getting map from a file

[ichijoji]

I'm trying to make a function to get a map from a file for a rpg. The header values are coming in fine, but as soon as I try to read the body of the file I get garbage values.
I'm using this method:

map_t::map_t(char* base) {
  char filename[255];
  int i, j;
  tiles = new tiles_t(base);
  sprintf(filename,"maps/%s/%s.map",base,base);
  FILE *fp = fopen(filename,"r");
  if (fp == NULL) {
    allegro_message("Unable to open file \"%s\"",filename);
    exit(1);
  }
  fscanf(fp,"%d %d %d %d",&mapw,&maph,&screenw,&screenh);
  tilew = SCREEN_W / screenw;
  tileh = SCREEN_H / screenh;
  map = new int*[mapw];
  for (i = 0; i < mapw; ++i)
    map[i] = new int[maph];
  for (j = 0; j < maph; ++j)
    for (i = 0; i < mapw; ++i) {
      scanf("%d",&(map[i][j]));
      if (map[i][j] < 0 || map[i][j] >= tiles->numtiles) {
        allegro_message("Invalid tile value %d at (%d,%d) in file %s",
          map[i][j],i,j,filename);
        exit(1);
      }
    }
  fclose(fp);
}

and this data:

10 10 5 5
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0

It's a total mystery to me why fscanf would get some of the values and not others. Is there some C newline trick that I'm missing or what?

[ichijoji]

Scanf? Boy, that just makes me feel stupid.

[itsme86]

You should avoid posting C++ code to a C board.

[VirtualAce]

You are probably making the issue a lot harder by not using the tools needed to get the job done. There are several array-based file i/o functions available in C. A simple block read from the disk into a 1D array will do the trick. Then in game access the map as y*width_of_map+x or calc it once and then keep a running tab of the player's position.

Then a simple is:

north: player.mappos-=map_width;
south: player.mappos+=map_width;
east: player.mapppos++;
west: player.mappos--;

Look into the _open (open), _read (read) functions.

Or you can always read the data into an array and copy it later into one of the STL container's. I personally would not do this, but it's your game.

[ichijoji]

You should avoid posting C++ code to a C board.

I know I know. I wasn't really sure to post this since it's for a game with allegro, uses c++ structuring, and has a problem with c functions. I figured the problem was why I was posting, so I'd choose the board according to that.