The game works!

1 files changed, 44 insertions, 3 deletions

diff --git a/src/main.rs b/src/main.rs
index 3c98db2..2f8d5a5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,7 +20,7 @@ use axum::{
 use axum_extra::extract::CookieJar;
 use maud::{html, Markup, PreEscaped, DOCTYPE};
 use rand::random;
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 use tokio::sync::{
     broadcast::{self, Receiver, Sender},
     Mutex,
@@ -50,7 +50,7 @@ fn handle_panic(err: Box<dyn std::any::Any + Send + 'static>) -> Response {
 #[derive(Hash, Eq, PartialEq, Copy, Clone, Debug, PartialOrd, Ord, Deserialize)]
 struct UserId(u64);
 
-#[derive(Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 struct NoteDatum {
     // Epoch time in ms
     time: u64,
@@ -239,6 +239,18 @@ impl Game {
         };
         let gid = self.id;
 
+        let Some(notes) = self.submissions.get(&r.author) else {
+            return html! {
+                h1 { "No song!" }
+                p { "This user didn't submit anything!" }
+            };
+        };
+
+        let notes_json = serde_json::to_value(&notes.notes)
+            .context("Convert to json should work")
+            .unwrap()
+            .to_string();
+
         html! {
             h1 { (format!("Round {i}/{n}"))}
             p { "Author was " (r.author.0)}
@@ -246,6 +258,35 @@ impl Game {
                 input placeholder="Your guess..." name="guess" {};
                 input type="submit" hx-post=(format!("/game/{gid}/guess")) hx-target="#form-guess" {};
             }
+
+            script { (PreEscaped(format!(r#"
+const notes = {notes_json};
+{}"#, r#"
+const context = new AudioContext();
+
+function loadSample(url) {
+    return fetch(url)
+        .then(response => response.arrayBuffer())
+        .then(buffer => context.decodeAudioData(buffer));
+}
+
+function playSoundSample(sample, sampleNote, noteToPlay) {
+    const source = context.createBufferSource();
+    source.buffer = sample;
+    source.playbackRate.value = 2 ** ((noteToPlay - sampleNote) / 12);
+    source.connect(context.destination);
+    source.start(0);
+}
+
+const soundUrl = "/static/dog.mp3";
+loadSample(soundUrl).then((sample) => {
+    const t0 = notes[0].time - 1_000;
+    notes.forEach(({time, y}) => {
+        const pitch = 60 + 12 * y;
+        setTimeout(() =>  playSoundSample(sample, 60, pitch), time - t0);
+    });
+});
+"#)))}
         }
     }
 
@@ -275,7 +316,7 @@ impl Game {
                 data-accept=(accept)
                 hx-post=(post)
                 hx-swap="outerHTML"
-                { (g) }
+                { (g) " (click to toggle)"}
         }
     }