// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Three-stop child rail
// Not compiled or tested in-world
// Setup: Use a nonphysical child. Edit STOPS as offsets from its startup location; keep the first entry ZERO_VECTOR.
// Stop / restore: Cycle until Home restored before removing or resetting. Do not relink while offset.
// Notes: Use a small nonphysical rezzed build with room around it. This changes real geometry, not just a viewer effect. Restore before reset, relink, or removal; a script-memory snapshot is not a permanent backup. A step is immediate. Use short offsets within the link limits.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Not compiled or tested in-world.
list STOPS=[ZERO_VECTOR,<0.5,0.0,0.0>,<0.5,0.5,0.0>];
integer index;
vector home;
default
{
    state_entry()
    {
        home=llGetLocalPos();
    }
    touch_start(integer count)
    {
        if(llDetectedKey(0)!=llGetOwner()||llGetLinkNumber()<2||llGetStatus(STATUS_PHYSICS)||!llGetListLength(STOPS))return;
        index=(index+1)%llGetListLength(STOPS);
        llSetLinkPrimitiveParamsFast(LINK_THIS,[PRIM_POS_LOCAL,home+llList2Vector(STOPS,index)]);
        if(!index)llOwnerSay("Home restored.");
    }
}