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Sleeping
File size: 103,482 Bytes
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<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
<title>NIGHTWAVE 98.6</title>
<!--
====================================================================
NIGHTWAVE — "THE WAKING SET".
A self-contained skeuomorphic 1970s analog radio whose single backlit
slide-rule dial-glass is the tuner, the now-playing plate, AND the
surface Sam Dusk's voice prints itself onto (the "ignition trail").
Pure HTML / CSS / Canvas / SVG / Web Audio. No external assets except
the Google webfonts below — all of which fall back to system fonts.
Works both at top-level (devserver) AND inside <iframe srcdoc>.
The DJ, the music, and the calls are all live. The signal meter reflects
how well you are tuned to the station (98.6).
-->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Marcellus+SC&family=Fraunces:ital,opsz,wght@0,9..144,300..600;1,9..144,300..500&family=Space+Mono:wght@400;700&display=swap" rel="stylesheet">
<style>
/* ===================================================================
1. PALETTE & GLOBALS
=================================================================== */
:root{
--walnut-0:#1C0F08; /* deep matte body */
--walnut-1:#2b1a10;
--walnut-2:#1d1109;
--walnut-3:#140b05;
--walnut-mid:#5A3418; /* figured grain mid */
--ember:#ff7a18; /* live word ignition + needle */
--amber:#ffb347;
--amber-dim:#c87a2a;
--filament:#FFB347; /* backlight glow + warm-up */
--ivory:#f6e7c8;
--ivory-dim:#b9a884;
--dial-ivory:#F3E4C0; /* backlit celluloid (lit) */
--foxed:#9C8E73; /* ghosted prior lines */
--metal-hi:#d8d2c4;
--metal-mid:#8d8678;
--metal-lo:#3c382f;
--brass:#B8893C; /* aged metal trim */
--brass-hi:#e7c98a;
--brass-dark:#5a3b15;
--teal:#3FB8C4; /* the ONE cool note: 98.6 lock */
--ink:#1d1107; /* engraved text on brass */
--on-air:#ff5a2c;
/* mood-driven accent (overwritten by JS) */
--mood:#ffb347;
--mood-soft:#ffd79b;
--dial-glow: 0.0; /* 0..1 signal clarity, drives glow intensity */
--warm: 0; /* 0..1 power-on warm-up progress (JS) */
--lock: 0; /* 0..1 carrier lock (JS) */
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;min-height:100%}
body{
font-family:"Fraunces",Georgia,"Times New Roman",serif;
color:var(--dial-ivory);
background:
radial-gradient(125% 95% at 50% -8%, #241813 0%, #110a05 52%, #050302 100%);
display:flex;align-items:center;justify-content:center;
min-height:100vh;overflow-x:hidden;padding:34px 18px;
user-select:none;-webkit-user-select:none;
}
/* warm lamp glow that breathes behind the set; dips/swells with warm-up */
.room-lamp{
position:fixed;inset:0;pointer-events:none;z-index:0;
background:radial-gradient(44% 40% at 50% 30%,
rgba(255,160,70, calc(0.06 + 0.22*var(--warm))) 0%,
rgba(255,120,40,0.05) 44%, transparent 72%);
transition:opacity .8s ease;
}
body.powered .room-lamp{ opacity:1; }
body.intimate .room-lamp{ /* direct_address: dim the room */
opacity:.45;
}
/* ===================================================================
2. STAGE + CABINET (figured walnut, perspective, feet)
=================================================================== */
.stage{position:relative;z-index:1;perspective:1700px}
.cabinet{
position:relative;
width:min(94vw, 860px);
transform:rotateX(4deg);
transform-origin:50% 100%;
padding:22px 26px 26px;
border-radius:14px;
background:
linear-gradient(90deg, rgba(255,220,150,.06), transparent 18%, rgba(0,0,0,.14) 52%, transparent 82%, rgba(255,220,150,.04)),
radial-gradient(130% 110% at 30% 0%, var(--walnut-mid) 0%, var(--walnut-1) 46%, var(--walnut-0) 100%);
box-shadow:
inset 0 2px 0 rgba(255,211,145,.16),
inset 0 -38px 72px rgba(0,0,0,.55),
0 40px 80px -18px rgba(0,0,0,.9);
border:1px solid rgba(255,200,140,.08);
}
/* figured-walnut grain via SVG turbulence (gallery-grade, not flat gradients) */
.cabinet::before{
content:"";position:absolute;inset:0;border-radius:14px;pointer-events:none;
background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.012 0.09' numOctaves='3' seed='7'/><feColorMatrix type='matrix' values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23g)'/></svg>");
background-size:520px 100%;
mix-blend-mode:overlay;opacity:.5;
}
/* rubber feet */
.foot{position:absolute;bottom:-13px;width:104px;height:20px;border-radius:0 0 7px 7px;
background:linear-gradient(180deg,#4a3420 0%,#241710 55%,#0c0805 100%);
border:1px solid rgba(0,0,0,.55);border-top:none;
box-shadow:0 12px 20px rgba(0,0,0,.6), inset 0 2px 0 rgba(255,214,150,.22), inset 0 -3px 5px rgba(0,0,0,.55)}
.foot.l{left:88px}.foot.r{right:88px}
/* inset faceplate */
.bezel{
position:relative;
border-radius:10px;
padding:18px;
background:linear-gradient(180deg, #160d06, #0c0703);
border:1px solid rgba(181,138,58,.3);
box-shadow:
inset 0 0 0 1px rgba(255,228,177,.05),
inset 0 16px 40px rgba(0,0,0,.5);
}
/* ===================================================================
3. HEADER — brushed-brass strip, engraved wordmark, FM, ON AIR tube
=================================================================== */
.topband{
display:flex;align-items:center;justify-content:space-between;gap:14px;
padding:9px 16px;margin-bottom:14px;border-radius:7px;
background:
repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, rgba(0,0,0,.05) 2px 3px),
linear-gradient(180deg, var(--brass-hi) 0%, var(--brass) 46%, var(--brass-dark) 100%);
border:1px solid rgba(0,0,0,.5);
box-shadow:0 1px 1px rgba(255,255,255,.4) inset, 0 -2px 3px rgba(0,0,0,.4) inset, 0 2px 6px rgba(0,0,0,.4);
}
.brandplate{display:flex;align-items:baseline;line-height:1}
.brandplate .name{
font-family:"Marcellus SC",Georgia,serif;
font-size:23px;letter-spacing:.30em;color:var(--ink);
/* engraved into the brass */
text-shadow:0 1px 0 rgba(255,240,200,.45), 0 -1px 1px rgba(0,0,0,.55);
}
.brandplate .sub{
font-family:"Space Mono",monospace;font-size:12px;letter-spacing:.12em;color:#3a2a12;
padding-left:12px;border-left:1px solid rgba(0,0,0,.3);margin-left:12px;
}
.topband .right{display:flex;align-items:center;gap:14px}
.hostplate{
font-family:"Marcellus SC",Georgia,serif;font-size:9.5px;letter-spacing:.22em;color:#2b2114;
padding:5px 10px;border-radius:3px;
background:linear-gradient(180deg,#d6c39a,#7a6240);
border:1px solid rgba(0,0,0,.5);box-shadow:inset 0 1px 0 rgba(255,255,255,.4);
}
/* ON AIR tube */
.onair{display:flex;align-items:center;gap:8px}
.onair .tube{
width:13px;height:13px;border-radius:50%;
background:radial-gradient(circle at 35% 30%, #5a2a1a, #2a0f08);
box-shadow:0 0 0 1px rgba(0,0,0,.5) inset;
transition:background .3s, box-shadow .3s;
}
.onair .label{
font-family:"Space Mono",monospace;font-size:10px;letter-spacing:.28em;font-weight:700;color:#3a2a12;
transition:color .3s, text-shadow .3s;
}
body.broadcasting .onair .tube{
background:radial-gradient(circle at 35% 30%, #ffd0a0, var(--on-air));
box-shadow:0 0 10px var(--on-air), 0 0 22px rgba(255,90,44,0.6), 0 0 0 1px rgba(0,0,0,0.4) inset;
}
body.broadcasting .onair .label{
color:#2a1c0c;text-shadow:0 0 7px rgba(255,150,80,.6);
}
/* ===================================================================
4. THE HERO — one wide backlit slide-rule DIAL-GLASS that talks
=================================================================== */
.dialwrap{position:relative;border-radius:9px}
.dial-frame{
position:relative;border-radius:9px;overflow:hidden;
height:300px;
border:1px solid rgba(0,0,0,.6);
background:
linear-gradient(180deg, rgba(20,12,6,.9), rgba(10,6,3,.96));
box-shadow:inset 0 0 0 1px rgba(255,228,177,.05), inset 0 22px 50px rgba(0,0,0,.6);
cursor:ew-resize;
touch-action:none;
}
/* backlit celluloid — intensity follows warm-up */
.dial-light{
position:absolute;inset:0;pointer-events:none;z-index:1;
background:
radial-gradient(120% 150% at var(--needle-x,50%) 120%, rgba(255,179,71, calc(.22*var(--warm) + .30*var(--dial-glow))) 0%, transparent 60%),
linear-gradient(180deg, rgba(243,228,192, calc(.05*var(--warm))) 0%, rgba(255,179,71, calc(.10*var(--warm))) 100%);
mix-blend-mode:screen;
transition:opacity .3s;
}
/* filament bloom mask used only during warm-up (radius driven by --warm) */
.filament{
position:absolute;inset:0;pointer-events:none;z-index:1;opacity:calc(1 - var(--lock));
background:radial-gradient(circle at 50% 78%,
rgba(255,200,120, calc(.5*var(--warm))) 0%,
rgba(255,160,70, calc(.18*var(--warm))) calc(8% + 60%*var(--warm)),
transparent calc(20% + 70%*var(--warm)));
mix-blend-mode:screen;
}
/* glass reflection + dust (dd.md polish) */
.sheen{
position:absolute;inset:0;pointer-events:none;z-index:6;mix-blend-mode:screen;
background:
linear-gradient(106deg, rgba(255,255,255,.16) 0%, rgba(255,255,255,.05) 16%, transparent 19% 70%, rgba(255,255,255,.05) 72%, transparent 80%),
radial-gradient(80% 60% at 50% 0%, rgba(255,245,210,.06), transparent 65%);
}
.sheen .dust{
position:absolute;inset:0;opacity:.16;
background:
radial-gradient(circle at 17% 34%, #fff 0 1px, transparent 1.5px),
radial-gradient(circle at 68% 58%, #fff 0 1px, transparent 1.5px),
radial-gradient(circle at 45% 18%, #fff 0 1px, transparent 1.5px);
}
/* frequency scale across the top of the glass (built by JS) */
.dial-canvas{position:absolute;top:0;left:0;right:0;height:46px;width:100%;z-index:2;pointer-events:none}
/* the tuning needle */
.needle{
position:absolute;top:0;bottom:0;width:2px;left:50%;
transform:translateX(-50%);
background:linear-gradient(180deg, var(--ember), rgba(255,122,24,.15));
box-shadow:0 0 7px rgba(255,122,24,0.8);
z-index:5;outline:none;
}
.needle::after{ /* knob grip at top */
content:"";position:absolute;top:5px;left:50%;transform:translateX(-50%);
width:8px;height:8px;border-radius:50%;
background:var(--ember);box-shadow:0 0 9px var(--ember);
}
.needle:focus-visible{box-shadow:0 0 0 2px #fff, 0 0 14px var(--amber)}
.dial-frame:focus-within .needle::after{outline:2px solid var(--amber);outline-offset:2px}
/* freq readout printed on the glass, Space Mono */
.freq-readout{
position:absolute;left:16px;top:10px;z-index:5;
font-family:"Space Mono",monospace;
font-variant-numeric:tabular-nums;
font-size:12px;font-weight:700;letter-spacing:.06em;
color:rgba(243,228,192, calc(.45 + .5*var(--warm)));
}
/* the ONE cool accent: teal "LOCKED" cue at perfect 98.6 lock */
.lockchip{
position:absolute;right:14px;top:10px;z-index:5;
font-family:"Space Mono",monospace;
font-size:10px;letter-spacing:.2em;font-weight:700;
color:var(--teal);text-shadow:0 0 10px rgba(63,184,196,.7);
opacity:0;transition:opacity .3s;
}
.dialwrap.locked .lockchip{opacity:1}
/* the printed transcript: Sam Dusk's voice, on the glass (the ignition trail) */
.transcript{
position:absolute;left:0;right:0;top:54px;bottom:46px;z-index:3;
display:flex;flex-direction:column;justify-content:flex-end;
padding:0 34px;gap:9px;overflow:hidden;
-webkit-mask-image:linear-gradient(180deg, transparent 0, #000 22%, #000 100%);
mask-image:linear-gradient(180deg, transparent 0, #000 22%, #000 100%);
}
.line{
font-family:"Fraunces",Georgia,serif;font-weight:380;font-size:24px;line-height:1.34;
color:var(--foxed);opacity:0;transform:translateY(8px);
transition:opacity 1.1s ease, transform 1.1s ease, color 1.1s ease;
text-wrap:balance;
}
.line.in{opacity:1;transform:translateY(0)}
.line.past{color:var(--foxed);opacity:.5}
.line.current{color:var(--dial-ivory)}
.line .w{opacity:.18;filter:blur(2px);
transition:opacity .5s ease, filter .5s ease, color .5s ease, text-shadow .5s ease}
.line .w.spoken{opacity:1;filter:blur(0);color:var(--ember);text-shadow:0 0 16px rgba(255,122,24,.55)}
.line .w.said{opacity:1;filter:blur(0);color:var(--dial-ivory);text-shadow:none}
.line.status{font-family:"Space Mono",monospace;font-size:14px;font-weight:400;
letter-spacing:.06em;color:var(--amber);opacity:1;transform:none}
.line.fragment{font-style:italic;color:var(--foxed);filter:blur(.3px);letter-spacing:.08em;opacity:1;transform:none}
.line .caller-said{display:block;font-family:"Space Mono",monospace;
font-size:11px;color:var(--foxed);letter-spacing:.03em;margin-bottom:6px}
/* now-playing, printed on the glass in mono */
.nowplaying{
position:absolute;left:34px;right:34px;bottom:14px;z-index:4;
display:flex;align-items:center;gap:9px;
font-family:"Space Mono",monospace;font-size:12px;letter-spacing:.02em;
color:rgba(243,228,192, calc(.35 + .5*var(--warm)));
}
.nowplaying .np-eq{display:inline-flex;gap:2px;align-items:flex-end;height:11px;opacity:.35}
.nowplaying.playing .np-eq{opacity:1}
.nowplaying .np-eq i{width:3px;height:4px;background:var(--ember);border-radius:1px;box-shadow:0 0 6px var(--ember)}
.nowplaying.playing .np-eq i{animation:eq .9s ease-in-out infinite}
.nowplaying.playing .np-eq i:nth-child(2){animation-delay:.15s}
