Elysian Shadows

Code: Select all

#include "SDL.h"
#include <string>

const int Grass = 0;
const int Wall = 1;

int xPos = 200;
int yPos = 300;

int map[12][16] =
{
	{1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0},
	{1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0},
	{1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0},
	{1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1},
	{1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1},
	{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
	{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
	{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
	{0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1},
	{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
	{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
	{1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0}
};

SDL_Surface *load_image(std::string filename)
{
    SDL_Surface *loadedImage = NULL;

	SDL_Surface *optimizedImage = NULL;

	loadedImage = SDL_LoadBMP(filename.c_str());

	if(loadedImage != NULL)
	{
		optimizedImage = SDL_DisplayFormat(loadedImage);

		SDL_FreeSurface(loadedImage);
	}
	return optimizedImage;
}

void apply_surface(int x, int y, SDL_Surface* source, SDL_Surface* destination)
{
	SDL_Rect offset;

	offset.x = x;
	offset.y = y;

	SDL_BlitSurface(source, NULL, destination, &offset);
}

int main(int argc, char *args[])
{
    SDL_Event event;

    bool quit = false;

    SDL_Surface *screen;
    SDL_Surface *player;
    SDL_Surface *wall;
    SDL_Surface *grass;

	player = load_image("gfx/player.bmp");
	wall = load_image("gfx/wall.bmp");
	grass = load_image("gfx/grass.bmp");

	SDL_Init(SDL_INIT_EVERYTHING);

    screen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE);

	SDL_WM_SetCaption("My RPG", NULL);

	while(quit == false)
	{
		while(SDL_PollEvent(&event))
		{
			for(int y = 0; y < 12; y++)
			{
				for(int x = 0; x < 16; x++)
				{
					if(map[x][y] == Wall)
					{
						apply_surface(x*40, y*40, wall, screen);
					}
					if(map[x][y] == Grass)
					{
						apply_surface(x*40, y*40, grass, screen);
					}
				}
			}

			switch(event.key.keysym.sym)
			{
			case SDLK_UP: yPos--; break;
			case SDLK_DOWN: yPos++; break;
			case SDLK_LEFT: xPos--; break;
			case SDLK_RIGHT: xPos++; break;
			}

			apply_surface(xPos, yPos, player, screen);
		    
			if(event.type == SDL_QUIT)
		    {
			    quit = true;
		    }

			SDL_Flip(screen);
		}
	}
	
	SDL_FreeSurface(player);
	SDL_FreeSurface(wall);
	SDL_FreeSurface(grass);

	SDL_Quit();

	return 0;
}

Code: Select all

while(quit == false) {
      DrawTiles();
      while(SDL_PollEvent(&event)) {
         //process events
       }
      DrawPlayer();
}