Almost finished the state system. Just got to have it actually load in the values.

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitBlockRegistry.java

@@ -20,12 +20,15 @@
 package com.sk89q.worldedit.bukkit;
 
 import com.sk89q.worldedit.blocks.BlockMaterial;
+import com.sk89q.worldedit.registry.state.Property;
+import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 import com.sk89q.worldedit.world.registry.BundledBlockRegistry;
 import com.sk89q.worldedit.world.registry.PassthroughBlockMaterial;
 import org.bukkit.Material;
 
 import java.util.EnumMap;
+import java.util.List;
 import java.util.Map;
 
 import javax.annotation.Nullable;
@@ -41,6 +44,23 @@ public class BukkitBlockRegistry extends BundledBlockRegistry {
                 material -> new BukkitBlockMaterial(BukkitBlockRegistry.super.getMaterial(id), material));
     }
 
+    @Override
+    public List<Object> getPropertyValues(BlockType blockType, Property<?> property) {
+        if (WorldEditPlugin.getInstance().getBukkitImplAdapter() != null) {
+            return WorldEditPlugin.getInstance().getBukkitImplAdapter().getPropertyValues(blockType, property);
+        }
+        return super.getPropertyValues(blockType, property);
+    }
+
+    @Nullable
+    @Override
+    public Map<String, ? extends Property> getProperties(BlockType blockType) {
+        if (WorldEditPlugin.getInstance().getBukkitImplAdapter() != null) {
+            return WorldEditPlugin.getInstance().getBukkitImplAdapter().getProperties(blockType);
+        }
+        return super.getProperties(blockType);
+    }
+
     public static class BukkitBlockMaterial extends PassthroughBlockMaterial {
 
         private final Material material;

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/BukkitImplAdapter.java

@@ -20,12 +20,17 @@
 package com.sk89q.worldedit.bukkit.adapter;
 
 import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.entity.BaseEntity;
+import com.sk89q.worldedit.world.block.BlockType;
 import org.bukkit.Location;
 import org.bukkit.block.Biome;
 import org.bukkit.entity.Entity;
 
+import java.util.List;
+import java.util.Map;
+
 import javax.annotation.Nullable;
 
 /**
@@ -91,4 +96,19 @@ public interface BukkitImplAdapter {
     Entity createEntity(Location location, BaseEntity state);
 
 
+    /**
+     * Get a list of values for a property.
+     *
+     * @param property The property
+     * @return The list of values
+     */
+    List<Object> getPropertyValues(BlockType blockType, Property<?> property);
+
+    /**
+     * Get a map of string -> properties
+     *
+     * @param blockType The block type
+     * @return The properties map
+     */
+    Map<String, ? extends Property> getProperties(BlockType blockType);
 }