.nowplaying.playing .np-eq i:nth-child(3){animation-delay:.30s}
.nowplaying.playing .np-eq i:nth-child(4){animation-delay:.45s}
@keyframes eq{0%,100%{height:4px}50%{height:11px}}
.nowplaying .np-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nowplaying.playing .np-text{color:var(--amber)}
.nowplaying .np-req{color:var(--brass)}
/* ===================================================================
5. CONTROL DECK (grille + analog VU, reels, power, handset, signal)
=================================================================== */
.deck{
display:grid;
grid-template-columns:1.15fr .9fr 1.05fr;
gap:14px;align-items:stretch;margin-top:14px;
}
.panel{
position:relative;border-radius:9px;padding:12px;
background:linear-gradient(180deg,#1b110a,#0c0703);
border:1px solid rgba(255,214,154,.10);
box-shadow:inset 0 2px 8px rgba(0,0,0,.6), inset 0 0 0 1px rgba(255,214,154,.03);
display:flex;flex-direction:column;align-items:center;gap:10px;
}
.panel .cap{
font-family:"Space Mono",monospace;font-size:9px;letter-spacing:.26em;color:#8a7350;text-align:center;
}
/* speaker grille (perforated cloth) */
.speaker-grille{
width:100%;flex:1;min-height:62px;border-radius:6px;
background:
radial-gradient(circle, rgba(246,231,200,.34) 0 1px, transparent 1.5px) 0 0 / 9px 9px,
linear-gradient(180deg,#241710,#0d0805);
border:1px solid rgba(255,214,154,.10);
box-shadow:inset 0 2px 8px rgba(0,0,0,.65), inset 0 0 0 1px rgba(255,214,154,.03);
}
/* analog VU meter canvas */
.vu-canvas{display:block;width:100%;height:74px;border-radius:6px}
/* tape reels */
.reels{display:flex;gap:18px;align-items:center;justify-content:center}
.reel{
position:relative;width:46px;height:46px;border-radius:50%;
background:
repeating-conic-gradient(from 0deg, rgba(255,220,160,.22) 0 2.5deg, transparent 2.5deg 120deg),
radial-gradient(circle at 50% 50%, #20140c 0 10px, #3a2616 11px 13px, #18100a 14px);
border:1px solid rgba(255,214,154,.12);
box-shadow:0 4px 10px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,200,140,0.06) inset;
}
.reel::before{
content:"";position:absolute;inset:6px;border-radius:50%;border:1px dashed rgba(255,214,154,.18);
}
.reel .hub{
position:absolute;inset:17px;border-radius:50%;
background:radial-gradient(circle at 40% 35%, var(--metal-hi), var(--metal-lo));
}
/* tape reels turn the whole time the deck is on (powered), not just over voice */
body.broadcasting .reel{animation:spin 3.2s linear infinite}
body.broadcasting .reel.rev{animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
/* power knob — the ritual object */
.power-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;justify-content:center;flex:1}
.power-knob{
position:relative;width:96px;height:96px;border-radius:50%;
cursor:pointer;border:none;padding:0;
background:radial-gradient(circle at 38% 32%, #6a5238 0%, #3a2a18 46%, #1a120a 100%);
border:1px solid rgba(0,0,0,.6);
box-shadow:0 8px 18px rgba(0,0,0,.6), inset 0 2px 3px rgba(255,220,170,.25), inset 0 -8px 16px rgba(0,0,0,.6);
transition:transform .5s cubic-bezier(.34,1.56,.64,1), box-shadow .3s ease;
color:var(--ivory-dim);
}
.power-knob::after{ /* pointer notch */
content:"";position:absolute;top:9px;left:50%;width:4px;height:26px;margin-left:-2px;
border-radius:3px;background:linear-gradient(180deg,var(--ivory-dim),#7a4a14);
box-shadow:0 0 4px rgba(0,0,0,0.6);transition:background .3s, box-shadow .3s;
}
.power-knob .pwr-txt{
position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);white-space:nowrap;
font-family:"Space Mono",monospace;font-size:9px;letter-spacing:.18em;font-weight:700;
pointer-events:none;color:#8a7350;
}
.power-knob:hover{box-shadow:0 9px 20px rgba(0,0,0,.65), inset 0 2px 3px rgba(255,220,170,.3), inset 0 -8px 16px rgba(0,0,0,.6)}
.power-knob:focus-visible{outline:2px solid var(--filament);outline-offset:6px}
body.powered .power-knob{transform:rotate(28deg)}
body.powered .power-knob::after{background:linear-gradient(180deg,#fff,var(--ember));box-shadow:0 0 10px var(--ember),0 0 18px rgba(255,90,44,0.6)}
body.powered .power-knob .pwr-txt{transform:translateX(-50%) rotate(-28deg);color:#ffd2b0}
/* signal-integrity gauge (diegetic SIGNAL meter) */
.gauge-wrap{display:flex;flex-direction:column;align-items:stretch;gap:6px;justify-content:center;width:100%}
.gauge{
position:relative;width:100%;height:11px;border-radius:6px;
background:linear-gradient(180deg, rgba(0,0,0,.5), rgba(255,255,255,.05));overflow:hidden;
box-shadow:0 0 0 1px rgba(0,0,0,0.55) inset, inset 0 1px 2px rgba(0,0,0,.5);
}
.gauge .ticks{display:none}
.gauge .fill{
position:absolute;left:0;top:0;bottom:0;width:0%;
background:linear-gradient(90deg, var(--ember), var(--filament));
box-shadow:0 0 10px rgba(255,150,70,.5);
transition:width .6s cubic-bezier(.2,.7,.2,1), background .6s;
}
.gauge .stagedot{
position:absolute;top:50%;width:6px;height:6px;border-radius:50%;margin-top:-3px;
background:#fff;box-shadow:0 0 8px #fff;left:0;transition:left .6s;
}
/* teal tint of the signal bar ONLY at perfect 98.6 lock */
body.locked .gauge .fill{
background:linear-gradient(90deg, var(--filament), var(--teal));
box-shadow:0 0 12px rgba(63,184,196,.6);
}
/* handset / call-in — physical hardware, not an app pill */
.handset-row{display:flex;flex-direction:column;align-items:center;gap:8px;justify-content:center;width:100%}
.handset{
position:relative;display:flex;align-items:center;gap:10px;justify-content:center;
width:100%;padding:13px 16px;border-radius:8px;cursor:pointer;border:none;
font-family:inherit;color:var(--dial-ivory);
background:linear-gradient(180deg,#231812,#0f0906);
border:1px solid rgba(255,215,160,.16);
box-shadow:inset 0 1px 0 rgba(255,220,170,.08), inset 0 -10px 20px rgba(0,0,0,.55), 0 9px 18px rgba(0,0,0,.55);
transition:transform .12s ease, box-shadow .25s ease;
}
.handset .ic{
width:30px;height:30px;border-radius:7px;
display:flex;align-items:center;justify-content:center;
background:linear-gradient(180deg,#c89b55,#5d3b16);
color:#1d1107;box-shadow:inset 0 1px 0 rgba(255,255,255,.3);
}
.handset .ic svg{width:16px;height:16px}
.handset .ht{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15}
.handset .ht b{font-family:"Space Mono",monospace;font-size:11px;letter-spacing:.16em}
.handset .ht span{font-family:"Space Mono",monospace;font-size:8px;letter-spacing:.18em;color:var(--ivory-dim)}
.handset:disabled{opacity:.4;cursor:not-allowed}
.handset:focus-visible{outline:2px solid var(--filament);outline-offset:4px}
.handset.recording{
background:linear-gradient(180deg,#7a1f12,#3a0d08);
box-shadow:0 0 0 2px var(--on-air), 0 0 26px rgba(255,90,44,0.7);
animation:rec-pulse 1s ease-in-out infinite;
}
.handset.recording .ic{background:linear-gradient(180deg,#ff8a6a,var(--on-air))}
@keyframes rec-pulse{50%{box-shadow:0 0 0 2px var(--on-air),0 0 40px rgba(255,90,44,0.95)}}
/* small ghost buttons (NEXT / captions) — physical rocker hardware */
.minirow{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:14px;flex-wrap:wrap}
.ghost{
font-family:"Space Mono",monospace;font-size:10px;letter-spacing:.16em;font-weight:700;
color:#25180d;cursor:pointer;text-transform:uppercase;
border:1px solid #1b150f;border-radius:4px;padding:8px 14px;
background:linear-gradient(180deg,#d0c5ae 0%,#8f826d 48%,#50483a 100%);
box-shadow:inset 0 1px 0 rgba(255,255,255,.45), inset 0 -2px 3px rgba(0,0,0,.38), 0 3px 8px rgba(0,0,0,.45);
transition:all .2s;
}
.ghost:hover{color:#1b1209;border-color:var(--amber);
box-shadow:inset 0 1px 0 rgba(255,255,255,.5), 0 0 0 2px rgba(255,179,71,.5), 0 4px 10px rgba(0,0,0,.5)}
.ghost:focus-visible{outline:2px solid var(--filament);outline-offset:2px}
.ghost[aria-pressed="true"]{color:#1d1107;background:linear-gradient(180deg,#ffd18b,#b57928);border-color:var(--brass-dark)}
/* info "i" button — sits in the control row, opens the station log */
.ghost-i{
width:34px;height:34px;padding:0;border-radius:50%;
font-family:"Marcellus SC",Georgia,serif;font-size:15px;font-style:italic;
letter-spacing:0;text-transform:none;line-height:1;
display:inline-flex;align-items:center;justify-content:center;
}
/* ===== station-log overlay (every innovation, one line each) ===== */
.innov-scrim{
position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;
padding:24px;opacity:0;transition:opacity .28s ease;
background:radial-gradient(120% 120% at 50% 0%, rgba(20,11,5,.84), rgba(7,4,2,.95));
-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
}
.innov-scrim.open{opacity:1}
.innov-scrim[hidden]{display:none}
.innov-panel{
position:relative;width:min(940px,100%);max-height:88vh;overflow:auto;
padding:30px clamp(20px,4vw,34px) 34px;
background:linear-gradient(180deg,#24160a 0%,#180d05 100%);
border:1px solid var(--brass-dark);border-radius:14px;
box-shadow:0 30px 90px rgba(0,0,0,.62), inset 0 1px 0 rgba(231,201,138,.16);
transform:translateY(14px) scale(.985);transition:transform .28s ease;
}
.innov-scrim.open .innov-panel{transform:none}
.innov-close{
position:absolute;top:12px;right:14px;width:32px;height:32px;border-radius:50%;
border:1px solid var(--brass-dark);background:rgba(255,236,200,.05);color:var(--brass-hi);
font-family:"Space Mono",monospace;font-size:18px;line-height:1;cursor:pointer;transition:all .2s;
}
.innov-close:hover{background:rgba(255,236,200,.12);color:#fff}
.innov-close:focus-visible{outline:2px solid var(--filament);outline-offset:2px}
.innov-eyebrow{
font-family:"Space Mono",monospace;font-size:9.5px;letter-spacing:.34em;font-weight:700;color:var(--brass);
}
.innov-title{
font-family:"Marcellus SC",Georgia,serif;font-weight:400;font-size:clamp(22px,4vw,30px);
letter-spacing:.01em;color:var(--dial-ivory);margin:.32em 0 .12em;
}
.innov-sub{
font-family:"Fraunces",Georgia,serif;font-size:14px;font-style:italic;color:var(--foxed);
max-width:48ch;margin:0;
}
.innov-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:13px;margin-top:24px}
.innov-card{
border:1px solid rgba(184,137,60,.20);border-top:2px solid var(--brass);border-radius:8px;
padding:13px 15px 15px;background:rgba(255,236,200,.028);transition:background .2s,border-color .2s;
}
.innov-card:hover{background:rgba(255,236,200,.06);border-top-color:var(--brass-hi)}
.innov-card .tag{
display:block;font-family:"Space Mono",monospace;font-size:8px;letter-spacing:.24em;font-weight:700;
color:var(--brass);text-transform:uppercase;margin-bottom:7px;
}
.innov-card h3{
font-family:"Marcellus SC",Georgia,serif;font-weight:400;font-size:15px;letter-spacing:.01em;
color:var(--dial-ivory);margin:0 0 6px;
}
.innov-card p{
font-family:"Fraunces",Georgia,serif;font-size:12.5px;line-height:1.42;color:var(--foxed);margin:0;
}
@media (max-width:560px){ .innov-grid{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){ .innov-scrim,.innov-panel{transition:none} }
/* hidden live-region for captions when the glass is too noisy for a screen reader */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
/* ===================================================================
6. MOTION / RESPONSIVE
=================================================================== */
@media (max-width:680px){
body{overflow:auto;align-items:flex-start}
.cabinet{transform:none;width:min(96vw,520px);padding:16px}
.foot{display:none}
.brandplate .name{font-size:17px;letter-spacing:.20em}
.dial-frame{height:260px}
.line{font-size:20px}
.deck{grid-template-columns:1fr 1fr;gap:10px}
.deck .panel:nth-child(2){grid-column:1 / -1;order:-1}
}
@media (prefers-reduced-motion:reduce){
.cabinet{transform:none}
body.broadcasting .reel{animation:none}
.handset.recording{animation:none}
.room-lamp{transition:none}
.line, .line .w{transition:none}
*{scroll-behavior:auto}
}
/* glitch flicker, applied transiently by JS (skipped under reduced-motion) */
.dial-frame.flick{animation:flick .5s steps(2) 1}
@keyframes flick{0%,100%{filter:none}20%{filter:brightness(2.2) hue-rotate(-12deg)}45%{filter:brightness(.4)}70%{filter:brightness(1.8)}}
</style>
</head>
<body>
<div class="room-lamp" aria-hidden="true"></div>
<div class="stage">
<main class="cabinet" role="application" aria-label="NIGHTWAVE analog radio">
<i class="foot l" aria-hidden="true"></i><i class="foot r" aria-hidden="true"></i>
<div class="bezel">
<!-- ===== HEADER: brushed-brass strip ===== -->
<div class="topband">
<div class="brandplate">
<span class="name">NIGHTWAVE</span>
<span class="sub">98.6 FM</span>
</div>
<div class="right">
<span class="hostplate" aria-hidden="true">SAM DUSK · ALL-NIGHT DESK</span>
<div class="onair" role="status" aria-live="polite">
<span class="tube" aria-hidden="true"></span>
<span class="label" id="onairLabel">STANDBY</span>
</div>
</div>
</div>
<!-- ===== THE HERO: backlit slide-rule dial-glass that talks ===== -->
