spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C-/C++-Quelltext

bool CGame::Init(const char *title, int xpos, int ypos, int height, int width, int flags)
{
    // initialize SDL
    if(SDL_Init(SDL_INIT_EVERYTHING) == 0)
    {
        std::cout << " SDL init success! ";
        // if succeeded create a window
        m_pWindow = SDL_CreateWindow(title, xpos, ypos,height, width,flags);

        // if the window creation succeeded create our renderer
        if (m_pWindow != 0)
        {
            std::cout << "window creation success\n";
            m_pRenderer = SDL_CreateRenderer(m_pWindow, -1, 0);
            
            if(m_pRenderer != 0) // renderer init success
            {
                std::cout << "renderer creation success\n";
                SDL_SetRenderDrawColor(m_pRenderer, 255, 255, 255, 255);
            }
            else
            {
                std::cout << "renderer init fail\n";
                return false; // renderer init fail
            }
        }
        else
        {
            std::cout << "window init fail\n";
            return false; // window init fail
        }
    }
    else
    {
        std::cout << "SDL init fail\n";
        return false; // SDL init fail
    }

    std::cout << "init success\n";
    m_bRunning = true; // everything inited successfully, start the main loop

    // Textur zeichnen, kann auch ohne SDL_Surface geladen werden
    SDL_Surface* pTempSurface = IMG_Load("animate-alpha.png");      // SDL_LoadBMP gibt eine Zeiger auf ein SDL_Surface.Objekt zurück
    m_pTexture = SDL_CreateTextureFromSurface(m_pRenderer, pTempSurface);
    SDL_FreeSurface(pTempSurface);      // Temporäre Surface wieder freigeben
    
    //SDL_QueryTexture(m_pTexture, NULL, NULL, &m_sourceRectangle.w, &m_sourceRectangle.h);
    //SDL_SetRenderDrawColor(m_pRenderer, 255,0,0,255);
    SDL_SetRenderDrawColor(m_pRenderer, 255,0,0,255);
    m_sourceRectangle.w = 128;
    m_sourceRectangle.h = 82;

    m_destinationRectangle.x = m_sourceRectangle.x = 0;
    m_destinationRectangle.y = m_sourceRectangle.y = 0;
    m_destinationRectangle.w = m_sourceRectangle.w;
    m_destinationRectangle.h = m_sourceRectangle.h;

    return true;    
}