// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Hinge-centered child door
// Not compiled or tested in-world
// Setup: Use a nonphysical linked build. The door must be a child whose actual pivot is at the hinge (for example, a mesh with a hinge-centered origin). Put this script in that door while closed. A normal centered cube will spin around its middle.
// Stop / restore: Touch once more to close before disabling or removing. Reset only while closed; the saved pose is held in script memory.
// Notes: Rotation is about the door’s local Z axis. Does not change physics or provide access security. Do not relink while open.
// License: see LICENSE in this distribution.
// Original Incoprea example. MIT. Not compiled or tested in-world.
rotation closed;
integer opened;
default
{
    state_entry()
    {
        closed = llGetLocalRot();
        if (llGetLinkNumber() < 2) llOwnerSay("Put this in a child door prim.");
    }
    touch_start(integer count)
    {
        if (llDetectedKey(0) != llGetOwner() || llGetLinkNumber() < 2) return;
        if (llGetStatus(STATUS_PHYSICS))
        {
            llOwnerSay("Use a nonphysical build.");
            return;
        }
        opened = !opened;
        rotation target = closed;
        if (opened) target = llEuler2Rot(<0.0, 0.0, PI_BY_TWO>) * closed;
        llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_ROT_LOCAL, target]);
    }
}