<div class="dialwrap" id="dialwrap">
<div class="dial-frame" id="dialFrame">
<div class="dial-light" id="dialLight" aria-hidden="true"></div>
<div class="filament" aria-hidden="true"></div>
<canvas class="dial-canvas" id="dialCanvas" aria-hidden="true"></canvas>
<span class="freq-readout" id="freqReadout">98.6</span>
<span class="lockchip">98.6 · LOCKED</span>
<div class="needle" id="needle"
role="slider" tabindex="0"
aria-label="Tuning dial, FM frequency"
aria-valuemin="87.5" aria-valuemax="108.0" aria-valuenow="98.6"
aria-valuetext="98.6 megahertz"></div>
<!-- the printed transcript: Sam Dusk's voice prints here -->
<div class="transcript" id="transcript"></div>
<!-- now-playing, printed on the same glass -->
<div class="nowplaying" id="nowPlaying" aria-live="polite">
<span class="np-eq" aria-hidden="true"><i></i><i></i><i></i><i></i></span>
<span class="np-text" id="npText">NIGHTWAVE — all night, every night</span>
</div>
<div class="sheen" aria-hidden="true"><span class="dust"></span></div>
</div>
</div>
<!-- live caption text for assistive tech (the glass is the visual surface) -->
<div class="sr-only" id="caption" role="log" aria-live="polite" aria-atomic="false">
Turn the power knob to tune in…
</div>
<!-- ===== control deck ===== -->
<div class="deck">
<!-- left: speaker grille + analog VU -->
<div class="panel">
<span class="cap">SPEAKER · VU</span>
<div class="speaker-grille" aria-hidden="true"></div>
<canvas class="vu-canvas" id="vuCanvas" width="320" height="74" aria-hidden="true"></canvas>
</div>
<!-- center: power -->
<div class="panel">
<span class="cap">POWER</span>
<div class="power-wrap">
<button class="power-knob" id="powerKnob"
aria-pressed="false" aria-label="Power. Turn on to tune in to NIGHTWAVE.">
<span class="pwr-txt" id="pwrTxt">POWER · OFF</span>
</button>
</div>
</div>
<!-- right: tape reels + handset + signal meter -->
<div class="panel">
<span class="cap">TAPE</span>
<div class="reels" aria-hidden="true">
<div class="reel" id="reelL"><span class="hub"></span></div>
<div class="reel rev" id="reelR"><span class="hub"></span></div>
</div>
<span class="cap">CALL IN</span>
<div class="handset-row">
<button class="handset" id="handset" disabled
aria-label="Call in. Tap to talk to the DJ on the air, tap again to send.">
<span class="ic" aria-hidden="true">
<svg viewBox="0 0 24 24" fill="currentColor"><path d="M6.6 10.8c1.4 2.8 3.8 5.1 6.6 6.6l2.2-2.2c.3-.3.7-.4 1-.2 1.1.4 2.3.6 3.6.6.6 0 1 .4 1 1V20c0 .6-.4 1-1 1C10.6 21 3 13.4 3 4c0-.6.4-1 1-1h3.5c.6 0 1 .4 1 1 0 1.2.2 2.4.6 3.6.1.4 0 .8-.3 1l-2.2 2.2z"/></svg>
</span>
<span class="ht"><b>CALL IN</b><span>TAP TO TALK</span></span>
</button>
</div>
<span class="cap" id="stageCap">SIGNAL</span>
<div class="gauge-wrap">
<div class="gauge" id="gauge" role="meter" aria-label="Signal integrity"
aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">
<div class="ticks" aria-hidden="true"></div>
<div class="fill" id="gaugeFill"></div>
<div class="stagedot" id="gaugeDot" aria-hidden="true"></div>
</div>
</div>
</div>
</div>
<!-- ===== small controls ===== -->
<div class="minirow">
<button class="ghost" id="nextBtn" aria-label="Next segment">⏩ NEXT SEGMENT</button>
<button class="ghost" id="capToggle" aria-pressed="true" aria-label="Toggle captions">CAPTIONS: ON</button>
<button class="ghost ghost-i" id="infoBtn" aria-haspopup="dialog" aria-label="About this station">i</button>
</div>
</div>
</main>
</div>
<!-- station-log overlay: every innovation in the project, one line each -->
<div class="innov-scrim" id="innovScrim" hidden>
<div class="innov-panel" role="dialog" aria-modal="true" aria-labelledby="innovTitle">
<button class="innov-close" id="innovClose" aria-label="Close">×</button>
<div class="innov-eyebrow">NIGHTWAVE · STATION LOG</div>
<h2 class="innov-title" id="innovTitle">What makes this station tick</h2>
<p class="innov-sub">An autonomous late-night AI radio station — one small model running the whole show.</p>
<div class="innov-grid" id="innovGrid"></div>
</div>
</div>
<script>
"use strict";
/* ===================================================================
NIGHTWAVE radio controller — "THE WAKING SET"
Sections:
A. Canonical arc contract (mirrors space/arc.py)
B. State
C. DOM refs
D. Audio engine (one AudioContext, radio chain, hiss bed, VU)
E. Dial / tuning
F. Signal meter (diegetic, tuning-driven)
G. Captions (karaoke ignition trail on the glass)
H. Networking (/api/broadcast, /api/call) with mock fallback
I. Broadcast loop & arc cues
J. Call-in (tap-to-talk)
K. Power-on warm-up, wiring, seed controls, rAF loop
=================================================================== */
/* ---- A. CANONICAL ARC CONTRACT (must match arc.py exactly) -------- */
// Bands: 0-19 oblivious | 20-39 uneasy | 40-59 questioning |
// 60-79 dawning | 80-100 acceptance
function meterToStage(m){
if (m < 20) return "oblivious";
if (m < 40) return "uneasy";
if (m < 60) return "questioning";
if (m < 80) return "dawning";
return "acceptance";
}
const STAGE_MID = { oblivious:10, uneasy:30, questioning:50, dawning:70, acceptance:90 };
const TIME_DRIP_PER_MIN = 6; // contract: client adds 6 pts / minute
const NIGHTWAVE_FREQ = 98.6; // the station
const EGG_FREQ = 87.7; // easter-egg whisper
const LOCK_BAND = 0.35; // +/- MHz that still counts as "tuned in"
const FREQ_MIN = 87.5, FREQ_MAX = 108.0;
// mood -> accent color [main, soft] (dial glow / gauge / marker)
const MOOD_COLOR = {
warm: ["#ffb347","#ffe0b0"],
nostalgic: ["#ff9d5c","#ffd0a0"],
uneasy: ["#d98a4a","#e8b88a"],
searching: ["#c8a06a","#e6d2a8"],
hollow: ["#8fa6b3","#c2d2db"],
tender: ["#ff8a8a","#ffd0d0"]
};
/* ---- B. STATE ----------------------------------------------------- */
const State = {
powered:false,
meter:0,
stage:"oblivious",
freq:NIGHTWAVE_FREQ,
mood:"warm",
captionsOn:true,
busy:false, // a request is in flight
recording:false,
lastVoiceEnd:0, // perf ms when last segment finished (silence loop)
reducedMotion:false,
eggPlayed:false,
songs:null, // curated bank (fetched from /api/songs)
song:null, // current track
songPlayer:null, // {stop, ended} of the playing track
showRunning:false, // the autonomous show loop is active
songPlaying:false, // a generated song is currently sounding (ducks the bed)
pendingBreak:null, // buffered DJ break for the next transition (dead-air gating)
locale:null, // resolved real weather/time/city, or null (fictional fallback)
connecting:false, // caller-intro is playing before the mic opens
sessionMemory:null, // SP1: most recent caller {caller_name,place,topic,mood}
dedicationQueue:[], // SP1: pending caller dedications (cap 2)
recentKinds:[], // SP2: rolling log of content kinds (cap 8) for pacing
breaksSinceCaller:99, // SP2: breaks since last call-in (high = none yet)
lastSegueBreak:-99, // SP2: break index of last voiced through-line
breakIndex:0, // SP2: monotonic break counter
generatedCount:0, // SP3: AI song cards injected this session
demo:false, // SP2: ?demo=1 logs showrunner picks
warming:false // power-on warm-up ritual is in progress (visual only)
};
/* ---- C. DOM refs -------------------------------------------------- */
const $ = (id)=>document.getElementById(id);
const els = {
body: document.body,
power: $("powerKnob"), pwrTxt: $("pwrTxt"),
onairLabel: $("onairLabel"),
dialwrap: $("dialwrap"), dialFrame: $("dialFrame"),
needle: $("needle"), freqReadout: $("freqReadout"),
dialLight: $("dialLight"), dialCanvas: $("dialCanvas"),
transcript: $("transcript"),
vuCanvas: $("vuCanvas"),
reelL: $("reelL"), reelR: $("reelR"),
handset: $("handset"),
gauge: $("gauge"), gaugeFill: $("gaugeFill"), gaugeDot: $("gaugeDot"),
stageCap: $("stageCap"),
nextBtn: $("nextBtn"), capToggle: $("capToggle"),
infoBtn: $("infoBtn"), innovScrim: $("innovScrim"),
innovClose: $("innovClose"), innovGrid: $("innovGrid"),
caption: $("caption"),
nowPlaying: $("nowPlaying"), npText: $("npText")
};
const mql = window.matchMedia("(prefers-reduced-motion: reduce)");
State.reducedMotion = mql.matches;
if (mql.addEventListener) mql.addEventListener("change", e=>{ State.reducedMotion = e.matches; });
// CSS custom-property helpers for the warm-up ritual
function setWarm(v){ document.documentElement.style.setProperty("--warm", v.toFixed(3)); }
function setLock(v){ document.documentElement.style.setProperty("--lock", v.toFixed(3)); }
/* ===================================================================
B2. STATION-LOG OVERLAY — every innovation, one line each ("i" button)
=================================================================== */
const INNOVATIONS = [
{tag:"The host", t:"Autonomous station brain", d:"Sam Dusk runs a continuous live show — IDs, musings, weather, dedications — on his own, never a chatbot."},
{tag:"Music", t:"Songs synthesized live", d:"Every track is generated in your browser from a key, scale, tempo and timbre. No audio files; no two listens alike."},
{tag:"Call-in", t:"Talk back to the radio", d:"Tap to talk and Sam answers you on air — your voice transcribed, answered and spoken back in seconds."},
{tag:"Memory", t:"He remembers your call", d:"Sam keeps what you told him and dedicates a later song back to you, by name."},
{tag:"Showrunner", t:"A director at the desk", d:"An AI showrunner reads the room's mood and picks each song and segment to pace the night."},
{tag:"Off-dial", t:"Ghosts in the static", d:"Tune away from 98.6 and catch stray AI transmissions buried in the noise."},
{tag:"New press", t:"Records invented on air", d:"Sam writes brand-new fictional songs on the spot — pressed tonight, never heard before."},
{tag:"Weather", t:"Your real sky, dreamed", d:"Your actual local weather, folded into Sam's late-night voice instead of read like a forecast."},
{tag:"The glass", t:"Voice prints on the dial", d:"Sam's words develop like film across the tuner glass as he speaks them."},
{tag:"Engine", t:"Run by a small model", d:"The whole station is driven by a compact 1B model on a single GPU. Small model, big night."}
];
function renderInnovations(){
if (!els.innovGrid || els.innovGrid.children.length) return; // build once
INNOVATIONS.forEach(it=>{
const card = document.createElement("article"); card.className = "innov-card";
const tag = document.createElement("span"); tag.className = "tag"; tag.textContent = it.tag;
const h = document.createElement("h3"); h.textContent = it.t;
const p = document.createElement("p"); p.textContent = it.d;
card.appendChild(tag); card.appendChild(h); card.appendChild(p);
els.innovGrid.appendChild(card);
});
}
let _innovHideTimer = null;
function openInnov(){
if (!els.innovScrim) return;
renderInnovations();
clearTimeout(_innovHideTimer);
els.innovScrim.hidden = false;
void els.innovScrim.offsetWidth; // reflow so .open transitions from hidden
els.innovScrim.classList.add("open");
if (els.innovClose) els.innovClose.focus({preventScroll:true});
}
function closeInnov(){
if (!els.innovScrim) return;
els.innovScrim.classList.remove("open");
clearTimeout(_innovHideTimer);
_innovHideTimer = setTimeout(()=>{ els.innovScrim.hidden = true; }, 300);
if (els.infoBtn) els.infoBtn.focus({preventScroll:true});
}
/* ===================================================================
D. AUDIO ENGINE - one AudioContext, radio chain, hiss bed, VU
=================================================================== */
const Sound = {
ctx:null,
masterGain:null, // final output
analyser:null, // VU taps here (post voice + hiss mix)
vuData:null,
voiceEl:null, // HTMLAudioElement for TTS playback
fragEl:null, // SP4: dedicated low-gain element for off-dial fragments
fragments:null, // SP4: cached {text,audio_b64} ghost fragments
voiceSrc:null, // MediaElementSourceNode
bandpass:null,
shaper:null,
voiceGain:null,
hissSrc:null,
hissGain:null,
hissFilter:null,
mediaStream:null,
recorder:null,
recChunks:[],
_resolveEnd:null
};
// gentle saturation curve = warmth + a touch of crackle
function makeWarmthCurve(amount){
const n = 1024, curve = new Float32Array(n), k = amount;
for (let i=0;i<n;i++){
const x = (i*2)/n - 1;
curve[i] = (1+k) * x / (1 + k*Math.abs(x)); // soft asymmetric clip
}
return curve;
}
// pink-ish noise buffer for tape hiss (a couple seconds, looped)
function makeNoiseBuffer(ctx){
const len = ctx.sampleRate * 2;
const buf = ctx.createBuffer(1, len, ctx.sampleRate);
const d = buf.getChannelData(0);
let b0=0,b1=0,b2=0;
for (let i=0;i<len;i++){
const white = Math.random()*2-1;
b0 = 0.99765*b0 + white*0.0990460; // lightweight pink filter
b1 = 0.96300*b1 + white*0.2965164;
b2 = 0.57000*b2 + white*1.0526913;
d[i] = (b0+b1+b2+white*0.1848) * 0.18;
}
return buf;
}
// A short synthesized plate-reverb impulse (decaying stereo noise).
