Crookfinger's voice: he babbles in a squeaky imp language in the rhythm of his hints, important messages and the mission briefings (can be switched off in the sound settings)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/game.rs

@@ -54,14 +54,24 @@ pub enum Sfx {
     Convert,
     Slap,
     Punch,
+    // Crookfinger's voice: squeaky syllables
+    Voice1,
+    Voice2,
+    Voice3,
+    Voice4,
+    Voice5,
+    Voice6,
 }
 
-pub const SFX_ALL: [Sfx; 36] = [
+pub const VOICE_SYLLABLES: [Sfx; 6] = [Sfx::Voice1, Sfx::Voice2, Sfx::Voice3, Sfx::Voice4, Sfx::Voice5, Sfx::Voice6];
+
+pub const SFX_ALL: [Sfx; 42] = [
     Sfx::Dig, Sfx::GoldDig, Sfx::DigDone, Sfx::Claim, Sfx::Deposit, Sfx::Build, Sfx::Sell, Sfx::MeleeHit,
     Sfx::Shoot, Sfx::Death, Sfx::HeroDeath, Sfx::Lightning, Sfx::Heal, Sfx::Summon, Sfx::PortalArrive,
     Sfx::WaveAlarm, Sfx::WaveStart, Sfx::CoreHit, Sfx::GateHit, Sfx::GateDefenders, Sfx::LevelUp,
     Sfx::Pickup, Sfx::Drop, Sfx::Payday, Sfx::FlagSet, Sfx::Victory, Sfx::Defeat, Sfx::Click, Sfx::Error,
     Sfx::Reinforce, Sfx::Cannon, Sfx::Magic, Sfx::Capture, Sfx::Convert, Sfx::Slap, Sfx::Punch,
+    Sfx::Voice1, Sfx::Voice2, Sfx::Voice3, Sfx::Voice4, Sfx::Voice5, Sfx::Voice6,
 ];
 
 impl Sfx {

src/main.rs

@@ -30,6 +30,7 @@ mod sound;
 mod spells;
 mod touch;
 mod ui;
+mod voice;
 mod wilds;
 mod xm;
 
@@ -402,6 +403,8 @@ async fn main() {
     // until the mouse has really moved its position is (0, 0): no edge scrolling before that
     let mut mouse_moved = false; // automatic mode: touch interface after a touch, desktop after a mouse click
     let mut autosave_t = 0.0f32;
+    let mut voice = voice::Voice::new();
+    let mut was_briefing = false;
     let mut cache_t = 0.0f32;
 
     loop {
@@ -1028,8 +1031,24 @@ async fn main() {
             );
         music.update(&app.game, on_title, (app.cam.tx, app.cam.tz));
         for m in app.game.msgs.drain(..) {
+            if app.settings.voice && voice::speaks(m.key) {
+                voice.say(&i18n::trf(m.key, &m.args), now, 12);
+            }
             ui.log.push((m, now));
         }
+        // a briefing opens: Crookfinger tells the story
+        let briefing = matches!(menu.page, Some(Page::Briefing { .. }));
+        if briefing && !was_briefing && app.settings.voice {
+            if let Some(Page::Briefing { mission, .. }) = menu.page {
+                let key = campaign::missions().get(mission).map(|d| format!("camp.{}.story", d.key)).unwrap_or_default();
+                voice.say(&i18n::tr(&key), now, 22);
+            }
+        }
+        if !briefing && was_briefing {
+            voice.stop();
+        }
+        was_briefing = briefing;
+        voice.update(now, if app.settings.muted { 0.0 } else { app.settings.volume });
 
         draw_frame(&mut app, &gfx, &mut r3d, &mut ui, &mut menu, &cloud, &inp, (mx, my), touch_mode, now);
         next_frame().await

src/menu.rs

@@ -50,12 +50,13 @@ pub enum Item {
     GameSpeed,
     Hints,
     TouchUi,
+    Voice,
 }
 
