SDL 1.2 Proof of Concept code

Game.cpp

#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
namespace core
{
    class Game
    {
        private:
            SDL_Surface* Surf_Display;
            SDL_Surface* Surf_Image;
            int x;
            bool Running;
        public:
            void init()
            {
                Running = true;
                x = 0;

                if(SDL_Init(SDL_INIT_EVERYTHING) < 0) {
                    //return false;
                }
             
                if((Surf_Display = SDL_SetVideoMode(640, 480, 32, SDL_HWSURFACE | SDL_DOUBLEBUF)) == NULL) {
                    //return false;
                }


                SDL_Surface* Surf_Temp = NULL;

                if((Surf_Temp = IMG_Load("loading-text.png")) == NULL) {
                    Running = false;
                }
                else
                {
                    Surf_Image = SDL_DisplayFormatAlpha(Surf_Temp);
                    SDL_FreeSurface(Surf_Temp);
                }

                //return true;
            }

            void handleInput(SDL_Event* event){
                switch(event->type) {
                    case SDL_QUIT:
                        Running = false;
                        break;
                    case SDL_KEYDOWN:
                        if ( SDLK_RIGHT == event->key.keysym.sym )
                        {
                            x+=10;
                        }
                        else if ( SDLK_LEFT == event->key.keysym.sym )
                        {
                            x-=10;
                        }
                        break;
                }
            }
            void update(){}
            void draw()
            {
                if ( Surf_Image )
                {
                    SDL_Rect DestR;

                    DestR.x = x;
                    DestR.y = 0;

                    //Clear the screen
                    SDL_Rect r={0,0,640,480};
                    SDL_FillRect( Surf_Display, &r, -1 );

                    //Paint the screen
                    SDL_BlitSurface(Surf_Image, NULL, Surf_Display, &DestR);

                    //Bring the backbuffer forward
                    SDL_Flip(Surf_Display);
                }
            }

            void playSounds(){}
            void clean(){
                SDL_FreeSurface(Surf_Display);
                SDL_Quit();
            }

            bool shouldExit(){ return !Running; }
    };
}

main.cpp

#include <SDL/SDL.h>
#include "./lib/core/Game.cpp"

core::Game game;
SDL_Event event;

void iterate()
{
    while(SDL_PollEvent(&event))
    {
        game.handleInput(&event);
    }

    game.update();
    game.draw();
    game.playSounds();
}

int main()
{
    game.init();

    while( !game.shouldExit() )
    {
        iterate();
        SDL_Delay(20);
    }

    return 0;
}

makefile

all:
	#Compile on the native platform
	g++ main.cpp -o main -lSDL -lSDL_image