function makeImpulse(ctx, dur, decay){
const rate = ctx.sampleRate, len = Math.max(1, Math.floor(rate * dur));
const buf = ctx.createBuffer(2, len, rate);
for (let ch = 0; ch < 2; ch++){
const d = buf.getChannelData(ch);
for (let i = 0; i < len; i++){
d[i] = (Math.random() * 2 - 1) * Math.pow(1 - i / len, decay);
}
}
return buf;
}
// A looped vinyl-crackle/room-tone bed: mostly a faint floor with sparse pops.
function makeCrackleBuffer(ctx, secs){
const rate = ctx.sampleRate, len = Math.max(1, Math.floor(rate * secs));
const buf = ctx.createBuffer(1, len, rate);
const d = buf.getChannelData(0);
for (let i = 0; i < len; i++){
if (Math.random() < 0.0007){ // an occasional pop
d[i] = (Math.random() * 2 - 1) * (0.45 + Math.random() * 0.55);
} else {
d[i] = (Math.random() * 2 - 1) * 0.004; // faint continuous floor
}
}
return buf;
}
function initAudio(){
if (Sound.ctx) return;
const AC = window.AudioContext || window.webkitAudioContext;
const ctx = new AC();
Sound.ctx = ctx;
// master + analyser
Sound.masterGain = ctx.createGain();
Sound.masterGain.gain.value = 0.9;
Sound.analyser = ctx.createAnalyser();
Sound.analyser.fftSize = 256;
Sound.analyser.smoothingTimeConstant = 0.75;
Sound.vuData = new Uint8Array(Sound.analyser.frequencyBinCount);
Sound.analyser.connect(Sound.masterGain);
Sound.masterGain.connect(ctx.destination);
// ----- voice chain (AM broadcast): el -> HP300 -> LP3400 -> compressor ->
// tape-sat -> voiceGain -> analyser, plus a parallel plate-reverb send.
Sound.voiceEl = new window.Audio();
Sound.fragEl = new window.Audio(); // SP4: plays buried under the static, low volume
Sound.voiceEl.crossOrigin = "anonymous";
Sound.voiceEl.preload = "auto";
Sound.voiceSrc = ctx.createMediaElementSource(Sound.voiceEl);
// AM band = highpass 300 + lowpass 3400 (the warm, boxed-in radio voice).
Sound.hp = ctx.createBiquadFilter();
Sound.hp.type = "highpass"; Sound.hp.frequency.value = 300; Sound.hp.Q.value = 0.7;
Sound.lp = ctx.createBiquadFilter();
Sound.lp.type = "lowpass"; Sound.lp.frequency.value = 3400; Sound.lp.Q.value = 0.7;
// The arc-cue code nudges "Sound.bandpass" to bring the voice closer; alias it
// to the lowpass so narrowing the top end reads as intimate/muffled.
Sound.bandpass = Sound.lp;
// Light compression -> even, intimate level (radio "loudness").
Sound.comp = ctx.createDynamicsCompressor();
Sound.comp.threshold.value = -24; Sound.comp.ratio.value = 3.5;
Sound.comp.attack.value = 0.004; Sound.comp.release.value = 0.25;
// Tape saturation (warmth).
Sound.shaper = ctx.createWaveShaper();
Sound.shaper.curve = makeWarmthCurve(2.5);
Sound.shaper.oversample = "2x";
Sound.voiceGain = ctx.createGain();
Sound.voiceGain.gain.value = 1.0;
Sound.voiceSrc.connect(Sound.hp);
Sound.hp.connect(Sound.lp);
Sound.lp.connect(Sound.comp);
Sound.comp.connect(Sound.shaper);
Sound.shaper.connect(Sound.voiceGain);
Sound.voiceGain.connect(Sound.analyser);
// ----- plate-reverb send (subtle; a synthesized decaying impulse) -----
Sound.reverb = ctx.createConvolver();
Sound.reverb.buffer = makeImpulse(ctx, 1.6, 2.6);
Sound.reverbSend = ctx.createGain();
Sound.reverbSend.gain.value = 0.12;
Sound.voiceGain.connect(Sound.reverbSend);
Sound.reverbSend.connect(Sound.reverb);
Sound.reverb.connect(Sound.analyser);
// ----- vinyl-crackle / room-tone bed: noise -> highpass -> crackleGain ->
// analyser. Continuous when powered so the air is never dead.
Sound.crackleSrc = ctx.createBufferSource();
Sound.crackleSrc.buffer = makeCrackleBuffer(ctx, 6);
Sound.crackleSrc.loop = true;
Sound.crackleHP = ctx.createBiquadFilter();
Sound.crackleHP.type = "highpass"; Sound.crackleHP.frequency.value = 1800;
Sound.crackleGain = ctx.createGain();
Sound.crackleGain.gain.value = 0.0;
Sound.crackleSrc.connect(Sound.crackleHP);
Sound.crackleHP.connect(Sound.crackleGain);
Sound.crackleGain.connect(Sound.analyser);
Sound.crackleSrc.start(0);
// ----- lo-fi percussion bus (kick + brushed hat), gain-gated like the pad ---
Sound.drumGain = ctx.createGain();
Sound.drumGain.gain.value = 0.0;
Sound.drumGain.connect(Sound.analyser);
// ----- hiss bed: noise -> lowpass -> hissGain -> analyser
const buf = makeNoiseBuffer(ctx);
Sound.noiseBuf = buf; // reused by the brushed-hat percussion
Sound.hissSrc = ctx.createBufferSource();
Sound.hissSrc.buffer = buf;
Sound.hissSrc.loop = true;
Sound.hissFilter = ctx.createBiquadFilter();
Sound.hissFilter.type = "lowpass";
Sound.hissFilter.frequency.value = 6500;
Sound.hissGain = ctx.createGain();
Sound.hissGain.gain.value = 0.0;
Sound.hissSrc.connect(Sound.hissFilter);
Sound.hissFilter.connect(Sound.hissGain);
Sound.hissGain.connect(Sound.analyser);
Sound.hissSrc.start(0);
// ----- ambient pad: a warm, synthesized late-night drone (NOT a real record;
// no copyrighted audio). Only audible when powered + locked on station.
// A low open-fifth (A2-E3-A3) through a slow-breathing lowpass.
Sound.padFilter = ctx.createBiquadFilter();
Sound.padFilter.type = "lowpass";
Sound.padFilter.frequency.value = 620;
Sound.padFilter.Q.value = 0.6;
Sound.padGain = ctx.createGain();
Sound.padGain.gain.value = 0.0;
Sound.padFilter.connect(Sound.padGain);
Sound.padGain.connect(Sound.analyser);
Sound.padOscs = [110.0, 164.81, 220.0].map((f, i) => {
const o = ctx.createOscillator();
o.type = i === 0 ? "sine" : "triangle";
o.frequency.value = f;
o.detune.value = (i - 1) * 6; // gentle spread for warmth
o.connect(Sound.padFilter);
o.start(0);
return o;
});
Sound.padLfo = ctx.createOscillator(); // slow "breathing" on the cutoff
Sound.padLfo.frequency.value = 0.06;
Sound.padLfoGain = ctx.createGain();
Sound.padLfoGain.gain.value = 180;
Sound.padLfo.connect(Sound.padLfoGain);
Sound.padLfoGain.connect(Sound.padFilter.frequency);
Sound.padLfo.start(0);
Sound.voiceEl.addEventListener("ended", onVoiceEnded);
Sound.voiceEl.addEventListener("error", onVoiceEnded);
}
// Set static + ambient-pad levels from tuning. Locked on NIGHTWAVE = clean
// signal (static fades to a whisper, warm pad comes up); off-band = rising hiss,
// no pad. Both duck under the DJ's voice so speech stays clear.
function updateHissForTuning(){
if (!Sound.ctx) return;
const detune = Math.abs(State.freq - NIGHTWAVE_FREQ);
const locked = detune <= LOCK_BAND;
// --- static / tape hiss ---
let hiss;
if (locked){
hiss = 0.006; // locked: only a whisper of tape bed
} else {
const off = Math.min(1, (detune - LOCK_BAND) / 2.5);
hiss = 0.05 + off * 0.5; // off-band: static rises with detune
}
if (Sound._voicing) hiss *= 0.35; // duck under the voice
rampGain(Sound.hissGain, hiss, 0.25);
// --- warm ambient pad: only when powered AND locked on the station ---
let pad = (State.powered && locked && !State.songPlaying) ? 0.05 : 0.0;
if (Sound._voicing) pad *= 0.55; // sit back under the voice
rampGain(Sound.padGain, pad, 0.8);
// --- lo-fi percussion: rides with the pad, ducks under voice AND songs ---
let drum = (State.powered && locked && !State.songPlaying) ? 0.35 : 0.0;
if (Sound._voicing) drum *= 0.4;
if (Sound.drumGain) rampGain(Sound.drumGain, drum, 0.6);
}
function rampGain(node, target, t){
if (!Sound.ctx || !node) return;
const now = Sound.ctx.currentTime;
node.gain.cancelScheduledValues(now);
node.gain.setValueAtTime(node.gain.value, now);
node.gain.linearRampToValueAtTime(target, now + t);
}
// ---- lo-fi percussion: soft kick + brushed hat on a slow, sparse pattern ----
function playKick(t, dest){
if (!Sound.ctx) return;
const out = dest || Sound.drumGain; if (!out) return;
const o = Sound.ctx.createOscillator(), g = Sound.ctx.createGain();
o.type = "sine";
o.frequency.setValueAtTime(115, t);
o.frequency.exponentialRampToValueAtTime(45, t + 0.12);
g.gain.setValueAtTime(0.0001, t);
g.gain.exponentialRampToValueAtTime(0.9, t + 0.005);
g.gain.exponentialRampToValueAtTime(0.0001, t + 0.30);
o.connect(g); g.connect(out);
o.start(t); o.stop(t + 0.33);
}
function playHat(t, dest){
if (!Sound.ctx || !Sound.noiseBuf) return;
const out = dest || Sound.drumGain; if (!out) return;
const s = Sound.ctx.createBufferSource(), g = Sound.ctx.createGain(), hp = Sound.ctx.createBiquadFilter();
s.buffer = Sound.noiseBuf;
hp.type = "highpass"; hp.frequency.value = 7500;
g.gain.setValueAtTime(0.0001, t);
g.gain.exponentialRampToValueAtTime(0.16, t + 0.003);
g.gain.exponentialRampToValueAtTime(0.0001, t + 0.06);
s.connect(hp); hp.connect(g); g.connect(out);
s.start(t); s.stop(t + 0.08);
}
function startDrums(){
if (Sound.drumTimer || !Sound.ctx) return;
const bpm = 76, stepDur = (60 / bpm) / 2; // eighth notes
const KICK = [1,0,0,0,1,0,0,0], HAT = [0,0,1,0,0,0,1,0];
let step = 0, nextTime = Sound.ctx.currentTime + 0.12;
function tick(){
while (nextTime < Sound.ctx.currentTime + 0.25){
if (KICK[step % 8]) playKick(nextTime);
if (HAT[step % 8]) playHat(nextTime);
nextTime += stepDur; step++;
}
Sound.drumTimer = setTimeout(tick, 60);
}
tick();
}
function stopDrums(){
if (Sound.drumTimer){ clearTimeout(Sound.drumTimer); Sound.drumTimer = null; }
}
// ---- stall lines: prefetch instant filler clips to mask call latency ----
async function fetchStalls(){
try{
const r = await fetch("/api/stalls");
if (r.ok){ const j = await r.json(); if (Array.isArray(j.stalls)) return j.stalls; }
}catch(_){}
return [];
}
// SP4: cache a few AI ghost fragments (text + audio) like the stall clips.
async function fetchFragments(){
const out = [];
try{
const res = await Promise.all([0,1,2,3].map(()=>fetchSegment("fragment")));
res.forEach(s => { if (s && s.text) out.push({ text:s.text, audio_b64:s.audio_b64 }); });
}catch(_){}
return out;
}
// SP4: render a clean fragment as a half-heard caption (one static break).
