Function AllocLoadRoom

editor/Erooms.cpp:923–1072

Allocates a room and then tries to load it Returns index into Rooms[] array on success -1 on fail

// Returns index into Rooms[] array on success
// -1 on fail
int AllocLoadRoom(char *filename, bool bCenter, bool palette_room) {
  CFILE *infile;
  int done = 0, initted = 0;
  int command, len, room_num = -1, i;
  room *rp;
  char texture_names[MAX_TEXTURES][PAGENAME_LEN];
  int highest_index;
  int16_t tex_index;
  int room_version = 0;

  infile = (CFILE *)cfopen(filename, "rb");
  if (!infile) {
    Int3(); // hey, couldn't load this room!
    return -1;
  }

  while (!done) {
    command = cf_ReadInt(infile);
    len = cf_ReadInt(infile);

    switch (command) {
    // Read room header stuff
    case ROOM_HEADER_CHUNK:
    case ROOM_NEW_HEADER_CHUNK:
      int num_verts, num_faces;

      if (command == ROOM_NEW_HEADER_CHUNK)
        room_version = cf_ReadInt(infile);
      num_verts = cf_ReadInt(infile);
      num_faces = cf_ReadInt(infile);

      // room_num=AllocRoom (num_verts,num_faces);
      rp = CreateNewRoom(num_verts, num_faces, palette_room);

      if (rp == NULL) {
        done = 1;
        continue;
      }

      initted = 1;
      break;

    case ROOM_VERTEX_CHUNK:
      if (!initted) {
        Int3(); // bad format info, get jason
        done = 1;
        break;
      }
      for (i = 0; i < rp->num_verts; i++) {
        rp->verts[i].x = cf_ReadFloat(infile);
        rp->verts[i].y = cf_ReadFloat(infile);
        rp->verts[i].z = cf_ReadFloat(infile);
      }
      break;
    case ROOM_TEXTURE_CHUNK:
      if (!initted) {
        Int3(); // bad format info, get jason
        done = 1;