m_texCoords[((x+1)*(m_height+1)+y)*2] = m_tiles[m_map[i]-1].x1;
            m_texCoords[((x+1)*(m_height+1)+y)*2+1] = m_tiles[m_map[i]-1].y0;

            m_texCoords[((x+1)*(m_height+1)+y+1)*2] = m_tiles[m_map[i]-1].x1;
            m_texCoords[((x+1)*(m_height+1)+y+1)*2+1] = m_tiles[m_map[i]-1].y1;
        }
    }

    generateBuffer();
}