Lava crap

Script 1 ENTER
{
  str texture[XXXXX] = { "texture_name_1", "texture_name_2", "texture_name_3", etc. }
  int texture_check, i;
  while(true)
  {
    texture_check = 0;
    if(GetActorProperty(0, APROP_Waterlevel) >= 3) /* if submerged */
    {
      for (i = 0; i < XXXXX; i++ ) /* loop that checks all listed textures above to see if on one */
      {
        if(CheckActorFloorTexture(0, texture[i])
        {
          ++texture_check;
        }
      }
      if(texture_check)
      {
        /* do the give item stuff or whatever you want here */
      }
    }
  }
}