 fn tab_items(tab: usize) -> &'static [Item] {
     use Item::*;
     match tab {
-        0 => &[Language, Volume, MusicVolume, Mute],
+        0 => &[Language, Volume, MusicVolume, Mute, Voice],
         1 => &[RotateSpeed, ZoomSpeed, EdgeScroll, InvertMouse],
         2 => &[Outlines, WallDetail, Lights, UiScale, RenderScale],
         3 => &[GameSpeed, Hints, TouchUi],
@@ -81,6 +82,7 @@ fn item_label(it: Item) -> String {
         Item::GameSpeed => "set.game_speed",
         Item::Hints => "set.hints",
         Item::TouchUi => "set.touch_ui",
+        Item::Voice => "set.voice",
     })
 }
 
@@ -98,6 +100,7 @@ fn item_value(it: Item, s: &Settings) -> String {
         Item::Volume => pct(s.volume),
         Item::MusicVolume => pct(s.music_volume),
         Item::Mute => onoff(s.muted),
+        Item::Voice => onoff(s.voice),
         Item::RotateSpeed => pct(s.rotate_speed),
         Item::ZoomSpeed => pct(s.zoom_speed),
         Item::EdgeScroll => onoff(s.edge_scroll),
@@ -155,6 +158,7 @@ fn item_change(it: Item, s: &mut Settings, d: i32) {
         Item::Volume => s.volume = step(s.volume, d, 0.0, 1.0, 0.1),
         Item::MusicVolume => s.music_volume = step(s.music_volume, d, 0.0, 1.0, 0.1),
         Item::Mute => s.muted = !s.muted,
+        Item::Voice => s.voice = !s.voice,
         Item::RotateSpeed => s.rotate_speed = step(s.rotate_speed, d, 0.25, 2.5, 0.25),
         Item::ZoomSpeed => s.zoom_speed = step(s.zoom_speed, d, 0.25, 2.5, 0.25),
         Item::EdgeScroll => s.edge_scroll = !s.edge_scroll,

src/settings.rs

@@ -136,6 +136,7 @@ pub struct Settings {
     pub volume: f32,
     pub music_volume: f32,
     pub muted: bool,
+    pub voice: bool, // Crookfinger's babbling voice
     // camera
     pub rotate_speed: f32,
     pub zoom_speed: f32,
@@ -165,6 +166,7 @@ impl Default for Settings {
             volume: 0.7,
             music_volume: 0.6,
             muted: false,
+            voice: true,
             rotate_speed: 1.0,
             zoom_speed: 1.0,
             edge_scroll: true,

src/sfx.rs

@@ -157,6 +157,13 @@ fn def(s: Sfx, r: f32) -> Vec<f32> {
         Sfx::Convert => l(&arp(Saw, &[220.0, 262.0, 330.0, 440.0], 0.1, 0.22), 47),
         Sfx::Slap => mix(vec![l(&[seg(Noise, 5000.0, 2500.0, 0.06, 0.5, 40.0)], 48), l(&[seg(Square(0.5), 900.0, 500.0, 0.05, 0.12, 30.0)], 49)]),
         Sfx::Punch => mix(vec![l(&[seg(Tri, 160.0, 60.0, 0.15, 0.8, 18.0)], 50), l(&[seg(Noise, 3000.0, 800.0, 0.08, 0.4, 30.0)], 51)]),
+        // Crookfinger's syllables: a nasal squeak gliding up or down, some with a hissy consonant
+        Sfx::Voice1 => mix(vec![l(&[vib(seg(Square(0.2), 620.0, 760.0, 0.08, 0.16, 6.0), 0.04)], 60), l(&[seg(Noise, 6000.0, 4000.0, 0.02, 0.05, 40.0)], 61)]),
+        Sfx::Voice2 => l(&[vib(seg(Square(0.18), 780.0, 600.0, 0.09, 0.16, 6.0), 0.05)], 62),
+        Sfx::Voice3 => mix(vec![l(&[vib(seg(Square(0.22), 520.0, 640.0, 0.07, 0.15, 7.0), 0.03)], 63), l(&[seg(Tri, 260.0, 300.0, 0.07, 0.12, 8.0)], 64)]),
+        Sfx::Voice4 => l(&[seg(Square(0.15), 900.0, 980.0, 0.05, 0.13, 10.0), vib(seg(Square(0.2), 700.0, 560.0, 0.06, 0.14, 8.0), 0.04)], 65),
+        Sfx::Voice5 => mix(vec![l(&[vib(seg(Square(0.25), 470.0, 560.0, 0.1, 0.15, 5.0), 0.06)], 66), l(&[seg(Noise, 3000.0, 2000.0, 0.025, 0.06, 30.0)], 67)]),
+        Sfx::Voice6 => l(&[vib(seg(Square(0.2), 680.0, 820.0, 0.06, 0.15, 9.0), 0.05), seg(Square(0.2), 820.0, 700.0, 0.04, 0.12, 12.0)], 68),
     }
 }
 

