// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Linked operation acknowledgment pulse
// Not compiled or tested in-world
// Setup: Root named job_controller sends code 8053 and success or failure. Owner-touch arms/disarms this particle-free child.
// Stop / restore: Owner-touch or choose Off as described; let finite pulses expire. Clear particles before removal. These examples cannot recover a pre-existing particle system.
// Notes: Use an otherwise particle-free prim. Particle systems persist independently of scripts. This is an indicator only; it does not know whether a job actually succeeded. Rate-limited to one pulse per second.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Not compiled or tested in-world.
integer armed;
float next;
default
{
    touch_start(integer n)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        armed=!armed;
        llParticleSystem([]);
        llSetTimerEvent(0.0);
    }
    link_message(integer sender,integer code,string s,key data)
    {
        if(!armed||sender!=1||llGetLinkName(1)!="job_controller"||code!=8053||llGetTime()<next)return;
        vector color;
        if(s=="success")color=<0.2,1.0,0.3>;
        else if(s=="failure")color=<1.0,0.3,0.2>;
        else return;
        next=llGetTime()+1.0;
        llParticleSystem([PSYS_PART_FLAGS,PSYS_PART_EMISSIVE_MASK|PSYS_PART_INTERP_COLOR_MASK,PSYS_SRC_PATTERN,PSYS_SRC_PATTERN_EXPLODE,PSYS_PART_START_COLOR,color,PSYS_PART_START_ALPHA,0.8,PSYS_PART_END_ALPHA,0.0,PSYS_PART_START_SCALE,<0.06,0.06,0.0>,PSYS_PART_MAX_AGE,0.7,PSYS_SRC_BURST_PART_COUNT,3,PSYS_SRC_BURST_SPEED_MIN,0.1,PSYS_SRC_BURST_SPEED_MAX,0.3,PSYS_SRC_MAX_AGE,0.1]);
        llSetTimerEvent(1.0);
    }
    timer()
    {
        llParticleSystem([]);
        llSetTimerEvent(0.0);
    }
    changed(integer change)
    {
        if(change&CHANGED_LINK)
        {
            armed=FALSE;
            llParticleSystem([]);
            llSetTimerEvent(0.0);
        }
    }
}