function halfHeard(t){
t = (t || "").trim(); if (!t) return "…—static—…";
const breaks = ["—kssht—","[static]","——","…ssshh…"];
const w = t.split(" ");
if (w.length > 4){ const i = 1 + Math.floor(Math.random()*(w.length-2)); w.splice(i,0,breaks[Math.floor(Math.random()*breaks.length)]); }
return "… " + w.join(" ") + " …";
}
// SP4: play a fragment buried under the static (dedicated low-gain element; NOT the DJ voice
// path, so no ON-AIR, no static-duck, no karaoke).
function playFragment(frag){
showCaption(halfHeard(frag && frag.text || garble()), "fragment");
if (!frag || !frag.audio_b64 || !Sound.fragEl) return;
try{
const b = frag.audio_b64;
Sound.fragEl.src = b.indexOf("data:")===0 ? b : ("data:audio/wav;base64," + b);
Sound.fragEl.volume = 0.25;
const p = Sound.fragEl.play(); if (p && p.catch) p.catch(()=>{});
}catch(_){}
}
// True while Sam's voice is actually on the air (or a turn is being fetched / a call
// is live). Off-dial ghost fragments must NOT fire then -- showCaption() clears the
// karaoke timers, which would freeze the live caption mid-word and ghost it away.
function djSpeaking(){ return !!Sound._voicing || State.busy || State.recording || State.connecting; }
// SP4: schedule a buried fragment when the dial settles off-band (rare; cooldown-gated).
let _fragTimer = null, _lastFragAt = 0;
function scheduleFragment(){
clearTimeout(_fragTimer);
_fragTimer = setTimeout(()=>{
if (!State.powered || djSpeaking()) return; // never paint over Sam's live voice
if (Math.abs(State.freq - NIGHTWAVE_FREQ) <= LOCK_BAND) return; // re-locked
const now = performance.now();
if (now - _lastFragAt < 8000){ showCaption(halfHeard(garble()), "fragment"); return; } // cooldown -> caption only
_lastFragAt = now;
const f = (Sound.fragments && Sound.fragments.length) ? Sound.fragments[Math.floor(Math.random()*Sound.fragments.length)] : null;
playFragment(f);
if (!Sound.fragments || Sound.fragments.length < 2) fetchFragments().then(fr=>{ if (fr && fr.length) Sound.fragments = fr; });
}, 600);
}
/* ===================================================================
F2. GENERATIVE MUSIC ENGINE (in-browser; per-track key/scale/tempo/timbre)
=================================================================== */
const NOTE = {C:0,"C#":1,Db:1,D:2,"D#":3,Eb:3,E:4,F:5,"F#":6,Gb:6,G:7,"G#":8,Ab:8,A:9,"A#":10,Bb:10,B:11};
const SCALES = {
major:[0,2,4,5,7,9,11], minor:[0,2,3,5,7,8,10],
dorian:[0,2,3,5,7,9,10], lydian:[0,2,4,6,7,9,11],
pentatonic_minor:[0,3,5,7,10]
};
const PROGRESSIONS = [[1,5,6,4],[1,4,5,5],[6,4,1,5],[1,6,4,5],[2,5,1,4],[1,5,4,4]];
const TIMBRES = {
rhodes: {type:"sine", lpf:2200, atk:0.01, rel:0.5, gain:0.5},
sine_pad: {type:"sine", lpf:1400, atk:0.30, rel:1.1, gain:0.5},
triangle_pluck: {type:"triangle", lpf:2600, atk:0.005,rel:0.35,gain:0.45},
soft_saw: {type:"sawtooth", lpf:1500, atk:0.05, rel:0.6, gain:0.32},
music_box: {type:"triangle", lpf:3600, atk:0.002,rel:0.5, gain:0.4}
};
function mtof(m){ return 440 * Math.pow(2, (m - 69) / 12); }
function scaleDegreeMidi(rootMidi, scaleName, degree){
const s = SCALES[scaleName] || SCALES.minor;
const idx = (((degree - 1) % s.length) + s.length) % s.length;
const oct = Math.floor((degree - 1) / s.length);
return rootMidi + s[idx] + 12 * oct;
}
function playNote(dest, midi, t, dur, cfg, vel){
if (!Sound.ctx) return;
const o = Sound.ctx.createOscillator(), g = Sound.ctx.createGain(), f = Sound.ctx.createBiquadFilter();
o.type = cfg.type; o.frequency.value = mtof(midi);
f.type = "lowpass"; f.frequency.value = cfg.lpf;
const peak = Math.max(0.001, (vel || 1) * cfg.gain);
g.gain.setValueAtTime(0.0001, t);
g.gain.exponentialRampToValueAtTime(peak, t + cfg.atk);
g.gain.exponentialRampToValueAtTime(0.0001, t + dur + cfg.rel);
o.connect(f); f.connect(g); g.connect(dest);
o.start(t); o.stop(t + dur + cfg.rel + 0.05);
}
// A short warm sonic-logo sting (a 4-note chime) for the show open.
function playSonicLogo(){
if (!Sound.ctx) return;
const t0 = Sound.ctx.currentTime + 0.05;
const out = Sound.ctx.createGain(); out.gain.value = 0.5; out.connect(Sound.analyser);
if (Sound.reverb){ const rv = Sound.ctx.createGain(); rv.gain.value = 0.35; out.connect(rv); rv.connect(Sound.reverb); }
[64, 68, 71, 76].forEach((midi, i) => { // E G# B E -- a warm major chime
const o = Sound.ctx.createOscillator(), g = Sound.ctx.createGain();
o.type = "triangle"; o.frequency.value = mtof(midi);
const t = t0 + i * 0.16;
g.gain.setValueAtTime(0.0001, t);
g.gain.exponentialRampToValueAtTime(0.5, t + 0.02);
g.gain.exponentialRampToValueAtTime(0.0001, t + 1.5);
o.connect(g); g.connect(out); o.start(t); o.stop(t + 1.6);
});
}
// Render one ~58s instrumental from a track's musical params. {stop(), ended}.
function renderSong(track){
const ctx = Sound.ctx;
if (!ctx) return { stop(){}, ended: Promise.resolve() };
const cfg = TIMBRES[track.timbre] || TIMBRES.rhodes;
const scaleName = SCALES[track.scale] ? track.scale : "minor";
const root = (NOTE[track.key] != null) ? NOTE[track.key] : 0;
const bpm = Math.max(52, Math.min(96, track.tempo || 72));
const beat = 60 / bpm, bar = beat * 4;
const prog = PROGRESSIONS[Math.floor(Math.random() * PROGRESSIONS.length)];
const chordRoot = 48 + root, bassRoot = 36 + root;
const bus = ctx.createGain(); bus.gain.value = 0.0001; bus.connect(Sound.analyser);
if (Sound.reverb){ const rev = ctx.createGain(); rev.gain.value = 0.18; bus.connect(rev); rev.connect(Sound.reverb); }
const drumSub = ctx.createGain(); drumSub.gain.value = 0.5; drumSub.connect(bus);
let t = ctx.currentTime + 0.15;
const endAt = t + 58;
let bars = 0, stopped = false, timer = null, resolveEnded;
const ended = new Promise(r => { resolveEnded = r; });
function scheduleBar(b){
const deg = prog[bars % prog.length];
const chord = [0, 2, 4].map(o => scaleDegreeMidi(chordRoot, scaleName, deg + o));
chord.forEach(m => playNote(bus, m, b, bar * 0.92, TIMBRES.sine_pad, 0.20));
const bassMidi = scaleDegreeMidi(bassRoot, scaleName, deg);
const bassCfg = { type:"triangle", lpf:520, atk:0.01, rel:0.3, gain:0.55 };
playNote(bus, bassMidi, b, beat * 1.7, bassCfg, 0.7);
playNote(bus, bassMidi, b + beat * 2, beat * 1.7, bassCfg, 0.6);
for (let i = 0; i < 8; i++){
if (Math.random() < 0.7){
const note = chord[i % chord.length] + (Math.random() < 0.25 ? 12 : 0);
playNote(bus, note, b + i * (beat / 2), beat * 0.45, cfg, 0.45 + Math.random() * 0.3);
}
}
playKick(b, drumSub); playKick(b + beat * 2, drumSub);
for (let i = 0; i < 4; i++) playHat(b + i * beat + beat * 0.5, drumSub);
}
function finish(){
if (stopped) return; stopped = true;
try{ bus.disconnect(); }catch(_){}
State.songPlaying = false; updateHissForTuning(); resolveEnded();
}
function tick(){
if (stopped) return;
const now = ctx.currentTime;
while (t < now + 0.5 && t < endAt){ scheduleBar(t); t += bar; bars++; }
if (t >= endAt){ rampGain(bus, 0.0001, 1.4); setTimeout(finish, 1700); return; }
timer = setTimeout(tick, 90);
}
rampGain(bus, 0.5, 1.2);
State.songPlaying = true; updateHissForTuning();
tick();
return {
setLevel(v, ramp){ try{ rampGain(bus, Math.max(0.0001, v), ramp || 0.4); }catch(_){} },
stop(){
if (stopped) return; stopped = true;
if (timer) clearTimeout(timer);
try{ rampGain(bus, 0.0001, 0.4); }catch(_){}
setTimeout(() => { try{ bus.disconnect(); }catch(_){} }, 500);
State.songPlaying = false; updateHissForTuning(); resolveEnded();
},
ended
};
}
/* ---- show loop (C1: songs back-to-back; C2 weaves DJ talk between) ---- */
const CLIENT_SONGS = [
{title:"Neon Rain", artist:"The Tuesday Ghosts", vibe:"melancholy", key:"A", scale:"minor", tempo:72, timbre:"rhodes", recommended_by:"@route9trucker"},
{title:"Static Lullaby", artist:"Velvet Antenna", vibe:"dreamy", key:"F", scale:"lydian", tempo:64, timbre:"sine_pad", recommended_by:"@midnight_mara"},
{title:"Paper Moon Motel", artist:"Sundown Cardigan", vibe:"warm", key:"D", scale:"major", tempo:80, timbre:"triangle_pluck", recommended_by:"@last_call_lou"}
];
async function fetchSongs(){
try{ const r = await fetch("/api/songs"); if (r.ok){ const j = await r.json(); if (Array.isArray(j.songs) && j.songs.length) return j.songs; } }catch(_){}
return CLIENT_SONGS;
}
// Ask the browser for the listener's location (permission prompt), resolve real
// weather server-side, and stash it. Denial/error: stays null -> fictional weather.
// San Francisco — the default location when the listener gives us none.
const DEFAULT_LAT = 37.7749, DEFAULT_LON = -122.4194;
async function resolveLocaleAt(lat, lon){
try{
const r = await fetch("/api/locale", {
method:"POST", headers:{"Content-Type":"application/json"},
body: JSON.stringify({ lat, lon })
});
if (r.ok){ const j = await r.json(); if (j && j.resolved) State.locale = j; }
}catch(_){}
}
function requestLocale(){
if (State.locale) return;
// No geolocation API at all -> default to San Francisco.
if (!navigator.geolocation){ resolveLocaleAt(DEFAULT_LAT, DEFAULT_LON); return; }
navigator.geolocation.getCurrentPosition(
(pos)=>{ resolveLocaleAt(pos.coords.latitude, pos.coords.longitude); },
()=>{ resolveLocaleAt(DEFAULT_LAT, DEFAULT_LON); }, // denied/unavailable -> San Francisco
{ timeout:8000, maximumAge:600000 });
}
function pickSong(){
const bank = (State.songs && State.songs.length) ? State.songs : CLIENT_SONGS;
let s; do { s = bank[Math.floor(Math.random() * bank.length)]; } while (bank.length > 1 && s === State.song);
return s;
}
// ---- SP2: AI showrunner (context-aware policy, deterministic, never blocks) ----
const MOOD_VIBES = {
warm: ["warm","cozy","hopeful","nostalgic","breezy","gentle"],
nostalgic: ["nostalgic","wistful","bittersweet","melancholy","jazzy","romantic"],
tender: ["tender","gentle","lonely","romantic","wistful","melancholy"],
searching: ["pensive","mysterious","hypnotic","dreamy","eerie","ambient"],
hollow: ["lonely","melancholy","eerie","ambient","bittersweet","pensive"],
uneasy: ["eerie","mysterious","hypnotic","pensive","ambient","lonely"]
};
const MOOD_SEGUE = {
warm:"the night's warm and easy", nostalgic:"we're feeling a little nostalgic",
tender:"the hour's gone tender", searching:"a thoughtful stretch, this",
hollow:"for the quiet, lonely hours", uneasy:"there's something restless in the air"
};
function pickSongForMood(mood, avoid){
const bank = (State.songs && State.songs.length) ? State.songs : CLIENT_SONGS;
const vibes = MOOD_VIBES[mood] || MOOD_VIBES.warm;
const avoidVibe = avoid && avoid.vibe;
const cand = bank.filter(s => vibes.indexOf(s.vibe) >= 0 && s !== avoid && s.vibe !== avoidVibe);
if (!cand.length) return pickSong();
const weighted = [];
cand.forEach(s => { const w = vibes.length - vibes.indexOf(s.vibe); for (let i=0;i<w;i++) weighted.push(s); });
return weighted[Math.floor(Math.random()*weighted.length)];
}
function runShowrunner(){
try{
const mood = (State.sessionMemory && State.breaksSinceCaller <= 3)
? (State.sessionMemory.mood || "warm") : "warm";
const song = pickSongForMood(mood, State.song);
const weatherKind = (State.locale && State.locale.resolved) ? "local_weather" : "weather";
const recent2 = State.recentKinds.slice(-2);
let pool = ["thought", weatherKind, "dedication"].filter(k => recent2.indexOf(k) < 0);
if (!pool.length) pool = ["thought", weatherKind, "dedication"];
const kinds = ["rejoin"];
const extra = (Math.random() < 0.5) ? 1 : 2;
for (let i=0;i<extra;i++){ // distinct content kinds this break
const avail = pool.filter(k => kinds.indexOf(k) < 0);
const src = avail.length ? avail : pool;
kinds.push(src[Math.floor(Math.random()*src.length)]);
}
if (State.breakIndex % 3 === 0) kinds.push("station_id");
let segueHint = null;
const sinceSegue = State.breakIndex - State.lastSegueBreak;
if ((State.breaksSinceCaller === 1 || sinceSegue >= 5) && sinceSegue >= 2){
segueHint = (State.breaksSinceCaller === 1) ? "right after that caller"
: (MOOD_SEGUE[mood] || MOOD_SEGUE.warm);
State.lastSegueBreak = State.breakIndex;
}
if (State.demo) try{ console.log("showrunner:", mood, "->", song.title, "("+song.vibe+")", segueHint||""); }catch(_){}
return { kinds, song, tone:mood, segueHint };
}catch(_){
return { kinds: chooseBreakKinds(), song: pickSong(), tone:"warm", segueHint:null };
}
}
function showNowPlaying(track){
if (!els.nowPlaying || !track) return;
els.nowPlaying.classList.add("playing");
if (els.npText){
els.npText.innerHTML = "";
els.npText.appendChild(document.createTextNode(
"♪ " + (track.title || "NIGHTWAVE") + " — " + (track.artist || "the all-night desk")));
if (track.recommended_by){
const r = document.createElement("span");
r.className = "np-req";
r.textContent = " · req " + track.recommended_by;
els.npText.appendChild(r);
}
}
}
function clearNowPlaying(label){
if (!els.nowPlaying) return;
els.nowPlaying.classList.remove("playing");
if (els.npText) els.npText.textContent = label || "NIGHTWAVE — all night, every night";
}
function sleep(ms){ return new Promise(r => setTimeout(r, ms)); }
async function fetchSegment(kind, ctx){
try{
const r = await fetch("/api/segment", {
method:"POST", headers:{"Content-Type":"application/json"},
body: JSON.stringify({ kind, ctx: ctx || {} })
});
if (r.ok) return await r.json();
}catch(_){}
return null;
}
function chooseBreakKinds(){
const picks = ["rejoin"]; // Sam Dusk re-identifies on EVERY return
const weatherKind = (State.locale && State.locale.resolved) ? "local_weather" : "weather";
const pool = ["thought","thought",weatherKind,"dedication"];
const extra = (Math.random() < 0.5) ? 1 : 2;
for (let i = 0; i < extra; i++) picks.push(pool[Math.floor(Math.random()*pool.length)]);
if (Math.random() < 0.4) picks.push("station_id"); // sometimes a station ID too
return picks; // song_intro is appended in prepareBreak (always last)
}
// Buffer a whole break: DJ segments + the upcoming track's intro. -> {segs, track}
// SP3: occasionally invent a fictional record and add it to the session bank.
