From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Thu, 23 Aug 2018 09:25:30 -0500
Subject: [PATCH] Fix MC-124320


diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index 247d9300a755aa22c2ca3bcef86b3b25f3ed75ee..bbd2e1be0f401d7e267dcfa2c905f42c2a475dd7 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -93,6 +93,7 @@ public class Block extends BlockBase implements IMaterial {
         return this == block;
     }
 
+    public static IBlockData getValidBlockForPosition(IBlockData iblockdata, GeneratorAccess generatoraccess, BlockPosition blockposition) { return Block.b(iblockdata, generatoraccess, blockposition); } // Paper - OBFHELPER
     public static IBlockData b(IBlockData iblockdata, GeneratorAccess generatoraccess, BlockPosition blockposition) {
         IBlockData iblockdata1 = iblockdata;
         BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
diff --git a/src/main/java/net/minecraft/server/EntityEnderman.java b/src/main/java/net/minecraft/server/EntityEnderman.java
index 7c13e5b711706c8aaa363d80350597a52920f12b..8da3b10cd6db379cf5d9d667154dd8911813284b 100644
--- a/src/main/java/net/minecraft/server/EntityEnderman.java
+++ b/src/main/java/net/minecraft/server/EntityEnderman.java
@@ -391,8 +391,9 @@ public class EntityEnderman extends EntityMonster implements IEntityAngerable {
             if (block.a((Tag) TagsBlock.ENDERMAN_HOLDABLE) && flag) {
                 // CraftBukkit start - Pickup event
                 if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(this.enderman, blockposition, Blocks.AIR.getBlockData()).isCancelled()) {
-                    this.enderman.setCarried(iblockdata);
+                    //this.enderman.setCarried(iblockdata); // Paper - moved down
                     world.a(blockposition, false);
+                    this.enderman.setCarried(Block.getValidBlockForPosition(iblockdata, this.enderman.world, blockposition)); // Paper - Fix MC-124320
                 }
                 // CraftBukkit end
             }
@@ -402,6 +403,7 @@ public class EntityEnderman extends EntityMonster implements IEntityAngerable {
 
     static class PathfinderGoalEndermanPlaceBlock extends PathfinderGoal {
 
+        private EntityEnderman getEnderman() { return this.a; } // Paper - OBFHELPER
         private final EntityEnderman a;
 
         public PathfinderGoalEndermanPlaceBlock(EntityEnderman entityenderman) {
@@ -424,7 +426,7 @@ public class EntityEnderman extends EntityMonster implements IEntityAngerable {
             IBlockData iblockdata = world.getType(blockposition);
             BlockPosition blockposition1 = blockposition.down();
             IBlockData iblockdata1 = world.getType(blockposition1);
-            IBlockData iblockdata2 = this.a.getCarried();
+            IBlockData iblockdata2 = Block.getValidBlockForPosition(getEnderman().getCarried(), getEnderman().world, blockposition); // Paper - Fix MC-124320
 
             if (iblockdata2 != null && this.a(world, blockposition, iblockdata2, iblockdata, iblockdata1, blockposition1)) {
                 // CraftBukkit start - Place event