papermc/Spigot-Server-Patches/0092-Waving-banner-workaround.patch

From 6f283d5d1557aaa49bb6a9e1cee6835f59a5e1da Mon Sep 17 00:00:00 2001
From: Gabscap <sonstige.netzwerke@gabriel-paradzik.de>
Date: Sat, 19 Mar 2016 22:25:11 +0100
Subject: [PATCH] Waving banner workaround

This patch is a workaround for MC-63720

diff --git a/src/main/java/net/minecraft/server/PacketPlayOutUpdateTime.java b/src/main/java/net/minecraft/server/PacketPlayOutUpdateTime.java
index c5c3f40..3ed2356 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutUpdateTime.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutUpdateTime.java
@@ -4,7 +4,11 @@ import java.io.IOException;
 
 public class PacketPlayOutUpdateTime implements Packet<PacketListenerPlayOut> {
 
+    // World Age in ticks
+    // Not changed by server commands
     private long a;
+    // Time of Day in ticks
+    // If negative the sun will stop moving at the Math.abs of the time
     private long b;
 
     public PacketPlayOutUpdateTime() {}
@@ -19,6 +23,10 @@ public class PacketPlayOutUpdateTime implements Packet<PacketListenerPlayOut> {
             }
         }
 
+        // Paper start
+        this.a = this.a % 192000; // World age must not be negative
+        this.b = this.b % 192000 - (this.b < 0 ? 192000 : 0); // Keep sign
+        // Paper end
     }
 
     public void a(PacketDataSerializer packetdataserializer) throws IOException {
-- 
2.9.0