From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: gegy1000 <gegy1000@gmail.com>
Date: Mon, 28 Sep 2020 14:20:17 -0500
Subject: [PATCH] Tic-Tacs Threading Fix


diff --git a/src/main/java/net/minecraft/server/WeightedList.java b/src/main/java/net/minecraft/server/WeightedList.java
index 5d9d58411f2fad9d5da703f964d269b4a7c2b205..b9c0037cdfe54fcd5ed6c887f9902be3a2deadba 100644
--- a/src/main/java/net/minecraft/server/WeightedList.java
+++ b/src/main/java/net/minecraft/server/WeightedList.java
@@ -64,9 +64,30 @@ public class WeightedList<U> {
         return this.list.stream().map(WeightedList.a::a); // Paper - decompile conflict
     }
 
+    // Yatopia Start - Tic Tacs threading fix
+    public U b(Random random) {
+        WeightedList.a<U> selectedEntry = null;
+        double selectedValue = 0.0;
+
+        for (WeightedList.a<U> entry : this.list) {
+            double value = Math.pow(random.nextFloat(), 1.0F / entry.b);
+            if (value > selectedValue) {
+                selectedEntry = entry;
+                selectedValue = value;
+            }
+        }
+
+        if (selectedEntry == null) {
+            throw new IllegalStateException("no entries in WeightedList");
+        }
+
+        return selectedEntry.a();
+    }
+    /*
     public U b(Random random) {
         return this.a(random).c().findFirst().orElseThrow(RuntimeException::new);
     }
+    */ //Yatopia End
 
     public String toString() {
         return "WeightedList[" + this.list + "]"; // Paper - decompile conflict