tiny game

zelda_mapper.c

#include <SDL.h>
#include <SDL_image.h>

typedef struct {int x,y;}Point;

int main()
{

	SDL_Init(SDL_INIT_VIDEO);

	SDL_Surface *background=IMG_Load("game.png");

	Point cell={160,128};
	Point offset={background->w-cell.x,background->h-cell.y};

	SDL_Surface* display=SDL_SetVideoMode(cell.x,cell.y,0,0);

	int x=0;
	int y=0;

	while(1)
	{

		SDL_Event e;

		while(SDL_PollEvent(&e))
		{
			switch(e.type)
			{	
				case SDL_QUIT:
					return 0;
				case SDL_KEYDOWN:
					switch(e.key.keysym.sym)
					{
						case SDLK_ESCAPE:
							return 0;
						case SDLK_LEFT:
							x-=cell.x;
							break;
						case SDLK_RIGHT:
							x+=cell.x;
							break;
						case SDLK_UP:
							y-=cell.y;
							break;
						case SDLK_DOWN:
							y+=cell.y;
							break;
						default:
							break;
					}

					if(x<0)
						x=0;

					if(y<0)
						y=0;

					if(x>offset.x)
						x=offset.x;

					if(y>offset.y)
						y=offset.y;

					break;
			}
		}

		SDL_BlitSurface(background,&(SDL_Rect){x,y,display->w,display->h},display,NULL);

		SDL_Flip(display);

	}

}

This is awesome!