src/voice.rs

@@ -0,0 +1,71 @@
+// Crookfinger's voice: he "speaks" in a squeaky made-up imp language - short synthesised
+// syllables in the rhythm of the text (the text itself is shown as usual).
+
+use crate::audio;
+use crate::game::VOICE_SYLLABLES;
+
+pub struct Voice {
+    queue: Vec<(f64, usize)>, // time, sound index
+    busy_until: f64,
+}
+
+// which messages Crookfinger says out loud
+pub fn speaks(key: &str) -> bool {
+    key.starts_with("hint.")
+        || key.starts_with("msg.wave_warn")
+        || matches!(
+            key,
+            "msg.payday_soon" | "msg.researched" | "msg.mission_start" | "msg.mission_won" | "msg.rune_chest" | "msg.trap_made" | "msg.revenant_rises" | "msg.altar_gift" | "msg.altar_blessing" | "msg.brawl" | "msg.alarm" | "msg.creature_freed" | "msg.spring_taken"
+        )
+}
+
+impl Voice {
+    pub fn new() -> Voice {
+        Voice { queue: Vec::new(), busy_until: 0.0 }
+    }
+
+    // babble a text: one syllable per vowel group, pauses at spaces and punctuation
+    pub fn say(&mut self, text: &str, now: f64, max_syllables: usize) {
+        if now < self.busy_until {
+            return;
+        }
+        let mut t = now + 0.05;
+        let mut n = 0;
+        let mut h: u32 = 2166136261;
+        let mut in_vowel = false;
+        for ch in text.chars() {
+            h = (h ^ ch as u32).wrapping_mul(16777619);
+            let vowel = "aeiouäöüyAEIOUÄÖÜY".contains(ch);
+            if vowel && !in_vowel {
+                let v = VOICE_SYLLABLES[(h >> 7) as usize % VOICE_SYLLABLES.len()];
+                self.queue.push((t, v.index()));
+                t += 0.085 + ((h >> 13) % 4) as f64 * 0.012;
+                n += 1;
+                if n >= max_syllables {
+                    break;
+                }
+            }
+            in_vowel = vowel;
+            match ch {
+                ' ' => t += 0.035,
+                ',' | ';' | '-' => t += 0.14,
+                '.' | '!' | '?' => t += 0.28,
+                _ => {}
+            }
+        }
+        self.busy_until = t + 4.0;
+    }
+
+    pub fn update(&mut self, now: f64, volume: f32) {
+        let due: Vec<usize> = self.queue.iter().filter(|q| q.0 <= now).map(|q| q.1).collect();
+        self.queue.retain(|q| q.0 > now);
+        for i in due {
+            audio::play_sfx(i, 0.75 * volume.max(0.0), 0.0);
+        }
+    }
+
+    pub fn stop(&mut self) {
+        self.queue.clear();
+    }
+}
+