// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Compare sequence numbers across wrap
// Not compiled or tested in-world
// Setup: Place in a spare owned prim. Set CURRENT and CANDIDATE from0 to65535. Owner touch runs the local demonstration.
// Stop / restore: Disable/remove. No external requests or scene changes occur; reset clears memory.
// Notes: A distance of exactly32768 is ambiguous. The method assumes updates never get more than half the sequence space apart.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Local owner-only protocol laboratory.
integer CURRENT=65532;
integer CANDIDATE=3;
default
{
    touch_start(integer detectedCount)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        if(CURRENT<0||CURRENT>65535||CANDIDATE<0||CANDIDATE>65535)
        {
            llOwnerSay("Use16-bit sequence numbers.");
            return;
        }
        integer delta=(CANDIDATE-CURRENT)&65535;
        string result="older";
        if(delta==0)result="same";
        else if(delta==32768)result="ambiguous half-range";
        else if(delta<32768)result="newer";
        llOwnerSay("Candidate is "+result+"; modular distance="+(string)delta);
    }
}