Function WriteFace

Descent3/LoadLevel.cpp:4279–4360

Writes a face to a disk file Parameters: ofile - file to write to fp - face to write Returns: 1 if written ok, else 0

//					fp - face to write
// Returns:		1 if written ok, else 0
int WriteFace(CFILE *ofile, face *fp) {
  int i;

  // Write number of verts
  cf_WriteByte(ofile, fp->num_verts);

  // Verts
  for (i = 0; i < fp->num_verts; i++)
    cf_WriteShort(ofile, fp->face_verts[i]);

  // uvls
  fp->flags &= ~FF_VERTEX_ALPHA;

  for (i = 0; i < fp->num_verts; i++) {
    cf_WriteFloat(ofile, fp->face_uvls[i].u);
    cf_WriteFloat(ofile, fp->face_uvls[i].v);
    cf_WriteByte(ofile, fp->face_uvls[i].alpha);

    if (fp->face_uvls[i].alpha != 255)
      fp->flags |= FF_VERTEX_ALPHA;
  }

  // Other stuff
  if ((fp->flags & FF_LIGHTMAP) &&
      (fp->lmi_handle == BAD_LMI_INDEX || LightmapInfoRemap[fp->lmi_handle] == BAD_LMI_INDEX)) {
    fp->flags &= ~FF_LIGHTMAP;
    mprintf(0, "Almost saved a bogus lightmap!\n");
  }

  cf_WriteShort(ofile, fp->flags);
  cf_WriteByte(ofile, fp->portal_num);
  cf_WriteShort(ofile, fp->tmap);

  if (fp->flags & FF_LIGHTMAP) {
    // Write UV2's

    ASSERT(LightmapInfoRemap[fp->lmi_handle] != BAD_LMI_INDEX);
    cf_WriteShort(ofile, (uint16_t)LightmapInfoRemap[fp->lmi_handle]);

    for (i = 0; i < fp->num_verts; i++) {
      cf_WriteFloat(ofile, fp->face_uvls[i].u2);
      cf_WriteFloat(ofile, fp->face_uvls[i].v2);
    }
  }

  if (fp->light_multiple == 186) {
    fp->light_multiple = 4; // Get Jason, I'm looking for this bug!  Its safe to go past it, but I'm just on the lookout
    mprintf(0, "Bogus light multiple detected...bashing!\n");
  }

  cf_WriteByte(ofile, fp->light_multiple);

  if (fp->special_handle != BAD_SPECIAL_FACE_INDEX) {
    // Write out special face stuff
    uint8_t smooth = 0;
    cf_WriteByte(ofile, 1);
    cf_WriteByte(ofile, SpecialFaces[fp->special_handle].type);
    cf_WriteByte(ofile, 4);