gistfile1.c

void draw_tiles(char **tiles) {
    int real_x, real_y;
    Sprite *grass = get_sprite(GRASS_SPRITE);

    for (int y = 0; y < TILEMAP_LENGTH; y++) {
        for (int x = 0; x < TILEMAP_WIDTH; x++) {
            grass->frames = grass_frames;
            if (tiles[y][x] == 'G') {
                real_x = (x * TILE_WIDTH) + ((TILEMAP_LENGTH - 1 - y) * TILE_LENGTH) + TILEMAP_X_OFFSET;
                real_y = (y * TILE_LENGTH) + TILEMAP_Y_OFFSET;
                draw_sprite(grass, real_x, real_y);
            }
        }
    }
}