// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Fictional weather chain
// Not compiled or tested in-world
// Setup: Enter step or ten. This creates fictional weather, not a forecast. Owner-touch initializes; enter reset to restart. Text input closes after90seconds.
// Stop / restore: Close or ignore the text box, or remove the script. It changes no world objects, avatar state or inventory.
// Notes: Original bounded, manually stepped educational toy. Not a calibrated simulator, real-world control system, or live scientific measurement. Probabilities are invented. Shows the difference between independent random selection and a process with state memory.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Not compiled or tested in-world.
integer channel;
integer handle;
integer weatherState;
list history;
close()
{
    if(handle)llListenRemove(handle);
    handle=0;
    llSetTimerEvent(0.0);
}
start()
{
    weatherState=0;
    history=["clear"];
}
string view()
{
    return "Recent fictional states: "+llDumpList2String(history," > ");
}
show()
{
    llOwnerSay(view());
    if(!handle)
    {
        channel=-1000-(integer)llFrand(1000000.0);
        handle=llListen(channel,"",llGetOwner(),"");
    }
    llTextBox(llGetOwner(),"Enter step or ten. This creates fictional weather, not a forecast. Type reset to restart.",channel);
    llSetTimerEvent(90.0);
}
default
{
    touch_start(integer n)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        close();
        start();
        show();
    }
    listen(integer incomingChannel,string name,key id,string s)
    {
        if(!handle||incomingChannel!=channel||id!=llGetOwner())return;
        s=llToLower(llStringTrim(s,STRING_TRIM));
        if(s=="reset")start();
        else
        {
            integer count=0;
            if(s=="step")count=1;
            else if(s=="ten")count=10;
            integer i;
            for(i=0;i<count;++i)
            {
                float r=llFrand(1.0);
                if(weatherState==0)
                {
                    if(r<0.7)weatherState=0;
                    else weatherState=1;
                }
                else if(weatherState==1)
                {
                    if(r<0.3)weatherState=0;
                    else if(r<0.7)weatherState=1;
                    else weatherState=2;
                }
                else
                {
                    if(r<0.6)weatherState=2;
                    else weatherState=1;
                }
                history+=[llList2String(["clear","cloud","rain"],weatherState)];
                if(llGetListLength(history)>12)history=llDeleteSubList(history,0,0);
            }
        }
        show();
    }
    timer()
    {
        close();
    }
}