Revert "Using an array instead of an EnumMap isn't necessary here"

This reverts commit 240a817e

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

@@ -27,7 +27,6 @@ import com.sk89q.worldedit.world.block.BlockTypes;
 import com.sk89q.worldedit.world.registry.BlockMaterial;
 import com.sk89q.worldedit.world.registry.BundledBlockRegistry;
 import com.sk89q.worldedit.world.registry.PassthroughBlockMaterial;
-import java.util.EnumMap;
 import org.bukkit.Material;
 import org.bukkit.block.data.BlockData;
 
@@ -39,7 +38,7 @@ import java.util.OptionalInt;
 
 public class BukkitBlockRegistry extends BundledBlockRegistry {
 
-    private Map<Material, BukkitBlockMaterial> materialMap = new EnumMap<>(Material.class);
+    private BukkitBlockMaterial[] materialMap;
 
     @Nullable
     @Override
@@ -53,17 +52,15 @@ public class BukkitBlockRegistry extends BundledBlockRegistry {
         if (mat == null) {
             return new PassthroughBlockMaterial(null);
         }
-        return materialMap.computeIfAbsent(mat, material -> new BukkitBlockMaterial(BukkitBlockRegistry.super.getMaterial(blockType), material));
+        if (materialMap == null) {
+            materialMap = new BukkitBlockMaterial[Material.values().length];
         }
-
+        BukkitBlockMaterial result = materialMap[mat.ordinal()];
-    @Nullable
+        if (result == null) {
-    @Override
+            result = new BukkitBlockMaterial(BukkitBlockRegistry.super.getMaterial(blockType), mat);
-    public Map<String, ? extends Property<?>> getProperties(BlockType blockType) {
+            materialMap[mat.ordinal()] = result;
-        BukkitImplAdapter adapter = WorldEditPlugin.getInstance().getBukkitImplAdapter();
-        if (adapter != null) {
-            return adapter.getProperties(blockType);
         }
-        return super.getProperties(blockType);
+        return result;
     }
 
     @Nullable
@@ -76,6 +73,7 @@ public class BukkitBlockRegistry extends BundledBlockRegistry {
         }
         return super.getMaterial(state);
     }
+
     @Override
     public OptionalInt getInternalBlockStateId(BlockState state) {
         if (WorldEditPlugin.getInstance().getBukkitImplAdapter() != null) {
@@ -83,6 +81,15 @@ public class BukkitBlockRegistry extends BundledBlockRegistry {
         }
         return OptionalInt.empty();
     }
+    @Nullable
+    @Override
+    public Map<String, ? extends Property<?>> getProperties(BlockType blockType) {
+        BukkitImplAdapter adapter = WorldEditPlugin.getInstance().getBukkitImplAdapter();
+        if (adapter != null) {
+            return adapter.getProperties(blockType);
+        }
+        return super.getProperties(blockType);
+    }
 
     public static class BukkitBlockMaterial extends PassthroughBlockMaterial {