Main builds again: a splitscreen share has the device tracker's fields, the stew particles reach served players

#3727's Audio::share predates #4527's device tracking fields, and #4515's stew
particles call lan_send_particles with #4761's old arguments.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

crates/horizon-client-render/src/audio.rs

@@ -1074,6 +1074,15 @@ impl Audio {
             heard: Default::default(),
             stopped: Default::default(),
             preview: Default::default(),
+            // The device belongs to the first player's output, which looks after it.
+            #[cfg(feature = "audio")]
+            default_seen: self.default_seen.clone(),
+            #[cfg(feature = "audio")]
+            cards_seen: self.cards_seen.clone(),
+            #[cfg(feature = "audio")]
+            devices_seen: self.devices_seen.clone(),
+            #[cfg(feature = "audio")]
+            device_ticks: 0,
         }
     }
     /// Sync the volume options, refreshing the categories that changed
@@ -1098,6 +1107,11 @@ impl Audio {
     /// at once a second.
     #[cfg(feature = "audio")]
     fn should_change_device(&mut self) -> bool {
+        // A splitscreen share plays through the first player's output: it leaves the device,
+        // and the mixer's lost flag, to that output.
+        if self.backend.owner != 0 {
+            return false;
+        }
         let (current, lost) = match self.backend.mixer.lock() {
             Ok(mut m) => (m.device_name.clone(), std::mem::take(&mut m.device_lost)),
             Err(_) => return false,

crates/horizon-client/src/game/creatures.rs

@@ -4902,7 +4902,15 @@ impl Game<'_> {
             // ALTERNATIVE_WITH_SPEED with a per-axis maximum speed.
             self.particles
                 .send_particles(&options, at, spread, 0.2, count);
-            self.lan_send_particles(&options, at, spread, 0.2, count);
+            self.lan_send_particles(super::lan_particles::QueuedParticle {
+                dimension: self.dim.id(),
+                options,
+                state: None,
+                at,
+                spread,
+                speed: 0.2,
+                count: count as i32,
+            });
         }
         // PlayerInteractTrigger: the item used on the mob, once the interaction took.
         if let Some(stack) = &held {