// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Named build position bookmarks
// Not compiled or tested in-world
// Setup: Place in your own object and touch. Enter save|name, get|name, or list. Up to eight bookmarks.
// Stop / restore: Remove or reset to erase session data. Input listeners close after one reply or after 45 seconds.
// Notes: Data lives only in script memory and is lost on reset. No visitors are logged and no external requests are sent. Stores region name and position only; never teleports or moves an object. Useful for your own build notes, not tracking people.
// License: see LICENSE in this distribution.
// Original Incoprea example. MIT.
list names;
list places;
integer handle;
integer channel;
closeInput()
{
    if(handle)llListenRemove(handle);
    handle=0;
    llSetTimerEvent(0);
}
respond(string input)
{
    input=llStringTrim(input,STRING_TRIM);
    if(llStringLength(input)>200)
    {
        llOwnerSay("Use at most 200 characters.");
        return;
    }
    if(input=="list")
    {
        llOwnerSay(llDumpList2String(names,", "));
        return;
    }
    list p=llParseStringKeepNulls(input,["|"],[]);
    if(llGetListLength(p)!=2 || llList2String(p,1)=="")
    {
        llOwnerSay("Use save|name or get|name.");
        return;
    }
    string name=llList2String(p,1);
    integer index=llListFindList(names,[name]);
    if(llList2String(p,0)=="get")
    {
        if(index==-1)llOwnerSay("Unknown bookmark.");
        else llOwnerSay(name+": "+llList2String(places,index));
        return;
    }
    if(llList2String(p,0)!="save")
    {
        llOwnerSay("Unknown command.");
        return;
    }
    string place=llGetRegionName()+" "+(string)llGetPos();
    if(index==-1)
    {
        if(llGetListLength(names)>=8)
        {
            llOwnerSay("Bookmark list full.");
            return;
        }
        names += [name];
        places += [place];
    }
    else places=llListReplaceList(places,[place],index,index);
    llOwnerSay("Position bookmarked.");
}
default
{
    touch_start(integer touches)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        closeInput();
        channel=-10000-(integer)llFrand(1000000000);
        handle=llListen(channel,"",llGetOwner(),"");
        llSetTimerEvent(45);
        llTextBox(llGetOwner(),"Enter save|name, get|name, or list. Up to eight bookmarks.",channel);
    }
    listen(integer c,string name,key speaker,string input)
    {
        if(c!=channel || speaker!=llGetOwner())return;
        closeInput();
        respond(input);
    }
    timer()
    {
        closeInput();
        llOwnerSay("Input closed.");
    }
    changed(integer flags)
    {
        if(flags & CHANGED_OWNER)llResetScript();
    }
}