const MAX_GENERATED = 4;
async function maybeGenerateCard(force){
if (!force && State.generatedCount >= MAX_GENERATED) return false;
if (!force){
const afterCaller = State.breaksSinceCaller <= 1; // bias to "a record from your call"
if (!afterCaller && Math.random() > 0.2) return false;
}
try{
const ctx = {};
if (State.sessionMemory){ ctx.mood = State.sessionMemory.mood; ctx.topic = State.sessionMemory.topic; }
if (State.locale && State.locale.resolved) ctx.city = State.locale.city;
const r = await fetch("/api/song_card", { method:"POST", headers:{"Content-Type":"application/json"}, body: JSON.stringify({ ctx }) });
if (!r.ok) return false;
const j = await r.json(); const card = j && j.card;
if (card && card.title && card.scale && card.timbre && card.key){
if (!State.songs) State.songs = [];
State.songs.push(card);
State.generatedCount++;
return true;
}
}catch(_){}
return false;
}
async function prepareBreak(){
const plan = runShowrunner();
const track = plan.song;
const segs = [];
// A queued caller dedication takes precedence over a generic one this break.
const callerDed = State.dedicationQueue.length ? State.dedicationQueue.shift() : null;
let kinds = plan.kinds.slice();
if (callerDed) kinds = kinds.filter(k => k !== "dedication");
for (const k of kinds){
const ctx = (k === "local_weather") ? State.locale : null;
const s = await fetchSegment(k, ctx);
if (s) segs.push(s);
if (k === "rejoin" && callerDed){ // dedicate right after Sam re-IDs
const d = await fetchSegment("dedication", callerDed);
if (d) segs.push(d);
}
}
const introCtx = { title:track.title, artist:track.artist, vibe:track.vibe, recommended_by:track.recommended_by };
if (plan.segueHint) introCtx.segue = plan.segueHint;
if (track.generated) introCtx.fresh = true;
const intro = await fetchSegment("song_intro", introCtx);
segs.push(intro || { kind:"song_intro", mood:"warm", arc_cue:"none",
text:"Coming up next, " + track.title + " by " + track.artist + ".",
audio_b64: SILENT_WAV, words:[], wtimes:[] });
State.breakIndex++;
State.breaksSinceCaller++;
for (const k of kinds){ if (k !== "rejoin" && k !== "station_id") State.recentKinds.push(k); }
while (State.recentKinds.length > 8) State.recentKinds.shift();
return { segs, track };
}
async function playDJ(s){
if (!s) return;
setMood(s.mood || "warm");
handleArcCue(s.arc_cue || "none");
showCaptionKaraoke(s.text || "", s.words, s.wtimes);
await playVoiceB64(s.audio_b64);
}
async function runShow(){
if (State.showRunning) return;
State.showRunning = true;
try{
while (State.powered){
if (State.recording || State.busy){ await sleep(250); continue; }
// ensure a buffered break (only the opening one blocks, under the bed)
if (!State.pendingBreak){
showCaption("… NIGHTWAVE is coming on the air …", "status");
State.pendingBreak = await prepareBreak();
}
const brk = State.pendingBreak; State.pendingBreak = null;
if (!State.powered || State.recording) continue;
const intro = brk.segs[brk.segs.length - 1];
const lead = brk.segs.slice(0, -1);
State.song = brk.track; showNowPlaying(brk.track); // plate shows the song for the whole break
// 1) the DJ break, over the crackle/pad bed
for (const s of lead){
if (!State.powered || State.recording) break;
await playDJ(s);
await sleep(160);
}
if (!State.powered || State.recording) continue;
// 2) the record + its intro together -> the DJ talks OVER the intro
const track = brk.track;
const player = renderSong(track);
State.songPlayer = player;
// 3) dead-air gating: buffer the NEXT break while this song plays
prepareBreak().then(b => { State.pendingBreak = b; }).catch(()=>{});
maybeGenerateCard(); // SP3: invent a record during the song (off critical path)
if (player.setLevel) player.setLevel(0.28, 0.6); // duck the record under the DJ intro
await playDJ(intro); // rides over the song's fade-in
if (player.setLevel) player.setLevel(0.5, 1.2); // bring the record back up
// 4) let the record play out
await player.ended;
State.songPlayer = null;
if (!State.powered) break;
// keep the plate on the song that just played until the next break sets the next one
}
} finally { State.showRunning = false; clearNowPlaying(); }
}
// short burst of noise (glitch beat)
function noiseBurst(dur, level){
if (!Sound.ctx) return;
const peak = Sound.hissGain.gain.value;
rampGain(Sound.hissGain, level, 0.02);
setTimeout(()=>rampGain(Sound.hissGain, peak, 0.25), dur);
}
// play a base64 WAV through the radio chain; resolve when finished
function playVoiceB64(b64){
return new Promise((resolve)=>{
if (!b64 || !Sound.voiceEl){ resolve(); return; }
try{
const src = b64.indexOf("data:") === 0 ? b64 : ("data:audio/wav;base64," + b64);
Sound.voiceEl.src = src;
Sound._resolveEnd = resolve;
setBroadcasting(true);
Sound._voicing = true; updateHissForTuning(); // duck static + pad under the voice
const p = Sound.voiceEl.play();
if (p && p.catch) p.catch(()=>{ resolve(); });
}catch(e){ resolve(); }
});
}
function onVoiceEnded(){
setBroadcasting(false);
Sound._voicing = false; updateHissForTuning(); // restore static/pad to tuning level
State.lastVoiceEnd = performance.now();
if (Sound._resolveEnd){ const r = Sound._resolveEnd; Sound._resolveEnd = null; r(); }
}
/* ===================================================================
E. DIAL / TUNING — slide-rule scale across the top of the glass
=================================================================== */
function drawDial(){
const c = els.dialCanvas, ctx = c.getContext("2d");
const dpr = window.devicePixelRatio || 1;
const w = c.clientWidth, h = c.clientHeight;
if (!w || !h) return;
c.width = w*dpr; c.height = h*dpr; ctx.setTransform(dpr,0,0,dpr,0,0);
ctx.clearRect(0,0,w,h);
const pad = 14;
const span = FREQ_MAX - FREQ_MIN;
// warm-up brightens the scale; matches CSS celluloid lighting
const cssWarm = parseFloat(getComputedStyle(document.documentElement).getPropertyValue("--warm")) || 0;
const tickA = 0.20 + 0.55 * cssWarm;
const numA = 0.30 + 0.55 * cssWarm;
ctx.textAlign = "center";
for (let f = 88; f <= 108; f += 1){
const x = pad + ((f - FREQ_MIN)/span) * (w - pad*2);
const major = (f % 4 === 0);
ctx.strokeStyle = "rgba(243,228,192," + (major ? tickA : tickA*0.55).toFixed(3) + ")";
ctx.lineWidth = major ? 1.2 : 1;
ctx.beginPath();
ctx.moveTo(x, 6);
ctx.lineTo(x, 6 + (major?13:8));
ctx.stroke();
if (major){
ctx.font = "11px 'Marcellus SC', Georgia, serif";
ctx.fillStyle = "rgba(243,228,192," + numA.toFixed(3) + ")";
ctx.fillText(String(f), x, 34);
}
}
// NIGHTWAVE marker (98.6) — engraved + ember-lit
const nx = pad + ((NIGHTWAVE_FREQ - FREQ_MIN)/span) * (w - pad*2);
ctx.font = "11px 'Marcellus SC', Georgia, serif";
ctx.fillStyle = "rgba(255,122,24,0.92)";
ctx.fillText("98.6", nx, 34);
ctx.fillStyle = "rgba(255,122,24,0.85)";
ctx.beginPath(); ctx.moveTo(nx, 4); ctx.lineTo(nx-4, 13); ctx.lineTo(nx+4, 13); ctx.closePath(); ctx.fill();
}
function freqToPct(f){ return (f - FREQ_MIN)/(FREQ_MAX - FREQ_MIN); }
function setFreq(f, fromUser){
f = Math.max(FREQ_MIN, Math.min(FREQ_MAX, f));
State.freq = f;
const pct = freqToPct(f);
els.needle.style.left = (pct*100) + "%";
els.dialLight.style.setProperty("--needle-x", (pct*100)+"%");
els.freqReadout.textContent = f.toFixed(1);
els.needle.setAttribute("aria-valuenow", f.toFixed(1));
els.needle.setAttribute("aria-valuetext", f.toFixed(1)+" megahertz");
const locked = Math.abs(f - NIGHTWAVE_FREQ) <= LOCK_BAND;
els.dialwrap.classList.toggle("locked", locked);
// the ONE cool accent: teal lock cue + signal tint only at perfect lock
els.body.classList.toggle("locked", locked && State.powered);
// dial glow clarity: 1 when locked, fading off-band
const clarity = Math.max(0, 1 - Math.abs(f - NIGHTWAVE_FREQ)/2.0);
document.documentElement.style.setProperty("--dial-glow", clarity.toFixed(3));
updateHissForTuning();
applyMeter(); // refresh the SIGNAL gauge from the new tuning
// easter egg whisper (held back while Sam is mid-sentence)
if (fromUser && State.powered && !djSpeaking() && Math.abs(f - EGG_FREQ) <= 0.2 && !State.eggPlayed){
State.eggPlayed = true;
showCaption("… is anyone out there? i think i can hear you breathing …", "fragment");
} else if (Math.abs(f - EGG_FREQ) > 0.4){
State.eggPlayed = false;
}
// off-band: bleed in a buried AI ghost fragment on dwell (SP4) -- but never while
// Sam is talking, or it would clobber the live karaoke caption.
if (fromUser && State.powered && !locked && !djSpeaking() && Math.abs(f-EGG_FREQ) > 0.2){
scheduleFragment();
}
}
// produce a garbled off-station fragment
const FRAGMENTS = [
"…kssht… the weather over — [static] — never clears…",
"…and that one goes out to —— whoever's still —kkrr—",
"… —beep— the time is now … the time is now … the time—",
"… r e m e m b e r … [carrier lost] …",
"…you're listening to ——— ssshhh ———"
];
function garble(){ return FRAGMENTS[Math.floor(Math.random()*FRAGMENTS.length)]; }
// pointer dragging
function pointerToFreq(clientX){
const r = els.dialFrame.getBoundingClientRect();
const pad = 14;
let pct = (clientX - r.left - pad) / (r.width - pad*2);
pct = Math.max(0, Math.min(1, pct));
return FREQ_MIN + pct*(FREQ_MAX - FREQ_MIN);
}
let dragging = false;
function onDialDown(e){
dragging = true;
if (els.dialFrame.setPointerCapture){ try{ els.dialFrame.setPointerCapture(e.pointerId); }catch(_){} }
setFreq(pointerToFreq(e.clientX), true);
els.needle.focus({preventScroll:true});
e.preventDefault();
}
function onDialMove(e){ if (dragging) setFreq(pointerToFreq(e.clientX), true); }
function onDialUp(){ dragging = false; }
// keyboard tuning (needle is role=slider)
function onNeedleKey(e){
let d = 0;
if (e.key === "ArrowLeft" || e.key === "ArrowDown") d = -0.1;
else if (e.key === "ArrowRight" || e.key === "ArrowUp") d = 0.1;
else if (e.key === "PageDown") d = -1;
else if (e.key === "PageUp") d = 1;
else if (e.key === "Home"){ setFreq(NIGHTWAVE_FREQ, true); e.preventDefault(); return; }
else return;
setFreq(Math.round((State.freq + d)*10)/10, true);
e.preventDefault();
}
/* ===================================================================
F. SIGNAL METER - client owns it
=================================================================== */
// The realization arc was retired; the gauge is now a diegetic SIGNAL meter
// driven by how well we're tuned to the station. (State.meter/stage are kept
// only so the legacy /api/call payload stays valid.)
