Paper/Spigot-Server-Patches/0578-Fix-block-data-exception-when-cancelling-PortalCreat.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Thu, 10 Sep 2020 09:00:02 +0100
Subject: [PATCH] Fix block data exception when cancelling PortalCreateEvent


diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 8b1e866b3e0362d3a391586bbf14702dc25b8c00..464a606cba532cb96d40e2aef1395972000f1d89 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -1028,7 +1028,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
             Optional<BlockUtil.Rectangle> optional1 = worldserver.getTravelAgent().createPortal(blockposition, enumdirection_enumaxis, this, createRadius); // CraftBukkit
 
             if (!optional1.isPresent()) {
-                EntityPlayer.LOGGER.error("Unable to create a portal, likely target out of worldborder");
+                //EntityPlayer.LOGGER.error("Unable to create a portal, likely target out of worldborder"); // Paper
             }
 
             return optional1;
diff --git a/src/main/java/net/minecraft/server/PortalTravelAgent.java b/src/main/java/net/minecraft/server/PortalTravelAgent.java
index 205f3f697e9c31674a4ac8db38467bb2e61cfe6b..9273fc22df2c9618efb09a8f95fd7e7f08652f88 100644
--- a/src/main/java/net/minecraft/server/PortalTravelAgent.java
+++ b/src/main/java/net/minecraft/server/PortalTravelAgent.java
@@ -120,6 +120,7 @@ public class PortalTravelAgent {
             EnumDirection enumdirection1 = enumdirection.g();
 
             if (!worldborder.a(blockposition1)) {
+                MinecraftServer.LOGGER.error("Unable to create a portal, likely target out of worldborder"); // Paper - restore this message
                 return Optional.empty();
             }
 
@@ -160,7 +161,7 @@ public class PortalTravelAgent {
         this.world.getServer().getPluginManager().callEvent(event);
         if (!event.isCancelled()) {
             blockList.updateList();
-        }
+        } else return Optional.empty(); // Paper
         // CraftBukkit end
         return Optional.of(new BlockUtil.Rectangle(blockposition1.immutableCopy(), 2, 3));
     }