From e3ccfeba9f48a5d80e59fe2f752cf833012a93c5 Mon Sep 17 00:00:00 2001
From: Fingercomp <fingercomp@fomalhaut.me>
Date: Sun, 3 Aug 2025 15:43:27 +0300
Subject: [PATCH] Fix a race when spawning ocelot log particles

---
 .../desktop/node/OcelotLogParticleNode.scala  | 23 +++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/main/scala/ocelot/desktop/node/OcelotLogParticleNode.scala b/src/main/scala/ocelot/desktop/node/OcelotLogParticleNode.scala
index b45939f..3d2554a 100644
--- a/src/main/scala/ocelot/desktop/node/OcelotLogParticleNode.scala
+++ b/src/main/scala/ocelot/desktop/node/OcelotLogParticleNode.scala
@@ -13,12 +13,27 @@ import ocelot.desktop.ui.particle.Particle
 import scala.util.Random
 
 trait OcelotLogParticleNode extends Node {
+  private var queuedParticles: Int = 0
+
   eventHandlers += {
     case BrainEvent(OcelotInterface.LogEvent.CardToUser(_, _)) =>
-      val system = UiHandler.root.workspaceView.particleSystem
-      if (system.count[LogParticle](Some(this)) < MaxLogParticles) {
-        system.add(new LogParticle)
-      }
+      synchronized(queuedParticles += 1)
+  }
+
+  override def update(): Unit = {
+    super.update()
+    spawnParticles()
+  }
+
+  private def spawnParticles(): Unit = synchronized {
+    val system = UiHandler.root.workspaceView.particleSystem
+    val toSpawn = queuedParticles min (MaxLogParticles - system.count[LogParticle](Some(this))) max 0
+
+    for (_ <- 0 until toSpawn) {
+      system.add(new LogParticle)
+    }
+
+    queuedParticles = 0
   }
 
   private class LogParticle extends Particle(time = -LogParticleGrow, speed = LogParticleMoveSpeed, origin = Some(this)) {