PaperMC/Spigot-Server-Patches/0090-Workaround-for-setting-passengers-on-players.patch

From 9db84e37e3f5597fe44b7947491d23aa465d7b7d Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sun, 10 Apr 2016 03:23:32 -0500
Subject: [PATCH] Workaround for setting passengers on players

SPIGOT-1915 & GH-114

diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 34ae74700..cc31b8d4a 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -755,6 +755,17 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
         return true;
     }
 
+    // Paper start - Ugly workaround for SPIGOT-1915 & GH-114
+    @Override
+    public boolean setPassenger(org.bukkit.entity.Entity passenger) {
+        boolean wasSet = super.setPassenger(passenger);
+        if (wasSet) {
+            this.getHandle().playerConnection.sendPacket(new net.minecraft.server.PacketPlayOutMount(this.getHandle()));
+        }
+        return wasSet;
+    }
+    // Paper end
+
     @Override
     public void setSneaking(boolean sneak) {
         getHandle().setSneaking(sneak);
-- 
2.21.0