How to assign values to a structure based variables recursively.

I am running a simulation which is random data based so I have every time different data set. It has a structure variable identity which search the id based on the index of a the Identity array.

Like ID = 1 starts the search and find 32,55,71,92,99 and so... then step 1 output IDs start their individual search, like 32 separately, 55 separately,71 separately and so on then I have to assign (data and state = 1)to the intersection of their outputs in step2 and then Step 2 IDs start their search and then I will assign their intersection assign (data and state = 1)to the intersection of their outputs in step3 and then it continue until all random data points have (data and state = 1).

I have done till step 2 but when i assigned (data and state = 1) the loop goes on forever..? Can anyone give simple hint to solve this issue.

if true
   for i = numel(random_points)
   nid = find(hamming>0 & hamming<50);
   for i = 1 : numel(nid)
    if (vec(nid(s)).state ==0)
       vec(nid(s)).data = 1;
       vec(nid(s)).state  = 1;
    end
   end
end 
end