Function LGSVisEffects

Descent3/loadstate.cpp:735–776

save viseffects

// save viseffects
int LGSVisEffects(CFILE *fp) {
  int16_t i, count = 0;

  gs_ReadShort(fp, count);

  // reassemble viseffect list.
  for (i = 0; i < count; i++) {
    int roomnum, v;
    vis_effect vis;

    cf_ReadBytes((uint8_t *)&vis, sizeof(vis_effect), fp);
    roomnum = vis.roomnum;

    // Check for old struct, and if found, fix it
    if ((vis.type != VIS_FIREBALL) || (roomnum == -1) ||
        (!ROOMNUM_OUTSIDE(roomnum) && ((roomnum > Highest_room_index) || !Rooms[roomnum].used)) ||
        ((ROOMNUM_OUTSIDE(roomnum) && (CELLNUM(roomnum) > 65535)))) {
      old_vis_effect old_vis;

      // Copy new into old
      memcpy((uint8_t *)&old_vis, (uint8_t *)&vis, sizeof(vis_effect));

      // Read extra data from old
      cf_ReadBytes(((uint8_t *)&old_vis) + sizeof(vis_effect), sizeof(old_vis_effect) - sizeof(vis_effect), fp);

      // Copy from old to new struct
      CopyVisStruct(&vis, &old_vis);

      // Reset new room number
      roomnum = vis.roomnum;
    }

    vis.roomnum = vis.prev = vis.next = -1;
    v = VisEffectAllocate();
    if (v >= 0) { // DAJ -1FIX
      memcpy(&VisEffects[v], &vis, sizeof(vis_effect));
      VisEffectLink(v, roomnum);
    }
  }

  return LGS_OK;
}

// players
int LGSPlayers(CFILE *fp) {