// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Child position nudge menu
// Not compiled or tested in-world
// Setup: Put in a nonphysical child; owner-touch opens X/Y/Z step buttons and Home.
// Stop / restore: Use the Restore or Home action described in setup before removing or resetting if you want the startup appearance. Menu listeners expire after 45 seconds.
// Notes: Local owner-only control. Saved snapshots live in script memory and are lost on reset. Actual geometry moves. Keep within link distances and do not relink while offset.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Not compiled or tested in-world.
integer channel;
integer handle;
close()
{
    if(handle)llListenRemove(handle);
    handle=0;
    llSetTimerEvent(0.0);
}
menu(string prompt,list buttons)
{
    if(!handle)
    {
        channel=-1000-(integer)llFrand(1000000.0);
        handle=llListen(channel,"",llGetOwner(),"");
    }
    llDialog(llGetOwner(),prompt,buttons,channel);
    llSetTimerEvent(45.0);
}
vector home;
init()
{
    home=llGetLocalPos();
}
show()
{
    menu("Child position: 5 cm root-local steps",["X+","X-","Y+","Y-","Z+","Z-","Home"]);
}
choose(string s)
{
    if(llGetLinkNumber()<2||llGetStatus(STATUS_PHYSICS))
    {
        llOwnerSay("Use a nonphysical child.");
        close();
        return;
    }
    vector p=llGetLocalPos();
    if(s=="Home")p=home;
    else if(s=="X+")p.x+=0.05;
    else if(s=="X-")p.x-=0.05;
    else if(s=="Y+")p.y+=0.05;
    else if(s=="Y-")p.y-=0.05;
    else if(s=="Z+")p.z+=0.05;
    else if(s=="Z-")p.z-=0.05;
    else return;
    llSetLinkPrimitiveParamsFast(LINK_THIS,[PRIM_POS_LOCAL,p]);
    show();
}
default
{
    state_entry()
    {
        init();
    }
    touch_start(integer n)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        close();
        show();
    }
    listen(integer ch,string name,key id,string message)
    {
        if(!handle||ch!=channel||id!=llGetOwner())return;
        choose(message);
    }
    timer()
    {
        close();
    }
    changed(integer change)
    {
        if(change&CHANGED_OWNER)llResetScript();
    }
}