function applyMeter(){
State.meter = Math.max(0, Math.min(100, State.meter));
State.stage = meterToStage(State.meter);
const detune = Math.abs(State.freq - NIGHTWAVE_FREQ);
const sig = Math.round(Math.max(0, Math.min(100, (1 - detune / 2.0) * 100)));
els.gaugeFill.style.width = sig + "%";
els.gaugeDot.style.left = sig + "%";
els.gauge.setAttribute("aria-valuenow", String(sig));
els.stageCap.textContent = State.powered ? "SIGNAL" : "—";
}
function addMeter(delta){ State.meter += delta; } // no UI effect now (kept for payloads)
function setMood(mood){
if (!MOOD_COLOR[mood]) mood = "warm";
State.mood = mood;
const pair = MOOD_COLOR[mood];
const root = document.documentElement.style;
root.setProperty("--mood", pair[0]);
root.setProperty("--mood-soft", pair[1]);
}
/* ===================================================================
G. CAPTIONS (karaoke) — Sam Dusk's voice prints on the dial-glass
=================================================================== */
let captionTimers = [];
function clearCaptionTimers(){ captionTimers.forEach(clearTimeout); captionTimers = []; }
// Lift finished lines into the ghost stack; cap the trail at 3 lines.
function ghostifyLines(){
const lines = Array.prototype.slice.call(els.transcript.querySelectorAll(".line"));
lines.forEach(l=>{ l.classList.remove("current"); l.classList.add("past"); });
while (els.transcript.children.length > 3) els.transcript.removeChild(els.transcript.firstChild);
}
// status / fragment lines (system messages): printed plainly on the glass,
// always mirrored to the SR live-region. Status text bypasses captionsOff.
function showCaption(text, kind){
clearCaptionTimers();
// mirror to the assistive-tech live region
els.caption.className = "sr-only" + (kind ? " "+kind : "");
els.caption.textContent = (!State.captionsOn && kind !== "status") ? "" : (text || "");
if (!State.captionsOn && kind !== "status"){ ghostifyLines(); return; }
ghostifyLines();
const line = document.createElement("div");
line.className = "line current" + (kind ? " "+kind : "");
line.textContent = text || "";
els.transcript.appendChild(line);
requestAnimationFrame(()=>line.classList.add("in"));
}
// karaoke: words/wtimes from /speak (progressive enhancement). Each spoken word
// develops like film — opacity + blur->sharp + a decaying ember bloom — then
// settles to ivory; finished lines lift and fade to --foxed (a ghost stack).
function showCaptionKaraoke(text, words, wtimes, callerText){
clearCaptionTimers();
els.caption.className = "sr-only";
if (!State.captionsOn){
els.caption.textContent = "";
ghostifyLines();
return;
}
// mirror full line to the SR live-region for assistive tech
els.caption.textContent = (callerText ? ("“"+callerText+"” ") : "") + (text || "");
ghostifyLines();
const line = document.createElement("div");
line.className = "line current";
if (callerText){
const c = document.createElement("span");
c.className = "caller-said";
c.textContent = "“" + callerText + "”";
line.appendChild(c);
}
if (!words || !words.length || !wtimes || wtimes.length !== words.length){
line.appendChild(document.createTextNode(text || ""));
els.transcript.appendChild(line);
requestAnimationFrame(()=>line.classList.add("in"));
return;
}
const spans = words.map((w)=>{
const s = document.createElement("span");
s.className = "w"; s.textContent = w + " ";
line.appendChild(s);
return s;
});
els.transcript.appendChild(line);
requestAnimationFrame(()=>line.classList.add("in"));
words.forEach((w,i)=>{
const t = Math.max(0, wtimes[i]) * 1000;
captionTimers.push(setTimeout(()=>{
if (!spans[i]) return;
spans[i].classList.add("spoken"); // ember bloom on the live word
// decay the bloom to settled ivory after a beat (the film "develops")
captionTimers.push(setTimeout(()=>{
if (spans[i]){ spans[i].classList.remove("spoken"); spans[i].classList.add("said"); }
}, 260));
}, t));
});
}
/* ===================================================================
H. NETWORKING - same-origin /api/*, graceful + mock fallback
=================================================================== */
async function api(path, body){
const slow = setTimeout(()=>{ if (State.busy) showCaption("… warming up the transmitter …", "status"); }, 1800);
try{
const res = await fetch(path, {
method:"POST",
headers:{"Content-Type":"application/json"},
body:JSON.stringify(body)
});
clearTimeout(slow);
if (!res.ok) throw new Error("status "+res.status);
return await res.json();
}catch(err){
clearTimeout(slow);
// graceful client-side fallback so the radio NEVER goes dead
return clientMock(path, body);
}
}
// Canned, stage-appropriate lines if the proxy is unreachable.
// (The Space itself also has a NIGHTWAVE_MOCK; this is the last resort.)
// Offline/failure fallback — straight-station Sam Dusk lines (the realization
// arc is retired; a network hiccup must not resurface the old concept).
const MOCK_LINES = [
"It's Sam Dusk, and you're back with me on Nightwave, ninety-eight point six. The hour's soft and the dial is warm.",
"This next one came in for the long-haul drivers and the kitchen lights still burning after midnight.",
"Weather out there's quiet enough to hear the streetlights hum. Keep the radio low and the coffee close.",
"Nightwave's still here, all night long, for whoever needed one more voice in the room.",
"Coming up, a slow one for slow hours like these. Stay right where you are, would you."
];
// tiny silent WAV (header + 0 samples) base64 - lets the loop advance with no backend
const SILENT_WAV = "UklGRiQAAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQAAAAA=";
function clientMock(path, body){
const text = MOCK_LINES[Math.floor(Math.random()*MOCK_LINES.length)];
const base = { text, mood:"warm", arc_cue:"none", audio_b64:SILENT_WAV, words:[], wtimes:[], wdurations:[] };
if (path === "/api/call"){
return Object.assign({}, base, { caller_text:"(you, on the air)", meter_delta:0 });
}
return base;
}
/* ===================================================================
I. BROADCAST LOOP & ARC CUES
=================================================================== */
function handleArcCue(cue){
if (cue === "glitch"){
if (!State.reducedMotion){
els.dialFrame.classList.add("flick");
setTimeout(()=>els.dialFrame.classList.remove("flick"), 500);
}
noiseBurst(160, 0.55);
} else if (cue === "static_swell"){
if (Sound.ctx){
const peak = Sound.hissGain.gain.value;
rampGain(Sound.hissGain, Math.min(0.6, peak+0.4), 0.6);
setTimeout(()=>updateHissForTuning(), 2600);
}
}
if (cue === "direct_address"){
// dim the room, bring the voice closer (less bandpass, more gain)
els.body.classList.add("intimate");
if (Sound.ctx){
rampGain(Sound.voiceGain, 1.35, 0.8);
const now = Sound.ctx.currentTime;
Sound.bandpass.frequency.cancelScheduledValues(now);
Sound.bandpass.frequency.setValueAtTime(Sound.bandpass.frequency.value, now);
Sound.bandpass.frequency.linearRampToValueAtTime(2000, now+0.8);
Sound.bandpass.Q.linearRampToValueAtTime(0.4, now+0.8);
}
} else {
els.body.classList.remove("intimate");
if (Sound.ctx){
rampGain(Sound.voiceGain, 1.0, 0.5);
const now = Sound.ctx.currentTime;
Sound.bandpass.frequency.cancelScheduledValues(now);
Sound.bandpass.frequency.setValueAtTime(Sound.bandpass.frequency.value, now);
Sound.bandpass.frequency.linearRampToValueAtTime(3400, now+0.5);
Sound.bandpass.Q.linearRampToValueAtTime(0.7, now+0.5);
}
}
}
async function broadcast(){
if (!State.powered || State.busy) return;
// off-station: don't fetch a clean broadcast; you only get a buried ghost fragment
if (Math.abs(State.freq - NIGHTWAVE_FREQ) > LOCK_BAND){
const f = (Sound.fragments && Sound.fragments.length) ? Sound.fragments[Math.floor(Math.random()*Sound.fragments.length)] : null;
playFragment(f);
State.lastVoiceEnd = performance.now();
return;
}
State.busy = true;
showCaption("… stand by …", "status");
const data = await api("/api/broadcast", { stage:State.stage, meter:Math.round(State.meter), topic:null });
State.busy = false;
await playSegment(data);
}
async function playSegment(data, callerText){
if (!data){ State.lastVoiceEnd = performance.now(); return; }
setMood(data.mood || State.mood);
handleArcCue(data.arc_cue || "none");
showCaptionKaraoke(data.text || "", data.words, data.wtimes, callerText);
await playVoiceB64(data.audio_b64);
}
/* ===================================================================
J. CALL-IN (tap-to-talk)
=================================================================== */
async function ensureMic(){
if (Sound.mediaStream) return Sound.mediaStream;
const s = await navigator.mediaDevices.getUserMedia({audio:true});
Sound.mediaStream = s;
return s;
}
async function playCallerIntro(){
// On-demand templated welcome; the music bed covers the brief /speak latency.
let b64 = null;
try{
const seg = await fetchSegment("caller_intro");
b64 = seg && seg.audio_b64;
}catch(_){}
if (b64){ try{ await playVoiceB64(b64); }catch(_){} }
}
function toggleCall(e){
if (!State.powered) return;
if (State.recording){ stopCall(e); return; }
if (State.busy || State.connecting) return;
startCall(e);
}
async function startCall(e){
if (!State.powered || State.busy || State.recording || State.connecting) return;
if (e) e.preventDefault();
if (!navigator.mediaDevices || !window.MediaRecorder){
showCaption("Microphone isn't available in this browser.", "status");
return;
}
try{
State.connecting = true;
const stream = await ensureMic();
if (!State.powered || !State.connecting){ State.connecting = false; return; } // aborted (Esc) during mic prompt
// a call preempts the music; the DJ welcomes the caller first
if (State.songPlayer){ try{ State.songPlayer.stop(); }catch(_){} State.songPlayer = null; }
if (Sound._resolveEnd){ const r = Sound._resolveEnd; Sound._resolveEnd = null; r(); }
showCaption("… you're being put through …", "status");
await playCallerIntro(); // "who are you, and what's on your mind?"
if (!State.powered || !State.connecting){ State.connecting = false; return; } // aborted (Esc) during the intro
let rec;
if (MediaRecorder.isTypeSupported && MediaRecorder.isTypeSupported("audio/webm")){
rec = new MediaRecorder(stream, {mimeType:"audio/webm"});
} else if (MediaRecorder.isTypeSupported && MediaRecorder.isTypeSupported("audio/mp4")){
rec = new MediaRecorder(stream, {mimeType:"audio/mp4"});
} else {
rec = new MediaRecorder(stream);
}
Sound.recorder = rec;
Sound.recChunks = [];
rec.ondataavailable = ev=>{ if (ev.data && ev.data.size) Sound.recChunks.push(ev.data); };
rec.onstop = onCallStop;
rec.start();
State.recording = true;
State.connecting = false;
els.handset.classList.add("recording");
els.handset.querySelector(".ht b").textContent = "ON THE AIR";
setBroadcasting(false);
showCaption("● YOU'RE ON THE AIR — speak now, tap again to send.", "status");
}catch(err){
State.connecting = false;
showCaption("Mic is blocked — allow microphone access to call in.", "status");
}
}
function stopCall(e){
if (!State.recording) return;
if (e) e.preventDefault();
State.recording = false;
els.handset.classList.remove("recording");
els.handset.querySelector(".ht b").textContent = "CALL IN";
try{ if (Sound.recorder && Sound.recorder.state !== "inactive") Sound.recorder.stop(); }
catch(err){ /* ignore */ }
}
// SP1: remember a caller for a later dedication (cap the queue at 2)
function queueDedication(m){
if (!m || !m.topic) return;
State.dedicationQueue.push({ caller_name:m.caller_name||null, place:m.place||null,
topic:m.topic, mood:m.mood||"warm" });
while (State.dedicationQueue.length > 2) State.dedicationQueue.shift();
}
async function onCallStop(){
const blob = new Blob(Sound.recChunks, { type: (Sound.recorder && Sound.recorder.mimeType) || "audio/webm" });
State.busy = true;
let audio_b64 = "";
try{ audio_b64 = await blobToB64(blob); }catch(e){}
// Fire the real request FIRST, then mask its latency with an instant stall
// line that plays while the reply generates underneath -- no dead air.
const respP = api("/api/call", { stage:State.stage, meter:Math.round(State.meter), audio_b64 });
showCaption("… the DJ is responding …", "status");
if (Sound.stalls && Sound.stalls.length){
const stall = Sound.stalls[Math.floor(Math.random() * Sound.stalls.length)];
try{ await playVoiceB64(stall); }catch(_){}
}
const data = await respP;
State.busy = false;
if (data && typeof data.meter_delta === "number") addMeter(data.meter_delta);
if (data && data.memory_patch) State.sessionMemory = data.memory_patch;
if (data && data.queue_dedication) queueDedication(data.memory_patch);
State.breaksSinceCaller = 0; // SP2: next break reflects the caller's mood
await playSegment(data, data && data.caller_text);
}
function blobToB64(blob){
return new Promise((resolve,reject)=>{
const fr = new FileReader();
fr.onload = ()=>{ const s = String(fr.result); resolve(s.slice(s.indexOf(",")+1)); };
fr.onerror = reject;
fr.readAsDataURL(blob);
});
}
/* ===================================================================
K. POWER, WARM-UP, WIRING, SEED, rAF LOOP
=================================================================== */
function setBroadcasting(on){
// The station is "ON AIR" (tube + label lit) the whole time it's powered -- a
// continuous broadcast -- not only while a voice clip plays. The tape reels
// still spin while a voice clip is actually sounding, as live feedback.
