From 6ecbf19406b5ae72022ea4a0280f4f22eabeea53 Mon Sep 17 00:00:00 2001
From: Matthew Miller <mnmiller1@me.com>
Date: Mon, 8 Oct 2018 22:32:07 +1000
Subject: [PATCH] Properly rotate fences etc

---
 .../transform/BlockTransformExtent.java       | 30 ++++++++++++++++++-
 worldedit-sponge/build.gradle                 |  2 +-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java
index 7b44ce4b5..8fea3cb81 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java
@@ -21,6 +21,7 @@ package com.sk89q.worldedit.extent.transform;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
+import com.google.common.collect.Sets;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.world.block.BaseBlock;
@@ -33,6 +34,11 @@ import com.sk89q.worldedit.util.Direction;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.stream.Collectors;
+
 import javax.annotation.Nullable;
 
 /**
@@ -105,6 +111,8 @@ public class BlockTransformExtent extends AbstractDelegateExtent {
         return transform(block, transform, block);
     }
 
+    private static final Set<String> directionNames = Sets.newHashSet("north", "south", "east", "west");
+
     /**
      * Transform the given block using the given transform.
      *
@@ -117,7 +125,9 @@ public class BlockTransformExtent extends AbstractDelegateExtent {
         checkNotNull(block);
         checkNotNull(transform);
 
-        for (Property property : block.getBlockType().getProperties()) {
+        List<? extends Property> properties = block.getBlockType().getProperties();
+
+        for (Property property : properties) {
             if (property instanceof DirectionalProperty) {
                 Direction value = (Direction) block.getState(property);
                 if (value != null) {
@@ -129,6 +139,24 @@ public class BlockTransformExtent extends AbstractDelegateExtent {
             }
         }
 
+        List<String> directionalProperties = properties.stream()
+                .filter(prop -> directionNames.contains(prop.getName()))
+                .filter(prop -> ((Boolean) block.getState(prop)))
+                .map(Property::getName)
+                .map(String::toUpperCase)
+                .map(Direction::valueOf)
+                .map(dir -> Direction.findClosest(transform.apply(dir.toVector()), Direction.Flag.CARDINAL))
+                .filter(Objects::nonNull)
+                .map(Direction::name)
+                .map(String::toLowerCase)
+                .collect(Collectors.toList());
+
+        if (directionalProperties.size() > 0) {
+            for (String directionName : directionNames) {
+                changedBlock = (T) changedBlock.with(block.getBlockType().getProperty(directionName), directionalProperties.contains(directionName));
+            }
+        }
+
         return changedBlock;
     }
 
diff --git a/worldedit-sponge/build.gradle b/worldedit-sponge/build.gradle
index ec3da06c1..4aac1db72 100644
--- a/worldedit-sponge/build.gradle
+++ b/worldedit-sponge/build.gradle
@@ -9,7 +9,7 @@ buildscript {
 
 plugins {
     id 'signing'
-    id 'org.spongepowered.plugin' version '0.8.1'
+    id 'org.spongepowered.plugin' version '0.9.0'
 }
 
 repositories {