els.body.classList.toggle("broadcasting", !!State.powered);
els.onairLabel.textContent = State.powered ? "ON AIR" : "STANDBY";
const spin = on && !State.reducedMotion;
els.reelL.classList.toggle("spin", spin);
els.reelR.classList.toggle("spin", spin);
}
// ---- power-on warm-up ritual (VISUAL ONLY). Drives --warm/--lock + the
// self-sweeping needle. Must NEVER block AudioContext.resume() / runShow /
// fetches; reduced-motion collapses it to an instant on. ----
let warmRAF = null, sweepRAF = null;
function easeThermal(x){ return x < .5 ? 2*x*x : 1 - Math.pow(-2*x+2, 2)/2; }
function clearWarmup(){
State.warming = false;
if (warmRAF){ cancelAnimationFrame(warmRAF); warmRAF = null; }
if (sweepRAF){ cancelAnimationFrame(sweepRAF); sweepRAF = null; }
}
function runWarmup(){
clearWarmup();
if (State.reducedMotion){
setWarm(1); setLock(1);
setFreq(NIGHTWAVE_FREQ, false);
els.body.classList.add("broadcasting");
els.onairLabel.textContent = "ON AIR";
drawDial();
return;
}
State.warming = true;
setWarm(0); setLock(0);
// 1) filament bloom + backlight (radial mask w/ thermal-lag easing + early flicker)
const T0 = performance.now(), DUR = 3600;
(function bloom(now){
if (!State.powered){ clearWarmup(); return; }
const p = Math.min(1, (now - T0) / DUR);
const flick = p < .25 ? 0.06*Math.sin(now/40) : 0;
setWarm(Math.min(1, easeThermal(p) * (1 + flick)));
drawDial(); // brighten the scale numerals/ticks with the filament
if (p < 1){ warmRAF = requestAnimationFrame(bloom); }
else { setWarm(1); warmRAF = null; drawDial(); }
})(T0);
// 2) needle self-sweeps from the low end up and settles on 98.6 (damped overshoot)
captionTimers.push(setTimeout(()=>{
if (!State.powered){ return; }
const s = performance.now(), D = 2200;
const lockPct = freqToPct(NIGHTWAVE_FREQ) * 100;
(function sweep(now){
if (!State.powered){ sweepRAF = null; return; }
const p = Math.min(1, (now - s) / D);
let pct;
if (p < .45){ pct = 2 + (100 - 2) * (p / .45); } // run up toward the high end
else {
const q = (p - .45) / .55;
const overshoot = Math.sin(q*Math.PI*2) * Math.pow(1 - q, 2) * 6;
pct = 100 + (lockPct - 100) * easeThermal(q) + overshoot;
}
const f = FREQ_MIN + (Math.max(0, Math.min(100, pct)) / 100) * (FREQ_MAX - FREQ_MIN);
// visual-only: move needle + lights, but do NOT mark fromUser (no fragments/eggs)
setFreq(f, false);
if (p < 1){ sweepRAF = requestAnimationFrame(sweep); }
else { sweepRAF = null; setFreq(NIGHTWAVE_FREQ, false); }
})(s);
}, 2600));
// 3) ON AIR tube ignites + carrier lock latches near the end of the ritual
captionTimers.push(setTimeout(()=>{
if (!State.powered) return;
setBroadcasting(false); // refresh reels/tube from current state
els.body.classList.add("broadcasting"); // tube ignites
els.onairLabel.textContent = "ON AIR";
}, 5200));
captionTimers.push(setTimeout(()=>{
if (!State.powered) return;
setLock(1);
State.warming = false;
}, 5600));
}
async function powerOn(){
if (State.powered) return;
// FIRST gesture: create + resume the single AudioContext, THEN audio.
initAudio();
try{ await Sound.ctx.resume(); }catch(e){}
State.powered = true;
els.body.classList.add("powered");
els.power.setAttribute("aria-pressed","true");
els.pwrTxt.innerHTML = "POWER · ON";
els.handset.disabled = false;
els.body.classList.add("broadcasting"); // light the ON AIR sign the moment we're powered
els.onairLabel.textContent = "ON AIR";
runWarmup(); // visual-only tube warm-up (non-blocking)
updateHissForTuning();
applyMeter(); // gauge -> SIGNAL
rampGain(Sound.crackleGain, 0.05, 0.6); // bring up the vinyl/room bed
playSonicLogo(); // a warm sting as the station comes alive
startDrums();
if (!Sound.stalls) fetchStalls().then(s=>{ Sound.stalls = s; });
if (!Sound.fragments) fetchFragments().then(f=>{ Sound.fragments = f; });
requestLocale(); // resolve real local weather (permission prompt) in the background
State.lastVoiceEnd = performance.now();
showCaption("… tuning in …", "status");
if (!State.songs) State.songs = await fetchSongs();
runShow(); // autonomous show: generated songs back-to-back (C2 weaves DJ talk in)
}
function powerOff(){
State.powered = false;
clearWarmup();
setWarm(0); setLock(0);
els.body.classList.remove("powered","broadcasting","intimate","locked");
els.power.setAttribute("aria-pressed","false");
els.pwrTxt.innerHTML = "POWER · OFF";
els.handset.disabled = true;
els.onairLabel.textContent = "STANDBY";
setBroadcasting(false);
if (State.songPlayer){ try{ State.songPlayer.stop(); }catch(_){} State.songPlayer = null; }
State.songPlaying = false;
try{ if (Sound.voiceEl) Sound.voiceEl.pause(); }catch(e){}
if (Sound.ctx){ rampGain(Sound.hissGain, 0, 0.3); rampGain(Sound.padGain, 0, 0.3); rampGain(Sound.crackleGain, 0, 0.3); rampGain(Sound.drumGain, 0, 0.3); }
stopDrums();
drawDial();
applyMeter(); // gauge caption -> "—"
showCaption("Turn the power knob to tune in…");
}
function togglePower(){ State.powered ? powerOff() : powerOn(); }
// ---- analog VU needle + idle broadcast loop on a single rAF ----
function roundRect(c,x,y,w,h,r){
c.beginPath();
c.moveTo(x+r,y);
c.arcTo(x+w,y,x+w,y+h,r);
c.arcTo(x+w,y+h,x,y+h,r);
c.arcTo(x,y+h,x,y,r);
c.arcTo(x,y,x+w,y,r);
c.closePath();
}
let vuRms = 0; // smoothed needle source
function loop(){
requestAnimationFrame(loop);
const c = els.vuCanvas, ctx = c.getContext("2d");
const dpr = window.devicePixelRatio || 1;
if (c.width !== Math.round(c.clientWidth*dpr) || c.height !== Math.round(c.clientHeight*dpr)){
c.width = Math.round(c.clientWidth*dpr); c.height = Math.round(c.clientHeight*dpr);
}
ctx.setTransform(dpr,0,0,dpr,0,0);
const w = c.clientWidth, h = c.clientHeight;
if (!w || !h) return;
ctx.clearRect(0,0,w,h);
let rms = 0;
if (Sound.analyser){
Sound.analyser.getByteFrequencyData(Sound.vuData);
let sum = 0;
for (let i=0;i<Sound.vuData.length;i++){ const v = Sound.vuData[i]/255; sum += v*v; }
rms = Math.sqrt(sum/Sound.vuData.length);
}
// smooth the needle so it sways like a real meter
vuRms += (rms - vuRms) * 0.18;
// ---- cream 1970s analog meter face ----
const face = ctx.createLinearGradient(0,0,0,h);
face.addColorStop(0, "#ead7ac");
face.addColorStop(1, "#9f8350");
ctx.fillStyle = face;
roundRect(ctx, 6, 6, w-12, h-12, 6);
ctx.fill();
// tick marks
ctx.strokeStyle = "rgba(40,25,10,.45)";
ctx.lineWidth = 1;
for (let i=0;i<=10;i++){
const x = 22 + i*((w-44)/10);
const tall = i % 5 === 0;
ctx.beginPath();
ctx.moveTo(x, h-24);
ctx.lineTo(x, h-(tall?40:32));
ctx.stroke();
}
// red zone at the top end
ctx.strokeStyle = "rgba(150,30,20,.6)";
for (let i=8;i<=10;i++){
const x = 22 + i*((w-44)/10);
ctx.beginPath(); ctx.moveTo(x, h-24); ctx.lineTo(x, h-40); ctx.stroke();
}
// "VU" label
ctx.fillStyle = "rgba(55,34,16,.8)";
ctx.font = "700 9px 'Marcellus SC', Georgia, serif";
ctx.textAlign = "center";
ctx.fillText("VU", w/2, 22);
// the single moving needle, driven by the same rms
const cx = w/2, cy = h + 8;
const ang = -Math.PI*0.72 + Math.min(1, vuRms*2.2) * Math.PI*0.44;
ctx.strokeStyle = "#5a1b12"; ctx.lineWidth = 2;
ctx.beginPath(); ctx.moveTo(cx, cy);
ctx.lineTo(cx + Math.cos(ang)*(h*0.92), cy + Math.sin(ang)*(h*0.92)); ctx.stroke();
// pivot cap
ctx.fillStyle = "#5a1b12"; ctx.beginPath(); ctx.arc(cx, cy, 3, 0, Math.PI*2); ctx.fill();
// idle broadcast loop: if powered, locked, quiet for ~20s, fetch next segment
if (State.powered && !State.busy && !State.recording && !State.showRunning){
const quietFor = performance.now() - State.lastVoiceEnd;
const locked = Math.abs(State.freq - NIGHTWAVE_FREQ) <= LOCK_BAND;
if (locked && quietFor > 20000 && (!Sound.voiceEl || Sound.voiceEl.paused)){
broadcast();
}
}
}
// (time-drip realization meter retired -- the station no longer has an arc)
/* ---- seed controls ---- */
function applySeedFromURL(){
applyMeter(); // initialize the SIGNAL gauge (arc seed params retired)
}
function onGlobalKey(e){
// (the d / Shift+D arc-seed shortcuts were retired with the realization arc)
}
/* ---- WIRING ---- */
function wire(){
// power
els.power.addEventListener("click", togglePower);
els.power.addEventListener("keydown", e=>{ if (e.key==="Enter"||e.key===" "){ e.preventDefault(); togglePower(); }});
// dial drag
els.dialFrame.addEventListener("pointerdown", onDialDown);
els.dialFrame.addEventListener("pointermove", onDialMove);
window.addEventListener("pointerup", onDialUp);
window.addEventListener("pointercancel", onDialUp);
els.needle.addEventListener("keydown", onNeedleKey);
// handset tap-to-talk (pointer + keyboard): tap to connect+talk, tap again to send
els.handset.addEventListener("pointerdown", toggleCall);
els.handset.addEventListener("keydown", e=>{
if (e.key==="Enter"||e.key===" "){ e.preventDefault(); toggleCall(e); }
});
// global: Space toggles talk/send, Esc hangs up -- works anywhere
window.addEventListener("keydown", e=>{
if (e.repeat) return;
if (e.key === "Escape" && els.innovScrim && !els.innovScrim.hidden){ e.preventDefault(); closeInnov(); return; }
if (e.key === " " || e.code === "Space"){
if (!State.powered || document.activeElement === els.power) return; // power knob keeps Space
const tag = document.activeElement && document.activeElement.tagName;
if (tag === "INPUT" || tag === "TEXTAREA") return;
e.preventDefault();
toggleCall(e);
} else if (e.key === "Escape" && (State.recording || State.connecting)){
e.preventDefault();
if (State.recording){ stopCall(e); }
else { // abort the caller-intro "connecting" window before the mic opens
State.connecting = false;
try{ Sound.voiceEl && Sound.voiceEl.pause(); }catch(_){}
onVoiceEnded();
showCaption("… call cancelled …", "status");
}
}
});
// Hidden judge demo trigger: ?demo=1 + Shift+D queues a caller dedication for the
// next break, so the callback is reliably demoable. Not visible product UI.
if (/[?&]demo=1\b/.test(location.search)){
State.demo = true;
window.addEventListener("keydown", e=>{
if (e.shiftKey && (e.key === "D" || e.key === "d")){
e.preventDefault();
queueDedication(State.sessionMemory ||
{ caller_name:null, place:null, topic:"the night owls keeping a light on", mood:"warm" });
showCaption("… demo: dedication queued for the next break …", "status");
}
if (e.shiftKey && (e.key === "C" || e.key === "c")){
e.preventDefault();
maybeGenerateCard(true).then(ok => showCaption(ok ? "… demo: a new record was pressed …" : "… demo: signal too thin — no record this time …", "status"));
}
});
}
// next / captions
els.nextBtn.addEventListener("click", ()=>{
if (!State.powered){ powerOn(); return; }
if (!State.busy){ State.lastVoiceEnd = 0; broadcast(); }
});
els.capToggle.addEventListener("click", ()=>{
State.captionsOn = !State.captionsOn;
els.capToggle.setAttribute("aria-pressed", String(State.captionsOn));
els.capToggle.textContent = "CAPTIONS: " + (State.captionsOn ? "ON" : "OFF");
if (!State.captionsOn){ els.caption.textContent = ""; els.transcript.innerHTML = ""; }
});
// station-log overlay (the "i" button)
els.infoBtn.addEventListener("click", openInnov);
els.innovClose.addEventListener("click", closeInnov);
els.innovScrim.addEventListener("click", e=>{ if (e.target === els.innovScrim) closeInnov(); });
// global seed keys
window.addEventListener("keydown", onGlobalKey);
// redraw dial on resize
let rt;
window.addEventListener("resize", ()=>{ clearTimeout(rt); rt=setTimeout(drawDial, 120); });
}
/* ---- INIT ---- */
function init(){
wire();
drawDial();
setMood("warm");
setFreq(NIGHTWAVE_FREQ, false);
applySeedFromURL();
applyMeter();
requestAnimationFrame(loop);
}
init();
</script>
</body>
</html>
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